CN223321898U - Coaxial dual-speed direct drive device and mixer - Google Patents
Coaxial dual-speed direct drive device and mixerInfo
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- CN223321898U CN223321898U CN202421625834.7U CN202421625834U CN223321898U CN 223321898 U CN223321898 U CN 223321898U CN 202421625834 U CN202421625834 U CN 202421625834U CN 223321898 U CN223321898 U CN 223321898U
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- stirring
- permanent magnet
- magnet motor
- shaft
- vertical direction
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Abstract
本申请提供一种同轴双速直驱装置及搅拌机，同轴双速直驱装置包括连接架，连接架顶端设有第一永磁电机，第一永磁电机驱动端连接有沿竖直方向延伸的实心轴，连接架底端设有第二永磁电机，第二永磁电机驱动端连接有沿竖直方向延伸的空心轴，空心轴与实心轴同轴设置；通过设置沿竖直方向分布的第一永磁电机和第二永磁电机，使第一永磁电机的驱动轴贯穿第二永磁电机的驱动轴并同轴设置，相较于现有技术中使用两个异步电机配合减速机的方式，永磁电机拥有更好的能量转换效率，可单独进行使用无需配合减速机，进而使直驱装置拥有更小的体积和重量，在使用过程中具有良好的稳定性。
The present application provides a coaxial two-speed direct drive device and a mixer. The coaxial two-speed direct drive device includes a connecting frame, a first permanent magnet motor is provided at the top of the connecting frame, a driving end of the first permanent magnet motor is connected to a solid shaft extending in the vertical direction, a second permanent magnet motor is provided at the bottom of the connecting frame, a driving end of the second permanent magnet motor is connected to a hollow shaft extending in the vertical direction, and the hollow shaft and the solid shaft are coaxially arranged; by arranging the first permanent magnet motor and the second permanent magnet motor distributed in the vertical direction, the driving shaft of the first permanent magnet motor passes through the driving shaft of the second permanent magnet motor and is coaxially arranged, compared with the method of using two asynchronous motors in conjunction with a reducer in the prior art, the permanent magnet motor has better energy conversion efficiency and can be used alone without a reducer, thereby making the direct drive device have a smaller volume and weight, and has good stability during use.
Description
Technical Field
The application relates to the technical field of stirring equipment, in particular to a coaxial double-speed direct-drive device and a stirrer.
Background
Two speed mixer among the prior art adopts two asynchronous motor cooperation speed reducer to drive respectively two stirring paddles that the diameter is different to stir generally, but because speed reducer volume and weight are great, and drive arrangement sets up at the mixer top generally, probably make the mixer produce and rock when carrying out high-power stirring, current drive arrangement structure is bloated simultaneously, two asynchronous motor can't set up along same direction, an asynchronous motor sets up along vertical direction, and another asynchronous motor sets up along the horizontal direction, this just results in the asynchronous motor that sets up at stirring in-process level to make the mixer produce the skew of horizontal direction at the rotation in-process easily, there is great potential safety hazard.
Disclosure of utility model
In view of the foregoing drawbacks and deficiencies of the prior art, the present application is directed to a coaxial two-speed direct drive apparatus and blender.
In a first aspect, the present application provides a coaxial two-speed direct drive apparatus comprising:
The connecting frame is provided with a connecting groove,
The first permanent magnet motor is arranged at the top end of the connecting frame, and the driving end is connected with a solid shaft extending along the vertical direction;
The second permanent magnet motor is arranged at the bottom end of the connecting frame, the driving end of the second permanent magnet motor is connected with a hollow shaft extending along the vertical direction, and the hollow shaft and the solid shaft are coaxially arranged.
In a second aspect, the present application provides a blender comprising a coaxial two-speed direct drive apparatus as described above, further comprising:
The stirring device comprises a shell body, wherein a first space is formed in the shell body, and stirring slurry to be stirred is contained in the first space;
The first stirring mechanism is arranged in the first space and is used for stirring the to-be-stirred slurry;
the second stirring mechanism is arranged in the first space and is used for stirring the to-be-stirred slurry;
The coaxial double-speed direct-drive device is arranged at the top of the shell body, the hollow shaft penetrates through the shell body along the vertical direction and extends into the first space to be connected with the second stirring mechanism, and the solid shaft penetrates through the hollow shaft along the vertical direction and extends into the first space to be connected with the first stirring mechanism.
According to the technical scheme provided by certain embodiments of the application, the first stirring mechanism comprises a rotating shaft, one end of the rotating shaft is coaxially connected with the solid shaft, the other end of the rotating shaft extends along the vertical direction and is rotationally connected with the inner wall of the shell body, and a first stirring paddle is sleeved on the periphery of the rotating shaft.
