CN211190949U

CN211190949U - Colliery ore sorting unit

Info

Publication number: CN211190949U
Application number: CN201920728262.8U
Authority: CN
Inventors: 曹伟康; 许梦斌; 刘平喜; 王进锋; 杨志强
Original assignee: Shanxi County Laomupo Coal Industry Co ltd
Current assignee: Shanxi County Laomupo Coal Industry Co ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-08-07
Anticipated expiration: 2029-05-20

Abstract

The utility model discloses a coal mine ore sorting device, which comprises a screening unit and a supporting rod for supporting the screening unit, wherein the bottom of the screening unit is movably connected with the supporting rod through a vibrating mechanism; the screening unit is provided with the sieve that at least two-stage is stair-stepping and arranges in its vertical space in place, treats that the screening material falls into the peak of first order sieve, and the oversize thing of each grade sieve is collected respectively, and the undersize thing gets into the eminence of next stage sieve, and the oversize thing and the undersize thing of last one-level sieve are collected respectively. The utility model provides a colliery ore sorting unit's advantage lies in simple structure, low cost, and the screening is rapid, meticulous, has good popularization prospect.

Description

Colliery ore sorting unit

Technical Field

The utility model relates to a coal mine equipment technical field specifically is a colliery ore sorting unit.

Background

The coal mine ore is mainly sorted by utilizing the difference of the physical property and the chemical property of the coal mine ore. At present, the common mode is that firstly, impurities in coal mine ores are removed by a mechanical method, then the coal mine ores are sorted and are divided into the coal mine ores with different sizes and specifications. The coal dressing method mainly comprises a wet method and a dry method, and the dry method has the advantages of simple coal dressing process, low cost and high efficiency. However, the existing dry-method coal mine ore separation equipment is not fine enough in separation grade and low in separation efficiency. Therefore, a new coal mine ore sorting device is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery ore sorting unit to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a coal mine ore sorting device comprises a screening unit and a supporting rod for supporting the screening unit, wherein the bottom of the screening unit is movably connected with the supporting rod through a vibrating mechanism; the screening unit is provided with the sieve that at least two-stage is stair-stepping and arranges in its vertical space in place, treats that the screening material falls into the peak of first order sieve, and the oversize thing of each grade sieve is collected respectively, and the undersize thing gets into the eminence of next stage sieve, and the oversize thing and the undersize thing of last one-level sieve are collected respectively.

Preferably, the vibration mechanism comprises a vibration plate fixedly connected with the bottom of the screening unit, a longitudinal limiting rod is fixed on each support rod along the vertical direction, the vibration plate and the longitudinal limiting rod are freely matched along the vertical direction, and a spring is sleeved on the longitudinal limiting rod at least below the vibration plate; a polarization motor is fixed at the approximate center of the vibration plate.

Preferably, the upper and lower sides of the vibrating plate are provided with springs which are sleeved on the longitudinal limiting rod and limited from the end part of the longitudinal limiting rod to the surface of the vibrating plate.

Preferably, the vibration mechanism comprises two groups of transverse connecting rods fixedly connected with the limiting rod along the horizontal direction at different heights, at least two transverse connecting rods uniformly arranged at each height are arranged, each group of transverse connecting rods is provided with a movable plate freely matched with the transverse connecting rods along the horizontal direction, and springs abutted against the side surfaces of the movable plates are sleeved on two sides of each transverse connecting rod respectively; a plurality of longitudinal connecting rods are uniformly arranged between the two movable plates, bottom bracing plates freely matched with the longitudinal connecting rods along the longitudinal direction are sleeved on the longitudinal connecting rods, and springs abutted against the bottom bracing plates are sleeved on the longitudinal connecting rods at least below the bottom bracing plates; the movable plate part above is hollowed out, and a plurality of mounting rods which penetrate through the hollowed part and are fixedly connected with the screening unit are arranged on the bottom supporting plate; the bottom supporting plate is fixed with a polarization motor.

Preferably, the screen plate comprises a screen mesh on the upper layer and a material guide plate on the lower layer, and the screen mesh size of the screen plate gradually becomes smaller from top to bottom.

Preferably, the surface of the screen is provided with a stop bar perpendicular to the material walking direction.

Preferably, the stop strips are arranged discontinuously along the length direction, and adjacent stop strips are mutually staggered and shielded along the material conveying direction.

Preferably, a baffle plate positioned outside the screening unit is fixedly arranged on the support rod, and a discharge hole is formed in the tail end of the upper-layer screen mesh of each stage of the screen plate on the baffle plate.

Preferably, the end of the screen extends beyond the feeding end of the discharge port, and the end of the screen is suspended or flexibly connected with the feeding end of the discharge port.

