CN212263836U

CN212263836U - High-frequency linear vibration fine screen

Info

Publication number: CN212263836U
Application number: CN202020841735.8U
Authority: CN
Inventors: 王山根; 王矿山
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-01-01
Anticipated expiration: 2030-05-19

Abstract

The utility model discloses a high-frequency linear vibration fine screen, which comprises a base, a bottom frame and screen box side plates fixedly connected with the two sides of the upper surface of the bottom frame, wherein the upper surface of the bottom frame is provided with a polymer screen plate, the upper surface of the polymer screen plate is provided with a nylon medium mesh net, and the upper surface of the nylon medium mesh net is provided with a nylon fine mesh net; the upper ends of two sides of the upper surface of the nylon fine mesh net are respectively provided with a batten side pressing plate, the upper ends of the batten side pressing plates on two sides are respectively provided with a wood wedge, the upper ends of the wood wedges on two sides are provided with a fastening clamp, the fastening clamps on two sides are respectively in contact connection with the upper end and one side of the wood wedge, and the two sides of the upper end of the fastening clamps on two sides are respectively provided with a reaming bolt in a penetrating mode. The utility model discloses can prevent that the sieve mesh from blockking up, increase the intensity of screen cloth, increase of service life through setting up two rows of two curtain nozzles for the raw materials can carry out washing many times, and the effect of the water spray of full play per pass ensures that the upset of sifter material can fully desliming, reduces the product and takes mud.

Description

High-frequency linear vibration fine screen

Technical Field

The utility model particularly relates to a high frequency vibration fine screen technical field specifically is a high frequency linear vibration fine screen.

Background

The high-frequency vibration fine screen is characterized in that two electric vibrators with opposite motion directions drive a screen frame to do linear motion, and the resultant force of the vibration exciters of the two vibration motors acting on the screen frame passes through the gravity center of the screen frame. Therefore, the excitation force of each point on the screen frame is consistent. The ore pulp is fed from the upper part or the lower part of the ore separator, is uniformly divided into multiple paths by the ore separator, then respectively enters a plurality of ore feeders through ore feeding hoses, the ore feeders uniformly sprinkle the ore pulp on the upper end of a screen surface, materials on the screen surface make continuous jumps on an inclined screen surface due to continuous high-frequency and small-amplitude vibration, so that the materials are dispersed, fine-grained materials are called as undersize products through screen holes in the process of uniform mixing, materials larger than the screen holes make continuous forward jumps on the inclined screen surface, and finally the screen holes are jumped out to form oversize products.

The existing high-frequency vibrating fine screen is not reasonable enough in structural arrangement and optimized inadequately in design, so that a high-frequency linear vibrating fine screen needs to be designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high frequency straight line vibration fine screen to solve the current high frequency vibration fine screen that proposes in the above-mentioned background art, its structure sets up reasonable inadequately, designs the problem of optimizing inadequately.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high frequency straight line vibration fine screen, includes base, underframe and underframe upper surface both sides fixed connection's sieve case curb plate, its characterized in that: a polymer sieve plate is arranged on the upper surface of the bottom frame, a nylon medium mesh net is arranged on the upper surface of the polymer sieve plate, and a nylon fine mesh net is arranged on the upper surface of the nylon medium mesh net;

the upper surface both sides upper end of nylon fine mesh net all is provided with stuff side pressure plate, both sides the upper end of stuff side pressure plate all is provided with wooden wedge, both sides the upper end of wooden wedge is provided with the binding clip, both sides the binding clip is connected with the upper end and the contact of one side of wooden wedge respectively, and both sides the upper end both sides of binding clip all run through and are provided with the reamed hole bolt, every the one end of reamed hole bolt all with sieve case curb plate threaded connection.

Preferably, a first water spray pipe and a second water spray pipe are respectively arranged between the two side plates of the screen box in a hanging mode, and double-curtain nozzles are fixedly connected to one sides of the first water spray pipe and the second water spray pipe at equal intervals.

Preferably, underframe and sieve case curb plate all are the negative inclination setting.

