CN221834648U - A high-efficiency concrete mixing device - Google Patents

Abstract

The utility model belongs to the field of concrete processing, and particularly relates to a concrete efficient stirring device which comprises a stirring barrel, wherein a discharge pipe is arranged at the bottom of the stirring barrel, a mixing box is arranged at the top of the stirring barrel, a main stirring rod is arranged in the stirring barrel, and the top end of the main stirring rod extends upwards to penetrate through the mixing box and extends to the top of the mixing box; the inside of mixing box is provided with the collecting hopper, the both sides of collecting hopper all slope is provided with screw conveyer, screw conveyer's top is provided with the discharging pipe, the extension of discharging pipe is towards the open-top of collecting hopper, through setting up the mixing box at the top of agitator, and after multiple material was put into the mixing box, promoted the material with screw conveyer, the material was followed screw conveyer tip discharge and whereabouts in-process, utilized the stirring subassembly in the mixing box to stir and disturb the material, and the material is disturbed and stirred under the state of flowing, is favorable to the mixing of multiple material.

Description

A high-efficiency concrete mixing device

Technical Field

The utility model belongs to the technical field of concrete processing, in particular to a high-efficiency concrete mixing device.

Background Art

Concrete refers to cement as the binder, sand and stone as aggregates, and water in a certain proportion. The cement concrete is obtained by mixing. In the concrete production plant, all the materials are gathered together, mixed according to the proportion, and then water is added. After continuous mixing, concrete is formed.

In China, patent number CN201910434443.4, and patent name concrete mixing device, a method of mixing and rolling at the same time is disclosed, so that the material can be fully squeezed and contacted with the mixing blades inside, and the mixing and turning efficiency is greatly improved, which solves the problem that in the concrete processing process, only a simple mixing blade mixing method is used, the material processing efficiency is relatively low, and the time consumption is relatively long. However, the concrete mixing device directly pours all the raw materials into the mixing bin for mixing. Since too much material is piled up, it is difficult for the mixing mechanism in the mixing bin to quickly disperse and mix all the raw materials, so that the material mixing requires a longer mixing time, resulting in low concrete production efficiency.

Utility Model Content

In order to solve the problem of low mixing efficiency in the prior art, the utility model provides a high-efficiency concrete mixing device. Through a mixing box and a mixing mechanism in the mixing box, a variety of materials are concentrated in the mixing box. After being transported and stirred by the mixing mechanism, the various materials can be quickly mixed to achieve the purpose of efficient and uniform mixing.

To achieve the above purpose, the specific technical solution is as follows:

A high-efficiency concrete mixing device comprises a mixing barrel, a discharge pipe is arranged at the bottom of the mixing barrel, a mixing box is arranged at the top of the mixing barrel, a main stirring rod is arranged in the mixing barrel, the top end of the main stirring rod extends upward through the mixing box and extends to the top of the mixing box; a collecting hopper is arranged inside the mixing box, screw conveyors are obliquely arranged on both sides of the collecting hopper, a discharge pipe is arranged at the top of the screw conveyor, and the discharge pipe extends toward the top opening of the collecting hopper; two funnels are symmetrically arranged on the top of the mixing box, a feed hopper is arranged at the bottom end of the screw conveyor, and the feed hopper is located below the funnel; a plurality of auxiliary stirring rods are arranged inside the collecting hopper.

Furthermore, the outer wall of the main stirring rod is provided with a plurality of stirring blades, and the stirring blades are located in the mixing box.

Furthermore, a material guide box is arranged between the discharge pipe and the mixing barrel, a discharge hole is opened on the top of the material guide box, two cylinders are symmetrically arranged on the top side wall of the material guide box, and baffle plates are arranged on the ends of the two cylinders.

Furthermore, the outer wall of the collecting hopper is provided with a second motor matched with the auxiliary stirring rod, the end of the auxiliary stirring rod is connected to the end of the output shaft of the second motor, and the outer wall of the second motor is fixed to the outer wall of the collecting hopper by bolts.

Furthermore, the auxiliary stirring rod is arranged horizontally inside the collecting hopper, and the outer wall of the auxiliary stirring rod is provided with a plurality of metal blades.

Furthermore, a partition is provided inside the mixing box, the screw conveyor is fixedly connected to the partition, the bottom end of the funnel is connected to a collecting pipe, and the collecting pipe is connected to the feed hopper.

Compared with the prior art, the beneficial effects of the present invention are at least:

1) A mixing box is set on the top of the mixing barrel. After various materials are put into the mixing box, the materials are lifted by a screw conveyor. When the materials are discharged from the end of the screw conveyor and fall, the mixing components in the mixing box are used to stir and disrupt the materials. The materials are disrupted and stirred in a flowing state, which is conducive to the mixing of various materials. The mixed materials flow into the mixing barrel for re-stirring, and the materials are mixed more fully, which is conducive to saving the time of material stirring and mixing, and making concrete processing more efficient.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a perspective view of the utility model;

FIG2 is a schematic diagram of the internal structure of the utility model;

Figure 3 is a schematic diagram of the internal structure of the collecting hopper of the utility model;

FIG. 4 is a perspective view of the main stirring rod.

