CN2666542Y - Multishaft bidirectional stirring mechanism - Google Patents

Abstract

The utility model relates to a multi-axis two-way stirring mechanism, which comprises a transmission device arranged on the top of the stirring pot, a rotating shaft arranged in the stirring pot and axially connected with the transmission device, and a stirring paddle arranged on the rotating shaft; its characteristics are , the transmission device is composed of a hollow shaft driving motor and a plurality of rotating shaft driving motors overlapped on the top of the stirring pot; the rotating shaft is composed of a plurality of shafts sleeved in the hollow shaft; the upper end of the hollow shaft is connected with the main shaft of the hollow shaft driving motor; The upper ends of multiple rotating shafts are connected to the main shaft of the rotating shaft driving motor; the stirring paddles are composed of outer frame paddles and multiple sets of inner stirring paddles; the upper part of the outer frame paddles is arranged on the outer diameter of the hollow shaft; the inner stirring paddles are horizontally arranged on each rotating shaft . The utility model adopts multi-axis two-way stirring, so that the volume concentration of the stirring material in the pot is equal everywhere, improves the fineness and stability of the product, and effectively improves the productivity.

Description

Multi-axis two-way stirring mechanism

technical field

The utility model relates to a stirring mechanism, in particular to a multi-axis bidirectional stirring mechanism arranged in a stirring pot.

Background technique

At present, the mixing mechanism in the mixer widely used in industries such as daily chemical, food, medicine is a single shaft paddle type structure, see also shown in Fig. 1, the mixing mechanism 11 that is provided with in the mixer of prior art is located at Inside the pot body 12, it is axially connected with the transmission device 13 arranged on the top of the pot body 12; the stirring mechanism 11 is composed of a plurality of paddles 112 horizontally spaced on the rotating shaft 111, and vertical baffles are arranged on the four walls of the pot body 14. The paddles of the stirring mechanism 11 on the same axis can only rotate in one direction, and the running speed of this kind of mixer is slow, about 10-80 rpm; Due to the viscosity of the material and the influence of the wall surface resistance, the liquid flow produces a speed difference in the radial direction, so some mixing occurs, but the vertical direction cannot be well stirred. Vertical baffles are installed on the four walls to reduce the central flow. Vortex, and cause some axial liquid flow, in order to adapt to the stirring of the suspension containing a small amount of solids, its structure is simple, but the disadvantage is that the cleaning of the pot body is easy to have dead ends, and the uniformity of stirring the mixed liquid is poor.

Contents of the invention

The purpose of the utility model is to solve the disadvantages of poor vertical stirring, low stirring efficiency, and difficult cleaning of the pot body in the prior art mixer, and provide a method that can improve the flow state of the fluid, mix and stir efficiently, and make the pot body clean Simple multi-axis two-way stirring mechanism.

The technical scheme of the utility model is achieved in that:

A multi-axis two-way stirring mechanism, which is set in a stirring pot, the multi-axis two-way stirring mechanism includes: a transmission device arranged on the top of the stirring pot, a rotating shaft which is arranged in the stirring pot and axially connected with the transmission device, and a A stirring paddle on a rotating shaft; characterized by,

The transmission device is composed of a hollow shaft driving motor and a plurality of rotating shaft driving motors arranged overlappingly on the top of the stirring pot;

The rotating shaft is composed of a plurality of rotating shafts sequentially sleeved in the hollow shaft, and the shafts are movably connected through bearings; the upper end of the hollow shaft is connected with the main shaft of the hollow shaft driving motor through a coupling; the upper end of the plurality of rotating shafts Connect with the main shafts of multiple rotating shaft drive motors through couplings;

The stirring paddle is composed of an outer frame paddle and a plurality of paddle paddles; the upper part of the frame paddle is sleeved on the outer diameter of the hollow shaft and fastened and connected; multiple sets of paddle paddles are horizontally arranged on corresponding rotating shafts.

