Dispersing device for small amount of slurry
A servo motor-driven stirring device with oscillation beads effectively disperses small slurry amounts, addressing temperature and contamination issues, achieving accurate and stable dispersion with low costs.
Patent Information
- Application Number
- CN202420956659.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-06
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-05-06
AI Technical Summary
Existing devices for dispersing small amounts of slurry, such as ultrasonic dispersers and high-frequency oscillators, suffer from issues like temperature rise, contamination, and high costs, making them unsuitable for experimental stages in electrochemistry.
A device comprising a servo motor, stirring rod, and sample plate with oscillation beads for dispersing small amounts of slurry, ensuring low temperature operation and accurate component proportions, using a closed system to prevent solvent volatilization and contamination.
The device achieves efficient dispersion with particle sizes below 5μm, maintaining slurry accuracy and stability, suitable for long-term use with low costs and simple operation.
Smart Images
Figure CN222219367U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of slurry dispersion, in particular to a device for dispersing a small amount of slurry. Background Art
[0002] With the development of science and technology, various new materials and catalyst products emerge in an endless stream. Many of these materials need to be configured into slurry for testing or tested after coating during the testing phase, especially in the field of electrochemistry.
[0003] On an industrial scale, sand mills or homogenizers are generally used to disperse slurries, but they are generally not suitable for dispersing small amounts of slurries in the experimental stage. Currently, the main methods on the market for dispersing small amounts of slurries include ultrasonic dispersers, ultrasonic cell crushers, high-frequency oscillators, etc.; ultrasonic dispersers have problems such as temperature rise and the sample may be contaminated by water, and the dispersion effect will deteriorate due to power attenuation after long-term operation of ultrasound; ultrasonic cell crushers generally require open ultrasound, which is not friendly to volatile solvents and also has the problem of temperature rise; although high-frequency oscillators avoid some problems of ultrasound, they were relatively expensive at the time and had a short service life.
[0004] Therefore, it is necessary to provide a new device for dispersing a small amount of slurry to solve the above technical problems. Utility Model Content
[0005] The technical problem solved by the utility model is to provide a device for dispersing a small amount of slurry with simple equipment and good dispersing effect.
[0006] In order to solve the above technical problems, the utility model provides a small amount of slurry dispersion device, including: a base, the surface of the base is fixedly connected to a support rod, and a servo motor for driving a stirring rod to rotate is installed on the top of the support rod; a sample tray is installed on the side wall of the stirring rod, and a plurality of sample slots for placing sample tubes are arranged on the surface of the sample tray, the interior of the sample tray is threadedly connected to a screw, one end of the bracket is fixedly connected to a rubber pad, the rubber pad enters the interior of the sample slot and contacts the sample tube, and the other end of the bracket is rotatably connected and engages with the side wall of the screw.
[0007] Preferably, the side wall of the stirring rod is fixedly connected to a prism and a limiting ring, the prism is engaged with the interior of the sample tray, and the limiting ring abuts against the side wall of the sample tray.
[0008] Preferably, the side wall of the stirring rod is slidably connected to a fixing sleeve, one end of the fixing sleeve is a funnel-shaped rubber sleeve, and the elastic rubber sleeve abuts against the side wall of the sample tray, and the prism is located inside the rubber sleeve.
[0009] Preferably, the side wall of the stirring rod is slidably connected to a pin, and the pin abuts against the side wall of the fixing sleeve.
[0010] Preferably, the interior of the sample tube is threadedly connected to the screw plug, and a plurality of oscillation beads are placed inside the sample tube.
[0011] Preferably, the diameter of the oscillating beads is 3-6 mm, and the number of the oscillating beads inside the sample tube is 10-30 beads.
[0012] Compared with the related art, the device for dispersing a small amount of slurry provided by the utility model has the following beneficial effects:
[0013] The utility model provides a device for dispersing a small amount of slurry. The device is simple in equipment and consists of an ordinary servo motor, a stirring rod and a sample plate. The stirring rod is required to rotate at a speed of dozens to hundreds of revolutions per minute, and the cost is basically controlled within one thousand yuan. The sample tube is a closed tube, and the slurry inside the sample tube does not contact other external solvents, and there is almost no internal solvent volatilization and slurry pollution, and the proportions of each component of the finished slurry are kept accurate. The stirring speed of the stirring rod is low, and the temperature is hardly changed when stirring at room temperature, which is very friendly to some substances that are easy to decompose or react at high temperatures. In the dispersion process, the sample plate rotates one circle, and the oscillation beads disperse the slurry by secondary free fall. After dispersion, the general powder particle size can reach less than 5μm, and the particle size of some metal powders is not higher than 10μm, and the dispersion effect is good. The device has low cost and simple operation, and the slurry obtained by the method has good dispersibility, high accuracy, high stability, and can be suitable for long-term operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 A schematic diagram of the structure of a small amount of slurry dispersion device provided by the utility model;
[0015] Figure 2 for Figure 1 Schematic diagram of the internal structure of the sample tray shown;
[0016] Figure 3 for Figure 2 An enlarged schematic diagram of the structure at A shown;
[0017] Figure 4 for Figure 2 A side view of the sample tray structure shown;
[0018] Figure 5 for Figure 4 Diagram of the internal structure of the sample tube shown.
