CN210230589U

CN210230589U - High-frequency vibration fine screen for magnetic separator

Info

Publication number: CN210230589U
Application number: CN201920632493.9U
Authority: CN
Inventors: Jiangqun Li; 李江群
Original assignee: Foshan Huguang Machinery Manufacturing Co Ltd
Current assignee: Foshan Huguang Machinery Manufacturing Co Ltd
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2020-04-03
Anticipated expiration: 2029-05-05

Abstract

The utility model discloses a high-frequency vibration fine screen for magnetic separator, which comprises a frame, the connecting rod setting that the output end of the eccentric shaft vibration exciter that sets up in the frame is fixed on the high-frequency sieve case, the high-frequency sieve case passes through the shearing spring and sets up on the frame carrier bar, and is fixed with the striker plate on the high-frequency sieve case, the baffle box that the high-frequency sieve case below set up is fixed on the frame carrier bar, the lower table wall of baffle box is provided with undersize thing loading head, and the one end that the baffle box is close to undersize thing loading head is provided with oversize thing loading head, the frame carrier bar passes through connecting piece fixed mounting in the frame, the spray pipe that the striker plate top set up passes through the dead lever to be fixed in the frame. The utility model discloses a set up spray pipe, eccentric shaft vibration exciter, ore separator, distributing device and screen cloth, it is fixed to have solved the vibration screening frequency, and screening efficiency is low, and the ore pulp is difficult for screening completely, and the ore pulp distributes unequally, can not carry out the problem of wet synchronous screening futilely.

Description

High-frequency vibration fine screen for magnetic separator

Technical Field

The utility model relates to a magnetic separator fine material screening installation technical field specifically is a magnetic separator is with fine sieve of high-frequency vibration.

Background

Introduction of related matters: at present, the wet-type classification equipment for fine-grained materials in industry mainly comprises a spiral classifier, a hydrocyclone and a high-frequency vibration fine screen, wherein the spiral classifier comprises the following components in parts by weight: the spiral classifier is often used with a ball mill in a matching way, the lower end of an obliquely installed water tank is an ore pulp grading sedimentation area, a spiral rotates at a low speed to stir ore pulp, light and fine particles are suspended on the upper surface of the spiral classifier and flow to an overflow edge weir to overflow, the overflow edge weir enters a next procedure to be treated, coarse and heavy particles are settled on the bottom of the tank, and the coarse and heavy particles are conveyed to a discharge port by the spiral to be discharged as return sand. (2) A hydrocyclone: the hydrocyclone relies on the effect of centrifugal force to make the material separate according to the particle size in the cyclone, and coarse grain gets rid of from the bottom sand setting mouth, and the fine grain is discharged from the overflow pipe. (3) The existing high-frequency fine screen is fine grading equipment, the size of a screen can be selected according to the requirement of qualified grain size, and the high-frequency fine screen can be designed into a single-layer high-frequency fine screen or a multi-layer high-frequency fine screen.

Through retrieval, Chinese patent No. CN201337984Y, granted publication 2009-11-04 discloses a high-frequency vibration fine screen, and belongs to the field of vibration screening machinery. Is designed for solving the problems of large volume and occupied area, low vibration frequency and low screening efficiency of the existing vibrating screen. The screen body of the vibrating screen is formed by vertically stacking multiple layers of screen boxes and is connected with a bearing beam on the rack through a shearing spring system after being fixed with a connecting beam. A distributor is arranged at the feeding end of each screen box and is used for uniformly distributing materials to the screen surface. The middle part of the screen box is provided with a water spraying device, a bottom plate for receiving screen material is arranged below the screen, and the screen material are respectively collected and discharged in a centralized way through a discharge guide plate.

