CN220261472U

CN220261472U - Raw material proportioning and mixing device for improving fluidity of concrete

Info

Publication number: CN220261472U
Application number: CN202321915266.XU
Authority: CN
Inventors: 应向华; 杨帅平; 胡婷
Original assignee: Jinhua Green Building Technology Co ltd
Current assignee: Jinhua Green Building Technology Co ltd
Priority date: 2023-07-20
Filing date: 2023-07-20
Publication date: 2023-12-29
Anticipated expiration: 2033-07-20

Abstract

The utility model discloses a raw material proportioning and mixing device for improving the fluidity of concrete, which relates to the technical field of concrete preparation, and aims to solve the technical problems that the whole fluidity of concrete is reduced and the raw materials are difficult to fully mix along with the increase of aggregate amount.

Description

Raw material proportioning and mixing device for improving fluidity of concrete

Technical Field

The utility model belongs to the technical field of concrete preparation, and particularly relates to a raw material proportioning and mixing device for improving concrete fluidity.

Background

The concrete material is made up of coarse aggregate, fine aggregate, cement, water, mineral powder and fiber stabilizer, etc. through stirring and mixing, the existing concrete stirring device, along with the continuous input of coarse and fine aggregates, the solid material amount increases, the cement slurry proportion in the mixture decreases, the overall fluidity of the concrete gradually decreases, the subsequent stirring operation is difficult to ensure the raw materials in the concrete to continue to be fully mixed, so a stirring device which can effectively increase the fluidity of the concrete after a large amount of aggregates are added can be designed.

The current chinese patent of utility model of publication No. CN219190720U, it discloses a concrete mixing tank, including the stirring frame, the bottom fixedly connected with support column of stirring frame, and be provided with the stirring chamber in the stirring frame, the top of stirring frame is provided with the top cap, the top of top cap is provided with the motor, the output fixedly connected with dwang of motor, the surface and the being located stirring intracavity fixedly connected with stirring board one of dwang, the bottom of top cap is provided with the fixed slot, nested rotation is connected with the rotating turret in the fixed slot, and the cooperation of two stirring boards can realize the deep level stirring work to concrete.

Therefore, aiming at the situation that the whole fluidity is reduced along with the increase of the aggregate amount and the raw materials are difficult to be fully mixed in the preparation process of the concrete, a novel concrete mixing device is developed, the combination of a diversified vibration unit and a mixing unit is utilized to work, the fluidity of the concrete is prevented from being enhanced, and the mixing effect of the concrete after the aggregate is added is improved.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide a raw material proportioning and mixing device for improving the fluidity of concrete, which aims to solve the technical problems that the whole fluidity of the concrete is reduced and the raw materials are difficult to fully mix along with the increase of the aggregate amount.

(2) Technical proposal

In order to solve the technical problems, the utility model provides a raw material proportioning and mixing device for improving the fluidity of concrete, which comprises a mixing bin and a feeding bin arranged at the upper end of the mixing bin, wherein an ultrasonic vibration mechanism is arranged on the outer wall of one side of the mixing bin, four groups of rod vibrators are distributed on the inner side of the mixing bin in a cross-shaped structure, four groups of guide tanks with different widths are arranged at the upper end of the feeding bin, the guide tanks are respectively used for conveying cement, coarse aggregate, fine aggregate and water, and a stirring mechanism with a plurality of groups of blade structures is arranged in the center of the mixing bin.

When the raw material proportioning and mixing device for improving the fluidity of concrete is used, a user puts different concrete raw materials into a mixing bin through different guide tanks, and uses a reversible discharge plate to control discharge and stop discharge, after the raw materials enter the mixing bin, an ultrasonic vibration mechanism and a stirring mechanism are started simultaneously, the ultrasonic vibration mechanism acts on concrete slurry to enable the slurry to generate a large number of tiny bubbles, and then shock waves generated during bubble closing generate oscillation effects on surrounding slurry and aggregate to accelerate the flow of concrete, the stirring mechanism is matched for stirring and mixing concrete at the center, and after a period of time, a rod vibrator is started to vibrate the concrete at the periphery of the stirring mechanism to assist the raw materials to be fully mixed.

