Vertical shaft type stirring machine of multi-stage speed reducing mechanism

Abstract

The utility model relates to a vertical shaft type stirrer with a multi-stage speed reducing mechanism. The vertical shaft type stirrer comprises a stirring rack, a driving motor, a stirring part, a first-stage speed reducing mechanism and a revolution body, the driving motor and the primary reducing mechanism are arranged at the top of the stirring rack, and the primary reducing mechanism is connected below the driving motor; the bottom of the first-stage speed reducing mechanism is connected with the revolution body; the driving motor drives the first-stage speed reducing mechanism to rotate and drives the revolution body to rotate; the bottom of the first-stage reducing mechanism is connected with a revolution body, and the lower part of the revolution body is circumferentially connected with more than one stirring component; the revolution body drives the stirring part to rotate, so that the stirring part rotates while revolving around the center shaft of the stirrer; the revolution body is a two-stage speed reduction mechanism. The stirring machine has the beneficial effects that the first-stage speed reducing mechanism and the revolution body are designed, and the revolution body is designed to be a second-stage speed reducing mechanism and is matched with the first-stage speed reducing mechanism to work, so that the torque of the stirring machine is increased, the rotating speed is reduced, and the stability of the stirring machine during working is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of mixers, in particular to a vertical shaft mixer with a multi-stage speed reduction mechanism. Background Art

[0002] Traditional vertical planetary mixers all have a first-stage reduction mechanism. When faced with high-standard output, the number of drive motors will be increased, and the size and power of the drive motors will also increase accordingly. Drive motors with too much power will not only make the equipment easy to tilt during operation, causing unstable operation of the equipment, but also the high power of the drive motor will shorten the service life of the reduction mechanism.

[0003] In general, the reduction ratio (initial speed: speed after reduction) of a planetary reduction mechanism with a single-stage reduction gear set is usually between 3 and 10; however, for a vertical-shaft planetary mixer facing certain high-viscosity mixing materials or mixing materials that require high precision and high fineness, the required reduction ratio is more than 10.

[0004] Therefore, the utility model proposes a vertical shaft mixer with a multi-stage reduction mechanism. Utility Model Content

[0005] The utility model aims to overcome the shortcomings of the prior art, provide a vertical shaft mixer with a multi-stage reduction mechanism which has a stable structure, simple control and can achieve smooth mixing, and solves the problem of unstable operation of the equipment.

[0006] The purpose of the utility model is achieved by the following technical solutions: a vertical shaft mixer with a multi-stage reduction mechanism, comprising a mixing frame, a driving motor, and a stirring component, wherein the driving motor is arranged on the top of the mixing frame, and the stirring component is arranged inside the mixing frame, and further comprising: a first-stage reduction mechanism and a revolution body;

[0007] The driving motor and the primary reduction mechanism are arranged on the top of the mixer frame, the driving motor is connected to the primary reduction mechanism below, and there are more than one driving motor and the primary reduction mechanism, which are symmetrically arranged on the top of the mixer frame;

[0008] The bottom of the primary reduction mechanism is connected to the revolving body, and the driving motor drives the primary reduction mechanism to rotate, transmits the power of the motor to the revolving body, and drives the revolving body to rotate;

[0009] The primary reduction mechanism and the revolution body cooperate with each other to form a multi-stage reduction mechanism;

[0010] The lower part of the revolving body is circumferentially connected with more than one stirring component; the revolving body transmits power to the stirring component through a gear transmission device to drive the stirring component to revolve around the central axis of the mixer, and at the same time realizes the self-rotation of the stirring component.

