CN112642695A - A screening plant for wheat - Google Patents
A screening plant for wheat Download PDFInfo
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- CN112642695A CN112642695A CN202011258097.8A CN202011258097A CN112642695A CN 112642695 A CN112642695 A CN 112642695A CN 202011258097 A CN202011258097 A CN 202011258097A CN 112642695 A CN112642695 A CN 112642695A
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- China
- Prior art keywords
- screening
- fixed box
- rod
- box
- wheat
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/02—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft
- B02C13/06—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft with beaters rigidly connected to the rotor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Food Science & Technology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to a screening device for wheat, which comprises a fixed box, a screening mechanism and a drying mechanism, wherein the screening mechanism comprises a stirring component, a feeding component and a screening component, the drying mechanism comprises an air pump, an air suction pipe, an air outlet pipe, an electric heating rod, a first filter screen, a baffle plate, a recycling box and a blowing unit, the screening device for wheat realizes dispersion, vibration and screening on a main body through the screening mechanism, realizes air outlet on a feeding pipe through the air outlet pipe, realizes drying of the main body in the feeding pipe, realizes separation of impurities and the main body through the air suction pipe, realizes secondary screening, improves the screening effect, accelerates the flow velocity of air in the fixed box through the blowing unit, thereby improving the drying efficiency of the main body, and ensures that the air in the fixed box is in a sealed state due to the sealing of a feeding hole through a cover plate, thereby not only improving the drying efficiency, meanwhile, the hot air can be recycled, and the practicability of use is improved.
Description
Technical Field
The invention relates in particular to a screening device for wheat.
Background
Wheat is a general name of wheat plants, is monocotyledon, is a gramineous plant widely planted around the world, wheat caryopsis is one staple food of human beings, after wheat is harvested, impurities and impurities remained in the wheat need to be screened, but the existing wheat screening device has an unsatisfactory screening effect due to different sizes of the impurities, and the wheat adheres to each other due to the humidity of the weather, so that the screening efficiency is influenced, and the quality of the wheat is reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, a screening device for wheat is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a screening device for wheat comprises a fixed box, a screening mechanism and a drying mechanism, wherein the fixed box is vertically arranged, a feed inlet is formed in the top end of the fixed box, and the screening mechanism and the drying mechanism are both arranged in the fixed box;
the screening mechanism comprises a stirring assembly, a feeding assembly and a screening assembly, the feeding assembly is arranged at the top end inside the fixed box, the feeding assembly comprises a feeding pipe and a connecting plate, the fixed box is cylindrical, the connecting plate is annular, the feeding pipe is vertically arranged in the fixed box, the connecting plate is arranged between the top end of the feeding pipe and the inner wall of the top end of the fixed box, the surface of the connecting plate is obliquely arranged from an inner ring to an outer ring towards the direction of the feeding port, one end of the connecting plate is connected with the top end of the feeding pipe, and the other end of the connecting plate is connected with the inner wall of the fixed box;
