Device for preparing graphene

Abstract

The utility model discloses a device for preparing graphene, and relates to the technical field of graphene preparation. The device for preparing graphene comprises a mixing tank, the outer wall of the mixing tank is fixedly connected with a supporting plate, the outer wall of the mixing tank is fixedly connected with a feeding pipe, the bottom of the mixing tank is fixedly connected with a discharging pipe, the upper end of the mixing tank is fixedly connected with a fixing plate, and the outer wall of the upper end of the fixing plate is fixedly connected with a top plate. A lifting stirring device is arranged at the lower end of the top plate; and the lifting stirring device comprises a motor, and the motor is fixedly connected to the upper end of the top plate. By arranging the lifting stirring device, the stirring barrel and the stirring rod can rotate while moving up and down in a reciprocating manner, so that the upper end and the lower end in the mixing tank can be fully stirred, and the situation that the stirring effect is influenced by inertia formed by unidirectional stirring in a horizontal position all the time can be avoided; and the stirring sufficiency and quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of graphene preparation, and specifically relates to a device for preparing graphene. Background Technique

[0002] Graphene is an allotrope of carbon, and carbon atoms are bonded by sp 2 hybridization to form a single-layer hexagonal honeycomb lattice graphene. Using this crystal structure of graphene, fullerenes (C60), graphene quantum dots, carbon nanotubes, nanoribbons, multi-walled carbon nanotubes, and nanohorns can be constructed. Graphene layers stacked together (more than 10 layers) form graphite, and the layers are held together by van der Waals forces, with an interplanar spacing of 0.335 nanometers.

[0003] For example, in Chinese Patent: CN214141595U, the technical solution disclosed in this patent is as follows: A device for preparing graphene, which relates to the technical field of graphene preparation. This device for preparing graphene includes a stirring tank. The top of the stirring tank is movably connected to a motor bracket. One end of the motor bracket away from the stirring tank is movably connected to a driving motor. The output end of the driving motor is movably connected to a hydraulic rod. One end of the hydraulic rod away from the driving motor is movably connected to a tooth cover, and the hydraulic rod passes through the tooth cover and is located in the middle of the tooth cover. One end of the tooth cover away from the hydraulic rod is movably connected to a gear ring, and the gear ring is meshed with a planetary gear. In this device for preparing graphene, through the mutual cooperation among the driving motor, the hydraulic rod, the sun gear, the planetary gear, the gear ring, the tooth cover, and the stirrer, it is convenient to make the liquid flow during the stirring process, improve the stirring efficiency, and at the same time facilitate the mixing of materials, improve the reaction efficiency, and also improve the use effect.

[0004] However, in actual use, the stirrer in the above patent is entirely located at the upper end of the stirring tank. Therefore, the raw materials at the lower end of the stirring tank will not be stirred and mixed sufficiently, which will affect the stirring quality of graphene. Summary of the Invention

[0005] In view of the deficiencies of the prior art, the present utility model provides a device for preparing graphene, which solves the problems raised in the above-mentioned background art. To achieve the above objectives, the present utility model is realized through the following technical solutions: A device for preparing graphene, including a mixing tank, the outer wall of the mixing tank is fixedly connected with a support plate, the outer wall of the mixing tank is fixedly connected with a feed pipe, the bottom of the mixing tank is fixedly connected with a discharge pipe, the upper end of the mixing tank is fixedly connected with a fixing plate, the outer wall of the upper end of the fixing plate is fixedly connected with a top plate, and a lifting and stirring device is arranged at the lower end of the top plate; The lifting and stirring device includes a motor, the motor is fixedly connected to the upper end of the top plate, the output end of the motor is fixedly connected with a transmission rod, the outer wall of the transmission rod is fixedly sleeved with a worm A and a worm B, the sides of the worm A and the worm B are respectively engaged with a worm gear A and a worm gear B, the middle of the worm gear B is fixedly connected with a rotating rod, the lower end of the rotating rod passes through the top plate through a bearing, the outer wall of the rotating rod is slidably connected with a stirring cylinder, the outer wall of the stirring cylinder is fixedly connected with stirring rods, the inner wall of the stirring cylinder is provided with a chute, the outer wall of the rotating rod is fixedly connected with a sliding rod, and the sliding rod is slidably connected with the chute, the middle of the worm gear A is fixedly sleeved with a reciprocating lead screw, the outer wall of the reciprocating lead screw is threadedly connected with a connecting plate, and the stirring cylinder is rotatably connected with the connecting plate through a bearing.

