CN112191500A

CN112191500A - Multi-amplitude composite flip-flow screen

Info

Publication number: CN112191500A
Application number: CN202010958625.4A
Authority: CN
Inventors: 陈兵; 谢春兵; 翟冰
Original assignee: Bertley Shandong Industrial Equipment Co ltd
Current assignee: Bertley Shandong Industrial Equipment Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-01-08

Abstract

The invention discloses a multi-amplitude composite relaxation sieve, which separates equalizing beams of a floating sieve frame into sections, wherein a plurality of sections of the equalizing beams and the floating cross beams form a plurality of floating sieve frames, and the amplitude of each section of the floating sieve frame can be independently designed through a resonant spring to form the multi-amplitude composite relaxation sieve. The invention not only aims at the screen surface of the multi-section screening flip-flow screen, solves the problem of unbalanced front and back load, and avoids the cracking of bolts or the cracking of balance beams between the balance beams and the floating cross beams of the floating screen frame. Meanwhile, the design of the multi-section floating screen frame can be independently adjusted in amplitude according to screening working conditions, the requirements of different screening working conditions are met, and the applicability is stronger.

Description

Multi-amplitude composite flip-flow screen

Technical Field

The invention relates to the technical field of mechanical material screening, in particular to a multi-amplitude composite flip-flow screen.

Background

The structure form of the flip-flow screen in the prior art is composed of a main screen frame, a floating screen frame and a motor driving device, wherein the main screen frame is flexibly connected with the floating screen frame through a resonant spring block, fixed cross beams on the main screen frame and floating cross beams on the floating screen frame are arranged in a staggered way, the fixed beam and the floating beam are connected by the sieve plate made of elastic material, the vibration exciter on the main sieve frame is driven by the driving device when the sieve plate works, the inertia exciting force generated by the vibration exciter makes the main sieve frame vibrate, the exciting force is transferred to the floating screen frame through the resonant spring block, so that the floating screen frame makes reciprocating linear motion, the relative displacement difference exists between the main screen frame and the floating screen frame, the fixed cross beam and the floating cross beam correspondingly generate the displacement difference, thereby the sieve plate is strained and loosened to generate relaxation movement, and the amplitude of the relaxation sieve is adjusted by increasing or decreasing the number of the rubber shear blocks or adjusting the eccentric vibration exciters.

The floating screen frame comprises balance beams and floating cross beams, the balance beams are longitudinally arranged along a side plate of the main screen frame and are connected with the side plate through resonance springs, the floating cross beams are connected between the balance beams on two sides, the floating cross beams and the fixed cross beams are sequentially arranged at intervals, and the screen plate is connected between the floating cross beams and the fixed cross beams. The fixed main screen frame applies the exciting force to the floating screen frame through the resonant spring.

The relaxation sieve has the defects that the balance beam of the floating sieve frame is designed in an integral mode, the floating sieve frame synchronously moves at the same time, and the amplitude of the whole sieve surface is consistent. When the screen surface of the flip-flow screen is sorted in multiple sections, the same amplitude cannot be matched with the amplitude between the section sorting areas, so that the front and rear loads of the floating screen frame are unbalanced, and further the serious problem of bolt cracking or balance beam fracture between the balance beam and the floating cross beam of the floating screen frame is caused.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a multi-amplitude composite relaxation sieve.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a compound relaxation sieve of many amplitudes, its characterized in that, it selects separately the interval according to the segmentation with the compensating beam of unsteady reel, and multistage compensating beam and unsteady crossbeam form a plurality of unsteady reels, and the amplitude of every section unsteady reel can design alone through resonance spring, forms compound relaxation sieve of many amplitudes.

Furthermore, the multi-amplitude composite relaxation sieve comprises a balance beam, a floating cross beam, a resonance spring, a motor driving device, a main sieve frame, a vibration exciter and a relaxation sieve plate, wherein the balance beam is longitudinally arranged along a side plate of the main sieve frame and is connected with the side plate through the resonance spring, and the floating cross beam connected with the balance beam and the relaxation sieve plate on the balance beam form the floating sieve frame together in a balanced way at two sides; the fixed main screen frame applies the exciting force to the floating screen frame through the resonant spring, namely the balance beam bears the transfer source of the exciting force of the floating screen frame.

