CN219816393U

CN219816393U - Rock grinding device

Info

Publication number: CN219816393U
Application number: CN202320424605.8U
Authority: CN
Inventors: 何帮静
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-08
Filing date: 2023-03-08
Publication date: 2023-10-13
Anticipated expiration: 2033-03-08

Abstract

The utility model discloses a rock grinding device which comprises a grinding box body and grinding rollers which are symmetrically and axially arranged in the grinding box body in a rotating mode, wherein a U-shaped bracket is movably arranged below the grinding rollers in the grinding box body. According to the rock grinding device provided by the utility model, the collected sample stone is placed in the grinding box body, the driving gear is driven to rotate and meshed with the auxiliary gears to rotate at the same time, so that the two auxiliary gears are meshed to rotate simultaneously, the grinding rollers rotate inwards simultaneously to grind the sample stone, the crushed stone falls onto the filter screen frame, the driving gear drives the auxiliary gears and drives the U-shaped bracket to reciprocate by utilizing the swing rod, the filter screen frame on the U-shaped bracket reciprocates to screen the stone which is not completely crushed, the filter screen frame is taken out to throw the stone which is not completely crushed between the grinding rollers again for secondary grinding, and the efficiency and quality of mining ore sampling are ensured.

Description

Rock grinding device

Technical Field

The utility model relates to the technical field of ore sampling devices, in particular to a rock grinding device.

Background

The ore sampling, namely, collecting certain samples from surrounding rock and mine products according to certain specification requirements, and carrying out the process of testing, testing or identifying after processing, thereby being beneficial to planning the content and the components of mineral substances and nonferrous metals in the ore through the information collection of geological ores.

In the existing ore sampling, a plurality of samples are generally excavated at equal distances and equal depths, or planned picking is carried out from mined ores, and the samples are ground, crushed and detected, and small ore blocks are generally ground by adopting a hammer-cutting and crushing mode, so that the mode of knocking is not only laborious, but also takes more time when crushing the plurality of samples, and meanwhile, most of the existing grinding crushers only can realize grinding and crushing, and can not screen the sample stones which are not completely crushed at the same time.

Disclosure of Invention

The utility model aims to provide a rock grinding device which can grind and crush and simultaneously screen sample stones which are not completely crushed.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a rock grinder, includes grinding box and symmetry axial rotation setting in grinding the crushing roller in the box, the below activity that is located crushing roller in the grinding box is provided with U type bracket, the grafting is provided with filter screen rack on the U type bracket, the activity is provided with gear drive subassembly in the grinding box, and gear drive subassembly includes:

the driving gear is eccentrically hinged with the swing rod, one end of the swing rod is hinged with the U-shaped bracket, the same end of the shaft rod on the crushing roller is provided with the mutually meshed auxiliary gear, the driving gear is driven to rotate and is meshed with the auxiliary gear to rotate, and the driving gear drives the U-shaped bracket to reciprocate simultaneously.

Preferably, the outer wall of one side of the grinding box body is provided with a driving bin, the gear transmission assembly is movably arranged in the driving bin, the gear transmission assembly further comprises an output gear, and the output gear is meshed with the driving gear.

Preferably, a main motor is arranged in the grinding box body, and an output gear is fixedly arranged on an output end of the main motor along the axis.

Preferably, the grinding box body is provided with a slot, the U-shaped bracket is arranged in the slot in a sliding manner, a supporting rod is arranged on the outer wall of one side of the U-shaped bracket, the first end of the swing rod is hinged to the supporting rod, and the second end of the swing rod is eccentrically hinged to the driving gear.

Preferably, protruding portions are symmetrically arranged at the bottoms of the supporting rods, a plurality of knocking blocks are slidably arranged in the grinding box body, the second ends of the knocking blocks are respectively and fixedly provided with a power storage spring, and the protruding portions are respectively and movably arranged at the first ends of the knocking blocks.

Preferably, a collecting box is arranged below the filter screen frame in the grinding box body.

Preferably, the filter net frame is a stainless steel net frame.

Preferably, the outer walls of the crushing rollers are respectively provided with extrusion grooves in a circumferential array.

In the technical scheme, the rock grinding device provided by the utility model has the following beneficial effects: through placing the sample stone that gathers in the grinding box, the drive gear is driven and is rotated with the gear engagement this moment, and then make two gear engagement rotation simultaneously, so that smash the roller and rotate to inboard simultaneously and smash sample stone, the stone after smashing falls on the filter screen frame, and drive gear drives the gear and also can utilize the pendulum rod to drive U type bracket reciprocating motion when being assisted, thereby filter screen frame reciprocating motion on the messenger U type bracket is in order to screen the stone that does not smash, take out the filter screen frame and throw into the stone that does not smash again between smashing the roller and carry out secondary crushing, and then guaranteed the efficiency and the quality of mining ore sampling.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a partial cross-sectional structure according to an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of a polishing box according to an embodiment of the present utility model;

fig. 4 is an enlarged schematic view of a structure at a provided in an embodiment of the present utility model.

