CN216910925U

CN216910925U - High-efficient broken pre-screening plant of raw materials

Info

Publication number: CN216910925U
Application number: CN202220452901.4U
Authority: CN
Inventors: 何玉良; 张新民; 杨帆; 王胜祥
Original assignee: Guangde Dushan South Cement Co ltd
Current assignee: Guangde Dushan South Cement Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-07-08
Anticipated expiration: 2032-03-02

Abstract

The utility model relates to the technical field of ore screening, in particular to a high-efficiency raw material crushing and pre-screening device. The technical scheme comprises the following steps: guide plate, workstation, backing plate and screening roller, the screening groove has been seted up to the upper surface of workstation, the both ends symmetrical welding of screening roller has the spindle nose, the spindle nose equidistance rotates the inner wall upper end of installing at the screening groove, connect through connecting chain belt mutual drive between the spindle nose, the backing plate welding is in the outer wall bottom of workstation, install driving motor through the bolt on the backing plate, the last rotation of driving motor installs the drive shaft, the drive shaft passes through the transmission and is connected between drive chain belt and the spindle nose, and the isolation shell is installed through the bolt symmetry in the outer wall upper end of workstation, it is located the isolation shell to connect the chain belt. The utility model is convenient for the efficient separation between the ore and the soil, reduces the production cost, reduces the manpower loss, improves the working efficiency and meets the use requirements of personnel.

Description

High-efficient broken pre-screening plant of raw materials

Technical Field

The utility model relates to the technical field of ore screening, in particular to a high-efficiency raw material crushing and pre-screening device.

Background

The limestone crushing process is an important link in a cement production line, and before materials such as limestone are used in cement production, material particles are too large, the direct use effect is poor, and even the materials cannot be directly used, so that the limestone can be transported to the production line to be used and mixed after being crushed. The cement plant can perform coarse crushing and fine crushing on the massive limestone raw material through crushing equipment, so that the requirement of production is met.

Through the retrieval, the publication is CN210474082U provides a broken screening plant of ore, include the box and be fixed in two landing legs of bottom half, the feed inlet has been seted up at the top of box, and the top of box is fixed with the baffle that is used for keeping off the material, the top of box is equipped with and is used for the extrusion ore, makes the ore by the first crushing mechanism of crushing, just be equipped with the second crushing mechanism who is used for through rotatory broken ore in the box, one side of box is equipped with the separating mechanism who is used for sieving the ore powder, just be equipped with the screening mechanism who is used for sieving the ore size in the box, screening mechanism is located the below of separating mechanism.

In the production process of cement, sometimes the crushing device can not carry out high-efficient separation to stone and mud, and the ore mud content exceeds a certain degree and can lead to frequent putty of crushing device, can not satisfy personnel's user demand.

Therefore, the high-efficiency raw material crushing and pre-screening device is provided for solving the existing problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a raw material efficient crushing and pre-screening device aiming at the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high-efficient broken pre-screening device of raw materials, includes stock guide, workstation, backing plate and screening roller, the lower skin weld of workstation has the supporting seat, the screening groove has been seted up to the upper surface of workstation, the both ends symmetrical welding of screening roller has the spindle nose, spindle nose equidistance rotates and installs the inner wall upper end at the screening groove, connect through connecting chain belt mutual drive between the spindle nose, the backing plate welding is in the outer wall bottom of workstation, install driving motor through the bolt on the backing plate, the last rotation of driving motor installs the drive shaft, the drive shaft passes through the transmission between drive chain belt and the spindle nose and is connected, and the separation shell is installed through the bolt symmetry in the outer wall upper end of workstation, it is located the separation shell to connect the chain belt.

The device can be fixed in suitable position department, the material of treating the screening falls on the screening roller of the device through external transport structure, at this moment, connect external power and make driving motor circular telegram work, driving motor drives the drive shaft rotation, the drive shaft passes through the chain belt and drives the spindle nose rotation, connect through the chain belt transmission between the spindle nose, make the equal synchronous rotation of screening roller on the device, the screening roller in the material contact rotation receives the effect of power and removes to the other end from the one end of the device, at this in-process, because there is certain clearance between the screening roller, the material produces the action of jolting from top to bottom between roller and roller, thereby shake off adnexed earth on the ore, earth falls to the screening inslot through the clearance between the roller, and the ore through the screening then removes to next process through the stock guide.

