Graphene powder sample making micro-pulverizer

Abstract

The utility model relates to a graphene powder sample production micro -pulverizer belongs to graphene powder sample preparation technical field, including control box, the top fixed connection of control box has the rubbing cylinder, the top of control box is provided with the coarse crushing subassembly, and the coarse crushing subassembly includes the discharge hopper setting in rubbing cylinder one side, and the inside rotatory mounting of discharge hopper has two pivot. The utility model has the beneficial effect that when processing graphene powder, it can be discharged through the discharge hopper, and then, through the rotation of the pivot, the rotation of the plurality of crushing cutters can be driven, so that the coarse crushing treatment of the graphene powder can be realized by the two groups of crushing cutters, then, through the rotation of the stirring rod a, the plurality of stirring cutters can be driven to rotate at high speed, and the fine crushing treatment of the powder can be realized, so that the crushing efficiency can be improved through the synergistic optimization of coarse crushing and fine crushing.

Description

Technical Field

[0001] This utility model relates to the field of graphene powder sample preparation technology, and in particular to a micro-pulverizer for preparing graphene powder samples. Background Technology

[0002] Graphene, as a novel nanomaterial, has broad application prospects in electronics, energy, composite materials and other fields due to its excellent electrical conductivity, thermal conductivity and mechanical properties. However, the pulverization process is one of the key steps in the preparation of graphene powder, which directly affects the uniformity and performance of the material.

[0003] Most existing micro-pulverizers use a single pulverizing mechanism, which makes it difficult to achieve synergistic optimization of coarse and fine crushing, resulting in low pulverizing efficiency and difficulty in obtaining graphene powder with uniform particle size distribution in a short time. Therefore, a micro-pulverizer for fabricating graphene powder samples is proposed to solve the above-mentioned problems. Utility Model Content

[0004] In view of the above-mentioned problems existing in the prior art, the main purpose of this utility model is to provide a micro-pulverizer for preparing graphene powder samples.

[0005] The technical solution of this utility model is as follows: a micro pulverizer for preparing graphene powder samples, including a control box, a pulverizing cylinder fixedly connected to the top of the control box, a coarse crushing component on the top of the control box, the coarse crushing component including a hopper disposed on one side of the pulverizing cylinder, two rotating shafts rotatably mounted inside the hopper, a set of pulverizing blades fixedly connected to the outer side of each rotating shaft, the two sets of pulverizing blades being arranged alternately and equidistantly, a fine crushing component disposed inside the pulverizing cylinder, the fine crushing component including a stirring rod a rotatably connected inside the pulverizing cylinder, a plurality of stirring blades fixedly connected at equal intervals to the outer side of the stirring rod a.

[0006] By adopting the above technical solution, the graphene powder is fed through a hopper, and then the rotation of the shaft drives the rotation of multiple crushing blades, thereby enabling the coarse crushing of the graphene powder using two sets of crushing blades.

[0007] In a preferred embodiment, a conveying assembly is provided between the hopper and the crushing cylinder. The conveying assembly includes a conveying cylinder fixedly connected to the bottom of the hopper, a stirring rod b rotatably connected inside the conveying cylinder, and a conveying auger fixedly connected to the outside of the stirring rod b.

[0008] By adopting the above technical solution, the rotation of the stirring rod b can drive the conveying auger to rotate, thereby using the conveying auger to transport the graphene powder at the hopper to the inside of the crushing cylinder.

[0009] In a preferred embodiment, a transmission assembly is provided on the outer side of the hopper. The transmission assembly includes a sprocket a disposed on one side of the conveying cylinder, one end of the stirring rod b extending to the outer side of the conveying cylinder and fixedly connected to the center of the sprocket a, and one end of each rotating shaft extending to the outer side of the hopper. A sprocket b is fixedly connected to the outer side of one of the rotating shafts, and a chain drives the sprocket b and sprocket a.

[0010] By adopting the above technical solution, the rotation of the shaft can drive the sprocket b to rotate, and through the coordinated action of the chain, it can drive the sprocket a to rotate, thereby providing a power source for the rotation of the stirring rod b.

