CN218190208U

CN218190208U - Feeding and screening device of pulverizer

Info

Publication number: CN218190208U
Application number: CN202222643626.7U
Authority: CN
Inventors: 陈曦; 杨晓; 黄晶; 赵彤
Original assignee: Wuhan Twink Life Health Industry Co ltd
Current assignee: Wuhan Twink Life Health Industry Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-01-03
Anticipated expiration: 2032-10-09

Abstract

The utility model discloses a rubbing crusher feed sieving mechanism, through the high-speed rotation of the buncher drive sieve section of thick bamboo that sets up, filter the thin material through the first screen cloth on the sieve section of thick bamboo and get into thin material district, can filter in advance and obtain thinner raw materials from thin material export collection or butt joint entering follow-up crushing stage, then utilize the rotatory baffle that sets up to link up the blanking mouth under the drive of rotating electrical machines and filter the raw materials thicker relatively through the second screen cloth that sets up again, thicker raw materials get into and collect or dock rubbing crusher in the thick material export behind the thick material district, what not conform to the particle diameter requirement then stays in the sieve section of thick bamboo, the efficiency of screening is carried out before smashing to the raw materials of different particle diameters from this has improved, be convenient for improve follow-up raw materials crushing quality and efficiency.

Description

Feeding and screening device of pulverizer

Technical Field

The utility model relates to a food production processing technology field. More specifically, the utility model relates to a rubbing crusher feed sieving mechanism.

Background

In powder class food production course of working, need handle various raw materialss, wherein involve smashing, the screening of particle diameter, so that better mix in the follow-up processing step, before the raw materials gets into the rubbing crusher and smashes, through carrying out preliminary particle diameter screening process to the raw materials, the better crushing raw materials of rubbing crusher of being convenient for, improve crushing efficiency, but at present, the screening to the raw materials adopts multilayer screen cloth setting more, vibrating screen avoids raw materials accumulation card on the screen cloth, the raw materials on different layers of screen cloth just can collect respectively after whole screening process is accomplished and handle the reselection and get into in the rubbing crusher, especially the finest raw materials are at the bottom, just can collect to the end, this kind of screening mode inefficiency is also not flexible enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rubbing crusher feed sieving mechanism to solve the technical problem that the raw materials particle diameter sieving mechanism among the prior art's screening efficiency is low.

In order to realize the purposes and other advantages according to the utility model, a feeding and screening device of a grinder is provided, which comprises a screen cylinder vertically arranged, the side wall of the screen cylinder is formed by surrounding a first screen, the outer side of the first screen is surrounded with a fine material area, a slide way is obliquely arranged below the fine material area, the lower end of the slide way is provided with a fine material outlet, the top of the first screen is detachably covered and connected with a cover plate, the bottom of the first screen is covered and connected with a bottom plate, one side of the bottom plate close to the first screen is provided with vertically communicated blanking ports at equal intervals along the circumferential direction, a speed regulating motor is arranged below the bottom plate, the output shaft of the speed regulating motor is vertically upwards arranged and is connected with the bottom center of the bottom plate, the top central point of bottom plate puts and is provided with the mounting groove, the mounting groove internal fixation has the rotating electrical machines, the vertical upwards setting of rotating electrical machines's output shaft, the top surface laminating of bottom plate is provided with rotating baffle, rotating baffle sets up and the bottom center is connected on rotating electrical machines's output shaft with the internal diameter cooperation of first screen cloth, it is equipped with the vertical logical mouth that link up to correspond blanking mouth spaced apart on the rotating baffle, form the striker plate between the adjacent logical mouth, the size of striker plate slightly is greater than the size of blanking mouth, with cover the blanking mouth completely, the below of bottom plate covers and is provided with round second screen cloth, the aperture of second screen cloth is greater than the aperture of first screen cloth, the below of second screen cloth is provided with the coarse fodder district, the bottom slope in coarse fodder district sets up and the lower extreme is provided with the coarse fodder export.

Preferably, the blanking opening of the bottom plate is provided with a cutting blade at an end facing the rotation direction.

Preferably, the chute is arranged around the outer side of the coarse material area and is of a spiral structure as a whole.