[0006] The present utility model provides a device for preparing graphene. It has the following beneficial effects:

[0007] (1) By setting the lifting and stirring device, the present utility model can realize that the stirring cylinder and the stirring rods move up and down reciprocally while rotating, fully stirring both the upper and lower ends inside the mixing tank, and can avoid the inertial influence on the stirring effect caused by continuously stirring in a horizontal position in one direction, improving the sufficiency and quality of stirring.

[0008] (2) By setting the vibration mechanism, the present utility model can make the knocking ball knock on the conduction block while the stirring cylinder rotates, causing the mixing tank to vibrate, thereby avoiding the adhesion of raw materials to the inner wall of the mixing tank. Description of the Drawings

[0009] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0010] Figure 2 It is for the present utility model Figure 1 Schematic diagram of the structure at position A;

[0011] Figure 3 It is a front sectional view structure diagram of the present utility model;

[0012] Figure 4 It is for the present utility model Figure 3 Enlarged structure diagram at position B;

[0013] Figure 5 For the present utility model Figure 3 is a schematic enlarged view of the structure at position C in it.

[0014] In the figure: 1, mixing tank; 2, support plate; 3, feed pipe; 4, discharge pipe; 5, fixed plate; 6, top plate; 701, motor; 702, transmission rod; 703, worm A; 704, worm B; 705, worm gear A; 706, worm gear B; 707, rotating rod; 708, stirring barrel; 709, stirring rod; 710, chute; 711, sliding rod; 712, reciprocating lead screw; 713, connecting plate; 714, limit block; 801, connecting block; 802, fixed cylinder; 803, movable rod; 804, spring; 805, knocking ball; 806, conduction block. Specific embodiments

[0015] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0016] Embodiment 1

[0017] Please refer to Figures 1 - 5 , a device for preparing graphene, including a mixing tank 1. The outer wall of the mixing tank 1 is fixedly connected to a support plate 2. The outer wall of the mixing tank 1 is fixedly connected with a feed pipe 3. The bottom of the mixing tank 1 is fixedly connected with a discharge pipe 4. The upper end of the mixing tank 1 is fixedly connected with a fixed plate 5. The outer wall of the upper end of the fixed plate 5 is fixedly connected with a top plate 6. A lifting and stirring device is arranged at the lower end of the top plate 6; the lifting and stirring device includes a motor 701. The motor 701 is fixedly connected to the upper end of the top plate 6. The output end of the motor 701 is fixedly connected with a transmission rod 702. The outer wall of the transmission rod 702 is fixedly sleeved with a worm A 703 and a worm B 704. The sides of the worm A 703 and the worm B 704 are respectively engaged with a worm gear A 705 and a worm gear B 706. The middle of the worm gear B 706 is fixedly connected with a rotating rod 707. The lower end of the rotating rod 707 passes through the top plate 6 through a bearing. The outer wall of the rotating rod 707 is slidably connected with a stirring barrel 708. The outer wall of the stirring barrel 708 is fixedly connected with a stirring rod 709. The inner wall of the stirring barrel 708 is provided with a chute 710. The outer wall of the rotating rod 707 is fixedly connected with a sliding rod 711. The sliding rod 711 is slidably connected with the chute 710. The middle of the worm gear A 705 is fixedly sleeved with a reciprocating lead screw 712. The outer wall of the reciprocating lead screw 712 is threadedly connected with a connecting plate 713. The stirring barrel 708 is rotatably connected with the connecting plate 713 through a bearing.

[0018] There are two sliding rods 711 and chutes 710, and they are symmetrically arranged on both sides of the rotating rod 707.

