CN216369203U

CN216369203U - Grit aggregate belt cleaning device

Info

Publication number: CN216369203U
Application number: CN202122909963.1U
Authority: CN
Inventors: 卢德华; 刘向坤; 童小明; 杜增强; 王纹兵
Original assignee: China Nuclear Construction Concrete Co ltd
Current assignee: China Nuclear Construction Concrete Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-04-26
Anticipated expiration: 2031-11-24

Abstract

The utility model discloses a sandstone aggregate cleaning device which comprises a bracket, a water receiving bucket fixedly arranged on the bracket, a washing frame transversely slidably arranged above the water receiving bucket, a filter screen obliquely arranged at the bottom of the washing frame, and a driving device for driving the washing frame to transversely reciprocate, wherein the filter screen is arranged at the bottom of the washing frame; the filter screen sets up along washing material frame longitudinal slope, and the one end of washing the material frame and connecting the filter screen low point is equipped with the discharge gate, and the top of filter screen is equipped with the shower, and the below of filter screen is equipped with down the shower, and the water receiving is fought and is used for accepting the shower water, and the bottom of water receiving is fought is equipped with the outlet pipe. The utility model has good washing effect and low water content of the washed sandstone aggregate.

Description

Grit aggregate belt cleaning device

Technical Field

The utility model relates to the technical field of building materials, in particular to a sand aggregate cleaning device.

Background

The sandstone production process takes a crusher and a screening machine as core equipment, and crushed and screened gravel raw materials to obtain finished sandstone aggregate meeting the requirements of construction. The crushed stone raw materials carry soil, and crushed stones can also generate stone powder in the crushing process, so that the finished product sandstone aggregate needs to be cleaned before use, the mud content and the dust content are reduced, and high-quality concrete can be produced. The water content of the existing cleaning device after the sand and stone are cleaned is higher, and the cleaning is not thorough, so that the quality control of later-stage concrete production is not facilitated.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a sand aggregate cleaning device.

The technical scheme adopted by the utility model is as follows:

a sand aggregate cleaning device comprises a bracket, a water receiving hopper fixedly arranged on the bracket, a washing frame transversely slidably arranged above the water receiving hopper, a filter screen obliquely arranged at the bottom of the washing frame, and a driving device for driving the washing frame to transversely reciprocate; the filter screen sets up along washing material frame longitudinal slope, and the one end of washing the material frame and connecting the filter screen low point is equipped with the discharge gate, and the top of filter screen is equipped with the shower, and the below of filter screen is equipped with down the shower, and the water receiving is fought and is used for accepting the shower water, and the bottom of water receiving is fought is equipped with the outlet pipe.

Furthermore, the driving device comprises a first rotating shaft which is rotatably arranged on one side of the washing frame through a bearing seat, a first eccentric wheel and a driving toothed belt wheel which are fixedly sleeved on the first rotating shaft, a second rotating shaft which is rotatably arranged on the other side of the washing frame through a bearing seat, a second eccentric wheel and a driven toothed belt wheel which are fixedly sleeved on the second rotating shaft, a toothed belt which is connected with the driving toothed belt wheel and the driven toothed belt wheel, and a motor which drives the first rotating shaft to rotate; the first eccentric wheel and the second eccentric wheel are in rolling connection with the side wall of the washing frame, and when the rotating radius of the first eccentric wheel changes from small to large, the rotating radius of the second eccentric wheel changes from large to small.

Furthermore, the first eccentric wheel and the second eccentric wheel are respectively sleeved in the middle of the first rotating shaft and the second rotating shaft.

Furthermore, the water receiving bucket is in a square cone shape, sliding grooves are formed in the top surfaces of the two side walls of the water receiving bucket, and sliding rails in sliding fit with the sliding grooves are arranged on the two sides of the bottom of the washing frame.

Further, the filter screen is woven by stainless steel wires.

Further, the minimum size of the meshes of the filter screen is 3-4 mm.

Furthermore, the upper spray pipes are uniformly distributed along the longitudinal direction of the washing frame, and the spray holes are downward.

Furthermore, the lower spray pipes are uniformly distributed along the longitudinal direction of the washing frame, and the spray holes are upward.

The utility model has the beneficial effects that:

1. through setting up washing material frame, filter screen and upper and lower shower, the grit aggregate rolls the gliding along the filter screen surface under the action of gravity when washing the material frame, is washed by upper and lower shower water at the landing in-process, and the sewage after the washing is in time filtered out through the filter screen, and washing effect is good, and the grit aggregate moisture content is low after the washing.

