Mixing device for preparing high-performance carbon-phosphorus composite negative electrode material

Abstract

The utility model discloses a mixing device for preparing a high-performance carbon phosphorus composite cathode material, which comprises a shell, the upper surface of the shell is fixedly connected with a stirring mechanism, the stirring mechanism comprises a top cover, the bottom surface of the top cover is fixedly connected with the upper surface of the shell, and the upper surface of the top cover is fixedly connected with a rotating motor. The power output end of the rotating motor is fixedly connected with a first bevel gear, the inner wall of the top cover is fixedly connected with a bearing, the inner wall of the bearing is fixedly connected with a second bevel gear, the outer surface of the second bevel gear is meshed with the outer surface of the first bevel gear, and the inner wall of the second bevel gear is fixedly connected with a rotating rod. The outer surface of the rotating rod is fixedly connected with a stirring rod. According to the device, the influence of the external environment on the material can be isolated, and the internal material can be better mixed under the acting force of high-speed stirring, so that the high-performance carbon-phosphorus composite negative electrode material can be effectively prepared.

Description

Technical Field

[0001] The utility model relates to the technical field of carbon-phosphorus composite negative electrode material manufacturing, in particular to a mixing device for preparing high-performance carbon-phosphorus composite negative electrode materials. Background Art

[0002] Phosphorus-based electrode materials have high theoretical capacity, abundant reserves and low prices, making them great application prospects for sodium-ion battery negative electrode materials. However, poor conductivity and excessive volume expansion lead to low capacity and cycle life of phosphorus-based negative electrodes. By regulating size and structure and compounding with carbon-based or non-carbon-based materials, the defects of phosphorus-based electrode materials can be effectively alleviated, thereby improving the cycle capacity, stability and rate performance of sodium-ion batteries.

[0003] The production and preparation of high-performance carbon-phosphorus composite negative electrode materials requires multiple processes, one of the more important steps is mixing materials. The quality of the mixed materials can directly affect the cycle capacity, stability and rate performance of the battery. The key factors affecting the mixed materials are: mixing environment and stirring speed. Therefore, it is very important to control the mixing environment and stirring speed during mixing production.

[0004] Therefore, a mixing device for preparing high-performance carbon-phosphorus composite negative electrode materials is needed to solve the above technical problems. Utility Model Content

[0005] The purpose of the utility model is to make up for the deficiencies of the prior art and to provide a mixing device for preparing high-performance carbon-phosphorus composite negative electrode materials.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a mixing device for preparing high-performance carbon-phosphorus composite negative electrode materials, comprising an outer shell, the upper surface of the outer shell being fixedly connected to a stirring mechanism, the stirring mechanism comprising a top cover, the bottom surface of the top cover being fixedly connected to the upper surface of the outer shell, the upper surface of the top cover being fixedly connected to a rotating motor, the output end of the rotating motor power being fixedly connected to a first bevel gear, the inner wall of the top cover being fixedly connected to a bearing, a second bevel gear being installed inside the bearing, the outer surface of the second bevel gear being meshed with the outer surface of the first bevel gear, the inner wall of the second bevel gear being fixedly connected to a rotating rod, the outer surface of the rotating rod being fixedly connected to a stirring rod, the upper surface of the top cover being fixedly connected to a feeding pipe, the outer surface of the feeding pipe being rotatably connected to a sieve cover, the outer surface of the feeding pipe being rotatably connected to a sealing cover, and the sealing cover being located above the sieve cover.

[0007] Preferably, an observation port is fixedly connected to the inner wall of the top cover, and a discharge pipe is fixedly connected to the bottom surface of the outer shell.

[0008] Preferably, a fixed plate is fixedly connected to the inner wall of the discharge pipe, and a movable plate is rotatably connected to the inner wall of the discharge pipe.

[0009] Preferably, the bottom surface of the discharge pipe is rotatably connected to a latch, and the upper surface of the latch is in contact with the bottom surface of the movable plate.

[0010] Preferably, a protective cover is fixedly connected to the upper surface of the top cover, a handle is fixedly connected to the back surface of the protective cover, and the first bevel gear and the second bevel gear are both located inside the protective cover.

[0011] Preferably, four hanging rings are fixedly connected to the upper surface of the top cover, and a supporting frame is fixedly connected to the outer surface of the shell.

[0012] Preferably, four support seats are fixedly connected to the outer surface of the support frame, and the inner wall of each support seat is threadedly connected with a bolt.