Preferably, the first water spray pipe and the second water spray pipe are both arranged in an inclined mode.

Preferably, the side surfaces of the side plates of the screen box on two sides are respectively provided with two vibration exciters, and each side is provided with two vibration exciters.

Preferably, reinforced tubular beams are arranged on the upper sides of the interior of the screen box side plates at intervals, and each reinforced tubular beam is connected with the screen box side plates through a hinged hole bolt.

Preferably, one side of the lower surface of the side plate of the screen box is provided with a bearing tubular beam which extends out, and rubber springs are fixedly connected between the bearing tubular beam and the cushion block and between the bearing tubular beam and the base respectively.

Preferably, the lower part of the bottom frame is fixedly connected with bearing tubular beams at equal intervals.

Preferably, one end of the side plates of the screen box on the two sides is connected with a discharge plate by a hinged hole bolt.

Compared with the prior art, the beneficial effects of the utility model are that: the high-frequency linear vibration fine screen is provided with a screen,

(1) the nylon fine mesh net, the nylon medium mesh net and the polymer sieve plate are respectively arranged to play roles in sieving soil and providing support, the aperture is increased from top to bottom, and the two layers of sieve nets vibrate slightly relative to each other, so that the sieve mesh is prevented from being blocked, the strength of the sieve nets is increased, the service life is prolonged, and the characteristic of preventing the blocking of the holes makes the sieving of fine grains and fine particle materials which are considered to be difficult to sieve or even impossible to sieve possible;

(2) by arranging the two rows of double-curtain nozzles, the raw materials can be washed for multiple times, the function of spraying water in each channel is fully exerted, the materials on the screen surface are turned over to be fully deslimed, and the mud carrying of products is reduced;

(3) the fastening clamp, the side pressure long battens, the wood wedges and the side plates of the screen box are used for fastening two sides of the screen surface, when the screen plate needs to be replaced, the screen plate can be replaced and disassembled only by removing the wood wedges, so that the screen plate is very convenient to use, time-saving and labor-saving;

(4) through setting the sifter to the negative inclination, can be favorable to carrying out the spray rinsing desliming to the sifter material, and be favorable to the screening of sieve material.

Drawings

Fig. 1 is a schematic side view of the cross-sectional structure of the present invention;

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

FIG. 3 is a schematic view of a partial front view cross-sectional structure of the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1;

fig. 5 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.

In the figure: the device comprises a bottom frame 1, a screen box side plate 2, a vibration motor vibration exciter 3, a discharge plate 4, a reinforcing tubular beam 5, a batten side pressure plate 6, a fastening clamp 7, a hinged hole bolt 8, a base 9, a rubber spring 10, a bearing tubular beam 11, a cushion block 12, a wood wedge 13, a second water spray pipe 14, a first water spray pipe 15, a nylon fine mesh net 16, a nylon medium mesh net 17, a polymer screen plate 18 and a double-curtain nozzle 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a high-frequency linear vibration fine screen comprises a base 9, a bottom frame 1 and screen box side plates 2 fixedly connected with two sides of the upper surface of the bottom frame 1, wherein a polymer screen plate 18 is arranged on the upper surface of the bottom frame 1, a nylon medium mesh net 17 is arranged on the upper surface of the polymer screen plate 18, and a nylon fine mesh net 16 is arranged on the upper surface of the nylon medium mesh net 17; the upper ends of two sides of the upper surface of a nylon fine mesh net 16 are respectively provided with a batten side press plate 6, the upper ends of the batten side press plates 6 on two sides are respectively provided with a wood wedge 13, the upper ends of the wood wedges 13 on two sides are provided with a fastening clamp 7, the fastening clamps 7 on two sides are respectively in contact connection with the upper end and one side of the wood wedge 13, two sides of the upper end of the fastening clamps 7 on two sides are respectively provided with a reaming bolt 8 in a penetrating way, one end of each reaming bolt 8 is in threaded connection with a screen box side plate 2, wherein the aperture of the nylon fine mesh net 16 is 0.246-0.075 mm, the aperture of a nylon medium mesh net 17 is 2-5 mm, the aperture of a high molecular sieve plate 18 is 16-20 mm, the nylon fine mesh net 16 plays a role in sieving, the role in supporting role by the high molecular sieve plate 18 and the nylon medium mesh net 16, the aperture of a single layer is increased from top to, the strength of the screen is improved, the service life of the screen is prolonged, the fastening position of the batten side pressing plate 6 is composed of the fastening clamp 7, the wooden wedge 13 and the batten side pressing plate 6, when the screen plate is replaced, the screen plate can be replaced and disassembled conveniently only by knocking off the wooden wedge 13, and time and labor are saved.

