CN108667247A - A double-motor stacked motor and cooking machine thereof - Google Patents

Abstract

The invention discloses a double-motor stacked motor and a cooking machine thereof. The large shaft of the first motor located above is made hollow and is socketed outside the small shaft of the second motor located below, and then the two motors pass through the first motor. The first bearing seat and the second bearing seat are connected together, which can ensure the coaxiality of the large shaft and the small shaft when rotating, and reduce the overall running noise of the motor. Due to the independence of the first motor and the second motor, it can be used according to different performance requirements , made of different stack thicknesses, the two motors can achieve different speeds and directions, the two motors can rotate at the same time or the single motor can rotate. occasions of use.

Description

A double-motor stacked motor and cooking machine thereof

technical field

The invention relates to the field of motors, in particular to a dual-motor stacked motor and a cooking machine thereof.

Background technique

Most cooking machines on the market generally use a single motor, and a cutter head is installed on the motor shaft for stirring or breaking, but the stirring and breaking effect of this kind of cooking machine is generally not good enough, and a higher speed is often required to make up for this defect , but this also leads to high operating noise; there are also a few cooking machines that use dual motors, but the existing dual motors used in cooking machines generally have problems such as complicated structural design and manufacturing process, high noise, and insufficient applicability. .

Contents of the invention

In order to solve the above problems, the object of the present invention is to provide a dual-motor stacked motor and a cooking machine thereof, which have reasonable structural design, simple manufacturing process, low operating noise and strong applicability, which can meet various application occasions.

The technical scheme that the present invention solves its problem adopts is:

A double-motor laminated motor, comprising a first motor and a second motor arranged directly below the first motor, the first motor includes a first bearing seat which is hollow inside, a bearing seat placed inside the first bearing seat The large shaft, the first stator sleeved on the outside of the first bearing seat, and the first rotor arranged on the outside, upper side or lower side of the first stator, the first rotor and the large shaft connection; the second motor includes a hollow second bearing seat, a small shaft placed inside the second bearing seat, a second stator sleeved outside the second bearing seat, and a second stator arranged on the second The second rotor on the outside, upper side or lower side of the stator, the second rotor is connected to the small shaft; the large shaft is hollow and sleeved on the periphery of the small shaft, the first motor and the second The two motors are connected together through the first bearing seat and the second bearing seat. By making the large shaft of the first motor located above hollow and sleeved outside the small shaft of the second motor located below, and then the two motors are connected together through the first bearing seat and the second bearing seat, the large shaft can be ensured. The coaxiality between the shaft and the small shaft reduces the overall operating noise of the motor. Due to the independence of the first motor and the second motor, different stack thicknesses can be made according to different performance requirements. The two motors can achieve different The rotation speed and direction of rotation can be controlled by two motors at the same time or by a single motor. The design of the entire motor structure is reasonable, so that the manufacturing process is simple and the applicability is strong, which can meet various application occasions.

As a preferred solution of the present invention, the first rotor is arranged outside the first stator, and a first motor for connecting the large shaft and the first rotor is arranged above or below the first motor. An end cover; the second rotor is arranged outside the second stator, and a second end cover for connecting the small shaft and the second rotor is arranged above or below the second motor.

Specifically, the first rotor includes a first rotor ring arranged outside the first stator and a first magnetic steel embedded in the first rotor ring, and the opening direction of the first stator faces The outside faces the first magnetic steel; the second rotor includes a second rotor ring arranged outside the second stator and a second magnetic steel embedded in the second rotor ring, the second stator The direction of the opening faces outward to the second magnetic steel.

As another preferred solution of the present invention, the first rotor includes a first end cover arranged above or below the first stator, and the first end cover is connected to the large shaft; the second rotor It includes a second end cover arranged above or below the second stator, and the second end cover is connected with the small shaft.

Specifically, when the first end cover is arranged above the first motor, the lower end surface of the first end cover is inlaid with the first magnetic steel, and the opening direction of the first stator faces upward to the The first magnetic steel; when the first end cover is arranged below the first motor, the upper end surface of the first end cover is inlaid with the first magnetic steel, and the opening direction of the first stator faces The bottom faces the first magnetic steel; when the second end cover is arranged above the second motor, the lower end surface of the second end cover is embedded with a second magnetic steel, and the opening of the second stator The direction is upward facing the second magnetic steel; when the second end cover is arranged below the second motor, the upper end surface of the second end cover is inlaid with the second magnetic steel, and the second stator The direction of the opening is downward facing the second magnetic steel.

