Magnetic head easy to clean based on magnetic suspension stirrer

By designing a tank isolation sleeve, isolation sleeve stator bearing, magnetic head rotor bearing, and vertical and horizontal groove structures in the magnetic levitation stirrer, the problems of bearing damage and cleaning difficulties caused by materials entering the bearing gaps are solved, enabling smooth cleaning and a long service life of the device, thus ensuring the quality of medicines.

CN223587016UActive Publication Date: 2025-11-25NANJING JINRI LIGHT IND TECH DEV
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Patent Information

Application Number
CN202423075640.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-11-25
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

When a magnetic levitation stirrer rotates at high speed, materials can easily enter the gap between the stator bearing and the rotor bearing, causing bearing damage and making cleaning difficult. This can easily lead to secondary contamination of the materials and affect the quality of drug production.

Method used

A magnetic head was designed, including a tank isolation sleeve, an isolation sleeve stator bearing, a magnetic head rotor bearing, and vertical and horizontal groove structures. Bosses and sealing rings made of different materials are used to discharge liquid through the vertical and horizontal grooves, reducing wear and ensuring smooth cleaning.

Benefits of technology

This enabled rapid discharge of the liquid material, reduced bearing wear, increased the service life of the equipment, and ensured the pass rate of drug production.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223587016U_ABST
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Abstract

According to the technical scheme, the magnetic head convenient to clean based on the magnetic suspension stirrer comprises a tank body isolation sleeve and a shell, an isolation sleeve stator bearing is installed on a supporting shaft of the tank body isolation sleeve, a pressing cap used for pressing and fixing the isolation sleeve stator bearing is arranged on the tank body isolation sleeve in a threaded mode, and the shell is provided with a magnetic suspension stirrer. The shell is rotationally arranged on the outer side of the tank body isolation sleeve through magnetic force, a magnetic head rotor bearing rotationally connected with the isolation sleeve stator bearing is arranged in the shell, and a vertical groove penetrating through the upper end face and the lower end face of the magnetic head rotor bearing is formed in the inner wall of the magnetic head rotor bearing. And a transverse groove communicated with the vertical groove is formed in the upper end surface of the magnetic head rotor bearing. Infiltrated feed liquid is discharged through the vertical grooves and can be washed clean, and the feed liquid on the end face can be conveyed into the vertical grooves in the inner wall through the transverse grooves, so that the effect of discharging the liquid as soon as possible is achieved, smooth cleaning work is guaranteed, and the qualified rate of medicine production is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to magnetic suspension stirrer technical field, specifically be a kind of based on magnetic suspension stirrer conducive to cleaning's magnetic head. BACKGROUND

[0002] The working state of magnetic suspension stirrer is that fixed stator shaft sleeve is separated from rotor bearing in suspension state about 0.5mm.The cooperation between stator shaft sleeve and rotating magnetic head rotor bearing is relatively precise, and the material thereof uses SICC which is relatively resistant to friction and meets the GMP sanitary standard requirements.

[0003] However, when high-speed magnetic head rotates at high speed, materials will be brought into the gap between the two closely cooperating SICC bearings along with high-speed rotating magnetic head, which will cause damage to the two cooperating bearings on the one hand, and it is very difficult to clean thoroughly due to the small gap between the two bearings, which can easily cause secondary pollution of materials, resulting in serious consequences for pharmaceutical production. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a magnetic head conducive to cleaning based on a magnetic suspension stirrer.

[0005] In order to achieve the above-mentioned purpose, the utility model is the technical scheme as follows:

[0006] A magnetic head conducive to cleaning based on a magnetic suspension stirrer, comprising a tank body isolation sleeve and a shell, a isolation sleeve stator bearing is installed on the support shaft of the tank body isolation sleeve, and a pressure cap for pressing the isolation sleeve stator bearing is threadedly arranged on the tank body isolation sleeve, the shell is arranged outside the tank body isolation sleeve by magnetic force rotation, a magnetic head rotor bearing is arranged in the shell and is rotationally connected with the isolation sleeve stator bearing, and a vertical groove is formed in the inner wall of the magnetic head rotor bearing and penetrates the upper end surface and the lower end surface of the magnetic head rotor bearing.

