CN220759546U

CN220759546U - Electromagnetic composite vibration desliming screen

Info

Publication number: CN220759546U
Application number: CN202322421581.3U
Authority: CN
Inventors: 宋晓
Original assignee: Tianjin Limai Technology Co ltd
Current assignee: Tianjin Limai Technology Co ltd
Priority date: 2023-09-06
Filing date: 2023-09-06
Publication date: 2024-04-12
Anticipated expiration: 2033-09-06

Abstract

The utility model discloses an electromagnetic composite vibration desliming screen, which comprises a frame and a screen box, wherein the screen box comprises a screen frame and a screen, the screen is detachably and fixedly arranged at the bottom of the screen frame, the discharge end of the screen frame is hinged with the frame, an electro-hydraulic push rod is hinged on the frame, the feed end of the screen frame is hinged with the output end of the electro-hydraulic push rod, a girder is transversely and fixedly arranged at the inner side of the screen frame, a plurality of vibration motors are fixedly arranged on the girder, a plurality of electromagnetic vibration exciters are fixedly arranged on the outer wall at one side of the screen frame, and a plurality of material blocking mechanisms are arranged above the screen at the inner side of the screen frame. The utility model combines electromagnetic vibration and mechanical vibration, and can adjust the inclination angle of the screen surface of the screen box through the electro-hydraulic push rod so as to adapt to material screening operations with different properties, thereby causing better separation conditions, achieving the aim of improving screening efficiency, adjusting the water flow angle, facilitating the material to float, settle and layer fully in reasonable water flow and realizing better screening effect.

Description

Electromagnetic composite vibration desliming screen

Technical Field

The utility model relates to the field of mineral screening equipment, in particular to an electromagnetic composite vibration desliming screen.

Background

With the rapid development of mechanized coal mining, coal fine-fraction materials are more and more, so that coarse slime is sorted, and the method is an essential measure for ecological environment protection, full utilization of coal resources and economic benefit of coal enterprises.

The coarse slime separator commonly used at present is an interference bed separator (TBS), the fine coal with smaller density is propped up to an overflow port by utilizing hydraulic classification, and enters a centrifugal machine through a pipeline to carry out subsequent operations such as dehydration, and the like.

In addition, the interval between the overlapped screen layers is smaller, the later maintenance is difficult, and the screen replacement is very unfriendly to users.

In addition, the common electromagnetic screen or the high-frequency screen can not adjust the angle due to smaller treatment capacity, so that the problem of material passing speed is solved.

Disclosure of Invention

The utility model aims to provide an electromagnetic composite vibration desliming screen, which combines electromagnetic vibration and mechanical vibration, can adjust the angle function of a screen surface and can adjust a material blocking mechanism, and aims to solve the problems of difficult adjustment, poor material adaptability and the like of the conventional screen.

The utility model realizes the above purpose through the following technical scheme:

the utility model provides an electromagnetism complex vibration desliming sieve, includes frame and screen box, the screen box includes screen frame and screen cloth, the screen cloth can dismantle fixed the setting and be in the screen frame bottom, the screen frame discharge end with the frame is articulated, articulated in the frame is provided with the electrohydraulic push rod, the screen frame feed end with electrohydraulic push rod output is articulated, the inboard transversely fixedly of screen frame is provided with the girder, fixedly on the girder is provided with a plurality of vibrating motor, fixedly on the outer wall of screen frame one side is provided with a plurality of electromagnetic vibration exciters, the screen frame inboard is located the top of screen cloth is provided with a plurality of stock stop.

Preferably, the screen cloth is the compound sifter of multilayer, can sieve or classify the material according to the granularity size, the material of screen cloth is stainless steel or polyurethane, and is not fragile, the permanent use of being convenient for.

Preferably, the frame comprises two inverted trapezoidal supports and a plurality of connecting rods fixedly arranged between the two inverted trapezoidal supports, has the characteristics of simple structure, easy processing, firmness, durability, convenient maintenance, safe use and the like.

Preferably, the electrohydraulic push rod base is arranged on the connecting rod, the discharging end of the screen frame is hinged with the inverted trapezoid support respectively, and the inclination angle of the screen surface of the screen mesh is conveniently adjustable by utilizing the electrohydraulic push rod to adapt to material screening operations with different properties.

Preferably, damping rubber is arranged between the electro-hydraulic push rod and the connecting rod, between the output end of the electro-hydraulic push rod and the screen frame, and between the screen frame and the inverted trapezoid support, so that the influence of vibration on the rack and the electro-hydraulic push rod is reduced.

Preferably, the number of the vibrating motors is two, so that the whole screen box can vibrate, and loosening and screening of materials are facilitated.

Preferably, the frequency of the electromagnetic vibration exciter is 50Hz, and the vibration intensity is 10g.

Preferably, the lower end of the screen frame is communicated with a hopper, a discharge hole is fixedly formed in the bottom of the hopper, materials are convenient to collect, and working efficiency is improved.