the screening assembly is arranged below the connecting pipe and comprises a screening net and a vibration unit, the screening net is horizontally arranged in the fixed box, the vibration unit is arranged on the screening net, the vibration unit comprises a piston cylinder, a piston rod, a propping ball, a spring and a vibration rod, the piston cylinder is vertically arranged on the screening net, the propping ball is arranged above the piston cylinder, the piston rod is arranged between the piston cylinder and the propping ball, the spring is vertically arranged in the piston cylinder, one end of the piston rod is connected with the propping ball, the other end of the piston rod extends into the piston cylinder and is connected with the top end of the spring, the bottom end of the spring is connected with the bottom end inside the piston cylinder, the vibration rod is vertically arranged at the bottom end of the inner wall of the piston cylinder, the top end of the vibration rod is propped against the piston rod, and the spring is sleeved on the vibration rod;
the stirring assembly is arranged between the feeding pipe and the abutting ball, the stirring assembly comprises a motor, a rotating rod and a stirring plate, the motor is horizontally arranged on one side of the fixed box, the rotating rod is horizontally arranged in the fixed box, the rotating rod is installed on the motor through the fixed box, the number of the stirring plates is multiple, the stirring plates are uniformly arranged along the circumferential direction of the outer ring of the rotating rod, and the feeding pipe is positioned right above the stirring plates;
the drying mechanism is arranged below the sieving net and comprises an air pump, an air suction pipe, an air outlet pipe, an electric heating rod, a first filter screen, a baffle, a recovery box and a blowing unit, the air pump is arranged on one side of the bottom end of the fixed box, the recovery box is arranged at the bottom end inside the fixed box, the baffle is arranged below the sieving net and is positioned right above the recovery box, the baffle is obliquely arranged towards the bottom end of the fixed box, the electric heating rod is vertically arranged below the baffle and is fixedly connected with the baffle, the first filter screen is arranged on one side of the electric heating rod away from the air pump and is fixedly connected with the baffle, the first filter screen and the electric heating rod are both positioned above the recovery box, the air suction pipe is arranged between the electric heating rod and the air pump, one end of the air suction pipe is positioned in the fixed box, and the other end of the air suction pipe is communicated with the air pump, the air outlet pipe is arranged on one side of the feeding pipe, one end of the air outlet pipe is communicated with the air pump through the fixing box, and the other end of the air outlet pipe is communicated with one side of the bottom end of the feeding pipe;
the utility model discloses a screen mesh screen, including the air outlet pipe, the unit of blowing sets up in the air outlet pipe, the unit of blowing is located the top of screening net, the unit of blowing includes bearing frame, fan, connecting rod and paddle, the fan sets up the below at the air outlet pipe, the paddle sets up in the air outlet pipe, the connecting rod sets up between paddle and fan, the bearing frame sets up the one side at the air outlet pipe, the one end and the paddle of connecting rod are connected, the other end of connecting rod passes through the bearing frame and is connected with the fan, the connecting rod is connected with the fan transmission, the.
For better abutting against the abutting ball, one end of the stirring plate, which is far away from the rotating rod, is provided with an arc-shaped chamfer.
For better sliding, the surface of the connecting plate is a mirror surface.
For convenience, the motor is a servo motor.
In order to better realize heat preservation, a cover plate is arranged on the feeding hole, and a rubber pad is arranged on the cover plate.
In order to prevent the main body from entering the air outlet pipe, a second filter screen is arranged at one end, far away from the air pump, of the air outlet pipe.
In order to facilitate storage, a storage box is arranged at the bottom end inside the fixed box and is positioned on one side, away from the air pump, of the recovery box.
In order to fix the motor, the motor is connected with the fixed box through a support rod.
In order to realize the protection of the motor and prolong the service life, a gap is arranged between the motor and the fixed box.
In order to improve the sealing performance and achieve better recovery, sealing grease is coated in the piston cylinder.