Preferably the top of the screening unit has a feed hopper with a discharge direction substantially towards the highest of the first deck.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses in, the colliery ore gets into first sieve from the lower extreme of feeder hopper, then passes through second sieve, third sieve and fourth sieve in proper order, is separated according to the size after meanwhile under vibrating motor's effect the colliery ore is shaken to disperse, and the colliery ore after the separation is derived from the stock guide of difference. Under the action of the cross guide rod and the loop rod, the vibrating plate can vibrate back and forth along the cross guide rod. Under the guide effect of vertical guide pole, the vibration board can vibrate from top to bottom along vertical guide pole, and the spring can increase the amplitude of vibration, and vibration efficiency is higher, selects separately rapider. The blend stop can delay the moving speed of coal mine ores and improve the screening accuracy. The material receiving plate can assist coal mine ores passing through the upper-layer sieve plate to enter the lower-layer sieve plate. The utility model relates to a simple structure, low cost, screening is rapid, meticulous colliery ore sorting unit.

Drawings

Fig. 1 is a schematic structural diagram of a coal mine ore sorting device provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a vibrating mechanism in a coal mine ore sorting device provided by the embodiment of the utility model.

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, the coal mine ore sorting device provided by the embodiment includes a screening unit 1 and a support rod 2 supporting the screening unit 1, wherein the bottom of the screening unit 1 is movably connected with the support rod 2 through a vibrating mechanism 3; screening unit 1 is provided with the sieve 4 that at least two-stage is stair-stepping arrangement in its vertical space of place, and the material falls into the position of the roughly highest point of first order sieve 4 through mechanical transmission or the mode of artifical interpolation, and the oversize thing after every grade of sieve 4 screening is collected respectively, and the undersize thing gets into the higher department of next level sieve 4, and the oversize thing and the undersize thing of last one-level sieve 4 are collected respectively, consequently if treating that the screening material need be divided into n different scope according to the size, use the sorting unit that this embodiment provided to need set up n-1 sieve 4.

The sieve plate 4 comprises a screen 41 on the upper layer and a material guide plate 42 on the lower layer, from top to bottom, the aperture of the screen 41 on the sieve plate 4 gradually decreases, and the material with smaller particle size falls onto the material guide plate 42 and enters the next-stage sieve plate 4 along the material guide plate 42; the larger sized material rolls off the screening unit 1 along the surface of the screen 41.

The surface of the screen 41 is also provided with a stop bar 43 vertical to the material traveling direction, so that the material movement speed is limited, and the screening effect is improved; in the preferred embodiment, the stop strips 43 are intermittently arranged along the length direction thereof, and adjacent stop strips 43 are staggered and shielded with each other along the material conveying direction. Thereby be convenient for can't cross the material of shelves strip 43 from shelves strip 43 edge whereabouts, can let the material scatter gradually at the in-process that glides through the effect of blockking of shelves strip 43, be convenient for small-particle diameter material fall on lower floor stock guide 42.

Fixed setting is gone up to bracing piece 2 and is being screened baffle 5 that unit 1 enclosed, the end of upper screen cloth 41 at each grade sieve 4 on baffle 5 is provided with discharge gate 51, looks along vertical direction, the terminal feed end that exceeds feed inlet 51 that extends of screen cloth 41, and the terminal unsettled setting or the flexible coupling of feed end with discharge gate 51 of screen cloth 41, when screening unit 1 vibrates, the material in the screen cloth 41 is ensured to be able to get into discharge gate 51, and discharge gate 51 can not hinder the vibration of screening unit 1.

The vibrating mechanism 3 comprises a vibrating plate 31 fixedly connected with the bottom of the screening unit, a longitudinal limiting rod 32 is fixed on each supporting rod 2 along the vertical direction, the vibrating plate 31 and the longitudinal limiting rod 32 are freely matched along the vertical direction, a spring 33 is sleeved on the total limiting rod 32 at least below the vibrating plate 31, a polarization motor 34 is fixed at the approximate central position of the vibrating plate 31, the vibrating plate 31 can be driven to vibrate along the vertical direction through the action of the polarization motor 34 and the elastic force of the spring 33, springs 33 are respectively arranged above and below the vibrating plate 31 in the preferred embodiment, so that the motion of the vibrating plate 31 is more regular, and the polarization motor 34 is arranged at the bottom of the vibrating plate 31.

