Double-mass vibrating screen

Abstract

The utility model relates to the technical field of vibrating screens, and discloses a double-mass vibrating screen which comprises a conveying base, supporting bases are fixedly installed on the two sides of the conveying base, and efficient vibrating mechanisms are installed on the two supporting bases. The first vibrating screen, the second vibrating screen and the third vibrating screen are connected through the third spring frame, so that the third vibrating screen can be synchronously driven to vibrate when the first vibrating screen and the second vibrating screen vibrate, the use of a vibrating motor is effectively reduced, the cost is reduced, and meanwhile, after a large amount of stone is discharged from the discharging pipe, the stone is discharged to the outside. A large amount of stone can be preferentially guided into the middle of the third vibrating screen, and matched with a convex cover filter plate installed in the third vibrating screen, the large amount of stone can be synchronously screened towards the two sides and continuously screened into the first vibrating screen and the second vibrating screen; and stones can be efficiently screened in different levels, and the stone screening efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of vibrating screen, concretely to a double mass vibrating screen. BACKGROUND

[0002] At present, the main purpose of mine screening is to classify ore, remove impurities, improve ore purity and production efficiency, classification and separation: the ore is separated and classified according to particle size through the vibrating screen, which meets the requirements of different production processes for material particle size, provides convenience for subsequent processing and improves production efficiency: the vibrating screen can quickly separate impurities and useless substances in the ore, improve the purity and quality of the ore and reduce the burden in the subsequent processing process, thereby improving the overall production efficiency.

[0003] Among them, the double mass vibrating screen is a type of vibrating screening equipment, which drives one mass with another mass, and the double mass vibrating screen uses a spring group to connect the two masses to form a near resonance system, and the processing capacity has little effect on the performance of the screening machine, and compared with the single mass system, the double mass system has lower energy consumption and smaller impact on the foundation.

[0004] The conventional double mass vibrating screen on the market only performs one-way discharge and screening, and the screening efficiency of a large amount of ore is low, therefore, a new technical scheme needs to be designed to solve the problem, which can perform two-way discharge and screening and greatly improve the stone screening efficiency. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a double mass vibrating screen, which solves the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a double mass vibrating screen, comprising a conveying seat, both sides of the conveying seat are fixedly installed with support seats, two groups of support seats are installed with efficient vibration mechanisms;

[0007] The efficient vibration mechanism comprises two groups of equidistantly distributed first spring frames installed on one side of the two groups of support seats, first vibrating screens fixedly installed on the top of the four groups of first spring frames, two groups of equidistantly distributed second spring frames installed on the other side of the two groups of first support seats, second vibrating screens fixedly installed on the top of the four groups of second spring frames, third spring frames fixedly installed on both sides of the first vibrating screen and the second vibrating screen, and third vibrating screens fixedly installed on the top of the four groups of third spring frames, and vibration motors are fixedly installed on the side walls of the first vibrating screen and the second vibrating screen.

[0008] As an optional solution of the technical scheme of the application, the first vibrating screen and the second vibrating screen are both installed obliquely, the first vibrating screen and the second vibrating screen are symmetrical to the central axis of the conveying seat, and the third vibrating screen is horizontally arranged on the top of the first vibrating screen and the second vibrating screen.

[0009] As an optional solution of the technical scheme of the application, the conveying seat is rotatably provided with rotating rollers on both sides, and the outer walls of the two groups of rotating rollers are drivingly provided with conveying belts, so that the screened stones can be concentrated.

[0010] As an optional solution of the technical scheme of the application, the middle portions of the two groups of supporting seats are fixedly provided with flow guides through supports, and the flow guides are correspondingly arranged on both sides of the third vibrating screen and the conveying belt, so that the screened stones can be guided.

[0011] As an optional solution of the technical scheme of the application, the first vibrating screen and the second vibrating screen are both fixedly provided with oblique filter plates on the inner bottom sides, and the third vibrating screen is fixedly provided with a convex cover filter plate on the inner bottom side, so that the stones can be screened.

[0012] As an optional solution of the technical scheme of the application, the third vibrating screen is provided with a discharge pipe on the top, the discharge pipe and the convex cover filter plate are correspondingly arranged at the central positions, and the stones can be guided into the central positions of the convex cover filter plate.

[0013] Compared with the prior art, the application has the following advantages:

[0014] 1. The first vibrating screen and the second vibrating screen are both connected with the third vibrating screen through the third spring frame, so that the first vibrating screen and the second vibrating screen can synchronously drive the third vibrating screen to vibrate when vibrating, the use of the vibration motor is reduced, the cost is lowered, a large amount of stones discharged from the discharge pipe can be preferentially guided into the middle portion of the third vibrating screen, the convex cover filter plate arranged in the third vibrating screen can synchronously screen the large amount of stones to the two sides, the large amount of stones can be continuously screened into the first vibrating screen and the second vibrating screen, the oblique filter plates arranged in the first vibrating screen and the second vibrating screen can efficiently screen the stones at different levels, and the screening efficiency of the stones is greatly improved.

