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CN-224207805-U - Stirring device

CN224207805UCN 224207805 UCN224207805 UCN 224207805UCN-224207805-U

Abstract

The utility model relates to the technical field of stirring equipment, in particular to a stirring device. The high-viscosity liquid mixing device comprises a barrel body with an opening at the upper end and provided with a containing cavity, a top cover, a stirring assembly and a driving motor, wherein the top cover is arranged at the opening of the barrel body in a covering manner, the stirring assembly is arranged in the containing cavity in a centering manner and used for stirring liquid, the driving motor is arranged on the top cover and comprises a rotating shaft, an outer rotor, an inner stator and an outer cover shell, the inner stator is arranged on the top cover and sleeved on the rotating shaft, the rotating shaft extends to the containing cavity, the outer rotor is arranged on the outer side of the inner stator, the outer cover shell is covered with the two sealing parts, one end of the rotating shaft is connected with the outer rotor, a stirring shaft of the stirring assembly is connected with the other end of the rotating shaft, the outer rotor type driving motor is used for directly driving the compact structure of the stirring assembly, the stator supporting structure, the heat dissipation performance and the stirring blade layout are optimized, high-efficiency mixing of high-viscosity liquid is realized, the running stability is improved, and the service life of the device is prolonged.

Inventors

  • DAI MINGZHI
  • ZHANG WEIHAO

Assignees

  • 苏州世必达机电科技有限公司

Dates

Publication Date
20260508
Application Date
20250530

Claims (10)

  1. 1. A stirring device is characterized by comprising: a barrel body (1) with an opening at the upper end, wherein a containing cavity (10) is arranged in the barrel body (1); The top cover (2) is arranged at the opening of the upper end of the barrel body (1) in a covering manner; the stirring assembly (3) is arranged in the accommodating cavity (10) in the middle, and the stirring assembly (3) is used for stirring liquid in the accommodating cavity (10); The driving motor (4), driving motor (4) is installed on top cap (2), driving motor (4) include pivot (41), external rotor (42), interior stator (43), dustcoat shell (44), interior stator (43) are installed on top cap (2), interior stator (43) cover is established on pivot (41), pivot (41) axial extension is to holding intracavity (10), external rotor (42) coaxial center sets up in interior stator (43) outside, dustcoat shell (44) sealed cowling is established in external rotor (42), interior stator (43) outside, barrel (1) one end and external rotor (42) coaxial center are kept away from to pivot (41), stirring subassembly (3) include stirring axle (31), stirring axle (31) are kept away from external rotor (42) one end with pivot (41) and are connected.
  2. 2. The stirring device according to claim 1, wherein the inner stator (43) is a hollow cylinder, the inner stator (43) comprises a containing cavity (430), an annular mounting seat (431) is arranged in the containing cavity (430) in the middle, the annular mounting seat (431) is sleeved on the rotating shaft (41), a group of connecting rods (432) are arranged on the outer side wall of the annular mounting seat (431), a group of connecting rods (432) are uniformly arranged at intervals along the circumferential direction of the annular mounting seat (431), and a group of connecting rods (432) extend onto the side wall of the containing cavity (430) along the axial direction of the connecting rods.
  3. 3. The stirring device according to claim 2, wherein the outer rotor (42) is a cylindrical shell with an axial opening, the opening of the outer rotor (42) is arranged towards the inner stator (43), the outer rotor (42) is coaxially sleeved outside the inner stator (43), a permanent magnet is arranged on the inner side wall of the outer rotor (42), and an iron core (433) is arranged on the outer side wall of the inner stator (43).
  4. 4. A stirring device according to claim 2, characterized in that a bearing (5) is arranged between the rotating shaft (41) and the annular mounting seat (431), the bearing (5) is sleeved on the rotating shaft (41), and the bearing (5) is mounted on the annular mounting seat (431).
  5. 5. The stirring device according to claim 1, wherein an extension part (434) is arranged on the outer side wall of the inner stator (43) near one end of the top cover (2), the extension part (434) extends along the radial direction of the inner stator (43), a notch part (440) corresponding to the extension part (434) is arranged on the inner side wall of the outer housing (44), the notch part (440) is used for accommodating the extension part (434), and when the extension part (434) is positioned in the notch part (440), the extension part (434) is respectively abutted against the corresponding side wall of the notch part (440) in the axial direction and the radial direction of the inner stator (43).
  6. 6. A stirring device according to claim 5, wherein a sealing member (6) is provided between the extension (434) and the outer casing (44) on the radially facing surface of the inner stator (43), and the sealing member (6) is circumferentially provided along the inner stator (43).
  7. 7. A stirring device as set forth in claim 1, characterized in that a set of cooling fins (441) is provided on the outer side wall of the outer casing (44), and a set of cooling fins (441) is arranged in a circumferential array along the outer casing (44).
  8. 8. A stirring device according to claim 1, wherein the stirring assembly (3) further comprises a plurality of stirring blades (32), the stirring blades (32) are arranged on the outer side wall of the stirring shaft (31), the stirring blades (32) are uniformly arranged at intervals along the axial direction and the circumferential direction of the stirring shaft (31), and the stirring blades (32) adjacent to each other at the upper side and the lower side are staggered.
  9. 9. The stirring device according to claim 1, further comprising a base (7), wherein a containing groove (70) is formed in the upper end of the base (7), the containing groove (70) is used for containing the barrel body (1), the base (7) comprises a group of supporting legs (71), and the supporting legs (71) are arranged at intervals along the circumferential direction of the barrel body (1).
  10. 10. A stirring device as set forth in claim 1, wherein the bottom of the tub (1) is provided with a discharge port (100), and the discharge port (100) is used for discharging the mixed liquid after stirring.