[0011] Furthermore, the primary reduction mechanism comprises an outer shell, an output shaft, a sun gear, a planetary gear, a primary internal gear ring, a secondary internal gear ring, a reduction motor and an output gear;

[0012] The output shaft, the sun gear and the planetary gear are sequentially installed in the outer shell from top to bottom; the primary inner gear ring is arranged along the inner wall of the outer shell, and the primary inner gear ring and the gear of the sun gear are in the same horizontal plane; the secondary inner gear ring is arranged along the inner wall of the outer shell, and the secondary inner gear ring and the gear of the planetary gear are in the same horizontal plane;

[0013] The output shaft is connected to the driving motor through a keyway; a sun gear is sleeved on the lower part of the output shaft; a gear shaft is provided at the bottom of the sun gear, and the planetary gear is sleeved on the gear shaft; the bottom of the planetary gear is connected to the reduction motor through a bearing;

[0014] An output gear is sleeved on the outside of the reduction motor, and the output gear meshes with the gear of the revolving body.

[0015] Furthermore, the sun gear has a gear sleeve mounted on the output shaft, and a retaining ring is arranged along the outside of the gear; a gear shaft is arranged at the bottom of the retaining ring, and the gear of the gear shaft meshes with the gear of the planetary gear.

[0016] Further, the planetary gear includes a plurality of planetary gears and a planetary gear carrier;

[0017] The planetary gears are arranged circumferentially along the gear shaft at the bottom of the sun, and the teeth of the planetary gears mesh with the teeth of the gear shaft; the multiple planetary gears are arranged in a planetary gear frame, and the planetary gear frame is hollowed out around it. The planetary gears mesh with the secondary inner gear ring through the hollowed out parts during passive rotation.

[0018] Furthermore, the two-stage reduction mechanism includes a rotating bearing, an input gear, a first-layer gear, a second-layer gear and a two-stage reduction motor;

[0019] The input gear, the first gear and the second gear are sequentially sleeved on the rotating bearing from top to bottom, and the bottom of the second gear is connected to the secondary reduction motor; the secondary reduction motor is connected to the stirring component;

[0020] The input gear is meshed with the gear at the bottom of the revolving body, and the rotation of the revolving body drives the input gear to rotate, and the input gear drives the rotating bearing to rotate.

[0021] Furthermore, the revolving body comprises a revolving disk, an external gear and an internal gear ring;

[0022] The public rotating disk is fixed on the mixer frame, and a circle of gears is arranged along the inner part of the public rotating disk; the external gear is provided with a circle of internal teeth along the inner wall, and the external gear is provided with a circle of external teeth along the outer wall;

[0023] The driving motor and the primary reduction mechanism are arranged in the external gear, the internal teeth on the inner wall of the external gear are in contact with the primary reduction mechanism, the primary reduction mechanism drives the external gear to rotate, and during the rotation of the external gear, the external teeth on the external gear mesh with the gear on the revolving disk;

[0024] The inner gear is arranged inside the outer gear, the outer gear and the inner gear are not on the same horizontal line, and the diameter of the inner gear is smaller than the diameter of the outer gear; a circle of gears is arranged on the outer wall of the inner gear, and the outer wall gears of the inner gear are in contact with the secondary reduction mechanism.

[0025] Furthermore, the vertical-shaft mixer with the multi-stage reduction mechanism also includes a feeding structure, which is arranged in the middle of the multiple driving motors and is used for adding colloid materials.

[0026] The main principles and core technological advances of this implementation case are now explained:

[0027] 1. When the utility model is working, the driving motor drives the primary reduction mechanism to rotate, and the primary reduction mechanism drives the revolving body to rotate through the gear transmission system; the primary reduction mechanism and the revolving body cooperate with each other to form a multi-stage reduction mechanism; the multi-stage reduction mechanism is set to increase the torque and stability of the mixer at the same time; the high speed of the driving motor is reduced to the working speed required by the mixer through the gear setting inside the primary reduction mechanism; by reducing the speed, the torque of the revolving body can be increased, so that the rotation direction of the stirring part can change more smoothly under the overall driven revolution, thereby improving the uniformity and efficiency of stirring; the revolving body further reduces the speed and increases the torque on the basis of the primary reduction mechanism, and at the same time adjusts the speed so that the stirring part can work at a lower speed, which can make the stirring more uniform and increase the fineness of the stirring.