Preferably, the material blocking mechanism comprises a roller and a telescopic rod, a plurality of cross rods are transversely and fixedly arranged on the inner side of the screen frame, two telescopic rods are fixedly arranged at two ends of each cross rod, a waterproof motor is fixedly arranged at one of the output ends of the telescopic rods, one end of the roller is fixedly connected with the output end of the waterproof motor, the other end of the roller is rotationally connected with the output end of the telescopic rod, which is far away from the waterproof motor, the water content, the high ash impurity content and the coal quality of materials with different properties are different, and the advancing speed of the materials and the time of passing through a screen surface can be effectively controlled by adjusting the height of the roller of the material blocking mechanism to control the screening efficiency.

Preferably, a plurality of through holes are formed in the roller, the roller is close to one end of the waterproof motor and is sealed, one end of the waterproof motor is provided with a rotary joint, the roller height of the material blocking mechanism can be adjusted through telescopic rods on two sides, the advancing speed of materials can be controlled, the time of material sieving can be further controlled, the water flow angle can be adjusted, the materials can float fully in reasonable water flow, sedimentation and layering are achieved, and better sieving effect is achieved.

Compared with the prior art, the utility model has the following beneficial effects:

1. the device combines electromagnetic vibration and mechanical vibration, and can adjust the inclination angle of the screen surface of the screen box through the electro-hydraulic push rod so as to adapt to material screening operations with different properties, thereby causing better separation conditions and achieving the purpose of improving screening efficiency.

2. The cylinder height of this device stock stop can be through the telescopic link height-adjusting of both sides, can control the material speed of advancing, and then the time of controlling the material and thoroughly sieving, can adjust rivers angle moreover, and the material of being convenient for is in reasonable rivers, abundant float, subside, layering, realizes better screening effect.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a perspective view of an electromagnetic compound vibratory desliming screen of the present utility model;

FIG. 2 is a second perspective view of an electromagnetic composite vibratory desliming screen according to the present utility model;

fig. 3 is a schematic structural view of a frame of an electromagnetic composite vibration desliming screen according to the present utility model.

The reference numerals are explained as follows:

1. a frame; 101. an inverted trapezoidal bracket; 102. a connecting rod; 2. a screen box; 3. a screen frame, 4, a screen; 5. an electro-hydraulic push rod; 6. a girder; 7. a vibration motor; 8. an electromagnetic vibration exciter; 9. damping rubber; 10. a funnel; 11. a discharge port; 12. a material blocking mechanism; 13. a roller; 14. a telescopic rod; 15. a cross bar; 16. a waterproof motor; 17. and a through hole.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model is further described below with reference to the accompanying drawings:

example 1

As shown in fig. 1-3, an electromagnetic composite vibration desliming screen comprises a frame 1 and a screen box 2, wherein the screen box 2 comprises a screen frame 3 and a screen 4, the screen 4 is detachably and fixedly arranged at the bottom of the screen frame 3, the discharge end of the screen frame 3 is hinged with the frame 1, an electro-hydraulic push rod 5 is hinged on the frame 1, the feed end of the screen frame 3 is hinged with the output end of the electro-hydraulic push rod 5, a girder 6 is transversely and fixedly arranged on the inner side of the screen frame 3, a plurality of vibration motors 7 are fixedly arranged on the girder 6, a plurality of electromagnetic vibration exciters 8 are fixedly arranged on the outer wall of one side of the screen frame 3, and a plurality of stop mechanisms 12 are arranged above the screen 4 and positioned on the inner side of the screen frame 3.

Preferably: the screen cloth 4 is a multi-layer composite screen surface, and can screen or grade materials according to the granularity, and the screen cloth 4 is made of stainless steel or polyurethane, so that the screen cloth is not easy to damage and is convenient for long-term use. The frame 1 comprises two inverted trapezoidal supports 101 and a plurality of connecting rods 102 fixedly arranged between the two inverted trapezoidal supports 101, has the characteristics of simple structure, easy processing, firmness, durability, convenient maintenance, safe use and the like. The base of the electro-hydraulic push rod 5 is arranged on the connecting rod 102, the discharge end of the screen frame 3 is hinged with the inverted trapezoid support 101 respectively, and the inclination angle of the screen surface of the screen 4 is conveniently adjustable by using the electro-hydraulic push rod 5 through the arrangement so as to adapt to material screening operations with different properties. Damping rubber 9 is arranged between the electro-hydraulic push rod 5 and the connecting rod 102, between the output end of the electro-hydraulic push rod 5 and the screen frame 3 and between the screen frame 3 and the inverted trapezoid support 101, so that the influence of vibration on the frame 1 and the electro-hydraulic push rod 5 is reduced.

The number of the vibrating motors 7 is two, so that the screen box 2 can vibrate integrally, and loosening and screening of materials are facilitated. The electromagnetic vibration exciter 8 has the frequency of 50Hz and the vibration intensity of 10g.

The funnel 10 is provided with in the intercommunication of reel 3 lower extreme, and funnel 10 bottom is fixed to be provided with discharge gate 11, and the collection of the material of being convenient for improves work efficiency.