[0011] In a preferred embodiment, the transmission assembly further includes a gear fixedly connected to the outside of the rotating shaft, and the two gears are meshed together.

[0012] By adopting the above technical solution, the two gears work together to drive the two rotating shafts to rotate, thereby achieving the coarse crushing of powder.

[0013] In a preferred embodiment, a cyclone separator is fixedly installed on one side of the control box, a connecting flange is fixedly connected to the top of the cyclone separator, and a conveying pipe is fixedly connected between the cyclone separator and the crushing cylinder.

[0014] By adopting the above technical solution, the crushed material can be separated through the action of the cyclone separator, and the finished product can be placed in the finished product tank.

[0015] In a preferred embodiment, a finished product tank is fixedly installed on the outside of the control box and below the cyclone separator, and the bottom of the cyclone separator is fixedly connected to the finished product tank.

[0016] By adopting the above technical solution and setting up finished product tanks, finished products can be collected in a unified manner.

[0017] In a preferred embodiment, a drive motor is fixedly installed on the top of the grinding cylinder, and the output shaft of the drive motor extends into the interior of the grinding cylinder and is fixedly connected to the stirring rod a.

[0018] By adopting the above technical solution, the rotation of the output shaft of the drive motor can drive the stirring rod a to rotate.

[0019] In a preferred embodiment, a DC motor is embedded inside the hopper, and the output shaft of the DC motor is fixedly connected to one of the rotating shafts. The hopper, the conveying cylinder, and the crushing cylinder are interconnected.

[0020] By adopting the above technical solution, the rotation of the output shaft of the DC motor can drive one of the rotating shafts to rotate.

[0021] Compared with the prior art, the advantages and positive effects of this utility model are as follows: 1. In this utility model, the graphene powder is fed through a hopper. Then, the rotation of the rotating shaft drives the rotation of multiple crushing blades, thereby enabling coarse crushing of the graphene powder using two sets of crushing blades. Subsequently, the rotation of the stirring rod a drives multiple stirring blades to rotate at high speed, thereby enabling fine crushing of the powder. Thus, the crushing efficiency is improved through the synergistic optimization of coarse and fine crushing.

[0022] 2. In this utility model, the rotation of the stirring rod b can drive the conveying auger to rotate, thereby using the conveying auger to transport the graphene powder from the hopper to the inside of the crushing cylinder, thus achieving the purpose of rapid conveying of graphene powder. Attached Figure Description

[0023] Figure 1 A three-dimensional view of the micro-pulverizer for preparing graphene powder samples is provided for this utility model; Figure 2 A half-sectional view of a micro-pulverizer for preparing graphene powder samples is provided for this utility model; Figure 3 A schematic diagram of the coarse crushing component of a micro-pulverizer for preparing graphene powder samples for this utility model; Figure 4 This invention provides a micro-pulverizer for preparing graphene powder samples. Figure 2 Enlarged view of point A in the middle.

[0024] Legend: 1. Control box; 2. Crushing cylinder; 3. Drive motor; 4. Feed hopper; 5. Cyclone separator; 6. Finished product tank; 7. Connecting flange; 8. Stirring rod a; 9. Stirring blade; 10. Conveying pipe; 11. Conveying auger; 12. Rotating shaft; 13. Gear; 14. Crushing blade; 15. Conveying cylinder; 16. Stirring rod b; 17. Chain; 18. Sprocket a; 19. Sprocket b; 20. DC motor. Detailed Implementation

