CN218748554U - Concrete mixing device - Google Patents

Abstract

The application relates to the field of concrete mixing, in particular to a concrete mixing device which comprises a mixing tank, wherein a mixing rod is rotatably arranged on the mixing tank, a first mixing blade is rotatably arranged on the mixing rod, a second mixing blade is arranged on the first mixing blade, the second mixing blade and the first mixing blade are arranged in a staggered manner, and the concrete mixing device further comprises a first driving piece for driving the mixing rod to rotate and a second driving piece for driving the first mixing blade to rotate; when the concrete is stirred, the stirring rod is driven to rotate by the first driving piece, and the stirring rod drives the first stirring blade to rotate around the stirring rod; then the second driving piece drives the first stirring blade to rotate, the first stirring blade She Zizhuai drives the second stirring blade She Raodi to rotate, and the first stirring blade and the second stirring blade stir the concrete from two directions, so that the stirring effect of the concrete stirring device is improved.

Description

A concrete mixing device

technical field

The present application relates to the field of concrete mixing, in particular to a concrete mixing device.

Background technique

During building construction, concrete is one of the basic materials for construction. When concrete is used, sand and water need to be mixed together for mixing, and then transported to a designated place for use. Concrete mixers are commonly used concrete mixing equipment.

The current concrete mixer includes a mixing bucket, the mixing bucket is provided with a mixing host, and the mixing host is provided with stirring blades.

With regard to the related technologies mentioned above, the inventor believes that there are the following defects: when the existing concrete mixer is mixing, the rotation direction of the mixing blade is single, which makes the mixing effect of the concrete poor.

Utility model content

In order to improve the mixing efficiency of concrete, the present application provides a concrete mixing device.

A concrete mixing device provided by the application adopts the following technical scheme:

A concrete mixing device, comprising a mixing barrel, on which a stirring rod is rotatably arranged, on which a first stirring blade is rotatably arranged, and the rotation direction of the first stirring blade is perpendicular to the direction of the stirring rod In the direction of rotation, the first stirring blade is provided with a second stirring blade, the length direction of the second stirring blade is staggered with the length direction of the first stirring blade, and the concrete mixing device also includes a The first driving member for rotating the stirring rod and the second driving member for driving the first stirring blade to rotate by itself.

By adopting the above technical scheme, the stirring rod is driven to rotate through the first driving member, and the rotation of the stirring rod drives the first stirring blade and the second stirring blade to rotate around the stirring rod, and the first stirring blade and the second stirring blade stir the concrete; The second driving member drives the first stirring blade to rotate, and the first stirring blade drives the second stirring blade to rotate around the first stirring blade, and the second stirring blade stirs the concrete. Since the length direction of the first stirring blade and the second stirring blade is The staggered arrangement enables the first stirring blade and the second stirring blade to stir the concrete from two directions, thereby improving the mixing efficiency of the stirring device for concrete.

Preferably, the first driving member includes a first motor, the output shaft of the first motor is provided with a first bevel gear, and the stirring rod is provided with a second bevel gear meshing with the first bevel gear.

By adopting the above technical solution, start the first motor, the first motor drives the first bevel gear to rotate, and the first motor drives the stirring rod to rotate through the meshing of the first bevel gear and the second bevel gear. Furthermore, the stirring rod drives the first stirring blade to rotate, and the operation is simple and convenient.

Preferably, the second driving member includes a second motor, the output shaft of the second motor is provided with a connecting rod, the stirring rod is hollow, the connecting rod is located in the stirring rod and connected to the stirring rod The rods are coaxially arranged, the connecting rod is provided with a third bevel gear, the first stirring blade is provided with a fourth bevel gear meshed with the third bevel gear, the stirring rod and the connecting rod The speed is different.

By adopting the above-mentioned technical scheme, start the second motor, the second motor drives the connecting rod to rotate in the stirring rod, and the connecting rod drives the third bevel gear to rotate, because the rotating speed of the stirring rod and the connecting rod is different, so that the stirring rod and the connecting rod have a rotating speed The difference makes the third bevel gear and the fourth bevel gear rotate relatively, so that the connecting rod drives the first stirring blade to rotate, and then the first stirring blade drives the second stirring blade to rotate, and the first stirring blade and the second stirring blade rotate from the two The concrete is stirred in two directions; at the same time, by adjusting the rotating speed of the stirring rod and the connecting rod, the rotating speed of the second stirring blade is adjusted, which is convenient to control the rotating speed of the second stirring blade according to the actual production demand, so as to reduce the waste of energy.

Preferably, the rotation direction of the connecting rod is opposite to that of the stirring rod.

