CN219400951U

CN219400951U - Concrete aggregate screening plant

Info

Publication number: CN219400951U
Application number: CN202320380363.7U
Authority: CN
Inventors: 汤怀周
Original assignee: Hainan Dongdayang Concrete Co ltd
Current assignee: Hainan Dongdayang Concrete Co ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-07-25
Anticipated expiration: 2033-03-03

Abstract

The utility model provides a concrete aggregate screening device which comprises an annular screen, a stand column, a replacement mechanism and a blanking mechanism, wherein the replacement mechanism comprises a roller, a rotating motor, a spike and a rotating shaft, the blanking mechanism comprises a mountain-shaped blanking plate, after aggregate to be screened is conveyed to the upper part of the annular screen, the annular screen can screen the aggregate, fine aggregate can pass through the upper layer of the annular screen and fall onto the mountain-shaped blanking plate, the fine aggregate can be collected after sliding down along the mountain-shaped blanking plate, in the screening process, if the upper layer of the annular screen is blocked, the rotating motor can be started to drive the roller to rotate, and the surface of the roller is provided with the spike, so that the annular screen can be driven to perform annular movement, the upper layer and the lower layer of the annular screen are interchanged, the screen positioned on the upper layer is not blocked at the moment, the screening can be continued, the normal screening work is ensured, and the screening efficiency is improved.

Description

Concrete aggregate screening plant

Technical Field

The utility model relates to the technical field of concrete processing, in particular to a concrete aggregate screening device.

Background

One of the raw materials used in the concrete processing process is aggregate, the concrete aggregate plays a framework or a filling role in the concrete, coarse aggregate and fine aggregate are separated, the coarse aggregate refers to pebbles, broken stones and the like, the particle size is generally larger than 4.75mm, the fine aggregate refers to natural sand, artificial sand and the like, the particle size is smaller than 4.75mm, concrete aggregates with different particle sizes are selected according to different building requirements, and therefore, the concrete aggregates need to be screened in advance.

Disclosure of Invention

Therefore, the utility model provides the concrete aggregate screening device which can rapidly put a new screen into use when an old screen is blocked, and ensure that the screening process is carried out uninterruptedly.

The technical scheme of the utility model is realized as follows:

the utility model provides a concrete aggregate screening plant, includes cyclic annular screen cloth, stand, change mechanism and unloading mechanism, the stand sets up relatively, change mechanism includes cylinder, rotating electrical machines, spike and pivot, the cylinder sets up in cyclic annular screen cloth inside both sides relatively, spike sets up on the cylinder surface to stretch into cyclic annular screen cloth's net, the pivot sets up at the both ends of cylinder to rotate with the stand lateral wall and be connected, rotating electrical machines sets up at one of them stand and keeps away from the lateral wall of cylinder, its output shaft passes the stand and is connected with the pivot; the blanking mechanism comprises a ridged blanking plate, the top end of the ridged blanking plate is positioned inside the annular screen, and the bottom end of the ridged blanking plate extends to the outside of the annular screen.

Preferably, the replacing mechanism further comprises a bearing plate, the bearing plate is arranged on the side wall, far away from the roller, of the upright post, and the rotating motor is arranged on the bearing plate.

Preferably, the side wall of the upright post is provided with a mounting groove, the rotating shaft stretches into the mounting groove, and the output shaft of the rotating motor stretches into the mounting groove to be connected with the rotating shaft.

Preferably, the blanking mechanism further comprises a supporting plate, and the top surface of the supporting plate is connected with the bottom end of the ridge-shaped blanking plate.

Preferably, the discharging mechanism further comprises a first material collecting box, and the first material collecting box is arranged on the side wall of the supporting plate, which is far away from each other.

Preferably, the device further comprises a blockage cleaning mechanism, wherein the blockage cleaning mechanism comprises an electric push rod, a lifting plate and protrusions, the electric push rod is arranged on the bottom surface of the ridge-shaped blanking plate, an output shaft of the electric push rod is connected with the top surface of the lifting plate, the protrusions are arranged on the bottom surface of the lifting plate, and the protrusions are used for penetrating through grids of the annular screen.

Preferably, the blockage cleaning mechanism further comprises a second material collecting box, and the second material collecting box is arranged below the annular screen.

