CN112546987A

CN112546987A - Graphene production equipment and production process

Info

Publication number: CN112546987A
Application number: CN202011486098.8A
Authority: CN
Inventors: 缑大伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-03-26

Abstract

The invention discloses a graphene production device and a production process, which comprises the following steps: the microwave drying device comprises a reaction box, wherein a movable plate is arranged in the reaction box, a microwave cavity is connected in the movable plate, first sliding grooves are formed in two sides of the top of the reaction box, a quantitative feeding mechanism is connected to the top of the movable plate, and a uniform screening mechanism is arranged in the movable plate; the quantitative feeding mechanism is used for controlling the feeding amount of the graphite oxide particles, and the uniform screening mechanism is used for uniformly spreading the graphite oxide particles in the microwave cavity.

Description

Graphene production equipment and production process

Technical Field

The invention relates to the technical field of graphene, in particular to graphene production equipment and a production process.

Background

In recent years, graphene materials have been the leading field of technological innovation. Because of the advantages of excellent electric conductivity, ultrahigh electron mobility, specific surface area, high heat conductivity, high light transmission, high fracture strength, good chemical stability and the like, the material is known as a miraculous material in the 21 st century, and has wide application prospect in various technical fields. Therefore, developing a process technology for preparing graphene in a large area and on a large scale at low cost and realizing the controllability of the structure and the performance of the graphene becomes a main research target of researchers at present.

However, the conventional graphene material has the following problems during processing:

(1) the existing graphene needs to be placed in a microwave cavity to receive microwave radiation irradiation, but most of graphite oxide particles put into the microwave cavity through a feeding hole are stacked together, so that the graphene oxide particles cannot sufficiently and uniformly receive the microwave radiation;

(2) the existing graphene is not provided with a quantitative control mechanism when being put in, and the graphite oxide particles are not convenient to quantitatively put in the microwave cavity.

Disclosure of Invention

The invention aims to provide graphene production equipment to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a graphene production apparatus comprising: the microwave drying device comprises a reaction box, wherein a movable plate is arranged in the reaction box, a microwave cavity is connected in the movable plate, first sliding grooves are formed in two sides of the top of the reaction box, a quantitative feeding mechanism is connected to the top of the movable plate, and a uniform screening mechanism is arranged in the movable plate;

the quantitative feeding mechanism is used for controlling the feeding amount of the graphite oxide particles, and the screening mechanism is used for uniformly spreading the graphite oxide particles in the microwave cavity.

Further, the quantitative dispensing mechanism comprises: actuating mechanism, belt, first pivot, linkage gear, closing plate, rack, actuating mechanism with first pivot passes through belt transmission connects, the linkage gear cup joint in on the first pivot, the rack install in the bottom both sides of closing plate, the linkage gear with the rack meshing meets.

Further, the driving mechanism includes: piston cylinder, piston rod, first dwang, second dwang, horizontal pole, driving gear, driven gear, the piston rod peg graft in the piston cylinder, first dwang with the one end of second dwang rotate connect in on the horizontal pole, first dwang with the other end of second dwang rotate respectively connect in the driving gear with on the driven gear, the driving gear with the driven gear meshing meets.

Furthermore, actuating mechanism is equipped with two sets ofly, and two sets of actuating mechanism symmetry set up in the bottom both sides of fly leaf, one of them group actuating mechanism establishes driving gear fixedly connected with second pivot, another group actuating mechanism establishes driven gear fixedly connected with third pivot, the second pivot with the third pivot respectively through the belt with first pivot transmission is connected.

Further, the top of piston rod with the bottom fixed connection of fly leaf, the cavity has been seted up to the below of piston cylinder, horizontal pole screw thread install in the cavity, the closing plate is equipped with two, two the both sides bottom of closing plate respectively with two sets of actuating mechanism meshing meets, first slider is installed to the bottom of closing plate, first slider sliding connection in the first spout, the pulling handle is installed to one side screw thread of closing plate, two one side that the closing plate is relative is provided with the bar sealing strip of laminating.

Furthermore, driven gear rotate install in on the bottom lateral wall of reaction box, the second pivot with first pivot with the limiting plate has been cup jointed to the one end symmetry that the belt is connected.

