CN216654764U

CN216654764U - Main unit of crusher

Info

Publication number: CN216654764U
Application number: CN202123004117.1U
Authority: CN
Inventors: 胡品龙; 卢剑锋; 陈权武; 黄艰生; 李飚
Original assignee: Jiangsu Huahong Technology Co Ltd
Current assignee: Jiangsu Huahong Technology Co Ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-06-03
Anticipated expiration: 2031-12-02

Abstract

The utility model relates to a main machine of a crusher, which comprises a frame, a crushing box chamber, a main shaft roller and a screen; the crushing box chamber is divided into an upper box body and a lower box body; the lower box body is fixed in the rack; one end of the upper box body is provided with a box body rotating shaft, the box body rotating shaft is connected with the rack or the lower box body, and the upper box body can turn over relative to the lower box body around the box body rotating shaft. The main shaft roller is arranged at the joint of the upper box body and the lower box body; bearing seats are arranged at two ends of the main shaft roller; the upper part of the bearing seat is provided with a turnover support lug; connecting seats are arranged on two sides of the upper box body, and connecting lugs are arranged on the connecting seats; the overturning lug is overlapped with the connecting lug; and connecting fasteners are arranged in the connecting support lugs and the overturning support lugs. The utility model greatly improves the convenience of screen maintenance, can quickly adjust the bulk density of materials and better meets the production requirement.

Description

Crusher main machine

Technical Field

The utility model relates to a crusher main machine, in particular to a crusher main machine which can conveniently overhaul and replace screen components, and belongs to the technical field of mechanical equipment.

Background

In the field of waste metal recovery, a crusher shown in fig. 1 and 2 is needed, a hammer head is driven by a main shaft roller, massive metal is beaten in a high-speed rotating mode to be crushed into small pieces, and then the small pieces of metal materials meeting the size requirement are discharged through a lower screen; the applicant researches in the field for many years, and the related structures can refer to a scrap steel crusher with Chinese patent publication No. CN101530822A, a scrap steel crusher main machine with Chinese patent publication No. CN101549311A and a scrap automobile special crusher with Chinese patent publication No. CN 202823482U; the related accessories can also refer to a feeder with hydraulic double rollers of a main machine of the scrap steel crusher with Chinese patent publication No. CN201446003U, a main shaft transmission device of the scrap steel crusher with a hydraulic coupler with Chinese patent publication No. CN202045000U, and the like.

In order to realize effective crushing, a main shaft of the crusher is often heavier to manufacture and has higher installation requirements; but the striking operation mainly occurs below and is matched with the screen below; the screen is used as an important part and needs to be overhauled frequently, but most of the screen is positioned below the main shaft, so that the overhaul can be carried out only by hoisting the upper box body and the main shaft; this operation preparation work in earlier stage wastes time and energy, and often can lead to when box, main shaft install once more, and the location is inaccurate, influences crushing quality.

Simultaneously, although the breaker mainly hits the material through the tup and beats, realizes the breakage, but in practice discovers, and the clearance between tup and screen cloth is the space that the tup extruded the material, and to different material types, can be through adjusting this clearance, realize the bulk density adjustment of discharge material to obtain better crushing quality. However, in the existing main machine structure of the crusher, the rotation center of the main shaft is difficult to adjust, so that the adjustment is often performed rarely in use, and the material bulk density is not ideal.

In view of the above-mentioned defects, there is a need for improving the structure of the main frame of the crusher in order to further improve the maintenance efficiency and the efficiency of adjusting the installation position of the main shaft.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a main frame of a crusher, which aims to improve the maintenance and replacement efficiency of a screen, and simultaneously, the installation position of a main shaft roller is convenient to adjust, so that the requirement on the material bulk density is better met.

In order to achieve the purpose of the utility model, the utility model provides a main frame of a crusher, which comprises a frame, a crushing box chamber, a main shaft roller and a screen; a crushing box chamber is arranged on the rack, a main shaft roller is arranged in the crushing box chamber, and a screen is arranged on the wall surface of the crushing box chamber; a crushing operation channel is formed between the main shaft roller and the screen;

the crushing box is characterized in that the crushing box chamber is divided into an upper box body and a lower box body; the lower box body is fixed in the rack;

one end of the upper box body is provided with a box body rotating shaft, the box body rotating shaft is connected with the rack or the lower box body, and the upper box body can turn around the box body rotating shaft relative to the lower box body.

