Multi-mode mixer

Abstract

The invention discloses a multi-mode mixer, and belongs to the field of mixing and stirring devices. The multi-mode mixer comprises a rack, a charging barrel, a main shaft, a stirring assembly, a charging barrel driving mechanism, a first transmission gear, a second transmission gear, a stirring driving mechanism and a mode switching mechanism, the first transmission gear and the main shaft are coaxially arranged, and the second transmission gear is installed on a stirring shaft of the stirring assembly; the second transmission gear is meshed with the first transmission gear, the stirring driving mechanism is in transmission connection with the first transmission gear, and the mode switching mechanism acts on the first transmission gear and has a locking state and a releasing state for the first transmission gear. Working state switching of the stirring assembly is achieved through the mode switching mechanism, so that the stirring assembly can rotate and stir along with rotation of the charging barrel and can also rotate and stir autonomously, multiple mixing modes are achieved, different mixing modes can be flexibly selected according to material characteristics and mixing requirements, the material mixing efficiency is greatly improved, and the material mixing efficiency is improved. During unloading, the rotation of the stirring mechanism can be used for assisting in unloading, so that the unloading operation convenience is improved; meanwhile, the multi-mode mixer has the advantages of being compact in structure, stable in operation, wide in material application range, good in material mixing matching performance, energy-saving, environment-friendly and the like.

Description

Technical Field

[0001] The present invention relates to a mixer, and more particularly to a multi-mode mixer. Background Art

[0002] A mixer is a mechanical device used to mix materials. It is widely used in the chemical, metallurgical, pharmaceutical, and food industries. Common mixers are classified according to their working methods into stirring mixers, barrel rolling mixers, and dual-motion mixers. A stirring mixer has a stirring mechanism installed in the barrel. The barrel does not rotate. The materials in the barrel are mixed by the rotation of the stirring mechanism. It has a high mixing efficiency, but there are dead angles for mixing, especially at the bottom and sides of the barrel. The mixing uniformity is relatively low. It is generally used in occasions where the dispersion of materials is not required to be high, such as the feed and building materials industries. A barrel rolling mixer uses an irregular barrel to rotate around the rotating axis. There is no stirring mechanism in the barrel. The rotation of the barrel is used to drive the materials in it to collide and convection to achieve mixing. There is no dead angle for mixing during the mixing process, but the mixing time is long and the mixing efficiency is low. The double-motion mixer combines the advantages of the stirring mixer and the barrel rolling mixer. It is equipped with a stirring mechanism in the barrel, and the barrel also rotates, which eliminates the mixing dead angle and improves the mixing efficiency.

[0003] At present, the transmission structure of the double-motion mixer is mostly realized by bevel gears, that is, a fixed bevel gear is coaxially arranged on the rotating axis of the barrel, and another bevel gear is fixed at one end of the stirring shaft of the stirring mechanism, and the two bevel gears are meshed with each other. When the barrel is driven to rotate by the power mechanism, the stirring shaft revolves around the barrel rotating axis together in the barrel, and at the same time, the bevel gear on the stirring shaft rotates around the fixed bevel gear while rotating itself, that is, driving the stirring mechanism to rotate, forming a dual mixing motion of barrel rotation and stirring mechanism stirring. The specific structural principle of this type of double-motion mixer can refer to the Chinese patent No. ZL200920089568.X, which is named "Dual-motion Rotary Drum Mixing Machine" (authorization announcement date January 13, 2010) and the Chinese patent application No. 201410816967.7, which is named "Equipment and process for superimposing and mixing materials using two sets of motion mechanisms" (application publication date April 22, 2015), etc.

[0004] However, the above-mentioned dual-motion mixer has the following shortcomings in actual use:

[0005] ① Due to its bevel gear transmission structure design, the stirring mechanism also rotates during the rotation of the barrel, and the rotation direction is consistent. Although the rotation speed ratio of the barrel and the stirring mechanism can be controlled by the transmission ratio of the bevel gear, the mixing mode is single, and the efficiency of mixing in the same direction needs to be further improved;

[0006] ② During the barrel unloading process, the power mechanism generally drives the barrel to stop at the unloading position, but the stirring mechanism also stops moving at this time. The stirring mechanism in a stationary state can easily block the material unloading, resulting in inconvenience in the unloading operation. Summary of the invention

[0007] 1. Technical problem to be solved by the invention

[0008] The purpose of the present invention is to overcome the above-mentioned shortcomings of the existing mixers, and to provide a multi-mode mixer, which adopts the technical solution of the present invention and uses a mode switching mechanism to realize the working state conversion of the stirring component, so that the stirring component can rotate and stir with the rotation of the barrel, and can also rotate and stir autonomously, with a variety of mixing modes, and can flexibly select different mixing modes according to material characteristics and mixing requirements, greatly improving the material mixing efficiency, and can use the rotation of the stirring mechanism to assist in unloading during unloading, thereby improving the convenience of unloading operation. At the same time, the multi-mode mixer has the advantages of compact structure, stable operation, wide application of materials, good material mixing matching, energy saving and environmental protection, etc.

[0009] 2. Technical solution

[0010] In order to achieve the above object, the technical solution provided by the present invention is:

[0011] A multi-mode mixer of the present invention comprises a frame, a barrel, a main shaft, a stirring assembly and a barrel driving mechanism, wherein the barrel is provided with a feed port and a discharge port, the barrel is rotatably supported on the frame through a main shaft, the main shaft is in transmission connection with the barrel driving mechanism, the stirring assembly is rotatably installed in the barrel, and further comprises a first transmission gear, a second transmission gear, a stirring driving mechanism and a mode switching mechanism, wherein the first transmission gear is coaxially arranged with the main shaft, the second transmission gear is installed on the stirring shaft of the stirring assembly, and the second transmission gear is meshed with the first transmission gear, the stirring driving mechanism is in transmission connection with the first transmission gear, the mode switching mechanism acts on the first transmission gear, and has a locking state and a releasing state for the first transmission gear;

[0012] When the mode switching mechanism is in a locked state, the first transmission gear is fixed, and when the barrel driving mechanism drives the barrel to rotate, the second transmission gear rolls around the first transmission gear, driving the stirring assembly to revolve with the barrel while rotating in the barrel;

[0013] When the mode switching mechanism is in a released state, the stirring drive mechanism can drive the first transmission gear to rotate, and drive the stirring component to rotate autonomously through the second transmission gear; during mixing, the stirring drive mechanism can drive the stirring component to rotate forward or reversely in the barrel; during unloading, the barrel drive mechanism drives the barrel to rotate and stay at the unloading position, and the stirring drive mechanism drives the stirring component to rotate to cause the material to move toward the discharge port.

