CN210304532U

CN210304532U - Mineral screening device

Info

Publication number: CN210304532U
Application number: CN201921114622.1U
Authority: CN
Inventors: 张绍韡; 孙富民; 赵存良; 王红冬; 肖林; 解锡超; 李彦恒; 张鹏; 石志祥
Original assignee: Shanxi Coal Geological Bureau
Current assignee: Shanxi Institute Of Geology And Mineral Resources Co ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-04-14
Anticipated expiration: 2029-07-16

Abstract

The utility model provides a mineral screening device, which relates to the technical field of mineral processing equipment and comprises a base, a driving component, a screen cylinder and a plurality of elastic elements; the driving assembly is arranged above the base; the main shafts of the elastic elements are arranged along the up-down direction; be equipped with two at least sieve in the sieve section of thick bamboo, the sieve passes through the vibrating arm and links to each other with drive assembly's output, is equipped with a plurality of on the lateral wall of a sieve section of thick bamboo and goes out hopper and top and be equipped with the feeder hopper. The mineral screening device provided by the utility model realizes the vibration effect of the driving component on the sieve plates through the vibrating rods connected with the sieve plates, thereby not only improving the utilization rate of equipment, but also reducing the investment of the equipment; in addition, in the process that the vibrating rod drives the sieve plate to move up and down, the elastic element arranged below the sieve cylinder enables the sieve plate and the sieve cylinder to move up and down relatively, so that high-moisture or viscous materials blocked on the sieve plate fall off from sieve holes of the sieve plate, the sieve plate is prevented from being blocked, and the sieving efficiency is improved.

Description

Mineral screening device

Technical Field

The utility model belongs to the technical field of mineral processing equipment, more specifically say, relate to a mineral sieving mechanism.

Background

The coal-series associated mineral products are different from the symbiotic mineral products, the coal-series symbiotic mineral products refer to two or more than two mineral products with mining values which are simultaneously generated in the same basin with coal in the coal forming process, and the coal-series associated mineral products refer to mineral products which are attached to the coal in the coal forming process and take the coal as a main body, and cannot be independently formed into ores or have no mining values after leaving the coal, so that the screening of the associated minerals is an important link of coal processing in the coal mining process.

However, the screening device generally adopted by the traditional associated minerals of coal has the following disadvantages in the using process: each grade of screening all needs independent drive assembly, has increased the equipment input, and when traditional sieving mechanism handled the high moisture of fine grain or clay nature material, the easy material jam of sieve mesh has seriously influenced the productivity and the screening efficiency of screening.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mineral sieving mechanism to solve the high technical problem who just is difficult to effectively sieve the moisture material of equipment cost who exists among the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme: the mineral screening device comprises a base, a driving assembly, a screen drum and a plurality of elastic elements; the driving assembly is arranged above the base, and the output end of the driving assembly moves along the up-and-down direction; the main shafts of the elastic elements are arranged above the base along the up-down direction, and the elastic elements are respectively positioned on the periphery of the driving assembly; the bottom surface of a sieve section of thick bamboo links to each other with a plurality of elastic element's upper end, is equipped with two at least sieves in the sieve section of thick bamboo, and the vibrating arm that the sieve set up through the bottom surface of a sieve section of thick bamboo links to each other with drive assembly's output, is equipped with a plurality of on the lateral wall of a sieve section of thick bamboo and is equipped with the feeder hopper with the play hopper and the top that the sieve corresponds respectively.

As a further optimization, the bottom of the screen cylinder is provided with a plurality of first guide pillars extending downwards, the top of the base is provided with a plurality of second guide pillars corresponding to the first guide pillars from top to bottom, the elastic element is a pressure spring with upper and lower ends respectively sleeved on the peripheries of the first guide pillars and the second guide pillars, and the upper and lower ends of the elastic element are respectively fixedly connected with the screen cylinder and the base.