Has the following disadvantages:

1. the vibrating device is only a vibrating machine, the vibration frequency, the vibration amplitude and the like are fixed and cannot be well adjusted, and the screening efficiency of the vibrating screen cannot be improved;

2. the plane screening of the screen mesh results in incomplete screening of ore pulp, incomplete screening of the ore pulp, low screening processing capacity of the screen mesh and low screening efficiency in the screening process;

3. the primary forced pulp distribution causes unbalanced distribution under the influence of kinetic energy of pulp and fluctuation of pulp quantity, so that the pulp is not uniformly mixed and distributed, and the screening effect is poor;

4. the screening process is only drying and screening ore pulp, water cannot be supplied for scrubbing and screening, and the screening efficiency is low.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a high-frequency vibration fine screen for magnet separator has solved the vibration screening frequency and has fixed, and screening efficiency is low, and the ore pulp is difficult for screening completely, and the ore pulp distributes unevenly, can not carry out the problem of wet synchronous screening futilely.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-frequency vibration fine screen for magnet separator, includes the frame, the fixed connecting rod setting of output end of the eccentric shaft vibration exciter that sets up in the frame is on the high-frequency sieve case, the high-frequency sieve case passes through the shearing spring and sets up on the frame carrier bar, and is fixed with the striker plate on the high-frequency sieve case, the baffle box that the high-frequency sieve case below set up is fixed on the frame carrier bar, the lower table wall of baffle box is provided with undersize thing loading head, and the one end that the baffle box is close to undersize thing loading head is provided with oversize thing loading head.

Preferably, the frame carrier bar is fixedly mounted on the frame by a connecting member.

Preferably, the spray pipe arranged above the striker plate is fixed on the rack through a fixing rod, and a water spray nozzle is arranged on the spray pipe.

Preferably, the high-frequency sieve box is set to be inclined, the inclination angle of the high-frequency sieve box is 15 degrees, and a distributor is fixedly mounted at one end of the bearing beam of the rack, which is close to the high-frequency sieve box, through a distributor support frame.

Preferably, the input end of the distributing device is fixedly provided with an ore separator through a feeding pipe.

Preferably, the undersize collector and the oversize collector are both arranged at the lower end of the high-frequency screen box.

Preferably, the inside of high frequency sieve case is provided with the screen cloth, the screen cloth sets up to the zigzag, and the difference in height of screen cloth is 30 mm.

(III) advantageous effects

The utility model provides a magnetic separator is with fine sieve of high-frequency vibration possesses following beneficial effect:

(1) the utility model discloses a set up ore separator, feeding tube, distributing device and distributing device support frame, ore separator and distributing device all mix the ore pulp and balanced distribution for the ore pulp distributes balancedly in the supply process, can not cause screening process part sieve weight overweight or too little, and balanced distribution sieves, and screening efficiency is high, and the throughput is high, and can adapt to not equidimension ore pulp material, and the adaptability is stronger.

(2) The utility model discloses a set up eccentric shaft vibration exciter, high frequency sieve case, frame carrier bar and shearing spring, high frequency sieve case accessible shearing spring vibrates about on the frame carrier bar to shearing spring can carry out shock attenuation processing to high frequency sieve case, reduces the damage that high frequency sieve case vibration receives, and two eccentric vibration axles are used to the eccentric shaft vibration exciter, through the gear connection of isoparametric meshing, a motor drive. Because the eccentric directions of the eccentric blocks of the two vibrating shafts are not at symmetrical positions, the motion track of the vibrating screen is elliptical, and the proportion of the long shaft and the short shaft of the elliptical track can be changed by changing the angle of the eccentric direction of one eccentric block deviating from the symmetrical position. The screening efficiency of the vibrating screen is effectively improved while the screening penetrating performance is improved. The sieve has the characteristics of stable work, low noise, low power consumption, long service life of the sieve surface and the like.

(3) The utility model discloses a set up the striker plate, the spray pipe, the undersize thing loading head, the oversize thing loading head, screen cloth and water spout, the striker plate blocks materials such as the ore pulp on the screen cloth, avoid materials such as ore pulp to cause the splash by the vibration, guarantee equipment is clean, spray pipe and water spout can carry out the water spray cleaning screening to materials such as ore pulp, materials such as ore pulp can realize dry-wet synchronization separation, the water spray cleaning screening effect is more obvious, efficiency is higher, undersize thing loading head and oversize thing loading head collect and discharge the material after the material screening such as ore pulp, the collection is distinguished obviously, unmixed collection is clearer, the screen cloth adopts gravity flow waterfall to transfer thick liquid, two-stage process ore pulp mixes more evenly, thereby improve the throughput and the screening efficiency of two-stage process screen cloth; secondary pulp making of the high-frequency sieve is realized in the true sense, and the processing capacity and the sieving efficiency of the two-section sieve surface are improved; thereby improving the processing capacity of the high-frequency screening machine.

