CN220559442U

CN220559442U - Limestone grinding device

Info

Publication number: CN220559442U
Application number: CN202321591180.6U
Authority: CN
Inventors: 张增功; 邓富强; 刘永
Original assignee: Luoyang Wanji New Wall Material Co ltd
Current assignee: Luoyang Wanji New Wall Material Co ltd
Priority date: 2023-06-21
Filing date: 2023-06-21
Publication date: 2024-03-08
Anticipated expiration: 2033-06-21

Abstract

The utility model discloses a limestone grinding device, which comprises a barrel body, wherein a screen disc is arranged at the upper part of an inner cavity of the barrel body; the upper part of the barrel body is provided with a motor, an output shaft of the motor extends into the barrel body, two grinding rollers are symmetrically arranged on the upper part of the disc surface of the screen disc, and the shaft body of the output shaft is provided with two fixed shafts in running fit with the grinding rollers; the lower part of output shaft is equipped with the grinding miller that is the back taper, and the inside of staving is equipped with the grinding disc with the grinding miller adaptation, and the center of grinding disc is equipped with the through-hole, and the lower part of grinding disc is equipped with the discharging pipe that corresponds the intercommunication with the through-hole, and the discharging pipe stretches out the staving. The utility model realizes multi-stage grinding of limestone, ensures uniform particles, realizes grinding of different particle sizes, realizes rapid grinding of lime, and improves the processing efficiency of lime.

Description

Limestone grinding device

Technical Field

The utility model relates to the technical field of lime production equipment, in particular to a limestone grinding device.

Background

The aerated block is an aerated concrete block which is mainly prepared by taking fly ash as a raw material, adding cement, lime, foam stabilizer and other materials in the production process, and processing the materials through high-temperature autoclaved equipment. In the preparation of raw materials of the aerated block, limestone is required to be crushed and ground to prepare lime powder, the traditional grinding is usually carried out on the limestone only through rotation of a grinding head, and in the grinding mode, the limestone is generally only subjected to the action of the shearing force of rotation of the grinding head, so that the stress is single, and the grinding effect is poor.

The patent with the authorized bulletin number of CN215611845U discloses a grinding device for lime production, a box cover is fixedly arranged above a box body, a feed inlet is formed in one side of the upper surface of the box cover, a hopper is fixedly arranged above the feed inlet, a crushing mechanism is arranged below the feed inlet, a second motor is fixedly arranged in the center of the upper surface of the box cover, an output shaft of the second motor penetrates through the box cover and is fixedly connected with a rotating shaft, the lower end of the rotating shaft is fixedly connected with a grinding tool, a metal cover is sleeved outside the rotating shaft and is arranged above the grinding tool, a base is welded on the inner wall of the box body, an electric telescopic rod is fixedly arranged above the base, a fixing frame is fixedly arranged above the electric telescopic rod, a grinding base is welded on the inner side of the fixing frame, and the grinding base is arranged below the grinding tool; although the distance between the grinding tool and the grinding base can be adjusted, the grinding is only performed once, the granularity of lime is difficult to ensure, and after the lime is crushed, some large-particle limestone possibly cannot enter between the grinding tool and the grinding base and needs to be improved.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the limestone grinding device which can realize multi-stage grinding of limestone, ensure uniform particles, realize grinding of different granularities, realize rapid grinding of lime, improve the processing efficiency of lime and effectively solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the limestone grinding device comprises a barrel body, wherein a screen disc is arranged at the upper part of an inner cavity of the barrel body; the upper part of the barrel body is provided with a motor, an output shaft of the motor extends into the barrel body, two grinding rollers are symmetrically arranged on the upper part of the disc surface of the screen disc, and the shaft body of the output shaft is provided with two fixed shafts in running fit with the grinding rollers; the lower part of output shaft is equipped with the grinding miller that is the back taper, and the inside of staving is equipped with the grinding disc with the grinding miller adaptation, and the center of grinding disc is equipped with the through-hole, and the lower part of grinding disc is equipped with the discharging pipe that corresponds the intercommunication with the through-hole, and the discharging pipe stretches out the staving.

Preferably, two electric push rods are symmetrically arranged at the bottom of the inner cavity of the barrel body, the upper parts of the electric push rods are connected with the grinding disc, and the grinding disc is in clearance fit with the inner wall of the barrel body.

Preferably, the grinding disc is provided with a conical groove matched with the grinding wheel, and a gap between the conical groove and the grinding wheel is a grinding area.

Preferably, the upper part of the grinding wheel is provided with a conical bulge.

Preferably, the outer wall of the barrel body is provided with a plurality of supporting legs in an annular array.

Preferably, a through hole in clearance fit with the discharging pipe is formed in the bottom of the barrel body.

Preferably, a feeding hopper is arranged at the upper part of the barrel body.

Compared with the prior art, the utility model has the beneficial effects that: limestone material enters into the staving through the feeder hopper, the motor drives the output shaft rotation, the output shaft drives the fixed axle rotation, thereby make the fixed axle drive the grinding roller rotatory on the sieve tray, realize the broken grinding to the lime stone, the lime stone after the breakage falls on the grinding tray through shining the dish, the output shaft drives the grinding wheel rotation simultaneously, the grinding wheel cooperation grinding tray grinds the lime stone once more, multistage grinding ensures that the granule is even, moreover, the interval of grinding tray and grinding wheel is adjustable, realize the grinding of different granularity, realize the quick grinding of lime, the machining efficiency of lime has been improved.