As shown in fig. 1, fig. 2 and fig. 3, it is provided with first spray pipe 15 and second spray pipe 14 respectively unsettled between sieve case curb plate 2 of both sides, the impartial interval fixedly connected with of one side of first spray pipe 15 and second spray pipe 14 is two curtain nozzles 19, first spray pipe 15, second spray pipe 14 all is the slope setting, the water spray interval is 500mm, and the water spray angle is 45, the height 100mm of spray pipe, and the water spray angle with be spouted the material and become 45, the effect of each water spray of full play, ensure that the upset of screen face material can fully take off mud, reduce product area mud, spray pressure between 1.8 ~ 2.0 MPa.

As shown in fig. 1, the bottom frame 1 and the side plates 2 of the screen box are both arranged at negative inclination angles, which can facilitate the washing and the discharge of silt, and the inclination range is-3 to-8 degrees.

As shown in figure 1, the side surfaces of the side plates 2 of the screen boxes on the two sides are respectively provided with a vibration motor exciter 3, and the vibration motor exciters 3 on each side are respectively provided with two vibration motors, so that the screen surface vibrates through the interaction of the vibration motor exciters 3.

As shown in fig. 1 and 2, the reinforced tubular beams 5 are arranged at the upper side of the inside of the two side screen box side plates 2 at intervals, each reinforced tubular beam 5 is connected with the screen box side plates 2 through the hinged hole bolts 8, and the device is more stable through the arrangement of the reinforced tubular beams 5.

As shown in fig. 1, one side of the lower surface of the side plate 2 of the screen box is provided with a bearing tubular beam 11 extending out, the bearing tubular beam 11 is respectively fixedly connected with rubber springs 10 between a cushion block 12 and a base 9, the lower part of the bottom frame 1 is fixedly connected with the bearing tubular beam 11 at equal intervals, one end of the side plate 2 of the screen box on two sides is connected with a discharge plate 4 by a hinged hole bolt 8, the discharge plate 4 discharges materials, and the bearing tubular beam 11 provides support for the bottom of the device.

The working principle is as follows: when the high-frequency linear vibration fine screen is used and operated, the ore pulp is uniformly fed into the screen surface at the rear part of the screen box by the feeding box through the gravity, because the screen surface has a negative inclination angle, under the combined action of the exciting force of the vibration motor exciter 3 and the material gravity, part of fine particles and liquid are removed after being contacted with the screen surface, the ore pulp is gathered due to the sudden reduction of the moving speed of the ore pulp, a 'water pool' is formed, the ore pulp is thrown up on the screen surface and makes a jumping type forward linear motion, solid particles in the ore pulp are accelerated to settle, the fine particles and the liquid continuously pass through the screen surface consisting of a nylon fine mesh screen 16, a nylon middle mesh screen 17 and a polymer screen plate 18, the other two layers of screen meshes are slightly vibrated relatively, the screen holes can be prevented from being blocked, and because the fine particles and the liquid contacted with the screen surface continuously pass through the screen, a filter layer formed by blocking fine particles is gradually formed on, the filter layer is thinner, this department sets up first spray pipe 15 respectively, second spray pipe 14 and two curtain nozzles 19, the spray pipe interval is 500mm, the height 100mm of spray pipe, and the water spray angle with spout the material and become 45, the effect of each water spray of full play, ensure that the upset of sifting material can fully desliming, reduce product area mud, between water spray pressure 1.8 ~ 2.0MPa, and fine granule and liquid more than the filter layer still constantly permeate the filter layer and pass through the sieve, realize the separation with the solid.