The invention has the advantages that the screening device for wheat realizes screening against the main body through the screening mechanism, compared with the existing screening mechanism, the screening mechanism realizes the control of the feeding speed of the main body through the feeding component, realizes the dispersion of the main body through the stirring component, leads the main body to be better heated, realizes the screening of the main body through the screening component, realizes the air blowing of the main body in the feeding pipe through the air outlet pipe, realizes the drying of the main body of the feeding pipe, realizes the separation of impurities and the main body through the air suction pipe, realizes the secondary screening, improves the screening effect, accelerates the flow velocity of the air in the fixed box through the air blowing unit, thereby improving the drying efficiency of the main body, simultaneously, leads the air in the fixed box to be in a sealing state due to the sealing of the feeding port through the cover plate, not only can improve the drying efficiency, but also can realize the recycling of hot air, the practicability of use is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of a screening device for wheat of the present invention;
FIG. 2 is a schematic view of the construction of the screening device for wheat of the present invention;
FIG. 3 is a schematic view of the construction of the vibrating unit of the wheat screening device of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 1;
FIG. 5 is an enlarged view of portion B of FIG. 1;
in the figure: 1. the device comprises a fixed box, 2 parts of a feeding pipe, 3 parts of a connecting plate, 4 parts of a screening net, 5 parts of a piston cylinder, 6 parts of a piston rod, 7 parts of a support ball, 8 parts of a spring, 9 parts of a vibration rod, 10 parts of a motor, 11 parts of a rotating rod, 12 parts of a stirring plate, 13 parts of an air pump, 14 parts of an air suction pipe, 15 parts of an air outlet pipe, 16 parts of an electric heating rod, 17 parts of a first filter screen, 18 parts of a baffle plate, 19 parts of a recovery box, 20 parts of a bearing seat, 21 parts of a fan, 22 parts of a connecting rod, 23 parts of a blade, 24 parts of a second filter screen.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1-3, a screening device for wheat comprises a fixed box 1, a screening mechanism and a drying mechanism, wherein the fixed box 1 is vertically arranged, a feeding hole is formed in the top end of the fixed box 1, and the screening mechanism and the drying mechanism are both arranged in the fixed box 1;
the screening mechanism comprises a stirring assembly, a feeding assembly and a screening assembly, the feeding assembly is arranged at the top end inside the fixed box 1, the feeding assembly comprises a feeding pipe 2 and a connecting plate 3, the fixed box 1 is cylindrical, the connecting plate 3 is annular, the feeding pipe 2 is vertically arranged in the fixed box 1, the connecting plate 3 is arranged between the top end of the feeding pipe 2 and the inner wall of the top end of the fixed box 1, the plate surface of the connecting plate 3 is obliquely arranged from an inner ring to an outer ring towards the direction of a feeding port, one end of the connecting plate 3 is connected with the top end of the feeding pipe 2, and the other end of the connecting plate 3 is connected with the inner wall of the fixed box 1;
the screening assembly is arranged below the connecting pipe and comprises a screening net 4 and a vibration unit, the screening net 4 is horizontally arranged in the fixed box 1, the vibration unit is arranged on the screening net 4, the vibration unit comprises a piston cylinder 5, a piston rod 6, a supporting ball 7, a spring 8 and a vibration rod 9, the piston cylinder 5 is vertically arranged on the screening net 4, the supporting ball 7 is arranged above the piston cylinder 5, the piston rod 6 is arranged between the piston cylinder 5 and the supporting ball 7, the spring 8 is vertically arranged in the piston cylinder 5, one end of the piston rod 6 is connected with the supporting ball 7, the other end of the piston rod 6 extends into the piston cylinder 5 to be connected with the top end of the spring 8, the bottom end of the spring 8 is connected with the bottom end inside the piston cylinder 5, the vibration rod 9 is vertically arranged at the bottom end of the inner wall of the piston cylinder 5, and the top end of the vibration rod 9 is supported against the piston rod 6, the spring 8 is sleeved on the vibration rod 9;
the stirring subassembly sets up at inlet pipe 2 and supports and lean on between the ball 7, the stirring subassembly includes motor 10, bull stick 11 and stirring board 12, the 10 level of motor sets up the one side at fixed case 1, 11 levels of bull stick set up in fixed case 1, bull stick 11 is installed on motor 10 through fixed case 1, stirring board 12 has a plurality of each, and each stirring board 12 evenly sets up along the outer lane circumference of bull stick 11, inlet pipe 2 is located stirring board 12 directly over.