[0028] 2. The internal structure of the revolving body is a two-stage reduction mechanism. The revolving body not only retains the gear transmission to drive the stirring component to realize the revolution and rotation, but also forms a two-stage reduction mechanism through the gear design; the revolving body is directly connected to the stirring component, and the power is transmitted to the stirring component through a series of gear transmissions, driving the stirring component to revolve and rotate; the internal ball installation of the central gear in the revolving body ensures that the outer ring will not separate from the inner ring, but it will not be completely fixed to the inner ring, so that the rotation of the inner ring will not affect the outer ring; the ball rubs against both the outer ring and the inner ring, and this friction has a certain speed reduction effect on the rotation speed.

[0029] 3. Multiple stirring components can be disassembled and installed in the circumferential direction of the revolving body. The central gear of the revolving body and the multiple stirring components form a planetary stirring reduction structure to reduce the rotation speed. The central gear is meshed with the multiple stirring components. The outer ring is regarded as the driven sun gear in the planetary reduction structure, and the multiple stirring components are the planetary gears of the active parts. Therefore, the central gear and the multiple stirring components constitute a planetary reduction structure to achieve another level of reduction effect.

[0030] The utility model has the following advantages:

[0031] (1) The utility model is designed with a primary reduction mechanism and a secondary reduction mechanism to work together, increase the torque of the mixer and reduce the speed at the same time, and ensure the stability of the mixer during operation; the primary reduction mechanism reduces the high speed of the driving motor 2; by reducing the speed, the torque of the revolution body can be increased, so that the direction of rotation of the stirring component is more smooth under the overall driving revolution, the uniformity and efficiency of stirring are improved, and the working stability of the mixer is increased;

[0032] (2) The utility model designs a revolving body as a two-stage reduction mechanism; generally, the reduction ratio (initial speed: speed after reduction) of a planetary reduction mechanism with a single-stage reduction gear set is usually between 3 and 10; however, the reduction ratio required for a new vertical shaft stirring mechanism exceeds 10; in this case, the number of planetary gears is generally increased, but in this way the reduction ratio can be made 10. In this regard, the present embodiment adopts a revolving body as a two-stage reduction mechanism, and uses a two-stage planetary gear set to reduce the speed to achieve the reduction ratio required by the new vertical shaft stirring machine of more than 10. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the structure of the utility model;

[0034] Figure 2 It is a structural schematic diagram (sectional view) of the utility model;

[0035] Figure 3 It is a structural schematic diagram of the first-stage reduction mechanism;

[0036] Figure 4 is a schematic diagram of the structure of the revolving body;

[0037] In the figure: 1-mixer frame, 2-drive motor, 3-primary reduction mechanism, 4-revolving body, 5-stirring component, 31-outer shell, 32-output shaft, 33-sun gear, 34-planetary gear, 35-primary inner ring gear, 36-secondary inner ring gear, 37-reduction motor, 38-output gear, 341-planetary gear, 342-planetary gear frame, 41-revolving disk, 42-external gear, 43-center gear, 431-inner ring, 432-outer ring. DETAILED DESCRIPTION

[0038] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0039] It should be noted that the directions or positional relationships indicated by "left", "right", etc. are based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the inventive product is usually placed when in use, or are the directions or positional relationships commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0040] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0041] like Figure 1 to Figure 4 As shown, the vertical shaft mixer with a multi-stage reduction mechanism proposed in this embodiment includes a mixer frame 1, a driving motor 2, a stirring component 5, a primary reduction mechanism 3 and a revolving body 4, wherein the driving motor 2 is arranged on the top of the mixer frame 1, and the stirring component 6 is arranged inside the mixer frame 1; the driving motor 2 and the primary reduction mechanism 3 are arranged on the top of the mixer frame 1, and the driving motor 2 is connected to the primary reduction mechanism 3 below, and there are more than one driving motor 2 and the primary reduction mechanism 3, which are symmetrically arranged on the top of the mixer frame 1;

