A planetary mixer with quick-change stirring paddle

Abstract

The utility model relates to the technical field of mixer, concretely relates to a kind of planetary mixer with quick-change stirring paddle, including base, rack and equipment shell;Rack is vertically arranged on base, and equipment shell is horizontally arranged on the top end of rack;It further includes: bearing frame, which is liftable and arranged on rack;Stirring tank, which is detachably installed on bearing frame;Lifting mechanism, which is arranged in rack, is used to drive bearing frame bearing stirring tank to carry out lifting movement;The lifting mechanism of screw rod sliding rail combination realizes the stable and accurate positioning of stirring tank, and independent motor and transmission assembly are used to drive compact integrated planetary gear system and main shaft respectively, to ensure the independent efficient control of revolution and rotation movement and the complex and thorough planetary stirring effect, and the quick-release connecting structure with anti-rotation function is innovatively applied to the end of stirring paddle, so that the equipment obtains unprecedented maintenance convenience on the basis of ensuring the reliability of power transmission.

Description

Technical Field

[0001] This utility model relates to the field of mixer technology, specifically a planetary mixer with a quick-change mixing blade. Background Technology

[0002] Mixers are one of the core pieces of equipment in industrial production. By generating forced convection within a container, they enable the mixing, mass transfer, heat transfer, or reaction processes of materials. Their significance lies in ensuring the high uniformity and stability of materials in large-scale production, which directly affects the quality, efficiency, and cost of the final product. Whether it is polymerization reactions in the chemical industry, raw material preparation in the food industry, precise synthesis in pharmaceutical processes, or wastewater treatment in the environmental protection industry, all rely on the efficient operation of mixers. They are an indispensable basic equipment for achieving continuous and automated production in many modern chemical, energy, and materials industries.

[0003] Mixers have a profound impact on improving the overall level of industrial manufacturing, but they still have certain problems: 1) Traditional mixers have insufficient mixing dead zones and mixing uniformity, and the lifting mechanism of the mixing tank is complex and has poor stability; 2) The transmission system is bulky and the motion control is inflexible; 3) The mixing blades are inconvenient to disassemble and assemble, and the maintenance efficiency is low. Therefore, in view of the above situation, there is an urgent need to develop a planetary mixer with quick-change mixing blades to overcome the shortcomings in current practical applications and meet current needs. Utility Model Content

[0004] The purpose of this invention is to provide a planetary mixer with a quick-change impeller to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a planetary mixer with a quick-change impeller, comprising a base, a frame, and a housing; the frame is vertically mounted on the base, and the housing is horizontally mounted on the top of the frame; further comprising:

[0006] The support frame is liftably mounted on the machine frame;

[0007] A mixing tank, which is detachably mounted on a support frame;

[0008] The lifting mechanism, which is installed inside the frame, is used to drive the support frame that carries the mixing tank to move up and down;

[0009] The first drive mechanism is mounted on the frame;

[0010] The second drive mechanism is mounted on the equipment housing;

[0011] A planetary mixing mechanism with quick-change impeller is located below the head of the equipment housing and corresponds to the position of the mixing tank; the planetary mixing mechanism with quick-change impeller includes at least one first impeller driven by a first drive mechanism to perform planetary motion, and a second impeller driven by a second drive mechanism to perform rotational motion.

[0012] The ends of the first and / or second agitators are provided with quick-release connection structures, and the first and / or second agitators are connected to their respective drive ends through the quick-release connection structures.

[0013] Specifically, the liftable support frame facilitates the loading, unloading, and positioning of the mixing tank. The planetary mixing mechanism with quick-change impellers combines a first impeller driven by a first drive mechanism and a second impeller driven by a second drive mechanism to achieve complex and efficient planetary mixing motion, significantly improving the mixing effect and efficiency. At the same time, quick-release connection structures are provided at the ends of the first and / or second impellers, making the disassembly, replacement, and maintenance of the impellers extremely convenient, greatly reducing equipment maintenance costs and time.

[0014] Preferably, the lifting mechanism includes:

[0015] The first motor is fixed inside the frame;

[0016] The lead screw structure is connected to the output end of the first motor and is driven to rotate by the first motor.

[0017] The slide rail is fixed to the outer wall of the frame;

[0018] The slider, which slides in conjunction with the slide rail;

[0019] The support frame is fixedly connected to the slider and is also connected to the threaded pair of the lead screw structure, which drives the slider to move up and down along the slide rail.

