CN216368925U

CN216368925U - A multistage screening sand device for concrete preparation

Info

Publication number: CN216368925U
Application number: CN202121792421.4U
Authority: CN
Inventors: 陆伟伟; 方波; 王晓春; 姜林强; 严智建
Original assignee: Quzhou Shuntong Building Materials Technology Co ltd
Current assignee: Quzhou Shuntong Building Materials Technology Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-04-26
Anticipated expiration: 2031-08-03

Abstract

The utility model discloses a multistage sand screening device for concrete preparation, which comprises a fixed support, wherein a sand screening groove is arranged in the fixed support, a plurality of limiting slide bars are fixedly connected to the outer surfaces of two symmetrical sides of the sand screening groove respectively, and the limiting slide bars are slidably arranged in slide holes on the outer surface of the fixed support. This a multistage screening sand device for concrete preparation, can be through the top of the leading-in screening sand groove of the sand that will treat the screening of outside conveyer belt, then utilize the screening cylinder to drive the inside reciprocating motion of screening sand groove at the fixed bolster, and then make the screening sand groove topmost sand toward the displacement of bottom, when through first screening sand through-hole, the second screens sand through-hole, during the third screening sand through-hole, utilize the first screening sand through-hole in different apertures, the second screens sand through-hole, the third screens sand through-hole and screens the operation to the raw materials sand step by step, and then effectual completion multistage screening operation, need not manual intervention simultaneously when screening operation, degree of automation is high.

Description

A multistage screening sand device for concrete preparation

Technical Field

The utility model relates to the technical field of sand screening for concrete production, in particular to a multistage sand screening device for concrete preparation.

Background

In modern building engineering, one of the necessary building materials for concrete needs high-quality concrete in order to ensure the firmness of the whole building, so that the concrete needs to use a composition such as sand with a proper diameter when being produced, and a special sand screening device needs to be used for screening raw material sand before the sand with a proper diameter is selected.

However, the existing sand screening device cannot simultaneously carry out multi-stage screening on the raw material sand, and simultaneously needs a great amount of manual intervention in the process of screening the sand.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multi-stage sand screening device for concrete preparation, and aims to solve the technical problems that the existing sand screening device cannot simultaneously carry out multi-stage screening on raw material sand, and a large amount of manual intervention is required in the sand screening process.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a multistage screening sand device for concrete preparation, includes the fixed bolster, the inside of fixed bolster is provided with the screening sand groove, on the symmetry both sides surface in screening sand groove respectively a plurality of spacing slide bars of fixedly connected with, spacing slide bar slidable mounting is in the slide opening on the fixed bolster surface, be provided with first screening sand through-hole, second screening sand through-hole, third screening sand through-hole on the bottom surface in screening sand groove, the aperture of first screening sand through-hole, second screening sand through-hole, third screening sand through-hole is linear increase.

Preferably, the outer surface fan fixedly connected with cylinder fixed bolster of one side of fixed bolster, the fixed mounting has the screening cylinder in the mounting hole of cylinder fixed bolster terminal surface, the flexible end of screening cylinder and the spacing slide bar one end fixed connection of screening husky groove one side.

Preferably, a plurality of finished product collecting hoppers are fixedly installed inside the fixing support.

Preferably, the finished product collecting hopper is located below the sand sieving groove, and the finished product collecting hoppers correspond to the first sand sieving through hole, the second sand sieving through hole, the third sand sieving through hole and the position right below an opening at one end of the sand sieving groove respectively.

Preferably, a plurality of finished product conveying belts are arranged below the finished product collecting hopper.

Preferably, the number of the finished product conveying belts is the same as that of the finished product collecting hoppers, and the finished product conveying belts are located right below the discharge ports of the finished product collecting hoppers.

Preferably, the sand screening grooves are distributed obliquely.

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

this a multistage screening sand device for concrete preparation, can be through the top of the leading-in screening sand groove of the sand that will treat the screening of outside conveyer belt, then utilize the screening cylinder to drive the inside reciprocating motion of screening sand groove at the fixed bolster, and then make the screening sand groove topmost sand toward the displacement of bottom, when through first screening sand through-hole, the second screens sand through-hole, during the third screening sand through-hole, utilize the first screening sand through-hole in different apertures, the second screens sand through-hole, the third screens sand through-hole and screens the operation to the raw materials sand step by step, and then effectual completion multistage screening operation, need not manual intervention simultaneously when screening operation, degree of automation is high.

Drawings

FIG. 1 is an overall schematic view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a right side view of the present invention.

In the figure: 1. fixing a bracket; 2. screening a sand groove; 3. a first sand screening through hole; 4. a second sand screening through hole; 5. a third sand screening through hole; 6. a finished product conveyer belt; 7. a limiting slide bar; 8. a cylinder fixing bracket; 9. a screening cylinder; 10. finished product collection fill.