Preferably, one side of the bottom of the coarse material area, which is close to the coarse material outlet, is provided with a third screen, a collecting box is arranged under the third screen, and the coarse material outlet is provided with an opening and closing door which moves vertically.

Preferably, the cover plate is a transparent material plate.

The utility model discloses at least, include following beneficial effect: the utility model discloses a rubbing crusher feed sieving mechanism drives a sieve section of thick bamboo high-speed rotation through the buncher that sets up earlier, filter the thin material through the first screen cloth on the sieve section of thick bamboo and get into the thin material district, can filter in advance and obtain thinner raw materials from the thin material export and collect or dock the follow-up crushing stage that gets into, then utilize the rotatory baffle that sets up to link up the blanking mouth under the drive of rotating electrical machines and filter the raw materials thicker relatively through the second screen cloth that sets up again, thicker raw materials get into and collect or dock rubbing crusher in the thick material export after the thick material district, what not conform to the particle size requirement then stays in the sieve section of thick bamboo, the efficiency of screening before smashing is improved to the raw materials of different particle sizes from this, be convenient for improve follow-up raw materials crushing quality and efficiency.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a front view structural diagram of the present invention;

FIG. 2 is a top view of the screen cylinder of the present invention;

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

fig. 4 is a top view structural diagram of the rotating baffle of the present invention.

The specification reference numbers indicate: 1. sieve section of thick bamboo, 2, first screen cloth, 3, fine material district, 4, slide, 5, fine material export, 6, apron, 7, bottom plate, 8, blanking mouth, 9, buncher, 10, mounting groove, 11, rotating electrical machines, 12, rotating baffle, 13, logical mouth, 14, striker plate, 15, second screen cloth, 16, coarse fodder district, 17, coarse fodder export, 18, cutting blade, 19, third screen cloth, 20, switch door, 21, collection box.

Detailed Description

The present invention is described in further detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description.

In the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in figures 1-4, the feeding and screening device of the pulverizer of the present invention comprises a screen cylinder 1 vertically disposed, the side wall of the screen cylinder 1 is formed by surrounding a first screen 2, the outer side of the first screen 2 is surrounded by a fine material area 3, a slideway 4 is obliquely disposed below the fine material area 3, the lower end of the slideway 4 is provided with a fine material outlet 5, the top of the first screen 2 is detachably covered and connected with a cover plate 6, the bottom of the first screen 2 is covered and connected with a bottom plate 7, one side of the bottom plate 7 close to the first screen 2 is provided with vertically through blanking ports 8 at equal intervals along the circumferential direction, a speed regulating motor 9 is disposed below the bottom plate 7, the output shaft of the speed regulating motor 9 is vertically upward disposed and connected with the bottom center of the bottom plate 7, the top center of the bottom plate 7 is provided with a mounting groove 10, there is rotating electrical machines 11 fixed in mounting groove 10, the vertical upwards setting of output shaft of rotating electrical machines 11, the top surface laminating of bottom plate 7 is provided with rotating baffle 12, rotating baffle 12 sets up and the bottom center is connected on rotating electrical machines 11's output shaft with first screen cloth 2's internal diameter cooperation, rotating baffle 12 is last to offer vertical logical material mouth 13 that link up corresponding blanking mouth 8 interval, form striker plate 14 between the adjacent material mouth 13 that leads to, striker plate 14's size slightly is greater than blanking mouth 8's size, in order to cover blanking mouth 8 completely, the below of bottom plate 7 covers and is provided with round second screen cloth 15, the aperture of second screen cloth 15 is greater than first screen cloth 2's aperture, the below of second screen cloth 15 is provided with coarse fodder district 16, the bottom slope of coarse fodder district 16 sets up and the lower extreme is provided with coarse fodder export 17.

