CN216266811U

CN216266811U - Premixing device of concrete mixer

Info

Publication number: CN216266811U
Application number: CN202122735418.5U
Authority: CN
Inventors: 张志渊; 王志良
Original assignee: Zhengzhou Changli Machinery Manufacture Co ltd
Current assignee: Zhengzhou Changli Machinery Manufacture Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-04-12
Anticipated expiration: 2031-11-10

Abstract

The utility model discloses a premixing device of a concrete mixer, which relates to the technical field of concrete processing, and comprises a shell, wherein the top of the shell is provided with a driving motor, the output end of the driving motor is provided with a main shaft, the main shaft extends downwards into the shell, and the bottom of the main shaft is rotatably provided with a filter plate; a plurality of stirring pieces are fixedly arranged on the outer side of the main shaft, and are equidistantly arranged on the main shaft from top to bottom and are positioned in the shell; according to the utility model, the scraper and the stirring rod can be driven to move when the main shaft rotates by utilizing the arrangement of the counterweight balls, and meanwhile, the adjustment is carried out according to the centrifugal force during rotation under the coordination of the tension springs, so that the scraper and the stirring rod can be driven to move towards the circle center when more raw materials are used, and the damage of the scraper and the stirring rod caused by overlarge resistance is avoided; meanwhile, the counterweight ball is arranged to rotate so as to collide with the raw material.

Description

Premixing device of concrete mixer

Technical Field

The utility model relates to the technical field of concrete processing, in particular to a premixing device of a concrete mixer.

Background

At present, with the continuous development of economic construction and the acceleration of urbanization process in China, urban infrastructure and real estate development in China are rapidly developed, the rapid improvement of concrete yield is promoted, commercial concrete production is an important improvement for changing the traditional production mode of dispersing and stirring concrete on site and realizing building industrialization, and concrete is premixed before being stirred so as to ensure the effect of stirring and mixing concrete raw materials.

However, the concrete is likely to cause damage to the stirring blades due to the large resistance of the raw materials during the preliminary stirring, and the large size of the raw material particles to be preliminarily stirred requires knocking and crushing during the stirring.

Therefore, it is necessary to provide a premixing apparatus for a concrete mixer to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a premixing device of a concrete mixer, which aims to solve the problems that the prior art has more raw materials and larger resistance to cause damage of a mixing blade during premixing of concrete, and the premixed raw materials have larger particles and need to be knocked and crushed during mixing.

In order to achieve the purpose, the utility model provides the following technical scheme: a premixing device of a concrete mixer comprises a shell, wherein a driving motor is installed at the top of the shell, a main shaft is installed at the output end of the driving motor, the main shaft extends downwards into the shell, and a filter plate is rotatably installed at the bottom of the main shaft;

the outside fixed mounting of main shaft has a plurality of stirring pieces, and is a plurality of stirring piece from top to bottom equidistance is installed on the main shaft and is located the inside of shell, forms the stirring piece and carries out rotatory stirring under the drive of main shaft to according to the length of centrifugal force's size adjustment stirring piece.

Optionally, the shell includes a middle shell, a cover plate is fixedly connected to the top of the middle shell, and a material discharging bottom shell is fixedly connected to the bottom of the middle shell.

Optionally, the top of the cover plate is fixedly connected with a feeding pipeline, and the bottom of the discharging bottom shell is fixedly connected with a discharging pipeline.

Optionally, the stirring part comprises a fixed sleeve fixed on the outer side of the main shaft, a guide shell is fixedly connected to the outer side of the fixed sleeve, a sliding groove which is through inside and outside is formed in the outer side of the guide shell, and a sliding stirring blade is slidably mounted inside the guide shell.

Optionally, the slip stirring leaf includes the sliding block of slidable mounting in the direction shell inside, the outside fixedly connected with puddler of sliding block, the puddler passes the sliding tray and is located the outside of direction shell, one side fixedly connected with accept bar of sliding block, the one end fixedly connected with scraper blade of sliding block is kept away from to the accept bar, the scraper blade under the effect of centrifugal force with the internal surface contact of middle part casing.

Optionally, the other side fixedly connected with extension spring of sliding block, the one end and the inside wall fixed connection of direction shell that the sliding block was kept away from to the extension spring.

Optionally, one side of the stirring rod is fixedly connected with a receiving head, one side of the receiving head far away from the stirring rod is fixedly connected with a receiving rope, and one end of the receiving rope far away from the receiving head is fixedly connected with a counterweight ball.

The utility model has the technical effects and advantages that:

1. according to the utility model, the scraper and the stirring rod can be driven to move when the main shaft rotates by utilizing the arrangement of the counterweight balls, and meanwhile, the adjustment is carried out according to the centrifugal force during rotation under the coordination of the tension springs, so that the scraper and the stirring rod can be driven to move towards the circle center when more raw materials are used, and the damage of the scraper and the stirring rod caused by overlarge resistance is avoided; meanwhile, the counterweight balls are arranged to rotate to collide with the raw materials, and the raw materials are knocked to be crushed.

