CN213855622U - Energy-saving bidirectional feeding environment-friendly screening machine - Google Patents

Abstract

The utility model discloses an energy-saving two-way feeding environment-friendly screening machine, which comprises a bearing frame, a screening box, a driving motor, a vibration exciter, a damping mechanism and a screening mechanism, wherein the screening box is connected with the bearing frame through a plurality of groups of damping mechanisms, the driving motor is fixed on the bearing frame and is in transmission connection with the vibration exciter, the cross section of the screening box is in an inverted trapezoid shape, the two screening mechanisms are in an inverted eight shape and are symmetrically arranged at two sides of the inside of the screening box, the two screening mechanisms are in an inverted eight shape, the screening mechanism comprises a bearing strip, a fixed part and a plurality of double-layer screening plates, the bearing strips are two and are symmetrically fixed on the inner wall of the screening box, two ends of the plurality of double-layer screening plates are respectively fixed on the bearing strip through the fixed part, the top end of the screening box is provided with a feeding port, the bottom end of the screening box is provided with a coarse material outlet and a fine material outlet, the utility model discloses a plurality of double-layer screening plates are screened step by step, the screening machines are sequentially arranged from high to low, so that dust can be reduced, and the environmental protection performance of the whole screening machine is improved.

Description

Energy-saving bidirectional feeding environment-friendly screening machine

Technical Field

The utility model relates to a screening machinery technical field, especially an energy-saving two-way feeding environmental protection screening machine.

Background

The application of the vibrating screen is very wide, and the vibrating screen can not be separated from the vibrating screen in all aspects of life from mining, metallurgy, coal, petrochemical industry, water conservancy and electric power, light industry, construction, transportation, even flour processing and the like. As main raw materials of coal and ore in power plants, mine plants and steel plants, the coal and ore are required to be screened and classified before being used. At present, when solid materials such as ores and the like are classified according to the particle diameter, the classification operation is usually carried out by utilizing a screening system formed by a screening mechanism with a traditional structure, such as a probability screen, a bar screen and the like, and the currently used screening equipment can meet the requirement of screening the solid materials to a certain extent during operation, but the current traditional screening mechanism has a complex structure and relatively large equipment structure volume and dead weight, and one screening equipment usually only screens the materials with a specific particle structure, so that the screening operation efficiency is low, and the requirement of screening the materials with different types can be met by synchronous operation of a plurality of equipment, so that the operation energy consumption of the current traditional screening system during actual operation is relatively large, the difficulty of the equipment operation and maintenance operation is large, the cost is high, and the equipment installation and positioning need to occupy a large installation space, the screening device is easy to be limited by the environment of the use site, the construction cost of the use site is high, the space utilization rate is low, and the cost of the operation such as use and maintenance of the current screening device is increased. In summary, in the conventional process flow, the used equipment has the following disadvantages: the energy consumption is high, the noise is large, and the dust pollution is serious; the use cycle is short, and wearing and tearing are serious, and it is inconvenient to maintain, and the maintenance cycle is longer, and the screening effect is not very good, and work efficiency is low.

Disclosure of Invention

In order to overcome the defects, the utility model aims to provide an energy-saving two-way feeding environmental protection screening machine.

In order to achieve the purpose, the utility model is implemented according to the following technical scheme:

an energy-saving two-way feeding environment-friendly screening machine comprises a bearing frame, a screening box, a driving motor, vibration exciters, damping mechanisms and screening mechanisms, wherein the screening box is connected with the bearing frame through a plurality of groups of damping mechanisms, the vibration exciters are fixed on the side wall of the screening box, the driving motor is fixed on the bearing frame and is in transmission connection with the vibration exciters, the cross section of the screening box is in an inverted trapezoid shape, the two screening mechanisms are symmetrically arranged on two sides in the screening box, the two screening mechanisms are inverted-splayed, each screening mechanism comprises bearing strips, fixing parts and a plurality of double-layer screening plates, the bearing strips are symmetrically fixed on the inner wall of the screening box, two ends of each double-layer screening plate are fixed on the bearing strips through the fixing parts respectively, and the top end of the screening box is provided with a feeding port, the two feed inlets are respectively communicated with the screening mechanism, the bottom end of the screen box is provided with a coarse material outlet and a fine material outlet, the coarse material outlet is positioned in the middle of the screen box, and the fine material outlet is positioned at the lower end of the double-layer screen plate;

