CN213440396U - Concrete mixing device - Google Patents

Abstract

The utility model provides a concrete stirring device, which comprises a cylindrical mixing tank with a discharging window, a rotating shaft arranged at the top of the mixing tank through a bearing, a stirring paddle arranged at one end of the rotating shaft and a first motor used for driving the rotating shaft to rotate, wherein the stirring paddle is positioned in the inner cavity of the mixing tank; the device also comprises a rectangular frame body, a mounting shaft arranged in the middle of the outer wall corresponding to the wide edge of the frame body, a horizontal bracket, a bearing seat and a driving assembly for driving the mounting shaft; the inner wall corresponding to the long edge of the frame body is fixedly connected with the side surface of the mixing tank, the included angle between the central axis of the frame body along the length direction and the central axis of the mixing tank is A, and A is more than 0 degree and less than 90 degrees; the mounting shaft is mounted on the bearing block through a bearing. The utility model discloses concrete mixing device is to concrete material stirring, and stirring effect is good.

Description

Concrete mixing device

Technical Field

The utility model relates to a building field, concretely relates to concrete mixing device.

Background

Concrete mixing is an operation method for uniformly mixing cement, lime, water and other materials. In the concrete mixing process, the consistency is generally higher, the stirring resistance is large by adopting a common stirring device, the stirring effect is not good, and various materials cannot be uniformly mixed. For example, chinese utility model patent No. 2017202064308 discloses a concrete mixing device, which utilizes the first helical blade and the second helical blade on the mixing shaft to output the concrete material from top to bottom and then from bottom to top, thereby achieving the purpose of mixing the concrete material. But this kind of stirring structure mainly is through stirring the realization mix from top to bottom, adopt the blade of spiral, it is relatively poor at radial mixed effect, and need the great just better mixed effect of realization of the rotational speed of pivot, and set up the (mixing) shaft of a plurality of not equidirectionals with the agitator in, because the resistance that receives when every (mixing) shaft stirs is different, agitator itself produces radial shake easily, it is higher to agitating unit's fixed knot structure requirement, and the noise is bigger, be unfavorable for industrial production. The conventional stirring blade with larger stirring area has larger resistance, needs a high-speed and high-torque driving motor, has higher equipment requirement and shorter service life of the motor. The existing mixing tank is inclined by rotating, but the mixing mode mainly focuses on the bottom of the mixing tank, the stirring range is small, and particularly, the mixing mode is difficult to mix uniformly due to large consistency. Therefore, a concrete mixing device capable of mixing materials uniformly is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned conventional art's weak point, provide an even concrete mixing device of compounding.

The purpose of the utility model is achieved through the following technical measures: a concrete mixing device comprises a cylindrical mixing tank with a discharge window, a rotating shaft arranged at the top of the mixing tank through a bearing, a stirring paddle arranged at one end of the rotating shaft and a first motor used for driving the rotating shaft to rotate, wherein the stirring paddle is positioned in an inner cavity of the mixing tank; the device also comprises a rectangular frame body, a mounting shaft arranged in the middle of the outer wall corresponding to the wide edge of the frame body, a horizontal bracket, a bearing seat and a driving assembly for driving the mounting shaft; the inner wall corresponding to the long edge of the frame body is fixedly connected with the side surface of the mixing tank, the included angle between the central axis of the frame body along the length direction and the central axis of the mixing tank is A, and A is more than 0 degree and less than 90 degrees; the mounting shaft is mounted on the bearing block through a bearing.

The utility model discloses an among them embodiment, drive assembly includes that the coaxial driven gear who is fixed in installation axle side, the second motor that is fixed in horizontal support and the coaxial driving gear that is fixed in second motor output shaft, driving gear and driven gear meshing.

In one embodiment of the present invention, the stirring paddle is a twist frame type stirring paddle.