[0013] Beneficial effects:

[0014] Compared with the existing technology, the mixing device for preparing high-performance carbon-phosphorus composite negative electrode materials has the following beneficial effects:

[0015] The utility model cooperates with a top cover, a rotating motor, a first bevel gear, a bearing, a second bevel gear, a rotating rod, a stirring rod, a feeding pipe, a sieve cover and a sealing cover. The power provided by the rotating motor can drive the first bevel gear to rotate. The first bevel gear and the second bevel gear are engaged and connected. When the first bevel gear rotates, the second bevel gear can be driven to rotate. The rotation of the second bevel gear can drive the rotating rod and the stirring rod to rotate at the same time. At this time, the stirring rod can be used to fully stir and mix the materials in the container to ensure that the materials are mixed more fusion. The sieve cover can be used to filter out larger particles of materials when the materials are put in. The sealing cover can be used to seal the feeding pipe to ensure that the interior of the container is not easily affected by the external environment, so that the mixing device has a good function of isolating from external factors, ensuring that the internal materials are better mixed under the action of high-speed stirring. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the discharge pipe of the utility model;

[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the feed pipe of the utility model;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the stirring stick of the present invention.

[0020] In the figure: 1. outer shell; 2. stirring mechanism; 201. top cover; 202. rotating motor; 203. first bevel gear; 204. bearing; 205. second bevel gear; 206. rotating rod; 207. stirring stick; 208. feeding pipe; 209. sieve cover; 210. sealing cover; 211. observation port; 212. discharging pipe; 213. fixed plate; 214. movable plate; 215. latch; 216. protective cover; 217. handle; 218. lifting ring; 219. supporting frame; 220. supporting seat; 221. bolt. DETAILED DESCRIPTION

[0021] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0022] Reference Figure 1 、 Figure 2 、 Figure 3 and Figure 4 A mixing device for preparing high-performance carbon-phosphorus composite negative electrode materials includes a shell 1, the upper surface of the shell 1 is fixedly connected to a stirring mechanism 2, the inner wall of the top cover 201 is fixedly connected to an observation port 211, and the bottom surface of the shell 1 is fixedly connected to a discharge pipe 212. The observation port 211 is convenient for staff to observe the internal mixing situation and help staff to grasp the mixing progress. The discharge pipe 212 is convenient for discharging the mixed materials.

[0023] Reference Figure 1 、 Figure 2 、 Figure 3 and Figure 4 The stirring mechanism 2 includes a top cover 201, the bottom surface of the top cover 201 is fixedly connected to the upper surface of the outer shell 1, the upper surface of the top cover 201 is fixedly connected to a rotating motor 202, the inner wall of the discharge pipe 212 is fixedly connected to a fixed plate 213, the inner wall of the discharge pipe 212 is rotatably connected to a movable plate 214, the fixed plate 213 is fixed inside the discharge pipe 212, and the movable plate 214 can rotate inside the discharge pipe 212 to release the mixed materials.

[0024] Reference Figure 2 、 Figure 3 and Figure 4 The output end of the power of the rotating motor 202 is fixedly connected to the first bevel gear 203, the inner wall of the top cover 201 is fixedly connected to the bearing 204, the inner wall of the bearing 204 is fixedly connected to the second bevel gear 205, and the bottom surface of the discharge pipe 212 is rotatably connected to the latch 215. The upper surface of the latch 215 contacts the bottom surface of the movable plate 214. The latch 215 is a switch for opening and closing the movable plate 214. When the latch 215 is opened, the material can be discharged. When the latch 215 is closed, the discharge pipe 212 can be prevented from discharging the material.

[0025] Reference Figure 1 、 Figure 2 、 Figure 3 and Figure 4 The outer surface of the second bevel gear 205 is meshed with the outer surface of the first bevel gear 203. The inner wall of the second bevel gear 205 is fixedly connected with a rotating rod 206. The upper surface of the top cover 201 is fixedly connected with a protective cover 216. The back of the protective cover 216 is fixedly connected with a handle 217. The first bevel gear 203 and the second bevel gear 205 are both located inside the protective cover 216. The protective cover 216 is used to protect rotating parts and prevent transmission parts from accidentally injuring staff. The handle 217 makes it easy for maintenance personnel to open the protective cover 216.

[0026] Reference Figure 1 、 Figure 2 、 Figure 3 and Figure 4 The outer surface of the rotating rod 206 is fixedly connected to a stirring rod 207, the upper surface of the top cover 201 is fixedly connected to a feeding pipe 208, the upper surface of the top cover 201 is fixedly connected to four hanging rings 218, and the outer surface of the outer shell 1 is fixedly connected to a supporting frame 219. The hanging rings 218 are convenient for lifting the equipment and moving it to another place. The supporting frame 219 supports the equipment to facilitate discharging.