The material blocking mechanism 12 comprises a roller 13 and a telescopic rod 14, a plurality of cross rods 15 are transversely and fixedly arranged on the inner side of the screen frame 3, two telescopic rods 14 are fixedly arranged at two ends of each cross rod 15, a waterproof motor 16 is fixedly arranged at the output end of one telescopic rod 14, one end of the roller 13 is fixedly connected with the output end of the waterproof motor 16, the other end of the roller 13 is rotationally connected with the output end of the telescopic rod 14 far away from the waterproof motor 16, the water content, the high ash impurity content and the coal quality of materials with different properties are different, and the advancing speed of the materials and the time of passing through a screen surface can be effectively controlled by adjusting the height of the roller 13 of the material blocking mechanism 12 to control the screening efficiency. The cylinder 13 is last to have seted up a plurality of through-holes 17, and the cylinder 13 is close to the one end of waterproof motor 16 and seals, and the cylinder 13 is kept away from the one end of waterproof motor 16 and is provided with rotary joint, and the cylinder 13 height of striker mechanism 12 can be through the telescopic link 14 height-adjusting of both sides, can control the material speed of advancing, and then control the time of material screening thoroughly, can adjust the rivers angle moreover, and the material of being convenient for fully floats in reasonable rivers, subsides, layering, realizes better screening effect.

Working principle: the rotary joint of cylinder 13 connects the water pump during this device use to can adjust the inclination of sieve face of sieve case through electrohydraulic push rod 5 according to the nature of material, with this material screening operation of adaptation, through the height of cylinder 13 of adjusting stock stop 12, the speed of advancing of control material and the time through the sieve face, then open the water pump, the adjustment water flow angle, the material of being convenient for is in reasonable rivers, abundant floating, subsides, layering, has realized better screening effect, thereby has caused better separation condition, reaches the purpose that improves screening efficiency.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides an electromagnetism complex vibration desliming sieve, includes frame (1) and sieve case (2), its characterized in that: the utility model provides a screen box (2) is including reel (3) and screen cloth (4), fixed setting can be dismantled to screen cloth (4) is in reel (3) bottom, reel (3) discharge end with frame (1) are articulated, articulated on frame (1) be provided with electrohydraulic push rod (5), reel (3) feed end with electrohydraulic push rod (5) output is articulated, reel (3) inboard transversely is fixedly provided with girder (6), fixed a plurality of vibrating motor (7) that are provided with on girder (6), fixed a plurality of electromagnetic vibration exciter (8) that are provided with on the outer wall of reel (3) one side, reel (3) inboard are located the top of screen cloth (4) is provided with a plurality of stock stop (12).

2. An electromagnetic composite vibratory desliming screen as set forth in claim 1, wherein: the screen (4) is a multi-layer composite screen surface, and the screen (4) is made of stainless steel or polyurethane.

3. An electromagnetic composite vibratory desliming screen as set forth in claim 1, wherein: the frame (1) comprises two inverted trapezoidal supports (101) and a plurality of connecting rods (102) fixedly arranged between the two inverted trapezoidal supports (101).

4. An electromagnetic composite vibratory desliming screen as set forth in claim 3, wherein: the electro-hydraulic push rod (5) base is arranged on the connecting rod (102), and the discharging end of the screen frame (3) is hinged with the inverted trapezoid support (101) respectively.

5. An electromagnetic composite vibratory desliming screen as set forth in claim 4, wherein: damping rubber (9) is arranged between the electro-hydraulic push rod (5) and the connecting rod (102), between the output end of the electro-hydraulic push rod (5) and the screen frame (3), and between the screen frame (3) and the inverted trapezoid support (101).

6. An electromagnetic composite vibratory desliming screen as set forth in claim 1, wherein: the number of the vibration motors (7) is two.

7. An electromagnetic composite vibratory desliming screen as set forth in claim 1, wherein: the frequency of the electromagnetic vibration exciter (8) is 50Hz, and the vibration intensity is 10g.

8. An electromagnetic composite vibratory desliming screen as set forth in claim 1, wherein: the lower end of the screen frame (3) is communicated with a funnel (10), and a discharge hole (11) is fixedly formed in the bottom of the funnel (10).

9. An electromagnetic composite vibratory desliming screen as set forth in claim 1, wherein: the material blocking mechanism (12) comprises a roller (13) and a telescopic rod (14), a plurality of cross rods (15) are transversely and fixedly arranged on the inner side of the screen frame (3), two telescopic rods (14) are fixedly arranged at two ends of each cross rod (15), a waterproof motor (16) is fixedly arranged at one output end of each telescopic rod (14), one end of the roller (13) is fixedly connected with the output end of each waterproof motor (16), and the other end of the roller (13) is rotatably connected with the output end of each telescopic rod (14) far away from the waterproof motor (16).

10. An electromagnetic composite vibratory desliming screen as set forth in claim 9, wherein: a plurality of through holes (17) are formed in the roller (13), one end, close to the waterproof motor (16), of the roller (13) is sealed, and a rotary joint is arranged at one end, far away from the waterproof motor (16), of the roller (13).