Because the screen surface carries out throwing motion to materials, each section of the filter layer is conveyed forwards along the screen surface, because the bottom frame 1, the side plates of the screen box and the screen surface form a negative inclination angle to play a role in blocking, the material layer on the screen is thickened, the material layer tissue is gradually consolidated by the throwing motion with high frequency and high vibration strength, the free moisture in the material layer is removed step by step, and finally the screen is discharged from the discharge plate 4 as the oversize material and passes through the screen surface as the undersize material, thereby completing screening and grading;

the nylon fine mesh net 16, the nylon medium mesh net 17 and the high molecular sieve plate 18 are fastened and compressed by matching the fastening clamp 7, the wood wedge 13 and the batten side pressing plate 6, when the nylon fine mesh net 16, the high molecular sieve plate 18 and the nylon medium mesh net 17 need to be replaced, the wood wedge 13 can be replaced and disassembled by beating the wood wedge 13 out from between the fastening clamp 7 and the batten side pressing plate 6 by external force, and time and labor are saved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a high frequency straight line vibration fine screen, includes base (9), underframe (1) and underframe (1) upper surface both sides fixed connection's sieve case curb plate (2), its characterized in that: a polymer sieve plate (18) is arranged on the upper surface of the bottom frame (1), a nylon medium mesh net (17) is arranged on the upper surface of the polymer sieve plate (18), and a nylon fine mesh net (16) is arranged on the upper surface of the nylon medium mesh net (17);

the upper surface both sides upper end of nylon fine mesh net (16) all is provided with stuff side pressure plate (6), both sides the upper end of stuff side pressure plate (6) all is provided with wooden wedge (13), both sides the upper end of wooden wedge (13) is provided with binding clip (7), both sides binding clip (7) respectively with the upper end and one side contact connection of wooden wedge (13), and both sides the upper end both sides of binding clip (7) all run through and are provided with reamed hole bolt (8), every the one end of reamed hole bolt (8) all with sieve case curb plate (2) threaded connection.

2. A high frequency linear vibrating fine screen as claimed in claim 1, wherein: the screen box is characterized in that a first water spray pipe (15) and a second water spray pipe (14) are respectively arranged between the screen box side plates (2) on two sides in a suspending mode, and double-curtain nozzles (19) are fixedly connected to one sides of the first water spray pipe (15) and the second water spray pipe (14) at equal intervals.

3. A high frequency linear vibrating fine screen as claimed in claim 1, wherein: the bottom frame (1) and the side plates (2) of the screen box are both arranged at negative inclination angles.

4. A high frequency linear vibrating fine screen as claimed in claim 2, wherein: the first water spraying pipe (15) and the second water spraying pipe (14) are obliquely arranged.

5. A high frequency linear vibrating fine screen as claimed in claim 1, wherein: both sides sieve case curb plate (2) side all installs vibrating motor vibration exciter (3), every side vibrating motor vibration exciter (3) all install two.

6. A high frequency linear vibrating fine screen as claimed in claim 1, wherein: both sides sieve case curb plate (2) inside upside interval is provided with strengthens tubular beams (5), every strengthen tubular beams (5) and all adopt hinge system hole bolt (8) to be connected with sieve case curb plate (2).

7. A high frequency linear vibrating fine screen as claimed in claim 2, wherein: and a bearing tubular beam (11) extending out is arranged on one side of the lower surface of the screen box side plate (2), and rubber springs (10) are fixedly connected between the bearing tubular beam (11) and the cushion blocks (12) and the base (9) respectively.

8. A high frequency linear vibrating fine screen as claimed in claim 1, wherein: the lower part of the bottom frame (1) is fixedly connected with bearing tubular beams (11) at equal intervals.

9. A high frequency linear vibrating fine screen as claimed in claim 1, wherein: one end of the sieve box side plate (2) on the two sides is connected with a discharge plate (4) by a reaming bolt (8).