furthermore, the feed inlet is communicated with the screening mechanism through a guide plate, and two ends of the guide plate are fixed on the inner wall of the screen box;

further, the fixing part comprises a fixing ring, a fixing cushion block and a bolt, the end part of the double-layer sieve plate penetrates through the fixing ring, and the double-layer sieve plate is fixed on the carrying strip through the bolt by the fixing cushion block;

furthermore, a self-cleaning device is arranged at the lower part of the double-layer sieve plate and comprises a fixed shaft and a vibrating tube, two ends of the fixed shaft are fixed on the inner wall of the sieve box, and the vibrating tube is a hollow tube and is sleeved on the fixed shaft;

furthermore, two steering wheels and two chain wheels are respectively arranged at the bottom of the periphery of the bearing rack, and a motor of the steering wheel is in transmission connection with the chain wheels through a chain;

furthermore, at least two groups of vibration exciters are symmetrically fixed on the outer wall of the screen box, at least two vibration exciters in each group are in transmission connection through a coupler, at least two driving motors are provided, and each driving motor is in transmission connection with each group of vibration exciters;

furthermore, the damping mechanism comprises two bearing seats, a main bearing spring, an auxiliary bearing spring and two elastic cushion blocks, wherein the two bearing seats are of a groove-shaped structure with a U-shaped shaft end, the two bearing seats are mutually connected and coaxially distributed through the main bearing spring and the auxiliary bearing spring, the effective lengths of the main bearing spring and the auxiliary bearing spring are 1/4-1/2 respectively embedded in the two bearing seats, the outer surface of the main bearing spring is abutted against and slidably connected with the inner surface of the side wall of the bearing seat, the auxiliary bearing spring is embedded in the main bearing spring, the two elastic cushion blocks are respectively embedded in the two bearing seats and coaxially distributed with the bearing seats, and the elastic cushion blocks are additionally embedded in the auxiliary bearing spring and are mutually slidably connected with the inner surface of the auxiliary bearing spring;

further, the outer wall of sieve case still is provided with a plurality of observation through-holes, and the outside of a plurality of observation through-holes all is provided with observes the lid, observe the lid and pass through the outer wall fixed connection of bolt and sieve case.

Compared with the prior art, the utility model discloses an energy-saving two-way feeding environmental protection screening machine possesses following beneficial effect:

the utility model discloses set up two screening mechanisms, screening mechanism symmetry sets up in the inside both sides of sieve case, and two screening mechanisms are down "eight" style of calligraphy, and the feed inlet sets up two equally, and such setting can realize the purpose of both sides feeding simultaneously, the utility model discloses a double-deck sieve lower extreme has set up self-cleaning device, and the fixed axle is together fixed with the sieve case, along with the sieve case vibrates together, when blockking up on the sieve of double-deck sieve, and the vibration pipe that cup joints on the fixed axle vibrates from top to bottom, beats double-deck sieve, realizes the function of self-cleaning, has avoided the clearance demand that stops machine of whole screening machine.

The utility model discloses a plurality of double-deck sieve sieves step by step, from high to low in proper order, can reduce the raise of dust, promotes the feature of environmental protection of whole screening machine.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic structural view of the sieving mechanism of the present invention;

fig. 5 is a schematic structural view of the damping mechanism of the present invention.

Detailed Description

The invention will be further described with reference to the drawings and specific embodiments, illustrative embodiments and description of which are provided herein to explain the invention, but not as a limitation thereof.

As shown in fig. 1-5, the energy-saving two-way feeding environment-friendly screening machine comprises a bearing frame 1, a screening box 2, a driving motor 5, a vibration exciter 4, a damping mechanism 3 and screening mechanisms 6, wherein the screening box 2 is connected with the bearing frame 1 through a plurality of groups of damping mechanisms 3, the vibration exciter 4 is fixed on the side wall of the screening box 2, the driving motor 5 is fixed on the bearing frame 1 and is in transmission connection with the vibration exciter 4, the cross section of the screening box 2 is in an inverted trapezoid shape, the two screening mechanisms 6 are symmetrically arranged on two sides inside the screening box 2, the two screening mechanisms 6 are in an inverted eight shape, the screening mechanisms 6 comprise bearing strips 61, fixing parts 62 and a plurality of double-layer screening plates 63, the bearing strips 61 are two and symmetrically fixed on the inner wall of the screening box 2, two ends of the plurality of double-layer screening plates 63 are respectively fixed on the bearing strips 61 through the fixing parts 62, the top of sieve case 2 is provided with feed inlet 7, feed inlet 7 be two, and communicate each other with screening mechanism 6 respectively, the bottom of sieve case 2 is provided with coarse fodder export 8 and fine material export 9, coarse fodder export 8 is located the centre of sieve case 2, fine material export 9 is located the lower extreme of double-deck sieve 63.