Preferably, the upper end of the inner wall of the screening groove is provided with a mounting hole, a shaft sleeve is fixed in the mounting hole, and the shaft head is rotatably mounted on the shaft sleeve. Through the design of the shaft sleeve, the rotating friction force between the shaft head and the screening groove is reduced.

Preferably, the inner wall bottom of screening groove is the inclined plane design, the one end height that screening groove is close to the stock guide is less than the other end height of screening groove, through the design of screening groove inclined plane for earth finally shifts out the device under the effect of gravity.

Preferably, side panels are symmetrically arranged at the positions of the notches of the screening grooves and are fixed on the workbench through bolts. By the design of the side panels, ore is prevented from moving out of the device during transport.

Preferably, the shaft head is provided with a ring groove matched with the connecting chain belt, and the connecting chain belt is positioned on the ring groove. Through the design of the ring groove, the dislocation of the chain belt can be effectively prevented.

Preferably, the number of the supporting seats is four, and the four supporting seats are distributed on the lower surface of the workbench in a rectangular array.

Compared with the prior art, the utility model has the following beneficial effects:

1. the raw material efficient crushing pre-screening device can be fixed at a proper position when in use, materials to be screened fall onto screening rollers of the device through an external transportation structure, at the time, an external power supply is connected to enable a driving motor to be electrified and operated, the driving motor drives a driving shaft to rotate, the driving shaft drives shaft heads to rotate through a chain belt, the shaft heads are in transmission connection through the chain belt, the screening rollers on the device rotate synchronously, the materials contact with the rotating screening rollers and are forced to move from one end of the device to the other end of the device, in the process, due to the fact that a certain gap exists between the screening rollers, the materials bump up and down between the rollers, soil attached to ores is shaken off, the soil falls into screening grooves through the gap between the roller shafts, and the materials are finally moved out of the device under the action of gravity through the design of the inclined surfaces of the screening grooves, the screened ore is moved to the next procedure through the guide plate, and the utility model is convenient for the high-efficiency separation between the ore and the soil, reduces the production cost and the manpower loss, improves the working efficiency and meets the use requirements of personnel.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic top view of the present invention.

Reference numerals: 1. a material guide plate; 2. a screening tank; 3. a work table; 4. a base plate; 5. a drive shaft; 6. a supporting seat; 7. a drive chain belt; 8. a screening roller; 9. a side panel; 10. connecting the chain belts; 11. a shaft head; 12. a drive motor; 13. an insulating shell.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

As shown in fig. 1-3, the efficient raw material crushing and pre-screening device provided by the utility model comprises a guide plate 1, a workbench 3, backing plates 4 and screening rollers 8, wherein a supporting seat 6 is welded on the lower surface of the workbench 3, a screening groove 2 is formed in the upper surface of the workbench 3, shaft heads 11 are symmetrically welded at two ends of the screening rollers 8, the shaft heads 11 are equidistantly and rotatably installed at the upper end of the inner wall of the screening groove 2, the shaft heads 11 are mutually connected through a connecting chain belt 10 in a transmission manner, the backing plates 4 are welded at the bottom end of the outer wall of the workbench 3, a driving motor 12 is installed on the backing plates 4 through bolts, a driving shaft 5 is rotatably installed on the driving motor 12, the driving shaft 5 is connected with the shaft heads 11 through a transmission chain belt 7 in a transmission manner, isolating shells 13 are symmetrically installed at the upper end of the outer wall of the workbench 3 through bolts, and the connecting chain belt 10 is located in the isolating shells 13.

The working principle based on the embodiment 1 is as follows: treat that the material of screening gets into on the device's screening roller 8, screening roller 8 is the synchronous rotation all, screening roller 8 in the material contact rotation receives the effect of power and removes to the other end from the device's one end, in this in-process, because there is certain clearance between the screening roller 8, the material jolts the action about producing between roller and roller, thereby shake off adnexed earth on the ore, earth falls to screening groove 2 in through the clearance between the roller, and the ore through the screening then removes to next process through stock guide 1.

It should be noted that the structure of the driving motor 12 is the existing mature technology, the working principle and the internal structure thereof are known to those skilled in the art, and the present invention only utilizes the function thereof and does not modify the internal structure thereof, so that detailed description is not repeated herein, and those skilled in the art can make any choice according to the needs or convenience thereof.