By adopting the above technical scheme, when the rotating speeds of the connecting rod and the stirring rod are kept stable, the rotating direction of the connecting rod is opposite to that of the stirring rod, so that the rotating speed of the connecting rod relative to the stirring rod is increased, thereby increasing the speed of the first stirring blade. The rotation speed improves the stirring efficiency of the second stirring blade under the same energy consumption.

Preferably, a bearing is further arranged on the connecting rod, the outer ring of the bearing is arranged on the stirring rod, and the inner ring of the bearing is arranged on the connecting rod.

By adopting the above technical scheme, the connecting rod and the stirring rod are connected through the bearing, which facilitates the rotation of the connecting rod relative to the stirring rod and improves the stability of the connecting rod relative to the stirring rod; at the same time, the fixing effect of the bearing on the connecting rod improves the connection between the connecting rod and the stirring rod. Concentricity of the stirring rod.

Preferably, along the rotation direction of the second stirring blade, the second stirring blade is provided with a concave surface.

By adopting the above technical solution, when the first stirring blade drives the second stirring blade to rotate, the concave surface of the second stirring blade faces the direction of rotation, which is convenient for the second stirring blade to better collect the concrete and then drive the concrete to move, improving the stirring of the second stirring blade Effect.

Preferably, a sealing ring is provided on the first stirring blade, and the sealing ring is located at the rotational connection between the first stirring blade and the stirring rod.

By adopting the above technical solution, the sealing ring reduces the gap between the rotating connection between the first mixing blade and the stirring rod, reduces the possibility of concrete entering into the stirring rod, and further reduces the concrete stuck in the third bevel gear and the fourth cone. The possibility of affecting the rotation of the first stirring blade between the gears.

Preferably, the second stirring blade is provided with a plurality of protrusions for absorbing concrete.

By adopting the above technical scheme, the protrusion increases the contact area between the second mixing blade and the concrete. At the same time, during the rotation of the second mixing blade, part of the concrete is stuck between the protrusions, which improves the impact of the second mixing blade on the concrete. The adsorption effect further improves the mixing effect of the second mixing blade on the concrete.

In summary, the present application includes at least one of the following beneficial technical effects:

1. When mixing concrete, the stirring rod is driven to rotate through the first driving part, and the stirring rod drives the first stirring blade to rotate around the stirring rod, and the first stirring blade stirs the concrete; then the first stirring blade is driven by the second driving part Self-rotation, the rotation of the first mixing blade drives the second mixing blade to rotate around the first mixing blade, the first mixing blade and the second mixing blade mix the concrete from two directions, which improves the mixing effect of the concrete mixing device.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of a concrete mixing device.

Fig. 2 is a sectional view of a concrete mixing device.

Fig. 3 is an enlarged view of part A in Fig. 2 .

Explanation of reference numerals: 1. mixing barrel; 2. base; 3. feed pipe; 4. discharge pipe; 5. valve; 6. stirring rod; 7. first stirring blade; 8. first motor; 9. The first bevel gear; 10, the second bevel gear; 11, the second stirring blade; 12, the second motor; 13, the connecting rod; 14, the third bevel gear; 15, the fourth bevel gear; 16, the protrusion; 17 , sealing ring; 18, bearing;

Detailed ways

The present application will be described in further detail below in conjunction with accompanying drawings 1-3.

The embodiment of the present application discloses a concrete mixing device. Referring to Fig. 1, the concrete mixing device comprises a mixing tank 1, the bottom of the mixing tank 1 is fixedly provided with a base 2 for fixing the mixing tank 1, and the top of the mixing tank 1 is fixedly provided with a feeding pipeline 3 communicated with the mixing tank 1, and the mixing tank The side wall of 1 is fixedly provided with a discharge pipeline 4 communicating with the mixing tank 1, and a valve 5 for controlling the opening and closing of the discharge pipeline 4 is fixedly provided on the discharge pipeline 4, and a stirring rod 6 is installed on the mixing tank 1 for rotation, A plurality of first stirring blades 7 are rotated on the stirring rod 6 , and the length direction of the first stirring blades 7 is perpendicular to the length direction of the stirring rod 6 . The concrete mixing device also includes a first driving member for driving the stirring rod 6 to rotate.

The concrete is transported into the mixing tank 1 through the feed pipe 3, and the stirring rod 6 is driven to rotate by the first driving member, and the rotation of the stirring rod 6 drives the first stirring blade 7 to rotate around the stirring rod 6, and the first stirring blade 7 stirs the concrete After the mixing is completed, the valve 5 is opened, and the concrete is discharged from the discharge pipe 4.

