CN220969835U

CN220969835U - Raw material screening device for concrete production

Info

Publication number: CN220969835U
Application number: CN202322369762.6U
Authority: CN
Inventors: 刘经京; 颜启志; 卢家锆; 孙发圣; 陈崇泽
Original assignee: Sanya Ruize Shuanglin Building Materials Co ltd
Current assignee: Sanya Ruize Shuanglin Building Materials Co ltd
Priority date: 2023-09-01
Filing date: 2023-09-01
Publication date: 2024-05-17
Anticipated expiration: 2033-09-01

Abstract

The utility model discloses a raw material screening device for concrete production, which comprises a screening box, wherein the screening box comprises a screening mechanism, the screening mechanism comprises screening plates, the side walls of the screening plates are fixedly provided with symmetrically distributed first connecting rods, one ends of the two first connecting rods, which are far away from the screening plates, are rotatably sleeved with first connecting plates, one ends of the two first connecting rods, which are far away from the first connecting rods, are rotatably sleeved with second connecting plates, one ends of the two second connecting rods, which are far away from the first connecting plates, are rotatably sleeved with second connecting plates, a placing plate is arranged under the screening plates, and the side walls of one ends of the placing plate, which are far away from the first connecting plates, are fixedly provided with symmetrically distributed third connecting rods.

Description

Raw material screening device for concrete production

Technical Field

The utility model relates to the technical field of raw material screening for concrete production, in particular to a raw material screening device for concrete production.

Background

The concrete is the cement concrete which is obtained by mixing the aggregate cemented into an integral engineering composite material by cementing materials and water according to a certain proportion, wherein the proportion of sand in the components of the concrete is large, and when the sand is used, larger particles need to be filtered out, and when the sieving device is needed;

Publication number "CN218251474U" discloses a raw material screening device for concrete production, comprising: the device box is placed on the ground through bottom supporting legs; the screening box is vertically and slidably arranged in the device box, and the outer side of the screening box is connected with a first spring for resetting the screening box downwards; the fixed plate is fixedly connected to the bottom of the screening box, and the left side and the right side of the bottom of the screening box are fixedly connected with filter screens; the cover plate is placed at the top of the screening box; the motor is arranged at the rear side of the device box, the limiting rods are slidably arranged at the left side and the right side of the inside of the cover plate, and the second springs for resetting the limiting rods inwards are connected to the outer sides of the limiting rods. The raw material screening device for concrete production has the advantages that the screening effect is good, the screened raw materials are convenient to store, the sealing performance of the device is strong, dust is not easy to flow out in the screening process, and the environment is not easy to be polluted;

When the device is used, the screening box is driven to move downwards through the reset of the spring, so that the screening box vibrates to screen sand, but the spring force of the spring is smaller and smaller in the reset and extrusion process, so that the vibration force of the screening box is smaller and smaller, and the sand screening effect is poorer and worse;

for this purpose, we propose a raw material screening device for concrete production to solve the above problems.

Disclosure of utility model

The utility model aims to provide a raw material screening device for concrete production, which aims to solve the problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a raw materials screening plant for concrete production, including screening case, including screening mechanism in the screening case, screening mechanism includes the screening board, the lateral wall of screening board is fixed to be equipped with the head rod of symmetric distribution, the one end rotation cover that keeps away from the screening board of two head rods is equipped with the head plate, the one end rotation that the head rod was kept away from to two head plates is inserted and is equipped with the second connecting rod, the one end rotation cover that the head plate was kept away from to two second connecting rods is equipped with the second connecting plate, be equipped with under the screening board and place the board, the one end lateral wall that the head plate was kept away from to the placing board is fixed to be equipped with the third connecting rod of symmetric distribution, the one end rotation cover that the placing board was kept away from to two third connecting rods is equipped with the third connecting plate, the one end rotation that the third connecting rod was kept away from to two third connecting plates is inserted and is equipped with the fourth connecting rod, the one end that the third connecting plate was kept away from to two fourth connecting rods is rotated with the second connecting plate and is installed, the one end rotation cover that the second connecting rod was kept away from the second connecting rod is kept away from the fifth connecting rod.