Drawings

FIG. 1 is a front view of the present invention;

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

FIG. 3 is a partial enlarged view of the oversize material collector of the present invention;

FIG. 4 is a cross-sectional view of the spray pipe of the present invention;

fig. 5 is a cross-sectional view of the screen of the present invention.

In the figure: the device comprises a material baffle 1, a water spray pipe 2, a connecting rod 3, an eccentric shaft vibration exciter 4, a high-frequency screen box 5, an ore separator 6, a material feeding pipe 7, a material distributor 8, a material distributor supporting frame 9, a frame bearing beam 10, a shearing spring 11, a material guide chute 12, a frame 13, a screen underflow collector 14, an oversize collector 15, a screen mesh 16 and a water spray nozzle 17.

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.

As shown in fig. 1-5, the utility model provides a technical solution: the utility model provides a fine screen of high-frequency vibration for magnet separator, which comprises a frame 13, connecting rod 3 that the output end of the eccentric shaft vibration exciter 4 that sets up in frame 13 is fixed sets up on high-frequency sieve case 5, high-frequency sieve case 5 sets up on frame carrier bar 10 through shear spring 11, and be fixed with striker plate 1 on the high-frequency sieve case 5, baffle box 12 that high-frequency sieve case 5 below set up is fixed on frame carrier bar 10, high-frequency sieve case 5 accessible shear spring 11 vibrates from top to bottom on frame carrier bar 10, and shear spring 11 can carry out shock attenuation processing to high-frequency sieve case 5, reduce the damage that high-frequency sieve case 5 vibrates receives, eccentric shaft vibration exciter 4 uses two eccentric vibration axles, gear connection through the isoparametric meshing, a motor drive. Because the eccentric directions of the eccentric blocks of the two vibrating shafts are not at symmetrical positions, the motion track of the vibrating screen is elliptical, and the proportion of the long shaft and the short shaft of the elliptical track can be changed by changing the angle of the eccentric direction of one eccentric block deviating from the symmetrical position. The screening efficiency of the vibrating screen is effectively improved while the screening penetrating performance is improved. The device has the characteristics of stable work, low noise, low power consumption, long service life of a screen surface and the like, a screen underflow collector 14 is arranged on the lower surface wall of a guide chute 12, an screen overflow collector 15 is arranged at one end of the guide chute 12 close to the screen underflow collector 14, a frame bearing beam 10 is fixedly arranged on a frame 13 through a connecting piece, a spray pipe 2 arranged above a baffle plate 1 is fixed on the frame 13 through a fixing rod, a spray nozzle 17 is arranged on the spray pipe 2, a high-frequency screen box 5 is arranged in an inclined mode, the inclination angle of the high-frequency screen box 5 is 15 degrees, a distributor 8 is fixedly arranged at one end of the frame bearing beam 10 close to the high end of the high-frequency screen box 5 through a distributor supporting frame 9, an ore distributor 6 is fixedly arranged at the input end of the distributor 8 through a feeding pipe 7, the ore distributor 6 and the distributor 8 are used for uniformly and uniformly distributing ore pulp so that the distribution of, the screening process can not cause that the screening amount of part of the screening process is too heavy or too little, the screening is carried out by balanced distribution, the screening efficiency is high, the processing capacity is high, the device can adapt to ore pulp materials with different sizes, the adaptability is stronger, both the undersize material collector 14 and the oversize material collector 15 are arranged at the lower end of the high-frequency screen box 5, the screen 16 is arranged in the high-frequency screen box 5, the screen 16 is Z-shaped, the height difference of the screen 16 is 30mm, the baffle plate 1 blocks the materials such as the ore pulp on the screen 16, the splashing caused by the vibration of the materials such as the ore pulp is avoided, the cleanness of the device is ensured, the water spray pipe 2 and the water spray nozzle 17 can carry out water spray cleaning and screening on the materials such as the ore pulp, the materials such as the ore pulp can realize dry-wet synchronous separation, the water spray cleaning and screening effect is more obvious, the efficiency is higher, the undersize material, the collection is distinguished obviously, it is clearer to collect not mix, the screen cloth 16 adopts the self-flowing waterfall to regulate the thick liquid, the two-stage ore pulp is mixed more evenly, thus improve the handling capacity and screening efficiency of the two-stage screen cloth; secondary pulp making of the high-frequency sieve is realized in the true sense, and the processing capacity and the sieving efficiency of the two-section sieve surface are improved; thereby improving the processing capacity of the high-frequency screening machine.