Further, the lower end of the feeding bin is fixedly connected with a butt joint sleeve, the butt joint sleeve is inserted into the inner side of the mixing bin, the inner wall of the feeding bin is fixedly connected with four groups of partition boards, the partition boards are arranged between the guide tanks, and in practical application, the width of the guide tanks is customized according to concrete preparation processes with different strength grades and different water cement ratios.

Further, the left end and the right end of the mixing bin are provided with horizontally-through anchor holes, anchor bolts are connected to the inner sides of the anchor holes in a penetrating mode, one ends of the anchor bolts are propped against the outer wall of the butt joint sleeve, the screw bolts are gradually screwed down, the screw bolts are extruded on the outer wall of the butt joint sleeve, the butt joint sleeve is locked through friction force, and connection tightness between the feeding bin and the mixing bin is enhanced.

Further, mix storehouse inner wall fixedly connected with a plurality of saddle, the safety cover is installed to saddle upper end, stick vibrator's drive module set up in the safety cover is inboard, and the safety cover outer wall has silica gel material, and the texture is soft, has cushioning effect to the material that the top falls, avoids the material to directly pound and causes the damage on stick vibrator's drive module.

Further, the lateral wall of baffle box is installed and is turned to the motor, the baffle box inboard is provided with the delivery board that can overturn, delivery board one end with turn to the power take off element fixed connection of motor, delivery board lower extreme fixedly connected with adhesive tape, turn to motor control delivery board upset, make the diapire of baffle box appear the space, the material is carried in the feeding storehouse along the diapire nature of slope.

Further, be provided with above the feeding storehouse with the cross block frame of baffle looks adaptation, block frame lower extreme is provided with the draw-in groove, the baffle peg graft in the draw-in groove is inboard, and the block frame passes through the baffle and the grafting of draw-in groove and forms the locking on the plane with the feeding storehouse, can not take place horizontal migration, also can further fix the block frame on the baffle through the mode of bolt twist joint in the in-service use.

Further, driving motor is installed to the block frame upper end, rabbling mechanism with driving motor's power take off element fixed connection, driving motor is rotatory through the transmission shaft control rabbling mechanism that passes the block frame center, stirs the mixture to the concrete that is in the mixing storehouse middle part.

(3) Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: the raw material proportioning and mixing device for improving the fluidity of the concrete adopts the ultrasonic vibration mechanism and the rod vibrator to work together with the central stirring mechanism, so that the opposite impact of aggregate and cement slurry in the concrete is accelerated, the further exchange and flow of the concrete are promoted, the fluidity of the concrete is improved, and the stirring effect is enhanced; the concrete stirring mechanism is assembled on the raw material batching and delivering mechanism through the clamping piece, and the horizontal limit is formed through a baffle plate component in the batching and delivering mechanism, so that the concrete stirring mechanism is firm in installation, convenient to install and detach and flexible in use.

Drawings

FIG. 1 is a schematic diagram of an assembly structure of an embodiment of a material proportioning and mixing device for improving the fluidity of concrete according to the present utility model;

FIG. 2 is a schematic view of a mixing bin structure of an embodiment of a raw material proportioning and mixing device for improving the fluidity of concrete;

FIG. 3 is a schematic diagram of a feeding bin structure of an embodiment of a raw material proportioning and mixing device for improving the fluidity of concrete;

fig. 4 is a schematic structural view of a stirring mechanism of an embodiment of a raw material proportioning and stirring device for improving the fluidity of concrete.

The marks in the drawings are: 1. a mixing bin; 2. an ultrasonic vibration mechanism; 3. a bar vibrator; 4. a feeding bin; 5. a guide groove; 6. a stirring mechanism; 7. butting a sleeve; 8. a partition plate; 9. an anchor hole; 10. an anchor bolt; 11. a support; 12. a protective cover; 13. a steering motor; 14. a discharge plate; 15. an adhesive tape; 16. a clamping frame; 17. a clamping groove; 18. and driving the motor.