[0007] Preferably, a horizontal groove is formed in the upper end surface of the magnetic head rotor bearing and communicates with the vertical groove.

[0008] Preferably, the vertical groove and the horizontal groove are both arranged as two sharp edge inverted blunt and semicircular arc-shaped notches.

[0009] Preferably, a boss is arranged at the bottom of the isolation sleeve stator bearing, the boss is arranged as a platform made of SICC material, and the tank body isolation sleeve is made of stainless steel material.

[0010] Preferably, the upper end of the magnetic head rotor bearing protrudes from the upper end of the isolation sleeve stator bearing, and there is a gap between the lower end of the magnetic head rotor bearing and the boss.

[0011] Preferably, the pressing cap is provided with a circumferential groove, and the groove is provided with an O-shaped sealing ring made of soft material.

[0012] Preferably, the outer diameter of the pressing cap is not greater than the inner diameter of the magnetic head rotor bearing.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1、 the utility model discloses a vertical groove can remove the liquid that seeps and can be washed clean, and the horizontal groove can transport the liquid on the end surface to the inner wall vertical groove, so that the liquid is removed as soon as possible, thereby guaranteeing the smooth progress of the cleaning work, and further guaranteeing the qualified rate of medicine production.

[0015] 2、 the utility model discloses the boss made of SICC material and the tank body isolation sleeve made of stainless steel material, adopt two different materials to reduce mutual abrasion, and the two sharp edge inverted blunt vertical grooves and horizontal grooves that are semicircular arc can reduce abrasion, thereby improving the service life of the device. BRIEF DESCRIPTION OF DRAWINGS

[0016] The disclosure of the utility model will be explained with reference to the drawings. It should be appreciated that the drawings are only for illustrative purposes, and are not intended to limit the protection scope of the utility model. In the drawings, the same reference signs are used to refer to the same parts. Among them:

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the structure schematic diagram of the isolation sleeve stator bearing of the utility model;

[0019] Figure 3 It is the sectional view of the magnetic head rotor bearing of the utility model;

[0020] Figure 4 It is the top view of the magnetic head rotor bearing of the utility model.

[0021] Marked in the drawing: 1, tank body isolation sleeve;2, isolation sleeve stator bearing;

[0022] 3, magnetic head rotor bearing;4, sealing ring;5, pressing cap;6, shell;7, boss;8, vertical groove;9, horizontal groove. DETAILED DESCRIPTION

[0023] It is easy to understand that according to the technical scheme of the utility model, a plurality of structure modes and implementation modes which can be replaced with each other can be proposed by the general skilled in the art without changing the essential spirit of the utility model. Therefore, the following specific embodiments and drawings are only exemplary description of the technical scheme of the utility model, and should not be regarded as the whole or regarded as the limitation or restriction of the technical scheme of the utility model.

[0024] As shown in Figure 1 , as a kind of based on the magnetic suspension stirrer of the utility model is conducive to the magnetic head of cleaning, including tank body isolation sleeve 1, the tank body isolation sleeve 1 is set to the isolation sleeve made of stainless steel material, isolation sleeve stator bearing 2 is installed on the support shaft of tank body isolation sleeve 1, and isolation sleeve stator bearing 2 cannot rotate by the threaded cap 5 and the threaded stud on the tank body isolation sleeve 1 are connected, and press the isolation sleeve stator bearing 2, the circumferential groove is opened in the threaded cap 5, and the O-shaped sealing ring 4 of soft material is arranged in the groove, to ensure the sealing property, the outer diameter of threaded cap 5 is not greater than the inner diameter of magnetic head rotor bearing 3, to avoid the threaded cap 5 affecting the rotation of magnetic head, as shown in Figure 2 , isolation sleeve stator bearing 2 bottom is provided with boss 7, and boss 7 is set to the platform made of SICC material, the contact surface of boss 7 and the tank body isolation sleeve 1 made of stainless steel material is matched, the mutual abrasion is reduced by using two different materials.