[0042] The bottom of the primary reduction mechanism 3 is connected to the revolving body 4, and the driving motor 2 drives the primary reduction mechanism 3 to rotate, and transmits the power of the motor to the revolving body 4, driving the revolving body 4 to rotate;

[0043] The lower part of the revolving body 4 is circumferentially connected to more than one stirring component 5; the revolving body 4 transmits power to the stirring component 5 through the gear transmission device to drive the stirring component 5 to revolve around the central axis of the mixer, and at the same time realizes the self-rotation of the stirring component 5; the revolving body 4 and multiple stirring components 5 form a planetary reduction structure; the first-stage reduction mechanism 3, the revolving body 4 and the stirring component 5 cooperate with each other to form a multi-stage reduction mechanism.

[0044] During operation, the driving motor 2 drives the primary reduction mechanism 3 to rotate, and the primary reduction mechanism 3 drives the revolving body 4 to rotate through the gear transmission system. After the revolving body 4 rotates, it drives the driving motor 2, the primary reduction mechanism 3 and the stirring component 5 to revolve around the central axis of the mixing machine frame 1; at the same time, the stirring component 5 is connected to the lower part of the revolving body 4, and the revolving body 4 drives the stirring component 5 to revolve, and the stirring component 5 rotates due to the force generated by the relative motion of the gears, thereby completing the stirring of the mixing material.

[0045] like Figure 2 As shown, the primary reduction mechanism 3 includes an outer shell 31, an output shaft 32, a sun gear 33, a planetary gear 34, a primary internal gear ring 35, a secondary internal gear ring 36, a reduction motor 37 and an output gear 38;

[0046] The output shaft 32, the sun gear 33 and the planetary gear 34 are sequentially mounted in the outer shell 31; the primary inner gear ring 35 is arranged along the inner wall of the outer shell 31, and the primary inner gear ring 35 and the gear of the sun gear 33 are in the same horizontal plane; the secondary inner gear ring 36 is arranged along the inner wall of the outer shell 31, and the secondary inner gear ring 36 and the gear of the planetary gear 34 are in the same horizontal plane;

[0047] The output shaft 32 is connected to the driving motor 2 through a key transmission; a sun gear 33 is sleeved on the lower part of the output shaft 32; a gear shaft is provided at the bottom of the sun gear 33, and a planetary gear 34 is sleeved on the gear shaft; the bottom of the planetary gear 34 is connected to the secondary reduction motor 5 through a bearing; an output gear 38 is sleeved on the outside of the reduction motor 37, and the output gear 38 meshes with the gear of the revolving body 4.

[0048] When working, the driving motor 2 is driven to rotate through the input shaft 32, driving the sun gear 33 to rotate; multiple planetary gears 34 surround the sun gear 33 along the inner ring of the outer shell. As the sun gear 33 rotates, the sun gear 33 drives the surrounding planetary gears 34 to rotate, and the surrounding multiple planetary gears 34 will also "revolve" around the sun gear 33 together;

[0049] During rotation, the sun gear 33 touches the primary internal gear ring 35 on the inner wall of the outer shell 31, one side of the planetary gear 34 meshes with the sun gear 33, and the other side meshes with the secondary internal gear ring 36 on the inner wall of the outer shell 31; the torque power transmitted from the input shaft 32 through the sun gear 33 consumes part of the energy after passing through the primary internal gear ring 35, the planetary gear 34 and the secondary internal gear ring 36, and the remaining power is transmitted to the reduction motor 37, and the rotation of the reduction motor 37 drives the output gear 38 to rotate; the output gear 38 meshes with the gear on the revolving body 4, driving the revolving body 4 to rotate.