Detailed Description

The utility model provides a raw materials ratio mixing device for improving concrete fluidity, its package structure schematic diagram is shown as fig. 1, and mix storehouse 1 structure schematic diagram is shown as fig. 2, and feeding storehouse 4 structure schematic diagram is shown as fig. 3, and rabbling mechanism 6 structure schematic diagram is shown as fig. 4, this mixing device include mix storehouse 1, install in the feeding storehouse 4 of mix storehouse 1 upper end, ultrasonic vibration mechanism 2 is installed to the outer wall of mix storehouse 1 one side, mix storehouse 1 inboard is the distribution of cross structure and has four groups stick vibrator 3, feeding storehouse 4 upper end is provided with four groups baffle boxes 5 that the width is different, baffle box 5 is used for carrying cement, coarse aggregate, fine aggregate and water respectively, mix storehouse 1 center is provided with the rabbling mechanism 6 that has multiunit leaf plate structure.

Aiming at the concrete implementation mode, the ultrasonic vibration mechanism 2 comprises an ultrasonic generator, an ultrasonic vibrator and an ultrasonic transducer which are arranged on the inner wall of a concrete mixing drum, the ultrasonic generator is used for converting commercial power into a high-frequency alternating current signal matched with the ultrasonic transducer to drive the ultrasonic transducer to work, the ultrasonic transducer is used for converting input electric power into mechanical power and then transmitting the mechanical power out, the mechanical power is used in concrete slurry, a large number of tiny bubbles are generated by the slurry, and the surrounding slurry and aggregate are oscillated by shock waves generated when the bubbles are closed, so that the aim of accelerating exchange flow inside the concrete is achieved, the ultrasonic vibration mechanism 2 is in the prior art and is commonly used in an ultrasonic cleaner, and specific structure and functional principle can refer to technical data: https:// baike. So. Com/doc/1939849-2052301.Html; the rod vibrator 3 forms a pneumatic vibrator commonly used in the prior engineering, generates vibration with high frequency, transmits the vibration to surrounding slag powder, and can be a FRZ-50 pneumatic vibrator or a G23F280 portable vibrator.

The feeding bin 4 is fixedly connected with the butt joint sleeve 7 at the lower end, the butt joint sleeve 7 is inserted into the inner side of the mixing bin 1, four groups of baffle plates 8 are fixedly connected to the inner wall of the feeding bin 4, the baffle plates 8 are arranged between the guide tanks 5, the left end and the right end of the mixing bin 1 are provided with horizontally through anchor holes 9, the inner sides of the anchor holes 9 are connected with anchor bolts 10 in a penetrating way, one ends of the anchor bolts 10 are abutted to the outer wall of the butt joint sleeve 7, in practical application, the width of the guide tanks 5 is custom-designed according to concrete preparation processes with different strength grades and different water cement ratios, the width of the guide tanks 5 is gradually screwed through the anchor bolts 10, the guide tanks are extruded on the outer wall of the butt joint sleeve 7, the butt joint sleeve 7 is locked through friction, and the connection between the feeding bin 4 and the mixing bin 1 is enhanced.

Simultaneously, mix storehouse 1 inner wall fixedly connected with a plurality of saddle 11, the safety cover 12 is installed to saddle 11 upper end, bar vibrator 3's drive module set up in safety cover 12 is inboard, and the safety cover 12 outer wall has silica gel material, and the texture is soft, has the cushioning effect to the material that the top falls, avoids the material to directly pound and causes the damage on bar vibrator 3's drive module.

In addition, the lateral wall of baffle box 5 is installed and is turned over motor 13, baffle box 5 inboard is provided with the delivery board 14 that can overturn, delivery board 14 one end with turn to the power take off element fixed connection of motor 13, delivery board 14 lower extreme fixedly connected with adhesive tape 15, turn to motor 13 control delivery board 14 upset, make the diapire of baffle box 5 appear the space, and the material is naturally carried to feeding storehouse 4 along the diapire of slope.

