CN219902729U - Cement mixer for building engineering - Google Patents

Abstract

The utility model belongs to the technical field of constructional engineering, and particularly relates to a cement mixer for constructional engineering, which comprises a base and a mixing tank. The base is provided with a rotary power source, the base is also provided with a rotary seat, and the rotary seat is fixedly provided with a fixed shaft; the stirring tank is characterized in that one end of the stirring tank is opened, the inner cavity of the stirring tank is used for accommodating cement concrete, the other end of the stirring tank is sleeved on the fixed shaft and is rotationally connected with the fixed shaft, and spiral blades extending spirally along the axis direction of the stirring tank are arranged on the inner wall of the stirring tank; the rotary power source is used for driving the stirring tank to axially rotate around the fixed shaft, the stirring tank is internally provided with an accelerating stirring assembly, and the accelerating stirring assembly is used for assisting the spiral blades to stir cement concrete in the stirring tank. According to the utility model, the accelerating stirring component is arranged to assist the spiral blade to stir the cement concrete in the stirring tank, so that the mixing efficiency of the cement concrete can be improved, and the mixing time is shortened.

Description

Cement mixer for building engineering

Technical Field

The utility model belongs to the technical field of constructional engineering, and particularly relates to a cement mixer for constructional engineering.

Background

Cement is a powdery hydraulic inorganic cementing material. The water is added and stirred to form slurry, which can harden in air or better harden in water and firmly bond sand, stone and other materials together.

In order to uniformly stir cement, a cement stirrer, also called a concrete stirrer, is used for mixing cement, sand and stone aggregates and water to prepare a concrete mixture, and mainly comprises a mixing drum, a feeding and discharging mechanism, a water supply system, a prime motor, a transmission mechanism, a frame, a supporting device and the like.

The existing simple cement mixer is like a cement mixing tank with the patent number of CN204209826U, the tank is cylindrical, a gear ring is arranged on the tank body, and a transmission gear drives the gear ring to rotate, so that the tank body rotates, cement and sand in the tank body are uniformly stirred by rolling in the tank body, and the mixing tank with the structure has the defects of low mixing efficiency and long mixing time.

Disclosure of Invention

The utility model aims at solving the technical problems and provides a cement mixer for construction engineering, which can improve the mixing efficiency of cement concrete and reduce the mixing time.

In view of the above, the present utility model provides a cement mixer for construction engineering, comprising:

the device comprises a base, wherein a rotating power source is arranged on the base, a rotating seat is also arranged on the base, and a fixed shaft is fixedly arranged on the rotating seat;

the stirring tank is provided with an opening at one end, the inner cavity of the stirring tank is used for accommodating cement concrete, the other end of the stirring tank is sleeved on the fixed shaft and is rotationally connected with the fixed shaft, and the inner wall of the stirring tank is provided with spiral blades extending spirally along the axial direction of the stirring tank;

the stirring tank is further internally provided with an accelerating stirring assembly, and the accelerating stirring assembly is used for assisting the spiral blades to stir cement concrete in the stirring tank.

In this technical scheme, the agitator tank can rotate around self axis circumference under the effect of rotation power supply, and spiral blade on the agitator tank inner wall can drive cement concrete at agitator tank pivoted in-process and roll, consequently play the effect of mixed cement concrete, but spiral blade can only be used in the cement concrete that is close to the agitator tank inner wall, and the cement concrete at agitator tank center is less mixed, can assist the cement concrete stirring in the agitator tank of spiral blade through setting up to accelerate the stirring subassembly, can improve cement concrete's mixing efficiency, reduces mixing time.

Further, the acceleration stirring assembly includes:

the stirring driving piece is fixedly arranged on the rotating seat and can output circular motion;

and the intermediate shaft coaxially penetrates through one end of the fixed shaft to be connected with the output end of the stirring driving piece, the other end of the intermediate shaft extends into the stirring tank, and a plurality of stirring rollers are arranged on the periphery of the intermediate shaft along the circumferential direction.

In this technical scheme, stirring roller is rotatory round the jackshaft axial when stirring driving piece can drive the jackshaft rotation to stir the cement concrete of agitator tank inner chamber, promote cement concrete to mix as soon as possible.

