CN115715951A

CN115715951A - Sanitary-grade dry-wet magnetic suspension stirrer

Info

Publication number: CN115715951A
Application number: CN202211569254.6A
Authority: CN
Inventors: 王兵兵; 艾小宁; 黄琴
Original assignee: Leyun Biotechnology Nantong Co ltd
Current assignee: Leyun Biotechnology Nantong Co ltd
Priority date: 2022-03-08
Filing date: 2022-12-08
Publication date: 2023-02-28
Also published as: CN114471305A

Abstract

The invention discloses a sanitary-grade magnetic suspension mixer for dry and wet use, wherein a driven wheel is sleeved outside a driving head, the other end of a main shaft is connected with a power mechanism, the driven wheel is provided with a first accommodating space, the driving head is provided with a second accommodating space, the first accommodating space and the second accommodating space are respectively provided with a plurality of layers of magnetic steels which are arranged in a circle and have different polarities, and the polarities of the magnetic steels are opposite in the axial direction and the radial direction. This magnetic suspension mixer sets up through a plurality of magnet steel polarity intervals and realizes the magnetic suspension, compares with traditional mixer, and not only the material is kept apart to the physics, realizes zero pollution, has eliminated axial friction than traditional magnetic stirring's advantage moreover, the useless frictional consumption of significantly reducing and the problem that produces foreign matter pollution reaction solution because of the friction. Simultaneously, this magnetic suspension mixer can run futilely, need not the heat dissipation, can be used to multiple powder stirring, and it belongs to health level mixer, supports online cleaning and quick replacement axle sleeve.

Description

Sanitary-grade dry-wet magnetic suspension stirrer

Technical Field

The invention relates to the field of transmission devices, in particular to a sanitary-grade magnetic suspension stirrer for dry and wet purposes.

Background

The conventional magnetic stirrer has the following defects: the end face of the positioning bearing generates abrasion to pollute reaction solution, and the positioning bearing and the shaft sleeve are in surface-to-surface contact friction impact and are easy to damage.

Disclosure of Invention

The present invention aims to provide a sanitary magnetic suspension mixer for wet and dry use, which solves one or more of the above-mentioned problems of the prior art.

The invention relates to a sanitary-grade magnetic suspension stirrer for dry and wet use, which comprises: dispose in driving head, the cover in the container is located driving head outside follow driving wheel, dispose in from driving wheel with from driving wheel between the driving head spacer sleeve, with from driving wheel integrated into one piece's paddle and with the main shaft that the driving head is connected, locate from the driving wheel cover the outside of driving head, the main shaft other end is connected with power unit, be equipped with first accommodation space from the driving wheel, the driving head is equipped with the second accommodation space, first accommodation space and second accommodation space are provided with respectively and are the circle and arrange multilayer polarity spaced magnet steel, the magnet steel is all opposite at axial and radial direction polarity.

In some embodiments, the power mechanism is an electric motor.

In some embodiments, an inner ceramic sleeve is sleeved on the isolation sleeve, and the inner ceramic sleeve and the driving head are fixed through bolts.

In some embodiments, the blade includes an annular member and blades circumferentially arranged on the annular member at equal intervals, an inner side wall of the annular member is provided with an outer ceramic sleeve, the outer ceramic sleeve is sleeved on the inner ceramic sleeve, and the outer ceramic sleeve and the annular member are fixed through a nut.

In some embodiments, the first accommodating space and the second accommodating space are respectively provided with 3 layers of magnetic steels with polar intervals, the polarities of the magnetic steels are opposite in the axial direction and the radial direction, wherein the coupling force of the magnetic steels is greater than the gravity of the paddle and the resultant force of the paddle rotation reverse thrust, and the coupling force of the magnetic steels arranged on the bottom layer is used as the driving force of the paddle rotation.

In some embodiments, the number of the magnetic steels in each layer is an even number, and preferably, the number of the magnetic steels in each layer is 6 or 8.

Has the advantages that:

the utility model provides a magnetic suspension mixer realizes the magnetic suspension through a plurality of magnet steel polarity intervals setting, compare with traditional mixer, not only the material is kept apart to the physics, realize zero pollution, and the advantage than traditional magnetic stirring is eliminated the axial friction, set up in the gravity of the two-layer interior outer magnet steel magnetic force coupling power more than or equal to paddle in top and the resultant force of the rotatory thrust of paddle, can guarantee the suspension of paddle, set up in the two-layer interior outer magnet steel height of top and twist magnet and thin, thereby control the surplus that wanders around that suspends, set up in the interior outer magnet steel magnetic force coupling power of bottom can provide the required magnetic force of moment of torsion, thereby can drive the outer magnet and rotate when guaranteeing that the inner magnet steel is rotatory, power transmission's stability and reliability have been guaranteed, the useless power consumption of significantly reducing and the problem that produces foreign matter pollution reaction solution because of friction.

Simultaneously, this magnetic suspension mixer can run futilely, need not the heat dissipation, can be used to multiple powder stirring, and it belongs to health level mixer, supports online cleaning and quick replacement axle sleeve.

