CN214439933U - Ore grinder with classified screening structure - Google Patents

Abstract

The utility model discloses an ore grinding processing technology field, in particular to an ore grinding device with a grading screening structure, comprising a grinding box, a screening box and two groups of needle rollers, wherein the screening box is arranged at the upper end of the grinding box, the upper end of the screening box is provided with a feed inlet, box plates at two sides of the screening box are correspondingly provided with an inserting port and a discharge port, and the two discharge ports are respectively connected with the upper ends of a first discharge pipe and a second discharge pipe, the lower ends of the first discharge pipe and the second discharge pipe are inserted and arranged at the upper end of the grinding box, two groups of screen plates are obliquely arranged in the screening box in a vertically staggered way, the grinding device separates ore raw materials through the action of the arranged screening box, and the efficiency is greatly improved, meanwhile, aiming at the condition that the screen plates are blocked by earth under the actual condition, a cleaning structure is specially arranged, and only the needle rollers are needed to directly clean, meanwhile, different sieve plates can be replaced at will under different working environments, and the sieve plate replacing device is simple to operate and convenient to operate.

Description

Ore grinder with classified screening structure

Technical Field

The utility model relates to an ore grinds processing technology field, specifically is an ore grinder with classified screening structure.

Background

Ore refers to a collection of minerals mined from an ore body from which useful constituents (elements, compounds or minerals) can be extracted, the ore being formed in various geological mineralizations, the different geological mineralizations forming ores with different characteristics, and the widely used ore crushing methods remain mechanical crushing, including: extrusion, impact, grinding and splitting, the existing grinding machine is a pouring grinding wheel for grinding ores, and finally obtained finished products can be reprocessed for two times or even three times, so that the sizes of the ores need to be classified and screened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ore grinder with hierarchical screening structure 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: the screening box is arranged at the upper end of the grinding box, a feeding hole is formed in the upper end of the screening box, box plates on two sides of the screening box are correspondingly provided with an inserting port and a discharging hole, the two discharging holes are respectively connected with the upper ends of a first discharging pipe and a second discharging pipe, the lower ends of the first discharging pipe and the second discharging pipe are inserted into the upper end of the grinding box, two groups of screen plates are obliquely arranged inside the screening box in an up-and-down staggered mode, sliding rails are arranged at the lower ends of two sides of each screen plate, through grooves are formed in two sides of each screen plate, through holes are formed in lower groove plates at one ends of the through grooves, I-shaped sliding rods are inserted into the through holes, first springs are sleeved outside round rods of the I-shaped sliding rods and are arranged in the through grooves, T-shaped sliding grooves are formed in the upper ends of the sliding rails, sliding blocks at the lower ends of the I-shaped sliding rods are arranged in the T-shaped sliding grooves, mounting grooves are formed in two box plates on one side of the inserting port of the screening box, and a limiting strip is arranged in the mounting groove through a rotating shaft, a second spring is arranged between the upper end of the limiting strip and a groove plate of the mounting groove, the needle rollers are horizontally fixed on the movable blocks through central shafts at two ends, the lower ends of the movable blocks are in contact with supporting blocks, the upper ends of the movable blocks are arranged inside side box plates of the screening box through third springs, and the supporting blocks are arranged at the upper ends of two sides of the screening plate at the insertion joint.

Preferably, the T-shaped chute is formed by downwards arc-shaped arrangement of the insertion port and the discharge port in sequence, and a handle is arranged on the outer side of one end of the insertion port of the sieve plate.

Preferably, the two ends of the limiting strip are provided with positioning blocks, the two sides of the moving block and the two sides of the sieve plate are correspondingly provided with positioning grooves, and when the upper end positioning block is arranged in the upper end positioning groove, the lower end positioning block leaves the lower end positioning groove.

Preferably, the ejector pins of the needle rollers are arranged corresponding to the holes of the sieve plate, and the diameter of the ejector pins is smaller than that of the holes.

Preferably, one end of the supporting block is provided with an inclined plane, one side of the upper end of the supporting block is provided with a rectangular boss, and one end of the boss is arc-shaped.