[0014] Furthermore, an angle α is formed between the barrel rotation axis of the barrel and the stirring rotation axis of the stirring assembly.

[0015] Furthermore, the angle α is 10° to 60°, and the first transmission gear and the second transmission gear are a pair of bevel gears.

[0016] Furthermore, the mode switching mechanism adopts an electromagnetic clutch, which is arranged between the frame and the first transmission gear; in the above-mentioned locking state, the electromagnetic clutch is closed to fix the first transmission gear relative to the frame; in the above-mentioned release state, the electromagnetic clutch is opened to enable the first transmission gear to be driven to rotate by the stirring drive mechanism.

[0017] Furthermore, the stirring drive mechanism includes an auxiliary transmission mechanism and an auxiliary drive motor, the auxiliary transmission mechanism has a driving wheel and a driven wheel, the first transmission gear and the driven wheel are coaxially fixedly connected and rotatably arranged on the main shaft, the auxiliary drive motor is connected to the driving wheel, the electromagnetic clutch is sleeved on the main shaft, and indirectly acts on the first transmission gear through the driven wheel.

[0018] Furthermore, the mode switching mechanism adopts a brake mechanism, including a brake disc and a brake, the brake disc is coaxially fixedly connected to the first transmission gear, and the brake is installed on the frame and acts on the brake disc; in the above-mentioned locking state, the brake closes and clamps the brake disc to fix the first transmission gear; in the above-mentioned release state, the brake releases the brake disc to allow the first transmission gear to be driven to rotate by the stirring drive mechanism.

[0019] Furthermore, the stirring drive mechanism includes an auxiliary transmission mechanism and an auxiliary drive motor, the auxiliary transmission mechanism has a driving wheel and a driven wheel, the first transmission gear and the driven wheel are coaxially fixedly connected and rotatably arranged on the main shaft, the auxiliary drive motor is connected to the driving wheel, the brake disc is sleeved on the main shaft, and is indirectly connected to the first transmission gear through the driven wheel.

[0020] Furthermore, the stirring drive mechanism includes an auxiliary drive motor and an auxiliary reducer, and the auxiliary drive motor is connected to the first transmission gear through the auxiliary reducer; the mode switching mechanism is arranged between the auxiliary drive motor and the auxiliary reducer, and in the above-mentioned locking state, the mode switching mechanism fixes the input shaft of the auxiliary reducer to indirectly fix the first transmission gear; in the above-mentioned release state, the mode switching mechanism releases the input shaft of the auxiliary reducer so that the first transmission gear can be driven to rotate by the auxiliary drive motor.

[0021] Furthermore, the barrel driving mechanism includes a main driving motor and a main transmission mechanism, and the main driving motor is connected to the main shaft through the main transmission mechanism; the stirring assembly adopts a spiral belt stirring paddle, including a spiral belt arranged on the stirring shaft.

[0022] Furthermore, the multi-mode mixer at least includes a single stirring mode, a follow-up stirring mode, a same-direction compound stirring mode, a reverse compound stirring mode and a discharge mode, wherein:

[0023] In the single stirring mode, the mode switching mechanism is in a released state, the barrel does not rotate, and the stirring drive mechanism drives the stirring assembly to rotate and stir in the barrel through the first transmission gear and the second transmission gear;

[0024] In the follow-up stirring mode, the mode switching mechanism is in a locked state, the stirring driving mechanism does not work, and the barrel driving mechanism drives the barrel to rotate through the main shaft, and at the same time drives the stirring component to follow the rotation and stirring in the barrel;

[0025] In the same-direction compound stirring mode, the mode switching mechanism is in a released state, the barrel driving mechanism drives the barrel to rotate through the main shaft, and at the same time, the stirring driving mechanism drives the stirring assembly to rotate and stir in the same direction as the barrel through the first transmission gear and the second transmission gear;

[0026] In the reverse compound stirring mode, the mode switching mechanism is in a released state, the barrel driving mechanism drives the barrel to rotate through the main shaft, and at the same time, the stirring driving mechanism drives the stirring assembly to rotate in the opposite direction to the barrel through the first transmission gear and the second transmission gear;

[0027] In the unloading mode, the mode switching mechanism is in a released state, the barrel driving mechanism drives the barrel to stay in the unloading position so that the discharge port is located at the bottom of the barrel, and the stirring driving mechanism drives the stirring assembly to rotate and push the material to move toward the discharge port.

[0028] 3. Beneficial effects

[0029] Compared with the existing known technologies, the technical solution provided by the present invention has the following significant effects:

[0030] (1) A multi-mode mixer of the present invention comprises a frame, a barrel, a main shaft, a stirring assembly, a barrel driving mechanism, a first transmission gear, a second transmission gear, a stirring driving mechanism and a mode switching mechanism, wherein the first transmission gear is coaxially arranged with the main shaft, the second transmission gear is mounted on the stirring shaft of the stirring assembly, and the second transmission gear is meshed with the first transmission gear, the stirring driving mechanism is connected to the first transmission gear, and the mode switching mechanism acts on the first transmission gear and has a locking state and a release state for the first transmission gear; the mode switching mechanism is used to realize the working state conversion of the stirring assembly, so that the stirring assembly can rotate and stir with the rotation of the barrel, and can also rotate and stir independently, and has multiple mixing modes, and different mixing modes can be flexibly selected according to material characteristics and mixing requirements, thereby greatly improving the material mixing efficiency, and the rotation of the stirring mechanism can be used to assist the unloading during unloading, thereby improving the convenience of the unloading operation; at the same time, the multi-mode mixer has the advantages of compact structure, stable operation, wide application of materials, good material mixing matching, energy saving and environmental protection, etc.