Referring to fig. 1, in the present embodiment, the feed inlet 7 is communicated with the sieving mechanism 6 through a guide plate 10, and both ends of the guide plate 10 are fixed on the inner wall of the sieving box 2.

Referring to fig. 4, in the present embodiment, the fixing member 62 includes a fixing ring 621, a fixing pad 622, and a bolt 623, the end of the double-deck screen panel 63 passes through the fixing ring 621, and the fixing pad 622 fixes the double-deck screen panel 63 to the carrier strip 61 by the bolt 623.

Referring to fig. 3, in the present embodiment, a self-cleaning device is disposed at a lower portion of the double-deck screen deck 63, the self-cleaning device includes a fixed shaft 11 and a vibrating tube 12, two ends of the fixed shaft 11 are fixed on an inner wall of the screen box 2, and the vibrating tube 12 is a hollow tube and is sleeved on the fixed shaft 11.

Referring to fig. 3, in the present embodiment, two steering wheels 13 and two chain wheels 14 are respectively disposed at the bottom of the circumference of the supporting frame 1, and the motor of the steering wheel 13 is in transmission connection with the chain wheel 14 through a chain.

Referring to fig. 1, in this embodiment, at least two groups of vibration exciters 4 are symmetrically fixed on the outer wall of the screen box 2, at least two vibration exciters 4 of each group are in transmission connection through a coupling 15, at least two driving motors 5 are provided, and each driving motor 5 is in transmission connection with each group of vibration exciters 4.

Referring to fig. 5, in the present embodiment, the damping mechanism 3 includes two bearing seats 31, two main bearing springs 32, two auxiliary bearing springs 33, and two elastic cushion blocks 34, where the two bearing seats 31 are all groove-shaped structures with a u-shaped axial end, the two bearing seats 31 are connected to each other and coaxially distributed through the main bearing springs 32 and the auxiliary bearing springs 33, the effective lengths 1/4-1/2 of the main bearing springs 32 and the auxiliary bearing springs 33 are respectively embedded in the two bearing seats 31, the outer diameter of the main bearing springs 32 is the same as the inner diameter of the bearing seats 31, the outer surfaces of the main bearing springs 32 abut against and are slidably connected to the inner surfaces of the sidewalls of the bearing seats 31, the auxiliary bearing springs 33 are embedded in the main bearing springs 32, the outer diameter of the auxiliary bearing springs 33 is 1/3-2/3 of the inner diameter of the main bearing springs 32, and the main bearing springs 32 are connected to each other, The auxiliary pressure-bearing springs 33 have opposite spiral directions, two elastic cushion blocks 34 are respectively embedded in the two bearing seats 31 and are coaxially distributed with the bearing seats 31, the elastic cushion blocks 34 are additionally embedded in the auxiliary pressure-bearing springs 33 and are mutually connected with the inner surfaces of the auxiliary pressure-bearing springs 33 in a sliding manner, the elastic cushion blocks 34 exceed the front end surfaces of the bearing seats 31 by at least 5 mm, and the distance between the elastic cushion blocks 34 in the two bearing seats 31 is 1/5-3/4 of the distance between the two bearing seats 31.

Referring to fig. 1, in the present embodiment, the outer wall of the screen box 2 is further provided with a plurality of observation through holes 16, an observation cover 17 is disposed outside each of the observation through holes 16, and the observation cover 17 is fixedly connected to the outer wall of the screen box 2 through a bolt.

The utility model discloses set up two screening mechanisms, screening mechanism symmetry sets up in the inside both sides of sieve case, and two screening mechanisms are down "eight" style of calligraphy, and the feed inlet sets up two equally, and such setting can realize the purpose of both sides feeding simultaneously, the utility model discloses a double-deck sieve lower extreme has set up self-cleaning device, and the fixed axle is together fixed with the sieve case, along with the sieve case vibrates together, when blockking up on the sieve of double-deck sieve, and the vibration pipe that cup joints on the fixed axle vibrates from top to bottom, beats double-deck sieve, realizes the function of self-cleaning, has avoided the clearance demand that stops machine of whole screening machine. The utility model discloses a plurality of double-deck sieve sieves step by step, from high to low in proper order, can reduce the raise of dust, promotes the feature of environmental protection of whole screening machine.