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

(1) pouring the aggregate to be screened onto an annular screen, wherein the upper layer of the annular screen can screen the aggregate, fine aggregate can fall onto a mountain-shaped blanking plate after passing through the upper layer of the annular screen, so that the aggregate screening is realized, and in the screening process, a rotary motor drives a roller to rotate in a reciprocating manner, so that the annular screen can be driven to perform reciprocating operation, and the aggregate can be screened rapidly;

(2) in the screening process, if the upper layer of the annular screen mesh is blocked, after the rotary motor drives the roller to rotate, the upper layer and the lower layer of the annular screen mesh can be interchanged, so that the blocked screen mesh is positioned below the ridge blanking plate, and the unblocked screen mesh can be moved above the ridge blanking plate, thereby facilitating the continuous screening process and improving the aggregate screening efficiency;

(3) aggregate passing through the screen can fall onto the ridged blanking plate and can slide downwards along the ridged blanking plate under the action of gravity, so that the aggregate is conveniently collected.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only preferred embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a concrete aggregate screening device of the present utility model;

FIG. 2 is a schematic structural view of a replacement mechanism for a concrete aggregate screening apparatus according to the present utility model;

FIG. 3 is a schematic diagram of a connection structure between a blanking mechanism and an annular screen of a concrete aggregate screening device according to the present utility model;

in the figure, 1 is an annular screen, 2 is an upright column, 3 is a roller, 4 is a rotating motor, 5 is a spike, 6 is a rotating shaft, 7 is a ridge-shaped blanking plate, 8 is a bearing plate, 9 is a mounting groove, 10 is a supporting plate, 11 is a first material collecting box, 12 is an electric push rod, 13 is a lifting plate, 14 is a bulge, and 15 is a second material collecting box.

Detailed Description

For a better understanding of the technical content of the present utility model, a specific example is provided below, and the present utility model is further described with reference to the accompanying drawings.

Referring to fig. 1 to 3, the concrete aggregate screening device provided by the utility model comprises an annular screen 1, upright posts 2, a replacement mechanism and a blanking mechanism, wherein the upright posts 2 are oppositely arranged, the replacement mechanism comprises a roller 3, a rotating motor 4, spines 5 and a rotating shaft 6, the roller 3 is oppositely arranged at two sides of the interior of the annular screen 1, the spines 5 are arranged on the surface of the roller 3 and extend into grids of the annular screen 1, the rotating shaft 6 is arranged at two ends of the roller 3 and is in rotary connection with the side walls of the upright posts 2, the rotating motor 4 is arranged on the side wall of one upright post 2 far away from the roller 3, and an output shaft of the rotating motor 4 penetrates through the upright posts 2 to be connected with the rotating shaft 6; the blanking mechanism comprises a ridged blanking plate 7, the top end of the ridged blanking plate 7 is positioned inside the annular screen 1, and the bottom end of the ridged blanking plate extends to the outside of the annular screen 1.

The utility model relates to a concrete aggregate screening device, which is used for screening aggregate into coarse aggregate and fine aggregate, wherein an annular screen 1 used for screening comprises an upper layer and a lower layer, the aggregate to be screened is conveyed onto the annular screen 1, the fine aggregate can pass through the upper layer of the annular screen 1 and enter the annular screen 1, a ridge-shaped blanking plate 7 is arranged in the annular screen 1, the fine aggregate can slide down to the outside of the annular screen 1 along the ridge-shaped blanking plate 7, and the coarse aggregate can be left above the upper layer of the annular screen 1, so that the screening of the aggregate is realized.

The inside both sides of cyclic annular screen cloth 1 have set up cylinder 3, are provided with a plurality of spines 5 on the cylinder 3, and spine 5 can stretch into in the net of cyclic annular screen cloth 1, and the both ends of cylinder 3 are rotated through pivot 6 and stand 2 and are connected, and rotating electrical machines 4 can drive the rotation of one of them cylinder 3 to can drive whole cyclic annular screen cloth 1 and do cyclic annular motion, at the in-process that carries out aggregate screening, rotating electrical machines 4 can drive cylinder 3 and carry out reciprocating type rotation, thereby can realize cyclic annular screen cloth 1's reciprocating motion, realize vibration screening, improve the efficiency of screening.

In the screening process, if the upper layer of the screen cloth is blocked, when the screening efficiency is reduced, the rotary motor 4 can drive the annular screen cloth 1 to do annular motion through the roller 3, so that the upper layer and the lower layer of the annular screen cloth 1 are interchanged, the upper layer of the annular screen cloth 1 is an unblocked screen cloth, the screening can be normally performed, the continuity of the screening work is ensured, the blocked screen cloth is moved to the lower side of the mountain-shaped blanking plate 7, and workers can reject blocked aggregate, so that the position of the screen cloth can be replaced again later.