[0031] (2) A multi-mode mixer of the present invention has an angle α between the barrel rotation axis of the barrel and the stirring rotation axis of the stirring assembly. The angle α can be 10° to 60°, so that the barrel and the stirring assembly can form a three-dimensional mixing and stirring effect, thereby improving mixing uniformity and mixing efficiency.

[0032] (3) A multi-mode mixer of the present invention has a mode switching mechanism using an electromagnetic clutch, which is arranged between the frame and the first transmission gear. In the above-mentioned locked state, the electromagnetic clutch is closed to fix the first transmission gear relative to the frame; in the above-mentioned released state, the electromagnetic clutch is opened to allow the first transmission gear to be driven by the stirring drive mechanism to rotate; the electromagnetic clutch has a simple and compact structure, is easy to install, and is easy to control, and the closing and opening actions are switched quickly and stably.

[0033] (4) A multi-mode mixer of the present invention has a mode switching mechanism using a brake mechanism, including a brake disc and a brake, wherein the brake disc is coaxially fixedly connected to the first transmission gear, and the brake is installed on the frame and acts on the brake disc; in the above-mentioned locked state, the brake closes and clamps the brake disc to fix the first transmission gear; in the above-mentioned released state, the brake releases the brake disc so that the first transmission gear can be driven to rotate by the stirring drive mechanism; the brake mechanism has a certain buffering effect during the mode switching process, and can use the sliding friction of the brake disc and the brake to decelerate and then realize the locking of the first transmission gear, which is safe and reliable to use.

[0034] (5) A multi-mode mixer of the present invention has a stirring drive mechanism including an auxiliary transmission mechanism and an auxiliary drive motor. The auxiliary transmission mechanism has a driving wheel and a driven wheel. The first transmission gear and the driven wheel are coaxially fixedly connected and rotatably arranged on the main shaft. The auxiliary drive motor is connected to the driving wheel through transmission. The first transmission gear and the mode switching mechanism are indirectly connected through the driven wheel, which facilitates the reasonable arrangement of the mixer structure and ensures the compactness of the transmission structure of the mixer.

[0035] (6) In a multi-mode mixer of the present invention, for a large-capacity mixer, the stirring drive mechanism also includes an auxiliary reducer, which is used to provide a larger rotational torque for the stirring component. At the same time, the mode switching mechanism is provided with an input end of the auxiliary reducer, so that the torque that the mode switching mechanism needs to bear is small, which effectively reduces the torque transmission requirement for the mode switching mechanism, improves the transmission stability, and can reduce the manufacturing cost.

[0036] (7) A multi-mode mixer of the present invention has a stirring assembly using a spiral ribbon stirring paddle, including a spiral ribbon arranged on a stirring shaft, which can tumble and mix the materials in all directions, ensure the uniformity and sufficiency of the material mixing, and has high mixing efficiency and is applicable to a wide range of materials.

[0037] (8) The multi-mode mixer of the present invention comprises at least a single stirring mode, a follow-up stirring mode, a co-directional compound stirring mode, a reverse compound stirring mode and a discharge mode. Compared with the existing mixers, the appropriate mixing mode can be matched according to the material mixing requirements, so that not only the best mixing effect can be achieved, but also the hybrid power can be fully utilized, the working energy consumption can be reduced, and more energy-saving can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 This is a structural principle diagram of a multi-mode mixer according to Embodiment 1 of the present invention;

[0039] Figure 2 This is a structural principle diagram of a multi-mode mixer according to Embodiment 2 of the present invention;

[0040] Figure 3 This is a structural principle diagram of a multi-mode mixer according to Example 3 of the present invention.

[0041] Explanation of the symbols in the schematic diagram:

[0042] 1. Frame; 2. Barrel; 2-1. Feed inlet; 2-2. Spray outlet; 2-3. Discharge outlet; 3. Main shaft; 4. Stirring assembly; 4-1. Stirring shaft; 4-2. Screw belt; 5. Main drive motor; 5A. Main reducer; 6. Main transmission mechanism; 7. First transmission gear; 8. Second transmission gear; 9. Auxiliary transmission mechanism; 9-1. Driven wheel; 10. Auxiliary drive motor; 10A. Auxiliary reducer; 11. Mode switching mechanism; 11-1. Brake disc; 11-2. Brake; Z1. Barrel rotation axis; Z2. Stirring rotation axis. DETAILED DESCRIPTION

[0043] In order to further understand the content of the present invention, the present invention is described in detail in conjunction with the accompanying drawings.

[0044] Combination Figure 1 and Figure 2 As shown, a multi-mode mixer of the present invention comprises a frame 1, a barrel 2, a main shaft 3, a stirring assembly 4 and a barrel driving mechanism. The barrel 2 has a feed port 2-1 and a discharge port 2-3, which are convenient for material addition and unloading. The barrel 2 is rotatably supported on the frame 1 through the main shaft 3. The main shaft 3 is transmission-connected with the barrel driving mechanism. The barrel driving mechanism can drive the main shaft 3 to rotate, thereby driving the barrel 2 to rotate. The stirring assembly 4 is rotationally installed in the barrel 2 and can rotate in the barrel 2 to stir and mix the materials. The multi-mode mixer also comprises a first transmission gear 7, a second transmission gear 8, a stirring driving mechanism and a mode switching mechanism 11. The first transmission gear 7 is coaxially arranged with the main shaft 3, the second transmission gear 8 is installed on the stirring shaft 4-1 of the stirring assembly 4, and the second transmission gear 8 is meshed with the first transmission gear 7. The stirring driving mechanism is transmission-connected with the first transmission gear 7 and can drive the first transmission gear 7 to rotate. The mode switching mechanism 11 acts on the first transmission gear 7 and has a locking state and a release state for the first transmission gear 7.