The utility model discloses an among them embodiment, still include two at least spoilers that are fixed in the stirring rake inside casing, arbitrary two adjacent spoilers are not parallel to each other.

The utility model discloses an among them embodiment, compounding tank bottoms portion is demountable installation's lid.

In one embodiment of the present invention, the bottom of the mixing tank is located outside the frame.

In one embodiment of the present invention, a sealing end cover is disposed at the joint of the rotating shaft and the mixing tank.

In one embodiment of the present invention, the first motor is located outside the mixing tank.

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

1. the frame body installed on the horizontal support is driven to rotate through the driving assembly, the motion trail of the mixing tank is a cone with upper and lower vertexes coincident, namely, the heights of two ends of the mixing tank are different in the mixing process, the frame body rotates in the process, concrete falls into lower end from higher end, the concrete is turned in a three-dimensional space in a large range, the stirring paddle performs auxiliary stirring under the driving of the first motor, the first motor can achieve higher mixing effect under lower rotating speed, and the requirement on equipment is low.

2. Adopt horizontal support to weigh framework and compounding jar, reduce drive assembly's axial load, further reduce to drive assembly performance requirement, drive assembly only need provide drive framework pivoted torsion can.

3. A single rotating shaft is used in the stirring tank, so that low-speed rotation resistance is small, and radial shaking is avoided.

Drawings

FIG. 1 is a schematic structural view of a concrete mixing apparatus according to an embodiment.

Fig. 2 is a schematic structural view of the paddle.

Wherein: 10. a mixing tank; 101. a discharge window; 201. a rotating shaft; 202. a twist frame type stirring paddle; 30. a first motor; 40. a frame body; 50. Installing a shaft; 60. a horizontal bracket; 70. a bearing seat; 801. a driven gear; 802. a driving gear; 803. a second motor; 901. a spoiler; 902. and sealing the end cover.

Detailed Description

Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a "long limit", "broadside" are curb plate that framework 40 is longer, the shorter curb plate of framework 40 respectively, and length direction is the length measurement direction on long limit, and width direction is the same.

As shown in fig. 1-2, the present embodiment provides a concrete mixing device, which includes a cylindrical mixing tank 10 having a discharge window 101, a rotating shaft 201 installed on the top of the mixing tank 10 through a bearing, a stirring paddle installed at one end of the rotating shaft 201, and a first motor 30 for driving the rotating shaft 201 to rotate, wherein the stirring paddle is located in an inner cavity of the mixing tank 10; the device also comprises a rectangular frame body 40, a mounting shaft 50 arranged in the middle of the outer wall corresponding to the wide side of the frame body 40, a horizontal bracket 60, a bearing seat 70 and a driving component for driving the mounting shaft 50; the inner wall corresponding to the long edge of the frame body 40 is fixedly connected with the side surface of the mixing tank 10, and the included angle between the central axis of the frame body 40 along the length direction and the central axis of the mixing tank 10 is 45 degrees; the mounting shaft 50 is bearing mounted to a bearing mount 70. The driving assembly comprises a driven gear 801 coaxially fixed on the side surface of the mounting shaft 50, a second motor 803 fixed on the horizontal bracket 60 and a driving gear 802 coaxially fixed on the output shaft of the second motor 803, and the driving gear 802 is meshed with the driven gear 801.