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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a multi-stage sand screening device for concrete preparation comprises a fixed support 1, a sand screening groove 2 is arranged in the fixed support 1, the sand screening groove 2 is distributed in an inclined manner, a plurality of limiting slide bars 7 are respectively and fixedly connected to the outer surfaces of two symmetrical sides of the sand screening groove 2, the limiting slide bars 7 are slidably mounted in slide holes on the outer surface of the fixed support 1, a first sand screening through hole 3, a second sand screening through hole 4 and a third sand screening through hole 5 are arranged on the outer surface of the bottom end of the sand screening groove 2, the aperture of the first sand screening through hole 3, the aperture of the second sand screening through hole 4 and the aperture of the third sand screening through hole 5 are linearly increased, an air cylinder fixed support 8 is fixedly connected to the outer surface of one side of the fixed support 1 in a fan manner, a screening air cylinder 9 is fixedly mounted in a mounting hole on the end face of the air cylinder fixed support 8, the telescopic end of the screening air cylinder 9 is fixedly connected with one end of the limiting slide bar 7 on one side of the sand screening groove 2, wherein sand to be screened can be guided into the uppermost end of the sand screening groove 2 through an external conveying belt, then utilize screening cylinder 9 to drive the inside reciprocating motion of screening husky groove 2 at fixed bolster 1, and then make the husky groove 2 topmost husky toward the displacement of lower extreme, when through first screening husky through-hole 3, second screening husky through-hole 4, during third screening husky through-hole 5, utilize the first screening husky through-hole 3 in different apertures, second screening husky through-hole 4, third screening husky through-hole 5 filters the operation to the raw materials husky step by step, and then effectual completion multistage screening operation, need not manual intervention when the screening operation simultaneously, degree of automation is high.

Referring to fig. 1-3, a plurality of finished product collecting hoppers 10 are fixedly installed inside the fixing bracket 1, the finished product collecting hoppers 10 are located below the sand sieving tank 2, and the finished product collecting hoppers 10 respectively correspond to the first sand sieving through hole 3, the second sand sieving through hole 4, the third sand sieving through hole 5 and a position right below an opening at one end of the sand sieving tank 2, so that the finished product collecting hoppers 10 can be used for effectively guiding finished products.

Referring to fig. 1-3, a plurality of finished product conveyor belts 6 are disposed below the finished product collecting hopper 10, the number of the finished product conveyor belts 6 is the same as that of the finished product collecting hopper 10, and the finished product conveyor belts 6 are located right below the discharge port of the finished product collecting hopper 10, so that the finished product conveyor belts 6 can be used to conveniently convey the finished product.

The working principle is as follows: firstly, sand to be screened is guided into the uppermost end of a sand screening groove 2 through an external conveying belt, then a screening cylinder 9 is utilized to drive the sand screening groove 2 to reciprocate in a fixed support 1, and further, the sand at the uppermost end of the sand screening groove 2 is enabled to move towards the lowermost end, when the sand passes through a first sand screening through hole 3, a second sand screening through hole 4 and a third sand screening through hole 5, the raw material sand is screened step by utilizing the first sand screening through hole 3, the second sand screening through hole 4 and the third sand screening through hole 5 with different apertures, and a finished product falls into a finished product collecting hopper 10, under the guidance of the finished product collecting hopper 10, the finished product falls onto a finished product conveying belt 6 at a corresponding position, and under the conveying of the finished product conveying belt 6, the finished product reaches a specified position.

In the embodiments of the present application, the descriptions of the directional terms such as "front", "back", "left" and "right" are only described according to the directions shown in the drawings shown in the present application, and are not limited to the scope of the claims of the present application, and in the specific implementation process, other similar or similar embodiments may be obtained by correspondingly modifying the embodiments according to the embodiments, and all of the embodiments are within the scope of the present application, and the descriptions of the other similar or similar embodiments are not repeated in the present application.

Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and that the simple modifications or equivalent substitutions of the technical solutions of the present invention by those of ordinary skill in the art can be made without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A multistage screening sand device for concrete preparation, includes fixed bolster (1), its characterized in that: the inside of fixed bolster (1) is provided with sieve husky groove (2), a plurality of spacing slide bars of fixedly connected with (7) respectively on the symmetry both sides surface of sieve husky groove (2), spacing slide bar (7) slidable mounting is in the slide opening on fixed bolster (1) surface, be provided with first sieve husky through-hole (3), second sieve husky through-hole (4), third sieve husky through-hole (5) on the bottom surface of sieve husky groove (2), the aperture of first sieve husky through-hole (3), second sieve husky through-hole (4), third sieve husky through-hole (5) is linear increase.

2. The multi-stage sand screening device for concrete preparation according to claim 1, wherein: fan fixedly connected with cylinder fixed bolster (8) are gone up to one side surface of fixed bolster (1), the mounting hole internal fixation of cylinder fixed bolster (8) terminal surface has screening cylinder (9), the flexible end of screening cylinder (9) and the spacing slide bar (7) one end fixed connection of screening husky groove (2) one side.

3. The multi-stage sand screening device for concrete preparation according to claim 1, wherein: a plurality of finished product collecting hoppers (10) are fixedly arranged in the fixed support (1).

4. A multi-stage sand screening device for concrete preparation according to claim 3, wherein: finished product is collected and is fought (10) and be located the below of screening husky groove (2), and just below a plurality of finished product are collected and are fought (10) and correspond first screening husky through-hole (3), second screening husky through-hole (4), third screening husky through-hole (5) and screening husky groove (2) one end opening respectively.

5. A multi-stage sand screening device for concrete preparation according to claim 3, wherein: a plurality of finished product conveying belts (6) are arranged below the finished product collecting hopper (10).

6. A multi-stage sand screening device for concrete preparation according to claim 5, wherein: the number of the finished product conveying belts (6) is the same as that of the finished product collecting hoppers (10), and the finished product conveying belts are located right below the discharge ports of the finished product collecting hoppers (10).

7. The multi-stage sand screening device for concrete preparation according to claim 1, wherein: the sand screening grooves (2) are distributed in an inclined mode.