As shown in the figure: main stirring rod 1, collecting pipe 2, feeding hopper 3, mixing box 4, supporting block 5, collecting hopper 6, auxiliary stirring rod 7, cylinder 8, material baffle plate 9, material guide box 10, discharge pipe 11, mixing barrel 12, stirring blade 13, funnel 14, screw conveyor 15, bearing seat 16, first motor 17, water inlet 18, water inlet pipe 19, partition 20, second motor 21.

DETAILED DESCRIPTION

The present invention will be described in detail below in conjunction with the specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and any structural, methodological, or functional changes made by a person skilled in the art based on these embodiments are all within the scope of protection of the present invention.

As shown in Figure 1-

As shown in FIG4 , the utility model aims to provide a high-efficiency concrete mixing device, comprising a mixing barrel 12, a discharge pipe 11 is arranged at the bottom of the mixing barrel 12, a mixing box 4 is arranged at the top of the mixing barrel 12, a main stirring rod 1 is arranged in the mixing barrel 12, and the top end of the main stirring rod 1 extends upward through the mixing box 4 and extends to the top of the mixing box 4; specifically, a bearing seat 16 is fixed on the top of the mixing box 4, a shaft sleeve is arranged in the bearing seat 16, a first motor 17 is arranged on the top of the bearing seat 16, an output shaft of the first motor 17 passes through the shaft sleeve and is connected to the top end of the main stirring rod 1, and the output shaft of the first motor 17 drives the main stirring rod 1 to rotate; blades are arranged on the outer wall of the main stirring rod 1, and when the main stirring rod 1 rotates, the blades assist in stirring the materials; the materials described in the utility model include cement, sand, and stone;

A water inlet 18 is also provided on the outer wall of the mixing box 4, and a water inlet pipe 19 is connected to the water inlet 18. The water inlet pipe 19 can be connected to an external water pump to facilitate adding water during the mixing of the materials.

A collecting hopper 6 is provided inside the mixing box 4, and screw conveyors 15 are obliquely provided on both sides of the collecting hopper 6. A discharge pipe is provided at the top of the screw conveyor 15, and the discharge pipe extends toward the top opening of the collecting hopper 6. The screw conveyor 15 conveys the material in the feed hopper 3 upward, and the material is finally discharged from the discharge pipe at the top of the screw conveyor 15 and falls into the collecting hopper 6; the working principle and structure of the screw conveyor 15 are prior art and will not be described in detail here;

Two funnels 14 are symmetrically arranged on the top of the mixing box 4, and a feed hopper 3 is arranged at the bottom end of the screw conveyor 15, and the feed hopper 3 is located below the funnel 14; a partition 20 is arranged inside the mixing box 4, and the screw conveyor 15 is fixedly connected to the partition 20, and a collecting pipe 2 is connected to the bottom end of the funnel 14, and the collecting pipe 2 is connected to the feed hopper 3;

Specifically, a support block 5 is provided inside the mixing box 4 below the feed hopper 3. The support block 5 is used to support the feed hopper 3. The feed hopper 3 is a hollow structure. The feed hopper 3 is placed on the top of the support block 5. An arc-shaped groove is also provided on the top of the support block 5 to prevent the feed hopper 3 from being displaced. A plurality of auxiliary stirring rods 7 are provided inside the collecting hopper 6.

Specifically, a shaft sleeve is fixed in the side wall of the aggregate hopper 6 by bolts, and the shaft sleeve is used to support the shaft at the end of the auxiliary stirring rod 7 to ensure that the auxiliary stirring rod 7 always remains in a horizontal state during rotation. The auxiliary stirring rod 7 will not hit the outer wall of the aggregate hopper 6, and the stirring stability is stronger.

As shown in FIGS. 1 , 2 and 4 , the outer wall of the main stirring rod 1 is provided with a plurality of stirring blades 13, and the stirring blades 13 are located in the mixing box 4; specifically, the stirring blades 13 are made of metal, and the ends of the stirring blades 13 are fixed to the outer wall of the main stirring rod 1 by welding; a material guide box 10 is provided between the discharge pipe 11 and the mixing barrel 12, and a discharge hole is provided on the top of the material guide box 10, and a discharge hole is also provided at the bottom of the mixing barrel 12, and the discharge hole is communicated with the inside of the material guide box 10, and two cylinders 8 are symmetrically provided on the top side wall of the material guide box 10, and baffle plates 9 are provided at the ends of the two cylinders 8;

Specifically, the material guide box 10 is fixed at the bottom of the mixing barrel 12. After the ends of the two baffle plates 9 are merged, the materials in the mixing barrel 12 are blocked. The ends of the two cylinders 8 are fixed on the support frame at the bottom of the mixing barrel 12. The cylinders 8 are connected to an external air pump. During the shortening of the telescopic joint of the cylinder 8, the two baffle plates 9 are separated, and the concrete in the mixing barrel 12 enters the material guide box 10 from the discharge hole and is then discharged through the discharge pipe 11.