When the device is used, ore pulp is poured into the ore separator 6 firstly, the power is switched on, the ore separator 6 sequentially and uniformly drops the ore pulp into the distributing device 8 through the feeding pipe 7, the distributing device 8 then drops the ore pulp onto the screen 16 in the high-frequency screen box 5, the eccentric shaft vibration exciter 4 drives the high-frequency screen box 5 to vibrate, the ore pulp moves downwards by virtue of gravity, the ore pulp is screened by vibration in the moving process, the water spraying pipe 2 is connected with a water pipe, the ore pulp is sprayed by the water spraying nozzle 17, the water spraying cleaning and screening are quicker and more convenient, the ore pulp is screened more obviously by the height difference between the upper part and the lower part on the screen 16, the screened ore pulp material flows into the undersize material collector 14 through the guide chute 12, the unscreened ore pulp and the like are directly discharged through the oversize material collector 15, and the screening is efficient and.

To sum up can, the utility model discloses a set up spray pipe 2, eccentric shaft vibration exciter 4, branch ore deposit ware 6, distributing device 8 and screen cloth 16, it is fixed to have solved the vibration screening frequency, and screening efficiency is low, and the difficult screening of ore pulp is complete, and the ore pulp distributes inequality, can not carry out the problem of dry wet synchronous screening.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-frequency vibration fine screen for magnet separator, includes frame (13), its characterized in that: the high-frequency screen box is characterized in that a connecting rod (3) fixed at the output end of an eccentric shaft vibration exciter (4) arranged on a rack (13) is arranged on the high-frequency screen box (5), the high-frequency screen box (5) is arranged on a rack bearing beam (10) through a shearing spring (11), a material baffle (1) is fixed on the high-frequency screen box (5), a material guide groove (12) arranged below the high-frequency screen box (5) is fixed on the rack bearing beam (10), a screen underflow material collector (14) is arranged on the lower surface wall of the material guide groove (12), and a screen overflow material collector (15) is arranged at one end, close to the screen underflow material collector (14), of the material guide groove (12).

2. The high-frequency vibration fine screen for the magnetic separator as claimed in claim 1, wherein: the frame bearing beam (10) is fixedly arranged on the frame (13) through a connecting piece.

3. The high-frequency vibration fine screen for the magnetic separator as claimed in claim 1, wherein: the water spray pipe (2) arranged above the striker plate (1) is fixed on the rack (13) through a fixing rod, and a water spray nozzle (17) is arranged on the water spray pipe (2).

4. The high-frequency vibration fine screen for the magnetic separator as claimed in claim 1, wherein: high frequency sieve case (5) set up to the slope type, and the inclination of high frequency sieve case (5) is 15, frame carrier bar (10) are close to high one end of high frequency sieve case (5) and are served through distributing device support frame (9) fixed mounting and have distributing device (8).

5. The high-frequency vibration fine screen for the magnetic separator as claimed in claim 4, wherein: the input end of the distributing device (8) is fixedly provided with an ore separator (6) through a feeding pipe (7).

6. The high-frequency vibration fine screen for the magnetic separator as claimed in claim 4, wherein: the undersize material collector (14) and the oversize material collector (15) are both arranged at the lower end of the high-frequency screen box (5).

7. The high-frequency vibration fine screen for the magnetic separator as claimed in claim 4, wherein: the inside of high frequency sieve case (5) is provided with screen cloth (16), screen cloth (16) set up to the zigzag, and the difference in height of screen cloth (16) is 30 mm.