Concentric double-shaft dispersing, grinding and stirring machine
By employing a concentric dual-shaft design and alternating shear forces, the problems of uneven mixing and sedimentation in existing grinding and mixing machines have been solved, achieving uniform mixing and efficient stirring of materials, and improving the performance and stability of the device.
Patent Information
- Application Number
- CN202520602405.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-01
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-01
AI Technical Summary
Existing grinding and mixing machines are prone to uneven mixing and sedimentation when processing highly viscous materials, resulting in material waste. In addition, traditional mixing devices have insufficient shear force, which prolongs the mixing time and reduces the performance and stability of the device.
The concentric dual-shaft design features serrated blades on both the first and second mixing devices, with the first device positioned directly above the second. This generates alternating shear forces, which, combined with the servo motor driving the inner and outer shafts at different speeds, achieves uniform mixing of materials and prevents sedimentation.
It improves the uniformity of material mixing, reduces sedimentation zones, ensures that each part of the material is evenly mixed, reduces material waste, and enhances the performance and applicability of the mixer.
Smart Images

Figure CN223945527U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to agitating unit technical field, especially in a kind of concentric double-shaft dispersion grinding mixer. BACKGROUND
[0002] Grinding mixer is a kind of equipment for mixing, dispersing and grinding material, and is widely used in chemical industry, food, pharmaceutical, paint, ink and other industries.It mainly mixes different components of material by stirring and grinding to realize uniform physical state and chemical composition, and the existing grinding mixer generally has the following problems: first, no matter which industry the device is used in, it will be sticky material, second, the stirring device in the existing device mainly uses rectangular or U-shaped stirring blade to mix, in the process of use, due to the self-weight of sticky material, it may cause the formation of stirring precipitation zone at the bottom of stirring barrel, causing waste of material, and the surface of traditional stirring device is generally smooth, although it is easy to clean, but the grinding and shear force in the stirring process is reduced, so the stirring time is prolonged, thereby reducing the performance of the mixer, therefore, we propose a kind of concentric double-shaft dispersion grinding mixer to solve the above problems. SUMMARY
[0003] The utility model is to at least solve one of the technical problems existing in the prior art, provide a kind of concentric double-shaft dispersion grinding mixer, by being provided with upper and lower two groups of stirring device, i.e.stirring device one and stirring device two on the stirring shaft of grinding stirring barrel, wherein, the sawtooth of stirring blade one in stirring device one and the sawtooth of stirring blade two in stirring device two are all set as sawtooth, but the position of sawtooth is set opposite, and stirring device one is smaller than stirring device two, stirring device one is located just above stirring device two, can produce alternate shear force in the process of stirring and dispersion, help to break the gathering of material and uneven dispersion, improve the mixing uniformity of material, can also effectively reduce the precipitation zone of material in barrel due to gravity, ensure that every part of material is fully stirred, reduce the waste of material, and effectively improve the performance of grinding mixer, enhance its applicability and stability.
[0004] The utility model still provides has above-mentioned one kind with concentric double shaft dispersion grinding agitator, include: mount, support rod, grinding agitator barrel, the upper surface fixedly connected with servo motor of support rod, the output fixedly connected with stirring shaft of servo motor, the stirring shaft is by inner shaft and outer shaft, the surface fixedly connected with stirring device one of stirring shaft inner shaft, stirring device one is by stirring fixed ring one, stirring blade one, stirring rod, scraper one is composed, the surface fixedly connected with stirring device two of stirring shaft outer shaft, stirring device two is by stirring fixed ring two, stirring blade two, scraper two is composed, stirring device one is located the just above of stirring device two, the upper surface fixedly connected with sealing cover of grinding agitator barrel, the bottom of grinding agitator barrel is provided with mount.
[0005] According to the concentric double shaft dispersion grinding agitator, the upper surface of the sealing cover is provided with a feeding port, and the sealing cover is fixed on the upper end surface of the stirring shaft. The sealing cover and the grinding agitator barrel are combined and separated.