[0020] Specifically, the first motor drives the lead screw structure to rotate, which in turn drives the support frame connected to the threaded pair to rise and fall smoothly along the slide rail fixed to the outer wall of the frame. Its advantage is that the drive component is built-in to save space. At the same time, the combination of lead screw, slide rail and slider realizes the smooth, precise and strong vertical lifting movement of the support frame and the mixing tank, ensuring the accuracy and reliability of the docking between the mixing tank and the upper mixing mechanism.

[0021] Preferably, the planetary agitator with quick-change impellers includes:

[0022] The outer casing is fixed to the lower part of the head of the equipment housing;

[0023] A planetary gear train is housed within the head and outer shell of the equipment housing; the input end of the planetary gear train is connected to the first drive mechanism, and its revolution output end is connected to the first agitator.

[0024] The main shaft is located at the center of the planetary gear system; the input end of the main shaft is connected to the second drive mechanism, and its output end is connected to the second agitator.

[0025] Specifically, by housing the planetary gear system within the equipment housing and outer shell, and inserting the main shaft through its center, a high degree of integration of the drive and transmission system is achieved, resulting in a very compact structure that effectively utilizes the space at the head of the equipment. Furthermore, the planetary gear system converts the input of the first drive mechanism into the revolution motion of the first agitator, while the main shaft independently transmits the power of the second drive mechanism to drive the rotation of the second agitator. Thus, a complex and efficient planetary agitation motion is achieved with a highly integrated modular mechanism, ensuring the smoothness and reliability of the transmission.

[0026] Preferably, the first drive mechanism is a second motor, and a first transmission component is provided between the second motor and the planetary gear system. The second motor is connected to the gear ring of the planetary gear system through the first transmission component. The second drive mechanism is a third motor, and a second transmission component is provided between the third motor and the main shaft. The third motor is connected to the input end of the main shaft through the second transmission component.

[0027] Specifically, the first drive mechanism is concretized as a second motor that drives the ring gear of the planetary gear system through the first transmission component, while the second drive mechanism is concretized as a third motor that independently drives the main shaft through the second transmission component. The beneficial effect is that it provides independent power sources and transmission paths for the two motion systems of the first stirring paddle revolution and the second stirring paddle rotation, respectively, realizing complete decoupling and independent control of the two motions. This not only makes speed adjustment more flexible and precise to adapt to different process requirements, but also avoids the complex clutch or speed change mechanism required when using a single motor, significantly simplifying the mechanical structure and improving transmission efficiency and control reliability.

[0028] Preferably, the first transmission component and / or the second transmission component is a belt drive mechanism, a chain drive mechanism, or a gear drive mechanism.

[0029] Preferably, the quick-release connection structure includes:

[0030] A connecting shaft is used to connect to the drive end; the end of the connecting shaft is provided with a mating groove, and its side wall is provided with at least one ball groove communicating with the mating groove; the ball is movably disposed in the ball groove.

[0031] A locking sleeve is axially movable and fitted onto the outside of the connecting shaft; the inner wall of the locking sleeve is provided with an inwardly protruding boss.

[0032] An elastic element provides a biasing force to the locking sleeve to maintain the locked position;

[0033] The docking shaft is fixedly connected to the stirring blade; the end of the docking shaft can be inserted into the docking slot, and its side wall is provided with a groove that matches the ball bearing.

[0034] When the mating shaft is inserted into the mating slot and the locking sleeve is in the locked position, the boss presses the ball bearing into the groove, thus achieving connection locking.

[0035] Specifically, the quick-release connection structure, through the ingenious cooperation of the connecting shaft, ball bearings, locking sleeve, and docking shaft, achieves the instant locking of the agitator paddle with the help of elastic elements. This extends the flexibility of this transmission design to the maintenance end of the equipment, enabling the first and second agitators to be quickly disassembled and assembled without tools, regardless of the transmission method used. This greatly simplifies the replacement, cleaning, and maintenance process, thereby improving the adaptability, reliability, and maintenance efficiency of the entire machine.

[0036] Preferably, a limiting groove is provided on the inner wall of the docking slot, and a locking block adapted to the limiting groove is provided at the end of the docking shaft to prevent circumferential rotation.

