CN116603730A - Novel multilayer self-balancing relaxation sieve - Google Patents

Novel multilayer self-balancing relaxation sieve Download PDF

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Publication number
CN116603730A
CN116603730A CN202310835105.8A CN202310835105A CN116603730A CN 116603730 A CN116603730 A CN 116603730A CN 202310835105 A CN202310835105 A CN 202310835105A CN 116603730 A CN116603730 A CN 116603730A
Authority
CN
China
Prior art keywords
screen basket
screen
basket
plate
sieve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202310835105.8A
Other languages
Chinese (zh)
Inventor
李洪喜
尹自信
金祖进
单修洋
张立锋
娄云利
赖雪刚
朱光
刘从虎
沈玲
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Suzhou University
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Suzhou University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou University filed Critical Suzhou University
Priority to CN202310835105.8A priority Critical patent/CN116603730A/en
Publication of CN116603730A publication Critical patent/CN116603730A/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling 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
    • B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • B07B1/44—Balancing devices
    • 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
    • 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
    • B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B07B1/4663—Multi-layer screening surfaces
    • 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
    • B07B1/48—Stretching devices for screens
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Combined Means For Separation Of Solids (AREA)

Abstract

The invention discloses a novel multilayer self-balancing relaxation sieve, which comprises a bottom frame and further comprises: an inner screen basket, an outer screen basket and an elastic screen surface; the inner screen basket is arranged on the bottom frame through a rubber spring, and an upper inner screen basket beam and a lower inner screen basket beam are arranged inside the inner screen basket; the two side surfaces of the outer screen basket are respectively connected with the two side surfaces of the inner screen basket through hanging plate spring components, an upper outer screen basket beam and a lower outer screen basket beam are arranged in the outer screen basket, and the inner screen basket beams and the outer screen basket beams are staggered along the direction of the screen surface; the elastic screen surface comprises an upper screen plate and a lower screen plate, and the upper screen plate and the lower screen plate are respectively fixed on an inner screen basket beam and an outer screen basket beam which are adjacent to each other at the upper layer and the lower layer. According to the invention, the variable-frequency driving motor drives the eccentric main shaft to rotate, the eccentric main shaft drives the driving plate spring to further drive the outer screen basket to perform forced reciprocating staggered motion relative to the inner screen basket, the amplitude is not influenced by the feeding amount, and the motion is stable and reliable.