[0006] According to the concentric double shaft dispersion grinding agitator, the shape of the mount is L-shaped, the inner side surface of the mount is provided with an electric sliding groove, and the electric sliding groove is slidably connected with the support rod through a sliding block. The height of the sealing cover is lifted and adjusted.
[0007] According to the concentric double shaft dispersion grinding agitator, the stirring fixed ring one is fixedly connected with the inner shaft of the stirring shaft through the stirring blade one, and the side surface of the stirring blade one is sawtooth-shaped. The material is better ground and dispersed.
[0008] According to the concentric double shaft dispersion grinding agitator, the stirring fixed ring two is fixedly connected with the outer shaft of the stirring shaft through the stirring blade two, the shape of the stirring blade two is the same as that of the stirring blade one, and the scraper two abuts against the inner bottom surface of the grinding agitator barrel. Different shear forces are formed with the stirring blade one, and the bottom surface of the barrel is prevented from sinking.
[0009] According to the concentric double shaft dispersion grinding agitator, the diameter of the stirring fixed ring one is smaller than that of the stirring fixed ring two, and the sawtooth direction of the stirring blade one is opposite to the arrangement direction of the stirring blade two. Alternating shear forces are generated in the stirring and dispersion process, which helps to break the aggregation of the material and improve the mixing uniformity of the material.
[0010] The utility model discloses a concentric double shaft dispersion grinding mixer, the stirring rod is provided with a plurality of, the scraping face of scraping board no.
[0011] The utility model discloses a concentric double shaft dispersion grinding mixer, the inside of fixed mount is provided with the overhead layer, the bottom surface fixedly connected with the discharge pipe of grinding stirring barrel, be provided with solenoid valve at the junction of discharge pipe and grinding stirring barrel, the inside fixedly connected with the support plate of overhead layer, and with discharge pipe fixed connection. For the convenience of conveying the material after stirring.
[0012] Beneficial effect: through setting up two groups of stirring device on the stirring shaft of grinding stirring barrel, namely stirring device no. 1 and stirring device no. 2, wherein, the stirring blade no. 1 in stirring device no. 1 and the stirring blade no. 2 in stirring device no. 2 are all set as sawtooth, but the position of sawtooth is opposite, and stirring device no. 1 is less than stirring device no. 2, and stirring device no. 1 is located the upside of stirring device no. 2, can produce the alternate shear force in the stirring and dispersion process, help to break the gathering of material and dispersion uneven, improve the mixing uniformity of material, can also effectively reduce the sedimentation zone of material in the barrel due to gravity, ensure that every part of material is fully stirred, reduce the waste of material, and effectively improve the performance of grinding mixer, enhance its applicability and stability. BRIEF DESCRIPTION OF DRAWINGS
[0013] The utility model is further described below in connection with the drawings and examples;
[0014] Figure 1 It is the overall structural drawing of the utility model concentric double shaft dispersion grinding mixer;
[0015] Figure 2 It is the internal structure diagram of the utility model concentric double shaft dispersion grinding mixer;
[0016] Figure 3 It is the bottom view of the utility model concentric double shaft dispersion grinding mixer;
[0017] Figure 4 It is the structure diagram of the utility model concentric double shaft dispersion grinding mixer stirring device no. 1.
[0018] Legend:
[0019] 1, fixed frame; 2, grinding stirring barrel; 21, sealing cover; 3, servo motor; 4, support rod; 5, electric sliding chute; 6, stirring shaft; 7, stirring fixed ring one; 71, stirring blade one; 72, stirring rod; 73, scraper one; 8, stirring fixed ring two; 81, stirring blade two; 82, scraper two; 9, feed inlet; 10, discharge pipe; 11, support plate; 12, electromagnetic valve. DETAILED DESCRIPTION
[0020] This part will describe the specific embodiments of the utility model in detail, the preferred embodiment of the utility model is shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.