As shown in Figure 1-

As shown in Figure 4, the outer wall of the collecting hopper 6 is provided with a second motor 21 that cooperates with the auxiliary stirring rod 7. The end of the auxiliary stirring rod 7 is connected to the end of the output shaft of the second motor 21, and the outer wall of the second motor 21 is fixed to the outer wall of the collecting hopper 6 by bolts; the auxiliary stirring rod 7 is horizontally arranged inside the collecting hopper 6, and the outer wall of the auxiliary stirring rod 7 is provided with a plurality of metal blades. Specifically, after starting the second motor 21, the output shaft of the second motor 21 drives the auxiliary stirring rod 7 to rotate at a high speed. At the same time, the metal blades rotate with it. After the metal blades touch the material, the material is disrupted to achieve the purpose of stirring. Multiple auxiliary stirring rods 7 are distributed in a circular array in the collecting hopper 6, so that stirring can be carried out in multiple directions and the stirring is more sufficient.

Through the above technical scheme: before making concrete, cement and sand are poured into the same funnel 14, and gravel is poured into another funnel 14. The cement and sand are located in the collecting pipe 2 on one side of the mixing box 4, and the gravel is located in the collecting pipe 2 on the other side of the mixing box 4. After the materials enter the feed hopper 3, the screw conveyor 15 drives the materials and moves obliquely upward. After the materials are discharged from the discharge pipe at the end of the screw conveyor 15, the materials are in a state of being thrown out. The materials discharged from the discharge pipes at the ends of the two screw conveyors 15 collide with each other, and a mixing is achieved in this process. The materials The material is mixed with the stirring blade 13, and the stirring blade 13 is driven by the stirring blade 13 to rotate, and the stirring blade 13 collides with the material when it moves at a high speed, and the material is mixed together. Finally, the material passes through the opening at the bottom of the collecting hopper 6 and then falls into the mixing barrel 12. During the process of the material entering the mixing barrel 12 and falling, the blades on the outer wall of the main stirring rod 1 collide with the material again, thereby achieving mixing. After multi-stage mixing, the material is more uniform, and the mixing efficiency is greatly improved.

It should be understood that although the present specification is described according to embodiments, not every embodiment contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

The series of detailed descriptions listed above are only specific descriptions of feasible implementation methods of the utility model. They are not intended to limit the protection scope of the utility model. Any equivalent implementation methods or changes that do not deviate from the technical spirit of the utility model should be included in the protection scope of the utility model.

Claims (6)

1. The utility model provides a high-efficient agitating unit of concrete, includes agitator (12), the bottom of agitator (12) is provided with row material pipe (11), its characterized in that: the top of the stirring barrel (12) is provided with a mixing box (4), a main stirring rod (1) is arranged in the stirring barrel (12), and the top end of the main stirring rod (1) extends upwards to penetrate through the mixing box (4) and extends to the top of the mixing box (4);

The mixing hopper (4) is internally provided with a collecting hopper (6), both sides of the collecting hopper (6) are obliquely provided with a screw conveyor (15), the top end of the screw conveyor (15) is provided with a discharging pipe, and the extending direction of the discharging pipe faces to the top opening of the collecting hopper (6); two hoppers (14) are symmetrically arranged at the top of the mixing box (4), and a feed hopper (3) is arranged at the bottom end of the spiral conveyor (15);

a plurality of auxiliary stirring rods (7) are arranged in the collecting hopper (6).

2. The efficient concrete stirring device according to claim 1, wherein: the outer wall of the main stirring rod (1) is provided with a plurality of stirring blades (13), and the stirring blades (13) are positioned in the mixing box (4).

3. The efficient concrete stirring device according to claim 1, wherein: a material guide box (10) is arranged between the material discharge pipe (11) and the stirring barrel (12), a material discharge hole is formed in the top of the material guide box (10), two air cylinders (8) are symmetrically arranged on the side wall of the top end of the material guide box (10), and material baffle plates (9) are arranged at the end parts of the two air cylinders (8).

4. The efficient concrete stirring device according to claim 1, wherein: the outer wall of the collecting hopper (6) is provided with a second motor (21) matched with the auxiliary stirring rod (7), the end part of the auxiliary stirring rod (7) is connected with the end part of an output shaft of the second motor (21), and the outer wall of the second motor (21) is fixed with the outer wall of the collecting hopper (6) through bolts.

5. The efficient concrete stirring device according to claim 1, wherein: the auxiliary stirring rod (7) is transversely arranged in the collecting hopper (6), and a plurality of metal blades are arranged on the outer wall of the auxiliary stirring rod (7).

6. The efficient concrete stirring device according to claim 1, wherein: the inside of mixing box (4) is provided with baffle (20), screw conveyer (15) and baffle (20) fixed connection, the bottom of funnel (14) is connected with collecting pipe (2), collecting pipe (2) are linked together with feeder hopper (3).