[0050] In some specific embodiments, as shown in the figure, the sun gear 33 has a central gear sleeved on the output shaft, and a retaining ring is arranged along the outside of the gear; a gear shaft is arranged at the lower part of the retaining ring, and the gear of the gear shaft meshes with the gear of the planetary gear;

[0051] The setting of the retaining ring can make the central gear not have to be directly connected to the first-stage ring gear 35, thereby reducing part of the deceleration effect; at the same time, during rotation, the sun gear 33 and the outer shell 31, the sun gear 33 and the planetary gear 34 are centrifuged to ensure that the sun gear 33 is in the active position, the planetary gear 34 is passive, and the outer shell 31 is fixed relative to the inside, completing the speed reduction transmission combination.

[0052] In some specific embodiments, the planetary gear 34 includes a plurality of planetary gears 341 and a planetary gear carrier 342; wherein the planetary gears 341 are circumferentially arranged along the gear shaft at the bottom of the sun gear 33, and the teeth of the planetary gears 341 mesh with the teeth of the gear shaft; the plurality of planetary gears 341 are arranged in the planetary gear carrier 342, and the planetary gear carrier 342 is hollowed out around, and the planetary gears 341 mesh with the secondary inner gear ring 36 through the hollowed out parts during passive rotation.

[0053] Under the action of the rotational driving force of the input shaft 32 and the sun gear 33, the multiple planetary gears 341 rotate around the sun gear 33 at the same time, and jointly bear and transmit the output power of the drive motor 2; the rotation speed of the sun gear 33 is higher than the speed of the planetary gear 341 revolving around the sun gear 33, and the amount of deceleration is determined by the gear ratio of the planetary gear 341 to the sun gear 33. Generally, after the design of the outer shell 31 is completed, the gear size of the planetary gear 341 generally remains unchanged, and the gear of the sun gear 33 generally does not change, but the number of planetary gears in the planetary gear can be changed accordingly, that is, the final deceleration depends on the number of planetary gears 341, and the more the number of planetary gears 341, the better the deceleration effect.

[0054] like Figure 4 As shown, the revolving body 4 includes a revolving disk 41, an outer gear 42 and a central gear 43; the revolving disk 41 is fixed to the outer gear 42, a circle of outer gears 42 are arranged inside the revolving disk 41, and a central gear 43 is arranged at the center of the outer gear 42; the outer gear 42 and the central gear 43 are not on the same horizontal line, the central gear 43 is lower than the outer gear 42, and the diameter of the central gear 43 is smaller than the diameter of the outer gear 42; the driving motor 2 and the primary reduction mechanism 3 are arranged inside the outer gear 42, the inner teeth on the inner wall of the outer gear 42 are in contact with the primary reduction mechanism 3, and the primary reduction mechanism 3 drives the outer gear 42 to rotate;

[0055] The center gear 43 is an external tooth type cross roller slewing bearing, and the center gear 43 includes an inner ring 431 and an outer ring 432; the inner ring 431 is fixed to the outer gear 42 by screws, and when the outer gear 42 revolves around the central axis of the mixer, the inner ring 431 is also driven to rotate by the outer gear 42; the outer ring 432 is installed on the inner ring 431 through internal balls, and the outer teeth of the outer ring 432 of the center gear 43 are meshed with the first ring gear on the upper part of the stirring component 5.

[0056] When working, the outer gear 42 drives the inner ring 431 of the revolving disk 41 and the central gear 43 to rotate under the power of the driving motor and the primary reduction mechanism 3, and the lower part of the outer gear 42 is fixed to the outer shell of the stirring component 5, thereby driving the central axis of the stirring component 5 to revolve at the same time;

[0057] The internal ball installation of the center gear 43 ensures that the outer ring 432 will not separate from the inner ring 431, but will not be completely fixed to the inner ring 431, so that the rotation of the inner ring 431 will not affect the outer ring 432. Therefore, at this time, the outer ring 432 does not rotate and is stationary relative to the inner ring 4; the ball rubs against both the outer ring 432 and the inner ring 431, and this friction has a certain speed-reducing effect on the rotation speed.