[0021] Reference Figures 1-4 The utility model discloses a concentric double shaft dispersion grinding stirring machine, it includes: fixed frame 1, support rod 4, grinding stirring barrel 2, the upper surface of support rod 4 is fixedly connected with servo motor 3, is used to drive the operation of stirring shaft 6, the output of servo motor 3 is fixedly connected with stirring shaft 6, and stirring shaft 6 is composed of inner shaft and outer shaft, is used for realizing the rotation of stirring device one and stirring device two simultaneously, and different shear force that can be realized by different rotating speeds two, the surface of stirring shaft 6 inner shaft is fixedly connected with stirring device one, and stirring device one is composed of stirring fixed ring one 7, stirring blade one 71, stirring rod 72, scraper one 73, is used to mix and scatter the upper part and lower part in the barrel evenly, the surface of stirring shaft 6 outer shaft is fixedly connected with stirring device two, and stirring device two is composed of stirring fixed ring two 8, stirring blade two 81, scraper two 82, is used to avoid the situation that the inner bottom of the barrel appears to sink, and stirring device one is located in the upper of stirring device two, is used to form different shear force, and the upper surface of grinding stirring barrel 2 is fixedly connected with sealing cover 21, is used to seal grinding stirring barrel 2, and the bottom of grinding stirring barrel 2 is provided with fixed frame 1, plays the role of fixed and support grinding stirring barrel 2.
[0022] The upper surface of the sealing cover 21 is provided with a feeding port 9 for facilitating the conveying of materials. The sealing cover 21 is fixed to the upper end surface of the stirring shaft 6 for separating and combining the sealing cover 21 and the grinding stirring barrel 2. The fixed frame 1 is shaped as an L shape. The inner side surface of the fixed frame 1 is provided with an electric sliding groove 5. The inner part of the electric sliding groove 5 is slidably connected with the supporting rod 4 through a sliding block for lifting and adjusting the height of the sealing cover 21, facilitating the maintenance of the device. The stirring fixed ring one 7 is fixedly connected with the inner shaft of the stirring shaft 6 through the stirring blade one 71. The side surface of the stirring blade one 71 is shaped as a sawtooth shape for better grinding and dispersing the materials and promoting the uniform mixing of the materials. The stirring fixed ring two 8 is fixedly connected with the outer shaft of the stirring shaft 6 through the stirring blade two 81. The shape of the stirring blade two 81 is the same as that of the stirring blade one 71. The scraper two 82 abuts against the inner bottom surface of the grinding stirring barrel 2 for forming different shearing forces with the stirring blade one 71 and avoiding the occurrence of the bottom sinking of the barrel. The diameter of the stirring fixed ring one 7 is smaller than that of the stirring fixed ring two 8. The sawtooth direction of the stirring blade one 71 is opposite to that of the stirring blade two 81. The opposite sawtooth directions of the two stirring blades can generate alternating shearing forces in the stirring and dispersing processes, which helps to break the aggregation of the materials and the uneven dispersion, improves the uniform mixing of the materials. The stirring rod 72 is provided with a plurality of stirring rods. The scraping surface of the scraper one 73 abuts against the inner side surface of the grinding stirring barrel 2. The plurality of stirring rods 72 are fixedly connected with the stirring fixed ring one 7 in a high-to-low order from high to low, so that the materials adhered to the inner wall surface of the stirring barrel at different heights can be cleaned, avoiding the waste of materials. The inner part of the fixed frame 1 is provided with an aerial layer. The bottom surface of the grinding stirring barrel 2 is fixedly connected with a discharge pipe 10. The connection part between the discharge pipe 10 and the grinding stirring barrel 2 is provided with an electromagnetic valve 12 for facilitating the conveying of the materials after the completion of stirring. The inner part of the aerial layer is fixedly connected with a supporting plate 11 and is fixedly connected with the discharge pipe 10 for fixing and supporting the discharge pipe 10 and the aerial layer.