[0019] Numbers in the figure: 1, base, 2, support rod, 3, servo motor, 4, stirring rod, 5, sample plate, 6, fixing sleeve, 7, rubber sleeve, 8, pin, 9, prism, 10, limiting ring, 11, sample tube, 12, sample slot, 13, screw, 14, bracket, 15, rubber pad, 16, screw plug, 17, oscillation ball. DETAILED DESCRIPTION
[0020] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.
[0021] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 .in Figure 1 A schematic diagram of the structure of a small amount of slurry dispersion device provided by the utility model; Figure 2 for Figure 1 Schematic diagram of the internal structure of the sample tray shown; Figure 3 for Figure 2 An enlarged schematic diagram of the structure at A shown; Figure 4 for Figure 2 A side view of the sample tray structure shown; Figure 5 for Figure 4 The internal structure diagram of the sample tube shown; the device for dispersing a small amount of slurry comprises: a base 1, the surface of the base 1 is fixedly connected to a support rod 2, the top of the support rod 2 is installed with a servo motor 3 for driving a stirring rod 4 to rotate; the side wall of the stirring rod 4 is installed with a sample tray 5, the surface of the sample tray 5 is provided with a plurality of sample slots 12 for placing sample tubes 11, the interior of the sample tray 5 is threadedly connected to a screw rod 13, one end of a bracket 14 is fixedly connected to a rubber pad 15, the rubber pad 15 enters the interior of the sample slot 12 to abut against the sample tube 11, the other end of the bracket 14 is rotatably connected and engaged with the side wall of the screw 13. After the sample tube 11 is placed in the sample slot 12, the screw 13 is rotated to enter the sample tray 5, and the bracket 14 is rotated on the side wall of the screw 13 to align the rubber pad 15 with the sample slot 12. As the screw 13 enters the sample tray 5, the rubber pad 15 is driven to enter the sample slot 12 to squeeze the sample tube 11, thereby fixing the sample tube 11 in the sample slot 12.
[0022] The side wall of the stirring rod 4 is fixedly connected to a prism 9 and a limiting ring 10, the prism 9 is engaged with the inside of the sample tray 5, and the limiting ring 10 contacts the side wall of the sample tray 5; the side wall of the stirring rod 4 is slidably connected to a fixing sleeve 6, one end of the fixing sleeve 6 is a funnel-shaped rubber sleeve 7, and the elastic rubber sleeve 7 contacts the side wall of the sample tray 5, and the prism 9 is located inside the rubber sleeve 7; the side wall of the stirring rod 4 is slidably connected to a pin 8, and the pin 8 contacts the side wall of the fixing sleeve 6, and when the sample tray 5 is installed, the sample tray 5 is on the side wall of the prism 9 The limiting ring 10 is slidably pressed against the fixing sleeve 6, and then the fixing sleeve 6 is slid on the side wall of the stirring rod 4, so that the rubber pad 7 at one end of the fixing sleeve 6 presses against the side wall of the sample tray 5, and the funnel-shaped rubber pad 7 fixes the sample tray 5; then the pin 8 is inserted into the stirring rod 4, and the pin 8 presses against the side wall of the fixing sleeve 6, and at the same time, the rubber pad 7 is squeezed to reversely press the fixing sleeve 6, so that the fixing sleeve 6 reversely presses against the side wall of the pin 8, thereby fixing the fixing sleeve 6, the rubber pad 7 and the sample tray 5 to prevent the sample tray 5 from falling.
[0023] The interior of the sample tube 11 is threadedly connected to the screw plug 16, and a plurality of vibration beads 17 are placed inside the sample tube 11; the diameter of the vibration beads 17 is 3 to 6 mm, and the number of the vibration beads 17 inside the sample tube 11 is 10 to 30; the slurry and the vibration beads 17 are placed inside the sample tube 11, and the screw plug 16 is used to seal the interior of the sample tube 11. When the sample disk 5 drives the sample tube 11 to rotate, the sample disk 5 rotates one circle, and the vibration beads 17 make a secondary free fall to disperse the slurry.