[0015] 2. The middle portions of the two groups of supporting seats are fixedly provided with flow guides through supports, and the flow guides are correspondingly arranged on both sides of the third vibrating screen and the conveying belt, so that when a large amount of stones are guided into the third vibrating screen from the discharge pipe, the convex cover filter plate arranged in the third vibrating screen can preferentially screen the large amount of stones, and the flow guides arranged at the bottom of the third vibrating screen can guide the screened stones onto the conveying belt, so that the screened stones can be collected. BRIEF DESCRIPTION OF DRAWINGS

[0016] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments thereof, read in conjunction with the accompanying drawings:

[0017] Fig. 1 It is a whole structure schematic view of the double-mass vibrating screen of the present application;

[0018] Fig. 2 It is a tilt filter plate distribution structure schematic view of the double-mass vibrating screen of the present application;

[0019] Fig. 3 It is a convex cover filter plate structure schematic view of the double-mass vibrating screen of the present application.

[0020] In the figure: 1, conveying seat; 11, rotating roller; 12, conveying belt; 13, support seat; 2, first spring frame; 21, second spring frame; 22, first vibrating screen; 23, third spring frame; 24, third vibrating screen; 25, second vibrating screen; 3, vibrating motor; 31, tilt filter plate; 32, convex cover filter plate; 33, flow guide cover. DETAILED DESCRIPTION

[0021] Please refer to Figs. 1-3 The present application provides a technical scheme: a double-mass vibrating screen, comprising a conveying seat 1, both sides of the conveying seat 1 are fixedly installed with support seats 13, two groups of support seats 13 are installed with high-efficiency vibrating mechanisms;

[0022] The high-efficiency vibrating mechanism comprises two groups of equidistantly distributed first spring frames 2 installed on one side of the two groups of support seats 13, first vibrating screens 22 fixedly installed on the top of the four groups of first spring frames 2, two groups of equidistantly distributed second spring frames 21 installed on the other side of the two groups of first support seats 13, second vibrating screens 25 fixedly installed on the top of the four groups of second spring frames 21, third spring frames 23 fixedly installed on both sides of the first vibrating screens 22 and the second vibrating screens 25, and third vibrating screens 24 fixedly installed on the top of the four groups of third spring frames 23, the side walls of the first vibrating screens 22 and the second vibrating screens 25 are fixedly installed with vibrating motors 3, the first vibrating screens 22 and the second vibrating screens 25 are obliquely installed, the first vibrating screens 22 and the second vibrating screens 25 are symmetrical to the center axis of the conveying seat 1, and the third vibrating screens 24 are horizontally located on the top of the first vibrating screens 22 and the second vibrating screens 25.

[0023] In the technical scheme, the first vibrating screen 22 and the second vibrating screen 25 are connected with the third vibrating screen 24 through the third spring frame 23, so that the first vibrating screen 22 and the second vibrating screen 25 can drive the third vibrating screen 24 to vibrate synchronously when vibrating, the use of the vibrating motor 3 is effectively reduced, the cost is reduced, and after a large amount of stone is discharged from the discharge pipe, the large amount of stone is preferentially introduced into the middle of the third vibrating screen 24, cooperates with the convex cover filter plate 32 installed in the third vibrating screen 24, and synchronously screens the large amount of stone to the two sides, and is continuously screened into the first vibrating screen 22 and the second vibrating screen 25, and through the inclined filter plate 31 installed in the first vibrating screen 22 and the second vibrating screen 25, the stone can be efficiently screened in different levels, and the screening efficiency of the stone is greatly improved.

[0024] In some technical schemes, the middle of the two groups of support seats 13 is fixedly provided with a flow guide cover 33 through a support, and the flow guide cover 33 is correspondingly arranged on the two sides of the third vibrating screen 24 and the conveying belt 12, so as to guide the screened stone.

[0025] In the technical scheme, after a large amount of stone is introduced into the third vibrating screen 24 from the discharge pipe, the convex cover filter plate 32 installed in the third vibrating screen 24 can preferentially screen the large amount of stone, and the flow guide cover 33 installed at the bottom of the third vibrating screen 24 can guide the screened stone to the conveying belt 12, so that the screened stone is conveniently collected.

[0026] In some technical schemes, the conveying seat 1 is rotatably provided with two groups of rotating rollers 11, and the conveying belt 12 is drivingly installed on the outer walls of the two groups of rotating rollers 11, so that the screened stone can be concentrated.

[0027] In the technical scheme, after the stone is screened by the two groups of inclined filter plates 31 and the convex cover filter plate 32, the falling stone is introduced into the conveying belt 12, and the driving motor on the driving conveying seat 1 drives the conveying belt 12 to concentrate the screened stone.

