CN114102859A

CN114102859A - Stirring device

Info

Publication number: CN114102859A
Application number: CN202010896255.6A
Authority: CN
Inventors: 邬宇强; 韩冰; 邹亮; 苏俊超; 刘阳
Original assignee: Guangdong Bozhilin Robot Co Ltd
Current assignee: Guangdong Bozhilin Robot Co Ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2022-03-01

Abstract

The application provides a stirring device, and relates to the technical field of concrete stirring. The stirring device comprises a stirring shaft and at least two stirring assemblies. Each stirring assembly comprises a first stirring blade and a connecting rod, and the connecting rod is connected with the stirring shaft and the first stirring blade. At least two first stirring blades are distributed up and down along the axial direction of the stirring shaft. The slurry facing surface of the first stirring blade on the upper layer inclines downwards along the rotating direction, and the slurry facing surface of the first stirring blade on the lower layer inclines upwards along the rotating direction. The stirring device comprises a stirring shaft and a stirring assembly, and is simple in structure and easy to manufacture. The first stirring vane of lower floor turns over the material up, and the first stirring vane of upper strata makes the material roll at the agitator with the material down pushing down, both cooperations, and stirring efficiency is higher.

Description

Stirring device

Technical Field

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

Background

The blades used for stirring the mortar concrete on the market at present are various in types and different in shapes, and according to appearance shapes, the existing types are fan-shaped, propeller-shaped, soft cross-shaped, butterfly-shaped and the like. When the blades are used for stirring, in the stirring process, the slurry rotates in the same direction, the vortex is easily generated, and the stirring efficiency is lower. The application provides a novel agitating unit, stirs efficiently.

Disclosure of Invention

An object of the embodiment of the application is to provide a stirring device, it aims at improving among the correlation technique stirring vane processing degree of difficulty height, the problem of stirring inefficiency.

The embodiment of the application provides a stirring device, which comprises a stirring shaft and at least two stirring components. Each stirring assembly comprises a first stirring blade and a connecting rod, and the connecting rod is connected with the stirring shaft and the first stirring blade. At least two first stirring blades are distributed up and down along the axial direction of the stirring shaft. The slurry facing surface of the first stirring blade on the upper layer inclines downwards along the rotating direction, and the slurry facing surface of the first stirring blade on the lower layer inclines upwards along the rotating direction. The stirring device comprises a stirring shaft and a stirring assembly, and is simple in structure and easy to manufacture. The first stirring vane of this agitating unit's lower floor upwards turns over the material, and the first stirring vane on upper strata makes the material roll at the agitator with the material down pushing down, both cooperations, and stirring efficiency is higher.

As an optional technical scheme of the embodiment of the application, the radial distances between at least two first stirring blades and the stirring shaft are different. Through making two at least first stirring vane the same with the radial interval of (mixing) shaft, two at least first stirring vane's working range just also are different, and two at least first stirring vane stirs in two at least working range, realize carrying out all-round stirring along the radial of (mixing) shaft, have promoted stirring efficiency.

As an alternative solution to the embodiment of the present application, the working ranges of at least two first stirring blades partially overlap. The working ranges of the first stirring blades are partially overlapped, so that the all-dimensional stirring along the radial direction of the stirring shaft is practically ensured.

As an optional technical scheme of the embodiment of the application, at least two first stirring blades are uniformly distributed along the circumferential direction of the stirring shaft. Through making two at least first stirring vane at the circumference evenly distributed of (mixing) shaft for the degree of consistency of stirring is better, promotes the stirring quality.

As an optional technical solution of the embodiment of the present application, heights of the plurality of first stirring blades are different from each other. A plurality of first stirring vane's high diverse for a plurality of first stirring vane all-round stirring is carried out at the axial of (mixing) shaft to a plurality of, promotes stirring quality and stirring efficiency.

As an optional technical solution of the embodiment of the present application, a paddle facing surface of the first stirring blade at the highest position is inclined downward along the rotation direction, and paddle facing surfaces of the other first stirring blades are inclined upward along the rotation direction. The design of the vertical stirring vane of tradition, the material equidirectional vortex appears easily in the stirring process, and stirs the dry material and lower with the integration efficiency of water. The paddle facing surface of the first stirring blade with the highest position is inclined downwards along the rotating direction, the paddle facing surfaces of the other first stirring blades are inclined upwards along the rotating direction, the situation that materials continuously flow in the same direction can not occur at the top of the stirring barrel in the process of stirring in batches is guaranteed, the first stirring blades inclined downwards along the rotating direction can break balance, the efficiency of stirring the materials at the periphery is improved, and the stirring is more sufficient.