2. The material washing frame is driven to transversely reciprocate by the driving device, so that washed sludge is not easy to block meshes of the filter screen, and automatic blanking of gravel aggregate is facilitated without blockage.

3. Through setting up water receiving bucket and outlet pipe, water receiving bucket collects washing waste water, and the outlet pipe is connected with the hose, can discharge washing waste water to water treatment facilities at a fixed point and handle the retrieval and utilization.

Drawings

FIG. 1 is a schematic structural view of a sand aggregate cleaning device of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

FIG. 3 is a schematic view of the connection structure of the washing frame and the driving device of the present invention.

Fig. 4 is a top view of fig. 3.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail and fully with reference to the accompanying drawings and a preferred embodiment.

Referring to fig. 1 to 4, the present embodiment provides a sand aggregate cleaning device, which includes a bracket, a material washing frame 40, a water receiving hopper 30, an upper spraying pipe 1, a lower spraying pipe 2, and a driving device 60.

The water receiving hopper 30 is in a square cone shape, and the bottom of the water receiving hopper is provided with a water outlet pipe 31. The outer surfaces of the two side walls of the water receiving hopper 30 are welded with supporting frames 312, and the water receiving hopper 30 is fixedly installed on the support through the supporting frames 312. The top surfaces of the two side walls of the water receiving hopper are provided with sliding chutes 311.

The washing frame 40 comprises a rectangular frame body 41 and a filter screen 42, wherein the rectangular frame body 41 is enclosed on three sides and is open in the front. The bottom of the rectangular frame 41 is provided with a slide rail 411 in sliding fit with the slide groove 311. The screen 42 is fixed obliquely upward in the rectangular frame 41 by screws, and the front end of the screen 42 and the left and right side walls of the rectangular frame 41 enclose a feed opening for synthesizing sand aggregate. The filter screen 42 is formed by weaving stainless steel wires, and the minimum size of the mesh of the filter screen is 3-4 mm. The filter screen woven by the stainless steel wires can enable the sandstone aggregate to roll and slide down on the filter screen, and the cleaning effect of the aggregate is improved. The mesh of screen cloth is 5mm generally during later screening, and preferred filter screen mesh minimum dimension is 3 ~ 4mm, can guarantee the drainage effect on the one hand, and on the other hand also can prevent that small particle size aggregate from being sieved.

The upper spray pipes 1 are uniformly distributed along the longitudinal direction of the washing frame, and the spray holes are downward. One end of each upper spray pipe 1 is connected with an upper water inlet main pipe, and the upper water inlet main pipe can be fixed on the rack through a pipe bracket.

The lower spray pipes 2 are uniformly distributed along the longitudinal direction of the washing frame, and the spray holes are upward. The plurality of lower spray pipes 2 are connected through a lower water inlet main pipe, and the lower water inlet main pipe can be fixed on the water receiving hopper 30 through a pipe bracket. The upper water inlet main pipe and the lower water inlet main pipe can be connected with the water inlet main pipe, the water inlet main pipe can be connected with the high-pressure water pump, and water is supplied to the upper spray pipe 1 and the lower spray pipe 2 through the high-pressure water pump.

The driving device 60 includes a motor 61, a driving cog belt wheel 64, a cog belt 65, a driven cog belt wheel 66, a first rotating shaft 62, a first eccentric 63, a second rotating shaft 67 and a second eccentric 68.

The first rotating shaft 62 is rotatably mounted on the left side of the washing frame 40 through a front bearing seat and a rear bearing seat 69, the first eccentric wheel 63 is fixedly sleeved in the middle of the first rotating shaft 62, the driving toothed belt wheel 64 is fixedly sleeved at the rear part of the first rotating shaft 62, one end of the first rotating shaft 62 extending out of the rear bearing seat is concentrically and fixedly connected with an output shaft of the motor 61, and the motor 61 is fixedly mounted behind the first rotating shaft 62 through a bracket.

The second rotating shaft 67 is rotatably arranged on the right side of the washing frame 40 through a front bearing seat and a rear bearing seat 69, a second eccentric wheel 68 is fixedly sleeved in the middle of the second rotating shaft 67, a driven toothed belt wheel 66 is fixedly sleeved at the rear part of the second rotating shaft 67, and the driven toothed belt wheel 66 and the driving toothed belt wheel 64 are synchronously connected through a toothed belt 65.

The first eccentric wheel 63 and the second eccentric wheel 68 have the same structure, the first eccentric wheel 63 is connected with the left side wall of the washing frame 40 in a rolling manner, and the second eccentric wheel 68 is connected with the right side wall of the washing frame 40 in a rolling manner.