Further, when the first end cover is arranged above the first motor and the second end cover is arranged below the second motor, the lower end surface of the first bearing seat is provided with a The groove of the second bearing seat, the upper part of the second bearing seat is provided with a protrusion matching the groove.

Further, a middle shell is provided between the first motor and the second motor, and the middle shell is integrally formed with the first bearing seat.

Furthermore, a mounting block for fixing and mounting the entire motor is provided on the periphery of the middle case, and mounting holes are provided on the mounting block.

Further, when the first end cover is arranged above the first motor and the second end cover is arranged above the second motor, the bottom of the first motor is provided with the first The first fixed shell integrally formed with the bearing seat, the second fixed shell integrally formed with the second bearing seat is provided under the second motor, the first fixed shell and the second fixed shell The bodies are connected together by screws arranged on the periphery;

When the first end cover is arranged under the first motor and the second end cover is arranged under the second motor, the upper part of the first motor is provided with the first bearing seat An integrally formed first fixed casing, a second fixed casing integrally formed with the second bearing seat is provided above the second motor, and the first fixed casing and the second fixed casing pass through The screws arranged on the periphery are connected together;

When the first end cover is arranged below the first motor and the second end cover is arranged above the second motor, the upper part of the first motor is provided with the first bearing seat An integrally formed first fixed casing, a second fixed casing integrally formed with the second bearing seat is provided under the second motor, and the first fixed casing and the second fixed casing pass through Screw rods arranged on the periphery are connected together.

A cooking machine using the above-mentioned double-motor stacking motor, comprising the double-motor stacking motor, a base and a cup, the cup is set above the base, and the double-motor stacking motor is set inside the base.

The beneficial effects of the present invention are: the present invention adopts a double-motor stacked motor and its cooking machine, by making the large shaft of the first motor located above hollow and socketed outside the small shaft of the second motor located below , and then the two motors are connected together through the first bearing seat and the second bearing seat, which can ensure the coaxiality of the large shaft and the small shaft when rotating, and reduce the overall running noise of the motor. Due to the independence of the first motor and the second motor According to different performance requirements, it can be made into different stack thicknesses. The two motors can achieve different speeds and steering directions. Two motors can rotate at the same time or one motor can rotate. The entire motor structure is designed reasonably, so the manufacturing process is simple and the applicability is strong. , to meet a variety of use occasions.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing and example.

Fig. 1 is a structural sectional view of Embodiment 1 of the present invention;

Fig. 2 is an overall appearance diagram of Embodiment 1 of the present invention;

Fig. 3 is a structural diagram of a first stator and a second stator according to Embodiment 1 of the present invention;

Fig. 4 is a structural sectional view of Embodiment 2 of the present invention;

Fig. 5 is an overall appearance diagram of Embodiment 2 of the present invention;

Fig. 6 is a structural diagram of the first stator of Embodiment 2 of the present invention;

FIG. 7 is a structural diagram of a second stator in Embodiment 2 of the present invention;

Fig. 8 is a structural sectional view of Embodiment 3 of the present invention;

Fig. 9 is an overall appearance view of Embodiment 3 of the present invention.