The working principle is as follows: after concrete materials are added into the mixing tank 10 through the discharging window 101, the discharging window 101 is covered, the first motor 30 and the second motor 803 are started, the second motor 803 drives the driving gear 802 to drive the driven gear 801 to rotate, thereby driving the frame body 40 with the bearing arranged on the horizontal bracket 60 to rotate, the rotating frame body 40 drives the mixing tank 10 to turn over, at the moment, the mixing tank 10 is arranged obliquely, when the bottom of mixing bowl 10 is higher than the top, concrete material enrichment bottom mixing bowl 10 under the effect of gravity, framework 40 continues to rotate to the top that the jar body is higher than the bottom, concrete material gathers like mixing bowl 10 top under the effect of gravity, especially includes water among the concrete material, has fluidic nature, and the motion trail of mixing bowl 10 is the circular cone of upper and lower two summits coincidence, and everywhere's raw materials can't be detained for a long time, carries out stirring and stirring in three-dimensional direction ceaselessly in mixing bowl 10. The driving gear 802 and the driven gear 801 are stably driven, and meshing of the driving gear 802 and the driven gear 801 is guaranteed. If the output shaft of the second motor 803 is directly connected with the mounting shaft 50, it is necessary to ensure that the output shaft of the second motor 803 is coaxial with the mounting shaft 50, and the requirement on mounting accuracy is high.

In order to reduce stirring resistance, the stirring paddle is a twist frame type stirring paddle 202. Twist frame stirring rake 202 can reduce stirring resistance in, rotates the in-process and can produce the ascending shearing force of a plurality of directions, and mixing efficiency is higher, mixes more evenly.

The stirring paddle also comprises two spoilers 901 fixed on the inner frame of the stirring paddle, and the two adjacent spoilers 901 are not parallel to each other. The concrete material is blocked by the spoiler 901, so that shearing forces in different directions are generated, and the mixing efficiency is improved.

In order to facilitate discharging and feeding, the bottom of the mixing tank 10 is a detachably mounted cover body. When a large amount of materials are required to be fed or discharged, the bottom of the mixing tank 10 is opened, and the materials can be rapidly fed or discharged.

To avoid spatial interference of the frame 40 to affect removal of the bottom of the mixing bowl 10, the bottom of the mixing bowl 10 is located outside of the frame 40.

In order to avoid the leakage of the concrete raw material, a sealing end cover 902 is arranged at the joint of the rotating shaft 201 and the mixing tank 10.

To avoid contamination of the first motor 30 with concrete raw material, the first motor 30 is located outside the mixing bowl 10.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. A concrete stirring device comprises a cylindrical mixing tank with a discharge window, a rotating shaft arranged at the top of the mixing tank through a bearing, a stirring paddle arranged at one end of the rotating shaft and a first motor used for driving the rotating shaft to rotate, wherein the stirring paddle is positioned in an inner cavity of the mixing tank; the method is characterized in that: the device comprises a frame body, a mounting shaft, a horizontal bracket, a bearing seat and a driving assembly, wherein the mounting shaft is arranged in the middle of the outer wall corresponding to the wide edge of the frame body; the inner wall corresponding to the long edge of the frame body is fixedly connected with the side face of the mixing tank, the included angle between the central axis of the frame body along the length direction and the central axis of the mixing tank is A, and A is more than 0 degree and less than 90 degrees; the mounting shaft is mounted on the bearing block through a bearing.

2. A concrete mixing apparatus according to claim 1, wherein: the driving assembly comprises a driven gear coaxially fixed on the side face of the mounting shaft, a second motor fixed on the horizontal support and a driving gear coaxially fixed on an output shaft of the second motor, and the driving gear is meshed with the driven gear.

3. A concrete mixing apparatus according to claim 1, wherein: the stirring paddle is a twist frame type stirring paddle.

4. A concrete mixing apparatus according to claim 3, wherein: the stirring paddle is characterized by further comprising at least two spoilers fixed on the inner frame of the stirring paddle, and any two adjacent spoilers are not parallel to each other.

5. A concrete mixing apparatus according to claim 1, wherein: the bottom of the mixing tank is a detachably mounted cover body.

6. A concrete mixing apparatus according to claim 1, wherein: the bottom of the mixing tank is positioned outside the frame body.

7. A concrete mixing apparatus according to claim 1, wherein: and a sealing end cover is arranged at the joint of the rotating shaft and the mixing tank.

8. A concrete mixing apparatus according to claim 1, wherein: the first motor is located outside the mixing bowl.

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