Description

Novel multilayer self-balancing relaxation sieve
Technical Field
The invention relates to the technical field of material deep screening, in particular to a novel multilayer self-balancing relaxation screen.
Background
The design principle of the relaxation sieve is that a single drive generates double vibration, and one driver provides two vibrations: the eccentric shaft drives the inner and outer screen baskets to generate linear vibration, and the movement directions of the inner and outer screen baskets are always opposite. In the working process, the elastic screen plates fixed on the beams of the inner and outer screen baskets continuously stretch and stretch, so that the acceleration of 50g at most can be obtained, and therefore, fine-grain wet sticky materials can be well loosened and layered to pass through the screen, the screen holes are effectively prevented from being blocked, and the screening efficiency is greatly improved.
The existing relaxation sieve is generally driven by a flange vibration exciter to form a circular vibration track or driven by a seat vibration exciter to form a linear motion track. This design results in a single use environment for the relaxer screen and limited range of use. In actual production, exciting force is increased by adjusting an exciter, so that the main screen basket is forced to do linear reciprocating motion with larger amplitude. This approach, while achieving a certain effect, is not ideal. In addition, the existing relaxation screen has another disadvantage that the amplitude of the screen is reduced according to the increase of the incoming material quantity, and the relaxation effect is weakened.
Disclosure of Invention
The invention aims to provide a novel multi-layer self-balancing relaxation sieve with high efficiency and reliability and adjustable multiple parameters, which is suitable for classifying wet fine and sticky difficult-to-screen materials, realizes the upper and lower working areas of a single sieve machine to reduce material accumulation and reduce sieve surface abrasion, realizes the adjustment of the inclination angle of the sieve surface, the vibration frequency and the tension of the sieve surface, and shows stable amplitude no matter whether the material quantity is large or small.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
a novel multilayer self-balancing flip-flop screen, includes the bottom frame, still includes: an inner screen basket, an outer screen basket and an elastic screen surface; the inner screen basket is arranged on the bottom frame through a rubber spring, and an upper inner screen basket beam and a lower inner screen basket beam are arranged inside the inner screen basket; the two side surfaces of the outer screen basket are respectively connected with the two side surfaces of the inner screen basket through hanging plate spring components, an upper outer screen basket beam and a lower outer screen basket beam are arranged in the outer screen basket, and the inner screen basket beams and the outer screen basket beams are staggered along the direction of the screen surface; the elastic screen surface comprises an upper screen plate and a lower screen plate, and the upper screen plate and the lower screen plate are respectively fixed on an inner screen basket beam and an outer screen basket beam which are adjacent to each other at the upper layer and the lower layer.
Compared with the prior art, the invention has the beneficial effects that:
1. the output rotating speed of the variable frequency driving motor is adjusted through the frequency converter, so that the vibration frequency of the sieving machine can be adjusted according to the actual working condition.
2. Through changing the bottom support landing leg of co-altitude, realize that the inclination of the sieve face can be adjusted according to actual operating mode.
3. By adjusting the installation distance of the sieve plate, the tension of the sieve surface can be adjusted according to the actual working condition
4. The variable frequency drive motor drives the eccentric main shaft to rotate, the eccentric main shaft drives the drive plate spring to further drive the outer screen basket to perform forced reciprocating staggered motion relative to the inner screen basket, the amplitude is not influenced by the feeding amount, and the motion is stable and reliable.
5. The screen surface adopts double-deck arrangement, and the sieve mesh size upper strata is big, and the lower floor is little, has avoided small granule material to pile up on the upper screen surface, has alleviateed the impact of big granule material to the lower floor screen surface simultaneously, has increased the life of screen surface, has improved production efficiency.
6. The movement characteristics of the inner and outer screen baskets comprise displacement, speed and acceleration which are always opposite, the sizes of the dynamic loads of the inner and outer screen baskets acting on the eccentric shaft device are equal and opposite by adjusting design parameters, and the whole screen machine is in a self-balancing state; the eccentric shaft device is zero in external force, so that the service life of core components such as a bearing is prolonged.