The motor 10 drives the rotating rod 11 to rotate, the rotating rod 11 drives the stirring plate 12 to rotate, the stirring plate 12 is abutted against the abutting ball 7, the abutting ball 7 moves towards the direction far away from the rotating rod 11, the abutting ball 7 drives the piston rod 6 to move, at the moment, the spring 8 is in a compression state, meanwhile, the piston rod 6 impacts the vibration rod 9, micro vibration to the filter screen is realized through impact force, the filter screen is prevented from being blocked, meanwhile, the screening net 4 is better for screening the main body, the diameter of the feeding pipe 2 is smaller, so that the main body slowly falls onto the stirring plate 12 through the feeding pipe 2, dispersion to the main body is realized through rotation of the stirring plate 12, the contact area of the main body and air is increased, and the drying effect is improved,
as shown in fig. 4-5, the drying mechanism is disposed below the sieving net 4, the drying mechanism includes an air pump 13, an air suction pipe 14, an air outlet pipe 15, an electric heating rod 16, a first filter screen 17, a baffle 18, a recycling box 19 and an air blowing unit, the air pump 13 is disposed on one side of the bottom end of the fixing box 1, the recycling box 19 is disposed at the bottom end of the inside of the fixing box 1, the baffle 18 is disposed below the sieving net 4, the baffle 18 is located right above the recycling box 19, the baffle 18 is inclined toward the bottom end of the fixing box 1, the electric heating rod 16 is vertically disposed below the baffle 18, the electric heating rod 16 is fixedly connected with the baffle 18, the first filter screen 17 is disposed on one side of the electric heating rod 16 far from the air pump 13, the first filter screen 17 is fixedly connected with the baffle 18, the first filter screen 17 and the electric heating rod 16 are both located above the recycling box 19, the air suction pipe 14 is disposed between the electric heating rods 16 and 13, one end of the air suction pipe 14 is positioned in the fixed box 1, the other end of the air suction pipe 14 is communicated with the air pump 13, the air outlet pipe 15 is arranged on one side of the feeding pipe 2, one end of the air outlet pipe 15 is communicated with the air pump 13 through the fixed box 1, and the other end of the air outlet pipe 15 is communicated with one side of the bottom end of the feeding pipe 2;
the blowing unit is arranged in the air outlet pipe 15 and located above the sieving net 4, the blowing unit comprises a bearing seat 20, a fan 21, a connecting rod 22 and blades 23, the fan 21 is arranged below the air outlet pipe 15, the blades 23 are arranged in the air outlet pipe 15, the connecting rod 22 is arranged between the blades 23 and the fan 21, the bearing seat 20 is arranged on one side of the air outlet pipe 15, one end of the connecting rod 22 is connected with the blades 23, the other end of the connecting rod 22 is connected with the fan 21 through the bearing seat 20, the connecting rod 22 is in transmission connection with the fan 21, and the connecting rod 22 is in transmission connection with the blades 23.
The heating of the inside of the fixed box 1 is realized through the heating rod, the blocking of impurities is realized through the first filter screen 17, the secondary adhesion of the impurities to the main body is prevented, the air pump 13 operates to enable the air suction pipe 14 to absorb hot air emitted by electric heating, and meanwhile, the dust absorption of the main body falling from the screening net 4 is realized, the better screening of the main body is realized, the impurities absorbed here can drop in the recycling box 19 due to the blocking of the first filter screen 17, so that the collection of the impurities is realized, the hot air blows the main body in the feeding pipe 2 through the air outlet pipe 15, the drying of the main body is realized, the main body is prevented from being adhered together due to moisture, and the moisture main body easily causes the mildewing of the main body, the operation of the blowing mechanism is realized through the flow rate in the air outlet pipe 15, the blowing of the fan 21 to the fixed box 1 is realized, and the air flow rate, thereby improving the drying effect.
For better abutment with the abutment ball 7, the end of the stirring plate 12 remote from the rotating rod 11 is provided with an arc-shaped chamfer.
The arc-shaped chamfer can prevent the stirring plate 12 from being stuck with the abutting ball 7, so that the stirring plate 12 can better abut against the abutting ball 7.