Preferably, the balance beam is in the shape of a channel steel bend. And the channel steel is welded with a fixed seat connected with the resonance spring and a connecting hole distributed with a floating beam. The motor driving device provides driving force to enable the vibration exciter to generate exciting force, the exciting force is transmitted to the floating screen frame through the main screen frame, the relaxation screen plate is enabled to generate relaxation operation, and screening of materials is completed.

More preferably, the balance beam and the floating beam are fixed by flanges at both sides of the floating beam. The tension sieve plate and the floating beam are clamped and fixed. The resonance spring support angle steel is a part of the main screen frame and is fixed with two sides of the frame body of the main screen frame.

Additionally, a floating beam is disposed between the two resonant spring support angles.

In the prior art, the invention not only aims at the screen surface of the multi-section screening flip-flow screen, solves the problem of unbalanced front and back load, and avoids the cracking of bolts or the cracking of balance beams between the balance beams and the floating cross beams of the floating screen frame.

Meanwhile, the design of the multi-section floating screen frame can be independently adjusted in amplitude according to screening working conditions, the requirements of different screening working conditions are met, and the applicability is stronger.

Drawings

FIG. 1 is a three-dimensional view of a multi-amplitude composite relaxation screen assembly according to the present invention;

fig. 2 is a side view of the multi-amplitude composite relaxation screen shown in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a multi-amplitude composite relaxation sieve, wherein balance beams of a floating sieve frame are separated into sections, a plurality of sections of balance beams and floating cross beams form a plurality of floating sieve frames, and the amplitude of each section of floating sieve frame can be independently designed through a resonant spring to form the multi-amplitude composite relaxation sieve.

The utility model provides a compound relaxation sieve of many amplitudes, its contains a plurality of frames that float, and every frame that floats includes compensating beam, unsteady crossbeam, and multistage compensating beam is connected through resonance spring and curb plate along main reel curb plate longitudinal arrangement to connect unsteady crossbeam between the compensating beam of both sides, unsteady crossbeam and fixed cross beam interval arrangement in proper order, the sieve board that relaxes is connected between unsteady crossbeam and fixed cross beam.

Specifically, as shown in fig. 1 and 2, the multi-amplitude composite relaxation sieve comprises a balance beam 1, a floating cross beam 2, a resonant spring 3, a motor driving device 5, a main sieve frame 6, a vibration exciter 7 and a relaxation sieve plate 8, wherein the balance beam 1 is longitudinally arranged along a side plate of the main sieve frame 6 and is connected with the side plate through the resonant spring 3, and the balance 1 on two sides, the floating cross beam 2 connected with the balance beam 1 and the relaxation sieve plate 8 on the balance beam jointly form the floating sieve frame. The fixed main screen frame applies the exciting force to the floating screen frame through the resonant spring 3, namely the balance beam bears the transfer source of the exciting force of the floating screen frame. The balance beam is generally in the shape of a channel steel bend. And the channel steel is welded with a fixed seat connected with the resonance spring and a connecting hole distributed with a floating beam.

Preferably, the motor driving device provides driving force to enable the vibration exciter to generate exciting force, the exciting force is transmitted to the floating screen frame through the main screen frame, the relaxation screen plate generates relaxation operation, and screening of materials is completed. The floating screen frame consists of a balance beam 1, a floating cross beam 2 and a tension sieve plate 8. The balance beam and the floating beam are fixed through flanges on two sides of the floating beam; the relaxation sieve plate and the floating beam are clamped and fixed; the resonant spring support angle steel 4 is a part of the main screen frame 6 and is fixed with two sides of the frame body of the main screen frame. The floating beam 2 is arranged between two resonant spring support angles 4. Both are connected by a resonant spring 3. Therefore, the exciting force of the main screen frame is transmitted to the floating beam through the resonant spring 3, namely: and transferring the powder to a floating screen frame.

