CN219150746U

CN219150746U - Concrete raw material screening device

Info

Publication number: CN219150746U
Application number: CN202223421938.XU
Authority: CN
Inventors: 宋国军; 李素亚
Original assignee: Hebei Jinqiang Cement Products Co ltd
Current assignee: Hebei Jinqiang Cement Products Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-06-09
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a concrete raw material screening device, which comprises a machine body, wherein a screening mechanism for screening concrete raw materials is arranged in an inner cavity of the machine body, the screening mechanism comprises two groups of screening boxes movably connected in the inner cavity of the machine body, the bottoms of the screening boxes are fixedly connected with screens with different filtering specifications, the top of the machine body is provided with a feeding hole capable of feeding, the bottom of the inner cavity of the machine body is movably connected with a collecting box, the screening boxes are movably connected in the inner cavity of the machine body through a linkage installation mechanism, and the linkage installation mechanism comprises two groups of installation blocks which are slidably connected at two sides of the inner cavity of the machine body.

Description

Concrete raw material screening device

Technical Field

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

Background

Concrete, abbreviated as "concrete": refers to the collective term for engineering composite materials in which aggregate is consolidated into a whole by a cementitious material. The term concrete generally refers to cement as a cementing material, sand and stone as aggregate; the cement concrete, also called ordinary concrete, obtained by mixing the cement concrete with water (which can contain additives and admixtures) according to a certain proportion is widely applied to civil engineering.

For this reason, chinese patent net discloses a concrete raw material screening device of application number CN209753373U, and through the screen cloth, the screen cloth is installed on enclosing the frame, encloses the frame bottom and installs the gyro wheel, enclose the frame below and install the support frame, form on the support frame and have the slide that cooperates with the gyro wheel; the surrounding frame is connected with a sleeve, and the sleeve is connected with a sliding rod in a sliding way; the sleeve shaft is connected with a first connecting rod, the first connecting rod is connected with a second connecting rod, and the second connecting rod is fixedly connected with a first motor; the surrounding frame comprises a lower surrounding frame and an upper surrounding frame; the lower surrounding frame and the upper surrounding frame are hinged with each other, and the screen mesh is connected with the upper surrounding frame. The utility model has simple structure, convenient use and convenient electric energy driving, can fully automatically screen out qualified materials, and saves manpower.

However, in the actual screening process, the concrete raw material is often required to be screened for multiple times, and is divided into different batches, for example, only a single screen is adopted for screening, and different screens are required to be replaced for repeated screening again, so that the screening process is increased, and the time cost is increased.

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

Disclosure of Invention

The utility model aims to provide a concrete raw material screening device which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a concrete raw materials sieving mechanism, includes the organism, the organism inner chamber is equipped with the screening mechanism that carries out the screening to the concrete raw materials, screening mechanism includes two sets of screening cases of swing joint at the organism inner chamber, the equal fixedly connected with of screening case bottom filters the screen cloth that the specification is different, the feed inlet that can the feeding has been seted up at the organism top, organism inner chamber bottom fixedly connected with collecting box, screening case passes through linkage installation mechanism swing joint at the organism inner chamber, linkage installation mechanism includes two sets of installation pieces of sliding connection in organism inner chamber both sides, the equal fixedly connected with connecting strip in screening case both sides, the screening case passes through connecting strip and installation piece swing joint, organism inner chamber bottom fixedly connected with multiunit promotes the flexible cylinder that the screening case carried out the displacement, flexible cylinder top all with installation piece fixed connection, the organism front side articulates there is the door plant, drives screening case and screen cloth through linkage installation mechanism and reciprocal up-down motion to realize carrying out the purpose of screening to the concrete raw materials spare.

Preferably, the inner cavity of the screening box is U-shaped, the screen mesh is located at the bottommost part of the inner cavity of the screening box, and the inner cavity of the screening box is U-shaped to prevent concrete raw materials from being accumulated at the bottom of the screening box and can flow on the screen mesh.

Preferably, the linkage installation mechanism further comprises a connecting groove formed in the surface of the installation block, the connecting groove is matched with the connecting strip, and the connecting strip is clamped with the installation block through the connecting groove.