With reference to Fig. 2, the first driver comprises the first motor 8 that is fixedly arranged on the top of the mixing bucket 1, the stirring rod 6 stretches out from the top of the mixing bucket 1, and the first bevel gear 9 is coaxially arranged on the output shaft of the first motor 8 , the end of the stirring rod 6 extending out of the mixing bucket 1 is fixedly provided with a second bevel gear 10 meshed with the first bevel gear 9; the first motor 8 is started, and the first motor 8 drives the first bevel gear 9 to rotate, and the first bevel gear 9 is rotated by the first bevel gear. The meshing of the bevel gear 9 and the second bevel gear 10 makes the first motor 8 drive the stirring rod 6 to rotate, and the operation is simple and convenient.

Referring to Fig. 2, in order to further improve the stirring effect of the concrete mixing device, the first stirring blade 7 is fixedly provided with a plurality of second stirring blades 11, and in the embodiment of the present application, each first stirring blade 7 is fixedly provided with three second stirring blades 11 Two stirring blades 11, the length direction of the second stirring blade 11 is arranged alternately with the length direction of the first stirring blade 7, in the embodiment of the present application, the length direction of the second stirring blade 11 is perpendicular to the length direction of the first stirring blade 7 , The concrete mixing device also includes a second driving member for driving the first mixing blade 7 to rotate.

While the stirring rod 6 drives the first stirring blade 7 to rotate around the stirring rod 6, the first stirring blade 7 drives the second stirring blade 11 to rotate around the stirring rod 6, and the second stirring blade 11 increases the effect of the first stirring rod 6 The range improves the stirring effect of the first stirring rod 6; at the same time, the first stirring blade 7 is driven to rotate by the second driving member, and the rotation of the first stirring blade 7 drives the second stirring blade 11 to rotate around the first stirring blade 7. The second mixing blade 11 drives the concrete to lift upwards, so that the upper layer concrete and the lower layer concrete in the mixing drum are fully mixed, and the mixing effect of the concrete mixing device on the concrete is further improved.

With reference to Fig. 2 and Fig. 3, the second driving part comprises the second motor 12 that is fixedly arranged on the top of the mixing bucket 1, the output shaft of the second motor 12 is coaxially provided with a connecting rod 13, the stirring rod 6 is hollow, and the connecting rod 13 It extends into the stirring rod 6 and is arranged coaxially with the stirring rod 6. The third bevel gear 14 is fixedly arranged on the connecting rod 13. The first stirring blade 7 extends into the stirring rod 6, and the first stirring rod 6 extends into the stirring rod 6. A fourth bevel gear 15 meshing with the third bevel gear 14 is fixedly arranged at the end of the top end, the rotation speed of the stirring rod 6 is different from that of the connecting rod 13, furthermore, the rotation direction of the stirring rod 6 and the connecting rod 13 is opposite.

Start the second motor 12, the second motor 12 drives the connecting rod 13 to rotate in the stirring rod 6, because the rotating speed of the connecting rod 13 and the stirring rod 6 is different, the connecting rod 13 rotates relative to the stirring rod 6, so that the third bevel gear 14 is relatively The fourth bevel gear 15 rotates, so that the first stirring blade 7 rotates, and the operation is simple and convenient; at the same time, when the rotating speeds of the connecting rod 13 and the stirring rod 6 are kept stable, since the rotating direction of the stirring rod 6 and the connecting rod 13 is opposite, Make the connecting rod 13 increase relative to the rotating speed of the stirring rod 6, and then improve the rotation speed of the first stirring blade 7, improve the stirring efficiency of the second stirring blade 11 under the same energy consumption, and improve the utilization rate of energy; The rotating speed of the connecting rod 13 and the stirring rod 6 is adjusted so as to adjust the rotating speed of the second stirring blade 11 to adjust the stirring effect, so as to adjust the stirring efficiency according to the actual production demand.

Referring to FIG. 3 , in order to further improve the mixing effect of the second stirring blade 11 on concrete, the second stirring blade 11 is provided with a concave surface. The concave surface of the second stirring blade 11 faces the rotation direction of the second stirring blade 11, and the second stirring blade 11 is fixedly provided with a plurality of protrusions 16 for absorbing concrete, and the protrusions 16 are fixedly arranged on the concave surface of the second stirring blade 11 Above; when the second stirring blade 11 rotates around the first stirring blade 7, the concave surface of the second stirring blade 11 makes the concrete gather, and then the concrete is better adsorbed on the second stirring blade 11 through the protrusion 16, which is convenient for the second stirring The blade 11 drives the concrete to lift upwards, thereby improving the mixing effect of the second mixing blade 11 .