Further, the stirring rollers are provided with a plurality of groups along the length direction of the intermediate shaft, and at least comprise two groups of stirring rollers which are respectively close to two ends of the stirring tank and stirring rollers corresponding to the middle of the stirring tank.

Further, the inner wall of agitator tank open end is the slope form, and the tip of agitator tank open end corresponding agitator roller is provided with the inclined plane the same with agitator tank inner wall inclination, and the agitator roller of agitator tank other end sets up to the arc roller the same with agitator tank inner wall radian.

In this technical scheme, the stirring roller shape at agitator tank both ends sets up to with agitator tank inner wall shape assorted can prevent that cement concrete from gluing on both ends inner wall and not participating in the mixing, causes the waste.

Further, a scoop is arranged at the end of the stirring roller corresponding to the middle of the stirring tank.

In this technical scheme, the stirring roller tip is provided with and scoops up the cement concrete that the spoon can be scooped up in the jackshaft rotation in-process, then throws down the cement concrete that scoops up in the eminence, can promote the mixing of cement concrete.

Further, the intermediate shaft is opposite to the rotation direction of the stirring tank.

In this technical scheme, the jackshaft can make the cement concrete that helical blade stirred and the cement concrete that the stirring roller stirred mix mutually collision always with the opposite direction of rotation of agitator tank, so can further promote cement concrete's mixing, improves mixing efficiency.

Further, a gear ring is fixedly connected to the periphery of the stirring tank, a driving gear is arranged at the output end of the rotary power source, the driving gear can axially rotate, and the driving gear is meshed with the gear ring.

In this technical scheme, the rotation power source makes the drive gear rotate, and drive gear and ring gear meshing. So that the gear ring rotates around the fixed shaft with the stirring tank.

Further, the rotary power source comprises a motor and a speed reduction structure, and the output end of the speed reduction structure is provided with the driving gear.

Further, the stirring driving piece is a motor.

Further, a travelling wheel is arranged below the base.

In this technical scheme, the walking wheel can make things convenient for the removal of mixer.

The beneficial effects of the utility model are as follows:

1. the stirring tank can circumferentially rotate around the axis of the stirring tank under the action of a rotating power source, and the spiral blades on the inner wall of the stirring tank can drive cement concrete to roll in the stirring tank rotating process, so that the stirring tank has the effect of mixing cement concrete, but the spiral blades can only act on cement concrete close to the inner wall of the stirring tank, the cement concrete in the center of the stirring tank is less mixed, the stirring of the cement concrete in the stirring tank by the spiral blades can be assisted by setting an accelerating stirring assembly, the mixing efficiency of the cement concrete can be improved, and the mixing time is shortened.

2. The shape of the stirring roller at two ends of the stirring tank is matched with the shape of the inner wall of the stirring tank, so that cement concrete can be prevented from being stuck on the inner walls at two ends and not involved in mixing, and waste is caused.

3. The jackshaft and the opposite cement concrete that can make helical blade stirring and stirring roller stirring mix each other collision always with the rotation direction of agitator tank, so can further promote cement concrete's mixing, improve mixing efficiency.

4. The stirring roller tip is provided with the scoop and can scoop up cement concrete in jackshaft rotation in-process, then throws down the cement concrete of scooping up in the eminence, can promote cement concrete's mixing.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a cross-sectional view of a stirred tank;

FIG. 4 is a partial cross-sectional view A-A of FIG. 3;

the label in the figure is:

1. a base; 2. a stirring tank; 3. a walking wheel; 4. a rotating seat; 5. a fixed shaft; 6. a motor; 7. a deceleration structure; 8. a drive gear; 9. a rotary power source; 10. a gear ring; 11. accelerating the stirring assembly; 12. a stirring driving member; 13. an intermediate shaft; 14. an inclined surface; 15. an arc roller; 16. a scoop; 17. stirring roller.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a person skilled in the art based on the embodiments of the present utility model, fall within the scope of protection of the present utility model.

In the description of the present utility model, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present utility model. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

It should be noted that the terms "first," "second," and the like in the description and in the claims are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present utility model may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type, and are not limited to the number of objects, such as the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

It should be noted that, in the description of the present utility model, the terms like "front, rear, upper, lower, left, right", "horizontal, vertical, horizontal", and "top, bottom", etc. generally refer to the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and these orientation terms do not indicate and imply that the apparatus or elements referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus should not be construed as limiting the scope of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

It should be noted that, in the present utility model, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present utility model is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Example 1:

as shown in fig. 1 to 3, a cement mixer for construction engineering comprises a base 1 and a mixing tank 2. A travelling wheel 3 is arranged below the base 1. The travelling wheel 3 can facilitate the movement of the mixer.