[0045] When the mode switching mechanism 11 is in a locked state, the first transmission gear 7 is fixed, that is, the first transmission gear 7 is locked. When the barrel driving mechanism drives the barrel 2 to rotate, the second transmission gear 8 rolls around the first transmission gear 7, driving the stirring assembly 4 to revolve with the barrel 2 and rotate in the barrel 2. This state is similar to the existing double-motion mixer. The barrel driving mechanism drives the barrel 2 to rotate through the main shaft 3. At this time, the stirring assembly 4 in the barrel 2 rotates around the main shaft 3 together, that is, the revolving motion. At the same time, because the second transmission gear 8 is meshed with the first transmission gear 7, when the first transmission gear 7 is fixed differently, the second transmission gear 8 is rotating while the second transmission gear 8 is moving circumferentially around the first transmission gear 7, and then drives the stirring assembly 4 to rotate, and stirs and mixes the materials. In this state, the rotation direction of the stirring assembly 4 is consistent with the rotation direction of the barrel 2, that is, when the barrel 2 rotates clockwise, the stirring assembly 4 itself also rotates clockwise. While the material is rolling in the barrel 2, it is further stirred by the stirring assembly 4 in the barrel 2, and the mixing speed is faster and the mixing is more complete and uniform.

[0046] When the mode switching mechanism 11 is in the released state, the stirring drive mechanism can drive the first transmission gear 7 to rotate, and drive the stirring component 4 to rotate autonomously through the second transmission gear 8. In this state, the working state of the stirring component 4 can be controlled separately, and the rolling cooperation with the barrel 2 can form different mixing modes. During mixing, the stirring drive mechanism can drive the stirring component 4 to rotate forward or reversely in the barrel 2; during unloading, the barrel drive mechanism drives the barrel 2 to rotate and stays at the unloading position, and the stirring drive mechanism drives the stirring component 4 to rotate to cause the material to move toward the discharge port 2-3. In other words, regardless of whether the barrel 2 rotates or not, the stirring component 4 can be driven to rotate by the stirring drive mechanism in the barrel 2.

[0047] Therefore, the multi-mode mixer may at least include a single stirring mode, a follow-up stirring mode, a co-directional compound stirring mode, a reverse compound stirring mode and a discharge mode, wherein:

[0048] In the single stirring mode, the mode switching mechanism 11 is in the released state, the barrel 2 does not rotate, and the stirring driving mechanism drives the stirring assembly 4 to rotate and stir in the barrel 2 through the first transmission gear 7 and the second transmission gear 8; at this time, the material is mixed only by the stirring of the stirring assembly 4;

[0049] In the follow-up stirring mode, the mode switching mechanism 11 is in a locked state, the stirring driving mechanism does not work, and the barrel driving mechanism drives the barrel 2 to rotate through the main shaft 3, and at the same time drives the stirring component 4 to follow the rotation and stirring in the barrel 2; at this time, the material rolls in the barrel 2 while being stirred and mixed by the stirring component 4. The speed ratio of the stirring component 4 to the barrel 2 is fixed and determined by the transmission ratio of the first transmission gear 7 and the second transmission gear 8;

[0050] In the same-direction compound stirring mode, the mode switching mechanism 11 is in the released state, the barrel driving mechanism drives the barrel 2 to rotate through the main shaft 3, and at the same time, the stirring driving mechanism drives the stirring component 4 to rotate and stir in the same direction as the barrel 2 through the first transmission gear 7 and the second transmission gear 8; at this time, the stirring component 4 is independently driven by the stirring driving mechanism. Although the rotation direction of the stirring component 4 is consistent with the rotation direction of the barrel 2, the speed ratio between the two can be adjusted by the barrel driving mechanism and the stirring driving mechanism, so that the stirring speed of the stirring component 4 is faster and the mixing is more uniform and sufficient;

[0051] In the reverse compound stirring mode, the mode switching mechanism 11 is in the released state, the barrel driving mechanism drives the barrel 2 to rotate through the main shaft 3, and at the same time, the stirring driving mechanism drives the stirring component 4 to rotate in the opposite direction to the barrel 2 through the first transmission gear 7 and the second transmission gear 8 for stirring; at this time, the stirring component 4 is also independently driven by the stirring driving mechanism, but the rotation direction is opposite to the rotation direction of the barrel 2, which can better realize the convection of materials and make the mixing more efficient; and the speed ratio of the stirring component 4 to the barrel 2 can also be adjusted by the barrel driving mechanism and the stirring driving mechanism;

[0052] In the unloading mode, the mode switching mechanism 11 is in a released state, the barrel driving mechanism drives the barrel 2 to stay in the unloading position, so that the discharge port 2-3 is located at the bottom of the barrel 2, and the stirring driving mechanism drives the stirring component 4 to rotate and push the material to move toward the discharge port 2-3; at this time, the barrel 2 stops at the unloading position, and the stirring component 4 rotates along the spiral pushing direction, so that the material is pushed toward the discharge port 2-3, thereby facilitating the unloading operation and making the unloading faster.

[0053] The present invention will be further described below in conjunction with the embodiments.