Preferably, the lateral wall of screening board is fixed and is equipped with four first vibrations boards that are the rectangle and distribute, and the bottom fixed mounting of four first vibrations boards is at the inside lower surface of screening case, and the lateral wall of placing the board is fixed and is equipped with four second vibrations boards that are the rectangle and distribute, four second vibrations boards fixed mounting at the inside lower surface of screening case.

Preferably, a sand outlet groove is formed in one side of the screening box, one end of the placing plate is placed outside the screening box through the sand outlet groove, and the side wall of the placing plate is slidably mounted with the inner wall of the sand outlet groove. The screening case is kept away from one side of going out the sand groove and has been seted up out the stone groove, and the outside of screening case is arranged in through going out the stone groove to the one end of screening board, the lateral wall of screening board and the inner wall slidable mounting who goes out the stone groove. The first vibration plate and the second vibration plate are made of bendable materials.

Preferably, the upper surface of the screening box is fixedly provided with a feed chute. The screening plate is obliquely arranged with the placing plate. One end of the two driving plates, which is far away from the fifth connecting rod, is fixedly inserted with a driving rod, one end of the two driving rods, which is far away from the driving plate, is provided with a double-headed motor, and the two driving rods and the double-headed motor are coaxially and fixedly installed.

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

1. Through setting up screening mechanism, when using, screen sand through screening mechanism to reach the effect of screening the sand fast, avoided shaking force when screening the sand and become smaller and smaller, improved the effect of screening the sand;

2. Through having set up first vibrations board and second vibrations board, when using, first vibrations board and second vibrations board follow screening board and place the board vibrations, not only increased the screening board and placed the vibration frequency of board, also played the effect of supporting screening board and placing the board for the screening board can carry out more stable vibrations with placing the board, has improved the efficiency to sand screening.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the 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 diagram of the structure of the present utility model.

Fig. 2 is a schematic diagram of the structure of the screening box after separation in the present utility model.

Fig. 3 is a schematic view of the screening mechanism according to the present utility model.

In the figure: 1-a screening box; 2-screening plates; 20-a third connecting plate; 21-placing a plate; 22-a first connecting rod; 23-a first connecting plate; 24-a second connecting rod; 25-a second connecting plate; 26-a third connecting rod; 27-fourth connecting rod; 29-a fifth connecting rod; 200-driving plates; 210-a double-ended motor; 220-a drive rod; 211-a first vibration plate; 212-a second vibration plate; 3-a sand outlet groove; 4-a stone outlet groove; 5-feed tank.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: as shown in fig. 1-3, the utility model provides a raw material screening device for concrete production, comprising a screening box 1, wherein the screening box 1 comprises a screening mechanism, the screening mechanism comprises a screening plate 2, the side wall of the screening plate 2 is fixedly provided with symmetrically distributed first connecting rods 22, one ends of the two first connecting rods 22, which are far away from the screening plate 2, are rotatably sleeved with first connecting rods 23, one ends of the two first connecting rods 23, which are far away from the first connecting rods 22, are rotatably inserted with second connecting rods 24, one ends of the two second connecting rods 24, which are far away from the first connecting rods 23, are rotatably sleeved with second connecting rods 25, a placing plate 21 is arranged under the screening plate 2, the side wall of one end of the placing plate 21, which is far away from the first connecting plates 23, is fixedly provided with symmetrically distributed third connecting rods 26, one ends of the two third connecting rods 26, which are far away from the placing plate 21, are rotatably sleeved with third connecting plates 20, a fourth connecting rod 27 is rotatably inserted into one end of the two third connecting plates 20 far away from the third connecting rod 26, one end of the two fourth connecting rods 27 far away from the third connecting plates 20 is rotatably installed with the second connecting plates 25, one end of the two second connecting plates 25 far away from the second connecting rods 24 is rotatably inserted with a fifth connecting rod 29, one end of the two fifth connecting rods 29 far away from the second connecting plates 25 is rotatably sleeved with a driving plate 200, one side of the screening box 1 is provided with a sand outlet groove 3, one end of the placing plate 21 is arranged outside the screening box 1 through the sand outlet groove 3, the side wall of the placing plate 21 is slidably installed with the inner wall of the sand outlet groove 3, one side of the screening box 1 far away from the sand outlet groove 3 is provided with a stone outlet groove 4, one end of the screening plate 2 is arranged outside the screening box 1 through the stone outlet groove 4, the side wall of the screening plate 2 is slidably installed with the inner wall of the stone outlet groove 4, the upper surface of the screening box 1 is fixedly provided with a feeding groove 5, one end of the two driving plates 200, which is far away from the fifth connecting rod 29, is fixedly inserted with a driving rod 220, one end of the two driving rods 220, which is far away from the driving plates 200, is provided with a double-headed motor 210, and the two driving rods 220 and the double-headed motor 210 are coaxially and fixedly installed; firstly, the double-headed motor 210 is started, the double-headed motor 210 drives the two driving rods 220 to rotate, the two driving rods 220 drive the two driving plates 200 to rotate, the two driving plates 200 drive the two second connecting plates 25 to reciprocate while rotating around the two driving rods 220, the two second connecting plates 25 drive the two first connecting plates 23 to reciprocate through the second connecting rods 24, the two first connecting plates 23 drive the sieving plates 2 to reciprocate through the first connecting rods 22, so that the sieving plates 2 vibrate, the two second connecting plates 25 drive the two first connecting plates 23 to reciprocate, the two second connecting plates 25 drive the two third connecting plates 20 to reciprocate through the two fourth connecting rods 27, the two third connecting plates 20 drive the placing plates 21 to reciprocate through the two third connecting rods 26, so that the placing plates 21 vibrate, subsequently, put into screening case 1 with the sand through feed chute 5, when the sand falls on screening board 2, screening board 2 in the vibrations sieves the sand, the sand falls on place board 21 through the through-hole on screening board 2, the great granule of screening out is discharged through play stone chute 4 under the effect of the vibrations of screening board 2, the sand after the screening of placing on board 21 is discharged through play sand chute 3 under the effect of placing board 21 vibrations, afterwards, the staff collects the sand after the screening and great granule, through having set up screening mechanism, when using, screen the sand through screening mechanism, thereby reached the effect of sieving the sand fast, vibration force when sieving the sand is avoided getting smaller and smaller, the effect of sieving the sand has been improved.