Drawings
For a clearer description of embodiments of the invention or of the prior art, the drawings which are used in the description of the embodiments or of the prior art will be briefly described, it being evident that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a novel multi-layer self-balancing flip-flop screen construction of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a schematic view of the inner basket of the present invention;
FIG. 4 is a schematic view of the outer basket of the present invention;
FIG. 5 is a schematic view of a bottom bracket of the present invention;
FIG. 6 is a schematic view of the suspension leaf spring assembly of the present invention;
FIG. 7 is a schematic view of the drive leaf spring assembly of the present invention;
FIG. 8 is a schematic view of the eccentric shaft assembly of the present invention;
FIG. 9 is a cross-sectional view of the eccentric shaft assembly configuration of FIG. 8;
fig. 10 is a schematic view of a screen panel of the present invention.
Wherein: an inner screen basket, a 1-1 feeding plate, a 1-2 inner screen basket left side plate, a 1-3 inner screen basket right side plate, a 1-4 inner screen basket cross beam, a 1-5 discharge plate, a 2 outer screen basket, a 2-1 outer screen basket left side plate, a 2-2 outer screen basket right side plate, a 2-3 outer screen basket cross beam, a 3 hanging leaf spring, a 3-1 inner screen basket fixing frame, a 3-2 outer screen basket fixing frame, a 3-3 hanging leaf spring, a 3-4 hanging leaf spring backing plate, a 3-5 hanging leaf spring pressing plate, a 4 bottom frame, a 4-1 hinging seat, 4-2 replaceable legs, a 4-3 base, a 5 variable frequency driving motor, a 6 belt transmission device, a 7 driving leaf spring, a 7-1 fixing plate, a 7-2 driving leaf spring backing plate, a 7-3 driving leaf spring cover plate, an 8 eccentric spindle, an 8-2 inner bearing seat, an 8-3 outer bearing seat, an 8-4 inner aligning roller bearing, an 8-5 outer aligning roller bearing, an 8-6 belt pulley, an 8-7 eccentric taper sleeve, a 9-7 eccentric surface, a 9-1 upper layer rubber sieve plate, a 9-2 lower layer rubber sieve plate and a 9-lower layer rubber sieve plate.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings.
1-10, a novel multilayer self-balancing relaxation sieve comprises a bottom frame 4, wherein the bottom frame 4 is fixed on the ground; further comprises: an inner screen basket 1, an outer screen basket 2 and an elastic screen surface 9; the inner screen basket 1 is arranged on the bottom frame 4 through a rubber spring 10 and forms a certain angle with the ground, the front end and the rear end of the inner screen basket 1 are respectively provided with a feeding plate 1-1 and a discharging plate 1-5, the left side and the right side of the inner screen basket 1 are respectively provided with an inner screen basket left side plate 1-2 and an inner screen basket right side plate 1-3, and an upper inner screen basket beam 1-4 and a lower inner screen basket beam 1-4 are arranged inside the inner screen basket 1; the left side and the right side of the outer screen basket 2 are respectively an outer screen basket left side plate 2-1 and an outer screen basket right side plate 2-2, two side surfaces of the outer screen basket 2 are respectively connected with two side surfaces of the inner screen basket 1 through a hanging plate spring component 3, an upper outer screen basket beam 2-3 and a lower outer screen basket beam 2-3 are arranged in the outer screen basket 2, and the inner screen basket beam 1-4 and the outer screen basket beam 2-3 are staggered along the screen surface direction; the elastic screen surface 9 comprises an upper screen plate 9-1 and a lower screen plate 9-2, wherein the upper screen plate 9-1 and the lower screen plate 9-2 are respectively fixed on an inner screen basket beam 1-4 and an outer screen basket beam 2-3 which are adjacent to each other at the upper layer and the lower layer; when the two screen baskets move relatively, the elastic screen surface 9 is driven to do relaxation motion. The upper layer screening plate 9-1 and the lower layer screening plate 9-2 are made of polyurethane, the openings of the upper layer screening plate 9-1 are large, the openings of the lower layer screening plate 9-2 are small, and long round holes are adopted for mounting holes on two sides of the screening plate to adjust the tensioning amount of the screening surface.
The hanging plate spring assembly 3 comprises an inner screen basket fixing frame 3-1, an outer screen basket fixing frame 3-2, a hanging plate spring 3-3, a hanging plate spring base plate 3-4 and a hanging plate spring pressing plate 3-5; the hanging plate spring 3-3 is made of glass fiber reinforced plastic; the inner screen basket fixing frame 3-1 is connected with the side surface of the inner screen basket 1, and the outer screen basket fixing frame 3-2 is connected with the side surface of the outer screen basket 2 through bolts; two ends of the hanging plate spring 3-3 are respectively connected with the inner screen basket fixing frame 3-1 and the outer screen basket fixing frame 3-2 through bolts by the hanging plate spring pressing plate 3-5, and in order to reduce abrasion, a wooden hanging plate spring base plate 3-4 is arranged between the hanging plate spring 3-3 and the inner screen basket fixing frame and between the hanging plate spring 3-3 and the hanging plate spring pressing plate 3-5.