[0058] At the same time, the stirring component 5 starts to rotate, and the central gear 43 does not move at this time, and the two produce relative motion. The force brought by the relative motion causes the first ring gear of the stirring component 5 to rotate, thereby causing the stirring component 5 to rotate; thereby realizing the revolution and rotation of the stirring component 5, so that the stirring component 5 can fully stir the stirring material; the outer ring 432 of the central gear 43 can mesh with multiple stirring components 5, and the diameter of the first ring gear of the stirring component 5 is less than the diameter of the outer ring 432. The outer ring 432 is regarded as the driven sun gear in the planetary reduction structure, and the multiple stirring components 5 are the planetary gears of the active parts. Therefore, the central gear 43 and the multiple stirring components 5 constitute a planetary reduction structure, achieving another level of reduction effect.

[0059] Generally, the reduction ratio (initial speed: speed after reduction) of a planetary reduction mechanism with a single-stage reduction gear set is usually between 3 and 10; however, the reduction ratio required for a new vertical shaft stirring mechanism exceeds 10; in this case, the number of planetary gears 341 is generally increased, but in this way the reduction ratio can be made 10. For this reason, the present embodiment adopts an improved revolving body 4 as a two-stage reduction mechanism, and uses a two-stage planetary gear set to reduce the speed to achieve the required reduction ratio of more than 10 for the new vertical shaft stirring machine; at the same time, the revolving body 4, without losing its original function of driving the stirring component to orbit and rotate, can also be used as a two-stage reduction mechanism to improve the stability and reliability of the stirring machine, reduce equipment failures and maintenance costs; and for stirring applications that require higher torque and lower speed for high-viscosity stirring materials, a two-stage reduction mechanism can be provided to achieve a more excellent stirring effect.

[0060] The utility model is provided with a primary reduction mechanism and a revolution body in order to increase the torque and stability of the mixer at the same time; specifically, a. the high speed of the driving motor 2 is reduced to the working speed required by the mixer by the gear setting inside the primary reduction mechanism 3; by reducing the speed, the torque of the revolution body can be increased, so that the direction of rotation of the stirring component is more smooth under the overall driving revolution, and the uniformity and efficiency of the stirring are improved; in addition, the primary reduction mechanism 3 can also play a role in overload protection. When the mixer encounters large resistance or jamming, the current and speed of the driving motor 2 will increase, and the primary reducer can play a buffering role to protect the motor from damage; b. The revolution body 4 further reduces the speed and increases the torque on the basis of the primary reduction mechanism 3. The revolution body 4 is directly connected to the stirring component 5, and the power is transmitted to the stirring component 5 through a series of gear transmissions, driving the stirring component 5 to revolve and rotate, and adjusting the speed at the same time, so that the stirring component 5 can work at a lower speed, which can make the stirring more uniform and increase the fineness of the stirring; at the same time, the reduction in speed helps to reduce the vibration of the mixer and improve the stability and reliability of the operation of the mixer.

[0061] The above embodiments only express the preferred implementation modes, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model.

Claims

1. A vertical shaft mixer with a multi-stage reduction mechanism, comprising a mixer frame (1), a drive motor (2), and a stirring component (5), wherein the drive motor (2) is arranged on the top of the mixer frame (1), and the stirring component (5) is arranged inside the mixer frame (1), characterized in that: Also includes: A primary reduction mechanism (3) and a revolution body (4); The driving motor (2) and the primary reduction mechanism (3) are arranged on the top of the mixer frame (1); the driving motor (2) is connected to the primary reduction mechanism (3) below; and there are more than one driving motor (2) and primary reduction mechanism (3), which are symmetrically arranged on the top of the mixer frame (1); The bottom of the primary reduction mechanism (3) is connected to the revolving body (4), and the driving motor (2) drives the primary reduction mechanism (3) to rotate, transmits the power of the motor to the revolving body (4), and drives the revolving body (4) to rotate; The lower part of the revolving body (4) is circumferentially connected to one or more stirring components (5); the revolving body (4) transmits power to the stirring components (5) through a gear transmission device to drive the stirring components (5) to revolve around the central axis of the mixer, while realizing the self-rotation of the stirring components (5); the revolving body (4) and the plurality of stirring components (5) form a planetary reduction structure; The primary speed reduction mechanism (3), the revolution body (4) and the stirring component (5) cooperate with each other to form a multi-stage speed reduction mechanism.

