CN219111840U

CN219111840U - Multistage crushing and screening device for ores

Info

Publication number: CN219111840U
Application number: CN202222938596.2U
Authority: CN
Inventors: 梁友乾; 寇明珠; 王永斌; 张玉彪; 侯铎; 雷瑶; 师伟红; 刘守信
Original assignee: Northwest Research Institute of Mining and Metallurgy
Current assignee: Northwest Research Institute of Mining and Metallurgy
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-06-02
Anticipated expiration: 2032-11-04

Abstract

The utility model discloses an ore multistage crushing and screening device, which belongs to the field of constructional engineering equipment, and comprises a frame, wherein a feeding bin is arranged at the top end of the frame, a pair of multistage crushing rollers are arranged in the frame through rotating shafts, the rotating shafts at one ends of the pair of multistage crushing rollers extend to the outer side of the frame through grooves, the rotating shafts at one ends of the pair of multistage crushing rollers are all in transmission connection with a first-stage crushing motor, a first-stage sieve and a first-stage ramp are arranged at the bottom end of the pair of multistage crushing rollers, a coarse material outlet is arranged at one side of the inner wall of the frame, a pair of secondary crushing rollers are arranged in the frame through the rotating shafts, a second-stage sieve is fixedly arranged at the bottom end of the inner wall of the frame, and a second-stage ramp is fixedly arranged at the bottom end of the inner wall of the frame, so that efficient crushing and screening in an indoor or narrow space can be realized, the pollution of the environment is effectively reduced, and the efficiency of engineering progress is improved.

Description

Multistage crushing and screening device for ores

Technical Field

The utility model relates to the field of constructional engineering equipment, in particular to an ore multistage crushing and screening device.

Background

In crushing medium hardness mineral samples such as limestone, slag, coke, coal and other materials in nonferrous metallurgy mines, coal mines and other industries, the raw materials need to be crushed and graded during fine crushing operation.

Based on the above, the present inventors found that: when construction operation is carried out in indoor or comparatively narrow and small space, to the stone that does not grade, because the restriction in place, need the operating personnel to erect the screen cloth of different apertures at the scene and carry out broken and many times manual screening, broken and screening are inhomogeneous, waste time and energy, the operating efficiency is low to environmental pollution influences the progress of engineering, so, has the reason to this, research and improvement to current structure, provides a multistage broken screening plant of ore to reach the purpose that has more practical value.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide the ore multistage crushing and screening device which can realize efficient crushing and screening in an indoor or narrow space, effectively reduce the environmental pollution and improve the engineering progress efficiency.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a multistage crushing screening plant of ore, includes the frame, the top of frame is provided with the feed bin, the inside of frame is installed one pair of level crushing roller through the pivot, a pair of the pivot of one end of one-level crushing roller extends to the outside of frame through logical groove, a pair of the equal transmission of pivot of one end of one-level crushing roller is connected with one-level crushing motor, a pair of one-level crushing roller bottom is equipped with one-level sieve and one-level ramp, one side of frame inner wall is provided with the coarse fodder export, a pair of second grade crushing roller is installed through the pivot to the inside of frame, a pair of the bottom fixed mounting of second grade crushing roller has the second grade sieve, a pair of the pivot of second grade crushing roller one end evenly extends to the outside of frame to the transmission is connected with the second grade crushing motor, the bottom of frame is provided with the fine material export, just the fine material export is located one side of second grade ramp.

Further, the charging bin is located at the middle position of the top end of the frame, and the inside of the charging bin is communicated with the inside of the frame.

Further, the positions of the primary crushing roller and the secondary crushing roller are symmetrical to each other, the primary crushing motor is fixedly connected with the outer wall of the frame through the support, and the secondary crushing motor is fixedly connected with the outer wall of the frame through the support.

Further, one end of the primary screen is connected with one side of the inner wall of the rack through a rotating shaft, and one end of the primary ramp is fixedly connected with one side of the primary screen through a connecting plate.

Further, one end of the primary ramp extends to the upper portion of the coarse material outlet, and one end of the primary ramp corresponds to the opening of the coarse material outlet.

Further, the pair of the secondary crushing rollers are located below the primary ramp, and the primary ramp and the secondary screen are both in a slope shape.