Four first vibrating plates 211 which are in rectangular distribution are fixedly arranged on the side wall of the screening plate 2, the bottom ends of the four first vibrating plates 211 are fixedly arranged on the inner lower surface of the screening box 1, four second vibrating plates 212 which are in rectangular distribution are fixedly arranged on the side wall of the placing plate 21, and the four second vibrating plates 212 are fixedly arranged on the inner lower surface of the screening box 1; first, when screening board 2 and placing board 21 carry out screening vibrations to the sand, first vibrations board 211 and second vibrations board 212 follow screening board 2 and place board 21 vibrations, have not only increased screening board 2 and placed board 21's vibration frequency, have also played the effect of supporting screening board 2 and placing board 21 for screening board 2 and placing board 21 can carry out more stable vibrations, have improved the efficiency to sand screening.

The first vibration plate 211 and the second vibration plate 212 are made of bendable materials; thereby achieving prevention of breakage of the first vibration plate 211 and the second vibration plate 212. The screening plate 2 and the placing plate 21 are obliquely placed; thereby achieving the purpose of conveniently and rapidly discharging the sand and larger particles which are screened out.

Working principle: when in use, the double-headed motor 210 is started firstly, the double-headed motor 210 drives the two driving rods 220 to rotate, the two driving rods 220 drive the two driving plates 200 to rotate, the two driving plates 200 drive the two second connecting plates 25 to reciprocate while rotating around the two driving rods 220, the two second connecting plates 25 drive the two first connecting plates 23 to reciprocate through the second connecting rods 24, the two first connecting plates 23 drive the sieving plates 2 to reciprocate through the first connecting rods 22, so that the sieving plates 2 vibrate, the two second connecting plates 25 drive the two first connecting plates 23 to reciprocate, the two second connecting plates 25 drive the two third connecting plates 20 to reciprocate through the two fourth connecting rods 27, the two third connecting plates 20 drive the placing plates 21 to reciprocate through the two third connecting rods 26, so that the placing plates 21 vibrate, subsequently, sand is put into the screening box 1 through the feed chute 5, when the sand falls onto the screening plate 2, the vibrating screening plate 2 screens the sand, the sand falls onto the placing plate 21 through the through holes in the screening plate 2, the screened larger particles are discharged through the stone discharging grooves 4 under the action of the vibration force of the screening plate 2, the screened sand falling onto the placing plate 21 is discharged through the sand discharging grooves 3 under the action of the vibration force of the placing plate 21, then, the screened sand and the larger particles are collected by staff, and when the screening mechanism is arranged, the sand is screened through the screening mechanism, so that the effect of rapidly screening the sand is achieved, the vibration force is smaller and smaller when the sand is screened, and the effect of screening the sand is improved;