Further, even mechanism of sieve includes: bracing piece, sliding sleeve, connecting block, reset spring, motor, transfer line, carriage release lever, fixed block, rocker, the sliding sleeve activity cup joint in the both ends of bracing piece, reset spring cup joint in on the bracing piece, the top of sliding sleeve is connected with the connecting block, the output of motor with the transfer line transmission is connected, the transfer line with the rocker rotates to be connected, the rocker with the one end of carriage release lever rotates to be connected, the one end of carriage release lever with the fixed block rotates to be connected.

Furthermore, the supporting rods are fixedly arranged on two sides of the bottom of the microwave cavity, the top of the connecting block is fixedly connected with the bottom of the microwave cavity, and the top of the fixing block is fixedly connected with the bottom of the microwave cavity.

Furthermore, a second sliding groove is formed in the inner side walls of the two sides of the reaction box, a second sliding block is connected to the side walls of the two sides of the movable plate, and the second sliding block is connected to the inside of the second sliding groove in a sliding mode.

A graphene production process using the graphene production apparatus as claimed in any one of claims 1 to 7 for production.

Compared with the prior art, the invention has the beneficial effects that:

(1) the invention is provided with the quantitative feeding mechanism, the microwave cavity can be descended under pressure by utilizing the weight of graphene oxide particles during feeding, the piston rod is descended to move in the piston cylinder, the first rotating rod and the second rotating rod are further driven to descend in the piston cylinder, the driving gear and the driven gear are driven to simultaneously rotate inwards, the second rotating shaft and the third rotating shaft are further driven to rotate, the second rotating shaft drives the first rotating shaft connected with the first rotating shaft through belt transmission to rotate, the third rotating shaft drives the other pair of first rotating shafts connected with the first rotating shaft through belt transmission to rotate, further the linkage gears sleeved on the two pairs of first rotating shafts respectively rotate in the same direction with the second rotating shaft and the third rotating shaft, the racks at the bottoms of the sealing plates are connected with the linkage gear engaging teeth, further the two sealing plates move towards the central axis of the reaction box, and the two sealing plates seal the top opening of the reaction box, the feeding is stopped, the structure can drive the quantitative feeding mechanism to seal the feeding port of the reaction box by utilizing the weight of the graphene oxide particles, so that the quantitative feeding is realized, other electric driving mechanisms are not needed, the use is convenient, and the cost is saved;

(2) according to the graphene oxide particle screening device, the screening and homogenizing mechanism is arranged, graphene oxide particles are driven to rotate through the driving transmission rod of the motor when being thrown in, the rocker is driven to rotate, the rocker drives the moving rod to pull the microwave cavity connected with the fixed block, the connecting blocks connected to the periphery of the bottom of the microwave cavity drive the sliding sleeve to move on the supporting rod in a reciprocating mode, the damping effect is achieved through the reset spring, the graphene oxide particles located in the microwave cavity can be screened and homogenized, the graphene oxide particle screening mechanism can achieve the effect of automatically screening and homogenizing graphene oxide particles, and the effect that the radiation irradiation is affected due to the fact that the graphene oxide particles are accumulated in the microwave cavity is.

Drawings

FIG. 1 is a schematic front view of an embodiment of the present invention;

FIG. 2 is a schematic view showing the internal connections of the reaction tank in the embodiment of FIG. 1;

FIG. 3 is a schematic structural view of a side wall of the reaction chamber in the embodiment of FIG. 1;

FIG. 4 is a schematic structural diagram of the dosing mechanism in the embodiment of FIG. 1;

FIG. 5 is a schematic structural view of a driving mechanism in the embodiment of FIG. 1;

FIG. 6 is a schematic view showing the internal structure of the driving mechanism in the embodiment of FIG. 1;

FIG. 7 is a schematic structural view of the top of the reaction tank in the embodiment of FIG. 1;

FIG. 8 is a schematic side view of the reaction chamber in the embodiment of FIG. 1;

FIG. 9 is a schematic structural diagram of the interior of the movable plate in the embodiment of FIG. 1;

FIG. 10 is a schematic structural view of a screen leveling mechanism in the embodiment of FIG. 1;

fig. 11 is a cross-sectional structural view of the embodiment of fig. 9.