2. The vertical shaft mixer with multi-stage reduction mechanism according to claim 1, characterized in that: The primary reduction mechanism (3) comprises an outer shell (31), an output shaft (32), a sun gear (33), planetary gears (34), a primary inner gear ring (35), a secondary inner gear ring (36), a reduction motor (37) and an output gear (38); The output shaft (32), the sun gear (33) and the planetary gear (34) are sequentially mounted in the outer shell (31); the primary inner gear ring (35) is arranged along the inner wall of the outer shell (31), and the primary inner gear ring (35) and the gear of the sun gear (33) are in the same horizontal plane; the secondary inner gear ring (36) is arranged along the inner wall of the outer shell (31), and the secondary inner gear ring (36) and the gear of the planetary gear (34) are in the same horizontal plane; The output shaft (32) is connected to the driving motor (2) through a key transmission; a sun gear (33) is sleeved on the lower part of the output shaft (32); a gear shaft is provided at the bottom of the sun gear (33), and a planetary gear (34) is sleeved on the gear shaft; the bottom of the planetary gear (34) is connected to the reduction motor (37) through a bearing; The reduction motor (37) is externally sleeved with an output gear (38), and the output gear (38) meshes with the gear of the revolving body (4).

3. The vertical shaft mixer with multi-stage reduction mechanism according to claim 2, characterized in that: The sun gear (33) has a gear sleeved on the output shaft, and a retaining ring is arranged along the outside of the gear; a gear shaft is arranged at the bottom of the retaining ring, and the gear of the gear shaft meshes with the gear of the planetary gear (34).

4. The vertical shaft mixer with multi-stage reduction mechanism according to claim 2, characterized in that: The planetary gear (34) includes a plurality of planetary gears (341) and a planetary gear carrier (342); The planetary gears (341) are arranged along the circumference of the gear shaft at the bottom of the sun gear (33), and the teeth of the planetary gears (341) mesh with the teeth of the gear shaft; the plurality of planetary gears (341) are arranged in a planetary gear carrier (342), and the planetary gear carrier (342) is provided with hollows around it. The planetary gears (341) mesh with the secondary inner gear ring (36) through the hollows during passive rotation.

5. The vertical shaft mixer with multi-stage speed reduction mechanism according to claim 1, characterized in that: The revolving body (4) comprises a revolving disk (41), an external gear (42) and a central gear (43); The revolving disk (41) is fixed to the external gear (42); the external gear (42) is arranged inside the revolving disk (41); a central gear (43) is arranged at the center of the external gear (42); the central gear (43) is fixed to the external gear (42); the external gear (42) and the central gear (43) are not on the same horizontal line; the central gear (43) is lower than the external gear (42); and the diameter of the central gear (43) is smaller than the diameter of the external gear (42); The external gear (42) is meshed with the bottom of the primary reduction mechanism (3), and the lower part of the external gear (42) is fixed to the outer shell of the stirring component (5); when the primary reduction mechanism (3) drives the external gear (42) to rotate, the stirring component (5) rotates following the external gear (42); The central gear (43) meshes with the first ring gear on the upper part of the stirring member (5).

6. The vertical shaft mixer with multi-stage speed reduction mechanism according to claim 5, characterized in that: The central gear (43) comprises an inner ring (431) and an outer ring (432), and the central gear (43) is an external tooth type cross roller slewing bearing; The inner ring (431) is fixed to the outer gear (42) via lower screws, and the outer ring (432) is mounted on the inner ring (431) via internal balls.

Images