Reference numerals illustrate:

1. grinding the box body; 2. a pulverizing roller; 3. a U-shaped bracket; 4. a filter screen frame; 5. a collection box; 6. a main motor; 7. knocking the block; 11. a driving bin; 12. a slot; 21. a shaft lever; 31. a support rod; 32. a boss; 61. an output gear; 62. a drive gear; 63. an auxiliary gear; 64. swing rod; 71. and a power storage spring.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-4, a rock grinding device, including grinding box 1 and symmetry axial rotation set up in grinding the crushing roller 2 in the box 1, the below activity that is located crushing roller 2 in the box 1 is provided with U type bracket 3, and the grafting is provided with filter screen rack 4 on the U type bracket 3, and the activity is provided with gear drive assembly in the box 1, and gear drive assembly includes: the driving gear 62 is eccentrically hinged with the swing rod 64, one end of the swing rod 64 is hinged with the U-shaped bracket 3, the same end of the shaft rod 21 on the crushing roller 2 is provided with the mutually meshed auxiliary gear 63, the driving gear 62 is driven to rotate and meshed with the auxiliary gear 63 to rotate, and the driving gear 62 simultaneously drives the U-shaped bracket 3 to reciprocate. Through placing the sample stone that gathers in grinding box 1, this moment drive gear 62 is driven and is rotated with auxiliary gear 63 meshing, and then make two auxiliary gears 63 meshing simultaneously rotate, so that smash roller 2 simultaneously to inboard rotate in order to smash sample stone, the stone after smashing falls on filter screen frame 4, and drive gear 62 also can utilize pendulum rod 64 to order about U type bracket 3 reciprocating motion when driving auxiliary gear 63, thereby make the filter screen frame 4 reciprocating motion on the U type bracket 3 in order to screen incompletely smashed stone, take out filter screen frame 4 and throw into the stone that will not smash again between smashing roller 2 and smash, and then guaranteed mining ore sampling's efficiency and quality, concrete axostylus axostyle 21 is respectively along axle center fixed mounting on smashing roller 2.

Specifically, in the above technical solution, the driving gear 62 may be driven to rotate by an electric push rod matching with a gear and a rack, or by a plurality of reduction gears matching with manpower; or may be driven in a manner known to those skilled in the art.

As shown in fig. 2, as a further technical scheme provided by the utility model, a driving bin 11 is arranged on the outer wall of one side of the grinding box body 1, a gear transmission assembly is movably arranged in the driving bin 11, the gear transmission assembly further comprises an output gear 61, and the output gear 61 is meshed with a driving gear 62.

Further, a main motor 6 is disposed in the grinding case 1, and an output gear 61 is fixedly mounted on an output end of the main motor 6 along an axis, the main motor 6 is fixedly mounted on the grinding case 1, and the main motor 6 is utilized to drive the output gear 61 and further drive a driving gear 62 to rotate.

Still further, be provided with slot 12 on grinding box 1, and U type bracket 3 slides and set up in slot 12, the outer wall of U type bracket 3 one side is provided with branch 31, and the first end of pendulum rod 64 articulates and sets up on branch 31, the second end eccentric articulated of pendulum rod 64 sets up on drive gear 62, branch 31 slides simultaneously on grinding box 1, when drive gear 62 is driven and is rotated, the second end of pendulum rod 64 carries out eccentric movement along drive gear 62 this moment, thereby pull or push branch 31, so that branch 31 slides on grinding box 1, thereby realize the reciprocating swing screening to filter screen frame 4.

Specifically, protruding portions 32 are symmetrically arranged at the bottom of the supporting rod 31, a plurality of knocking blocks 7 are slidably arranged in the grinding box body 1, a second end of each knocking block 7 is fixedly provided with a corresponding power storage spring 71, a first end of each power storage spring 71 is fixedly arranged on the grinding box body 1, the protruding portions 32 are movably arranged at the first ends of the corresponding knocking blocks 7 respectively, when the supporting rod 31 is in driving sliding, the protruding portions 32 at the bottom of the supporting rod 31 slide on curved surfaces of the first ends of the corresponding knocking blocks 7 respectively, the corresponding knocking blocks 7 are extruded, the power storage springs 71 store power at the moment, and when the protruding portions 32 are separated from the corresponding knocking blocks 7, the corresponding power storage springs 71 release the power storage to enable the corresponding knocking blocks 7 to collide with the corresponding knocking blocks 7, and then the U-shaped bracket 3 generates vibration to assist the screening of the filter net rack 4.