As further optimization, the drive assembly comprises a motor arranged on the base, a crank connected with the output end of the motor and a connecting rod, wherein the two ends of the connecting rod are hinged to the crank and the vibrating rod respectively, and a sleeve which is arranged along the vertical direction and is used for being connected with the vibrating rod in a sliding mode is arranged at the bottom of the screen cylinder.

As further optimization, the number of the vibrating rods is two, and the two vibrating rods are symmetrically arranged on two sides of the middle shaft of the screen drum along the vertical direction.

As a further optimization, one side of the sieve plate close to the discharge hopper is inclined downwards.

As a further optimization, the sieve plates are arranged in two, and the two sieve plates are arranged in parallel.

As a further optimization, sieve holes are respectively arranged on the plate surfaces of the sieve plates, and the diameter of the sieve hole of the sieve plate positioned above is larger than that of the sieve hole of the sieve plate positioned below.

As further optimization, the discharge hopper comprises a first discharge hopper and a second discharge hopper which correspond to the two sieve plates respectively, and a third discharge hopper corresponding to the bottom plate of the sieve barrel is arranged on the side wall of the sieve barrel.

As further optimization, be equipped with the sieve frame that sets up and be used for the bearing sieve around the inner wall of a sieve section of thick bamboo on the sieve section of thick bamboo, be equipped with on the sieve frame be used for with the joint groove of sieve joint.

As further optimization, the feed hopper is arranged at the center of the top of the screen cylinder, and a cover plate hinged with the feed hopper is arranged at the top of the feed hopper.

The utility model provides a mineral screening device's beneficial effect lies in: the mineral screening device provided by the utility model realizes the vibration effect of the driving component on the sieve plates through the vibrating rods connected with the sieve plates, thereby not only improving the utilization rate of equipment, but also reducing the investment of the equipment; in addition, in the process that the vibrating rod drives the sieve plate to move up and down, the elastic element arranged below the sieve cylinder enables the sieve plate and the sieve cylinder to move up and down relatively, so that high-moisture or viscous materials blocked on the sieve plate fall off from sieve holes of the sieve plate, the sieve plate is prevented from being blocked, and the sieving efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic cross-sectional structural view of a mineral screening apparatus provided in an embodiment of the present invention;

fig. 2 is a partial sectional view of the direction a in fig. 1.

In the figure: 100. a base; 200. a drive assembly; 210. a motor; 220. a crank; 230. a connecting rod; 300. a screen cylinder; 310. a sieve plate; 320. a vibrating rod; 330. a discharge hopper; 331. a first discharge hopper; 332. a second discharge hopper; 333. a third discharge hopper; 340. a feed hopper; 341. a cover plate; 350. a screen frame; 360. a sleeve; 400. an elastic element; 410. a first guide post; 420. and a second guide post.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 2 together, a mineral screening apparatus according to the present invention will now be described. The mineral screening device comprises a base 100, a driving assembly 200, a screen drum 300 and a plurality of elastic elements 400; the driving assembly 200 is disposed above the base 100 and the output end moves in the up-and-down direction; the main shafts of the elastic elements 400 are arranged above the base 100 along the up-down direction, and the elastic elements 400 are respectively positioned on the periphery of the driving assembly 200; the bottom surface of a sieve section of thick bamboo 300 links to each other with the upper end of a plurality of elastic element 400, is equipped with two at least sieve plates 310 in the sieve section of thick bamboo 300, and the vibrating arm 320 that the sieve plate 310 set up through the bottom surface that runs through a sieve section of thick bamboo 300 links to each other with drive assembly 200's output, is equipped with a plurality of on the lateral wall of a sieve section of thick bamboo 300 and goes out hopper 330 and the top that corresponds with sieve plate 310 respectively and is equipped with feeder. It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. The terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In this embodiment, adopt drive assembly 200 to drive the motion of vibrating arm 320, and then drive the form of a sieve 310 and a sieve section of thick bamboo 300 motion, the effectual problem of the sieve mesh of blockking up sieve 310 easily that has avoided the tradition to adopt a vibrating screen section of thick bamboo 300 to cause, when vibrating arm 320 drives a sieve section of thick bamboo 300 up-and-down motion, a sieve section of thick bamboo 300 receives the reaction force of below elastic element 400, can realize the impact vibrations to sieve 310, the effectual clearance of impurity in the sieve mesh of having realized, the good screening performance of sieve 310 has been guaranteed. The driving assembly 200 is arranged below the screen drum 300, so that the vibrating rod 320 is driven to move up and down, the hydraulic cylinder with the upward output end can be adopted, the crank 220 and connecting rod 230 mechanism can be adopted to drive the vibrating rod 320 to move up and down, and a good screening effect can be realized.

