CN217410922U

CN217410922U - Concrete raw material screening device

Info

Publication number: CN217410922U
Application number: CN202220657985.5U
Authority: CN
Inventors: 张金
Original assignee: Shandong Jinnuolankang New Energy And Environmental Protection Technology Co ltd
Current assignee: Shandong Jinnuolankang New Energy And Environmental Protection Technology Co ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-09-13
Anticipated expiration: 2032-03-24

Abstract

The utility model discloses a concrete raw material screening plant, including landing leg, box, elementary screening subassembly, crushing roller, mobile guide subassembly, secondary screening subassembly and the drawer that gathers materials, the box is located on the landing leg, be equipped with elementary screening portion, processing portion and collection portion in the box, elementary screening portion and processing portion all communicate with collection portion, be equipped with the filling tube on the box, filling tube and elementary screening portion intercommunication, from the top down is equipped with the chamber of gathering materials, smashes chamber and secondary screening chamber in proper order in the processing portion, elementary screening portion passes through the pan feeding mouth with the chamber of gathering materials and communicates, the chamber of gathering materials passes through the feed opening with crushing chamber. The utility model relates to the technical field of concrete, in particular to a concrete screening device which can avoid the blockage of a screen plate, is helpful for improving the screening efficiency and is convenient for processing unqualified screened concrete raw materials; concrete raw materials sieving mechanism convenient to carry out the collection to screening qualified concrete raw materials.

Description

Concrete raw material screening device

Technical Field

The utility model relates to a concrete technical field specifically indicates a concrete raw materials sieving mechanism.

Background

Concrete, referred to as "concrete" for short: refers to the general name of engineering composite materials formed by cementing aggregate into a whole by cementing materials. The term concrete generally refers to cement as the cementing material and sand and stone as the aggregate; the cement concrete, also called ordinary concrete, is widely used in civil engineering. Concrete is one of the most important civil engineering materials of the present generation. The screening treatment is carried out on the raw materials of the concrete before the raw materials of the concrete are sold out of factories, and unqualified raw materials of the concrete are screened out, so a screening device for the raw materials of the concrete is needed, but the existing screening device for the raw materials of the concrete has single function, can only screen the raw materials of the concrete in the using process, and is inconvenient to treat the unqualified raw materials of the concrete; in the process of screening the concrete raw materials, the sieve plate is easy to block, and the screening efficiency is influenced; and the qualified concrete raw materials are not convenient to collect, and the practicability is lower.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a screening plate which can avoid the blockage of the screening plate, is helpful to improve the screening efficiency and is convenient to process unqualified screened concrete raw materials; concrete raw materials sieving mechanism convenient to carry out the collection to screening qualified concrete raw materials.

The utility model adopts the following technical scheme: the utility model relates to a concrete raw material screening device, which comprises a supporting leg, a box body, a primary screening component, a crushing roller, a movable guide component, a secondary screening component and a material collecting drawer, wherein the box body is arranged on the supporting leg, a primary screening part, a processing part and a collecting part are arranged in the box body, the primary screening part and the processing part are communicated with the collecting part, a charging pipe is arranged on the box body and is communicated with the primary screening part, a material collecting cavity, a crushing cavity and a secondary screening cavity are sequentially arranged in the processing part from top to bottom, the primary screening part is communicated with the material collecting cavity through a material inlet, the material collecting cavity is communicated with the crushing cavity through a material outlet, the crushing cavity is communicated with the secondary screening cavity through a material outlet, the primary screening component is arranged in the primary screening part, the crushing roller is rotatably arranged in the crushing cavity, the crushing roller is symmetrically provided with two groups, the movable guide component is arranged in the secondary screening cavity, the secondary screening component is arranged in the secondary screening cavity and positioned below the secondary screening component, and the collecting drawer is arranged in the collecting part in a sliding mode.

Further, elementary screening subassembly includes cam, first spring and first sieve, first spring is located in elementary screening portion, first sieve is located on the first spring, be equipped with the fixed axle in the pan feeding mouth, the rotatory cover of first sieve is located on the fixed axle, the cam is rotatory to be located in elementary screening portion and to be connected with the contact of first sieve.

Further, mobile guide subassembly includes first motor, worm and guide unit, be equipped with the drive case on the box, the drive incasement is located to first motor, the worm is located on the output shaft of first motor, the guide unit is located secondary screening intracavity and cooperatees with the worm with extending to the drive incasement, the guide unit includes pivot, first stock guide and worm wheel, the pivot is rotatory to be located secondary screening intracavity, first stock guide cup joints in locating the pivot, the one end rotation of pivot runs through secondary screening chamber and extends to the drive incasement, the worm wheel cup joints in locating the pivot and meshes with the worm.

Further, secondary screening subassembly includes second spring and second sieve, the second spring is located secondary screening intracavity, the second sieve is located on the second spring.

Furthermore, a second material guide plate is arranged in the primary screening part.

Furthermore, a second motor is arranged on the box body, two groups of second motors are arranged on the box body, and the two groups of crushing rollers are respectively arranged on output shafts of the two groups of second motors.