[0054] [Example 1]

[0055] Reference Figure 1As shown, a multi-mode mixer of the present embodiment includes a frame 1, a barrel 2, a main shaft 3, a stirring assembly 4 and a barrel driving mechanism. The main part of the barrel 2 is a rotary tank structure. The barrel 2 is provided with a feed port 2-1 and a discharge port 2-3. A liquid spray port 2-2 may be further provided at the feed port 2-1 as needed. The barrel 2 is rotatably supported on the frame 1 through the main shaft 3. It is preferred that the rotation axis of the main shaft 3 intersects with the rotation axis of the barrel 2. The rotation axis of the main shaft 3 is the barrel rotation axis Z1. A bearing is provided between the end of the main shaft 3 and the frame 1. The main shaft 3 is transmission-connected to the barrel driving mechanism. The barrel driving mechanism is used to drive the barrel 2 to rotate. The stirring assembly 4 is rotatably installed in the barrel 2. It is preferred that the stirring rotation axis Z2 of the stirring assembly 4 is coaxial with the rotation axis of the barrel 2. The stirring assembly 4 can rotate relative to the barrel 2, thereby stirring the material in the barrel 2. The stirring assembly 4 has a stirring shaft 4-1 and blades arranged on the stirring shaft 4-1, and bearings are arranged between the two ends of the stirring shaft 4-1 and the barrel 2. The multi-mode mixer of this embodiment also includes a first transmission gear 7, a second transmission gear 8, a stirring drive mechanism and a mode switching mechanism 11. The first transmission gear 7 is coaxially arranged with the main shaft 3, the second transmission gear 8 is installed on the stirring shaft 4-1 of the stirring assembly 4, and the second transmission gear 8 is meshed with the first transmission gear 7. The stirring drive mechanism is connected to the first transmission gear 7 and can drive the first transmission gear 7 to rotate. The mode switching mechanism 11 acts on the first transmission gear 7 and has a locking state and a release state for the first transmission gear 7. Among them:

[0056] When the mode switching mechanism 11 is in a locked state, the first transmission gear 7 is fixed, and when the barrel driving mechanism drives the barrel 2 to rotate, the second transmission gear 8 rolls around the first transmission gear 7, driving the stirring assembly 4 to revolve with the barrel 2 while rotating in the barrel 2;

[0057] When the mode switching mechanism 11 is in the released state, the stirring drive mechanism can drive the first transmission gear 7 to rotate, and drive the stirring component 4 to rotate autonomously through the second transmission gear 8; when mixing materials, the stirring drive mechanism can drive the stirring component 4 to rotate forward or reversely in the barrel 2; when unloading, the barrel drive mechanism drives the barrel 2 to rotate and stay at the unloading position, and the stirring drive mechanism drives the stirring component 4 to rotate to cause the material to move toward the discharge port 2-3.

[0058] A multi-mode mixer of the present embodiment utilizes a mode switching mechanism to realize the working state conversion of a stirring component, so that the stirring component can rotate and stir along with the rotation of a barrel, and can also rotate and stir autonomously, and has a plurality of mixing modes, and different mixing modes can be flexibly selected according to material characteristics and mixing requirements, thereby greatly improving the material mixing efficiency, and during unloading, the rotation of the stirring mechanism can be utilized to assist in unloading, thereby improving the convenience of unloading operation; at the same time, the multi-mode mixer has the advantages of compact structure, stable operation, wide application of materials, good material mixing matching, energy saving and environmental protection, etc.

[0059] like Figure 1 As shown, in this embodiment, there is an angle α between the barrel rotation axis Z1 of the barrel 2 and the stirring rotation axis Z2 of the stirring assembly 4. Generally speaking, the angle α can be 0° to 90°. In order to ensure the tumbling effect of the material in the barrel 2, in this embodiment, the angle α is preferably 10° to 60°. The first transmission gear 7 and the second transmission gear 8 are a pair of bevel gears, so that the barrel 2 and the stirring assembly 4 can form a three-dimensional mixing and stirring effect, thereby improving the mixing uniformity and mixing efficiency.

[0060] catch Figure 1 As shown, in this embodiment, the above-mentioned mode switching mechanism 11 adopts an electromagnetic clutch, and the electromagnetic clutch is arranged between the frame 1 and the first transmission gear 7; in the above-mentioned locking state, the electromagnetic clutch is closed to fix the first transmission gear 7 relative to the frame 1, and the first transmission gear 7 cannot rotate at this time; in the above-mentioned release state, the electromagnetic clutch is opened so that the first transmission gear 7 can be driven to rotate by the stirring drive mechanism. The above-mentioned electromagnetic clutch can adopt an existing commercially available tooth clutch or the like. The electromagnetic clutch is used as the mode switching mechanism, which has a simple and compact structure, is easy to install, and is easy to control, and the closing and opening actions are switched quickly and stably. Further, the stirring drive mechanism includes an auxiliary transmission mechanism 9 and an auxiliary drive motor 10, the auxiliary transmission mechanism 9 has a driving wheel and a driven wheel 9-1, the auxiliary transmission mechanism 9 preferably adopts a chain transmission mechanism, a chain is provided between the driving wheel and the driven wheel 9-1, the first transmission gear 7 and the driven wheel 9-1 are coaxially fixedly connected, and are rotatably arranged on the main shaft 3, the auxiliary drive motor 10 is connected to the driving wheel, the auxiliary drive motor 10 drives the driven wheel 9-1 to rotate, and the driven wheel 9-1 drives the first transmission gear 7 to rotate synchronously; the electromagnetic clutch is sleeved on the main shaft 3, and indirectly acts on the first transmission gear 7 through the driven wheel 9-1. Specifically, when the electromagnetic clutch is opened, the driven wheel 9-1 can rotate freely, and when the electromagnetic clutch is closed, the driven wheel 9-1 can be locked and cannot rotate. In this embodiment, the first transmission gear 7 is indirectly connected to the mode switching mechanism 11 through the driven wheel 9-1, which is convenient for the reasonable arrangement of the mixer structure and ensures the compactness of the transmission structure of the mixer.

[0061] The multi-mode mixer of this embodiment has a barrel driving mechanism including a main driving motor 5 and a main transmission mechanism 6, and the main driving motor 5 is connected to the main shaft 3 through the main transmission mechanism 6. The main transmission mechanism 6 also preferably adopts a chain transmission mechanism. The main driving motor 5 drives the main shaft 3 to rotate, and then drives the barrel 2 to rotate. Both the main driving motor 5 and the auxiliary driving motor 10 can adopt servo motors. The above-mentioned stirring component 4 preferably adopts a spiral ribbon stirring paddle, including a spiral ribbon 4-2 arranged on the stirring shaft 4-1, which can tumble and mix the materials in all directions, can ensure the uniformity and sufficiency of the material mixing, and has high mixing efficiency and is applicable to a wide range of materials.