Compared with the prior art, the mineral screening device provided by the utility model realizes the vibration effect of the driving component 200 on the sieve plate 310 through the vibrating rods 320 connected with the sieve plates 310, thereby not only improving the equipment utilization rate, but also reducing the equipment investment; in addition, in the process that the vibrating rod 320 drives the screen plate 310 to move up and down, the elastic element 400 arranged below the screen cylinder 300 enables the screen plate 310 and the screen cylinder 300 to move up and down relatively, so that high-moisture or viscous materials blocked on the screen plate 310 fall off from the screen holes of the screen plate 310, the screen plate 310 is prevented from being blocked, and the screening efficiency is improved.

Referring to fig. 1, as a specific embodiment of the mineral screening apparatus of the present invention, a plurality of first guide pillars 410 extending downward are disposed at the bottom of the screen cylinder 300, a plurality of second guide pillars 420 corresponding to the first guide pillars 410 are disposed at the top of the base 100, the elastic element 400 is a compression spring having upper and lower ends respectively sleeved on the peripheries of the first guide pillars 410 and the second guide pillars 420, and the upper and lower ends of the elastic element 400 are respectively fixedly connected to the screen cylinder 300 and the base 100. Elastic element 400 can realize the support to a top sieve section of thick bamboo 300, can also provide certain reverse buffer power simultaneously when a sieve section of thick bamboo 300 receives the power of up-and-down motion, realizes the vibration effect to sieve 310 in a sieve section of thick bamboo 300, and then realizes cleaing away the synchronization of sieve mesh, guarantees sieve 310's screening efficiency, improves screening speed. The arrangement of the first guide pillar 410 and the second guide pillar 420 can limit the upper end and the lower end of the elastic element 400 respectively, so that the longitudinal stability of the elastic element 400 is improved, the screen drum 300 can move smoothly in the up-down direction, and the screen drum 300 is prevented from being inclined.

Referring to fig. 1 to 2, as an embodiment of the mineral screening apparatus of the present invention, the driving assembly 200 includes a motor 210 disposed on the base 100, a crank 220 connected to an output end of the motor 210, and a connecting rod 230 having two ends hinged to the crank 220 and the vibrating rod 320, respectively, and a sleeve 360 disposed along an up-down direction and slidably connected to the vibrating rod 320 is disposed at a bottom of the screen cylinder 300. Adopt crank 220 connecting rod 230 mechanism as drive assembly 200 in this embodiment, utilize motor 210's output shaft drive crank 220, realize that the outer end of crank 220 drives the effect of vibrating arm 320 along the up-and-down direction motion, sleeve 360 of a sieve section of thick bamboo 300 below can realize effective spacing to the motion of vibrating arm 320, avoids a sieve section of thick bamboo 300 to appear crooked, guarantees that a sieve section of thick bamboo 300 can carry out the continuous stable screening.