According to the technical scheme provided by some embodiments of the present application, a connecting piece is further provided, and the solid shaft and the rotating shaft are connected through the connecting piece.
According to the technical scheme provided by certain embodiments of the application, the second stirring mechanism comprises a second stirring paddle, one end of the second stirring paddle is sleeved on the periphery of the hollow shaft, the other end of the second stirring paddle is sleeved on the solid shaft and is rotationally connected with the solid shaft, a plurality of scraping plates are distributed on the side, close to the inner wall of the shell body, of the second stirring paddle along the first direction, and the scraping plates are in contact with the inner wall of the shell body.
According to some embodiments of the present application, the rotation diameter of the first stirring paddle is smaller than the rotation diameter of the second stirring paddle.
According to the technical scheme provided by some embodiments of the present application, a first window is provided on one side of the housing body, and the first window is used for observing whether the first stirring mechanism and the second stirring mechanism in the first space operate normally.
Compared with the prior art, the coaxial double-speed direct-drive device has the advantages that the coaxial double-speed direct-drive device comprises the connecting frame, the first permanent magnet motor is arranged at the top end of the connecting frame, the solid shaft extending in the vertical direction is connected to the driving end of the first permanent magnet motor, the second permanent magnet motor is arranged at the bottom end of the connecting frame, the hollow shaft extending in the vertical direction is connected to the driving end of the second permanent magnet motor, the hollow shaft and the solid shaft are coaxially arranged, the driving shaft of the first permanent magnet motor penetrates through the driving shaft of the second permanent magnet motor and is coaxially arranged through the first permanent magnet motor and the second permanent magnet motor, compared with the mode that two asynchronous motors are matched with a speed reducer in the prior art, the permanent magnet motor has better energy conversion efficiency, the permanent magnet motor can be independently used without the speed reducer, and further the direct-drive device has smaller volume and weight, and good stability in the use process.
Drawings
Fig. 1 is a schematic structural diagram of a coaxial double-speed direct-drive device according to embodiment 1 of the present application;
fig. 2 is a schematic structural diagram of a stirrer according to embodiment 2 of the present application.
The text labels in the figures are expressed as:
1. A connecting frame; 2, a first permanent magnet motor, 3, a second permanent magnet motor, 4, a solid shaft, 5, a hollow shaft, 6, a shell, 7, a first stirring mechanism, 8, a second stirring mechanism, 9, a connecting piece, 10, a first window, 71, a first stirring paddle, 72, a transmission shaft, 81, a second stirring paddle, 82 and a scraping plate.
Detailed Description
The application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the application are shown in the drawings.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
Example 1
The embodiment provides a coaxial double-speed direct-drive device, which comprises:
the connecting frame (1) is provided with a plurality of connecting grooves,
The first permanent magnet motor 2 is arranged at the top end of the connecting frame 1, and the driving end is connected with a solid shaft 4 extending along the vertical direction;
The second permanent magnet motor 3, the second permanent magnet motor 3 locates link 1 bottom, and the drive end is connected with the hollow shaft 5 that extends along vertical direction, and hollow shaft 5 and solid shaft 4 coaxial setting.
As shown in fig. 1, the connecting frame 1 is used for fixing the first permanent magnet motor 2 and the second permanent magnet motor 3, the first permanent magnet motor 2 and the second permanent magnet motor 3 are distributed along the vertical direction, the solid shaft 4 is the driving shaft of the first permanent magnet motor 2, the hollow shaft 5 is the driving shaft of the second permanent magnet motor 3, the solid shaft 4 extends along the vertical direction, the solid shaft 4 penetrates through the hollow shaft 5, lubrication can be used for filling between the outer wall of the solid shaft 4 and the inner wall of the hollow shaft 5, and sealing elements are arranged at two ends of a gap between the solid shaft 4 and the inner wall of the hollow shaft 5 to prevent lubrication from flowing out.
Through setting up first permanent magnet motor 2 and the second permanent magnet motor 3 that distribute along vertical direction, make the drive shaft of first permanent magnet motor 2 run through the drive shaft of second permanent magnet motor 3 and coaxial setting, compare in prior art and use the mode of two asynchronous motor cooperation speed reducers, the permanent magnet motor possesses better energy conversion efficiency, can use alone and need not the cooperation speed reducer, and then make direct drive device possess less volume and weight, have good stability in the use.
Example 2
This implementation provides a mixer, including a coaxial double-speed direct drive device of embodiment 1, further including:
the stirring device comprises a shell body 6, wherein a first space is formed in the shell body 6, and stirring slurry to be stirred is contained in the first space;
the first stirring mechanism 7 is arranged in the first space and is used for stirring the slurry to be stirred;
the second stirring mechanism 8 is arranged in the first space and is used for stirring the slurry to be stirred;
the coaxial double-speed direct-drive device is arranged at the top of the shell body 6, the hollow shaft 5 penetrates through the shell body 6 along the vertical direction and extends into the first space to be connected with the second stirring mechanism 8, and the solid shaft 4 penetrates through the hollow shaft 5 along the vertical direction and extends into the first space to be connected with the first stirring mechanism 7.