The bottom frame 4 comprises a hinging seat 4-1, a replaceable supporting leg 4-2 and a base 4-3, wherein the base 4-3 and the hinging seat 4-1 are hinged at the right end, one end of the replaceable supporting leg 4-2 is connected with the left end of the hinging seat 4-1, and the other end is connected with the left end of the base 4-3. The installation angle of the screen machine is adjusted by replacing the replaceable supporting legs 4-2 with different heights, so that the inclination angle of the screen surface can be adjusted according to the actual working conditions.
The screen machine also comprises a variable frequency driving motor 5 and an eccentric shaft assembly 8, wherein the variable frequency driving motor 5 is arranged on the bottom frame 4, the variable frequency driving motor 5 is connected with the eccentric shaft assembly 8 through a belt transmission device 6, the eccentric shaft assembly 8 is fixed at the front end of the inner screen basket 1, and the eccentric shaft assembly 8 is connected with the side face of the outer screen basket 2 through a driving plate spring assembly 7. The variable frequency driving motor 5 is connected with a frequency converter, and the output rotating speed of the variable frequency driving motor 5 is adjusted through the frequency converter, so that the vibration frequency of the sieving machine can be adjusted according to the actual working condition.
The eccentric shaft assembly 8 comprises an eccentric main shaft 8-1, an inner bearing seat 8-2, an outer bearing seat 8-3, an inner aligning roller bearing 8-4, an outer aligning roller bearing 8-5, a belt pulley 8-6 and an eccentric taper sleeve 8-7, wherein the left and right shaft ends of the eccentric main shaft 8-1 are eccentric sections, the left and right shaft ends of the eccentric main shaft 8-1 are respectively provided with the outer bearing seat 8-3, the inner side of the outer bearing seat 8-3 is provided with the inner bearing seat 8-2, the inner part of the outer bearing seat 8-3 and the inner bearing seat 8-2 are respectively provided with the outer aligning roller bearing 8-5 and the inner aligning roller bearing 8-4, the inner bearing seat 8-2 is connected with the front end bolt of the inner screen basket 1, the outer bearing seat 8-3 is connected with the side surface of the outer screen basket 2 through a driving plate spring assembly 7, one end of the eccentric main shaft 8-1 close to the variable frequency driving motor 5 is sleeved with the eccentric taper sleeve 8-7, and the belt pulley 8-6 is arranged outside the eccentric taper sleeve 8-7.
The drive leaf spring assembly 7 comprises a fixed plate 7-1, a drive leaf spring 7-2, a drive leaf spring backing plate 7-3 and a drive leaf spring cover plate 7-4; the driving plate spring 7-2 is made of glass fiber reinforced plastic, the fixing plate 7-1 is connected with the side face of the outer screen basket 2 through bolts, two ends of the driving plate spring 7-2 are respectively connected with the fixing plate 7-1 and the outer bearing seat 8-3 through the driving plate spring cover plate 7-4 through bolts, and in order to reduce abrasion, a wooden driving plate spring base plate 7-3 is arranged between the driving plate spring 7-2 and the fixing plate 7-1, between the driving plate spring 7-2 and the outer bearing seat 8-3 and between the driving plate spring 7-2 and the driving plate spring cover plate 7-4.
The working process of the invention is as follows:
when the relaxation sieve works, the variable frequency driving motor 5 drives the eccentric main shaft 8-1 to rotate through the belt transmission device 6, and the eccentric main shaft 8-1 is fixed with the inner sieve basket 1 through the inner bearing seat 8-2. In addition, the eccentric main shaft 8-1 drives the driving plate spring assembly 7 to move through the outer bearing seat 8-3. The drive leaf spring assembly 7 urges the outer basket 2 into a forced reciprocating rocking motion relative to the inner basket 1. In the working process of the relaxation sieve, the inner sieve basket 1 and the outer sieve basket 2 move relatively, the movement directions of the inner sieve basket and the outer sieve basket are always opposite, the displacement, the speed and the acceleration are different by 180 degrees, and the elastic sieve surface 9 is driven to do 'one-relaxation' deflection movement, so that the material sieving is realized. The invention realizes the adjustable vibration frequency, the inclination angle of the screen surface and the tensioning amount of the screen surface while meeting the working requirements, increases the treatment amount of the multi-layer screen surface, improves the screening efficiency, reduces the material accumulation, prolongs the service life of the screen surface, ensures the stability of the whole machine when the inner and outer screen baskets are always in a self-balancing state.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (7)