In the above-mentioned multi-axis two-way stirring mechanism, wherein, the transmission device is composed of a hollow shaft driving motor and a central shaft driving motor overlapped on the top of the stirring pot; The shafts are movably connected by bearings; the upper end of the hollow shaft is connected with the main shaft of the hollow shaft driving motor through a coupling; the upper end of the central shaft is connected with the main shaft of the central shaft driving motor through a coupling; the stirring paddle is composed of The outer frame paddle and the central stirring paddle are composed; the upper part of the outer frame paddle is sleeved on the outer diameter of the hollow shaft and fastened; the central stirring paddle is horizontally arranged on the central shaft.

In the above-mentioned multi-axis two-way stirring mechanism, the outer frame paddle is composed of an outer frame and a plurality of paddles arranged in parallel and spaced inside the outer frame.

In the above-mentioned multi-shaft two-way stirring mechanism, wherein, the central stirring paddle is composed of a plurality of paddles, and the paddles are spaced apart from the paddles of the outer frame paddle on the central shaft.

In the above-mentioned multi-shaft two-way stirring mechanism, wherein, the inner stirring paddle is composed of a plurality of paddles, and the paddles are spaced apart from the paddles of the outer frame paddle on the corresponding rotating shaft.

In the above-mentioned multi-axis two-way stirring mechanism, wherein, the blades of the outer frame paddle, the paddle of the inner paddle, and the paddle of the central paddle are made to form an included angle of 45° to 60° with the horizontal.

Compared with the prior art, the multi-axis two-way stirring mechanism of the utility model has the following advantages and positive effects due to the adoption of the above-mentioned technical scheme:

1. The multi-axis two-way mixing mechanism of the present invention is provided with multiple rotating shafts on the same axis as the hollow shaft, and the multiple shafts are driven by the motor and rotate in opposite directions at the same time, respectively driving the outer frame paddle and the multiple shafts. The internal stirring paddles rotate in opposite directions to reduce the central vortex of the liquid in the stirring pot and improve the stirring efficiency and mixing effect.

2. The multi-axis two-way stirring mechanism of the utility model is equipped with multiple sets of transmission mechanisms, which can drive multi-axis two-way stirring at the same time, can improve the flow state of the fluid, and can be adapted to the stirring of suspensions containing a small amount of solids, and can also be used for two kinds of Stirring of high-viscosity liquid to make the liquid evenly mixed; it can also stir the low-viscosity fluid to tear the liquid into tiny liquid masses to achieve the purpose of uniform mixing; the utility model can be used for mixing and stirring of different solid and liquid media wide.

3. Under the agitation of the multi-axis two-way agitation mechanism, the vortex generated when the fluid is agitated by paddles in different directions flows throughout the entire container with the main body, effectively preventing the circular motion of the liquid and increasing the turbulence , improve the mixing effect, thereby improving the fineness and stability of the product.

Description of drawings

Through the following description of an embodiment of the multi-axis two-way stirring mechanism of the present invention in conjunction with the accompanying drawings, the purpose, specific structural features and advantages of the present invention can be further understood. Among them, the attached figure is:

Fig. 1 is a structural schematic diagram of a stirring mechanism in the prior art.

Fig. 2 is a structural schematic diagram of the multi-axis bidirectional stirring mechanism of the present invention.

Fig. 3 is a structural schematic diagram of a biaxial bidirectional stirring mechanism of an embodiment of the present invention.

Detailed ways

See also shown in Fig. 2, multi-axis two-way stirring mechanism, it is located in stirring pot 10, and this multi-axis two-way stirring mechanism 20 comprises transmission device 21, rotating shaft 22, stirring paddle 23; Transmission device 21 is arranged on stirring pot 10 tops The rotating shaft 22 is located in the stirring pot 10 and is axially connected with the transmission device 21; the stirring paddle 23 is located on the rotating shaft 22.