Further, the inside of second grade ramp is provided with the vibrator, just the equal fixedly connected with vibrating motor in both ends of vibrator, vibrating motor and the inner wall fixed connection of frame.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

this scheme, through setting up one-level crushing roller, two-level crushing roller, the vibrator, utilize one-level crushing roller, two-level crushing roller high-speed rotation carries out the splitting to the material and breaks, can effectually promote high productivity's mechanism, utilize vibrator and vibrating motor simultaneously for the shale shaker at every level can accurate cooperation operation, has guaranteed work efficiency, when the material falls into between two rollers through equipment upper portion charge door, relies on the effect of frictional force to be brought into the clearance between two rollers and is crushed gradually, the finished product material leaks out from the lower part and falls to the mesh screen, can effectually promote the efficiency of engineering progress through the device, and the convenience in the device use.

Drawings

FIG. 1 is a schematic perspective view of the structure of the present utility model;

FIG. 2 is a schematic plan view in elevation of a structure according to the present utility model;

FIG. 3 is a schematic plan view of the structure of the present utility model;

fig. 4 is a schematic plan side view in cross section of the structure of the present utility model.

The reference numerals in the figures illustrate:

1. a frame; 2. a feeding bin; 3. a primary crushing roller; 4. a primary crushing motor; 5. a first-stage screen; 6. a first grade ramp; 7. a coarse material outlet; 8. a secondary crushing roller; 9. a second-stage screen; 10. a secondary ramp; 11. a secondary crushing motor; 12. a fines outlet; 13. a vibrator; 14. a vibration motor.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Examples:

referring to fig. 1-4, an ore multistage crushing and screening device comprises a frame 1, a feeding bin 2 is arranged at the top end of the frame 1, a pair of multistage crushing rollers 3 are installed in the frame 1 through rotating shafts, the rotating shafts at one ends of the pair of multistage crushing rollers 3 extend to the outer side of the frame 1 through grooves, a first-stage crushing motor 4 is connected to the rotating shafts at one ends of the pair of multistage crushing rollers 3 in a transmission mode, a first-stage screen 5 and a first-stage ramp 6 are arranged at the bottom end of the pair of multistage crushing rollers 3, a coarse fodder outlet 7 is arranged at one side of the inner wall of the frame 1, a pair of secondary crushing rollers 8 are installed in the frame 1 through rotating shafts, a secondary screen 9 is fixedly installed at the bottom end of the inner wall of the frame 1, a secondary ramp 10 is fixedly installed at the bottom end of the inner wall of the frame 1, the rotating shafts at one ends of the pair of secondary crushing rollers 8 extend to the outer side of the frame 1 uniformly and are connected with a secondary crushing motor 11 in a transmission mode, a fine fodder outlet 12 is arranged at the bottom end of the frame 1, and the fine fodder outlet 12 is located at one side of the secondary ramp 10.

Referring to fig. 2 and 3, the charging bin 2 is located at the middle position of the top end of the frame 1, and the interior of the charging bin 2 is communicated with the interior of the frame 1; the positions of each pair of primary crushing rollers 3 and the positions of each pair of secondary crushing rollers 8 are symmetrical, the primary crushing motor 4 is fixedly connected with the outer wall of the frame 1 through a bracket, the secondary crushing motor 11 is fixedly connected with the outer wall of the frame 1 through a bracket, and the stability of the primary crushing motor 4 and the secondary crushing motor 11 during working can be effectively maintained through the bracket.

Referring to fig. 2, one end of the primary screen 5 is connected with one side of the inner wall of the frame 1 through a rotating shaft, and one end of the primary ramp 6 is fixedly connected with one side of the primary screen 5 through a connecting plate; one end of the first-stage ramp 6 extends to the upper side of the coarse material outlet 7, one end of the first-stage ramp 6 corresponds to the opening of the coarse material outlet 7, and smoothness of an ore processing link can be effectively maintained through the arrangement on the position.

Referring to fig. 2 and 4, a pair of secondary crushing rollers 8 are located below the primary ramp 6, and the primary ramp 6 and the secondary screen 9 are both sloped in shape; the inside of second grade ramp 10 is provided with vibrator 13, and the both ends of vibrator 13 are all fixedly connected with vibrating motor 14, and vibrating motor 14 and the inner wall fixed connection of frame 1 drive vibrator 13 through vibrating motor 14 and make multistage screen cloth fully sieve the ore.