Drawings

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

FIG. 2 is a schematic view of a partial structure of the present utility model;

fig. 3 is a cross-sectional view of the internal structure of the present utility model.

In the figure: 1 motor, 2 staving, 3 supporting legs, 4 feeder hoppers, 5 output shafts, 6 sieve trays, 7 grinding trays, 8 electric putter, 9 grinding wheels, 10 grinding rollers, 11 discharging pipes, 12 fixed axles.

Detailed Description

In the description, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "front", "rear", "left", "right", etc., the drawings merely correspond to the drawings of the present utility model, and in order to facilitate description of the present utility model, it is not indicated or implied that the device or element referred to must have a specific azimuth:

referring to fig. 1-3, the present utility model provides a technical solution: a limestone grinding device comprises a barrel body 2, wherein a screen disc 6 is arranged at the upper part of the inner cavity of the barrel body 2; the upper part of the barrel body 2 is provided with a motor 1, an output shaft 5 of the motor 1 extends into the barrel body 2, two grinding rollers 10 are symmetrically arranged on the upper part of the disc surface of the screen disc 6, and the shaft body of the output shaft 5 is provided with two fixed shafts 12 which are in running fit with the grinding rollers 10; the lower part of the output shaft 5 is provided with an inverted cone-shaped grinding wheel 9, the inside of the barrel body 2 is provided with a grinding disc 7 which is matched with the grinding wheel 9, the center of the grinding disc 7 is provided with a through hole, the lower part of the grinding disc 7 is provided with a discharging pipe 11 which is correspondingly communicated with the through hole, and the discharging pipe 11 extends out of the barrel body 2;

the motor 1 drives the output shaft 5 to rotate, the output shaft 5 drives the two fixed shafts 12 and the grinding wheel 9 to rotate simultaneously, the two fixed shafts 12 respectively drive the two grinding rollers 10 to rotate on the screen disc 6 when rotating, the grinding rollers 10 crush limestone particles on the screen disc 6 to crush and grind, the crushed and ground limestone falls on the grinding disc 7 through the screen disc 6, the grinding wheel 9 is matched with the grinding disc 7 to further grind the limestone, so that multistage grinding of the limestone is realized, uniformity of the particles is ensured, and the grinding efficiency of the limestone is improved;

further, the grinding disc 7 is provided with a conical groove matched with the grinding wheel 9, a gap between the conical groove and the grinding wheel 9 is a grinding area, two electric push rods 8 are symmetrically arranged at the bottom of the inner cavity of the barrel body 2, the upper parts of the electric push rods 8 are connected with the grinding disc 7, the grinding disc 7 is in clearance fit with the inner wall of the barrel body 2, and the electric push rods 8 can push the grinding disc 7 to move up and down, so that the gap between the grinding disc 7 and the grinding wheel 9 is changed, and grinding with different granularities is realized;

further, the upper part of the grinding wheel 9 is provided with a conical bulge, lime falling from the screen disc 6 falls on the grinding wheel 9, and the centrifugal force and the inclination of the rotation of the grinding wheel 9 are utilized to facilitate blanking;

in addition, the outer wall of the barrel body 2 is provided with a plurality of supporting legs 3 in an annular array; the bottom of the barrel body 2 is provided with a through hole in clearance fit with the discharge pipe 11, and when the electric push rod 8 drives the grinding disc 7 to lift, the discharge pipe 11 can move in the through hole; the upper part of the barrel body 2 is provided with a feed hopper 4.

The utility model has not been described in detail in the prior art, and it is apparent to those skilled in the art that the utility model is not limited to the details of the above-described exemplary embodiments, but that the utility model can be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the above-described embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The utility model provides a limestone grinding device, includes staving (2), its characterized in that: a screen disc (6) is arranged at the upper part of the inner cavity of the barrel body (2); the upper part of the barrel body (2) is provided with a motor (1), an output shaft (5) of the motor (1) stretches into the barrel body (2), two grinding rollers (10) are symmetrically arranged on the upper part of the disc surface of the screen disc (6), and the shaft body of the output shaft (5) is provided with two fixed shafts (12) in running fit with the grinding rollers (10); the lower part of output shaft (5) is equipped with grinding miller (9) that are the back taper, and the inside of staving (2) is equipped with grinding disk (7) with grinding miller (9) adaptation, and the center of grinding disk (7) is equipped with the through-hole, and the lower part of grinding disk (7) is equipped with discharging pipe (11) that correspond the intercommunication with the through-hole, and discharging pipe (11) stretch out staving (2).

2. A limestone grinding device according to claim 1, wherein: two electric push rods (8) are symmetrically arranged at the bottom of the inner cavity of the barrel body (2), the upper parts of the electric push rods (8) are connected with a grinding disc (7), and the grinding disc (7) is in clearance fit with the inner wall of the barrel body (2).

3. A limestone grinding device according to claim 1, wherein: the grinding disc (7) is provided with a conical groove matched with the grinding wheel (9), and a gap between the conical groove and the grinding wheel (9) is a grinding area.

4. A limestone grinding device according to claim 1, wherein: the upper part of the grinding wheel (9) is provided with a conical bulge.

5. A limestone grinding device according to claim 1, wherein: the outer wall annular array of staving (2) has a plurality of supporting legs (3).

6. A limestone grinding device according to claim 1, wherein: the bottom of the barrel body (2) is provided with a through hole which is in clearance fit with the discharging pipe (11).

7. A limestone grinding device according to claim 1, wherein: the upper part of the barrel body (2) is provided with a feed hopper (4).