The base 1 is provided with a rotary power source 9, the base 1 is also provided with a rotary seat 4, and the rotary seat 4 is fixedly provided with a fixed shaft 5; one end of the stirring tank 2 is opened, the inner cavity of the stirring tank 2 is used for accommodating cement concrete, the other end of the stirring tank 2 is sleeved on the fixed shaft 5 and is rotationally connected with the fixed shaft 5, and spiral blades which extend spirally along the axial direction of the stirring tank 2 are arranged on the inner wall of the stirring tank 2; the helical blades are of conventional configuration and are not shown. The rotary power source 9 is used for driving the stirring tank 2 to axially rotate around the fixed shaft 5. The rotary power source 9 comprises a motor 6 and a speed reducing structure 7, and a driving gear 8 is arranged at the output end of the speed reducing structure 7. A gear ring 10 is fixedly connected to the periphery of the stirring tank 2, and the driving gear 8 is meshed with the gear ring 10. The rotary power source 9 rotates the drive gear 8, and the drive gear 8 meshes with the ring gear 10. So that the ring gear 10 rotates around the fixed shaft 5 with the agitator tank 2.

The stirring tank 2 is also internally provided with an acceleration stirring assembly 11, and the acceleration stirring assembly 11 is used for assisting the spiral blades to stir the cement concrete in the stirring tank 2. The stirring tank 2 can circumferentially rotate around the axis of the stirring tank 2 under the action of the rotating power source 9, and the spiral blades on the inner wall of the stirring tank 2 can drive cement concrete to roll in the process of rotating the stirring tank 2, so that the stirring tank can only act on cement concrete close to the inner wall of the stirring tank 2, the cement concrete in the center of the stirring tank 2 is less mixed, the stirring component 11 can assist the spiral blades to stir the cement concrete in the stirring tank 2, the mixing efficiency of the cement concrete can be improved, and the mixing time is shortened.

Example 2:

as shown in fig. 2-3, the accelerated agitation assembly 11 includes an agitation drive 12 and an intermediate shaft 13. The agitation driving member 12 is a motor. The stirring driving piece 12 is fixedly arranged on the rotating seat 4, and the stirring driving piece 12 can output circular motion; one end of the intermediate shaft 13 coaxially penetrates through the fixed shaft 5 to be connected with the output end of the stirring driving piece 12, the other end of the intermediate shaft extends into the stirring tank 2, and a plurality of stirring rollers 17 are arranged on the outer periphery of the intermediate shaft 13 along the circumferential direction. The spiral blades are staggered from the stirring roller 17 and do not contact each other. The stirring driving member 12 can drive the intermediate shaft 13 to rotate, and the stirring roller 17 axially rotates around the intermediate shaft 13, so that the cement concrete in the inner cavity of the stirring tank 2 is stirred, and the cement concrete is promoted to be mixed as soon as possible.

Example 3:

as shown in fig. 2-3, the intermediate shaft 13 is counter-rotating to the rotation of the agitator tank 2. The intermediate shaft 13 and the stirring tank 2 are rotated in opposite directions, so that the cement concrete stirred by the spiral blades and the cement concrete stirred by the stirring roller always collide and mix with each other, and thus the mixing of the cement concrete can be further promoted, and the mixing efficiency can be improved.

Example 4:

as shown in fig. 3-4, the stirring rollers 17 are provided with a plurality of groups along the length direction of the intermediate shaft 13, and at least comprise two groups of stirring rollers 17 respectively near two ends of the stirring tank 2 and stirring rollers 17 in the middle of the corresponding stirring tank 2. The stirring tank 2 has no spiral blades at both ends and thus does not interfere with the stirring roller 17. The inner wall of the open end of the stirring tank 2 is inclined, the end part of the stirring roller 17 corresponding to the open end of the stirring tank 2 is provided with an inclined surface 14 with the same inclination angle as the inner wall of the stirring tank 2, and the stirring roller 17 at the other end of the stirring tank 2 is provided with an arc roller 15 with the same radian as the inner wall of the stirring tank 2. The shape of the stirring roller 17 at the two ends of the stirring tank 2 is matched with the shape of the inner wall of the stirring tank 2, so that cement concrete can be prevented from adhering to the inner walls at the two ends and not being mixed, and waste is caused. A scoop 16 is provided at the end of the stirring roller 17 corresponding to the middle of the stirring tank 2. The stirring roller 17 is provided with a scoop 16 at an end portion thereof, which is capable of scooping up cement concrete during rotation of the intermediate shaft 13, and then throwing the scooped cement concrete at a high place, so that mixing of cement concrete can be promoted.