Furthermore, a third motor is arranged in the primary screening part, and the cam is arranged on an output shaft of the third motor.

Furthermore, a vibration motor is arranged on the second sieve plate.

Furthermore, two groups of material guide units are symmetrically arranged.

Further, the first motor is a forward and reverse rotating motor.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: the scheme is provided with a primary screening assembly and crushing rollers, the primary screening assembly is convenient for primary screening of concrete raw materials, unqualified screened concrete raw materials can be guided into the material collecting cavity, the unqualified concrete raw materials pass through the material discharging opening and enter the crushing cavity, and two groups of second motors are used for driving two groups of crushing rollers to rotate relatively to process the unqualified concrete raw materials; the movable material guide component is arranged, so that the processed concrete raw material can be conveniently and uniformly guided onto the second sieve plate through the movable material guide component, and the second sieve plate has a better filtering effect on the concrete raw material; this scheme is equipped with the second stock guide, can cushion the concrete raw materials that falls down on by first sieve through the second stock guide, reduces concrete raw materials and drops produced noise and raise dust from the eminence.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a front sectional view of the present solution;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic structural view of the movable material guiding assembly in the present embodiment.

The screening device comprises a support leg 1, a support leg 2, a box body 3, a primary screening assembly 4, a crushing roller 5, a movable material guide assembly 6, a secondary screening assembly 7, a material collection drawer 8, a feeding pipe 9, a material collection cavity 10, a crushing cavity 11, a secondary screening cavity 12, a cam 13, a first spring 14, a first screen plate 15, a first motor 16, a worm 17, a material guide unit 18, a rotating shaft 19, a first material guide plate 20, a worm gear 21, a second spring 22, a second screen plate 23, a second material guide plate 24, a second motor 25 and a vibrating motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in figures 1-4, the concrete raw material screening device of the utility model comprises a supporting leg 1, a box body 2, a primary screening component 3, a crushing roller 4, a movable material guiding component 5, a secondary screening component 6 and a material collecting drawer 7, wherein the box body 2 is arranged on the supporting leg 1, a primary screening part, a processing part and a collecting part are arranged in the box body 2, the primary screening part and the processing part are both communicated with the collecting part, a charging pipe 8 is arranged on the box body 2, the charging pipe 8 is communicated with the primary screening part, a material collecting cavity 9, a crushing cavity 10 and a secondary screening cavity 11 are sequentially arranged in the processing part from top to bottom, the primary screening part is communicated with the material collecting cavity 9 through a material inlet, the material collecting cavity 9 is communicated with the crushing cavity 10 through a material outlet, the crushing cavity 10 is communicated with the secondary screening cavity 11 through a material outlet, the primary screening component 3 is arranged in the primary screening part, the crushing roller 4 is rotatably arranged in the crushing cavity 10, two groups of crushing rollers 4 are symmetrically arranged, the movable material guide assemblies 5 are arranged in the secondary screening cavity 11, the secondary screening assembly 6 is arranged in the secondary screening cavity 11 and is positioned below the secondary screening assembly 6, and the material collection drawer 7 is arranged in the collection part in a sliding manner; the primary screening assembly 3 comprises a cam 12, a first spring 13 and a first screen plate 14, the first spring 13 is arranged in the primary screening part, the first screen plate 14 is arranged on the first spring 13, a fixed shaft is arranged in the feeding port, the first screen plate 14 is rotatably sleeved on the fixed shaft, and the cam 12 is rotatably arranged in the primary screening part and is in contact connection with the first screen plate 14; the movable material guide assembly 5 comprises a first motor 15, a worm 16 and a material guide unit 17, a driving box is arranged on the box body 2, the first motor 15 is arranged in the driving box, the worm 16 is arranged on an output shaft of the first motor 15, the material guide unit 17 is arranged in the secondary screening cavity 11 and matched with the worm 16 after extending into the driving box, the material guide unit 17 comprises a rotating shaft 18, a first material guide plate 19 and a worm wheel 20, the rotating shaft 18 is rotatably arranged in the secondary screening cavity 11, the first material guide plate 19 is sleeved on the rotating shaft 18, one end of the rotating shaft 18 rotatably penetrates through the secondary screening cavity 11 and extends into the driving box, and the worm wheel 20 is sleeved on the rotating shaft 18 and is meshed with the worm 16; the secondary screening assembly 6 comprises a second spring 21 and a second screen plate 22, the second spring 21 is arranged in the secondary screening chamber 11, and the second screen plate 22 is arranged on the second spring 21; a second material guide plate 23 is arranged in the primary screening part; the box body 2 is provided with a second motor 24, the second motors 24 are provided with two groups, and the two groups of crushing rollers 4 are respectively arranged on output shafts of the two groups of second motors 24; a third motor is arranged in the primary screening part, and the cam 12 is arranged on an output shaft of the third motor; the second sieve plate 22 is provided with a vibration motor 25; two groups of material guiding units 17 are symmetrically arranged; the first motor 15 is a counter-rotating motor.

