CN219442464U - Graded screening plant of concrete preparation grit material - Google Patents

Abstract

The utility model discloses a sand stone grading and screening device for concrete preparation, which comprises a vibrating screen box main body and a guide discharging mechanism, wherein a first-stage screen and a second-stage screen are arranged in the vibrating screen box main body; according to the utility model, the first-stage screen mesh is combined with the guiding and discharging mechanism, so that the screened materials can be collected and discharged, meanwhile, the angle of the guide plate in the vertical direction can be changed, the discharging speed is conveniently increased, the situation that the discharged materials are detained or accumulated on the guide plate is avoided, and the sand and stone screening convenience is improved.

Description

Graded screening plant of concrete preparation grit material

Technical Field

The utility model belongs to the technical field of sand and stone screening, in particular relates to a sand and stone material classifying and screening device for concrete preparation, and particularly relates to a vibrating screen for classifying and screening sand and stone materials for concrete preparation.

Background

Sand, which refers to a loose mixture of sand and crushed stone. The sand and stone materials are one of important raw materials used in the concrete preparation process, the sand and stone materials are subjected to screening treatment by a vibrating screen device in the concrete preparation process, so that the preparation and processing uniformity of the sand and stone materials is ensured, for example, a vibrating screen with the model YA1530 is ensured, the vibrating screen uses vibration excitation of a vibrating motor as a vibration source, so that the materials are thrown up on a screen, simultaneously move forwards in a straight line, the materials uniformly enter a feed inlet of a screening machine from a feeder, screen oversize materials and undersize materials with a plurality of specifications are generated through a plurality of layers of screen meshes, and are discharged from respective outlets.

When some vibrating screens are used for screening sand and stone materials, the angle of a discharge hole at the front end of the screen is usually fixed, and a smooth guide plate enables the discharge speed of the sand and stone materials after screening to be limited, so that the problem of sand and stone material discharge is not facilitated, and the sand and stone material grading and screening device for concrete preparation is provided.

Disclosure of Invention

The utility model aims to provide a grading and screening device for sand and stone materials in concrete preparation, which is used for solving the problem that the sand and stone materials in the background art can be slowly piled up in discharging speed.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hierarchical screening plant of concrete preparation grit material, includes the shale shaker case main part to and direction bin outlet mechanism, inside one-level screen cloth and the second grade screen cloth of being provided with of shale shaker case main part, direction bin outlet mechanism installs between shale shaker case main part front end and one-level screen cloth, direction bin outlet mechanism includes stock guide, mounting panel, backup pad, spacing subassembly and bearing, the stock guide is located one-level screen cloth front end lower surface, two T types the mounting panel is fixed at the shale shaker case main part inner wall, the backup pad is inner to be fixed at the stock guide lower surface, the backup pad outer end is connected with the mounting panel inner through bearing and spacing subassembly.

Preferably, the limiting assembly comprises a fixed convex plate and a limiting bolt, the outer end of the supporting plate is sleeved at the end part of the mounting plate, a bearing is embedded and installed between the fixed convex plate and the limiting bolt, and a countersunk nail is arranged between the inner end of the supporting plate and the material guiding plate.

Preferably, the fixing convex plate is vertically fixed on the surface of the end part of the supporting plate, the limit bolt is vertically and rotationally arranged on the fixing convex plate, and the inner end of the fixing convex plate is in contact with the surface of the mounting plate.

Preferably, the cross section of the material guide plate is U-shaped, and the lower surface of the front end of the material guide plate is provided with a supporting component.

Preferably, the support assembly comprises a fixed column and a support tube, wherein a circular plate is arranged on the upper surface of the fixed column, and the circular plate is fixed on the lower surface of the front end of the material guide plate through screws.

Preferably, the support pipe is sleeved at the lower end of the fixed column, and the support pipe and the fixed column are in threaded connection.

Preferably, the bottom of the vibrating screen box main body is provided with a base, and a useful vibrating spring is arranged between the base and the base.

Preferably, a driving mechanism is further arranged between the vibrating screen box main body and the machine base, the driving mechanism comprises a motor, a belt and a belt wheel, and the secondary screen is located below the primary screen.