[0019] One side outer wall of the connecting plate 713 close to the fixed plate 5 is slidably connected to the fixed plate 5.

[0020] The lifting and stirring device further includes a limiting block 714, and the limiting block 714 is fixedly connected to the bottom of the reciprocating lead screw 712.

[0021] The reciprocating lead screw 712 and the rotating rod 707 are located in the same vertical plane and the rotating rod 707 is located at the central position of the mixing tank 1.

[0022] In this embodiment, by setting the lifting and stirring device, the stirring cylinder 708 and the stirring rod 709 can rotate while moving up and down reciprocally, so that the upper and lower ends inside the mixing tank 1 can be fully stirred, and the inertial influence on the stirring effect caused by unidirectional stirring in the horizontal position all the time can be avoided, improving the stirring sufficiency and quality.

[0023] During use, start the motor 701 to drive the transmission rod 702 to rotate. The worm A 703 and the worm B 704 fixedly sleeved on its outer wall will rotate accordingly. The worm gear A 705 and the worm gear B 706 meshing with them will rotate accordingly. The worm gear B 706 will drive the rotating rod 707 to rotate. Under the limitation of the sliding groove 710 and the sliding rod 711, the stirring cylinder 708 will be driven to rotate, driving the stirring rod 709 to stir the raw materials inside the mixing tank 1. At the same time, the worm gear A 705 will drive the reciprocating lead screw 712 to rotate. The connecting plate 713 threadedly connected to its outer wall will move up and down reciprocally on its outer wall, driving the stirring cylinder 708 to move up and down reciprocally, and driving the stirring rod 709 to stir while moving up and down. At the same time, the sliding rod 711 on the outer wall of the rotating rod 707 will move in the sliding groove 710 inside the stirring cylinder 708. The switching of the up and down reciprocating motion can be realized by the forward and reverse rotation of the motor 701.

[0024] Embodiment Two

[0025] Please refer to Figures 1 - 5 , on the basis of Embodiment One, a vibration mechanism is arranged inside the mixing tank 1. The vibration mechanism includes a connecting block 801. The connecting block 801 is fixedly sleeved on the outer wall of the stirring cylinder 708. Fixed cylinders 802 are fixedly connected to both side outer walls of the connecting block 801. An active rod 803 is slidably connected inside the fixed cylinder 802. A spring 804 is arranged inside the fixed cylinder 802. Two ends of the spring 804 are respectively fixedly connected to the inner bottom end of the fixed cylinder 802 and the active rod 803. One end of the active rod 803 is fixedly connected to a knocking ball 805. A conduction block 806 is fixedly connected to the inner wall of the mixing tank 1.

[0026] The length of the conduction block 806 is greater than the moving range of the upper and lower ends of the knocking ball 805.

[0027] One side of the conduction block 806 close to the knocking ball 805 is arranged in an arc shape.

[0028] There are two fixing cylinders 802, movable rods 803, springs 804 and knocking balls 805, which are symmetrically arranged on both sides of the connecting block 801.

[0029] The position of the connecting block 801 is higher than the position of the stirring rod 709 at the topmost end of the outer wall of the mixing cylinder 708.

[0030] In this embodiment, by setting the vibration mechanism, the knocking ball 805 can knock the conduction block 806 while the mixing cylinder 708 is rotating, so as to make the mixing tank 1 vibrate, thereby avoiding the adhesion of raw materials to the inner wall of the mixing tank 1.

[0031] During use, on the basis of the first embodiment, when the mixing cylinder 708 rotates, it will drive the connecting block 801 to rotate accordingly. Then, the fixing cylinder 802 on its outer wall will rotate accordingly, and then the movable rod 803 and the knocking ball 805 will rotate accordingly. When the knocking ball 805 impacts the conduction block 806, the mixing tank 1 will vibrate. At the same time, the movable rod 803 will squeeze the spring 804 and slide into the fixing cylinder 802. When the knocking ball 805 passes over the conduction block 806, the movable rod 803 will reset, enabling the knocking ball 805 to perform the next knock.