Preferably, the linkage installation mechanism further comprises a plurality of groups of threaded slotted holes which are assembled inside the installation block and the connecting strip in a threaded mode, bolts which are matched with the threaded slotted holes are arranged on the surfaces of the connecting strip and the installation block, and the screening box is prevented from shaking during screening by the aid of the threaded slotted holes and the bolts.

Preferably, the linkage installation mechanism further comprises limiting grooves formed in two sides of the inner cavity of the machine body, one sides of the installation blocks are fixedly connected with limiting blocks matched with the limiting grooves, and the limiting grooves and the limiting blocks limit the movement paths of the installation blocks and limit the movement paths of the screening boxes.

Preferably, the linkage installation mechanism further comprises two groups of linkage rods fixedly connected between the installation blocks, and the linkage rods are utilized to drive the installation blocks to synchronously displace.

Preferably, the screening box and the collecting box are in vertical and vertical states, the screen diameter of the screen is sequentially reduced from top to bottom, the specification of concrete raw materials is refined, and the concrete raw materials with the same specification are left in one screening box.

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

the concrete raw materials that screening case inner chamber stored also vibration makes a round trip, by the screen cloth screening, the screen diameter of screen cloth is by last becoming smaller in proper order down, the concrete raw materials particle diameter of screening case inner chamber also becomes thin in proper order, the final fall of the thinnest concrete raw materials of granule is to the collecting box, once can carry out a lot of screening, distinguish different specification concrete raw materials, and need not to filter repeatedly, practice thrift cost of labor and time cost, the in-process at actual screening has been solved, often concrete raw materials need carry out a lot of screening concrete raw materials, divide into different batches, if only adopt single screen cloth to carry out the screening, need change different screen cloth and carry out the screening that relapse again, thereby increase screening process, increase the problem of time cost.

Drawings

FIG. 1 is a schematic view of the present utility model in elevation and cross section;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

fig. 3 is a schematic top view of the present utility model.

In the figure: 1. a body; 2. a screening mechanism; 201. a screening box; 202. a screen; 203. a feed inlet; 204. a collection box; 3. a linkage installation mechanism; 301. a mounting block; 302. a connecting strip; 303. a telescopic cylinder; 304. a connecting groove; 305. a threaded slot; 306. a bolt; 307. a limiting groove; 308. a limiting block; 309. a linkage rod; 4. and (5) a door plate.

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.

Referring to fig. 1-3, the present utility model provides a technical solution: a concrete raw material screening device, a machine body 1, wherein concrete raw materials flow into a screening box 201 in an inner cavity of the machine body 1 through a feed inlet 203, a telescopic cylinder 303 at the bottom of the inner cavity of the machine body 1 repeatedly stretches, a mounting block 301 at the top is pushed by the telescopic cylinder 303 to vertically displace, the mounting block 301 vertically displaces, a linkage rod 309 between two groups of mounting blocks 301 drives the two groups of mounting blocks 301 and the screening box 201 to synchronously vertically displace and jolt, and at the moment, the concrete raw materials in the inner cavity of the screening box 201 repeatedly vibrate and shake, and screen 202 is utilized for screening the concrete raw materials.

Referring to fig. 1-3, in the process of repeatedly stretching the stretching cylinder 303, the mounting block 301 at the top end of the stretching cylinder 303 drives the screening box 201 movably connected with the stretching cylinder to move, the limiting grooves 307 on two sides of the inner wall of the machine body 1 are matched with the limiting blocks 308 on one side of the mounting block 301, the displacement paths of the mounting block 301 are limited by the limiting grooves 307 and the limiting blocks 308, and vertical up-and-down displacement of the mounting block 301 and the screening box 201 each time is ensured.

Referring to fig. 1-3, when two groups of screening boxes 201 move up and down, the concrete raw materials stored in the inner cavities of the screening boxes 201 vibrate back and forth, the screen 202 screens, the screen diameter of the screen 202 sequentially decreases from top to bottom, the particle size of the concrete raw materials in the inner cavities of the screening boxes 201 also sequentially becomes thinner, the concrete raw materials with the finest particles finally fall into the collecting box 204, and the concrete raw materials with different specifications are screened once and screened for multiple times, so that the concrete raw materials with different specifications are distinguished without repeated screening, and the labor cost and the time cost are saved.

