CN218166662U - Liquid stirring device - Google Patents

Abstract

The utility model relates to the field of liquid stirring, in particular to a liquid stirring device, which comprises a motor, a cover body, a left planet wheel and a right planet wheel; a central gear is coaxially arranged on an output shaft of the motor, and the left planetary gear and the right planetary gear are simultaneously meshed with the central gear and the inner gear ring; the lower end part of the inner gear ring is in butt joint connection with the outer edge of the annular closed part, the inner edge of the closed part extends downwards to be provided with an outer shaft part, and the lower end part of the outer shaft part is provided with a first stirring paddle; the lower end of the central shaft of the central gear coaxially extends to form an inner shaft part, the inner shaft part sequentially and movably penetrates through the central holes of the closed part and the outer shaft part, and a second stirring paddle is arranged at the lower end part of the inner shaft part extending out of the outer shaft part. The utility model discloses a method of physics relative velocity is applied to the dissolving speed of solute and solution with the velocity relativity theory. The utility model discloses an increase the velocity of flow of solution to increase the area of contact of solute and solution, reach and accelerate the solution rate.

Description

Liquid stirring device

Technical Field

The utility model relates to a liquid stirring field specifically is a liquid stirring device.

Background

In the industrial production operation process, high-concentration liquid needs to be prepared, a stirrer of the existing equipment is shown in fig. 1, the flow velocity of water flow near an impeller 101 of the stirrer is V10, the flow velocity of an adjacent layer is V11, and the flow velocity of a liquid surface layer is V12; wherein V10> V11> V12; V10-V11=Δv, Δ V is the difference between the flow velocity of the water flow near the impeller 101 and the flow velocity of the water flow near the adjacent layer, Δ V is the horizontal area of the agitation tank 102, and Δ V can be considered as the contact area of the solute and the solution. With a constant horizontal area of the agitation tank 102, the greater Δ V, the faster the solute dissolves in the solution.

However, in the actual production process, the volumes of the used tank and the spare tank are small, and the solution in the spare tank is not enough in solubility and is used in a hurry within a limited time, so that the quality of the produced product is unstable.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the problem that the liquid solubility can't satisfy operation requirement in limited time, provide a liquid stirring device.

The utility model discloses a through following technical scheme: a liquid stirring device comprises a motor, a cover body, a left planet wheel and a right planet wheel;

the shell of the motor is arranged on the cover part of the cover body, a central gear is coaxially arranged on an output shaft of the motor, and the left planetary gear and the right planetary gear are simultaneously meshed with the central gear and the inner gear ring; the lower end part of the inner gear ring is in butt joint connection with the outer edge of the annular closed part, the inner edge of the closed part extends downwards to be provided with an outer shaft part, and the lower end part of the outer shaft part is provided with a first stirring paddle;

the coaxial extension of sun gear's center pin lower extreme is provided with interior axial region, interior axial region activity in proper order passes the centre bore of closing part and outer axial region, and the interior axial region lower extreme that stretches out the outer axial region is provided with the second stirring rake, have the interval between first stirring rake and the second stirring rake.

As the utility model discloses technical scheme's further improvement, be provided with the bearing dish on the up end of left side capable star gear and right capable star gear jointly, the cooperation is supported in the common activity of the up end of the lower bearing portion of bearing dish and left side capable star gear and right capable star gear, the cooperation is supported in the activity of taking the circle that the upper bearing portion of bearing dish and the upper end of ring gear extended the setting inwards.

As a further improvement of the technical solution of the present invention, the shaft portions of the left planetary gear and the right planetary gear are respectively mounted on the cover portion of the lid body.

As the utility model discloses technical scheme's further improvement, the ring portion of lid and the last reason butt joint of agitator tank.

As a further improvement of the technical scheme of the utility model, first stirring rake and second stirring rake are the level setting.

Liquid stirring device, compared with the prior art, has following beneficial effect:

the utility model discloses a method of physics relative velocity is applied to the velocity relativistic in the dissolution rate of solute and solution. On the basis of the prior art, the utility model increases the contact area between the solute and the solution by increasing the flow rate of the solution, thereby achieving the purpose of accelerating the dissolution speed; the utility model discloses a mechanical gear drive realizes the design requirement of bigger relative speed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a stirrer of the prior art.

Fig. 2 is a schematic structural view of the liquid stirring apparatus of the present invention.

Fig. 3 is a schematic diagram of the left planetary gear and the right planetary gear, the central gear and the inner gear ring.

In the figure: 101-impeller, 102-stirring tank, 2-motor, 3-cover body, 4-central gear, 5-left planetary gear, 6-right planetary gear, 7-inner gear ring, 8-sealing part, 9-outer shaft part, 10-first stirring paddle, 11-inner shaft part, 12-second stirring paddle, 13-bearing disc and 14-lap ring.

Detailed Description

The technical solutions of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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 according to specific situations by those of ordinary skill in the art.