[0062] Reference Figure 1 As shown, the multi-mode mixer of this embodiment at least includes a single stirring mode, a follow-up stirring mode, a co-directional compound stirring mode, a reverse compound stirring mode and a discharge mode, wherein:

[0063] The single stirring mode means that the barrel 2 does not rotate, and only the stirring assembly 4 rotates in the barrel 2 to stir and mix the materials. The function is similar to that of an existing stirring mixer, and can be used in situations where the dispersion of materials is not required to be high. In the single stirring mode, the mode switching mechanism 11 is in a released state, the barrel 2 does not rotate, and the stirring drive mechanism drives the stirring assembly 4 to rotate and stir in the barrel 2 through the first transmission gear 7 and the second transmission gear 8.

[0064] The follow-up stirring mode means that the barrel 2 rotates and the stirring component 4 rotates and stirs at the same time, which is similar to the existing double-motion mixer in function. In the follow-up stirring mode, the mode switching mechanism 11 is in a locked state, the stirring drive mechanism does not work, and the barrel drive mechanism drives the barrel 2 to rotate through the main shaft 3, and at the same time drives the stirring component 4 to rotate and stir in the barrel 2.

[0065] The co-directional compound stirring mode means that both the barrel 2 and the stirring component 4 rotate, and the stirring component 4 rotates autonomously, and the rotation direction is the same as that of the barrel 2. In the co-directional compound stirring mode, the mode switching mechanism 11 is in a released state, the barrel driving mechanism drives the barrel 2 to rotate through the main shaft 3, and at the same time, the stirring driving mechanism drives the stirring component 4 to rotate and stir in the same direction as the barrel 2 through the first transmission gear 7 and the second transmission gear 8. This mode can control the stirring speed of the stirring component 4, making the mixing faster and more uniform.

[0066] The reverse compound stirring mode means that both the barrel 2 and the stirring component 4 rotate, and the stirring component 4 rotates autonomously, and the rotation direction is opposite to that of the barrel 2. In the reverse compound stirring mode, the mode switching mechanism 11 is in a released state, the barrel driving mechanism drives the barrel 2 to rotate through the main shaft 3, and the stirring driving mechanism drives the stirring component 4 to rotate and stir in the opposite direction to the barrel 2 through the first transmission gear 7 and the second transmission gear 8. This mode can make the material form better convection and the mixing more efficient and uniform.

[0067] The unloading mode means that after the mixing is completed, the barrel 2 stays at the unloading position and the material is discharged through the discharge port 2-3. In the unloading mode, the mode switching mechanism 11 is in a released state, the barrel driving mechanism drives the barrel 2 to stay at the unloading position, so that the discharge port 2-3 is located at the bottom of the barrel 2, and the stirring driving mechanism drives the stirring assembly 4 to rotate and push the material to move toward the discharge port 2-3, which facilitates the unloading operation and makes the unloading faster.

[0068] Of course, in addition to the above working modes, other different working modes can be derived by controlling the barrel drive mechanism, the stirring drive mechanism and the mode switching mechanism 11, such as the barrel 2 and / or the stirring component 4 reciprocatingly rotating and mixing, etc. Compared with the existing mixers, the appropriate mixing mode can be matched according to the material mixing requirements, which can not only achieve the best mixing effect, but also make full use of the hybrid power, reduce the working energy consumption, and save more energy.

[0069] [Example 2]

[0070] The basic structure and working principle of the multi-mode mixer of this embodiment are the same as those of the first embodiment, except that:

[0071] like Figure 2 As shown, in this embodiment, the mode switching mechanism 11 adopts a brake mechanism, which includes a brake disc 11-1 and a brake 11-2. The brake disc 11-1 is coaxially fixedly connected with the first transmission gear 7. The brake 11-2 is installed on the frame 1 and acts on the brake disc 11-1. The brake 11-2 can be tightly clamped on the brake disc 11-1 to fix it. In the above-mentioned locking state, the brake 11-2 closes and clamps the brake disc 11-1 to fix the first transmission gear 7; in the above-mentioned release state, the brake 11-2 releases the brake disc 11-1 so that the first transmission gear 7 can be driven to rotate by the stirring drive mechanism. The above-mentioned brake mechanism has a certain buffering effect during the mode switching process, and can use the sliding friction of the brake disc 11-1 and the brake 11-2 to decelerate and realize the locking of the first transmission gear 7, which is safe and reliable to use. The above-mentioned brake 11-2 can adopt an existing pneumatic brake, etc.

[0072] Further, the stirring drive mechanism includes an auxiliary transmission mechanism 9 and an auxiliary drive motor 10, the auxiliary transmission mechanism 9 has a driving wheel and a driven wheel 9-1, the first transmission gear 7 and the driven wheel 9-1 are coaxially fixedly connected and rotatably arranged on the main shaft 3, the auxiliary drive motor 10 is connected to the driving wheel in a transmission manner, and the brake disc 11-1 is sleeved on the main shaft 3 and indirectly connected to the first transmission gear 7 through the driven wheel 9-1. The indirect connection between the first transmission gear 7 and the mode switching mechanism 11 is realized through the driven wheel 9-1, which facilitates the reasonable arrangement of the mixer structure and ensures the compactness of the transmission structure of the mixer.

[0073] In this embodiment, the main transmission mechanism 6 and the auxiliary transmission mechanism 9 can be chain transmission mechanisms, belt transmission mechanisms, gear transmission mechanisms, etc. The main transmission mechanism 6 and the auxiliary transmission mechanism 9 can be used to reduce speed or increase speed as needed.