As shown in fig. 2, the shell body 6 is similar to a tank structure, a feeding hole and a discharging hole are further formed in the shell body, the feeding hole is used for filling to-be-stirred slurry, the discharging hole is used for outputting stirred and molded liquid, the first stirring mechanism 7 is connected with the solid shaft 4, the first stirring mechanism 7 is driven to rotate through the first permanent magnet motor 2, the second stirring mechanism 8 is connected with the hollow shaft 5, and the second stirring mechanism 8 is driven to rotate through the second permanent magnet motor 3.
In a preferred embodiment, the first stirring mechanism 7 comprises a rotating shaft 72, one end of the rotating shaft 72 is coaxially connected with the solid shaft 4, the other end of the rotating shaft 72 extends along the vertical direction and is rotatably connected with the inner wall of the housing body 6, and the first stirring paddle 71 is sleeved on the periphery of the rotating shaft 72.
As shown in fig. 2, a bearing is disposed at one end of the inner wall of the housing body 6 far away from the solid shaft 4, a thrust ball bearing in the prior art is adopted, one end of the rotating shaft 72 far away from the solid shaft 4 is fixed with a top ring of the thrust ball bearing, a seat ring of the thrust ball bearing is fixed on the inner wall of the housing body 6, when the first permanent magnet motor 2 drives the solid shaft 4 to rotate, the rotating shaft 72 drives the first stirring paddles 71 to synchronously rotate, in this embodiment, the number of the first stirring paddles 71 is two, three-blade stirring paddles in the prior art are adopted, the two first stirring paddles 71 are distributed along the vertical direction and are sequentially sleeved on the outer wall of the rotating shaft 72, and in other embodiments of the application, the number of the first stirring paddles 71 can be adjusted according to requirements.
In a preferred embodiment, a connecting member 9 is further provided, and the solid shaft 4 and the rotation shaft 72 are connected by the connecting member 9.
As shown in fig. 2, the coupling member 8 is a prior art coupling, which is a coupling of a shell type, and rotates the solid shaft 4 in synchronization with the axis of the rotating shaft 72.
In a preferred embodiment, the second stirring mechanism 8 includes a second stirring paddle 81, one end of the second stirring paddle 81 is sleeved on the periphery of the hollow shaft 5, the other end of the second stirring paddle 81 is sleeved on the solid shaft 4 and is rotationally connected with the solid shaft 4, a plurality of scrapers 82 are distributed on the side, close to the inner wall of the housing body 6, of the second stirring paddle 81 along the first direction, and the scrapers 82 are in contact with the inner wall of the housing body 6.
As shown in fig. 2, bearings are also arranged between the second stirring paddle 81 and the solid shaft 4, a deep groove ball bearing in the prior art is adopted, the top end of the second stirring paddle 81 is fixed with the outer ring of the deep groove ball bearing, the inner ring of the deep groove ball bearing is fixed with the outer wall of the solid shaft 4, the shape of the blades of the second stirring paddle 81 is matched with the inner contour of the shell body 6, in this embodiment, the second stirring paddle 81 is provided with two blades which are symmetrically arranged at two sides of the rotating shaft 72, in other embodiments of the application, the number of the blades can be increased according to actual use requirements, all the blades are uniformly distributed around the rotating shaft 72, a plurality of scraping plates 82 are distributed along the vertical direction on the side, close to the inner wall of the shell body 6, of the blades 82, which is far away from the second stirring paddle 81, are contacted with the inner wall of the shell body 6, and are used for scraping off the to-be-stirred slurry attached on the inner wall of the shell body 6.
In a preferred embodiment, the diameter of revolution of the first stirring paddle 71 is smaller than the diameter of revolution of the second stirring paddle 81.
As shown in fig. 2, the second stirring paddle 81 has a length in the horizontal direction longer than that of the first stirring paddle 71, so that the first stirring paddle 71 can rotate inside the second stirring paddle 81, and the two stirring paddles do not interfere with each other when rotating simultaneously.
In a preferred embodiment, a first window 10 is disposed on one side of the housing body 6, and the first window 10 is used for observing whether the first stirring mechanism 2 and the second stirring mechanism 3 in the first space 11 operate normally;
in some specific scenarios, please refer to the first window 10 shown in fig. 1, where the first window 10 is disposed on the side of the housing body 1 away from the first bracket 9.
