CN214210646U

CN214210646U - Fine grinding device for bauxite

Info

Publication number: CN214210646U
Application number: CN202022617987.5U
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Jiangsu Xiongxin Aluminum Industry Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-09-17
Anticipated expiration: 2030-11-13

Abstract

The utility model relates to the technical field of bauxite grinding, in particular to an bauxite fine grinding device, which comprises a grinding chamber, wherein the top of the grinding chamber is provided with a grinding cylinder, the middle part of the grinding cylinder is provided with a rotating shaft, the grinding cylinder is fixedly connected with the rotating shaft, the rotating shaft is rotatably connected with the grinding chamber, a toothed plate is arranged below the grinding cylinder, the left end of the toothed plate is fixedly connected with a handle, the toothed plate is slidably connected with the grinding chamber, a gear is arranged below the toothed plate, the toothed plate is meshed with the gear, the gear is rotatably connected with the inner wall of the grinding chamber through a connecting shaft, the lower part of the gear is fixedly connected with the upper end of a connecting rod, the lower end of the connecting rod is fixedly connected with the upper part of a grinding block, at present, most of bauxite has some problems in the aspect of processing and grinding, still have small-size cubic bauxite after smashing through rubbing crusher and not smashed completely, refine the processing of later stage bauxite and bring very big problem.

Description

Fine grinding device for bauxite

Technical Field

The utility model relates to an bauxite smashes technical field, specifically is a bauxite fine-crushing device.

Background

Bauxite is a general term for an ore that is industrially available and is composed of gibbsite and monohydrate as main minerals. Bauxite is the best raw material for producing metal aluminum and the most important application field, and the dosage of the bauxite accounts for more than 90 percent of the total production of the bauxite in the world.

At present, there are some problems in the aspect of most bauxite in processing is smashed, still have small-size cubic bauxite after smashing through the rubbing crusher and not smashed completely, refine the processing of later stage bauxite and bring very big problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fine crushing device of bauxite 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 utility model provides a fine grinding device of bauxite, including smashing the room, it is provided with the crushing barrel to smash the room top, the middle part of crushing barrel is provided with the pivot, crushing barrel and pivot fixed connection, the pivot rotates with smashing the room and is connected, the below of crushing barrel is provided with the pinion rack, the left end fixedly connected with handle of pinion rack, pinion rack and crushing room sliding connection, the below of pinion rack is provided with the gear, pinion rack and gear engagement, the gear passes through the connecting axle and is connected with smashing the indoor wall rotation, the below of gear and the upper end fixed connection of connecting rod, the lower extreme of connecting rod and the top fixed connection who rolls the piece, it sets up the upper surface at the filter screen to roll the piece, the outside of filter screen frame and the below fixed connection of filter screen frame, the outside of filter screen frame and the below inner wall fixed connection who smashes the room, the bottom of smashing the room is provided with the collection magazine.

Preferably, the quantity of crushing barrel is two, and the inboard of two crushing barrels is closely laminated, and the outside of crushing barrel closely laminates with the inner wall of smashing the room, and the one end of pivot is extended and is smashed the room and rotate with external motor and be connected.

Preferably, the outer walls of the left side and the right side of the middle part of the crushing chamber are internally provided with slideways, the left side and the right side of the toothed plate are arranged in the slideways, and the toothed plate is in sliding connection with the slideways.

Preferably, the rolling block is arranged in an arc shape, and the radian of the rolling block is equal to that of the bottom of the filter screen correspondingly.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through carrying out twice with bauxite and smashing, still have partial bauxite after preventing once to smash not smashed completely, perhaps smash a section of thick bamboo and roll into new conglobate with bauxite, reduce the difficult degree that later stage processing refined.

2. Through being provided with the filter screen and rolling the piece, the adjustment filter screen specification makes only be less than the bauxite in filter screen gap can flow downwards, ensures that the bauxite specification of collecting in gathering materials all is less than a limit, and the bauxite lump piece that does not satisfy this limit can be continuously rolled on the filter screen until it is less than the filter screen specification.

Drawings

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

fig. 2 is a side view of the structure of the present invention.

In the figure: 1. crushing chamber, 2, crushing barrel, 21, rotating shaft, 3, toothed plate, 31, handle, 4, gear, 41, connecting shaft, 42, connecting rod, 5, grinding block, 6, filter screen frame, 7, filter screen, 8 and material collecting box.

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 to 2, the present invention provides a technical solution: a bauxite fine crushing device comprises a crushing chamber 1, a crushing barrel 2 is arranged at the top of the crushing chamber 1, a rotating shaft 21 is arranged in the middle of the crushing barrel 2, the crushing barrel 2 is fixedly connected with the rotating shaft 21, the rotating shaft 21 is rotatably connected with the crushing chamber 1, a toothed plate 3 is arranged below the crushing barrel 2, a handle 31 is fixedly connected with the left end of the toothed plate 3, the toothed plate 3 is slidably connected with the crushing chamber 1, a gear 4 is arranged below the toothed plate 3, the toothed plate 3 is meshed with the gear 4, the gear 4 is rotatably connected with the inner wall of the crushing chamber 1 through a connecting shaft 41, the lower end of the gear 4 is fixedly connected with the upper end of a connecting rod 42, the lower end of the connecting rod 42 is fixedly connected with the upper part of a rolling block 5, the rolling block 5 is arranged on the upper surface of a filter screen 7, the outer side of the filter screen 7 is fixedly connected with the lower part of a filter screen frame 6, the outer side of the filter screen frame 6 is fixedly connected with the inner wall of the lower part of the crushing chamber 1, the bottom of the grinding chamber 1 is provided with a material collecting box 8.