Detailed ways

Embodiment one

Referring to Fig. 1-Fig. 2, a double-motor laminated motor of the present invention includes a first motor 1 and a second motor 2 arranged directly below the first motor 1, and the first motor 1 includes a hollow first motor. A bearing seat 11, a large shaft 12 placed inside the first bearing seat 11, a first stator 13 sleeved outside the first bearing seat 11, and a second stator 13 arranged outside the first stator 13 A rotor, the top of the first motor 1 is provided with a first end cover 15 for connecting the large shaft 12 and the first rotor, and the first rotor includes an outer side of the first stator 13 The first rotor ring 16 and the first magnetic steel 17 embedded in the first rotor ring 16, the first rotor ring 16 is connected to the large shaft 12 through the first end cover 15; the first The second motor 2 includes a hollow second bearing seat 21, a small shaft 22 placed inside the second bearing seat 21, a second stator 23 sleeved outside the second bearing seat 21, and a second stator 23 arranged on the second bearing seat 21. The second rotor on the outside of the second stator 23, the second motor 2 is provided with a second end cover 25 for connecting the small shaft 22 and the second rotor, and the second rotor includes a second end cover 25 arranged on the second rotor. The second rotor ring 26 on the outside of the two stators 23 and the second magnetic steel 27 embedded in the second rotor ring 26, the second rotor ring 26 passes through the second end cover 25 and the small shaft 22 Connection; the large shaft 12 is hollow and sleeved on the periphery of the small shaft 22 .

Further, the first motor 1 and the second motor 2 are connected together through the first bearing seat 11 and the second bearing seat 21 . Specifically, the lower end surface of the first bearing seat 11 is provided with a groove for positioning the second bearing seat 21, and the upper part of the second bearing seat 21 is provided with a protrusion matching the groove, so A middle shell 3 is also arranged between the first motor 1 and the second motor 2, and the middle shell 3 is integrally formed with the first bearing seat 11, and the outer periphery of the middle shell 3 is also provided for fixing and Install the installation block 31 of the whole motor, and the installation block 31 is provided with the installation hole 32 . The middle shell 3 is set to separate the first motor 1 and the second motor 2, and the first motor 1 and the second motor 2 can be made separately during production, and then the small shaft 22 of the second motor 2 is separated from the first motor 1 The bottom of the large shaft 12 is penetrated, and the protrusion on the upper part of the second bearing seat 21 is matched with the groove on the lower part of the first bearing seat 11, so that the connection and positioning of the two motors can be completed, which simplifies the process steps of manufacture and installation .

By making the large shaft 12 of the first motor 1 at the top hollow and sleeved outside the small shaft 22 of the second motor 2 at the bottom, the two motors are connected through the first bearing seat 11 and the second bearing seat 22 Together, it can ensure the coaxiality of the large shaft 12 and the small shaft 22 when rotating, and reduce the overall running noise of the motor. Due to the independence of the first motor 1 and the second motor 2, it can be made different according to different performance requirements. The thickness of the stack, the two motors can achieve different speeds and directions, the two motors can rotate at the same time or the single motor can rotate.

Referring to FIG. 3 , the opening direction of the first stator 13 is facing outward to the first magnetic steel 17 ; the opening direction of the second stator 23 is facing outward to the second magnetic steel 27 .

Further, in order to enhance the stability when the large shaft and the small shaft rotate, two large shaft bearings are provided between the large shaft 12 and the first bearing seat 11, and a first partition is provided between the two large shaft bearings. fast; two small shaft bearings are arranged between the small shaft 22 and the second bearing seat 21, and a second separation fast is arranged between the two small shaft bearings.

Embodiment two

Referring to Fig. 4-Fig. 5, a double-motor laminated motor of the present invention, the first rotor includes a first end cover 15 arranged above the first stator 13, and the first end cover 15 is connected to the large The shaft 12 is connected; the second rotor includes a second end cover 25 disposed below the second stator 23 , and the second end cover 25 is connected to the small shaft 22 .

Specifically, the lower end surface of the first end cover 15 is inlaid with a first magnetic steel 17, the opening direction of the first stator 13 faces upwards to the first magnetic steel 17, and the opening direction of the first stator 13 As shown in FIG. 6 ; when the second end cover 25 is arranged below the second motor 2 , the upper end surface of the second end cover 25 is inlaid with a second magnetic steel 27 , and the second stator 23 The opening direction faces the second magnetic steel 27 downward, and the opening direction of the second stator 23 is shown in FIG. 7 .

Embodiment Three

Referring to Fig. 8-Fig. 9, a double-motor laminated motor according to the present invention, the first end cover 15 is arranged under the first motor 1, and the second end cover 25 is arranged under the second motor 2 The bottom of the first motor 1 is provided with a first fixed housing 18 integrally formed with the first bearing seat 11, and the upper part of the second motor 2 is provided with a housing integral with the second bearing seat 21. The formed second fixed shell 28, the first fixed shell 18 and the second fixed shell 28 are connected together by the screw rod 4 arranged on the periphery.