The bottom of the device is provided with a supporting part, so that a screen cylinder 1, a fine material area 3 and a coarse material area 16 are positioned at proper heights, a subsequent feeding grinder is convenient, the inner walls of the fine material area 3 and the coarse material area 16 are smooth, raw materials can roll conveniently, the apertures of a first screen 2 and a second screen 15 are selected according to the particle size screening requirement, the first screen 2 can screen particles of a finer grade than the second screen 15, a cover plate 6 is detachably connected to the top surface of the first screen 2, the upper part of the first screen 2 is convenient to open and seal, the first screen 2, a bottom plate 7 and the cover plate 6 jointly form a relatively closed cylindrical feeding cavity, the fine material area 3 is completely wrapped outside the first screen 2 and used for collecting the raw materials of a finer grade, an adjustable speed motor 9 can rotate at a certain speed and can adjust different rotating speeds, most motors in the prior art of the adjustable speed motor 9 have the capability which is not repeated herein, selecting a proper rotating speed to enable the raw materials to be far away from the center of the screen cylinder 1 under the action of centrifugal force and thrown towards the first screen 2, installing and connecting an output shaft of an adjustable speed motor 9 and the center of the bottom of a bottom plate 7, preferably, the connecting mode is detachable and fixedly connected, the whole screen cylinder 1 is driven to rotate through the adjustable speed motor 9, a rotating motor 11 is fixed in an installing groove 10 of the bottom plate 7, a rotating baffle plate 12 is horizontally arranged, the center of the bottom of the rotating baffle plate is fixedly connected with the output shaft of the rotating motor 11, the bottom surface of the rotating baffle plate 12 and the top surface of the bottom plate 7 are arranged in a clinging mode, contact surfaces of the rotating baffle plate and the top surface of the bottom plate 7 are smooth, the rotating baffle plate can rotate relative to each other, each baffle plate 14 on the rotating baffle plate 12 can completely cover and shield one blanking port 8 at the beginning, the bottom of a feeding cavity is completely sealed, at the moment, each through port 13 is positioned on the surface of a non-blanking port 8 of the bottom plate 7, the rotating baffle plate 12 along with the bottom plate 7, the rotating electrical machine 11 rotates together.

When raw materials are screened, a proper amount of raw materials are poured into a screen cylinder 1 and then a cover plate 6 is covered, a speed regulating motor 9 is started to rotate at a set speed, the raw materials are thrown to a first screen 2 under the action of centrifugal force during rotation, the principle similar to the spin-drying principle of a drum washing machine is adopted, the raw materials with the particle size smaller than the aperture of the first screen 2 penetrate through the first screen 2 to enter a fine material area 3, the raw materials touch the inner wall of the fine material area 3 or directly fall onto a slide 4 under the action of gravity, the raw materials slide to a fine material outlet 5 from the slide 4 and then butt joint with a grinder, the rotation speed is enough, more fine materials can be thrown out, the speed regulating motor 9 stops rotating after rotating for a certain time, the rotating motor 11 is started to rotate for a specific angle, a material passing port 13 is rotated above a material dropping port 8, then the speed regulating motor 9 can be continuously started to rotate at a certain speed, the raw materials at a thicker stage enter a coarse material area 16 through a second screen 15, finally the coarse material outlet 17 is butted with the grinder, and the material stopping rotation of the motor 9 after a batch screening is finished, the batch screening, the same rotation angle, the rotating angle is ensured, and the material dropping port 8 is covered again.

The utility model discloses a rubbing crusher feed sieving mechanism drives a sieve section of thick bamboo 1 high-speed rotation through the buncher 9 that sets up earlier, filter the thin material through the first screen cloth 2 on a sieve section of thick bamboo 1 and get into thin material district 3, can filter in advance and obtain thinner raw materials from thin material export 5 collection or the follow-up crushing stage of butt joint entering, then utilize the rotating barrier 12 that sets up to link up blanking mouth 8 rethread second screen cloth 15 that sets up under the drive of rotating electrical machines 11 to filter thick raw materials relatively, thick raw materials get into thick material district 16 after collect or dock rubbing crusher in thick material export 17, what not conform to the particle size requirement then stays in a sieve section of thick bamboo 1, the efficiency of screening is carried out before smashing to the raw materials of different particle sizes has been improved from this, be convenient for improve subsequent raw materials crushing quality and efficiency.

In another solution, as shown in fig. 2 and 3, the blanking opening 8 of the bottom plate 7 is provided with a cutting blade 18 at one end facing the rotation direction.