[0025] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0026] Reference Figure 1-4 A micro-pulverizer for preparing graphene powder samples includes a control box 1. A pulverizing cylinder 2 is fixedly connected to the top of the control box 1. A coarse crushing component is installed on the top of the control box 1. The coarse crushing component includes a hopper 4 located on one side of the pulverizing cylinder 2. Two rotating shafts 12 are rotatably installed inside the hopper 4. A set of pulverizing blades 14 is fixedly connected to the outer side of each rotating shaft 12. The two sets of pulverizing blades 14 are arranged in an alternating and equidistant manner. A fine crushing component is installed inside the pulverizing cylinder 2. The fine crushing component includes a stirring rod a8 rotatably connected inside the pulverizing cylinder 2. Several stirring blades 9 are fixedly connected to the outer side of the stirring rod a8 at equidistant intervals. When processing graphene powder, it can be fed through the hopper 4. Then, the rotation of the rotating shafts 12 can drive the rotation of multiple pulverizing blades 14, thereby achieving coarse crushing of the graphene powder using the two sets of pulverizing blades 14. Subsequently, the rotation of the stirring rod a8 can drive the multiple stirring blades 9 to rotate at high speed, thereby achieving fine crushing of the powder. Thus, the pulverizing efficiency can be improved through the synergistic optimization of coarse and fine crushing.

[0027] Specifically, a conveying assembly is provided between the hopper 4 and the crushing cylinder 2. The conveying assembly includes a conveying cylinder 15 fixedly connected to the bottom of the hopper 4. The rotation of the stirring rod b16 drives the conveying auger 11 to rotate, thereby using the conveying auger 11 to convey the graphene powder from the hopper 4 to the inside of the crushing cylinder 2, thus achieving the purpose of rapid conveying of graphene powder. The stirring rod b16 is rotatably connected inside the conveying cylinder 15, and the conveying auger 11 is fixedly connected to the outside of the stirring rod b16. A transmission assembly is provided on the outside of the hopper 4. The transmission assembly includes a sprocket a18 located on one side of the conveying cylinder 15, and one end of the stirring rod b16 extends to the outside of the conveying cylinder 15. It is fixedly connected to the center of sprocket a18. The rotation of the shaft 12 can drive the sprocket b19 to rotate, and through the cooperation of the chain 17, it can drive the sprocket a18 to rotate, thus providing a power source for the rotation of the stirring rod b16. One end of the shaft 12 extends to the outside of the hopper 4. The sprocket b19 is fixedly connected to the outside of one of the shafts 12. The sprocket b19 and the sprocket a18 are connected by the chain 17. The transmission assembly also includes a gear 13 fixedly connected to the outside of the shaft 12. The two gears 13 mesh with each other. Through the cooperation of the two gears 13, the two shafts 12 can be driven to rotate, thus realizing the coarse crushing of powder.

[0028] Specifically, a cyclone separator 5 is fixedly installed on one side of the control box 1. A connecting flange 7 is fixedly connected to the top of the cyclone separator 5. Through the action of the cyclone separator 5, the crushed material can be separated, and the finished product is finally placed in the finished product tank 6. A conveying pipe 10 is fixedly connected between the cyclone separator 5 and the crushing cylinder 2. The finished product tank 6 is fixedly installed on the outside of the control box 1 and below the cyclone separator 5. The bottom of the cyclone separator 5 is fixedly connected to the finished product tank 6. A drive motor 3 is fixedly installed on the top of the crushing cylinder 2. The rotation of the output shaft of the drive motor 3 can drive the stirring rod a8 to rotate. The output shaft of the drive motor 3 extends into the interior of the crushing cylinder 2 and is fixedly connected to the stirring rod a8. A DC motor 20 is embedded inside the hopper 4. The rotation of the output shaft of the DC motor 20 can drive one of the rotating shafts 12 to rotate. The output shaft of the DC motor 20 is fixedly connected to one of the rotating shafts 12. The interiors of the hopper 4, the conveying cylinder 15, and the crushing cylinder 2 are interconnected.