[0037] Specifically, by setting a limiting groove on the inner wall of the docking slot and setting a matching locking block at the end of the docking shaft, when the docking shaft is inserted into the connecting shaft, the engagement of the locking block and the limiting groove can effectively prevent the agitator from rotating relative to the drive end during operation, completely eliminating the possibility of fretting wear at the connection. This upgrades the connection with the quick-release structure from a simple axial locking to a reliable connection with torque transmission function. While ensuring convenient disassembly and assembly, it greatly enhances the reliability and stability of power transmission and extends the service life of the quick-release structure.

[0038] Preferably, a retaining ring is also fixedly provided on the outer wall of the connecting shaft, and the elastic element is a compression spring, which is disposed between the retaining ring and the boss.

[0039] Preferably, the elastic element is a compression spring, which is always in a pre-compressed state.

[0040] Preferably, there are two or more first stirring paddles, which are evenly arranged around the second stirring paddle in a circumferential manner.

[0041] Compared with the prior art, this utility model provides a planetary mixer with a quick-change impeller, which has the following advantages:

[0042] The lifting mechanism, which combines a screw and a slide rail, enables stable and precise positioning of the mixing tank. Independent motors and transmission components drive the compactly integrated planetary gear system and main shaft, ensuring independent and efficient control of the revolution and rotation motions and a complex and thorough planetary mixing effect. At the same time, an innovative quick-release connection structure with anti-rotation function is applied to the end of the mixing paddle, which makes the equipment more convenient to maintain while ensuring reliable power transmission, thus comprehensively improving the mixing performance and operating efficiency of the equipment. Attached Figure Description

[0043] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0044] Figure 1 This is a side longitudinal sectional view of the entire utility model;

[0045] Figure 2 This is an overall side view of the present invention;

[0046] Figure 3 This is a top view of the entire utility model;

[0047] Figure 4 This is a schematic diagram showing the positional relationship between the quick-release connection structure and the first stirring blade of this utility model;

[0048] Figure 5 This is one of the partial cross-sectional views of the quick-release connection structure of this utility model;

[0049] Figure 6 This is the second partial cross-sectional view of the quick-release connection structure of this utility model.

[0050] In the diagram: 10, base; 20, frame; 30, equipment housing; 40, lifting mechanism; 410, first motor; 420, lead screw structure; 430, slide rail; 440, slider; 450, threaded pair; 50, mixing tank; 60, support frame; 70, first drive mechanism; 710, second motor; 720, first transmission assembly; 80, second drive mechanism; 810, third motor; 820, second transmission assembly; 90, with quick-change mixing paddle. Planetary stirring mechanism; 910, First stirring paddle; 920, Second stirring paddle; 930, Housing; 940, Planetary gear system; 950, Main shaft; 100, Quick-release connection structure; 110, Connecting shaft; 111, Docking groove; 112, Ball groove; 113, Ball; 114, Limiting groove; 115, Retaining ring; 120, Locking sleeve; 121, Boss; 130, Elastic element; 140, Docking shaft; 141, Groove; 142, Locking block. Detailed Implementation

[0051] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0052] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0053] Example:

[0054] Please see Figures 1-6 This utility model provides a technical solution: a planetary mixer with a quick-change impeller, including a base 10, a frame 20, and a housing 30; the frame 20 is vertically mounted on the base 10, and the housing 30 is horizontally mounted on the top of the frame 20; it also includes:

[0055] The support frame 60 is liftably mounted on the frame 20;

[0056] A mixing tank 50 is detachably mounted on a support frame 60;

[0057] The lifting mechanism 40 is installed inside the frame 20 and is used to drive the support frame 60 that carries the mixing tank 50 to move up and down.

[0058] The first drive mechanism 70 is mounted on the frame 20;

[0059] The second drive mechanism 80 is disposed on the equipment housing 30;

[0060] The planetary stirring mechanism 90 with quick-change stirring paddle is located below the head of the equipment housing 30 and corresponds to the position of the stirring tank 50. The planetary stirring mechanism 90 with quick-change stirring paddle includes at least one first stirring paddle 910 driven by a first drive mechanism 70 to perform planetary motion, and a second stirring paddle 920 driven by a second drive mechanism 80 to perform rotational motion.

[0061] The ends of the first stirring paddle 910 and / or the second stirring paddle 920 are provided with quick-release connection structures 100, and the first stirring paddle 910 and / or the second stirring paddle 920 are connected to their respective drive ends through the quick-release connection structures 100.