1. The utility model provides a novel multilayer self-balancing flip-flow screen, includes bottom frame (4), its characterized in that still includes: an inner screen basket (1), an outer screen basket (2) and an elastic screen surface (9);
the inner screen basket (1) is arranged on the bottom frame (4) through a rubber spring (10), and an upper layer screen basket beam (1-4) and a lower layer screen basket beam (1-4) are arranged inside the inner screen basket (1);
the two side surfaces of the outer screen basket (2) are respectively connected with the two side surfaces of the inner screen basket (1) through a hanging plate spring assembly (3), an upper outer screen basket cross beam (2-3) and a lower outer screen basket cross beam (2-3) are arranged in the outer screen basket (2), and the inner screen basket cross beams (1-4) and the outer screen basket cross beams (2-3) are staggered along the direction of the screen surface;
the elastic screen surface (9) comprises an upper screen plate (9-1) and a lower screen plate (9-2), wherein the upper screen plate (9-1) and the lower screen plate (9-2) are respectively fixed on an inner screen basket cross beam (1-4) and an outer screen basket cross beam (2-3) which are adjacent to each other at the upper layer and the lower layer.
2. The novel multi-layer self-balancing relaxation sieve of claim 1, wherein the hanging leaf spring assembly (3) comprises an inner basket fixing frame (3-1), an outer basket fixing frame (3-2), a hanging leaf spring (3-3), a hanging leaf spring base plate (3-4), a hanging leaf spring pressing plate (3-5); the inner screen basket fixing frame (3-1) is fixedly connected with the side surface of the inner screen basket (1), and the outer screen basket fixing frame (3-2) is fixedly connected with the side surface of the outer screen basket (2); two ends of the hanging plate spring (3-3) are fixedly connected with the inner screen basket fixing frame (3-1) and the outer screen basket fixing frame (3-2) through hanging plate spring pressing plates (3-5) respectively, and hanging plate spring base plates (3-4) are arranged between the hanging plate spring (3-3) and the inner screen basket fixing frame and between the hanging plate spring (3-3) and the hanging plate spring pressing plates (3-5).
3. The novel multilayer self-balancing flip-flow screen according to claim 1, wherein the bottom frame (4) comprises a hinge seat (4-1), a replaceable supporting leg (4-2), a base (4-3), the base (4-3) and the hinge seat (4-1) are hinged at the right end, one end of the replaceable supporting leg (4-2) is connected with the left end of the hinge seat (4-1), and the other end is connected with the left end of the base (4-3).
4. The novel multilayer self-balancing relaxation sieve according to claim 1, further comprising a variable frequency driving motor (5) and an eccentric shaft assembly (8), wherein the variable frequency driving motor (5) is installed on the bottom frame (4), the variable frequency driving motor (5) is connected with the eccentric shaft assembly (8) through a belt transmission device (6), the eccentric shaft assembly (8) is fixed at the front end of the inner sieve basket (1), and the eccentric shaft assembly (8) is connected with the side face of the outer sieve basket (2) through a driving plate spring assembly (7).
5. The novel multilayer self-balancing relaxation sieve according to claim 4, wherein the eccentric shaft assembly (8) comprises an eccentric main shaft (8-1), an inner bearing seat (8-2), an outer bearing seat (8-3), an inner aligning roller bearing (8-4), an outer aligning roller bearing (8-5), a belt pulley (8-6) and an eccentric taper sleeve (8-7), the left and right shaft ends of the eccentric main shaft (8-1) are respectively provided with the outer bearing seat (8-3), the inner side of the outer bearing seat (8-3) is provided with the inner bearing seat (8-2), the outer bearing seat (8-3) and the inner bearing seat (8-2) are respectively internally provided with the outer aligning roller bearing (8-5) and the inner aligning roller bearing (8-4), the inner bearing seat (8-2) is fixedly connected with the front end of the inner sieve basket (1), the outer bearing seat (8-3) is connected with the side surface of the outer sieve basket (2) through a driving plate spring assembly (7), one end of the eccentric main shaft (8-1) close to the variable frequency driving motor (5) is sleeved with the eccentric taper sleeve (8-7), and the outer belt pulley (8-6) is arranged outside the eccentric taper sleeve (8-6).
6. The novel multi-layer self-balancing relaxant screen as claimed in claim 4, wherein the drive leaf spring assembly (7) comprises a fixed plate (7-1), two drive leaf springs (7-2), a drive leaf spring shim plate (7-3), a drive leaf spring cover plate (7-4); the fixed plate (7-1) is fixedly connected with the side face of the outer screen basket (2), two ends of the two driving leaf springs (7-2) are fixedly connected with the fixed plate (7-1) and the outer bearing seat (8-3) through the driving leaf spring cover plates (7-4) respectively, and driving leaf spring base plates (7-3) are arranged between the driving leaf springs (7-2) and the fixed plate (7-1), between the driving leaf springs (7-2) and the outer bearing seat (8-3) and between the driving leaf springs (7-2) and the driving leaf spring cover plates (7-4).
7. The novel multilayer self-balancing relaxation sieve according to claim 1, wherein the upper layer sieve plate (9-1) and the lower layer sieve plate (9-2) are made of polyurethane, and long round holes are adopted for mounting holes on two sides of the sieve plate.
CN202310835105.8A 2023-07-10 2023-07-10 Novel multilayer self-balancing relaxation sieve Withdrawn CN116603730A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310835105.8A CN116603730A (en) 2023-07-10 2023-07-10 Novel multilayer self-balancing relaxation sieve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310835105.8A CN116603730A (en) 2023-07-10 2023-07-10 Novel multilayer self-balancing relaxation sieve

Publications (1)

Publication Number Publication Date
CN116603730A true CN116603730A (en) 2023-08-18

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Application Number Title Priority Date Filing Date
CN202310835105.8A Withdrawn CN116603730A (en) 2023-07-10 2023-07-10 Novel multilayer self-balancing relaxation sieve

Country Status (1)

Country Link
CN (1) CN116603730A (en)

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Application publication date: 20230818