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

(1) According to the utility model, the first-stage screen mesh is combined with the guiding and discharging mechanism, so that the screened materials can be collected and discharged, meanwhile, the angle of the guide plate in the vertical direction can be changed, the discharging speed is conveniently increased, the situation that the discharged materials are detained or accumulated on the guide plate is avoided, and the sand and stone screening convenience is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the guide discharge mechanism of the present utility model;

FIG. 3 is a schematic view of a spacing assembly according to the present utility model;

FIG. 4 is a schematic view of a support assembly according to the present utility model;

in the figure: 100. a vibrating screen box body; 101. a first-stage screen; 102. a second-stage screen; 103. a base; 200. a guide discharging mechanism; 201. a material guide plate; 202. a mounting plate; 203. a support plate; 204. a limit component; 2041. fixing the convex plate; 2042. a limit bolt; 205. a bearing; 300. a support assembly; 301. fixing the column; 302. and (5) supporting the tube.

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. 1-4, the present utility model provides a technical solution: the utility model provides a hierarchical screening plant of grit material of concrete preparation, including vibrating screen box main part 100, and direction stock removal mechanism 200, vibrating screen box main part 100 inside is provided with one-level screen cloth 101 and second grade screen cloth 102, can play multistage screening effect to the grit material with two screens, direction stock removal mechanism 200 installs between vibrating screen box main part 100 front end and one-level screen cloth 101, direction stock removal mechanism 200 can be convenient for the better row of grit material after the screening, direction stock removal mechanism 200 includes the stock guide 201, mounting panel 202, backup pad 203, spacing subassembly 204 and bearing 205, the stock guide 201 is located one-level screen cloth 101 front end lower surface, be convenient for collect the row material to the grit material after the screening, the mounting panel 202 of two T types is fixed at vibrating screen box main part 100 inner wall, through the fix with screw, make things convenient for follow-up dismouting, the backup pad 203 inner is fixed at the stock guide 201 lower surface, the backup pad 203 outer end is connected with the mounting panel 202 inner through bearing 205, be convenient for change the angular position of backup pad 203, thereby change the guiding angle of stock guide 201.

In this embodiment, preferably, the limiting component 204 includes a fixing protruding plate 2041 and a limiting bolt 2042, the limiting component 204 can limit and fix the position of the supporting plate 203, so that the position of the material guiding plate 201 in the vertical direction is fixed, the outer end of the supporting plate 203 is sleeved at the end of the mounting plate 202, a bearing 205 is embedded and installed between the outer end of the supporting plate 203 and the end of the material guiding plate 201, a countersunk nail is arranged between the inner end of the supporting plate 203 and the material guiding plate 201, the fixing protruding plate 2041 is fixed on the end surface of the supporting plate 203 vertically, the limiting bolt 2042 is installed on the fixing protruding plate 2041 vertically and in a screwing manner, the inner end of the fixing protruding plate 2041 contacts with the surface of the mounting plate 202, and the positions of the material guiding plate 201 and the supporting plate 203 can be limited and fixed by using the friction resistance of contact.

In this embodiment, preferably, the cross section of the guide plate 201 is U-shaped, so as to play a role in guiding and shielding the screened sand and stone materials, and the lower surface of the front end of the guide plate 201 is provided with a supporting component 300.

In this embodiment, preferably, the supporting component 300 includes a fixing column 301 and a supporting tube 302, and the supporting component 300 is utilized to support the guide plate 201, so as to increase the stability of the guide plate 201 in use, the upper surface of the fixing column 301 is provided with a circular plate, the circular plate is fixed on the lower surface of the front end of the guide plate 201 by a screw, the supporting tube 302 is sleeved on the lower end of the fixing column 301, and the supporting tube 302 and the fixing column 301 are in threaded connection, and the distance between the supporting tube 302 and the fixing column 301 can be adjusted in a rotating manner.

In this embodiment, preferably, the base 103 is disposed at the bottom of the vibrating screen box main body 100, and a useful vibrating spring is disposed therebetween, so as to play a role of buffering.

In this embodiment, preferably, a driving mechanism is further disposed between the vibrating screen box main body 100 and the stand 103, the driving mechanism includes a motor, a belt and a belt wheel, the secondary screen 102 is located below the primary screen 101, the screen diameters of the surfaces of the two are different, the motor is installed with one belt wheel, and the other belt wheel is installed on the side surface of the vibrating screen box main body 100, and the two belt wheels are connected through the belt.