Embodiment Four

As an extension of the third embodiment, in the dual-motor stacked motor of the present invention, the first end cover 15 is arranged under the first motor 1, and the second end cover 25 is arranged under the first On the top of the second motor 2, a first fixed housing 18 integrally formed with the first bearing seat 11 is provided above the first motor 1, and a first fixed housing 18 integrally formed with the first bearing seat 11 is provided above the second motor 2, and a The seat 21 is integrally formed with a second fixed shell 28, and the first fixed shell 18 and the second fixed shell 28 are connected together by the screw rod 4 arranged on the periphery.

Embodiment five

As another extension of the third embodiment, in the double-motor stacked motor of the present invention, the first end cover 15 is arranged above the first motor 1, and the second end cover 25 is arranged on the The top of the second motor 2, the bottom of the first motor 1 is provided with the first fixed housing 18 integrally formed with the first bearing seat 11, and the bottom of the second motor 2 is provided with the second The bearing seat 21 is integrally formed with a second fixed shell 28 , and the first fixed shell 18 and the second fixed shell 28 are connected together by the screw rod 4 arranged on the periphery.

Embodiment six

A double-motor laminated motor of the present invention includes a first motor 1 and a second motor 2 arranged directly below the first motor 1, both of the first motor 1 and the second motor 2 are switched reluctance motors, The first motor 1 includes a hollow first bearing seat 11, a large shaft 12 placed inside the first bearing seat 11, a first stator 13 sleeved outside the first bearing seat 11, and a set The first rotor on the outside of the first stator 13, the first rotor and the large shaft 12 are connected through a first end cover 15, and the first end cover 15 can be arranged on the upper end surface of the first motor 1 Or the lower end surface; the second motor 2 includes a second bearing seat 21 which is hollow inside, a small shaft 22 placed inside the second bearing seat 21 , and a second stator sleeved outside the second bearing seat 21 23 and the second rotor arranged outside the second stator 23, the second rotor and the small shaft 22 are connected through the second end cover 25, and the second end cover 25 can be arranged on the second motor End face or lower end face; the large shaft 12 is hollow and sleeved on the periphery of the small shaft 22, the first motor 1 and the second motor 2 pass through the first bearing seat 11 and the second bearing seat 21 connected together.

A cooking machine using the above-mentioned double-motor stacking motor, comprising the double-motor stacking motor, a base and a cup, the cup is set above the base, and the double-motor stacking motor is set inside the base.

The above descriptions are only preferred embodiments of the present invention, and the present invention is not limited to the above-mentioned embodiments, as long as they achieve the technical effects of the present invention by the same means, they should all belong to the protection scope of the present invention.

Claims (10)

1. motor is laminated in a kind of bi-motor, which is characterized in that including first motor (1) and be set to the first motor (1) just The second motor (2) of lower section,

The first motor (1) includes the first bearing seat (11) of inner hollow, is placed on the first bearing seat (11) inside Big axis (12), be socketed in external the first stator (13) of the first bearing seat (11) and be arranged in first stator (13) the first rotor in outside, upside or downside, the first rotor and the big axis (12) connection；

Second motor (2) includes the second bearing seat (21) of inner hollow, is placed on the second bearing seat (21) inside Small axis (22), be socketed in external the second stator (23) of the second bearing seat (21) and be arranged in second stator (23) second rotor in outside, upside or downside, second rotor and the small axis (22) connection；

The big axis (12) is hollow and is socketed in small axis (22) periphery, the first motor (1) and second motor (2) It is linked together by the first bearing seat (11) and the second bearing seat (21).

2. motor is laminated in a kind of bi-motor according to claim 1, which is characterized in that the first rotor is arranged described The outside of first stator (13), the either above or below of the first motor (1) be provided with for connect the big axis (12) and The first end cover (15) of the first rotor；Second rotor setting is in the outside of second stator (23), and described second The either above or below of motor (2) is provided with for connecting the small axis (22) and the bitrochanteric second end cover (25).