More specifically, a collection box 5 is provided below the filter screen frame 4 in the grinding box 1, and the collection box 5 is used to collect the sample after screening the filter screen frame 4.

Furthermore, the filter screen frame 4 is a stainless steel screen frame.

Further, the outer walls of the crushing rollers 2 are respectively provided with extrusion grooves in a circumferential array. The sample stones can be crushed by the extrusion grooves in an alternating manner.

Working principle: the main motor 6 drives the output gear 61 and then drives the driving gear 62 to rotate, at this time, the driving gear 62 is driven to rotate and is meshed with the auxiliary gears 63 to rotate, and then, the two auxiliary gears 63 are meshed to rotate simultaneously, so that the crushing roller 2 rotates inwards simultaneously to crush sample stones, the crushed stones fall onto the filter screen frame 4, and the driving gear 62 drives the auxiliary gears 63 and simultaneously drives the U-shaped bracket 3 to reciprocate by the swing rod 64, so that the filter screen frame 4 on the U-shaped bracket 3 reciprocates to screen the incompletely crushed stones, in the sliding process of the supporting rod 31 on the U-shaped bracket 3, the protruding parts 32 at the bottom of the supporting rod 31 slide on the curved surfaces of the first ends of the knocking blocks 7 respectively, and the knocking blocks 7 are extruded to store the force when the protruding parts 32 are separated from the knocking blocks 7, the force springs 71 release the force to enable the knocking blocks 7 to collide the knocking blocks 7, and further enable the U-shaped bracket 3 to vibrate to assist the filter screen frame 4 to screen, and further realize the processes of crushing, screening and vibration assisting screening, so that samples are convenient to be crushed.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides a rock grinding device, its characterized in that, including grinding box (1) and symmetry axial rotation setting in grinding roller (2) in box (1), the below activity that is located grinding roller (2) in grinding box (1) is provided with U type bracket (3), the grafting is provided with filter screen rack (4) on U type bracket (3), grinding box (1) internal activity is provided with gear drive subassembly, and gear drive subassembly includes:

the grinding device comprises a driving gear (62), wherein a swinging rod (64) is arranged on the driving gear (62) in an eccentric hinging manner, one end of the swinging rod (64) is arranged on a U-shaped bracket (3) in a hinging manner, an auxiliary gear (63) meshed with each other is arranged at the same end of a shaft rod (21) on a grinding roller (2), the driving gear (62) is driven to rotate and is meshed with the auxiliary gear (63) to rotate, and the driving gear (62) drives the U-shaped bracket (3) to reciprocate simultaneously.

2. The rock grinding device according to claim 1, characterized in that the outer wall of one side of the grinding box body (1) is provided with a driving bin (11), the gear transmission assembly is movably arranged in the driving bin (11), the gear transmission assembly further comprises an output gear (61), and the output gear (61) is meshed with the driving gear (62).

3. A rock grinding device according to claim 1, characterized in that the grinding box (1) is provided with a main motor (6) and that the output gear (61) is fixedly mounted on the output end of the main motor (6) along the axis.

4. The rock grinding device according to claim 1, wherein the grinding box body (1) is provided with a slot (12), the U-shaped bracket (3) is slidably arranged in the slot (12), a supporting rod (31) is arranged on the outer wall of one side of the U-shaped bracket (3), a first end of the swinging rod (64) is hinged to the supporting rod (31), and a second end of the swinging rod (64) is eccentrically hinged to the driving gear (62).

5. The rock grinding device according to claim 4, wherein the bottom of the supporting rod (31) is symmetrically provided with a protruding portion (32), a plurality of knocking blocks (7) are slidably arranged in the grinding box body (1), the second ends of the knocking blocks (7) are respectively fixedly provided with a power storage spring (71), and the protruding portions (32) are respectively movably arranged at the first ends of the knocking blocks (7).

6. A rock grinding device as claimed in claim 1, characterized in that a collecting box (5) is arranged in the grinding box (1) below the filter screen frame (4).

7. A rock grinding device as claimed in claim 1, characterized in that the filter mesh frame (4) is a stainless steel mesh frame.

8. A rock grinding device as claimed in claim 1, characterized in that the outer walls of the crushing rolls (2) are provided with respective circumferential arrays of extrusion grooves.