[0024] The working principle of the small amount slurry dispersion device provided by the utility model is as follows: when making slurry, raw material powders such as carbon black, metal oxides, metal sulfides, and binders are placed in the sample tube 11, and then solvents such as methanol, ethanol, isopropanol, and butanol are poured into the sample tube 11, and 10 to 30 vibration beads 17 are placed in the sample tube 11, and finally the sample tube 11 is sealed with the screw 16. After a plurality of the sample tubes 11 are placed in the sample slot 12, the screw 13 is rotated to enter the sample tray 5, and the bracket 14 is rotated on the side wall of the screw 13 to align the rubber pad 15 with the sample slot 12. As the screw 13 enters the sample tray 5, the rubber pad 15 is driven to enter the sample slot 12 to squeeze the sample tube 11, and the sample tube 11 is fixed in the sample slot 12. After the sample tube 11 is placed, the sample tube 11 is sleeved on the side wall of the prism 9, the sample tray 5 contacts the limiting ring 10, and then the fixing sleeve 6 is slid on the side wall of the stirring rod 4, so that the rubber pad 7 at one end of the fixing sleeve 6 contacts the side wall of the sample tray 5, and the funnel-shaped rubber pad 7 fixes the sample tray 5; then the pin 8 is inserted into the stirring rod 4, the pin 8 contacts the side wall of the fixing sleeve 6, and at the same time, the rubber pad 7 is squeezed to reversely squeeze the fixing sleeve 6, so that the fixing sleeve 6 reversely contacts the side wall of the pin 8, thereby fixing the fixing sleeve 6, the rubber pad 7 and the sample tray 5 to prevent the sample tray 5 from falling. The servo motor 3 is powered on, and the servo motor 3 drives the stirring rod 4 and the turntable 5 to rotate. The sample plate 5 rotates one circle, and the oscillation beads 17 perform secondary free fall to disperse the slurry. During the dispersion process, the rotation speed of the stirring rod 4 is optimal when the dispersion noise is the largest, and the dispersion time is set to 1h to 24h.
[0025] The utility model provides a device for dispersing a small amount of slurry, which has the following beneficial effects: the device is simple in equipment, and is composed of a common servo motor 3, a stirring rod 4 and a sample plate 5. The stirring rod 4 is required to rotate at a speed of tens to hundreds of revolutions per minute, and the cost is basically controlled within one thousand yuan; the sample tube 11 is a closed tube, and the slurry inside the sample tube 11 does not contact other external solvents, and there is almost no internal solvent volatilization and slurry pollution, and the proportions of each component of the finished slurry are kept accurate; the stirring speed of the stirring rod is low, and the temperature hardly changes when stirring at room temperature, which is very friendly to some substances that are easily decomposed or reacted at high temperatures; in the dispersion process, the sample plate 5 rotates one circle, and the oscillation beads 17 disperse the slurry by secondary free fall. After dispersion, the general powder particle size can reach less than 5μm, and the particle size of some metal powders is not higher than 10μm, and the dispersion effect is good; the device is low in cost and simple to operate, and the slurry obtained by the method has good dispersibility, high accuracy, high stability, and can be suitable for long-term operation.
[0026] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A device for dispersing a small amount of slurry, characterized in that: include: A base (1), the surface of the base (1) being fixedly connected to a support rod (2), the top end of the support rod (2) being provided with a servo motor (3) for driving a stirring rod (4) to rotate; A sample tray (5) is installed on the side wall of the stirring rod (4); a plurality of sample slots (12) for placing sample tubes (11) are arranged on the surface of the sample tray (5); the interior of the sample tray (5) is threadedly connected to the screw rod (13); one end of a bracket (14) is fixedly connected to a rubber pad (15); the rubber pad (15) enters the interior of the sample slot (12) and contacts the sample tube (11); the other end of the bracket (14) is rotatably connected and engages with the side wall of the screw rod (13).
2. The device for dispersing a small amount of slurry according to claim 1, characterized in that: The side wall of the stirring rod (4) is fixedly connected to a prism (9) and a limiting ring (10); the prism (9) is engaged with the interior of the sample tray (5), and the limiting ring (10) contacts the side wall of the sample tray (5).
3. The device for dispersing a small amount of slurry according to claim 2, characterized in that: The side wall of the stirring rod (4) is slidably connected to a fixed sleeve (6), one end of the fixed sleeve (6) is a funnel-shaped rubber sleeve (7), and the elastic rubber sleeve (7) contacts the side wall of the sample plate (5), and the prism (9) is located inside the rubber sleeve (7).
4. The device for dispersing a small amount of slurry according to claim 3, characterized in that: The side wall of the stirring rod (4) is slidably connected to the pin (8), and the pin (8) abuts against the side wall of the fixing sleeve (6).
5. The device for dispersing a small amount of slurry according to claim 1, characterized in that: The interior of the sample tube (11) is threadedly connected to the screw plug (16), and a plurality of oscillation beads (17) are placed inside the sample tube (11).
6. The device for dispersing a small amount of slurry according to claim 5, characterized in that: The diameter of the vibration beads (17) is 3 to 6 mm, and the number of the vibration beads (17) inside the sample tube (11) is 10 to 30.