[0062] Specifically, the liftable support frame 60 facilitates the loading, unloading, and positioning of the mixing tank 50. The planetary mixing mechanism 90 with quick-change mixing blades combines the first mixing blade 910 driven by the first drive mechanism 70 and the second mixing blade 920 driven by the second drive mechanism 80 to achieve complex and efficient planetary mixing motion, significantly improving the mixing effect and efficiency. At the same time, quick-release connection structures 100 are provided at the ends of the first mixing blade 910 and / or the second mixing blade 920, making the disassembly, replacement, and maintenance of the mixing blades extremely convenient, greatly reducing equipment maintenance costs and time.

[0063] Preferably, the lifting mechanism 40 includes:

[0064] The first motor 410 is fixed inside the frame 20;

[0065] The lead screw structure 420 is connected to the output end of the first motor 410 and is driven to rotate by the first motor 410;

[0066] The slide rail 430 is fixed to the outer wall of the frame 20;

[0067] Slider 440, which slides in conjunction with slide rail 430;

[0068] The support frame 60 is fixedly connected to the slider 440 and connected to the threaded pair 450 of the lead screw structure 420, and is driven by the lead screw structure 420 to rise and fall along the slide rail 430.

[0069] Specifically, the first motor 410 drives the lead screw structure 420 to rotate, which in turn drives the support frame 60 connected to the threaded pair 450 to rise and fall smoothly along the slide rail 430 fixed to the outer wall of the frame 20. The advantage is that the drive component is built-in to save space. At the same time, the combination of the lead screw 420, slide rail 430 and slider 440 realizes the smooth, precise and strong vertical lifting movement of the support frame 60 and the mixing tank 50, ensuring the accuracy and reliability of the docking between the mixing tank 50 and the upper mixing mechanism 90.

[0070] Preferably, the planetary mixing mechanism 90 with quick-change impellers includes:

[0071] The outer casing 930 is fixed below the head of the device housing 30;

[0072] Planetary gear train 940 is housed within the head and outer shell 930 of the equipment housing 30; the input end of the planetary gear train 940 is connected to the first drive mechanism 70, and its revolution output end is connected to the first agitator 910.

[0073] The main shaft 950 is located at the center of the planetary gear system 940; the input end of the main shaft 950 is connected to the second drive mechanism 80, and its output end is connected to the second agitator 920.

[0074] Specifically, by housing the planetary gear train 940 within the equipment housing 30 and the outer casing 930, and inserting the main shaft 950 through its center, a high degree of integration of the drive and transmission system is achieved, resulting in a very compact structure that effectively utilizes the space at the head of the equipment. Furthermore, the planetary gear train 940 converts the input of the first drive mechanism 70 into the revolution motion of the first agitator 910, while the main shaft 950 independently transmits the power of the second drive mechanism 80 to drive the rotation of the second agitator 920. Thus, a complex and efficient planetary agitation motion is achieved with a highly integrated modular mechanism, ensuring the smoothness and reliability of the transmission.

[0075] Preferably, the first drive mechanism 70 is a second motor 710, and a first transmission component 720 is provided between the second motor 710 and the planetary gear system 940. The second motor 710 is connected to the gear ring of the planetary gear system 940 through the first transmission component 720. The second drive mechanism 80 is a third motor 810, and a second transmission component 820 is provided between the third motor 810 and the main shaft 950. The third motor 810 is connected to the input end of the main shaft 950 through the second transmission component 820.

[0076] Specifically, the first drive mechanism 70 is embodied as the second motor 710, which drives the ring gear of the planetary gear system 940 through the first transmission component 720. At the same time, the second drive mechanism 80 is embodied as the third motor 810, which independently drives the main shaft 950 through the second transmission component 820. The beneficial effect is that it provides independent power sources and transmission paths for the two motion systems of the first stirring paddle 910 revolution and the second stirring paddle 920 rotation, respectively, realizing complete decoupling and independent control of the two motions. This not only makes speed adjustment more flexible and precise to adapt to different process requirements, but also avoids the complex clutch or speed change mechanism required when using a single motor, significantly simplifying the mechanical structure and improving transmission efficiency and control reliability.

[0077] Preferably, the first transmission component 720 and / or the second transmission component 820 are belt drive mechanisms, chain drive mechanisms, or gear drive mechanisms.

[0078] Preferably, the quick-release connection structure 100 includes:

[0079] A connecting shaft 110 is used to connect to a drive end; the end of the connecting shaft 110 is provided with a mating groove 111, and its side wall is provided with at least one ball groove 112 communicating with the mating groove 111; a ball 113 is movably disposed in the ball groove 112.