2. The raw materials can be filtered by the filter plate, so that the raw materials meeting the requirements can be normally discharged; the normal stretching out that can guarantee the puddler of utilizing the setting of sliding tray can also lead to the puddler simultaneously, avoids the puddler to appear rotating.

3. The scraper blade can not only stir raw materials, but also scrape the raw materials adhered to the middle shell, so that the self-cleaning effect is realized, the raw materials are prevented from being adhered to the middle shell, the normal premixing of the raw materials is influenced, the scraper blade can be fixed by the aid of the bearing rod, the scraper blade is driven to move, and the scraper blade is prevented from loosening under stress.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic view of the interior of the structure of the present invention;

FIG. 3 is a schematic structural view of the scraper cleaning state of the present invention;

FIG. 4 is a schematic view of the structure of the stirring member of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 4 according to the present invention.

In the figure: 1. a drive motor; 2. a main shaft; 3. a filter plate; 4. a middle housing; 5. a cover plate; 6. a material discharging bottom shell; 7. a feeding pipeline; 8. a discharge conduit; 9. a fixed sleeve body; 10. a guide housing; 11. a sliding groove; 12. a slider; 13. a stirring rod; 14. a bearing rod; 15. a squeegee; 16. a tension spring; 17. a bearing head; 18. a carrying rope; 19. and (4) weighing the ball.

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.

The utility model provides a premixing device of a concrete mixer, which comprises a shell, wherein a driving motor 1 is arranged at the top of the shell, a main shaft 2 is arranged at the output end of the driving motor 1, the main shaft 2 extends downwards into the shell, and a filter plate 3 is rotatably arranged at the bottom of the main shaft 2.

The arrangement of the driving motor 1 is used as an output source, so that the main shaft 2 is driven to rotate; the raw materials can be filtered by the filter plates 3, so that the raw materials meeting the requirements can be normally discharged.

The outside fixed mounting of main shaft 2 has a plurality of stirring pieces, and a plurality of stirring pieces from top to bottom equidistance are installed on main shaft 2 and are located the inside of shell, form that the stirring piece carries out rotatory stirring under the drive of main shaft 2 to according to the length of centrifugal force's size adjustment stirring piece.

Utilize the stirring piece to stir the raw materials, the raw materials still can produce a reaction force to the stirring piece when stirring simultaneously, find out the hindrance to the rotation of stirring piece, reduce the rotation rate of stirring piece simultaneously to the centrifugal force that makes the stirring piece receive descends, will discharge through filter 3 at the principle that the in-process meet the requirements of stirring simultaneously, thereby also can descend thereupon to the resistance of stirring piece.

In some embodiments of the present invention, the housing comprises a middle shell 4, a cover plate 5 is fixedly connected to the top of the middle shell 4, and a discharge bottom shell 6 is fixedly connected to the bottom of the middle shell 4.

The shell can be opened by utilizing the arrangement of the discharge bottom shell 6 and the cover plate 5, so that the shell is convenient to clean, and the shell is convenient to assemble and practical.

The top of the cover plate 5 is fixedly connected with a feeding pipeline 7, and the bottom of the discharging bottom shell 6 is fixedly connected with a discharging pipeline 8.

The arrangement of the feeding pipeline 7 facilitates the raw materials to be added into the shell, and the raw materials meeting the requirements can be discharged through the arrangement of the discharging pipeline 8.

In some embodiments of the present invention, the stirring element includes a fixed sleeve 9 fixed outside the main shaft 2, a guide housing 10 is fixedly connected outside the fixed sleeve 9, a sliding groove 11 penetrating inside and outside is formed on the outside of the guide housing 10, and a sliding stirring blade is slidably mounted inside the guide housing 10.

The normal installation of stirring piece can be guaranteed to the setting that utilizes the fixed cover body 9, avoids stirring piece not hard up, utilizes the setting of direction shell 10 can guarantee the normal installation of slip stirring leaf.

The sliding stirring blade comprises a sliding block 12 which is slidably mounted inside a guide shell 10, a stirring rod 13 is fixedly connected to the outer side of the sliding block 12, the stirring rod 13 penetrates through a sliding groove 11 and is located on the outer side of the guide shell 10, a bearing rod 14 is fixedly connected to one side of the sliding block 12, a scraping plate 15 is fixedly connected to one end, far away from the sliding block 12, of the bearing rod 14, and the scraping plate 15 is in contact with the inner surface of the middle shell 4 under the action of centrifugal force.

The normal stretching out of puddler 13 can be guaranteed in the setting that utilizes sliding tray 11, can also lead to puddler 13 simultaneously, avoids puddler 13 to appear rotating.

Utilize setting up of scraper blade 15 not only can stir the raw materials, can also scrape down the raw materials that bond on middle part casing 4 simultaneously, realize from clear effect, avoid the raw materials to bond on middle part casing 4 to influence the normal premixing of raw materials, utilize the setting of adapting rod 14 can guarantee the fixed of scraper blade 15, and drive scraper blade 15 and remove, it is not hard up when avoiding scraper blade 15 atress.