The working principle and the using flow of the utility model are as follows: when the utility model is used, the guide discharging mechanism 200 is fixed on the inner surface of the vibrating screen box main body 100 through the bolts, meanwhile, the material guide plate 201 is positioned below the first-stage screen cloth 101, the supporting plate 203 rotates around the end part of the mounting plate 202, the angle between the material guide plate 201 and the vertical direction is changed, the subsequent discharging acceleration is increased, when the position of the material guide plate 201 is proper, the inner end of the material guide plate is tightly screwed with the limit bolt 2042 to contact with the inner side surface of the mounting plate 202, the positions of the supporting plate 203 and the material guide plate 201 can be limited and fixed by utilizing the friction resistance of contact, and the front end of the second-stage screen cloth 102 is also provided with the guide discharging mechanism 200 backwards, so that the vibrating screen box main body 100 is driven to vibrate along with the whole vibrating screen, the sand and stone materials after screening are discharged from the material guide plate 201, and the sand and stone materials after screening are convenient for subsequent concrete preparation procedures.

Although embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may 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 (8)

1. The utility model provides a hierarchical screening plant of concrete preparation grit material, includes shale shaker case main part (100) to and direction stock removal mechanism (200), inside one-level screen cloth (101) and the second grade screen cloth (102) that are provided with of shale shaker case main part (100), its characterized in that: the guide discharging mechanism (200) is arranged between the front end of the vibrating screen box main body (100) and the primary screen (101), the guide discharging mechanism (200) comprises a guide plate (201), a mounting plate (202), a supporting plate (203), a limiting component (204) and a bearing (205), the guide plate (201) is positioned on the lower surface of the front end of the primary screen (101), the two T-shaped mounting plates (202) are fixed on the inner wall of the vibrating screen box main body (100), the inner ends of the supporting plates (203) are fixed on the lower surface of the guide plate (201), and the outer ends of the supporting plates (203) are connected with the inner ends of the mounting plate (202) through the bearing (205) and the limiting component (204).

2. A concrete preparation gravel material classifying and screening device according to claim 1, wherein: the limiting assembly (204) comprises a fixed convex plate (2041) and a limiting bolt (2042), the outer end of the supporting plate (203) is sleeved at the end part of the mounting plate (202), a bearing (205) is embedded and mounted between the outer end of the supporting plate and the end part of the mounting plate, and a countersunk head nail is arranged between the inner end of the supporting plate (203) and the material guiding plate (201).

3. A concrete preparation gravel material classifying and screening device according to claim 2, wherein: the fixing convex plate (2041) is vertically fixed on the end surface of the supporting plate (203), the limiting bolt (2042) is vertically and rotatably arranged on the fixing convex plate (2041), and the inner end of the fixing convex plate (2041) is in contact with the surface of the mounting plate (202).

4. A concrete preparation gravel material classifying and screening device according to claim 1, wherein: the cross section of the material guide plate (201) is U-shaped, and a supporting component (300) is arranged on the lower surface of the front end of the material guide plate (201).

5. The concrete preparation gravel material classifying and screening device according to claim 4, wherein: the supporting assembly (300) comprises a fixing column (301) and a supporting tube (302), wherein a circular plate is arranged on the upper surface of the fixing column (301), and the circular plate is fixed on the lower surface of the front end of the stock guide (201) through screws.

6. The concrete preparation gravel material classifying and screening device according to claim 5, wherein: the support tube (302) is sleeved at the lower end of the fixed column (301), and the support tube and the fixed column are in threaded connection.

7. A concrete preparation gravel material classifying and screening device according to claim 1, wherein: the bottom of the vibrating screen box main body (100) is provided with a base (103), and a useful vibrating spring is arranged between the base and the base.

8. A concrete preparation gravel material classifying and screening device according to claim 1, wherein: a driving mechanism is further arranged between the vibrating screen box main body (100) and the machine base (103), the driving mechanism comprises a motor, a belt and a belt wheel, and the secondary screen (102) is located below the primary screen (101).