Referring to fig. 1, as an embodiment of the mineral screening apparatus of the present invention, two vibrating rods 320 are provided, and the two vibrating rods 320 are symmetrically disposed on two sides of the center axis of the screen drum 300 along the vertical direction. The upper end of vibrating arm 320 and the bottom fixed connection of the sieve 310 that is located the top, vibrating arm 320 passes through periphery and the sieve 310 fixed connection who is located the below, vibrating arm 320 can set up to a plurality of forms on the face of sieve 310, and adopt the mode of laying of evenly arranging on the face, in this embodiment, vibrating arm 320 sets up to two forms, can realize the support to sieve 310 different positions, adopt the symmetry to set up the form in axis both sides and can guarantee that sieve 310 both sides atress is balanced, avoid the unilateral atress to cause the uneven problem that leads to a sieve section of thick bamboo 300 of below elastic element 400 atress, and then avoid the problem that the screening is thoroughly just deviate from play hopper 330.

Referring to fig. 1 to 2, as an embodiment of the mineral screening apparatus of the present invention, a side of the screening plate 310 close to the discharge hopper 330 is inclined downward. In order to realize smooth movement of the remaining material screened on the screen plate 310 to one side of the discharge hopper 330 and further discharge the material, when the screen plate 310 is installed, a certain included angle is formed between the plate surface of the screen plate 310 and the horizontal plane, so that one side close to the discharge hopper 330 has a downward inclination trend, further the movement of the material to one side of the discharge hopper 330 is realized, and the rapid discharge of the material is promoted.

Referring to fig. 1, as an embodiment of the mineral screening apparatus of the present invention, there are two screening plates 310, and the two screening plates 310 are disposed in parallel. The screen holes are respectively arranged on the plate surfaces of the screen plates 310, and the diameter of the screen hole of the screen plate 310 positioned above is larger than that of the screen hole of the screen plate 310 positioned below. Sieve 310 adopts the form that sets up a plurality of, can realize screening step by step of material, adopt the form that sets up two sieve plates 310 in this embodiment, can realize the sifting out of the material of two kinds of different particle sizes, the diameter of the sieve mesh of the sieve plate 310 that is located the top is great, can realize the elementary screening of material, the material that falls down in the sieve mesh is through the screening of the sieve plate 310 that is located the below, the material that the particle size is placed in the middle is stayed on the surface that is located the sieve plate 310 of lower floor, the minimum material of particle size falls to the bottom of a sieve section of thick bamboo.

Referring to fig. 1 to 2, as an embodiment of the mineral screening apparatus of the present invention, the discharge hopper 330 includes a first discharge hopper 331 and a second discharge hopper 332 corresponding to the two sieve plates 310, respectively, and a third discharge hopper 333 corresponding to the bottom plate of the sieve cylinder 300 is disposed on the sidewall of the sieve cylinder 300. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. The first discharge hopper 331 corresponds to the upper sieve plate 310, the second discharge hopper 332 corresponds to the lower sieve plate 310, the third discharge hopper 333 corresponds to the sieve tube 300, and the outlet ends of the three parts correspond to different conveying rails or conveying belts, so that classified conveying of materials is realized, and the materials are used in subsequent corresponding process steps.

Referring to fig. 1, as a specific embodiment of the mineral screening apparatus provided by the present invention, a sieve plate frame 350 disposed around an inner wall of the sieve cylinder 300 and used for supporting the sieve plate 310 is disposed on the sieve cylinder 300, and a clamping groove for clamping with the sieve plate 310 is disposed on the sieve plate frame 350. The setting of sieve plate frame 350 is used for realizing the effective connection between sieve 310 and a sieve section of thick bamboo 300, and sieve plate frame 350 is fixed on the inner wall of a sieve section of thick bamboo 300, and the outward flange of sieve plate 310 adopts the form with sieve plate frame 350 joint, can drive sieve plate frame 350 and a sieve section of thick bamboo 300 and carry out the ascending motion of upper and lower side under the drive action of vibrating arm 320, guarantees stable drive effect, avoids sieve plate 310 and sieve section of thick bamboo 300 to be connected not firm problem.