[0029] Working principle: First, the operator can start the DC motor 20 and drive motor 3 through an external controller. Then, graphene powder is fed into the hopper 4. Subsequently, the rotation of the output shaft of the DC motor 20 drives one of the rotating shafts 12 to rotate. Through the cooperation of two gears 13, both rotating shafts 12 can be rotated. This utilizes two sets of crushing blades 14 to achieve coarse crushing of the graphene powder. Then, the rotation of the rotating shaft 12 drives the sprocket b19 to rotate. Through the cooperation of the chain 17, the sprocket a18 can be rotated. This allows the auger 11 to transport the graphene powder from the hopper 4 into the crushing cylinder 2, thus achieving rapid conveying of the graphene powder. Then, the rotation of the output shaft of the drive motor 3 drives the stirring rod a8 to rotate, which in turn drives multiple stirring blades 9 to rotate at high speed, thereby achieving fine crushing of the powder. Thus, through the synergistic optimization of coarse and fine crushing, the crushing efficiency is improved.

[0030] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0031] The above are merely preferred embodiments of this application and are not intended to limit this application. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A micro-pulverizer for preparing graphene powder samples, including a control box (1), characterized in that: The top of the control box (1) is fixedly connected to a crushing cylinder (2). The top of the control box (1) is provided with a coarse crushing component. The coarse crushing component includes a feeding hopper (4) on one side of the crushing cylinder (2). Two rotating shafts (12) are rotatably installed inside the feeding hopper (4). A set of crushing blades (14) is fixedly connected to the outside of each rotating shaft (12). The two sets of crushing blades (14) are arranged in an alternating and equidistant manner. The inside of the crushing cylinder (2) is provided with a fine crushing component. The fine crushing component includes a stirring rod a (8) rotatably connected inside the crushing cylinder (2). A number of stirring blades (9) are fixedly connected to the outside of the stirring rod a (8) at equal intervals.

2. The micro-pulverizer for preparing graphene powder samples according to claim 1, characterized in that: A conveying assembly is provided between the feeding hopper (4) and the crushing cylinder (2). The conveying assembly includes a conveying cylinder (15) fixedly connected to the bottom of the feeding hopper (4). A stirring rod b (16) is rotatably connected inside the conveying cylinder (15), and a conveying auger (11) is fixedly connected to the outside of the stirring rod b (16).

3. The micro-pulverizer for preparing graphene powder samples according to claim 2, characterized in that: A transmission assembly is provided on the outside of the hopper (4). The transmission assembly includes a sprocket a (18) disposed on one side of the conveying cylinder (15). One end of the stirring rod b (16) extends to the outside of the conveying cylinder (15) and is fixedly connected to the center of the sprocket a (18). One end of each shaft (12) extends to the outside of the hopper (4). A sprocket b (19) is fixedly connected to the outside of one of the shafts (12). The sprocket b (19) is connected to the sprocket a (18) by a chain (17).

4. The micro-pulverizer for preparing graphene powder samples according to claim 3, characterized in that: The transmission assembly also includes a gear (13) fixedly connected to the outside of the rotating shaft (12), and the two gears (13) are meshed together.

5. The micro-pulverizer for preparing graphene powder samples according to claim 1, characterized in that: A cyclone separator (5) is fixedly installed on one side of the control box (1), and a connecting flange (7) is fixedly connected to the top of the cyclone separator (5). A conveying pipe (10) is fixedly connected between the cyclone separator (5) and the crushing cylinder (2).

6. The micro-pulverizer for preparing graphene powder samples according to claim 1, characterized in that: A finished product tank (6) is fixedly installed on the outside of the control box (1) and below the cyclone separator (5), and the bottom of the cyclone separator (5) is fixedly connected to the finished product tank (6).

7. The micro-pulverizer for preparing graphene powder samples according to claim 1, characterized in that: A drive motor (3) is fixedly installed on the top of the crushing cylinder (2), and the output shaft of the drive motor (3) extends into the interior of the crushing cylinder (2) and is fixedly connected to the stirring rod a (8).

8. The micro-pulverizer for preparing graphene powder samples according to claim 2, characterized in that: The hopper (4) is internally fitted with a DC motor (20), and the output shaft of the DC motor (20) is fixedly connected to one of the rotating shafts (12). The hopper (4), the conveying cylinder (15) and the crushing cylinder (2) are interconnected.

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