[0027] Reference Figure 1 、 Figure 2 and Figure 3 The outer surface of the feed pipe 208 is rotatably connected to a sieve cover 209, and the outer surface of the feed pipe 208 is rotatably connected to a sealing cover 210. The sealing cover 210 is located above the sieve cover 209. The outer surface of the support frame 219 is fixedly connected to four support seats 220. The inner wall of each support seat 220 is threadedly connected to a bolt 221. The cooperation between the support seat 220 and the bolt 221 strengthens the stability of the support frame 219 and ensures that the equipment is not easy to shake during the production process.

[0028] Working principle: First, the rotating motor 202 is electrically connected through a wire, and then the power provided by the rotating motor 202 can be used to drive the first bevel gear 203 to rotate. The first bevel gear 203 and the second bevel gear 205 are engaged and connected. When the first bevel gear 203 rotates, the second bevel gear 205 can be driven to rotate. The rotation of the second bevel gear 205 can drive the rotating rod 206 and the stirring rod 207 to rotate. At this time, the stirring rod 207 can be used to fully stir and mix the materials in the shell 1 to ensure that the materials are mixed more fusion. The sieve cover 209 is used when the materials are put in. The larger particles of material can be filtered out at a time, and the feeding pipe 208 can be sealed by using the sealing cover 210 to ensure that the interior of the container is not easily affected by the external environment, so that the mixing device has a good function of isolating external factors, ensuring that the internal materials are better mixed under the action of high-speed stirring. During the production process, the observation port 211 can be used to understand the internal mixing situation, and finally the movable plate 214 can be opened by rotating the latch 215 to release the material, thereby realizing the mixing device for preparing high-performance carbon-phosphorus composite negative electrode materials, which can effectively prepare high-performance carbon-phosphorus composite negative electrode materials.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A mixing device for preparing a high-performance carbon-phosphorus composite negative electrode material, comprising a housing (1), characterized in that: The upper surface of the housing (1) is fixedly connected to a stirring mechanism (2), the stirring mechanism (2) comprises a top cover (201), the bottom surface of the top cover (201) is fixedly connected to the upper surface of the housing (1), the upper surface of the top cover (201) is fixedly connected to a rotating motor (202), the output end of the power of the rotating motor (202) is fixedly connected to a first helical gear (203), the inner wall of the top cover (201) is fixedly connected to a bearing (204), the interior of the bearing (204) is equipped with a second helical gear (205), and the second helical gear (206) is fixedly connected to the upper surface of the housing (1). The outer surface of the first bevel gear (205) is meshed with the outer surface of the first bevel gear (203); the inner wall of the second bevel gear (205) is fixedly connected to a rotating rod (206); the outer surface of the rotating rod (206) is fixedly connected to a stirring rod (207); the upper surface of the top cover (201) is fixedly connected to a feeding pipe (208); the outer surface of the feeding pipe (208) is rotatably connected to a sieve cover (209); the outer surface of the feeding pipe (208) is rotatably connected to a sealing cover (210); and the sealing cover (210) is located above the sieve cover (209).

2. A mixing device for preparing a high-performance carbon-phosphorus composite negative electrode material according to claim 1, characterized in that: An observation port (211) is fixedly connected to the inner wall of the top cover (201), and a discharge pipe (212) is fixedly connected to the bottom surface of the outer shell (1).

3. A mixing device for preparing a high-performance carbon-phosphorus composite negative electrode material according to claim 2, characterized in that: The inner wall of the discharge pipe (212) is fixedly connected to a fixed plate (213), and the inner wall of the discharge pipe (212) is rotatably connected to a movable plate (214).

4. The mixing device for preparing a high-performance carbon-phosphorus composite negative electrode material according to claim 2, characterized in that: The bottom surface of the discharge pipe (212) is rotatably connected to a latch (215), and the upper surface of the latch (215) is in contact with the bottom surface of the movable plate (214).

5. The mixing device for preparing a high-performance carbon-phosphorus composite negative electrode material according to claim 1, characterized in that: The upper surface of the top cover (201) is fixedly connected to a protective cover (216), the back surface of the protective cover (216) is fixedly connected to a handle (217), and the first bevel gear (203) and the second bevel gear (205) are both located inside the protective cover (216).

6. The mixing device for preparing a high-performance carbon-phosphorus composite negative electrode material according to claim 1, characterized in that: Four hanging rings (218) are fixedly connected to the upper surface of the top cover (201), and a supporting frame (219) is fixedly connected to the outer surface of the shell (1).

7. A mixing device for preparing a high-performance carbon-phosphorus composite negative electrode material according to claim 6, characterized in that: Four support seats (220) are fixedly connected to the outer surface of the support frame (219), and the inner wall of each support seat (220) is threadedly connected to a bolt (221).

Images