Referring to Fig. 2 and Fig. 3, in order to reduce the possibility that concrete enters the stirring rod 6 and affects the rotation of the first stirring blade 7, a sealing ring 17 is set on the first stirring blade 7, and the sealing ring 17 is located between the first stirring blade 7 and the stirring The rotating connection of the rod 6; the sealing ring 17 reduces the gap between the first stirring blade 7 and the stirring rod 6, reducing the possibility of concrete entering the inside of the stirring rod 6 from the connection between the first stirring blade 7 and the stirring rod 6 It improves the stability of the concrete mixing device.

Referring to Fig. 2 and Fig. 3, in order to improve the stability of the connecting rod 13 rotation, a plurality of bearings 18 are fixedly arranged on the connecting rod 13, the inner ring of the bearing 18 is fixedly arranged on the connecting rod 13, and the outer ring of the bearing 18 is fixedly arranged on the In the stirring rod 6; the bearing 18 has a fixing effect on the connecting rod 13, which improves the rotation stability of the connecting rod 13; at the same time, the coaxiality between the connecting rod 13 and the stirring rod 6 is improved, and the influence of the shaking of the connecting rod 13 on the third Possibility of the bevel gear 14 and the third bevel gear 14 meshing.

The implementation principle of a concrete mixing device in the embodiment of the present application is: after adding concrete into the mixing tank 1, start the first motor 8 and the second motor 12, the first motor 8 drives the stirring rod 6 to rotate, and the stirring rod 6 rotates to drive The first stirring blade 7 and the second stirring blade 11 rotate around the stirring rod 6; at the same time, the second driving member drives the connecting rod 13 to rotate, and the connecting rod 13 drives the first stirring blade 7 to rotate, so that the second stirring blade 11 rotates around the stirring rod. 6 rotates around the first mixing blade 7 while rotating, so that the concrete in the mixing bucket 1 can be mixed in two directions, and the mixing effect of the concrete mixing device can be improved.

All of the above are preferred embodiments of the application, and are not intended to limit the protection scope of the application. Therefore, all equivalent changes made according to the structure, shape, and principle of the application should be covered by the protection scope of the application. Inside.

Claims (8)

1. The utility model provides a concrete mixing device, includes agitator (1), its characterized in that: it is provided with puddler (6) to rotate on agitator (1), it is provided with first stirring leaf (7) to rotate on puddler (6), the direction of rotation perpendicular to of first stirring leaf (7) the direction of rotation of puddler (6), be provided with second stirring leaf (11) on first stirring leaf (7), the length direction of second stirring leaf (11) with the length direction of first stirring leaf (7) is crisscross setting, and concrete mixing device is still including being used for the drive puddler (6) pivoted first driving piece with be used for ordering about the second driving piece of first stirring leaf (7) rotation.

2. A concrete mixing device according to claim 1, wherein: the first driving piece comprises a first motor (8), a first bevel gear (9) is arranged on an output shaft of the first motor (8), and a second bevel gear (10) meshed with the first bevel gear (9) is arranged on the stirring rod (6).

3. A concrete mixing device according to claim 1, wherein: the second driving piece comprises a second motor (12), a connecting rod (13) is arranged on an output shaft of the second motor (12), the stirring rod (6) is arranged in a hollow mode, the connecting rod (13) is located in the stirring rod (6) and coaxially arranged with the stirring rod (6), a third bevel gear (14) is arranged on the connecting rod (13), a fourth bevel gear (15) meshed with the third bevel gear (14) is arranged on the first stirring blade (7), and the rotating speed of the stirring rod (6) is different from that of the connecting rod (13).

4. A concrete mixing apparatus according to claim 3, wherein: the connecting rod (13) and the stirring rod (6) rotate in opposite directions.

5. A concrete mixing device according to claim 3, wherein: the stirring rod is characterized in that a bearing (18) is further arranged on the connecting rod (13), the outer ring of the bearing (18) is arranged on the stirring rod (6), and the inner ring of the bearing (18) is arranged on the connecting rod (13).

6. A concrete mixing apparatus according to claim 1, wherein: along the rotation direction of the second stirring blade (11), the second stirring blade (11) is arranged in a concave surface manner.

7. A concrete mixing apparatus according to claim 1, wherein: be provided with sealing washer (17) on first stirring leaf (7), sealing washer (17) are located first stirring leaf (7) with the rotation junction of puddler (6).

8. A concrete mixing apparatus according to claim 1, wherein: the second stirring blade (11) is provided with a plurality of protrusions (16) for adsorbing concrete.

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