[0028] In some technical schemes, the inclined filter plate 31 is fixedly installed at the bottom of the first vibrating screen 22 and the second vibrating screen 25, and the convex cover filter plate 32 is fixedly installed at the bottom of the third vibrating screen 24, so that the stone can be conveniently screened, the discharge pipe is installed at the top of the third vibrating screen 24, and the discharge pipe and the convex cover filter plate 32 are correspondingly arranged at the center positions, so that the stone can be introduced into the center position of the convex cover filter plate 32.

[0029] In the technical scheme, after a large amount of stones are discharged from the discharge pipe, the large amount of stones are preferentially introduced into the middle part of the third vibrating screen 24, and the large amount of stones are simultaneously screened to the left and right sides by the convex cover filter plate 32 installed in the third vibrating screen 24, and are continuously screened into the first vibrating screen 22 and the second vibrating screen 25, and the stones are screened by the inclined filter plate 31 installed in the first vibrating screen 22 and the second vibrating screen 25.

[0030] In the use of the double-mass vibrating screen, it should be noted that the double-mass vibrating screen is a general standard part or a part known to those skilled in the art, and its structure and principle can be known by technical personnel through a technical manual or through a conventional experimental method.

[0031] In use, the vibration motor 3 installed on the first vibrating screen 22 and the second vibrating screen 25 is driven first, so as to simultaneously drive the first vibrating screen 22 and the second vibrating screen 25 to vibrate. Since the first vibrating screen 22 and the second vibrating screen 25 are connected to the third vibrating screen 24 through the third spring frame 23, the first vibrating screen 22 and the second vibrating screen 25 can simultaneously drive the third vibrating screen 24 to vibrate when vibrating, effectively reducing the use of the vibration motor 3 and reducing the cost. After a large amount of stones are discharged from the discharge pipe, the large amount of stones are preferentially introduced into the middle part of the third vibrating screen 24, and the large amount of stones are simultaneously screened to the left and right sides by the convex cover filter plate 32 installed in the third vibrating screen 24, and are continuously screened into the first vibrating screen 22 and the second vibrating screen 25. The stones are screened by the inclined filter plate 31 installed in the first vibrating screen 22 and the second vibrating screen 25, and the stones are efficiently screened at different levels, greatly improving the screening efficiency of the stones. Meanwhile, the flow guide cover 33 is fixedly installed in the middle part of the two groups of support seats 13 through the support, and the flow guide cover 33 is correspondingly arranged on the left and right sides of the third vibrating screen 24 and the conveying belt 12. After a large amount of stones are introduced into the third vibrating screen 24 from the discharge pipe, the stones are preferentially screened by the convex cover filter plate 32 installed in the third vibrating screen 24. Meanwhile, the flow guide cover 33 is installed at the bottom of the third vibrating screen 24, so as to guide the screened stones to the conveying belt 12, thereby facilitating the collection of the screened stones.

Claims

1. A twin-pit vibrating screen comprising a transport seat (1), characterized in that: Supporting seats (13) are fixedly installed on both sides of the conveying seat (1), and high-efficiency vibrating mechanisms are installed on the two groups of supporting seats (13). The high-efficiency vibrating mechanism comprises two groups of equidistantly distributed first spring frames (2) installed on one side of the two groups of supporting seats (13), first vibrating screens (22) fixedly installed on the top of the four groups of first spring frames (2), two groups of equidistantly distributed second spring frames (21) installed on the other side of the two groups of supporting seats (13), second vibrating screens (25) fixedly installed on the top of the four groups of second spring frames (21), third spring frames (23) fixedly installed on both sides of the first vibrating screens (22) and the second vibrating screens (25), and third vibrating screens (24) fixedly installed on the top of the four groups of third spring frames (23), and vibrating motors (3) fixedly installed on the side walls of the first vibrating screens (22) and the second vibrating screens (25).

2. A twin mass vibrating screen according to claim 1 wherein: The first vibrating screens (22) and the second vibrating screens (25) are both obliquely installed, the first vibrating screens (22) and the second vibrating screens (25) are axially symmetrical to the center of the conveying seat (1), and the third vibrating screens (24) are horizontally located on the top of the first vibrating screens (22) and the second vibrating screens (25).

3. A twin mass vibrating screen according to claim 1 wherein: Rotating rollers (11) are rotatably installed on both sides of the conveying seat (1), and conveying belts (12) are drivingly installed on the outer walls of the two groups of rotating rollers (11).

4. A twin mass vibrating screen according to claim 3 wherein: Guide covers (33) are fixedly installed on the middle portions of the two groups of supporting seats (13) through supports, and the guide covers (33) are respectively corresponded to the third vibrating screens (24) and the conveying belts (12).

5. A twin mass vibrating screen according to claim 1 wherein: Inclined filter plates (31) are fixedly installed on the inner bottom sides of the first vibrating screens (22) and the second vibrating screens (25), and convex cover filter plates (32) are fixedly installed on the inner bottom sides of the third vibrating screens (24).

6. A twin mass vibrating screen according to claim 5 wherein: A discharging pipe is installed on the top of the third vibrating screen (24), and the discharging pipe is corresponded to the convex cover filter plate (32) at the center position.

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