Compared with the prior art, the beneficial effects of the utility model are that: this grinder separates the ore raw materials through the screening case effect that sets up, and the pertinence is ground, greatly raises the efficiency, simultaneously to the condition that the earth under the actual conditions blockked up the sieve, is equipped with the clearance structure specially, only needs directly clear up through the needle roller, simultaneously to different operational environment under, also can trade different sieves at will, and easy operation, the operation is convenient, and application scope is wide.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side view of the upper screen plate structure of the present invention;

FIG. 3 is a schematic view of the appearance structure of the present invention;

FIG. 4 is a schematic view of the support block of the present invention;

fig. 5 is a schematic view of the position a of the present invention.

In the figure: grinding box 1, screening box 2, feed inlet 3, first discharging pipe 4, second discharging pipe 5, screen plate 6, slide rail 7, I-shaped slide rod 8, first spring 9, spacing strip 10, second spring 11, needle roller 12, supporting block 13, third spring 14.

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 an ore grinding device with a classifying and screening structure: the grinding box comprises a grinding box 1, a screening box 2 and two groups of needle rollers 12, wherein the screening box 2 is arranged at the upper end of the grinding box 1, a feeding hole 3 is formed in the upper end of the screening box 2, box plates on two sides of the screening box 2 are correspondingly provided with an inserting port and a discharging port, the two discharging ports are respectively connected with the upper ends of a first discharging pipe 4 and a second discharging pipe 5, the lower ends of the first discharging pipe 4 and the second discharging pipe 5 are inserted and arranged at the upper end of the grinding box 1, two groups of screen plates 6 are obliquely arranged in the screening box 2 in an up-and-down staggered manner, sliding rails 7 are arranged at the lower ends of two sides of each screen plate 6, through grooves are formed in two sides of each screen plate 6, through holes are formed in a lower groove plate at one ends of the through grooves, I-shaped sliding rods 8 are inserted and connected in the through holes, T-shaped sliding grooves are sequentially arranged downwards in an arc shape from the inserting port and the discharging port, handles are arranged on the outer sides of one ends of the inserting ports of the screen plates 6, first springs 9 are sleeved outside the round rods of the I-shaped sliding rods 8, and the first spring 9 is arranged in the through groove, the upper end of the slide rail 7 is provided with a T-shaped chute, the lower end slide block of the I-shaped slide rod 8 is arranged in the T-shaped chute, the two box plates at one side of the insertion port of the screening box 2 are provided with mounting grooves, the mounting grooves are internally provided with limiting strips 10 through rotating shafts, second springs 11 are arranged between the upper ends of the limiting strips 10 and the groove plates of the mounting grooves, both ends of the limiting strips 10 are provided with positioning blocks, both sides of the moving block and the screen plate 6 are correspondingly provided with positioning grooves, when the positioning blocks at the upper ends are arranged in the positioning grooves at the upper ends, the positioning blocks at the lower ends leave the positioning grooves at the lower ends, the needle rollers 12 are fixed on the horizontal moving block through central shafts at both ends, the lower ends of the moving block are contacted with the supporting block 13, the upper ends are arranged in the side box plates of the screening box 2 through the third spring 14, the thimbles of the needle rollers 12 are arranged corresponding to the eyelets of the screen plate, and the diameters of the thimbles are smaller than the diameters of the eyelets, the support block 13 is arranged at the upper ends of two sides of the sieve plate 6 at the inserting port, one end of the support block 13 is provided with an inclined plane, a rectangular boss is arranged on one side of the upper end, and one end of the boss is arc-shaped.