The quantity of crushing barrel 2 is two, and the inboard of two crushing barrels 2 is closely laminated, and the outside of crushing barrel 2 is closely laminated with the inner wall of smashing room 1, and the one end of pivot 21 extends to smash room 1 and is connected with external motor rotation.

Smash room middle part left and right sides outer wall inside and be provided with the slide, in the slide was arranged in to the left and right sides of pinion rack 3, pinion rack 3 and slide sliding connection, be convenient for to the about of pinion rack 3 with the injecing of front and back position, prevent that pinion rack 3 from breaking away from with the meshing of gear 4, cause the smooth silk.

The rolling block 5 is arranged in an arc shape, the radian of the rolling block 5 corresponds to that of the bottom of the filter screen 7, and the rolling block 5 can uniformly crush and roll the bauxite at the bottom of the filter screen 7.

The working principle is as follows: blocky bauxite is put into the crushing chamber 1 from the upper part, the left and right crushing cylinders 2 are driven to rotate by an external motor, because no gap exists between the two crushing cylinders 2 and the crushing chamber 1, the bauxite can only downwards flow out after being rolled by the crushing cylinders 2, the falling bauxite enters the upper surface of the filter screen 7, some bauxite which is thoroughly crushed and has small particles downwards flows out of the filter screen 7 and enters the material collecting box 8 to be collected, some bauxite which is incompletely crushed or is crushed into cake-shaped lumps by the crushing cylinders 2 cannot flow down from the filter screen 7 because of large specification, at the moment, the handle 31 is pushed leftwards and rightwards to enable the toothed plate 3 to slide leftwards and rightwards in the crushing chamber 1, the toothed plate 3 is limited in position through slideways on the left and right sides of the crushing chamber 1, because the toothed plate 3 is meshed with the gear 4, the toothed plate 3 can drive the gear 4 to rotate in a reciprocating manner by sliding leftwards and rightwards, because the gear 4 is fixed in the middle of the crushing chamber 1 through the connecting shaft 41, the position of the gear cannot be changed, the connecting rod 42 is driven to swing back and forth, the rolling block 5 repeatedly rolls the upper surface of the filter screen 7, bauxite with larger volume on the rolling block is crushed and flows downwards, and bauxite which is difficult to crush is repeatedly rolled by the rolling block 5 until the crushed bauxite flows into the material collecting box 8 from the filter screen 7 to be collected.

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

1. The utility model provides an bauxite fine grinding device, includes crushing room (1), its characterized in that: the crushing chamber (1) is provided with a crushing cylinder (2) at the top, a rotating shaft (21) is arranged in the middle of the crushing cylinder (2), the crushing cylinder (2) is fixedly connected with the rotating shaft (21), the rotating shaft (21) is rotatably connected with the crushing chamber (1), a toothed plate (3) is arranged below the crushing cylinder (2), a handle (31) is fixedly connected with the left end of the toothed plate (3), the toothed plate (3) is slidably connected with the crushing chamber (1), a gear (4) is arranged below the toothed plate (3), the toothed plate (3) is meshed with the gear (4), the gear (4) is rotatably connected with the inner wall of the crushing chamber (1) through a connecting shaft (41), the lower end of the gear (4) is fixedly connected with the upper end of a connecting rod (42), the lower end of the connecting rod (42) is fixedly connected with the upper part of a pressing block grinding block (5), the grinding block (5) is arranged on the upper surface of a filter screen (7), the outer side of the filter screen (7) is fixedly connected with the lower part of a filter screen frame (6), the outer side of the filter screen frame (6) is fixedly connected with the lower inner wall of the crushing chamber (1), and the bottom of the crushing chamber (1) is provided with a material collecting box (8).

2. The bauxite fine grinding apparatus according to claim 1, wherein: the quantity of crushing barrel (2) is two, and the inboard of two crushing barrel (2) is closely laminated, and the outside of crushing barrel (2) is closely laminated with the inner wall of smashing room (1), and the one end of pivot (21) is extended and is smashed room (1) and external motor and rotate and be connected.

3. The bauxite fine grinding apparatus according to claim 1, wherein: the crushing chamber is characterized in that slideways are arranged inside the outer walls of the left side and the right side of the middle of the crushing chamber, the left side and the right side of the toothed plate (3) are arranged in the slideways, and the toothed plate (3) is in sliding connection with the slideways.

4. The bauxite fine grinding apparatus according to claim 1, wherein: the grinding block (5) is arranged in an arc shape, and the radian of the grinding block (5) is equal to the radian of the bottom of the filter screen (7) correspondingly.