[0023] Working principle: when using the concentric double-shaft dispersion grinding mixer, the required material is delivered to the inside of the grinding and stirring barrel 2 through the feed inlet 9 on the surface of the sealing cover 21, at the same time, the rotation of the stirring shaft 6 is driven by the servo motor 3, and the inner shaft is usually rotated faster than the outer shaft, combined with the sawtooth-shaped stirring blade one 71 and stirring blade two 81, which effectively stir the material in relative motion, and make the material be sheared and dispersed under the interaction of the stirring fixed ring one 7, stirring rod 72 and stirring fixed ring two 8 and other components, and be broken constantly, so as to form a uniform mixing state, the stirring rod 72 with the uniformly arranged scraper one 73 from high to low in order drives the scraper one 73 to scrape off the material adhered to the inner wall of the grinding and stirring barrel 2 constantly, so that the material mixing is more uniform, the scraper two 82 arranged on the bottom surface of the grinding and stirring barrel 2 mixes and turns over the material on the bottom surface, avoiding the material sinking to the bottom, after the stirring process is completed, the material in the barrel is transmitted through the electromagnetic valve 12, and is conveyed to the next process through the discharge pipe 10, when the inside of the grinding and stirring barrel 2 needs to be overhauled, the sealing cover 21 can be lifted to a suitable height through the support rod 4 connected inside the electric sliding chute 5.
[0024] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled persons in the technical field without departing from the purpose of the utility model.
Claims
1. A concentric twin-shaft disperser mill, characterized in that, Include: Fixed frame (1), support rod (4), grinding stirring barrel (2), the upper surface of the support rod (4) is fixedly connected with a servo motor (3), the output end of the servo motor (3) is fixedly connected with a stirring shaft (6), the stirring shaft (6) is composed of an inner shaft and an outer shaft, the surface of the stirring shaft (6) inner shaft is fixedly connected with stirring device one, the stirring device one is composed of stirring fixed ring one (7), stirring blade one (71), stirring rod (72), scraper one (73), the surface of the stirring shaft (6) outer shaft is fixedly connected with stirring device two, the stirring device two is composed of stirring fixed ring two (8), stirring blade two (81), scraper two (82), the stirring device one is located directly above the stirring device two, the upper surface of the grinding stirring barrel (2) is fixedly connected with a sealing cover (21), the bottom surface of the grinding stirring barrel (2) is provided with a fixed frame (1).
2. A concentric biaxial disperser mill according to claim 1, wherein, The upper surface of the sealing cover (21) is provided with a feeding port (9), and the sealing cover (21) is fixed on the upper end surface of the stirring shaft (6).
3. A concentric biaxial dispersion mill agitator according to claim 1, characterized in that The shape of the fixed frame (1) is L-shaped, the inner side of the fixed frame (1) is provided with an electric sliding groove (5), and the electric sliding groove (5) is slidably connected with the support rod (4) through a sliding block.
4. A concentric biaxial dispersion mill agitator according to claim 3, characterized in that The stirring fixed ring one (7) is fixedly connected with the inner shaft of the stirring shaft (6) through the stirring blade one (71), and the side surface of the stirring blade one (71) is sawtooth-shaped.
5. A concentric biaxial dispersion mill agitator according to claim 1, characterized in that The stirring fixed ring two (8) is fixedly connected with the outer shaft of the stirring shaft (6) through the stirring blade two (81), the shape of the stirring blade two (81) is the same as that of the stirring blade one (71), and the scraper two (82) abuts against the inner bottom surface of the grinding stirring barrel (2).
6. A concentric biaxial dispersion mill agitator according to claim 1, characterized in that The diameter of the stirring fixed ring one (7) is smaller than that of the stirring fixed ring two (8), and the sawtooth direction of the stirring blade one (71) is opposite to the arrangement direction of the stirring blade two (81).
7. A concentric biaxial dispersion mill mixer as claimed in claim 1, wherein, The stirring rod (72) is provided with a plurality of, the scraping surface of the scraper one (73) abuts against the inner side surface of the grinding stirring barrel (2), and the plurality of stirring rods (72) are fixedly connected with the stirring fixed ring one (7) in order from high to low.
8. A concentric biaxial dispersion mill mixer as claimed in claim 1, wherein, The inside of the fixed frame (1) is provided with an overhead layer, the bottom surface of the grinding stirring barrel (2) is fixedly connected with a discharge pipe (10), the connection between the discharge pipe (10) and the grinding stirring barrel (2) is provided with a solenoid valve (12), the inside of the overhead layer is fixedly connected with a support plate (11) and fixedly connected with the discharge pipe (10).