Referring to fig. 2, another embodiment of the vibration mechanism provided in the present application includes two sets of transverse links 61 fixedly connected to the support rod 2 along the horizontal direction at different heights, at least two uniformly arranged transverse links 61 are provided at each height, each set of transverse links 61 is sleeved with a movable plate 62 freely matched with the transverse link 61 along the horizontal direction, two sides of the transverse links 61 are respectively sleeved with a spring 65 abutted against the side surface of the movable plate 62, a plurality of longitudinal links 63 are uniformly provided between the two movable plates 62, the longitudinal links 63 are sleeved with a bottom bracing plate 64 expected to freely match along the longitudinal direction, the longitudinal links 63 are sleeved with springs 65 abutted against the bottom bracing plate 64 at least below the bottom bracing plate 64, and springs 65 are provided at the upper and lower parts in the preferred embodiment; the upper movable plate 62 is partially hollowed, the bottom supporting plate 64 is provided with a plurality of mounting rods 66 which penetrate through the hollowed parts and are fixedly connected with the screening unit 1, and the bottom supporting plate 64 is fixed with a polarization motor (not shown). The bottom supporting plate 64 can be driven to move along the length direction of the longitudinal connecting rod 63 through the vibration of the motor, and the upper movable plate 62 and the lower movable plate 62 which are used for fixing the longitudinal connecting rod 63 can move along the horizontal direction respectively, so that the moving dimension of the screening unit is improved, and the screening effect is improved.

Referring to fig. 1 again, the top of screening unit 1 still is provided with feeder hopper 7, the ejection of compact direction of feeder hopper 7 is roughly towards the highest point of first order sieve, can use the mode of artifical material loading when using, also can directly carry the material to feeder hopper 7 through transport mechanism such as conveyer belt.

Claims

1. The utility model provides a colliery ore sorting unit which characterized in that: the screening device comprises a screening unit and a supporting rod for supporting the screening unit, wherein the bottom of the screening unit is movably connected with the supporting rod through a vibration mechanism; the screening unit is provided with the sieve that at least two-stage is stair-stepping and arranges in its vertical space in place, treats that the screening material falls into the peak of first order sieve, and the oversize thing of each grade sieve is collected respectively, and the undersize thing gets into the eminence of next stage sieve, and the oversize thing and the undersize thing of last one-level sieve are collected respectively.

2. The coal mine ore sorting device of claim 1, wherein: the vibrating mechanism comprises a vibrating plate fixedly connected with the bottom of the screening unit, a longitudinal limiting rod is fixed on each supporting rod along the vertical direction, the vibrating plate and the longitudinal limiting rod are freely matched along the vertical direction, and a spring is sleeved on the longitudinal limiting rod at least below the vibrating plate; a polarization motor is fixed at the approximate center of the vibration plate.

3. The coal mine ore sorting device of claim 2, wherein: the upper and the lower parts of the vibrating plate are provided with springs which are sleeved on the longitudinal limiting rod and limited from the end part of the longitudinal limiting rod to the surface of the vibrating plate.

4. The coal mine ore sorting device of claim 1, wherein: the vibration mechanism comprises two groups of transverse connecting rods which are fixedly connected with the limiting rod at different heights along the horizontal direction, at least two transverse connecting rods which are uniformly arranged are arranged at each height, each group of transverse connecting rods is sleeved with a movable plate which is freely matched with the transverse connecting rods along the horizontal direction, and springs which are abutted against the side surfaces of the movable plates are sleeved on two sides of each transverse connecting rod respectively; a plurality of longitudinal connecting rods are uniformly arranged between the two movable plates, bottom bracing plates freely matched with the longitudinal connecting rods along the longitudinal direction are sleeved on the longitudinal connecting rods, and springs abutted against the bottom bracing plates are sleeved on the longitudinal connecting rods at least below the bottom bracing plates; the movable plate part above is hollowed out, and a plurality of mounting rods which penetrate through the hollowed part and are fixedly connected with the screening unit are arranged on the bottom supporting plate; the bottom supporting plate is fixed with a polarization motor.

5. The coal mine ore sorting device of claim 1, wherein: the sieve plate comprises a sieve mesh on the upper layer and a material guide plate on the lower layer, and the aperture of the sieve mesh of the sieve plate is gradually reduced from top to bottom.

6. The coal mine ore sorting device of claim 5, wherein: and the surface of the screen is provided with a stop bar vertical to the material walking direction.

7. The coal mine ore sorting device of claim 6, wherein: the stop strips are arranged discontinuously along the length direction, and adjacent stop strips are mutually staggered and shielded along the material conveying direction.

8. The coal mine ore sorting device of claim 1, wherein: the fixed baffle that is in the screening unit outside that is provided with on the bracing piece, the end at the upper screen cloth of each grade sieve is provided with the discharge gate on the baffle.

9. The coal mine ore sorting device of claim 8, wherein: seen along the vertical direction, the tail end of the screen extends beyond the feeding end of the discharge port, and the tail end of the screen is suspended or in flexible connection with the feeding end of the discharge port.

10. The coal mine ore sorting device of claim 1, wherein: the top of the screening unit is provided with a feed hopper with a discharge direction approximately facing the highest part of the first-stage sieve plate.