For better sliding, the surface of the connecting plate 3 is a mirror surface.
The friction force of the surface is reduced, so that the main body can better slide.
For convenience, the motor 10 is a servo motor.
The servo motor can realize free adjustment of speed, and is more convenient to use.
In order to better realize heat preservation, a cover plate 25 is arranged on the feeding hole, and a rubber pad is arranged on the cover plate 25.
The cover plate 25 functions to seal the stationary box 1, thereby preventing heat loss, and the rubber pad functions to improve sealing effect.
In order to prevent the main body from entering the air outlet pipe 15, the end of the air outlet pipe 15 away from the air pump 13 is provided with a second filter 24.
The second screen 24 is used to prevent the main body from being blocked in the feed outlet pipe 15.
For the convenience of storage, a storage box 26 is disposed at the bottom end inside the fixed box 1, and the storage box 26 is located at the side of the recovery box 19 away from the air pump 13.
The receiving box 26 is positioned to facilitate collection of the body.
In order to fix the motor 10, the motor 10 is connected to the stationary box 1 by a strut.
The support rod has the function of supporting the motor 10, so that the motor 10 can run more stably.
In order to protect the motor 10 and prolong the service life, a gap is arranged between the motor 10 and the fixed box 1.
Reducing the temperature transfer and thereby increasing the useful life of the motor 10.
In order to improve the sealing and to achieve a better return, the piston cylinder 5 is internally coated with a sealing grease.
The sealing grease has the function of reducing the clearance between the piston rod 6 and the piston cylinder 5, thereby improving the sealing effect
The electric heating rod 16 is connected with a power supply, when the main body needs to be dried and screened, the motor 10 is firstly operated, the motor 10 drives the rotating rod 11 to rotate, the rotating rod 11 drives the stirring plate 12 to rotate, the stirring plate 12 drives the vibration unit to realize the vibration of the screening net 4, and the air pump 13 is simultaneously operated, so that the air suction pipe 14 realizes the absorption of hot air emitted by electric heating, and simultaneously realizes the dust absorption of the main body falling from the screening net 4, thereby realizing the better screening of the main body, the absorbed impurities can fall into the recycling box 19 because of the blockage of the first filter screen 17, thereby realizing the collection of the impurities, the hot air realizes the drying of the main body in the feeding pipe 2 through the air outlet pipe 15, the main body is blown, the main body is prevented from being adhered together due to humidity, the damp main body is easy to cause mildewing of the main body, and the rotation of the blades 23 is realized through the flow speed in the air outlet pipe 15, paddle 23 drive connecting rod 22 rotates, connecting rod 22 drive fan 21 rotates, the fan is to blowing in the fixed box 1, at this moment open apron 25, pour the main part into in fixed box 1 through the feed inlet, make the main part drop on connecting plate 3, then drop on stirring board 12 through the feed inlet, realize the break up to the main part through stirring board 12, make the better and air contact of main part, then drop on screening net 4, inhale through screening net 4 and breathing pipe 14 and realize the screening many times to the main part, improve the screening effect, then drop in containing box 26.
Here realize the sealed to fixed case 1 through apron 25 to prevent the outflow of steam, realize improving the stoving effect to the cyclic utilization of steam, not only realize the stoving to the main part through stoving mechanism, still realize the screening to the main part simultaneously, improved the practicality of use, it is right to realize simultaneously.