Subsequently, when screening plate 2 and placing plate 21 are vibrated to screen sand, first vibration plate 211 and second vibration plate 212 follow screening plate 2 and place plate 21 vibrations, so that not only is the vibration frequency of screening plate 2 and placing plate 21 increased, but also the effect of supporting screening plate 2 and placing plate 21 is achieved, and screening plate 2 and placing plate 21 can perform more stable vibrations, and the efficiency of screening sand is improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a raw materials screening plant for concrete production which characterized in that: including screening case (1), including screening mechanism in screening case (1), screening mechanism includes screening board (2), the fixed head rod (22) that are equipped with symmetric distribution of lateral wall of screening board (2), two the one end rotation cover that keeps away from screening board (2) of head rod (22) is equipped with first connecting plate (23), two the one end rotation that head rod (22) was kept away from to first connecting plate (23) is inserted and is equipped with second connecting rod (24), two the one end rotation cover that head rod (23) was kept away from to second connecting rod (24) is equipped with second connecting plate (25), be equipped with under screening board (2) and place board (21), the one end lateral wall that head rod (23) was kept away from to place board (21) is fixed and is equipped with symmetric distribution's third connecting rod (26), two the one end rotation cover that head rod (21) was kept away from to third connecting rod (26) is equipped with third connecting plate (20), two the rotation that head rod (20) were kept away from one end rotation that head rod (26) was equipped with fourth connecting rod (27) is kept away from to third connecting plate (27) is kept away from head rod (25), one end of the two fifth connecting rods (29) far away from the second connecting plate (25) is rotatably sleeved with a driving plate (200).

2. A raw material screening apparatus for concrete production according to claim 1, wherein: the utility model discloses a screening box, including screening board (2) and screening box (1), screening board (2) lateral wall is fixed to be equipped with four first vibrations boards (211) that are the rectangle and distribute, four the bottom fixed mounting of first vibrations boards (211) is at the inside lower surface of screening box (1), place the lateral wall of board (21) and be fixed to be equipped with four second vibrations boards (212) that are the rectangle and distribute, four second vibrations boards (212) fixed mounting is at the inside lower surface of screening box (1).

3. A raw material screening apparatus for concrete production according to claim 1, wherein: one side of screening case (1) has seted up out sand groove (3), the outside of screening case (1) is arranged in through going out sand groove (3) to the one end of placing board (21), the lateral wall of placing board (21) and the inner wall slidable mounting who goes out sand groove (3).

4. A raw material screening apparatus for concrete production according to claim 3, wherein: the sand outlet device is characterized in that a stone outlet groove (4) is formed in one side, far away from the sand outlet groove (3), of the screening box (1), one end of the screening plate (2) is arranged outside the screening box (1) through the stone outlet groove (4), and the side wall of the screening plate (2) is slidably mounted with the inner wall of the stone outlet groove (4).

5. A raw material screening apparatus for concrete production according to claim 2, wherein: the first vibration plate (211) and the second vibration plate (212) are made of bendable materials.

6. A raw material screening apparatus for concrete production according to claim 1, wherein: the upper surface of the screening box (1) is fixedly provided with a feed chute (5).

7. A raw material screening apparatus for concrete production according to claim 1, wherein: the screening plate (2) and the placing plate (21) are obliquely placed.

8. A raw material screening apparatus for concrete production according to claim 1, wherein: one end, far away from the fifth connecting rod (29), of the two driving plates (200) is fixedly inserted with a driving rod (220), one end, far away from the driving plates (200), of the two driving rods (220) is provided with a double-headed motor (210), and the two driving rods (220) and the double-headed motor (210) are coaxially and fixedly installed.