By arranging the cutting blades 18, cutting and impacting of raw materials are formed in the rotating process of the bottom plate 7, so that thicker raw materials are dispersed into thinner raw materials, and the utilization rate and the treatment efficiency of the raw materials are improved.

In another technical solution, as shown in fig. 1, the chute 4 is arranged around the outer side of the coarse material area 16 and has a spiral structure as a whole.

The spiral slideway 4 is arranged to facilitate the collection and rolling of raw materials, the slideway 4 is arranged around the outer side of the coarse material area 16, all the blanking materials around the lower part of the whole area of the fine material area 3 outside the screen drum 1 are gathered, and the fine material is collected from the fine material outlet 5 in a unified manner, so that the collection efficiency is improved.

In another technical solution, as shown in fig. 1, a third screen 19 is disposed at a side of a bottom of the coarse material area 16 close to the coarse material outlet 17, a collecting box 21 is disposed right below the third screen 19, and an opening and closing door 20 that moves vertically is disposed at the coarse material outlet 17.

Through setting up switch door 20, make switch door 20 move up earlier in the screening process, wait that the raw materials through second screen cloth 15 reach switch door 20 before back, partial raw materials collide switch door 20 or pass through third screen cloth 19 when rolling before switch door 20, the aperture of third screen cloth 19 sets up according to the screening requirement, can set up to be the same with first screen cloth 2 aperture, the secondary filters the less part remaining thinner raw materials, later opens switch door 20 again, make the more even thicker raw materials of specification go out from coarse fodder export 17, the thinner raw materials after being screened by third screen cloth 19 then get into and collect in collecting box 21.

In another technical solution, as shown in fig. 1, the cover plate 6 is a transparent plate.

Through setting up apron 6 into the transparent material board, be convenient for observe the condition in a sieve section of thick bamboo 1, carry out visual management.

While the embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and illustrated embodiments, but is capable of being applied in all kinds of fields adapted to the invention, and further modifications may readily be made by those skilled in the art, and the invention is therefore not limited to the details given herein and to the drawings described herein, without departing from the general concept defined by the appended claims and their equivalents.

Claims

1. Feeding and screening device of pulverizer, which is characterized in that, the device comprises a screen cylinder vertically arranged, the side wall of the screen cylinder is formed by surrounding a first screen, the outer side of the first screen surrounds a fine material area, a slide is obliquely arranged below the fine material area, the lower end of the slide is provided with a fine material outlet, a detachable top cover of the first screen is connected with a cover plate, the bottom cover of the first screen is connected with a bottom plate, one side of the bottom plate close to the first screen is provided with a vertically through blanking port at equal intervals along the circumferential direction, an adjustable speed motor is arranged below the bottom plate, the output shaft of the adjustable speed motor is vertically upwards arranged and is connected with the bottom center of the bottom plate, the top center of the bottom plate is provided with a mounting groove, a rotating motor is fixed in the mounting groove, the output shaft of the rotating motor is vertically upwards arranged, the top surface of the bottom plate is attached with a rotating baffle plate, the rotating baffle plate is matched with the inner diameter of the first screen and is connected with the bottom center of the rotating motor, through ports which are vertically through, a blocking plate which is arranged at intervals corresponding to the blanking port, a blocking plate is formed between adjacent through blocking plate, the size of the blocking plate is slightly larger than the size of the blanking port, the lower end of a coarse material area of a second screen is arranged below the inclined coarse material area, and is arranged on the second screen.

2. A shredder feed screening apparatus according to claim 1, wherein the blanking opening of the bottom plate is provided with a cutting blade at an end facing in the direction of rotation.

3. A pulverizer feed screening apparatus as defined in claim 1 wherein said chute is disposed around the outside of said coarse material zone and is of generally helical configuration.

4. A crusher feed screening apparatus as in claim 1, wherein a third screen is provided at the bottom of the coarse material area near the coarse material outlet, a collecting box is provided directly below the third screen, and an opening and closing door moving vertically is provided at the coarse material outlet.

5. A mill feed screen apparatus as in claim 1 wherein the cover plate is a sheet of transparent material.