The transmission device 21 is composed of a hollow shaft driving motor 211 and a plurality of rotating shaft driving motors 213 overlapped on the top of the stirring pot; the rotating shaft 22 is composed of a plurality of rotating shafts 223 sequentially sleeved in the hollow shaft 221, and the shafts are movably connected by bearings; The upper end of the hollow shaft 221 is connected to the main shaft of the hollow shaft driving motor 211 through a coupling 224; the upper ends of the plurality of rotating shafts 223 are respectively connected to the main shafts of a plurality of rotating shaft driving motors 213 through a coupling 224; The frame paddle 231 is composed of multiple sets of inner stirring paddles 233; the upper part of the outer frame paddle 231 is sheathed on the outer diameter of the hollow shaft 221 for fastening connection; multiple sets of internal stirring paddles 233 are horizontally arranged on the corresponding multiple rotating shafts 223 Outer frame paddle 231 is made of outer frame 2311 and a plurality of paddles 2312 arranged in the outer frame at parallel intervals; inner stirring paddle 233 is made up of a plurality of paddles 2331, and this paddle 2331 and the paddle 2312 of outer frame paddle 231, The paddles 2331 of the inner stirring paddle 233 are arranged at intervals on the corresponding rotating shafts 223; the included angle with the horizontal is 45° to 60°.

Seeing also shown in Fig. 3 is the embodiment of the present utility model, and in this embodiment, multi-axis two-way stirring mechanism is set as biaxial two-way stirring mechanism, and this biaxial two-way stirring mechanism is located in stirring pot 10, and this biaxial two-way stirring The mechanism 200 includes a transmission device 21, a rotating shaft 22, and a stirring paddle 23; the transmission device 21 is arranged on the top of the stirring pot 10; superior.

The transmission device 21 is composed of a hollow shaft driving motor 211 and a central shaft driving motor 212 overlapped on the top of the stirring pot; the rotating shaft 22 is formed by a hollow shaft 221 sleeved with a central shaft 222; the upper end of the hollow shaft 221 and the hollow shaft driving motor The main shaft of 211 is connected; The central shaft 222 upper end is connected with the main shaft of central shaft drive motor 212; Stirring paddle 23 is made up of outer frame paddle 231 and central stirring paddle 232; Outer frame paddle 231 is arranged in the outer frame by outer frame 2311 and parallel interval The upper part of the outer frame 2311 is sleeved on the outer diameter of the hollow shaft 221 for fastening connection; the central stirring paddle 232 is composed of a plurality of blades 2321, and the plurality of blades 2321 and the outer frame paddle 231 A plurality of paddles 2312 are spaced apart and arranged in parallel on the central axis 222; the paddles 2312 of the outer frame paddle 231 and the paddles 2321 of the central stirring paddle 232 are made at an angle of 45° to 60° with the horizontal.

The multi-axis two-way mixing mechanism of the utility model is arranged in the mixer, and its working principle is that, when the machine is turned on and running, a central shaft is set inside the hollow shaft provided on the same axis, respectively driven by the hollow shaft driving motor and the central shaft driving motor. At the same time, it rotates in the opposite direction at the same time, the hollow shaft drives the outer frame paddle to rotate, and the central shaft drives the central stirring paddle to rotate in the opposite direction. Since the paddle is processed to form 45° to 60° with the horizontal, it can be stirred in a short time to achieve The volume concentration is equal everywhere, which effectively improves the productivity.

When the multi-axis two-way stirring mechanism stirs the high-viscosity liquid, the overall fluid is in a laminar flow state. Since the hollow shaft drives the outer frame paddle to rotate, and the central shaft drives the central stirring paddle to rotate in the opposite direction, a velocity gradient is generated in the overall flow, thus forming a liquid The shear force required to disperse each other makes the two liquids evenly mixed to a certain extent.