[0080] A locking sleeve 120 is axially movable and sleeved on the outside of the connecting shaft 110; the inner wall of the locking sleeve 120 is provided with an inwardly protruding boss 121.

[0081] The elastic element 130 provides a biasing force to the locking sleeve 120 to maintain the locked position;

[0082] The docking shaft 140 is fixedly connected to the stirring blade; the end of the docking shaft 140 can be inserted into the docking slot 111, and its side wall is provided with a groove 141 that matches the ball 113.

[0083] When the docking shaft 140 is inserted into the docking slot 111 and the locking sleeve 120 is in the locked position, the boss 121 presses the ball 113 into the groove 141, thereby achieving connection locking.

[0084] Specifically, the quick-release connection structure 100, through the ingenious cooperation of the connecting shaft 110, ball bearings 113, locking sleeve 120 and docking shaft 140, achieves the instant locking of the stirring paddle under the action of the elastic element 130. This extends the flexibility of this transmission design to the maintenance end of the equipment, so that the first stirring paddle 910 and the second stirring paddle 920 can be quickly disassembled and assembled without tools, regardless of the transmission method used. This greatly simplifies the replacement, cleaning and maintenance process, thereby improving the adaptability, reliability and maintenance efficiency of the whole machine.

[0085] Preferably, the inner wall of the docking slot 111 is provided with a limiting groove 114, and the end of the docking shaft 140 is provided with a locking block 142 that is adapted to the limiting groove 114 to prevent circumferential rotation.

[0086] Specifically, by setting a limiting groove 114 on the inner wall of the docking slot 111 and setting a matching locking block 142 at the end of the docking shaft 140, when the docking shaft 140 is inserted into the connecting shaft 110, the engagement of the locking block 142 and the limiting groove 114 can effectively prevent the agitator from rotating relative to the drive end during operation, completely eliminating the possibility of fretting wear at the connection point. This upgrades the connection with the quick-release structure 100 from a simple axial locking to a reliable connection with torque transmission function. While ensuring convenient disassembly and assembly, it greatly enhances the reliability and stability of power transmission and extends the service life of the quick-release structure.

[0087] Preferably, a retaining ring 115 is also fixedly provided on the outer wall of the connecting shaft 110, and the elastic element 130 is a compression spring, which is disposed between the retaining ring 115 and the boss 121.

[0088] Preferably, the elastic element 130 is a compression spring, which is always in a pre-compressed state.

[0089] Preferably, there are two or more first stirring paddles 910, which are evenly arranged around the second stirring paddle 920.

[0090] Working principle: During operation, the first motor 410 of the lifting mechanism 40 drives the lead screw structure 420 to rotate, which in turn drives the support frame 60 and the mixing tank 50 connected to it via the threaded pair 450 and the slider 440 to rise along the slide rail 430, so that the opening of the mixing tank 50 approaches the planetary mixing mechanism 90 with the quick-change mixing paddle; then, the second motor 710 drives the gear ring of the planetary gear system 940 through the first transmission component 720, which drives the first mixing paddle 910 to revolve, while the third motor 810 drives the main shaft 950 through the second transmission component 820, which drives the second mixing paddle 920 to rotate, thereby realizing complex planetary mixing; after mixing is completed, the mixing tank 50 descends. When it is necessary to replace or clean the mixing paddle, the locking sleeve 120 of the quick-release connection structure 100 can be directly operated to overcome the force of the elastic element 130 and move backward, so that the ball 113 releases the lock on the mating shaft 140, and the first mixing paddle 910 or the second mixing paddle 920 can be quickly removed.

[0091] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes the element.

Claims

1. A planetary mixer with a quick-change impeller, comprising a base (10), a frame (20), and a housing (30); the frame (20) is vertically mounted on the base (10), and the housing (30) is horizontally mounted on the top of the frame (20); characterized in that, Also includes: The support frame (60) is vertically and vertically mounted on the frame (20); A mixing tank (50) is detachably mounted on the support frame (60); A lifting mechanism (40) is provided inside the frame (20) for driving the support frame (60) that carries the mixing tank (50) to move up and down; A first drive mechanism (70) is mounted on the frame (20); The second drive mechanism (80) is disposed on the device housing (30); A planetary stirring mechanism (90) with quick-change stirring paddles is disposed below the head of the equipment housing (30) and corresponds to the position of the stirring tank (50); the planetary stirring mechanism (90) with quick-change stirring paddles includes at least one first stirring paddle (910) driven by the first drive mechanism (70) to perform planetary motion, and a second stirring paddle (920) driven by the second drive mechanism (80) to perform rotational motion. The ends of the first stirring paddle (910) and / or the second stirring paddle (920) are provided with quick-release connection structures (100), and the first stirring paddle (910) and / or the second stirring paddle (920) are connected to their respective drive ends through the quick-release connection structures (100).