As an alternative to the embodiments of the present application, the connecting rod includes a radially extending portion and an axially extending portion. One end of the radial extension part is connected with the stirring shaft. The axial extension part extends from top to bottom, one end of the axial extension part is connected with the radial extension part, and the other end of the axial extension part is connected with the first stirring blade. The radial extension and the axial extension of connecting rod can be used for cutting the mortar, and the stirring is accelerated, can be connected to different stirring position with first stirring vane in addition, realizes all-round stirring.

As an optional technical scheme of the embodiment of the application, the stirring device further comprises a stirring barrel and a driving device. The stirring device is arranged in the stirring barrel, and the driving device is in transmission connection with the stirring shaft. The agitator provides stirred vessel, and drive arrangement provides power, is convenient for realize the stirring.

As an optional technical scheme of this application embodiment, be connected with the rubber pad on the first stirring vane, the rubber pad contacts with the inner wall of agitator. Through setting up the rubber pad, enlarged the area of contact of material with first stirring vane. The rubber pad contacts with the inner wall of the stirring barrel, so that the overlapping of the excess materials in the stirring barrel after long-term use is reduced. When the rubber pad is used for a long time, the rubber pad can be adjusted according to the abrasion loss, and the service life is ensured.

As an optional technical solution of the embodiment of the present application, the stirring device includes a stirring barrel, and the stirring barrel includes a straight barrel portion located above and a tapered barrel portion located below. The first stirring blade and the connecting rod are positioned in the straight barrel part. The stirring device further comprises a second stirring blade, the second stirring blade is installed at the lower end of the stirring shaft, and the second stirring blade is located in the cone part. The straight barrel part of the stirring barrel adopts a connecting rod and a first stirring blade to realize the all-round stirring of the straight barrel part. The second stirring blade is arranged at the conical barrel part, so that the stirring sufficiency around the stirring shaft is ensured, and dead angles are avoided from occurring at the central position. The first stirring blade is matched with the second stirring blade, so that the stirring efficiency of a closed-loop system of the whole stirring system is higher.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a stirring device (a stirring barrel is not shown) provided in an embodiment of the present application;

fig. 2 is a schematic structural diagram of an agitating device provided in an embodiment of the present application at a first viewing angle;

fig. 3 is a schematic structural diagram of a stirring device (showing a stirring barrel) provided in an embodiment of the present application.

Icon: 10-a stirring device; 100-stirring shaft; 200-a stirring assembly; 210-a connecting rod; 220-a first stirring blade; 230-a rubber pad; 240-a compacting plate; 300-a second stirring blade; 400-stirring barrel; 500-working range.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, refer to the orientation or positional relationship as shown in the drawings, or as conventionally placed in use of the product of the application, or as conventionally understood by those skilled in the art, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present application.

Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be 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 application can be understood in a specific case by those of ordinary skill in the art.

Examples

Referring to fig. 1, the present embodiment provides a stirring apparatus 10, wherein the stirring apparatus 10 includes a stirring shaft 100 and at least two stirring assemblies 200. Each stirring assembly 200 includes a first stirring blade 220 and a connecting rod 210, and the connecting rod 210 connects the stirring shaft 100 and the first stirring blade 220. At least two first stirring vanes 220 are distributed up and down along the axial direction of the stirring shaft 100. The paddle-facing surface of the first stirring vane 220 at the upper layer is inclined downward in the rotating direction (counterclockwise direction when viewed from top to bottom in fig. 1), and the paddle-facing surface of the first stirring vane 220 at the lower layer is inclined upward in the rotating direction (counterclockwise direction when viewed from top to bottom in fig. 1). The stirring device 10 comprises a stirring shaft 100 and a stirring assembly 200, and is simple in structure and easy to manufacture. The first stirring vane 220 of this agitating unit 10's lower floor turns over the material up, and the first stirring vane 220 on upper strata makes the material roll at agitator 400 with the material down pushing down, both cooperations, and stirring efficiency is higher.