[0074] [Example 3]

[0075] The basic structure and working principle of the multi-mode mixer of this embodiment are the same as those of Embodiment 1 and Embodiment 2, except that:

[0076] like Figure 3 As shown, in this embodiment, for a large-capacity mixer, the required torque and power are also greater. In order to ensure the working stability of the mode switching mechanism 11, the mode switching mechanism 11 is preferably arranged at the low-torque end of the transmission mechanism in this embodiment. Specifically, the mode switching mechanism 11 acts indirectly on the first transmission gear 7, and is used to lock or release the first transmission gear 7. The stirring drive mechanism includes an auxiliary drive motor 10 and an auxiliary reducer 10A. The auxiliary drive motor 10 is connected to the first transmission gear 7 through the auxiliary reducer 10A. The auxiliary reducer 10A can increase the output torque. In a preferred embodiment, the output end of the auxiliary reducer 10A can be connected to the first transmission gear 7 through the auxiliary transmission mechanism 9. Similar to the above-mentioned embodiments 1 and 2, the auxiliary transmission mechanism 9 also has a driven wheel 9-1, and the driven wheel 9-1 is coaxially fixedly connected to the first transmission gear 7. The mode switching mechanism 11 is arranged between the auxiliary drive motor 10 and the auxiliary reducer 10A. In the above-mentioned locking state, the mode switching mechanism 11 fixes the input shaft of the auxiliary reducer 10A to indirectly fix the first transmission gear 7. Since the first transmission gear 7 is fixed, the barrel driving mechanism drives the barrel 2 to rotate through the main shaft 3, and at the same time drives the stirring component 4 to rotate and stir in the barrel 2; in the above-mentioned release state, the mode switching mechanism 11 releases the input shaft of the auxiliary reducer 10A so that the first transmission gear 7 can be driven to rotate by the auxiliary drive motor 10. The auxiliary drive motor 10 drives the first transmission gear 7 to rotate after increasing the torque through the auxiliary reducer 10A, and drives the stirring component 4 to rotate and stir through the second transmission gear 8.

[0077] In this embodiment, the mode switching mechanism 11 can be an electromagnetic clutch or a brake mechanism. When an electromagnetic clutch is used, one end of the electromagnetic clutch can be slidably arranged on the input shaft of the auxiliary reducer 10A through a spline or a flat key, and the other end can be fixed on the output shaft or the motor seat of the auxiliary drive motor 10. The input shaft of the auxiliary reducer 10A can be fixed or released by turning the electromagnetic clutch on and off. When a brake mechanism is used, the mode switching mechanism 11 includes a brake disc 11-1 and a brake 11-2. The brake disc 11-1 is fixed on the input shaft of the auxiliary reducer 10A. The brake 11-2 is installed on the frame 1 or the motor seat and acts on the brake disc 11-1. The brake 11-2 can be tightly held on the brake disc 11-1 to fix it. The brake 11-2 can be a pneumatic brake. The locking or release of the first transmission gear 7 can be indirectly controlled by fixing or releasing the brake disc 11-1 by the brake 11-2.

[0078] In addition, in the present embodiment, the barrel driving mechanism includes a main driving motor 5, a main reducer 5A and a main transmission mechanism 6. The main driving motor 5 is connected to the main transmission mechanism 6 through the main reducer 5A, and the main transmission mechanism 6 is connected to the main shaft 3 by transmission. The main transmission mechanism 6 can adopt a chain transmission mechanism, a belt transmission mechanism, a gear transmission mechanism, etc. The main driving motor 5 drives the main shaft 3 to rotate after the main reducer 5A increases the torque, and then drives the barrel 2 to rotate, which can meet the power requirements of the large-capacity mixer. In addition, for the convenience of setting, the barrel driving mechanism and the stirring driving mechanism can be respectively arranged on both sides of the barrel 2.

[0079] A multi-mode mixer of the present invention uses a mode switching mechanism to realize the working state conversion of the stirring component, so that the stirring component can rotate and stir with the rotation of the barrel, and can also rotate and stir independently, with multiple mixing modes, and different mixing modes can be flexibly selected according to material characteristics and mixing requirements, which greatly improves the material mixing efficiency, and can use the rotation of the stirring mechanism to assist in unloading during unloading, which improves the convenience of unloading operation. At the same time, the multi-mode mixer has the advantages of compact structure, stable operation, wide application of materials, good material mixing matching, energy saving and environmental protection, etc.

[0080] The present invention and its embodiments are described schematically above, which is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired by it and creatively designs a structure and an embodiment similar to the technical solution without departing from the purpose of the invention, they shall all fall within the protection scope of the present invention.

Claims

1. A multi-mode mixer, comprising a frame (1), a barrel (2), a main shaft (3), a stirring assembly (4) and a barrel driving mechanism, wherein the barrel (2) has a feed inlet (2-1) and a discharge outlet (2-3), the barrel (2) is rotatably supported on the frame (1) via the main shaft (3), the main shaft (3) is in driving connection with the barrel driving mechanism, and the stirring assembly (4) is rotatably mounted in the barrel (2), characterized in that: The invention also comprises a first transmission gear (7), a second transmission gear (8), a stirring drive mechanism and a mode switching mechanism (11), wherein the first transmission gear (7) is coaxially arranged with the main shaft (3), the second transmission gear (8) is mounted on the stirring shaft (4-1) of the stirring assembly (4), and the second transmission gear (8) is meshed with the first transmission gear (7), the stirring drive mechanism is connected to the first transmission gear (7) in a transmission manner, and the mode switching mechanism (11) acts on the first transmission gear (7) and has a locking state and a releasing state for the first transmission gear (7); When the mode switching mechanism (11) is in a locked state, the first transmission gear (7) is fixed, and when the barrel driving mechanism drives the barrel (2) to rotate, the second transmission gear (8) rolls around the first transmission gear (7), driving the stirring assembly (4) to revolve with the barrel (2) while rotating inside the barrel (2); When the mode switching mechanism (11) is in a released state, the stirring drive mechanism can drive the first transmission gear (7) to rotate, and drive the stirring component (4) to rotate autonomously through the second transmission gear (8); when mixing, the stirring drive mechanism can drive the stirring component (4) to rotate forward or reversely in the barrel (2); when unloading, the barrel drive mechanism drives the barrel (2) to rotate and stay at the unloading position, and the stirring drive mechanism drives the stirring component (4) to rotate to cause the material to move toward the discharge port (2-3).