In addition, be provided with above the feeding storehouse 4 with cross block frame 16 of baffle 8 looks adaptation, block frame 16 lower extreme is provided with draw-in groove 17, baffle 8 peg graft in draw-in groove 17 inboard, drive motor 18 is installed to block frame 16 upper end, rabbling mechanism 6 with the power take off element fixed connection of drive motor 18, block frame 16 forms the locking on the plane with feeding storehouse 4 through the grafting of baffle 8 and draw-in groove 17, can not take place horizontal migration, also can further fix block frame 16 on baffle 8 through the mode of bolt twist in the in-service use, drive motor 18 is rotatory through the transmission shaft control rabbling mechanism 6 that passes the block frame 16 center, stirs the concrete that is in mixing storehouse 1 middle part.

When the raw material proportioning and mixing device for improving the fluidity of concrete is used, a user puts different concrete raw materials into the mixing bin 1 through different guide tanks 5, the discharge and stop discharging are controlled by the reversible discharge plate 14, after the raw materials enter the mixing bin 1, the ultrasonic vibration mechanism 2 and the stirring mechanism 6 are started simultaneously, the ultrasonic vibration mechanism 2 acts in concrete slurry, a large number of tiny bubbles are generated by the slurry, the surrounding slurry and aggregate are oscillated by shock waves generated when the bubbles are closed, the flow of the concrete is accelerated, the stirring mechanism 6 is matched for stirring and mixing the concrete at the center, the rod vibrator 3 is started after a period of time to vibrate the concrete at the periphery of the stirring mechanism 6, and the raw materials are fully mixed.

Claims

1. The raw material proportioning and mixing device for improving the flowability of concrete comprises a mixing bin (1) and a feeding bin (4) arranged at the upper end of the mixing bin (1); the stirring device is characterized in that an ultrasonic vibration mechanism (2) is arranged on the outer wall of one side of the stirring bin (1), four groups of rod vibrators (3) are distributed on the inner side of the stirring bin (1) in a cross-shaped structure, four groups of guide tanks (5) with different widths are arranged at the upper end of the feeding bin (4), the guide tanks (5) are respectively used for conveying cement, coarse aggregate, fine aggregate and water, and a stirring mechanism (6) with a plurality of groups of blade structures is arranged at the center of the stirring bin (1).

2. The raw material proportioning and mixing device for improving the flowability of concrete according to claim 1, wherein a butt joint sleeve (7) is fixedly connected to the lower end of the feeding bin (4), the butt joint sleeve (7) is inserted into the inner side of the mixing bin (1), four groups of partition plates (8) are fixedly connected to the inner wall of the feeding bin (4), and the partition plates (8) are arranged between the guide grooves (5).

3. The raw material proportioning and mixing device for improving the fluidity of concrete according to claim 2, wherein the left end and the right end of the mixing bin (1) are provided with horizontally-through anchoring holes (9), the inner sides of the anchoring holes (9) are connected with anchoring bolts (10) in a penetrating way, and one end of each anchoring bolt (10) is abutted against the outer wall of the butt joint sleeve (7).

4. The raw material proportioning and mixing device for improving the fluidity of concrete according to claim 1, wherein a plurality of pallets (11) are fixedly connected to the inner wall of the mixing bin (1), a protective cover (12) is installed at the upper end of each pallet (11), and a driving module of the rod vibrator (3) is arranged on the inner side of the protective cover (12).

5. The raw material proportioning and mixing device for improving the flowability of concrete according to claim 1, wherein a steering motor (13) is installed on the side wall of the guide chute (5), a reversible delivery plate (14) is arranged on the inner side of the guide chute (5), one end of the delivery plate (14) is fixedly connected with a power output element of the steering motor (13), and an adhesive tape (15) is fixedly connected with the lower end of the delivery plate (14).

6. The raw material proportioning and mixing device for improving the fluidity of concrete according to claim 2, wherein a cross-shaped clamping frame (16) matched with the partition board (8) is arranged above the feeding bin (4), a clamping groove (17) is formed in the lower end of the clamping frame (16), and the partition board (8) is inserted into the inner side of the clamping groove (17).

7. The raw material proportioning and mixing device for improving the flowability of concrete according to claim 6, wherein a driving motor (18) is installed at the upper end of the clamping frame (16), and the stirring mechanism (6) is fixedly connected with a power output element of the driving motor (18).