Referring to fig. 1, in the present embodiment, the paddle facing surface of the highest first stirring blade 220 is inclined downward along the rotation direction (counterclockwise direction when viewed from top to bottom in fig. 1), and the paddle facing surfaces of the other first stirring blades 220 are inclined upward along the rotation direction (counterclockwise direction when viewed from top to bottom in fig. 1). The design of the vertical stirring vane of tradition, the material equidirectional vortex appears easily in the stirring process, and stirs the dry material and lower with the integration efficiency of water. The paddle-facing surface of the first stirring blade 220 with the highest position is inclined downwards along the rotating direction, the paddle-facing surfaces of the other first stirring blades 220 are inclined upwards along the rotating direction, the situation that materials continuously flow in the same direction can not occur at the top of the stirring barrel 400 in the process of large-batch stirring is guaranteed, the first stirring blades 220 inclined downwards along the rotating direction can break balance, the efficiency of stirring the materials at the periphery is improved, and the stirring is more sufficient.

In the present embodiment, the paddle facing surface of the first stirring blade 220 located at the highest position is inclined downward in the rotating direction (counterclockwise direction when viewed from top to bottom in fig. 1), and the paddle facing surfaces of the remaining first stirring blades 220 are inclined upward in the rotating direction (counterclockwise direction when viewed from top to bottom in fig. 1). In an alternative embodiment, the paddle facing surfaces of the first stirring vanes 220 positioned highest and second highest are inclined downward in the rotational direction, and the paddle facing surfaces of the remaining first stirring vanes 220 are inclined upward in the rotational direction. In another alternative embodiment, a plurality of the first stirring vanes 220 located highest are provided, the slurry facing surfaces of the plurality of first stirring vanes 220 located highest are inclined downward in the rotational direction, and the slurry facing surfaces of the remaining first stirring vanes 220 are inclined upward in the rotational direction.

Referring to fig. 1, in the present embodiment, the connecting rod 210 is a circular tube. The connecting rod 210 is a circular tube, which is convenient for cleaning and prolongs the service life of the stirring device 10. The connecting rod 210 has a bent portion. The bent portion of the connecting rod 210 may be used to cut the mortar and accelerate the stirring. The portions of the connecting rods 210 before bending extend in the radial direction of the stirring shaft 100, and the extending distances of the different connecting rods 210 are different, so that the distances between the first stirring blades 220 and the stirring shaft 100 are different. The bent portions of the connecting rods 210 extend in the axial direction of the stirring shaft 100, and the extending distances of the different connecting rods 210 are different, so that the heights of the plurality of first stirring blades 220 are different from each other. Referring to fig. 1, in the present embodiment, a radial distance between the first stirring vane 220 located at the axially lowest position of the stirring shaft 100 and the stirring shaft 100 is the smallest, and the first stirring vane 220 located at the axially lowest position of the stirring shaft 100 is connected to the uppermost part of the stirring shaft 100 through the connecting rod 210.

In this embodiment, the first stirring blade 220 is welded to an end of the connecting rod 210 away from the stirring shaft 100, and a rubber pad 230 is connected to the first stirring blade 220. Referring to fig. 1, the rubber pad 230 is connected to the blade facing surface of the first stirring blade 220, the side of the rubber pad 230 away from the first stirring blade 220 is pressed by the pressing plate 240, and the screw passes through the rubber pad 230 and is screwed with the first stirring blade 220, so as to fix the rubber pad 230 and the pressing plate 240 firmly. In this embodiment, the area of rubber pad 230 is greater than the area of meeting the thick liquid face, through setting up rubber pad 230, has enlarged the area of contact of material with first stirring vane 220, has just also increased first stirring vane 220's working range 500 to rubber pad 230 can be adjusted and change according to the wearing and tearing volume, has increased agitating unit 10's life.

Referring to fig. 1 and fig. 2, in the present embodiment, the distances between the first stirring blades 220 and the stirring shaft 100 are different. In the present embodiment, the distances from the first stirring vanes 220 to the stirring shaft 100 are sequentially increased, and the working ranges 500 of the first stirring vanes 220 cover the periphery of the stirring shaft 100. Through making a plurality of first stirring vane 220 inequality with the interval of (mixing) shaft 100, the working range 500 of a plurality of first stirring vane 220 is just also different, and a plurality of first stirring vane 220 stirs in a plurality of working ranges 500, realizes carrying out all-round stirring along the radial of (mixing) shaft 100, has promoted stirring efficiency. Referring to fig. 2, in the present embodiment, the working ranges 500 of the two first stirring blades 220 close to the distance between the stirring shafts 100 partially overlap. By partially overlapping the operating ranges 500 of the first stirring vanes 220, the stirring in all directions along the radial direction of the stirring shaft 100 is ensured.