Referring to fig. 1-3, after screening is completed, the bolts 306 are taken out from the connecting bars 302 and the mounting blocks 301 through the threaded slots 305, the locking state of the screening box 201 and the mounting blocks 301 is finished, the door panel 4 is opened, the screening box 201 and the connecting bars 302 are taken down from the connecting grooves 304 in the mounting blocks 301, and the taking of the screening box 201 and the collecting box 204 is completed.

Working principle: the concrete raw materials flow into screening box 201 in the organism 1 inner chamber through feed inlet 203, telescopic cylinder 303 promotes the installation piece 301 at top and carries out the vertical displacement, installation piece 301 reciprocates, the trace 309 between two sets of installation pieces 301 drives two sets of installation pieces 301 and screening box 201 and carries out synchronous vertical displacement jolt, the concrete raw materials of screening box 201 inner chamber is vibration and shake repeatedly this moment, utilize screen cloth 202 to carry out screening treatment to the concrete raw materials, two sets of screening box 201 are when carrying out the vertical displacement, the concrete raw materials of screening box 201 inner chamber storage also vibrates back and forth, by screen cloth 202 carries out the screening, the screen diameter of screen cloth 202 diminishes from top to bottom in proper order, the concrete raw materials particle diameter of screening box 201 inner chamber also becomes thin in proper order, the particle is the final fall to in collection box 204, once screening carries out a plurality of times, distinguish the concrete raw materials of different specifications, and need not to repeat the screening, save cost of labor and time cost, often concrete raw materials need carry out a plurality of times in the in-process of actual screening, often concrete raw materials need to carry out the screening, be divided into different batches, if screening adopts single 202 to carry out the screen cloth, the screen cloth 202 need to change repeatedly, the time to increase the screening cost is increased again, thereby the screening process is carried out.

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 concrete raw materials sieving mechanism, includes organism (1), its characterized in that: the utility model provides a screening mechanism (2) that screening mechanism (2) was carried out to concrete raw materials is equipped with to organism (1) inner chamber, screening mechanism (2) are including two sets of screening casees (201) of swing joint in organism (1) inner chamber, screen cloth (202) that screening casees (201) bottom equal fixedly connected with filters the specification, feed inlet (203) that can feed are seted up at organism (1) inner chamber bottom swing joint has collecting box (204), screening casees (201) are through linkage installation mechanism (3) swing joint in organism (1) inner chamber, linkage installation mechanism (3) are including two sets of installation piece (301) of sliding connection in organism (1) inner chamber both sides, equal fixedly connected with connecting strip (302) in screening casees (201) are through connecting strip (302) and installation piece (301) swing joint, organism (1) inner chamber bottom fixedly connected with multiunit promotes flexible cylinder (303) that screening casees (201) carry out the displacement, flexible cylinder (303) top all with installation piece (301) fixed connection, organism (4) side hinge door plant (4).

2. A concrete raw material screening apparatus according to claim 1, wherein: the inner cavities of the screening boxes (201) are all U-shaped, and the screens (202) are all positioned at the bottommost parts of the inner cavities of the screening boxes (201).

3. A concrete raw material screening apparatus according to claim 1, wherein: the linkage installation mechanism (3) further comprises a connecting groove (304) formed in the surface of the installation block (301), and the connecting groove (304) is matched with the connecting strip (302).

4. A concrete raw material screening apparatus according to claim 2, wherein: the linkage installation mechanism (3) further comprises a plurality of groups of threaded slotted holes (305) which are assembled inside the installation block (301) and the connecting strip (302) in a threaded mode, and bolts (306) which are matched with the threaded slotted holes (305) are respectively arranged on the surfaces of the connecting strip (302) and the installation block (301).

5. A concrete raw material screening apparatus according to claim 1, wherein: the linkage installation mechanism (3) further comprises limiting grooves (307) formed in two sides of the inner cavity of the machine body (1), and limiting blocks (308) matched with the limiting grooves (307) are fixedly connected to one sides of the installation blocks (301).

6. A concrete raw material screening apparatus according to claim 1, wherein: the linkage installation mechanism (3) further comprises two groups of linkage rods (309) fixedly connected between the installation blocks (301).

7. A concrete raw material screening apparatus according to claim 1, wherein: the screening box (201) and the collecting box (204) are in vertical and vertical states, and the screen diameter of the screen (202) is sequentially reduced from top to bottom.