As a further improvement of the utility model, the upper box body is driven to turn by a box body driving element.

Further, the box body driving element is a linear driving element;

one end of the box body driving element is hinged to the upper box body, and the other end of the box body driving element is hinged to the rack or the lower box body.

As a further improvement of the utility model, the upper box body is provided with an upper locking hole; a lower locking hole is formed in the lower box body; and fasteners are detachably arranged in the upper locking hole and the lower locking hole.

As a further improvement of the present invention, the main shaft roller is mounted at a joint of the upper case and the lower case;

bearing seats are arranged at two ends of the main shaft roller and are arranged on the main shaft mounting seat through detachable fasteners; the main shaft mounting seat is fixed on the rack or the lower box body;

the upper part of the bearing seat is provided with a turnover support lug;

connecting seats are arranged on two sides of the upper box body, and connecting lugs are arranged on the connecting seats;

the overturning lug is overlapped with the connecting lug;

and connecting fasteners are arranged in the connecting support lugs and the overturning support lugs.

Furthermore, the connecting support lug and the connecting fastener arranged in the overturning support lug are detachable fasteners.

Furthermore, a main shaft height adjusting pad is arranged between the bearing seat and the main shaft mounting seat.

As a further improvement of the utility model, the rotation center of the spindle roller is deviated from the geometric center of the cambered surface at the lower part of the screen.

The main frame of the crusher mainly improves the structures of a crushing box chamber and a main shaft roller bearing seat, so that an upper box body and a main shaft roller can be quickly turned over under the driving of a box body driving element, and the maintenance space of a lower screen is reserved; and because the box pivot is fixed, after overhauing, the box drive element resets, can realize going up the quick reset of box and main shaft roller, and this improvement has improved the convenience that the screen cloth overhauld greatly.

On the basis, the height of the rotation center of the spindle roller is quickly adjusted, so that the mounting height of the spindle roller can be quickly adjusted according to the type of materials and different bulk density requirements of target products, and the production requirements are better met.

Drawings

Fig. 1 is a schematic view 1 of the overall structure of the crusher;

FIG. 2 is a schematic view of the overall structure of the crusher 2;

FIG. 3 is a schematic structural diagram of a main frame of the crusher of the present invention;

FIG. 4 is a schematic structural view of a bearing seat for mounting a spindle according to the present invention;

FIG. 5 is a schematic view of a bearing seat mounting structure of the spindle according to the present invention;

FIG. 6 is a schematic diagram of the internal structure of the main frame of the crusher of the present invention;

reference numerals: a frame 1; a crushing chamber 2; a main shaft roll 3; a screen 4;

a main shaft mounting base 11; an upper case 21 and a lower case 22; a box body rotating shaft 23; a case drive element 24;

an upper locking hole 251 and a lower locking hole 252; a bearing housing 302, a flip lug 3021; the connecting seat 211 is connected with the support lug 212.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 3 and 6, the main frame of the crusher comprises a frame 1, a crushing box chamber 2 is arranged on the frame 1, a spindle roller 3 is installed in the crushing box chamber 2, and a screen 4 is arranged on the wall surface of the crushing box chamber 2; the main body part of the main shaft roller 3 rotates in the crushing box chamber 2, the hammer head is matched with the wall surface of the crushing box chamber 2, particularly matched with the screen 4, the material to be crushed is knocked and crushed, and the crushed small-particle material is discharged through the gap of the screen 4.

The improvement of the utility model is that in order to conveniently overhaul the screen 4, the crushing box chamber 2 adopts a split structure design and is respectively provided with an upper box body 21 and a lower box body 22; the lower box body 22 is fixed in the frame 1; one end of the upper box body 21 is provided with a box body rotating shaft 23, and the box body rotating shaft 23 is connected with the rack 1 or the lower box body 22, that is, the upper box body 21 can turn around the box body rotating shaft 23 relative to the lower box body 22.

A box body driving element 24 is arranged between the upper box body 21 and the lower box body 22, and in the embodiment, the box body driving element 24 is a hydraulic cylinder; and starting the box body driving element 24, the upper box body 21 can be driven to turn around the box body rotating shaft 23.

By adopting the design, the upper box body 21 can be opened without hoisting.