The working principle is as follows: when ores are needed to be ground, the ores are poured into a screening box 2 through a feeding hole 3, the ores can fall on an upper screen plate firstly, then small particles fall on a lower screen plate, and then small particles directly fall into a grinding box, otherwise large ores can be discharged into the grinding box 1 connected with the discharging pipes in a welding mode through a first discharging pipe 4 and a second discharging pipe 5 respectively for grinding treatment, after the long-time use, the screen plate can be blocked, at the moment, a handle at one section of the screen plate 6 is held and pulled outwards, a limiting strip 10 can perform displacement of an upper positioning block and a lower positioning block under the action of a strip-shaped lug at the upper end of a supporting block 13, after the supporting block 13 is completely pulled out, a needle roller 12 can descend under the action of a third spring, a thimble is rolled to be aligned with a screen hole positioning block of the screen plate 6, meanwhile, the upper end of the limiting strip is clamped into a positioning groove, the needle roller is buckled and cannot move up and down, and then the cleaning can be completed after the needle roller is pulled back and forth, then insert one end of the supporting shoe 13, the locating piece of upper end keeps away from the locating slot under the influence of the arc-shaped lug at this moment, the locating piece of the lower end is buckled into the locating slot of the lower end, the needle roller 12 is moved up under the influence of movable block and third spring, finish the cleaning, the sieve plate 6 keeps the line connection of playing always under the influence of first spring 9 through the I-shaped slide rod 8 in the period, when needing to follow and trade the sieve plate 6, draw out one end of the supporting shoe with the same way, then draw out the sieve plate 6, the lower end slide block of the I-shaped slide rod 8 draws out the T-shaped chute at this moment, place the lower end slide block of the I-shaped slide rod 8 in the T-shaped chute while installing, along with the function direct insertion of the I-shaped slide rod 8 and slide rail 7 can.

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 (5)

1. The utility model provides an ore grinder with classified screening structure, includes grinding case (1), screening case (2) and two sets of needle rollers (12), its characterized in that: the screening box (2) is arranged at the upper end of the grinding box (1), a feeding hole (3) is formed in the upper end of the screening box (2), box plates on two sides of the screening box (2) are correspondingly provided with an inserting port and a discharging port, the two discharging ports are respectively connected with the upper ends of a first discharging pipe (4) and a second discharging pipe (5), the lower ends of the first discharging pipe (4) and the second discharging pipe (5) are inserted and arranged at the upper end of the grinding box (1), two groups of sieve plates (6) are obliquely arranged inside the screening box (2) in an up-and-down staggered mode, sliding rails (7) are arranged at the lower ends of two sides of each sieve plate (6), through grooves are formed in two sides of each sieve plate (6), through holes are formed in the lower groove plates at one ends of the through grooves, I-shaped sliding rods (8) are inserted and connected in the through holes, first springs (9) are sleeved outside the round rods of the I-shaped sliding rods (8), and the first springs (9) are arranged in the through grooves, the screening box is characterized in that T-shaped sliding grooves are formed in the upper ends of the sliding rails (7), lower end sliding blocks of the I-shaped sliding rods (8) are arranged in the T-shaped sliding grooves, mounting grooves are formed in two box plates on one side of a plug-in port of the screening box (2), limiting strips (10) are arranged in the mounting grooves through rotating shafts, second springs (11) are arranged between the upper ends of the limiting strips (10) and the groove plates of the mounting grooves, the needle rollers (12) are horizontally fixed on the moving blocks through center shafts at two ends, the lower ends of the moving blocks are in contact with supporting blocks (13), the upper ends of the needle rollers are arranged inside side box plates of the screening box (2) through third springs (14), and the supporting blocks (13) are arranged at the upper ends of two sides of a screening plate (6) located at the plug-in port.

2. The ore grinding apparatus with a classifying screen structure according to claim 1, wherein: the T-shaped sliding groove is formed by downwards arc-shaped insertion ports and a discharge port in sequence, and a handle is arranged on the outer side of one end of each insertion port of the sieve plate (6).

3. The ore grinding apparatus with a classifying screen structure according to claim 1, wherein: the two ends of the limiting strip (10) are respectively provided with a positioning block, the two sides of the moving block and the sieve plate (6) are correspondingly provided with a positioning groove, and when the upper end positioning block is arranged in the upper end positioning groove, the lower end positioning block leaves the lower end positioning groove.

4. The ore grinding apparatus with a classifying screen structure according to claim 1, wherein: the ejector pins of the needle roller (12) are arranged corresponding to the holes of the sieve plate, and the diameter of the ejector pins is smaller than that of the holes.

5. The ore grinding apparatus with a classifying screen structure according to claim 1, wherein: one end of the supporting block (13) is provided with an inclined plane, one side of the upper end of the supporting block is provided with a rectangular boss, and one end of the boss is arc-shaped.

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