When in use: the on-site staff adjusts the first-stage crushing roller 3, the first-stage screen 5, the first-stage slope 6, the second-stage crushing roller 8, the second-stage screen 9 and the second-stage slope 10 to proper positions according to the size, the properties and the actual production requirements of materials, and the first-stage screen 5 and the first-stage slope 6; the gradient of the secondary screen 9 and the secondary ramp 10 can be adjusted according to the size, the property and the actual production requirement of the materials, and the adjustment range is as follows: 10-50 degrees, then, a primary crushing motor 4, a secondary crushing motor 11 and a vibrating motor 14 are started, a vibrator 13 starts vibrating, ore with the granularity of 400-125 mm is added into a feeding bin 2, crushed by a primary crushing roller 3, and the ore screened by a primary screen 5 is 100-50 mm; ore passing through the primary screen 5 enters the coarse material outlet 7 through the primary ramp 6, ore which does not pass through the primary screen 5 reaches the secondary crushing roller 8, the ore which is crushed by the secondary crushing roller 8 and then screened by the secondary screen 9 is 25-5 mm, the ore can be used, and if smaller granularity is needed, the ore needs to enter the ball mill for processing.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. The utility model provides a multistage crushing screening plant of ore, includes frame (1), its characterized in that: the utility model discloses a high-speed crushing machine for the coal mine is characterized in that a feeding bin (2) is arranged at the top of a frame (1), a pair of level crushing rollers (3) are installed in the inside of the frame (1) through a rotating shaft, the rotating shaft of one end of each level crushing roller (3) extends to the outer side of the frame (1) through a through groove, the rotating shaft of one end of each level crushing roller (3) is connected with a level crushing motor (4) in a transmission mode, a pair of level crushing rollers (3) bottom is provided with a level sieve (5) and a level ramp (6), one side of the inner wall of the frame (1) is provided with a coarse fodder outlet (7), a pair of level crushing rollers (8) are installed in the inside of the frame (1) through the rotating shaft, a pair of level crushing rollers (8) are fixedly installed with a second level sieve (9), the bottom of the inner wall of the frame (1) is fixedly installed with a second level ramp (10), the rotating shaft of one end of each level crushing roller (8) extends to the outer side of the frame (1) and is connected with a second level crushing motor (11) in a transmission mode, the bottom of the frame (1) is provided with a fine fodder outlet (12), and the fine fodder outlet (12) is located on one side of the fine fodder ramp (10).

2. A multi-stage ore crushing and screening device according to claim 1, characterized in that: the feeding bin (2) is located at the middle position of the top end of the frame (1), and the inside of the feeding bin (2) is communicated with the inside of the frame (1).

3. A multi-stage ore crushing and screening device according to claim 1, characterized in that: the positions of each pair of the primary crushing roller (3) and the secondary crushing roller (8) are symmetrical, the primary crushing motor (4) is fixedly connected with the outer wall of the frame (1) through a bracket, and the secondary crushing motor (11) is fixedly connected with the outer wall of the frame (1) through a bracket.

4. A multi-stage ore crushing and screening device according to claim 1, characterized in that: one end of the primary screen (5) is connected with one side of the inner wall of the frame (1) through a rotating shaft, and one end of the primary ramp (6) is fixedly connected with one side of the primary screen (5) through a connecting plate.

5. A multi-stage ore crushing and screening device according to claim 1, characterized in that: one end of the primary ramp (6) extends to the upper side of the coarse material outlet (7), and one end of the primary ramp (6) corresponds to the opening of the coarse material outlet (7).

6. A multi-stage ore crushing and screening device according to claim 1, characterized in that: the pair of the secondary crushing rollers (8) are positioned below the primary ramp (6), and the primary ramp (6) and the secondary screen (9) are in slope shapes.

7. A multi-stage ore crushing and screening device according to claim 1, characterized in that: the inside of second grade ramp (10) is provided with vibrator (13), just the both ends of vibrator (13) are all fixedly connected with vibrating motor (14), vibrating motor (14) and the inner wall fixed connection of frame (1).