Compared with the prior art, the screening device for wheat realizes screening towards the main body through the screening mechanism, compared with the existing screening mechanism, the screening mechanism realizes control on the feeding speed of the main body through the feeding component, realizes dispersion on the main body through the stirring component, enables the main body to be better heated, realizes screening on the main body through the screening component, realizes blowing on the main body in the feeding pipe 2 through the air outlet pipe 15, realizes drying on the main body of the feeding pipe 2, realizes separation on impurities and the main body through the air suction pipe 14, realizes secondary screening, improves the screening effect, accelerates the flow rate of air in the fixed box 1 through the blowing unit, thereby improving the drying efficiency of the main body, simultaneously, because the feeding port realizes sealing through the cover plate 25, the air in the fixed box 1 is in a sealing state, not only can improve the drying efficiency, but also can realize recycling of hot air, the practicability of use is improved.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The wheat screening device is characterized by comprising a fixed box (1), a screening mechanism and a drying mechanism, wherein the fixed box (1) is vertically arranged, a feeding hole is formed in the top end of the fixed box (1), and the screening mechanism and the drying mechanism are both arranged in the fixed box (1);
the screening mechanism comprises a stirring assembly, a feeding assembly and a screening assembly, the feeding assembly is arranged at the top end inside the fixed box (1), the feeding assembly comprises a feeding pipe (2) and a connecting plate (3), the fixed box (1) is cylindrical, the connecting plate (3) is annular, the feeding pipe (2) is vertically arranged in the fixed box (1), the connecting plate (3) is arranged between the top end of the feeding pipe (2) and the inner wall of the top end of the fixed box (1), the surface of the connecting plate (3) is obliquely arranged from an inner ring to an outer ring towards the direction of the feeding hole, one end of the connecting plate (3) is connected with the top end of the feeding pipe (2), and the other end of the connecting plate (3) is connected with the inner wall of the fixed box (1);
the screening assembly is arranged below the connecting pipe and comprises a screening net (4) and a vibration unit, the screening net (4) is horizontally arranged in the fixed box (1), the vibration unit is arranged on the screening net (4), the vibration unit comprises a piston cylinder (5), a piston rod (6), a support ball (7), a spring (8) and a vibration rod (9), the piston cylinder (5) is vertically arranged on the screening net (4), the support ball (7) is arranged above the piston cylinder (5), the piston rod (6) is arranged between the piston cylinder (5) and the support ball (7), the spring (8) is vertically arranged in the piston cylinder (5), one end of the piston rod (6) is connected with the support ball (7), and the other end of the piston rod (6) extends into the piston cylinder (5) and is connected with the top end of the spring (8), the bottom end of the spring (8) is connected with the bottom end inside the piston cylinder (5), the vibration rod (9) is vertically arranged at the bottom end of the inner wall of the piston cylinder (5), the top end of the vibration rod (9) is abutted against the piston rod (6), and the spring (8) is sleeved on the vibration rod (9);
the stirring assembly is arranged between the feeding pipe (2) and the abutting ball (7), the stirring assembly comprises a motor (10), a rotating rod (11) and a stirring plate (12), the motor (10) is horizontally arranged on one side of the fixed box (1), the rotating rod (11) is horizontally arranged in the fixed box (1), the rotating rod (11) is installed on the motor (10) through the fixed box (1), the stirring plate (12) is provided with a plurality of stirring plates, each stirring plate (12) is uniformly arranged along the circumferential direction of the outer ring of the rotating rod (11), and the feeding pipe (2) is positioned right above the stirring plate (12);