[0032] The above is only the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent replacements or changes, and should be covered by the protection scope of the present utility model.

Claims

1. An apparatus for preparing graphene, comprising a mixing tank (1), characterized in that: The outer wall of the mixing tank (1) is fixedly connected to a support plate (2). The outer wall of the mixing tank (1) is fixedly connected to a feed pipe (3). The bottom of the mixing tank (1) is fixedly connected to a discharge pipe (4). The upper end of the mixing tank (1) is fixedly connected to a fixing plate (5). The outer wall of the upper end of the fixing plate (5) is fixedly connected to a top plate (6). A lifting and stirring device is arranged at the lower end of the top plate (6). The lifting and stirring device includes a motor (701). The motor (701) is fixedly connected to the upper end of the top plate (6). The output end of the motor (701) is fixedly connected to a transmission rod (702). The outer wall of the transmission rod (702) is fixedly sleeved with a worm A (703) and a worm B (704). The sides of the worm A (703) and the worm B (704) are respectively engaged with a worm gear A (705) and a worm gear B (706). The middle of the worm gear B (706) is fixedly connected to a rotating rod (707). The lower end of the rotating rod (707) passes through the top plate (6) through a bearing. The outer wall of the rotating rod (707) is slidably connected to a stirring cylinder (708). The outer wall of the stirring cylinder (708) is fixedly connected to a stirring rod (709). The inner wall of the stirring cylinder (708) is provided with a chute (710). The outer wall of the rotating rod (707) is fixedly connected to a sliding rod (711). The sliding rod (711) is slidably connected to the chute (710). The middle of the worm gear A (705) is fixedly sleeved with a reciprocating lead screw (712). The outer wall of the reciprocating lead screw (712) is threadedly connected to a connecting plate (713). The stirring cylinder (708) is rotatably connected to the connecting plate (713) through a bearing.

2. The apparatus for preparing graphene according to claim 1, wherein: There are two sliding rods (711) and the chute (710), which are symmetrically arranged on both sides of the rotating rod (707).

3. The device for preparing graphene according to claim 2, characterized in that: One side outer wall of the connecting plate (713) close to the fixing plate (5) is slidably connected to the fixing plate (5).

4. The apparatus for preparing graphene according to claim 3, wherein: The lifting and stirring device further includes a limiting block (714). The limiting block (714) is fixedly connected to the bottom of the reciprocating lead screw (712).

5. The device for preparing graphene according to claim 4, characterized in that: The reciprocating lead screw (712) and the rotating rod (707) are located in the same vertical plane and the rotating rod (707) is located at the central position of the mixing tank (1).

6. The device for preparing graphene according to claim 5, characterized in that: A vibration mechanism is arranged inside the mixing tank (1). The vibration mechanism includes a connecting block (801). The connecting block (801) is fixedly sleeved on the outer wall of the stirring cylinder (708). The outer walls on both sides of the connecting block (801) are fixedly connected to fixing cylinders (802). An active rod (803) is slidably connected inside the fixing cylinder (802). A spring (804) is arranged inside the fixing cylinder (802). The two ends of the spring (804) are respectively fixedly connected to the inner bottom end of the fixing cylinder (802) and the active rod (803). One end of the active rod (803) is fixedly connected to a knocking ball (805). The inner wall of the mixing tank (1) is fixedly connected to a conduction block (806).

7. The device for preparing graphene according to claim 6, characterized in that: The length of the conduction block (806) is greater than the moving range of the upper and lower ends of the knocking ball (805).

8. The device for preparing graphene according to claim 7, wherein: The side of the conduction block (806) close to the percussion ball (805) is arranged in an arc shape.

9. The apparatus for preparing graphene according to claim 8, wherein: There are two fixing cylinders (802), movable rods (803), springs (804), and percussion balls (805), which are symmetrically arranged on both sides of the connecting block (801).

10. The device for preparing graphene according to claim 9, characterized in that: The position of the connecting block (801) is higher than the position of the stirring rod (709) at the topmost part of the outer wall of the stirring cylinder (708).

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