Referring to fig. 1, as a specific embodiment of the mineral screening apparatus of the present invention, a feeding hopper 340 is disposed at the center of the top of a screen drum 300, and a cover plate 341 hinged to the feeding hopper 340 is disposed at the top of the feeding hopper 340. The cover plate 341 above the feed hopper 340 is arranged to ensure that the inside of the screen drum 300 is relatively sealed, so that the flying of powder in the screening process is avoided, and the cleanness of the working environment of workers is ensured.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Mineral screening device, its characterized in that includes:

a base (100);

the driving assembly (200) is arranged above the base (100) and the output end of the driving assembly moves along the vertical direction;

the main shaft is arranged above the base (100) along the vertical direction, and the elastic elements (400) are respectively positioned on the periphery of the driving component (200); and

sieve section of thick bamboo (300), bottom surface and a plurality of the upper end of elastic element (400) links to each other, be equipped with two at least sieve (310) in sieve section of thick bamboo (300), sieve (310) through running through vibrating arm (320) that the bottom surface of sieve section of thick bamboo (300) set up with the output of drive assembly (200) links to each other, be equipped with on the lateral wall of sieve section of thick bamboo (300) a plurality of respectively with play hopper (330) that sieve (310) correspond just the top of sieve section of thick bamboo (300) is equipped with feeder hopper (340).

2. The mineral screening apparatus according to claim 1, wherein a plurality of first guide pillars (410) extending downward are disposed at the bottom of the screen cylinder (300), a plurality of second guide pillars (420) corresponding to the first guide pillars (410) up and down are disposed at the top of the base (100), the elastic element (400) is a compression spring having upper and lower ends respectively sleeved on the peripheries of the first guide pillars (410) and the second guide pillars (420), and the upper and lower ends of the elastic element (400) are respectively fixedly connected with the screen cylinder (300) and the base (100).

3. The mineral screening apparatus according to claim 1, wherein the driving assembly (200) includes a motor (210) disposed on the base (100), a crank (220) connected to an output end of the motor (210), and a connecting rod (230) having two ends respectively hinged to the crank (220) and the vibrating rod (320), and a sleeve (360) disposed in an up-and-down direction and slidably connected to the vibrating rod (320) is disposed at a bottom of the screen drum (300).

4. The mineral screening apparatus according to claim 1, wherein the number of the vibration rods (320) is two, and the two vibration rods (320) are symmetrically arranged at both sides of the central axis of the screen drum (300) in the up-down direction.

5. Mineral screening apparatus according to claim 1, wherein the side of the screen deck (310) adjacent the discharge hopper (330) is inclined downwardly.

6. Mineral screening apparatus according to claim 5, characterized in that there are two screening decks (310) and that the two screening decks (310) are arranged parallel to each other.

7. The mineral screening apparatus according to claim 6, wherein the screen deck (310) is provided with screen holes on the screen deck, and the diameter of the screen hole of the screen deck (310) positioned above is larger than that of the screen hole of the screen deck (310) positioned below.

8. Mineral screening apparatus according to claim 7, characterized in that the discharge hoppers (330) comprise a first (331) and a second (332) discharge hopper corresponding to the two screening decks (310), respectively, and in that the side walls of the screen drum (300) are provided with third discharge hoppers (333) corresponding to the floor of the screen drum (300).

9. The mineral screening device of claim 1, characterized in that, a screen plate frame (350) which is arranged around the inner wall of the screen drum (300) and used for supporting the screen plate (310) is arranged on the screen drum (300), and a clamping groove used for clamping with the screen plate (310) is arranged on the screen plate frame (350).

10. Mineral screening arrangement according to any one of claims 1-9, characterized in that the feed hopper (340) is arranged at the top center of the screen drum (300) and the top of the feed hopper (340) is provided with a cover plate (341) hinged to the feed hopper (340).