2. The multi-mode mixer according to claim 1, characterized in that: An included angle α is formed between the barrel rotation axis (Z1) of the barrel (2) and the stirring rotation axis (Z2) of the stirring assembly (4).

3. The multi-mode mixer according to claim 2, characterized in that: The included angle α is 10° to 60°, and the first transmission gear (7) and the second transmission gear (8) are a pair of bevel gears.

4. The multi-mode mixer according to claim 1, 2 or 3, characterized in that: The mode switching mechanism (11) adopts an electromagnetic clutch, which is arranged between the frame (1) and the first transmission gear (7); in the above-mentioned locking state, the electromagnetic clutch is closed to fix the first transmission gear (7) and the frame (1) relatively; in the above-mentioned releasing state, the electromagnetic clutch is opened to enable the first transmission gear (7) to be driven to rotate by the stirring drive mechanism.

5. The multi-mode mixer according to claim 4, characterized in that: The stirring drive mechanism comprises an auxiliary transmission mechanism (9) and an auxiliary drive motor (10); the auxiliary transmission mechanism (9) comprises a driving wheel and a driven wheel (9-1); the first transmission gear (7) and the driven wheel (9-1) are coaxially fixedly connected and rotatably arranged on the main shaft (3); the auxiliary drive motor (10) is connected to the driving wheel in a transmission manner; the electromagnetic clutch is sleeved on the main shaft (3) and indirectly acts on the first transmission gear (7) through the driven wheel (9-1).

6. The multi-mode mixer according to claim 1, 2 or 3, characterized in that: The mode switching mechanism (11) adopts a brake mechanism, comprising a brake disc (11-1) and a brake (11-2), wherein the brake disc (11-1) is coaxially fixedly connected to the first transmission gear (7), and the brake (11-2) is installed on the frame (1) and acts on the brake disc (11-1); in the above-mentioned locking state, the brake (11-2) closes and clamps the brake disc (11-1) to fix the first transmission gear (7); in the above-mentioned releasing state, the brake (11-2) releases the brake disc (11-1) to enable the first transmission gear (7) to be driven to rotate by the stirring drive mechanism.

7. The multi-mode mixer according to claim 6, characterized in that: The stirring drive mechanism comprises an auxiliary transmission mechanism (9) and an auxiliary drive motor (10); the auxiliary transmission mechanism (9) comprises a driving wheel and a driven wheel (9-1); the first transmission gear (7) and the driven wheel (9-1) are coaxially fixedly connected and rotatably arranged on the main shaft (3); the auxiliary drive motor (10) is transmission-connected to the driving wheel; the brake disc (11-1) is sleeved on the main shaft (3) and is indirectly connected to the first transmission gear (7) via the driven wheel (9-1).

8. The multi-mode mixer according to claim 1, 2 or 3, characterized in that: The stirring drive mechanism comprises an auxiliary drive motor (10) and an auxiliary reducer (10A), wherein the auxiliary drive motor (10) is connected to the first transmission gear (7) through the auxiliary reducer (10A); the mode switching mechanism (11) is arranged between the auxiliary drive motor (10) and the auxiliary reducer (10A); in the above-mentioned locking state, the mode switching mechanism (11) fixes the input shaft of the auxiliary reducer (10A) to indirectly fix the first transmission gear (7); in the above-mentioned releasing state, the mode switching mechanism (11) releases the input shaft of the auxiliary reducer (10A) to enable the first transmission gear (7) to be driven to rotate by the auxiliary drive motor (10).

9. The multi-mode mixer according to claim 1, characterized in that: The barrel drive mechanism comprises a main drive motor (5) and a main transmission mechanism (6), wherein the main drive motor (5) is connected to the main shaft (3) through the main transmission mechanism (6); the stirring assembly (4) adopts a spiral belt stirring paddle, comprising a spiral belt (4-2) arranged on the stirring shaft (4-1).

10. The multi-mode mixer according to claim 1, characterized in that: The multi-mode mixer at least comprises a single stirring mode, a follow-up stirring mode, a same-direction compound stirring mode, a reverse compound stirring mode and a discharge mode, wherein: In the single stirring mode, the mode switching mechanism (11) is in a released state, the barrel (2) does not rotate, and the stirring drive mechanism drives the stirring assembly (4) to rotate and stir in the barrel (2) through the first transmission gear (7) and the second transmission gear (8); In the follow-up stirring mode, the mode switching mechanism (11) is in a locked state, the stirring driving mechanism does not work, and the barrel driving mechanism drives the barrel (2) to rotate through the main shaft (3), while driving the stirring component (4) to follow-up rotate and stir in the barrel (2); In the co-directional composite stirring mode, the mode switching mechanism (11) is in a released state, the barrel driving mechanism drives the barrel (2) to rotate via the main shaft (3), and at the same time, the stirring driving mechanism drives the stirring assembly (4) to rotate and stir in the same direction as the barrel (2) via the first transmission gear (7) and the second transmission gear (8); In the reverse composite stirring mode, the mode switching mechanism (11) is in a released state, the barrel driving mechanism drives the barrel (2) to rotate via the main shaft (3), and at the same time, the stirring driving mechanism drives the stirring assembly (4) to rotate and stir in the reverse direction with the barrel (2) via the first transmission gear (7) and the second transmission gear (8); In the unloading mode, the mode switching mechanism (11) is in a released state, the barrel driving mechanism drives the barrel (2) to stay in the unloading position, so that the discharge port (2-3) is located at the bottom of the barrel (2), and the stirring driving mechanism drives the stirring component (4) to rotate and push the material to move in the direction of the discharge port (2-3).

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