3. motor is laminated in a kind of bi-motor according to claim 2, which is characterized in that the first rotor includes that setting exists The first rotor ring (16) in the outside of first stator (13) and the first magnetic for being embedded in the first rotor ring (16) inside Steel (17), the opening direction of first stator (13) is outwardly towards first magnet steel (17)；Second rotor includes setting Set the outside of second stator (23) the second rotor ring (26) and be embedded in second rotor ring (26) it is internal the Two magnet steel (27), the opening direction of second stator (23) is outwardly towards second magnet steel (27).

4. motor is laminated in a kind of bi-motor according to claim 1, which is characterized in that the first rotor includes that setting exists The first end cover (15) of first stator (13) either above or below, the first end cover (15) connect with the big axis (12) It connects；Second rotor include setting the second stator (23) either above or below second end cover (25), described second End cap (25) is connect with the small axis (22).

5. motor is laminated in a kind of bi-motor according to claim 4, which is characterized in that when the first end cover (15) are arranged At the top of the first motor (1), the lower face of the first end cover (15) is inlaid with the first magnet steel (17), and described first The opening direction of stator (13) is upward towards first magnet steel (17)；When the first end cover (15) setting is in first electricity When the lower section of machine (1), the upper surface of the first end cover (15) is inlaid with the first magnet steel (17), and the first stator (13) are opened Mouth is directed downward towards first magnet steel (17)；When the second end cover (25) is arranged in the top of second motor (2) When, the lower face of the second end cover (25) is inlaid with the second magnet steel (27), and the opening direction of second stator (23) is upward Towards second magnet steel (27)；When the second end cover (25) is arranged in the lower section of second motor (2), described second The upper surface of end cap (25) is inlaid with the second magnet steel (27), and the opening direction of second stator (23) is downward towards described second Magnet steel (27).

6. motor is laminated in a kind of bi-motor according to claim 2 or 4, which is characterized in that the first end cover (15) Setting is above the first motor (1), and second end cover (25) setting is below second motor (2), and described first The lower face of bearing block (11) is provided with the groove for positioning the second bearing seat (21), the second bearing seat (21) Top is provided with the convex block with the matching grooves.

7. motor is laminated in a kind of bi-motor according to claim 6, which is characterized in that the first motor (1) and described Middle shell (3) is additionally provided between second motor (2), the middle shell (3) is integrally formed with the first bearing seat (11).

8. motor is laminated in a kind of bi-motor according to claim 7, which is characterized in that the periphery of the middle shell (3) is also set The mounting blocks (31) for fixing and installing entire motor are equipped with, mounting hole (32) is provided on the mounting blocks (31).

9. motor is laminated in a kind of bi-motor according to claim 2 or 4, which is characterized in that when the first end cover (15) setting is arranged in the top of the first motor (1) and the second end cover (25) in the top of second motor (2) When, it is provided with below the first motor (1) and fixes shell (18) with the first bearing seat (11) integrally formed first, It is provided with below second motor (2) and fixes shell (28), institute with the second bearing seat (21) integrally formed second It states the first fixation shell (18) and the second fixation shell (28) is linked together by being arranged in peripheral screw rod (4)；

When the first end cover (15) setting is arranged in the lower section of the first motor (1) and the second end cover (25) described When the lower section of the second motor (2), it is provided with above the first motor (1) integrally formed with the first bearing seat (11) First fixes shell (18), is provided with above second motor (2) and the second bearing seat (21) integrally formed the Two fix shell (28), the screw rod of the first fixation shell (18) and the second fixation shell (28) by being arranged in periphery (4) it links together；

When the first end cover (15) setting is arranged in the lower section of the first motor (1) and the second end cover (25) described When the top of the second motor (2), it is provided with above the first motor (1) integrally formed with the first bearing seat (11) First fixes shell (18), is provided with below second motor (2) and the second bearing seat (21) integrally formed the Two fix shell (28), the screw rod of the first fixation shell (18) and the second fixation shell (28) by being arranged in periphery (4) it links together.

10. a kind of cooking machine that motor being laminated using any bi-motors of claim 1-9, which is characterized in that including described Motor, pedestal and cup body, the cup body side of being set on the base is laminated in bi-motor, and the bi-motor stacking motor is arranged described Chassis interior.