In fig. 2, the area that the plurality of first agitating blades 220 can sweep is shown by dotted lines, in other words, the circle formed by two dotted circles in fig. 2 shows the operating range 500 of one first agitating blade 220. For example, the working range 500 of the first stirring vane 220 closest to the stirring shaft 100 in fig. 2 (i.e., the first stirring vane 220 located at the lower right) is a range of a circular ring surrounded by a dashed circle with the smallest diameter (the first dashed circle from the inside to the outside) and a dashed circle with the third smallest diameter (the third dashed circle from the inside to the outside). Whereas the working range 500 of the stirring vane located second far from the stirring shaft 100 in fig. 2 (i.e., the first stirring vane 220 located at the upper right) is a range of a circular ring surrounded by a dashed circle having the second smallest diameter (the second dashed circle from the inside to the outside) and a dashed circle having the fourth smallest diameter (the fourth dashed circle from the inside to the outside). It is clearly seen that the first mixing blade 220 closest to the mixing shaft 100 partially overlaps the working range 500 of the mixing blade second most distant from the mixing shaft 100, the overlapping range being the range of a circle surrounded by a dashed circle of the second smallest diameter (the second dashed circle from the inside outwards) and a dashed circle of the third smallest diameter (the third dashed circle from the inside outwards).

Referring to fig. 2, in the present embodiment, projections of the first stirring blades 220 on a horizontal plane are uniformly distributed within a range of 360 degrees. Through making a plurality of first stirring vane 220 projection on the horizontal plane at 360 degrees within range evenly distributed for the degree of consistency of stirring is better, promotes the stirring quality.

Referring to fig. 1 again, in the present embodiment, since the bent portions of the connecting rods 210 extend in the axial direction of the stirring shaft 100, and the extending distances of the different connecting rods 210 are different, the heights of the plurality of first stirring blades 220 are different from each other. The height diverse of a plurality of first stirring vane 220 for a plurality of first stirring vane 220 all-round stirring is carried out in the axial of (mixing) shaft 100, promotes stirring quality and stirring efficiency. Referring to fig. 1, it can be seen from fig. 1 that the working ranges 500 of the plurality of first stirring vanes 220 in the axial direction of the stirring shaft 100 also partially overlap. For example, the first stirring blade 220 positioned lowest partially overlaps the working range 500 of the first stirring blade 220 positioned second lowest. The working ranges 500 of two first stirring vanes 220 adjacent in the height direction partially overlap, ensuring all-round stirring in the axial direction of the stirring shaft 100.

Referring to fig. 1, in the present embodiment, the stirring device 10 further includes a second stirring blade 300, and the second stirring blade 300 is installed at the lower end of the stirring shaft 100. The defects that the linear speed of the movement of the materials around the rotating shaft is low and the centrifugal force is insufficient are overcome by arranging the second stirring blade 300, so that the stirring sufficiency around the stirring shaft 100 is ensured, and the dead angle is avoided at the central position. The cooperation of the first stirring blade 220 and the second stirring blade 300 enables the stirring efficiency of the closed loop system of the whole stirring system to be higher. In the present embodiment, referring to fig. 1, the working range 500 of the second stirring blade 300 is partially overlapped with the working range 500 of the first stirring blade 220 closest to the stirring shaft 100, so as to ensure no dead angle and omnibearing stirring.

Referring to fig. 3, in the present embodiment, the stirring device 10 further includes a stirring barrel 400 and a driving device. The stirring device 10 is arranged in the stirring barrel 400, and the driving device is in transmission connection with the stirring shaft 100. The mixing tank 400 provides a mixing container, and the driving device provides power, so that mixing is conveniently realized. The rubber pad 230 on the first stirring blade 220 closest to the wall of the stirring barrel 400 is in contact with the inner wall of the stirring barrel 400, so that the overlapping of the excess materials on the wall of the stirring barrel 400 in long-term use is reduced. In the present embodiment, the agitation vat 400 includes a straight tube portion located above and a tapered tube portion located below. The first agitating blade 220 and the connecting rod 210 are located inside the straight cylinder portion. The second agitating blade 300 is located in the tapered barrel portion. The straight barrel portion of the mixing barrel 400 is mixed in all directions by the connecting rod 210 and the first mixing blade 220. The second stirring blade 300 is arranged at the conical barrel part, so that the stirring sufficiency around the stirring shaft 100 is ensured, and the dead angle at the central position is avoided. The cooperation of the first stirring blade 220 and the second stirring blade 300 enables the stirring efficiency of the closed loop system of the whole stirring system to be higher.