Description

Stirring device Technical Field The utility model relates to the technical field of stirring equipment, in particular to a stirring device. Background The stirring device is used as common equipment in industrial production and laboratories, is widely applied to the fields of chemical industry, food processing, pharmacy and the like, has the core function of realizing uniform liquid mixing through mechanical action, and is generally characterized in that a traditional stirring device adopts a vertical motor, is fixedly and secretly arranged at the top of a barrel body through a flange, and a motor output shaft is connected with a stirring shaft through a coupler or is connected with a side motor through a belt or gear transmission mechanism, so that the torque output is increased. However, when the conventional vertical motor or the lateral motor is adopted, the conventional inner rotor motor needs an additional transmission mechanism (such as a coupler, a reduction gearbox and the like), so that the axial size is increased, the compact design is not facilitated, the resistance is high during high-viscosity liquid stirring, and the common motor is difficult to provide enough torque to influence the stirring effect. Therefore, there is a need for a stirring device to solve the above problems. Disclosure of utility model In order to overcome the defects in the prior art, the utility model provides a stirring device, which solves the technical problems of large axial space occupation and insufficient torque of the traditional stirring device. In order to achieve the above object, the present utility model is realized by the following technical scheme: A stirring device, comprising: the barrel body with an opening at the upper end is internally provided with a containing cavity; The top cover is arranged at the opening of the upper end of the barrel body; The stirring assembly is centrally arranged in the containing cavity and is used for stirring liquid in the containing cavity; The driving motor is arranged on the top cover and comprises a rotating shaft, an outer rotor, an inner stator and an outer cover shell, wherein the inner stator is arranged on the top cover, the inner stator is sleeved on the rotating shaft, the rotating shaft axially extends into the accommodating cavity, the outer rotor is coaxially arranged on the outer side of the inner stator, the outer cover shell is hermetically covered on the outer side of the outer rotor and the outer stator, one end of the rotating shaft, which is far away from the barrel body, is connected with the outer rotor coaxially, and the stirring assembly comprises a stirring shaft, and the stirring shaft is connected with one end of the rotating shaft, which is far away from the outer rotor. Based on the structure, the stirring device has the principle that firstly, liquid to be stirred is poured into a containing cavity of a barrel body; the driving motor is started, the outer rotor coaxially rotates under the action of electromagnetic force and transmits power to the stirring assembly in the accommodating cavity through connection with the rotating shaft, the stirring assembly starts stirring the liquid, after stirring is completed, the driving device is closed, the top cover is opened to obtain the required mixed liquid, the driving motor adopts the design of the outer rotor and the inner stator, compared with the traditional inner rotor motor, the structure is compact, the axial space is saved, the driving motor is suitable for top cover installation, the outer rotor directly drives the rotating shaft, high torque output can be provided, the stirring requirement of high-resistance liquid (such as high-viscosity liquid) is met, the outer rotor and the inner stator are prevented from being invaded into the driving motor by an outer cover shell in a sealing way, the problems of corrosion, short circuit and the like are avoided, the driving motor is directly arranged on the top cover, the external transmission mechanism is omitted, the structure is compact, and the occupied space is small. Further, the stirring device comprises a hollow cylinder, wherein the inner stator comprises a containing cavity, an annular mounting seat is arranged in the containing cavity in the middle, the annular mounting seat is sleeved on a rotating shaft, a group of connecting rods are arranged on the outer side wall of the annular mounting seat, a group of connecting rods are uniformly arranged at intervals along the circumferential direction of the annular mounting seat, and a group of connecting rods extend to the side wall of the containing cavity along the axial direction of the connecting rods. As the preferable scheme of the application, the inner stator adopts a hollow cylindrical structure, the annular mounting seat and the connecting rods are arranged in the inner stator, the annular mounting seat is stably arranged in the inner stator through a group of connecting rods, a sta