Further, the floating beam 2 is used to connect the balance beams on both sides to make it an independent vibrating body. The floating cross beam is also used for fixing the tension sieve plate, and the floating cross beam, the tension sieve plate and the balance beam jointly form a floating sieve frame. The floating beam has various structural forms, the general structure is that the supporting part is a section steel or a steel plate bending piece, and flanges are arranged on two sides and are used for being connected with the fixed beam. The part for fixing the tension sieve plate or the steel plate is bent, and the direction of the part is consistent with the arrangement of the tension sieve plate and is used for fixing the tension sieve plate; the vibration exciter 7 on the main screen frame generates exciting force to enable the main screen frame to vibrate, the exciting force is transmitted to the floating screen frame through the resonant spring block, the floating screen frame is enabled to do reciprocating linear motion, relative displacement difference exists between the main screen frame and the floating screen frame, the fixed cross beam and the floating cross beam correspondingly generate displacement difference, so that the relaxation screen plate 8 is tensioned and loosened to generate relaxation motion, and the amplitude of the relaxation screen is adjusted by increasing or decreasing the number of rubber shear blocks or adjusting eccentric vibration exciters.

Further, the fixed main screen frame 6 applies the exciting force to the multi-section floating screen frame through the resonant springs 3, the floating screen frames in different sections can generate different amplitudes, and the different amplitudes act on the corresponding screen surfaces in the interval in a composite mode. The surface design of the galloping screen body can be a multi-angle fold line shape or a linear shape. The tension sieve plate 8 is arranged in a single layer, double layer or multilayer way. The upper and lower resonant spring support angle steels of the balance beam can adopt two forms of multi-section type and integral type.

Compared with the prior art, the multi-amplitude composite relaxation sieve has the advantages that due to the design of the multi-section balance beams, the fixed sieve basket applies the exciting force to the multi-section floating sieve basket through the resonant springs, and the floating sieve frames in different sections can generate different amplitudes, so that the multi-section sieving amplitudes are formed on the same sieve surface. According to the multi-amplitude composite relaxation sieve, the balance beams of the floating sieve frames are separated according to the sectional separation interval, a plurality of sections of balance beams and the floating cross beam form a plurality of floating sieve frames, and the amplitude of each section of floating sieve frame can be independently designed through the resonant spring to form the multi-amplitude composite relaxation sieve.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the embodiments of the present invention are included in 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

1. The utility model provides a compound relaxation sieve of many amplitudes which characterized in that, its equalizing beam that will float the reel separates the interval according to the segmentation, and multistage equalizing beam forms a plurality of floating reels with the unsteady crossbeam, and the amplitude of every section floating reel accessible resonance spring designs alone, forms the compound relaxation sieve of many amplitudes.

2. The multi-amplitude composite relaxation sieve of claim 1, which comprises a balance beam (1), a floating cross beam (2), a resonant spring (3), a motor driving device (5), a main sieve frame (6), a vibration exciter (7) and a relaxation sieve plate (8), wherein the balance beam (1) is longitudinally arranged along a side plate of the main sieve frame (6) and is connected with the side plate through the resonant spring (3), and the balance beams (1) at two sides, the floating cross beam (2) connected with the balance beam (1) and the relaxation sieve plate (8) on the balance beam jointly form the floating sieve frame; the fixed main screen frame applies the exciting force to the floating screen frame through the resonant spring (3).

3. The multi-amplitude composite relaxation screen of claim 2, wherein the balance beam is in the shape of a channel bend.

4. The multi-amplitude composite relaxation sieve as claimed in claim 2, wherein the channel steel is welded with a fixed seat connected with the resonance spring and a connecting hole provided with a floating beam.

5. The multi-amplitude composite relaxation sieve of claim 2, wherein the motor driving device provides driving force to make the vibration exciter generate exciting force, the exciting force is transmitted to the floating sieve frame from the main sieve frame, and the relaxation sieve plate generates relaxation to run and complete the sieving of the materials.

6. The multi-amplitude composite relaxation screen as claimed in claim 2, wherein the balance beam and the floating beam are fixed by flanges at both sides of the floating beam.

7. The multi-amplitude composite relaxation sieve of claim 2, wherein the relaxation sieve plate is clamped and fixed with the floating beam.

8. The multi-amplitude composite relaxation sieve of claim 2, characterized in that the resonant spring support angle steel (4) is part of the main sieve frame (6) and fixed with both sides of the frame body of the main sieve frame.

9. The multi-amplitude composite relaxation screen of claim 2, characterized in that the floating beam (2) is arranged between two resonant spring support angles (4).