The working principle of the utility model is as follows:

in the initial state, the minimum radius of the first eccentric wheel 63 is tangent to the left side wall of the washing frame 40, and the maximum radius of the second eccentric wheel 68 is tangent to the right side wall of the washing frame 40.

The motor 61 drives the first rotating shaft 62 to rotate, and the first rotating shaft 62 drives the second rotating shaft 67 to synchronously rotate in the same direction through the toothed belt 65;

the first stage is as follows: the rotating radius of the first eccentric wheel 63 is changed from small to large, and the washing frame 40 is pushed rightwards; meanwhile, the rotating radius of the second eccentric wheel 68 is reduced from large to small, and the washing frame 40 is avoided; when the maximum radius of the first eccentric wheel 63 is tangent to the left side wall of the washing frame 40, the washing frame 40 moves to the maximum position, and at the moment, the minimum radius of the second eccentric wheel 68 is tangent to the right side wall of the washing frame 40;

and a second stage: the rotating radius of the first eccentric wheel 63 is decreased from large, the rotating radius of the second eccentric wheel 68 is increased from small, the second eccentric wheel 68 pushes the washing frame 40 leftwards, and the first eccentric wheel 63 avoids the washing frame 40;

the first stage and the second stage are repeated, the material washing frame 40 is driven by the motor 61 to move left and right in a reciprocating mode along the sliding groove 311, gravel aggregates fall onto the filter screen 42 from the rear end of the material washing frame 40 and roll forward along the filter screen 42 under the action of gravity, the upper spray pipe 1 and the lower spray pipe 2 simultaneously discharge water to wash the gravel aggregates, and dust and sludge which are washed down are filtered into the water receiving hopper 30 through meshes and finally discharged through the water outlet pipe 31.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and the improvements and modifications are also within the protection scope of the present invention.

Claims

1. A sandstone aggregate cleaning device is characterized by comprising a bracket, a water receiving hopper fixedly arranged on the bracket, a washing frame transversely slidably arranged above the water receiving hopper, a filter screen obliquely arranged at the bottom of the washing frame, and a driving device for driving the washing frame to transversely reciprocate; the filter screen sets up along washing material frame longitudinal slope, and the one end of washing the material frame and connecting the filter screen low point is equipped with the discharge gate, and the top of filter screen is equipped with the shower, and the below of filter screen is equipped with down the shower, and the water receiving is fought and is used for accepting the shower water, and the bottom of water receiving is fought is equipped with the outlet pipe.

2. The sand and stone aggregate cleaning device as claimed in claim 1, wherein the driving means comprises a first rotating shaft rotatably mounted on one side of the washing frame through a bearing seat, a first eccentric wheel and a driving toothed pulley fixedly mounted on the first rotating shaft, a second rotating shaft rotatably mounted on the other side of the washing frame through a bearing seat, a second eccentric wheel and a driven toothed pulley fixedly mounted on the second rotating shaft, a toothed belt connecting the driving toothed pulley and the driven toothed pulley, and a motor for driving the first rotating shaft to rotate; the first eccentric wheel and the second eccentric wheel are in rolling connection with the side wall of the washing frame, and when the rotating radius of the first eccentric wheel changes from small to large, the rotating radius of the second eccentric wheel changes from large to small.

3. The sand and stone aggregate cleaning device as claimed in claim 2, wherein the first eccentric wheel and the second eccentric wheel are respectively sleeved on the middle parts of the first rotating shaft and the second rotating shaft.

4. The sand and stone aggregate cleaning device as claimed in claim 3, wherein the water receiving bucket is in a square cone shape, the top surfaces of the two side walls of the water receiving bucket are provided with sliding grooves, and the two sides of the bottom of the material washing frame are provided with sliding rails which are in sliding fit with the sliding grooves.

5. The sand and stone aggregate cleaning device as claimed in claim 1, wherein the screen is woven from stainless steel wires.

6. A sand and stone aggregate cleaning device as claimed in claim 5, wherein the minimum size of the mesh of the screen is 3-4 mm.

7. The sand and stone aggregate cleaning device as claimed in claim 1, wherein the upper spray pipes are uniformly distributed along the longitudinal direction of the material cleaning frame, and the spray holes are downward.

8. The sand and stone aggregate cleaning device as claimed in claim 7, wherein the plurality of lower spray pipes are uniformly distributed along the longitudinal direction of the material cleaning frame, and the spray holes are upward.