Preferably, the replacing mechanism further comprises a bearing plate 8, the bearing plate 8 is arranged on the side wall of the upright post 2 far away from the roller 3, and the rotating motor 4 is arranged on the bearing plate 8.

The bearing plate 8 is used for providing an installation position for the rotating motor 4, so that the rotating motor 4 can drive the roller 3 to rotate.

Preferably, the side wall of the upright post 2 is provided with a mounting groove 9, the rotating shaft 6 extends into the mounting groove 9, and the output shaft of the rotating motor 4 extends into the mounting groove 9 to be connected with the rotating shaft 6.

The rotating motor 4 can drive the rotating shaft 6 and the roller 3 to rotate, and the rotating shaft 6 can rotate in the mounting groove 9 when rotating.

Preferably, the blanking mechanism further comprises a supporting plate 10, the top surface of the supporting plate 10 is connected with the bottom end of the ridge-shaped blanking plate 7, the blanking mechanism further comprises a first material collecting box 11, and the first material collecting box 11 is arranged on the side wall, away from each other, of the supporting plate 10.

The supporting plate 10 is used for providing support for the ridge blanking plate 7, and when fine aggregate passes through the upper layer of the annular screen 1 and falls to the top surface of the ridge blanking plate 7, the fine aggregate can slide downwards along the ridge blanking plate 7 and fall into the first collecting box 11, so that the collection of the fine aggregate is realized.

Preferably, the device further comprises a blockage cleaning mechanism, the blockage cleaning mechanism comprises an electric push rod 12, a lifting plate 13 and protrusions 14, the electric push rod 12 is arranged on the bottom surface of the ridge-shaped blanking plate 7, an output shaft of the electric push rod is connected with the top surface of the lifting plate 13, a plurality of protrusions 14 are arranged on the bottom surface of the lifting plate 13, the protrusions 14 are used for penetrating through grids of the annular screen 1, the blockage cleaning mechanism further comprises a second material collecting box 15, and the second material collecting box 15 is arranged below the annular screen 1.

When the blocked screen mesh moves below the ridge-shaped blanking plate 7, the electric push rod 12 can be started, the electric push rod 12 can drive the lifting plate 13 to descend, the protrusions 14 penetrate through the grids of the annular screen mesh 1, so that blocked aggregate can be pushed out, and the pushed aggregate can fall into the second collecting box 15 to be collected, so that screening can be carried out again.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The concrete aggregate screening device is characterized by comprising an annular screen, upright posts, a replacement mechanism and a blanking mechanism, wherein the upright posts are oppositely arranged, the replacement mechanism comprises a roller, a rotating motor, spines and a rotating shaft, the roller is oppositely arranged at two sides of the interior of the annular screen, the spines are arranged on the surface of the roller and extend into grids of the annular screen, the rotating shaft is arranged at two ends of the roller and is in rotary connection with the side walls of the upright posts, the rotating motor is arranged on the side wall of one upright post far away from the roller, and an output shaft of the rotating motor penetrates through the upright posts to be connected with the rotating shaft; the blanking mechanism comprises a ridged blanking plate, the top end of the ridged blanking plate is positioned inside the annular screen, and the bottom end of the ridged blanking plate extends to the outside of the annular screen.

2. A concrete aggregate screening device according to claim 1, wherein the replacement mechanism further comprises a carrier plate disposed on a side wall of the column remote from the drum, the rotating electric machine being disposed on the carrier plate.

3. A concrete aggregate screening device according to claim 1, wherein the side walls of the upright posts are provided with mounting grooves, the rotary shafts extend into the mounting grooves, and the output shafts of the rotary motors extend into the mounting grooves to be connected with the rotary shafts.

4. A concrete aggregate screening device according to claim 1, wherein the blanking mechanism further comprises a support plate, the top surface of the support plate being connected to the bottom end of the ridge-shaped blanking plate.

5. The concrete aggregate screening device of claim 4, wherein the blanking mechanism further comprises a first aggregate bin disposed on a side wall of the support plate remote from each other.

6. The concrete aggregate screening device according to claim 1, further comprising a blockage cleaning mechanism, wherein the blockage cleaning mechanism comprises an electric push rod, a lifting plate and protrusions, the electric push rod is arranged on the bottom surface of the ridge-shaped blanking plate, an output shaft of the electric push rod is connected with the top surface of the lifting plate, a plurality of protrusions are arranged on the bottom surface of the lifting plate, and the protrusions are used for penetrating through grids of the annular screen.

7. A concrete aggregate screening device according to claim 6, wherein the jam clearing mechanism further comprises a second aggregate bin disposed below the endless screen.