When the stirring device is used, the first permanent magnet motor 2 and the second permanent magnet motor 3 are started, the first permanent magnet motor 2 drives the solid shaft 4 to rotate around the axis of the solid shaft, the solid shaft 4 drives the rotating shaft 72 through the connecting piece 9 so as to drive the first stirring paddles 71 to rotate, the first stirring paddles 71 are mainly used for stirring slurry to be stirred in the central area in the first space, the second permanent magnet motor 3 drives the hollow shaft 5, the hollow shaft 5 is sleeved on the periphery of the solid shaft 4 and rotates around the same axis with the solid shaft 4 and does not interfere with each other, the hollow shaft 5 drives the second stirring paddles 81 to rotate, and the second stirring paddles 81 are mainly used for stirring slurry to be stirred in the edge area in the first space and are matched with the first stirring paddles 71 and do not interfere with each other, so that uniform stirring of the slurry in the first space is realized.
The principles and embodiments of the present application have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present application and its core ideas. The foregoing is merely illustrative of the preferred embodiments of the application, and it will be appreciated that numerous modifications, adaptations and variations of the application can be made by those skilled in the art without departing from the principles of the application, and that other features and advantages of the application can be combined in any suitable manner, and that no improvement in the design or design of the application is intended to be applied directly to other applications.
Claims (7)
1. A coaxial two-speed direct drive apparatus comprising:
A connecting frame (1),
The first permanent magnet motor (2), the first permanent magnet motor (2) is arranged at the top end of the connecting frame (1), and the driving end is connected with a solid shaft (4) extending along the vertical direction;
The second permanent magnet motor (3), second permanent magnet motor (3) are located link (1) bottom, and the drive end is connected with hollow shaft (5) that extend along vertical direction, hollow shaft (5) with solid axle (4) coaxial setting.
2. A blender comprising a coaxial two speed direct drive apparatus as recited in claim 1 further comprising:
The stirring device comprises a shell body (6), wherein a first space is formed in the shell body (6), and stirring slurry to be stirred is contained in the first space;
the first stirring mechanism (7) is arranged in the first space and is used for stirring the to-be-stirred slurry;
The second stirring mechanism (8) is arranged in the first space and is used for stirring the to-be-stirred slurry;
The coaxial double-speed direct-drive device is arranged at the top of the shell body (6), the hollow shaft (5) penetrates through the shell body (6) along the vertical direction and extends into the first space to be connected with the second stirring mechanism (8), and the solid shaft (4) penetrates through the hollow shaft (5) along the vertical direction and extends into the first space to be connected with the first stirring mechanism (7).
3. A mixer according to claim 2, wherein the first stirring mechanism (7) comprises a rotating shaft (72), one end of the rotating shaft (72) is coaxially connected with the solid shaft (4), the other end of the rotating shaft (72) extends along the vertical direction and is rotatably connected with the inner wall of the shell body (6), and a first stirring paddle (71) is sleeved on the periphery of the rotating shaft (72).
4. A mixer according to claim 3, further comprising a connecting member (9), wherein the solid shaft (4) and the rotary shaft (72) are connected by the connecting member (9).
5. A mixer according to claim 3, wherein the second stirring mechanism (8) comprises a second stirring paddle (81), one end of the second stirring paddle (81) is sleeved on the periphery of the hollow shaft (5), the other end of the second stirring paddle is sleeved on the solid shaft (4) and is rotationally connected with the solid shaft (4), a plurality of scrapers (82) are distributed on the side, close to the inner wall of the shell body (6), of the second stirring paddle (81) along the first direction, and the scrapers (82) are in contact with the inner wall of the shell body (6).
6. A mixer according to claim 5, wherein the diameter of revolution of the first stirring paddle (71) is smaller than the diameter of revolution of the second stirring paddle (81).
7. A mixer according to claim 2, wherein a first window (10) is provided on one side of the housing body (6), and the first window (10) is used for observing whether the first stirring mechanism (7) and the second stirring mechanism (8) in the first space are in normal operation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2023224267818 | 2023-09-07 | ||
| CN202322426781 | 2023-09-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223321898U true CN223321898U (en) | 2025-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421625834.7U Active CN223321898U (en) | 2023-09-07 | 2024-07-10 | Coaxial dual-speed direct drive device and mixer |
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| CN (1) | CN223321898U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121623617A (en) * | 2026-02-03 | 2026-03-10 | 珠海市吉力电机技术有限公司 | A dual-shaft concentric stirring device, stirring system and container |
-
2024
- 2024-07-10 CN CN202421625834.7U patent/CN223321898U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121623617A (en) * | 2026-02-03 | 2026-03-10 | 珠海市吉力电机技术有限公司 | A dual-shaft concentric stirring device, stirring system and container |
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