The embodiments of the present utility model have been described above with reference to the accompanying drawings, in which the embodiments of the present utility model and features of the embodiments may be combined with each other without conflict, the present utility model is not limited to the above-described embodiments, which are merely illustrative, not restrictive, of the present utility model, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are protected by the present utility model.

Claims (10)

1. A cement mixer for construction engineering, comprising:

the device comprises a base (1), wherein a rotary power source (9) is arranged on the base (1), a rotary seat (4) is also arranged on the base (1), and a fixed shaft (5) is fixedly arranged on the rotary seat (4);

the stirring tank (2), one end of the stirring tank (2) is opened, the inner cavity of the stirring tank (2) is used for accommodating cement concrete, the other end of the stirring tank (2) is sleeved on the fixed shaft (5) and is rotationally connected with the fixed shaft (5), and spiral blades which extend spirally along the axial direction of the stirring tank (2) are arranged on the inner wall of the stirring tank (2);

the stirring device comprises a stirring tank (2), a rotating power source (9), a stirring accelerating assembly (11) and a spiral blade, wherein the rotating power source (9) is used for driving the stirring tank (2) to axially rotate around a fixed shaft (5), and the stirring accelerating assembly (11) is further arranged in the stirring tank (2) and used for assisting the spiral blade to stir cement concrete in the stirring tank (2).

2. A cement mixer for construction works according to claim 1, characterized in that said acceleration stirring assembly (11) comprises:

the stirring driving piece (12), the stirring driving piece (12) is fixedly arranged on the rotating seat (4), and the stirring driving piece (12) can output circular motion;

the intermediate shaft (13), intermediate shaft (13) pass fixed axle (5) one end coaxially and are connected with the output of stirring driving piece (12), and the other end extends to in agitator tank (2), and the periphery is provided with many stirring rollers (17) along the circumferencial direction on intermediate shaft (13).

3. A cement mixer for construction engineering according to claim 2, characterized in that the mixing rolls (17) are provided with a plurality of groups along the length direction of the intermediate shaft (13), at least comprising two groups of mixing rolls (17) respectively near both ends of the mixing tank (2) and mixing rolls (17) in the middle of the corresponding mixing tank (2).

4. The cement mixer for construction engineering according to claim 1, wherein the inner wall of the open end of the mixing tank (2) is inclined, the end of the mixing roller (17) corresponding to the open end of the mixing tank (2) is provided with an inclined surface (14) having the same inclination angle as the inner wall of the mixing tank (2), and the mixing roller (17) at the other end of the mixing tank (2) is provided with an arc roller (15) having the same radian as the inner wall of the mixing tank (2).

5. A cement mixer for construction engineering according to claim 3, characterized in that a scoop (16) is provided at the end of the stirring roller (17) corresponding to the middle of the stirring tank (2).

6. A cement mixer for construction use according to claim 2, characterized in that the intermediate shaft (13) is counter-rotating to the rotation direction of the mixing tank (2).

7. The cement mixer for construction engineering according to claim 1, wherein a gear ring (10) is fixedly connected to the periphery of the mixing tank (2), a driving gear (8) is arranged at the output end of the rotation power source (9), the driving gear (8) can axially rotate, and the driving gear (8) is meshed with the gear ring (10).

8. A cement mixer for construction engineering according to claim 7, characterized in that the rotary power source (9) comprises a motor (6) and a reduction structure (7), the output end of the reduction structure (7) being provided with the above-mentioned driving gear (8).

9. A cement mixer for construction use according to claim 2, wherein the mixing drive (12) is a motor.

10. A cement mixer for construction engineering according to claim 1, characterized in that a travelling wheel (3) is arranged below the base (1).