And a tension spring 16 is fixedly connected to the other side of sliding block 12, and one end of tension spring 16, which is far away from sliding block 12, is fixedly connected to the inner side wall of guide housing 10.

Slide block 12 can be pulled back to the original position by the provision of tension spring 16, and blade 15 is prevented from extending to the outermost side without being rotated.

In some embodiments of the present invention, a receiving head 17 is fixedly connected to one side of the stirring rod 13, a receiving rope 18 is fixedly connected to one side of the receiving head 17 away from the stirring rod 13, and a counterweight ball 19 is fixedly connected to one end of the receiving rope 18 away from the receiving head 17.

The arrangement of the counterweight ball 19 can drive the scraper 15 and the stirring rod 13 to move when the main shaft 2 rotates, and meanwhile, the counterweight ball is adjusted according to the centrifugal force during rotation under the coordination of the tension spring 16, so that the scraper 15 and the stirring rod 13 can be driven to move towards the circle center when more raw materials are used, and the damage to the scraper 15 and the stirring rod 13 caused by overlarge resistance is avoided; meanwhile, the counterweight balls 19 are arranged to rotate to collide with the raw materials, so that the raw materials are knocked and crushed.

The arrangement of the bearing rope 18 and the bearing head 17 can ensure the fixation of the counterweight ball 19 and avoid the counterweight ball 19 from flying out under the action of centrifugal force.

This practical theory of operation: in practical use, the raw materials are added into the shell through the feeding pipeline 7; then, starting the driving motor 1, wherein the driving motor 1 drives the stirring piece to rotate through the main shaft 2;

the stirring piece rotates to enable the stirring rod 13 and the scraping plate 15 to stir the raw materials, the raw materials meeting the stirring requirements along with the stirring of the stirring rod 13 and the scraping plate 15 are filtered by the filtering plate 3 and then discharged through the discharging pipeline 8;

along with the discharge of the raw materials, the rotation resistance of the stirring piece is reduced, the rotation speed of the stirring piece is increased, the centrifugal force is increased, the counterweight balls 19 drive the stirring rod 13 to move, the stirring rod 13 drives the sliding block 12 to stretch the tension spring 16, the tension spring 16 stretches to store force, and the receiving rod 14 drives the scraper 15 to move towards the inner surface of the shell, so that the scraper 15 is in contact with the inner surface of the shell;

when the stirring member stops rotating, tension spring 16 drives scraper 15 to move to the original position through slide block 12.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. A premixing device for a concrete mixer, comprising a housing, characterized in that: the top of the shell is provided with a driving motor (1), the output end of the driving motor (1) is provided with a main shaft (2), the main shaft (2) extends downwards into the shell, and the bottom of the main shaft (2) is rotatably provided with a filter plate (3);

the outside fixed mounting of main shaft (2) has a plurality of stirring pieces, and is a plurality of stirring piece from top to bottom equidistance is installed on main shaft (2) and is located the inside of shell, forms the stirring piece and carries out rotatory stirring under the drive of main shaft (2) to according to the length of centrifugal force's size adjustment stirring piece.

2. A pre-mixing apparatus for a concrete mixer according to claim 1, wherein:

the shell comprises a middle shell (4), a cover plate (5) is fixedly connected to the top of the middle shell (4), and a material discharging bottom shell (6) is fixedly connected to the bottom of the middle shell (4).

3. A pre-mixing apparatus for a concrete mixer according to claim 2, wherein:

the top of the cover plate (5) is fixedly connected with a feeding pipeline (7), and the bottom of the discharging bottom shell (6) is fixedly connected with a discharging pipeline (8).

4. A pre-mixing apparatus for a concrete mixer according to claim 1, wherein:

the stirring piece is including fixing the set body (9) in main shaft (2) outside, the outside fixedly connected with direction shell (10) of the set body (9), the sliding tray (11) that link up inside and outside is seted up in the outside of direction shell (10), the inside slidable mounting of direction shell (10) has the slip stirring leaf.

5. A pre-mixing apparatus for a concrete mixer according to claim 4, wherein:

the sliding stirring leaf includes sliding mounting at inside sliding block (12) of direction shell (10), outside fixedly connected with puddler (13) of sliding block (12), puddler (13) pass sliding tray (11) and are located the outside of direction shell (10), one side fixedly connected with of sliding block (12) accepts pole (14), the one end fixedly connected with scraper blade (15) of sliding block (12) are kept away from in accepting pole (14), scraper blade (15) under the effect of centrifugal force with the internal surface contact of middle part casing (4).

6. A pre-mixing apparatus for a concrete mixer according to claim 5, wherein:

the other side fixedly connected with extension spring (16) of sliding block (12), the one end that sliding block (12) were kept away from in extension spring (16) and the inside wall fixed connection of direction shell (10).

7. A pre-mixing apparatus for a concrete mixer according to claim 5, wherein:

one side fixedly connected with of puddler (13) accepts head (17), one side fixedly connected with that accepts head (17) kept away from puddler (13) accepts rope (18), one end fixedly connected with counterweight ball (19) that accepts head (17) was kept away from in accepting rope (18).