2. A planetary mixer with a quick-change impeller according to claim 1, characterized in that: The lifting mechanism (40) includes: The first motor (410) is fixed inside the frame (20); A lead screw structure (420) is connected to the output end of the first motor (410) and is driven to rotate by the first motor (410); A slide rail (430) is fixed to the outer wall of the frame (20); A slider (440) that slides in conjunction with the slide rail (430); The support frame (60) is fixedly connected to the slider (440) and connected to the threaded pair (450) of the lead screw structure (420), and is driven by the lead screw structure (420) to move up and down along the slide rail (430).

3. A planetary mixer with a quick-change impeller according to claim 1, characterized in that: The planetary stirring mechanism (90) with quick-change impeller includes: The outer casing (930) is fixed below the head of the device housing (30); A planetary gear train (940) is housed in the head of the device housing (30) and the outer shell (930); the input end of the planetary gear train (940) is connected to the first drive mechanism (70), and its revolution output end is connected to the first stirring paddle (910); A main shaft (950) is inserted through the center of the planetary gear system (940); the input end of the main shaft (950) is connected to the second drive mechanism (80), and its output end is connected to the second agitator (920).

4. A planetary mixer with a quick-change impeller according to claim 3, characterized in that: The first drive mechanism (70) is a second motor (710), and a first transmission component (720) is provided between the second motor (710) and the planetary gear system (940). The second motor (710) is connected to the gear ring of the planetary gear system (940) through the first transmission component (720). The second drive mechanism (80) is a third motor (810), and a second transmission component (820) is provided between the third motor (810) and the main shaft (950). The third motor (810) is connected to the input end of the main shaft (950) through the second transmission component (820).

5. A planetary mixer with a quick-change impeller according to claim 4, characterized in that: The first transmission assembly (720) and / or the second transmission assembly (820) are belt drive mechanisms, chain drive mechanisms or gear drive mechanisms.

6. A planetary mixer with a quick-change impeller according to any one of claims 1 to 5, characterized in that: The quick-release connection structure (100) includes: A connecting shaft (110) is used to connect to the drive end; the end of the connecting shaft (110) is provided with a docking slot (111), and its side wall is provided with at least one ball groove (112) communicating with the docking slot (111); a ball (113) is movably disposed in the ball groove (112); A locking sleeve (120) is axially movable and sleeved on the outside of the connecting shaft (110); the inner wall of the locking sleeve (120) is provided with an inwardly protruding boss (121). An elastic element (130) provides a biasing force to the locking sleeve (120) to maintain the locked position; A docking shaft (140) is fixedly connected to the stirring blade; the end of the docking shaft (140) can be inserted into the docking slot (111), and its side wall is provided with a groove (141) that matches the ball (113). When the docking shaft (140) is inserted into the docking slot (111) and the locking sleeve (120) is in the locked position, the boss (121) presses the ball (113) into the groove (141) to achieve connection locking.

7. A planetary mixer with a quick-change impeller according to claim 6, characterized in that: The inner wall of the docking slot (111) is provided with a limiting groove (114), and the end of the docking shaft (140) is provided with a locking block (142) that is adapted to the limiting groove (114) to prevent circumferential rotation.

8. A planetary mixer with a quick-change impeller according to claim 6, characterized in that: The outer wall of the connecting shaft (110) is also fixedly provided with a retaining ring (115), and the elastic element (130) is a compression spring, which is disposed between the retaining ring (115) and the boss (121).

9. A planetary mixer with a quick-change impeller according to claim 6, characterized in that: The elastic element (130) is a compression spring, which is always in a pre-compressed state.

10. A planetary mixer with a quick-change impeller according to claim 6, characterized in that: The number of the first stirring paddles (910) is two or more, and they are evenly arranged around the second stirring paddle (920) in a circumferential direction.

Images