[0025] The shell 6 is provided with the magnetic head rotor bearing 3 rotatably connected with isolation sleeve stator bearing 2 on the outside of tank body isolation sleeve 1, as shown in Figure 3 , the inner wall of magnetic head rotor bearing 3 is provided with vertical groove 8 penetrating the upper end surface and the lower end surface of magnetic head rotor bearing 3, and as shown in Figure 4 , the upper end surface of magnetic head rotor bearing 3 is provided with horizontal groove 9 communicated with vertical groove 8, the infiltrated liquid is discharged and can be washed clean through vertical groove 8, the liquid on the end surface can be transported into the inner wall vertical groove 8 through horizontal groove 9, so as to achieve the effect of discharging liquid as soon as possible, to ensure the smooth progress of cleaning work, and further ensure the qualified rate of drug production, the vertical groove 8 and horizontal groove 9 are both provided with two sharp edge inverted blunt and semicircular arc-shaped slots, so that the abrasion of the two bearings can be reduced in high-speed rotation, the upper end of magnetic head rotor bearing 3 protrudes from the upper end of isolation sleeve stator bearing 2, and there is a gap between the lower end of magnetic head rotor bearing 3 and boss 7, to reduce the contact area and thus reduce the abrasion.

[0026] The technical scope of the utility model is not limited to the content in the above description, and the skilled in the art can make various deformations and modifications to the above embodiments without departing from the technical thought of the utility model, and these deformations and modifications should all be within the protection scope of the utility model.

Claims

1. A magnetic head for facilitating cleaning of a magnetic levitation stirrer, characterized by: The application relates to a magnetic head rotating device, which comprises a can body isolating sleeve (1) and a shell (6), the supporting shaft of the can body isolating sleeve (1) is provided with an isolating sleeve stator bearing (2), a press cap (5) for pressing the isolating sleeve stator bearing (2) is arranged on the can body isolating sleeve (1) in a threaded mode, the shell (6) is arranged outside the can body isolating sleeve (1) in a magnetic rotating mode, the shell (6) is provided with a magnetic head rotor bearing (3) which is rotationally connected with the isolating sleeve stator bearing (2), and a vertical groove (8) is arranged in the inner wall of the magnetic head rotor bearing (3) and penetrates the upper end surface and the lower end surface of the magnetic head rotor bearing (3).

2. The magnetic head for facilitating cleaning of a magnetic levitation stirrer according to claim 1, characterized in that: The upper end surface of the magnetic head rotor bearing (3) is provided with a horizontal groove (9) which is communicated with the vertical groove (8).

3. A magnetic head for facilitating cleaning of a magnetic levitation stirrer according to claim 2, characterized in that: The vertical groove (8) and the horizontal groove (9) are both provided with two acute edge inverted blunt semicircular arc-shaped notches.

4. The magnetic head for facilitating cleaning of a magnetic levitation stirrer according to claim 1, characterized in that: The bottom of the isolating sleeve stator bearing (2) is provided with a boss (7), the boss (7) is provided with a table made of SICC material, and the can body isolating sleeve (1) is made of stainless steel.

5. A magnetic head for facilitating cleaning of a magnetic levitation stirrer according to claim 4, characterized in that: The upper end of the magnetic head rotor bearing (3) protrudes from the upper end of the isolating sleeve stator bearing (2), and a gap exists between the lower end of the magnetic head rotor bearing (3) and the boss (7).

6. The magnetic head for facilitating cleaning of a magnetic levitation stirrer according to claim 1, characterized in that: A circumferential groove is arranged on the press cap (5), and a soft O-shaped sealing ring (4) is arranged in the groove.

7. A magnetic head for facilitating cleaning of a magnetic levitation stirrer according to claim 6, characterized in that: The outer diameter of the press cap (5) is not greater than the inner diameter of the magnetic head rotor bearing (3).