the drying mechanism is arranged below the sieving net (4), the drying mechanism comprises an air pump (13), an air suction pipe (14), an air outlet pipe (15), an electric heating rod (16), a first filter screen (17), a baffle plate (18), a recovery box (19) and an air blowing unit, the air pump (13) is arranged on one side of the bottom end of the fixed box (1), the recovery box (19) is arranged at the bottom end inside the fixed box (1), the baffle plate (18) is arranged below the sieving net (4), the baffle plate (18) is positioned right above the recovery box (19), the baffle plate (18) is obliquely arranged towards the bottom end of the fixed box (1), the electric heating rod (16) is vertically arranged below the baffle plate (18), the electric heating rod (16) is fixedly connected with the baffle plate (18), the first filter screen (17) is arranged on one side of the electric heating rod (16) far away from the air pump (13), the first filter screen (17) is fixedly connected with the baffle (18), the first filter screen (17) and the electric heating rod (16) are both positioned above the recovery box (19), the air suction pipe (14) is arranged between the electric heating rod (16) and the air pump (13), one end of the air suction pipe (14) is positioned in the fixed box (1), the other end of the air suction pipe (14) is communicated with the air pump (13), the air outlet pipe (15) is arranged on one side of the feeding pipe (2), one end of the air outlet pipe (15) is communicated with the air pump (13) through the fixed box (1), and the other end of the air outlet pipe (15) is communicated with one side of the bottom end of the feeding pipe (2);
the utility model discloses a screen mesh screen, including blowing unit, fan (22), paddle (23), connecting rod (22), fan (22), connecting rod (22), fan seat (20), fan (21), connecting rod (22) and fan (23), blowing unit sets up in outlet duct (15), fan (21) set up in outlet duct (15) below, paddle (23) set up in outlet duct (15), connecting rod (22) set up between paddle (23) and fan (21), bearing seat (20) set up in one side of outlet duct (15), the one end and the paddle (23) of connecting rod (22) are connected, the other end of connecting rod (22) passes through bearing seat (20) and is connected with fan (21), connecting rod (22) are connected with fan (21) transmission, connecting rod (22) are connected with paddle (23) transmission.
2. A screening device for wheat, as claimed in claim 1, characterised in that the end of the stirring plate (12) remote from the turning bar (11) is provided with an arc-shaped chamfer.
3. A screening device for wheat, as claimed in claim 1, wherein the surface of the attachment plate (3) is specular.
4. A screening device for wheat, according to claim 1, characterized in that said motor (10) is a servomotor.
5. A screening device for wheat, according to claim 1, characterized in that a cover plate (25) is provided on said inlet opening, a rubber pad being provided on said cover plate (25).
6. A screening device for wheat, as claimed in claim 1, characterised in that the end of the outlet duct (15) remote from the air pump (13) is provided with a second screen (24).
7. A screening device for wheat, as claimed in claim 1, characterised in that the bottom end inside the stationary box (1) is provided with a receiving box (26), said receiving box (26) being located on the side of the recovery box (19) remote from the air pump (13).
8. A screening device for wheat, according to claim 1, characterized in that said motor (10) is connected to the stationary box (1) by means of struts.
9. A screening device for wheat, as claimed in claim 1, characterised in that a gap is provided between the motor (10) and the stationary box (1).
10. A screening device for wheat, according to claim 1, characterized in that said piston cylinder (5) is internally coated with a sealing grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011258097.8A CN112642695A (en) | 2020-11-12 | 2020-11-12 | A screening plant for wheat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011258097.8A CN112642695A (en) | 2020-11-12 | 2020-11-12 | A screening plant for wheat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112642695A true CN112642695A (en) | 2021-04-13 |
Family
ID=75347006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011258097.8A Withdrawn CN112642695A (en) | 2020-11-12 | 2020-11-12 | A screening plant for wheat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112642695A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113976293A (en) * | 2021-11-29 | 2022-01-28 | 单传军 | Wisdom is dustless crushing apparatus of straw for agricultural |
| CN115007456A (en) * | 2022-04-22 | 2022-09-06 | 穆国庆 | Screening machine capable of recycling materials and using method thereof |
-
2020
- 2020-11-12 CN CN202011258097.8A patent/CN112642695A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113976293A (en) * | 2021-11-29 | 2022-01-28 | 单传军 | Wisdom is dustless crushing apparatus of straw for agricultural |
| CN115007456A (en) * | 2022-04-22 | 2022-09-06 | 穆国庆 | Screening machine capable of recycling materials and using method thereof |
| CN115007456B (en) * | 2022-04-22 | 2023-08-22 | 西峡县龙翔冶金材料有限公司 | Screening machine capable of recycling materials and using method thereof |
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Application publication date: 20210413 |