Example two

As shown in fig. 1 to 3, compared with the first embodiment, the efficient raw material crushing and pre-screening apparatus provided in the present invention further includes: the mounting hole has been seted up to the inner wall upper end of screening groove 2, and the mounting hole internal fixation has the axle sleeve, and spindle nose 11 rotates and installs on the axle sleeve, through the design of axle sleeve, reduces and rotates frictional force between spindle nose 11 and the screening groove 2.

The inner wall bottom of screening groove 2 is the inclined plane design, and the one end height that screening groove 2 is close to stock guide 1 is less than the other end height of screening groove 2, through the design on 2 inclined planes in screening groove for earth finally shifts out the device under the effect of gravity.

The notch position department symmetry in screening groove 2 is equipped with side board 9, and side board 9 passes through the bolt fastening on workstation 3, through the design of side board 9, avoids the ore to shift out the device at the in-process of conveying.

The shaft head 11 is provided with a ring groove matched with the connecting chain belt 10, the connecting chain belt 10 is positioned on the ring groove, and the dislocation of the chain belt can be effectively prevented through the design of the ring groove.

The number of the supporting seats 6 is four, and the positions of the four supporting seats 6 are distributed on the lower surface of the workbench 3 in a rectangular array.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.

The working principle is as follows: the raw material efficient crushing pre-screening device can be fixed at a proper position when in use, materials to be screened fall onto a screening roller 8 of the device through an external transportation structure, at the time, an external power supply is connected to enable a driving motor 12 to be electrified and operated, the driving motor 12 drives a driving shaft 5 to rotate, the driving shaft 5 drives shaft heads 11 to rotate through a chain belt, the shaft heads 11 are connected through the chain belt in a transmission manner, the screening rollers 8 on the device rotate synchronously, the materials contact with the screening rollers 8 in rotation and are forced to move from one end of the device to the other end, in the process, due to a certain gap between the screening rollers 8, the materials bump up and down between the rollers, so that soil attached to ores is shaken off, the soil falls into a screening groove 2 through the gap between the roller shafts, and through the design of the inclined surface of the screening groove 2, so that the soil is finally moved out of the device under the action of gravity, and the screened ore is moved to the next procedure through the guide plate 1.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a high-efficient broken pre-screening plant of raw materials, includes stock guide (1), workstation (3), backing plate (4) and screening roller (8), its characterized in that: the lower surface of the workbench (3) is welded with a supporting seat (6), the upper surface of the workbench (3) is provided with a screening groove (2), shaft heads (11) are symmetrically welded at two ends of the screening roller (8), the shaft heads (11) are rotatably arranged at the upper end of the inner wall of the screening groove (2) at equal intervals, the shaft heads (11) are in transmission connection with each other through a connecting chain belt (10), the backing plate (4) is welded at the bottom end of the outer wall of the workbench (3), a driving motor (12) is arranged on the backing plate (4) through a bolt, a driving shaft (5) is rotatably arranged on the driving motor (12), the driving shaft (5) is in transmission connection with the shaft head (11) through the transmission chain belt (7), the upper end of the outer wall of the workbench (3) is symmetrically provided with the isolation shell (13) through bolts, and the connection chain belt (10) is located in the isolation shell (13).

2. The raw material high-efficiency crushing and pre-screening device according to claim 1, characterized in that: the upper end of the inner wall of the screening groove (2) is provided with a mounting hole, a shaft sleeve is fixed in the mounting hole, and the shaft head (11) is rotatably mounted on the shaft sleeve.

3. The raw material high-efficiency crushing and pre-screening device according to claim 1, characterized in that: the bottom end of the inner wall of the screening groove (2) is designed to be an inclined plane, and the height of one end, close to the guide plate (1), of the screening groove (2) is lower than that of the other end of the screening groove (2).

4. The raw material high-efficiency crushing and pre-screening device according to claim 1, characterized in that: the screening device is characterized in that side panels (9) are symmetrically arranged at the positions of the notches of the screening grooves (2), and the side panels (9) are fixed on the workbench (3) through bolts.

5. The raw material high-efficiency crushing and pre-screening device according to claim 1, characterized in that: the shaft head (11) is provided with an annular groove matched with the connecting chain belt (10), and the connecting chain belt (10) is located on the annular groove.

6. The raw material high-efficiency crushing and pre-screening device according to claim 1, characterized in that: the number of the supporting seats (6) is four, and the positions of the four supporting seats (6) are distributed on the lower surface of the workbench (3) in a rectangular array.