The shape of the stirring unit 200 of the stirring device 10 may be adjusted according to the shape of the stirring barrel 400 so as to adapt to the shape of the stirring barrel 400.

The present embodiment provides a stirring device 10, the stirring device 10 comprising a stirring shaft 100 and at least two stirring assemblies 200. Each stirring assembly 200 includes a first stirring blade 220 and a connecting rod 210, and the connecting rod 210 connects the stirring shaft 100 and the first stirring blade 220. At least two first stirring vanes 220 are distributed up and down along the axial direction of the stirring shaft 100. The paddle-facing surface of the first stirring vane 220 at the upper layer is inclined downward in the rotating direction (counterclockwise direction when viewed from top to bottom in fig. 1), and the paddle-facing surface of the first stirring vane 220 at the lower layer is inclined upward in the rotating direction (counterclockwise direction when viewed from top to bottom in fig. 1). The radial spacing of the first stirring vanes 220 from the stirring shaft 100 is different. The working ranges 500 of the two first stirring vanes 220 close to the pitch of the stirring shaft 100 partially overlap. The heights of the plurality of first agitating blades 220 are different from each other. The working ranges 500 of the plurality of first stirring vanes 220 in the axial direction of the stirring shaft 100 also partially overlap.

The stirring device 10 ensures that the materials can be subjected to the reciprocating circular stirring without dead angles and in all directions under the condition that the stirring shaft 100 normally rotates through the layout of the stirring blades with different rotating radiuses and different rotating heights in the space. The slurry facing surface of the first stirring blade 220 on the upper layer inclines downwards along the rotating direction, the slurry facing surface of the first stirring blade 220 on the lower layer inclines upwards along the rotating direction, and the three-dimensional design is matched, so that the stirring effect is greatly improved, the uniformity of the material is ensured, the requirement on the flowability of the material can be quickly met, and the work efficiency and the material utilization rate are improved. Meanwhile, in the long-term use, cleaning and maintenance process, the connecting rod 210 is convenient for efficient cleaning, and the service life of the product is prolonged. The stirring device 10 is used in the precise stirring occasion, can accurately stir materials with small volume, and has good stirring effect.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A stirring device, comprising:

a stirring shaft;

the stirring shaft is connected with the first stirring blades through the connecting rod, the first stirring blades are distributed up and down along the axial direction of the stirring shaft, the slurry facing surface of the first stirring blades on the upper layer inclines downwards along the rotating direction, and the slurry facing surface of the first stirring blades on the lower layer inclines upwards along the rotating direction.

2. The mixing apparatus of claim 1, wherein at least two of said first mixing vanes are spaced radially from said mixing shaft by different distances.

3. The stirring device of claim 2, wherein at least two of said first stirring vanes partially overlap in a radial direction.

4. The stirring device of claim 1, wherein at least two of said first stirring vanes are uniformly distributed along the circumferential direction of said stirring shaft.

5. The stirring device as set forth in claim 1, wherein a plurality of said first stirring vanes are different in height from each other.

6. The stirring apparatus as recited in claim 1, wherein the paddle-facing surface of the first stirring blade positioned highest is inclined downward in the rotational direction, and the paddle-facing surfaces of the remaining first stirring blades are inclined upward in the rotational direction.

7. The stirring device of claim 1, wherein said connecting rod comprises a radial extension and an axial extension, said radial extension having one end connected to said stirring shaft, said axial extension extending from top to bottom, said axial extension having one end connected to said radial extension, said axial extension having the other end connected to said first stirring blade.

8. The blending apparatus of claim 1, further comprising:

the stirring device is arranged in the stirring barrel;

and the driving device is in transmission connection with the stirring shaft.

9. The stirring device of claim 8, wherein the first stirring blade is connected with a rubber pad, and the rubber pad is in contact with the inner wall of the stirring barrel.

10. The stirring device according to claim 1, wherein the stirring device comprises a stirring barrel including a straight barrel portion located above and a tapered barrel portion located below, the first stirring blade and the link rod being located in the straight barrel portion, the stirring device further comprising:

and the second stirring blade is arranged at the lower end of the stirring shaft and is positioned in the cone cylinder part.