Drawings

FIG. 1 is a schematic structural diagram of a sanitary-grade magnetic suspension mixer for wet and dry use according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a sanitary-grade wet and dry magnetic suspension mixer according to an embodiment of the present invention;

fig. 3 is an exploded view of a sanitary magnetic suspension mixer for wet and dry use according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-3:

a sanitary-grade magnetic suspension stirrer for dry and wet use comprises: the driving device comprises a driving head 30 arranged in a container 10, a driven wheel 20 sleeved outside the driving head 30, an isolation sleeve 40 arranged between the driven wheel 20 and the driving head 30, a paddle integrally formed with the driven wheel 20 and a main shaft 60 connected with the driving head 30, wherein the driven wheel 20 is sleeved outside the driving head 30, the other end of the main shaft 60 is connected with a power mechanism 61, the power mechanism 61 is a motor, an inner ceramic sleeve 53 is sleeved on the isolation sleeve 40, the inner ceramic sleeve 53 and the isolation sleeve 40 are fixed through a bolt 51, the paddle comprises an annular component 54 and blades 50 annularly arranged on the annular component 54 at equal intervals, an outer ceramic sleeve 52 is arranged on the inner side wall of the annular component 54, the outer ceramic sleeve 52 is sleeved on the inner ceramic sleeve 53, and the outer ceramic sleeve 52 and the annular component 54 are fixed through a nut 55;

the driven wheel 20 is provided with a first accommodating space, the driving head 30 is provided with a second accommodating space, the first accommodating space is provided with 3 layers of external magnetic steels 21 with polar intervals, the second accommodating space is respectively provided with 3 layers of internal magnetic steels 31 with polar intervals, the number of the internal magnetic steels 31 and the external magnetic steels 21 in each layer is 4, the polarities of the internal magnetic steels and the external magnetic steels in the axial direction and the radial direction are opposite, wherein the coupling force of the internal magnetic steels and the external magnetic steels in the upper layer is larger than or equal to the resultant force of the gravity of the paddle and the reverse thrust of the rotation of the paddle, and the coupling force of the internal magnetic steels and the external magnetic steels arranged at the bottom layer is used as the driving force of the rotation of the paddle.

The suspension of the paddle can be guaranteed by the resultant force of the gravity of the paddle and the rotating counter-thrust of the paddle, the inner magnetic steel and the outer magnetic steel which are arranged on the two layers of the upper portion are larger than or equal to the height of the paddle, the height of the inner magnetic steel and the height of the outer magnetic steel which are arranged on the two layers of the upper portion are thinner than that of the twisting magnet, the balance of the suspension is controlled to move up and down, the magnetic coupling force of the inner magnetic steel and the outer magnetic steel which are arranged on the bottom layer can provide magnetic force required by torque, the inner magnetic steel can be driven to rotate when the inner magnetic steel is ensured to rotate, and the stability and the reliability of power transmission are guaranteed.

The paddle 50 is fixed on the isolation sleeve 40 through the bolt 51, so that the designed structure is simple and reliable, the installation is convenient, and the practicability and the use convenience are improved.

The magnetic suspension stirrer of the embodiment of the invention realizes magnetic suspension by arranging the plurality of magnetic steel poles at intervals, compared with the traditional stirrer, the magnetic suspension stirrer not only physically isolates materials and realizes zero pollution, but also has the advantages of eliminating axial friction, greatly reducing the power consumption of useless friction and the problem that foreign matters generated by friction pollute reaction solution.

Simultaneously, this magnetic suspension mixer can dry run, need not the heat dissipation, can be used to multiple powder stirring, and it belongs to sanitary-grade mixer, supports online cleaning and quick replacement axle sleeve.

The foregoing is only a preferred form of the invention and it should be noted that it will be apparent to those skilled in the art that several similar variations and modifications can be made without departing from the inventive concept and these should be considered within the scope of the present invention.

Claims

1. A sanitary-grade magnetic suspension stirrer for dry and wet use is characterized by comprising: dispose in driving head (30) in container (10), the cover is located driving head (30) outside from driving wheel (20), dispose in from driving wheel (20) with spacer sleeve (40) between driving head (30), with from driving wheel (20) integrated into one piece's paddle and with main shaft (60) that driving head (30) are connected, from driving wheel (20) cover to be located the outside of driving head (30), main shaft (60) other end is connected with power unit (61), from driving wheel (20) being equipped with first accommodation space, driving head (30) are equipped with the second accommodation space, first accommodation space and second accommodation space are provided with respectively and are the circle and arrange multilayer polarity spaced magnet steel, the magnet steel is all opposite in axial and radial direction polarity.

2. The sanitary magnetic suspension mixer for dry and wet use according to claim 1, wherein the power mechanism (61) is a motor.

3. The sanitary magnetic suspension mixer for dry and wet use according to claim 1, wherein the isolation sleeve (40) is sleeved with an inner ceramic sleeve (53), and the inner ceramic sleeve (53) and the isolation sleeve (40) are fixed through a bolt (51).

4. The sanitary-grade magnetic suspension mixer for dry and wet use according to claim 3, wherein the paddle comprises an annular member (54) and blades (50) annularly and equidistantly arranged on the annular member (54), an outer ceramic sleeve (52) is arranged on the inner side wall of the annular member (54), the outer ceramic sleeve (52) is sleeved on the inner ceramic sleeve (53), and the outer ceramic sleeve (52) and the annular member (54) are fixed through a nut (55).

5. The sanitary-grade magnetic suspension mixer for dry and wet use according to claim 1, wherein the first accommodating space and the second accommodating space are respectively provided with 3 layers of magnetic steels with polarity intervals, the polarities of the magnetic steels in the axial direction and the radial direction are opposite, wherein the coupling force of the magnetic steels in the upper two layers is greater than or equal to the resultant force of the gravity of the blades and the rotating reverse thrust of the blades, and the coupling force of the magnetic steels in the bottom layer is used as the driving force of the rotation of the blades.

6. A sanitary-grade magnetic suspension mixer for wet and dry use as claimed in claim 5, wherein the number of magnetic steel in each layer is even, preferably 6 or 8.