When the material guide plate is used, the first motor 15, the second motor 24, the vibration motor 25 and the third motor are started, the third motor drives the cam 12 to rotate, the first sieve plate 14 can be driven to vibrate in a reciprocating mode through continuous rotation of the cam 12 and matching with the first spring 13, the two groups of second motors 24 drive the two groups of crushing rollers 4 to rotate relatively, the first motor 15 drives the worm 16 to rotate, the worm 16 drives the worm wheel 20 to rotate, the worm wheel 20 drives the rotating shaft 18 to rotate, the rotating shaft 18 drives the first material guide plate 19 to rotate, the first motor 15 is a forward and reverse rotation motor, and the first motor 15 is driven to rotate in a forward and reverse rotation mode alternately, so that the first material guide plate 19 can be driven to swing in a reciprocating mode continuously; concrete raw materials are added into the primary screening part through a feeding pipe 8, so that the concrete raw materials fall onto a first sieve plate 14, the concrete raw materials are primarily filtered through the reciprocating vibration of the first sieve plate 14, the qualified filtered concrete raw materials pass through the first sieve plate 14 and fall onto a second guide plate 23 for buffering, finally the concrete raw materials pass through the primary screening part and fall into an aggregate drawer 7, the concrete raw materials falling from the first sieve plate 14 can be buffered through the second guide plate 23, the noise and the raised dust generated by the falling of the concrete raw materials from a high position are reduced, the unqualified primarily screened concrete raw materials pass through a feeding port and enter a material collecting cavity 9, then pass through a discharging port and enter a crushing cavity 10, and are extruded and crushed through a crushing roller 4, so that the unqualified concrete raw materials are treated, the treated concrete raw materials pass through a discharging port and fall onto a first guide plate 19, through the reciprocal swing of first stock guide 19, can lead the different positions on the second sieve 22 with the concrete raw materials for the distribution of concrete raw materials on second sieve 22 is more even, drives the vibrations of second sieve 22 through vibrating motor 25, screens the concrete raw materials on the second sieve 22, and the material that the screening is qualified passes secondary screening chamber at last and falls to in the drawer 7 that gathers materials.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. The utility model provides a concrete raw materials sieving mechanism which characterized in that: comprises supporting legs, a box body, a primary screening component, a crushing roller, a movable guide component, a secondary screening component and a material collecting drawer, wherein the box body is arranged on the supporting legs, a primary screening part, a processing part and a collecting part are arranged in the box body, the primary screening part and the processing part are communicated with the collecting part, a charging pipe is arranged on the box body and is communicated with the primary screening part, a material collecting cavity, a crushing cavity and a secondary screening cavity are sequentially arranged in the processing part from top to bottom, the primary screening part and the material collecting cavity are communicated through a material inlet, the material collecting cavity and the crushing cavity are communicated through a material outlet, the crushing cavity and the secondary screening cavity are communicated through a material outlet, the primary screening component is arranged in the primary screening part, the crushing roller is rotatably arranged in the crushing cavity, the crushing roller is symmetrically provided with two groups, the movable guide component is arranged in the secondary screening cavity, the secondary screening assembly is arranged in the secondary screening cavity and located below the secondary screening assembly, and the collection drawer is arranged in the collection portion in a sliding mode.

2. The concrete feed screening apparatus of claim 1, wherein: elementary screening subassembly includes cam, first spring and first sieve, first spring is located in the elementary screening portion, first sieve is located on the first spring, be equipped with the fixed axle in the pan feeding mouth, the rotatory cover of first sieve is located on the fixed axle, the cam rotation is located in the elementary screening portion and is connected with the contact of first sieve.

3. The concrete feed screening apparatus of claim 2, wherein: the movable guide assembly comprises a first motor, a worm and a guide unit, a drive box is arranged on the box body, the first motor is arranged in the drive box, the worm is arranged on an output shaft of the first motor, the guide unit is arranged in a secondary screening cavity and matched with the worm in the drive box in an extending mode, the guide unit comprises a rotating shaft, a first guide plate and a worm wheel, the rotating shaft is arranged in the secondary screening cavity in a rotating mode, the first guide plate is sleeved on the rotating shaft, one end of the rotating shaft rotates to penetrate through the secondary screening cavity and extends to the drive box, and the worm wheel is sleeved on the rotating shaft and is meshed with the worm.

4. A concrete feed screening apparatus according to claim 3, wherein: the secondary screening subassembly includes second spring and second sieve, the second spring is located secondary screening intracavity, the second sieve is located on the second spring.

5. The concrete raw material screening device according to claim 4, characterized in that: and a second material guide plate is arranged in the primary screening part.

6. The concrete feed screening apparatus of claim 5, wherein: the box body is provided with two groups of second motors, and the two groups of crushing rollers are respectively arranged on output shafts of the two groups of second motors.

7. The concrete feed screening device of claim 6, wherein: and a third motor is arranged in the primary screening part, and the cam is arranged on an output shaft of the third motor.

8. The concrete feed screening apparatus of claim 7, wherein: and the second sieve plate is provided with a vibration motor.

9. The concrete feed screening apparatus of claim 8, wherein: two groups of material guiding units are symmetrically arranged.

10. The concrete feed screening apparatus of claim 9, wherein: the first motor is a forward and reverse rotating motor.