As shown in fig. 2 and 3, the utility model provides a specific embodiment of a liquid stirring device, which comprises a motor 2, a cover body 3, a left planetary gear 5 and a right planetary gear 6;

the shell of the motor 2 is arranged on the cover part of the cover body 3, the output shaft of the motor 2 is coaxially provided with a central gear 4, and the left planetary gear 5 and the right planetary gear 6 are both meshed with the central gear 4 and the inner gear ring 7 simultaneously; the lower end part of the inner gear ring 7 is in butt joint connection with the outer edge of an annular closed part 8, the inner edge of the closed part 8 extends downwards to form an outer shaft part 9, and the lower end part of the outer shaft part 9 is provided with a first stirring paddle 10;

an inner shaft part 11 is coaxially arranged at the lower end of the central shaft of the central gear 4 in an extending mode, the inner shaft part 11 sequentially penetrates through center holes of the sealing part 8 and the outer shaft part 9 in a moving mode, a second stirring paddle 12 is arranged at the lower end of the inner shaft part 11 extending out of the outer shaft part 9, and a distance is reserved between the first stirring paddle 10 and the second stirring paddle 12.

As shown in fig. 3, when the motor 2 controls the sun gear 4 to rotate clockwise, the left planetary gear 5 and the right planetary gear 6 engaged with the sun gear 4 rotate counterclockwise, the ring gear 7 engaged with the left planetary gear 5 and the right planetary gear 6 also rotate counterclockwise, the inner shaft portion 11 and the second paddle 12 coaxial with the sun gear 4 rotate in the same direction as the sun gear 4 (clockwise rotation), and the ring gear 7 controls the first paddle 10 to rotate counterclockwise through the closing portion 8 and the outer shaft portion 9.

In this embodiment, the rotation directions of the first stirring paddle 10 and the second stirring paddle 12 are opposite, and when the rotation speed of the motor 2 is constant, the flow velocity of the water near the second stirring paddle 12 is V20, the flow velocity of the water near the first stirring paddle 10 is V22, and the flow velocity of the liquid surface layer is V21.

In the present embodiment, V22= -V20 × n0/n3, where n0 is the number of teeth of the sun gear 4 and n3 is the number of teeth of the ring gear; Δ V' = V20-V21= V20 (1 + n0/n 3). Under the condition that the rotating speed of the motor 2 is constant, the delta V' is larger than the delta V, so compared with the prior art, the liquid stirring device provided by the embodiment can better dissolve the solute.

In this embodiment, in order to make the inner ring gear 7 engaged with the left planetary gear 5 and the right planetary gear 6 rotate more smoothly, a bearing disc 13 is arranged on the upper end surfaces of the left planetary gear 5 and the right planetary gear 6 together, a lower bearing portion of the bearing disc 13 is in movable supporting fit with the upper end surfaces of the left planetary gear 5 and the right planetary gear 6 together, and an upper bearing portion of the bearing disc 13 is in movable supporting fit with a lap ring 14 arranged on the upper end portion of the inner ring gear 7 in an inward extending manner. The lower end face of the ring gear 14 is in supporting fit with the upper bearing portion of the bearing disc 13, and when the left planetary wheel 5 and the right planetary wheel 6 rotate anticlockwise, the ring gear 14 and the inner gear ring 7 can rotate anticlockwise relative to the left planetary wheel 5 and the right planetary wheel 6.

In the present embodiment, it is preferable that the loop 14 and the ring gear 7 are integrally formed.

As shown in fig. 2, the shaft portions of the left and right planetary gears 5 and 6 are attached to the lid portions of the lid body 3.

In practical applications, in order to facilitate the use of the liquid stirring apparatus of the present embodiment, the ring portion of the cover 3 is connected to the upper edge of the stirring tank 102 in a butt joint manner.

In a specific application, as shown in fig. 2, the first stirring paddle 10 and the second stirring paddle 12 are horizontally disposed.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (5)

1. A liquid stirring device comprises a motor (2), and is characterized by further comprising a cover body (3), a left planet wheel (5) and a right planet wheel (6);

the shell of the motor (2) is mounted on the cover part of the cover body (3), a central gear (4) is coaxially arranged on an output shaft of the motor (2), and the left planetary gear (5) and the right planetary gear (6) are simultaneously meshed with the central gear (4) and the inner gear ring (7); the lower end part of the inner gear ring (7) is in butt joint connection with the outer edge of the annular closed part (8), the inner edge of the closed part (8) extends downwards to form an outer shaft part (9), and the lower end part of the outer shaft part (9) is provided with a first stirring paddle (10);

the coaxial extension of the center pin lower extreme of sun gear (4) is provided with interior axial region (11), interior axial region (11) activity in proper order passes the centre bore of closing part (8) and outer axial region (9), and interior axial region (11) lower tip that stretches out outer axial region (9) is provided with second stirring rake (12), have the interval between first stirring rake (10) and second stirring rake (12).

2. The liquid stirring device as claimed in claim 1, wherein the upper end faces of the left planetary gear (5) and the right planetary gear (6) are jointly provided with a bearing disc (13), the lower bearing portion of the bearing disc (13) is movably supported and matched with the upper end faces of the left planetary gear (5) and the right planetary gear (6), and the upper bearing portion of the bearing disc (13) is movably supported and matched with a lap ring (14) which is arranged on the upper end portion of the inner gear ring (7) and extends inwards.

3. A liquid stirring device as claimed in claim 1, characterised in that the shaft parts of the left and right planetary gears (5, 6) are mounted on respective cap parts of the cap body (3).

4. A liquid stirring device as claimed in claim 1, characterised in that the ring part of the cover body (3) is in butt joint with the upper edge of the stirring tank (102).

5. A liquid stirring device as claimed in claim 1, characterised in that said first (10) and second (12) stirring paddles are horizontally arranged.

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