The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.

Claims (8)

1. An energy-saving two-way feeding environment-friendly screening machine is characterized by comprising a bearing frame, a screen box, a driving motor, vibration exciters, damping mechanisms and screening mechanisms, wherein the screen box is connected with the bearing frame through a plurality of groups of damping mechanisms, the vibration exciters are fixed on the side wall of the screen box, the driving motor is fixed on the bearing frame and is in transmission connection with the vibration exciters, the cross section of the screen box is in an inverted trapezoid shape, the two screening mechanisms are symmetrically arranged on two sides in the screen box, the two screening mechanisms are in inverted V shapes, each screening mechanism comprises a bearing strip, a fixing part and a plurality of double-layer screen plates, the bearing strips are symmetrically fixed on the inner wall of the screen box, two ends of each double-layer screen plate are respectively fixed on the bearing strips through the fixing parts, and a feeding port is formed in the top end of the screen box, the feed inlets are two and are communicated with the screening mechanism respectively, the bottom of the screen box is provided with a coarse material outlet and a fine material outlet, the coarse material outlet is positioned in the middle of the screen box, and the fine material outlet is positioned at the lower end of the double-layer screen plate.

2. The energy-saving environment-friendly bidirectional feeding screening machine according to claim 1, wherein the feeding port is communicated with the screening mechanism through a guide plate, and two ends of the guide plate are fixed on the inner wall of the screening box.

3. The energy-saving environment-friendly sieving machine with bidirectional feeding as claimed in claim 1, wherein the fixing members comprise fixing rings, fixing cushion blocks and bolts, the ends of the double-layer sieve plates penetrate through the fixing rings, and the fixing cushion blocks fix the double-layer sieve plates on the carrying strips through the bolts.

4. The energy-saving environment-friendly sieving machine with bidirectional feeding according to claim 1, characterized in that the lower part of the double-layer sieve plate is provided with a self-cleaning device, the self-cleaning device comprises a fixed shaft and a vibrating tube, two ends of the fixed shaft are fixed on the inner wall of the sieve box, and the vibrating tube is a hollow tube and is sleeved on the fixed shaft.

5. The energy-saving environment-friendly sieving machine with bidirectional feeding as claimed in claim 1, wherein the bottom of the circumference of the bearing frame is respectively provided with two steering wheels and two chain wheels, and the motor of the steering wheels is in transmission connection with the chain wheels through chains.

6. The energy-saving and environment-friendly sieving machine with bidirectional feeding according to any one of claims 1 to 5, wherein the vibration exciters are symmetrically fixed on the outer wall of the sieving box in at least two groups, each group of vibration exciters is in transmission connection with at least two groups of vibration exciters through a coupling, the driving motors are in transmission connection with at least two groups of vibration exciters, and each driving motor is in transmission connection with each group of vibration exciters.

7. The energy-saving and environment-friendly bidirectional feeding screening machine according to claim 6, the shock absorption mechanism comprises two bearing seats, a main bearing spring, an auxiliary bearing spring and an elastic cushion block, wherein the two bearing seats are of groove-shaped structures with shaft end surfaces shaped like U, the two bearing seats are mutually connected and coaxially distributed through the main bearing spring and the auxiliary bearing spring, the effective lengths 1/4-1/2 of the main pressure-bearing spring and the auxiliary pressure-bearing spring are respectively embedded in the two bearing seats, the outer surface of the main pressure-bearing spring is propped against the inner surface of the side wall of the bearing seat and is connected with the inner surface of the side wall of the bearing seat in a sliding way, the auxiliary pressure-bearing springs are embedded in the main pressure-bearing springs, the number of the elastic cushion blocks is two, the two elastic cushion blocks are respectively embedded in the two bearing seats and are coaxially distributed with the bearing seats, and the elastic cushion block is additionally embedded in the auxiliary pressure-bearing spring and is mutually connected with the inner surface of the auxiliary pressure-bearing spring in a sliding way.

8. The energy-saving environment-friendly sieving machine with two-way feeding according to claim 7, characterized in that the outer wall of the sieve box is further provided with a plurality of observation through holes, and observation covers are arranged outside the observation through holes and fixedly connected with the outer wall of the sieve box through bolts.

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