Still further, in order to ensure the reliability in the flip-open state, an upper locking hole 251 is provided in the upper case 21; correspondingly, a lower locking hole 252 is formed in the lower box body 22; when the upper box 21 is completely opened, the upper locking hole 251 and the lower locking hole 252 are overlapped, and then a locking pin is inserted into the upper locking hole 251 and the lower locking hole 252, so that mechanical fixation can be realized, and the box driving element 24 is prevented from being failed and causing accidents.

The utility model is further improved in that the spindle roller 3 is fixed on the spindle mounting seat 11 of the frame 1 through bearing seats 302 on both sides; the spindle roller 3 is mounted at the joint of the upper box 21 and the lower box 22; in order to facilitate the removal of the spindle roller 3 from the lower box 22 and thus the maintenance of the screen 4 located below, a turning lug 3021 (shown in fig. 4) is provided on the upper portion of the bearing housing 302, and connecting sockets 211 are provided on both sides of the upper box 21, and a connecting lug 212 corresponding to the turning lug 3021 is provided on each connecting socket 211; when needing to overhaul, loosen bearing frame 302 with connecting fastener between the main shaft mount pad 11, simultaneously connecting lug 212 with set up connecting fastener (round pin axle or screw) in upset lug 3021, be about to main shaft roller 3 with bearing frame 302 temporarily with it is fixed to go up box 21 to connect, at this moment box drive element 24 starts, can drive main shaft roller 3 follows go up box 21 and overturn together, has removed the hoist and mount to main shaft roller 3 from, can realize the maintenance change to the screen cloth 4 that is located the below, has shortened the preparation and the recovery time of maintenance change greatly, has improved the operating efficiency.

The utility model has the further improvement that the design is adopted, so that the mounting height between the bearing seat 302 and the main shaft mounting seat 11 can be conveniently adjusted, namely, the bearing seat 302 can be temporarily lifted away from the main shaft mounting seat 11 only by temporarily connecting the bearing seat 302 with the upper box body 21, and at the moment, adjusting gaskets can be added or reduced between the bearing seat 302 and the upper box body to adjust the height of the bearing seat 302 and further adjust the center height of the main shaft roller 3 relative to the screen 4; the purpose is that the rotation center of the main shaft roller 3 is lower than the geometric center of the cambered surface at the lower part of the screen mesh 4, so that a channel between the hammer head of the main shaft roller 3 and the lower arc-shaped screen mesh 4 forms a spiral shape with a wide upper inlet and a narrow lower outlet, so that materials are easier to hit, and the bulk density of the materials is improved; therefore, the mounting height of the spindle roller 3 can be quickly adjusted according to different material types and different bulk density requirements of target products, so that the production requirements can be better met.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the utility model is not limited to the embodiments disclosed, but is capable of various modifications and substitutions without departing from the spirit of the utility model.

Claims

1. A main frame of a crusher comprises a frame, a crushing box chamber, a main shaft roller and a screen; a crushing box chamber is arranged on the rack, a main shaft roller is arranged in the crushing box chamber, and a screen is arranged on the wall surface of the crushing box chamber; a crushing operation channel is formed between the main shaft roller and the screen;

2. A host crusher machine as claimed in claim 1, wherein the upper bin is driven to be overturned by a bin drive element.

3. A host crusher machine as claimed in claim 2, wherein the bin drive element is a linear drive element;

4. The host machine of a crusher of claim 1, wherein the upper box body is provided with an upper locking hole; a lower locking hole is formed in the lower box body; the upper locking hole and the lower locking hole are internally detachably provided with a fastener.

5. The main frame of a crusher as claimed in claim 1, wherein the main shaft rollers are mounted at the joint of the upper and lower cases;

bearing seats are arranged at two ends of the main shaft roller and are arranged on a main shaft mounting seat through detachable fasteners; the main shaft mounting seat is fixed on the rack or the lower box body;

the upper part of the bearing seat is provided with a turnover support lug;

the overturning lug is overlapped with the connecting lug;

6. The host crusher of claim 5, wherein the connecting fasteners provided in the connecting lugs and the turning lugs are detachable fasteners.

7. A host machine of a crusher as claimed in claim 5, wherein a spindle height adjustment pad is provided between the bearing block and the spindle mount.

8. A host crusher machine as claimed in claim 1, wherein the centre of rotation of the spindle rollers is offset from the geometric centre of the lower arcuate face of the screen.