When the multi-axis two-way stirring mechanism stirs the low-viscosity fluid, the overall flow is in a turbulent state. The turbulent flow can be regarded as the superposition of the average flow and a large number of vortex movements of different sizes and different intensities. Since the hollow shaft drives the outer frame paddle to rotate, The central shaft drives the central stirring paddle to rotate in the opposite direction. The more intense the turbulence, the smaller the size of the vortex, the greater the number, and the higher the strength, thus generating a large shear stress. Under the action of this shear stress, the liquid is torn into tiny pieces. The liquid mass, to achieve the purpose of uniform mixing.

During stirring, the fluid forms vortices when it is stirred by paddles in different directions. These vortices flow with the main body throughout the entire stirring pot, effectively preventing the circular motion of the liquid, increasing turbulence, and effectively improving the mixing effect and clearing the liquid. surface depression.

To sum up, the multi-axis two-way stirring mechanism of the utility model is applied in the stirring and emulsifying pot produced by liquid washing in the daily chemical industry and the homogeneous emulsifying machine for producing cream. Compared with the single-axis stirring mechanism, the production time can be shortened. Cycle, and improve the fineness and stability of the product.

Claims (6)

1, the two-way rabbling mechanism of a kind of multiaxis, it is located in the agitated kettle (10), and the two-way rabbling mechanism of this multiaxis (20) comprises the transmission device (21) that is arranged on agitated kettle (10) top, be located at the turning cylinder (22) that axially is connected with transmission device (21) in the agitated kettle (10), be located at the paddle (23) on the turning cylinder (22); It is characterized in that:

Described transmission device (21) is made of hollow shaft drive motors (211) and the overlapping agitated kettle top that is arranged on of a plurality of rotating shaft drive motors (213);

Described turning cylinder (22) is constituted by an active connection by bearing between each by sheathed successively a plurality of rotating shafts (223) in the hollow shaft (221); The upper end of this hollow shaft (221) is connected with the main shaft of hollow shaft drive motors (211) by shaft coupling (224); The upper end of these a plurality of rotating shafts (223) is connected with the main shaft of a plurality of rotating shaft drive motors (213) by shaft coupling (224) respectively;

Described paddle (23) is made up of paddle (233) in housing oar (231) and the many groups; The external diameter that this housing oar (231) top is set in hollow shaft (221) tightens connection; The interior paddle (233) of many groups level respectively is located in corresponding each rotating shaft (223).

2, the two-way rabbling mechanism of multiaxis according to claim 1 is characterized in that: described transmission device (21) is made of the overlapping agitated kettle top that is arranged on of hollow shaft drive motors (211) and central shaft drive motors (212); Described turning cylinder (22) is constituted by an active connection by bearing between the diaxon by sheathed central shaft (222) in the hollow shaft (221); The upper end of this hollow shaft (221) is connected with the main shaft of hollow shaft drive motors (211) by shaft coupling (224); This central shaft (222) upper end is connected with the main shaft of central shaft drive motors (212) by shaft coupling (224); Described paddle (23) is made up of housing oar (231) and center paddle (232); The external diameter that this housing oar (231) top is set in hollow shaft (221) tightens connection; This center paddle (232) level is located on the central shaft (222).

3, the two-way rabbling mechanism of multiaxis according to claim 1 is characterized in that: described housing oar (231) is made of a plurality of blades (2312) that housing (2311) and parallel interval are arranged in the housing.

4, the two-way rabbling mechanism of multiaxis according to claim 1, it is characterized in that: described center paddle (232) is made of a plurality of blades (2321), and this blade (2321) is located on the central shaft (222) separately with the blade (2312) of housing oar (231).

5, the two-way rabbling mechanism of multiaxis according to claim 1, it is characterized in that: paddle (233) is made of many groups blade (2331) in described, the blade (2312) of this blade (2331) and housing oar (231), is located in corresponding each rotating shaft (223) separately.

6, the two-way rabbling mechanism of multiaxis according to claim 1 is characterized in that: the blade (2331) of the blade (2312) of described housing oar (231), the blade (2321) of center paddle (232) and interior paddle (233) is made and 45 ° to 60 ° of horizontal sextant angles.

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