Reference numerals: 1. a reaction box; 2. a movable plate; 3. a microwave cavity; 4. a first chute; 5. a second slider; 6. a quantitative delivery mechanism; 61. a drive mechanism; 611. a piston cylinder; 612. a piston rod; 613. a first rotating lever; 614. a second rotating lever; 615. a cross bar; 616. a driving gear; 617. a driven gear; 618. a second rotating shaft; 619. a third rotating shaft; 62. a belt; 63. a first rotating shaft; 64. a linkage gear; 65. a closing plate; 66. a rack; 7. a screening and homogenizing mechanism; 71. a support bar; 72. a sliding sleeve; 73. connecting blocks; 74. a return spring; 75. a motor; 76. a transmission rod; 77. a travel bar; 78. a fixed block; 79. a rocker; 8. a first slider; 9. a second chute; 10. and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 11, a graphene production apparatus includes: the microwave drying device comprises a reaction box 1, wherein a movable plate 2 is arranged in the reaction box 1, a microwave cavity 3 is connected in the movable plate 2, first sliding grooves 4 are formed in two sides of the top of the reaction box 1, a quantitative feeding mechanism 6 is connected to the top of the movable plate 2, and a uniform screening mechanism 7 is arranged in the movable plate 2;

the quantitative feeding mechanism 6 is used for controlling the feeding amount of the graphite oxide particles, and the uniform screening mechanism 7 is used for uniformly spreading the graphite oxide particles in the microwave cavity 3.

The quantitative dispensing mechanism 6 includes: actuating mechanism 61, belt 62, first pivot 63, linkage gear 64, closing plate 65, rack 66, actuating mechanism 61 with first pivot 63 passes through belt 62 transmission is connected, linkage gear 64 cup joint in on the first pivot 63, rack 66 install in closing plate 65's bottom both sides, linkage gear 64 with rack 66 meshing meets, can drive first pivot 63 through actuating mechanism 61 and rotate, and then drives linkage gear 64 and rotate, drives closing plate 65 through linkage gear 64 and removes under the effect of rack 66.

The drive mechanism 61 includes: the piston cylinder 611, the piston rod 612, the first rotating rod 613, the second rotating rod 614, the cross bar 615, the driving gear 616 and the driven gear 617 are inserted into the piston cylinder 611, one end of the first rotating rod 613 and one end of the second rotating rod 614 are rotatably connected to the cross bar 615, the other end of the first rotating rod 613 and the other end of the second rotating rod 614 are rotatably connected to the driving gear 616 and the driven gear 617 respectively, the driving gear 616 and the driven gear 617 are engaged and connected, and the piston rod 612 descends in the piston cylinder 611, so that the first rotating rod 613 and the second rotating rod 614 descend to push the driving gear 616 and the driven gear 617 to rotate.

The two sets of driving mechanisms 61 are provided, the two sets of driving mechanisms 61 are symmetrically disposed on two sides of the bottom of the movable plate 2, wherein a driving gear 616 of one set of driving mechanisms 61 is fixedly connected with a second rotating shaft 618, so that the driving gear 616 rotates to drive the second rotating shaft 618 to rotate clockwise, the second rotating shaft 618 can drive a first rotating shaft 63 which is in transmission connection with the driving gear 616 through a belt 62 to rotate in the same direction, a linkage gear 64 which is in transmission connection with the set of driving mechanisms 61 is kept to rotate clockwise, a sealing plate 65 which is fixedly connected with a rack 66 is pushed to move, a driven gear 617 of the other set of driving mechanisms 61 is fixedly connected with a third rotating shaft 619, the second rotating shaft 618 and the third rotating shaft 619 are in transmission connection with the first rotating shaft 63 through a belt 62 respectively, the driven gear 617 of the other set of driving mechanisms 61 rotates to drive the third rotating shaft 619 to rotate counterclockwise, and the third rotating shaft 619 drives the other first rotating shaft 63 which To rotating, and then promote another closing plate 65 with rack 66 fixed connection and remove, through the mode that is connected second pivot 618 and third pivot 619 with driving gear 616 and driven gear 617 in two sets of actuating mechanism 61 respectively, make second pivot 618 and third pivot 619 rotate with clockwise and anticlockwise direction respectively, and then make the linkage gear 64 who is connected with two sets of actuating mechanism 61 transmission respectively realize clockwise and anticlockwise direction and rotate, make two closing plates 65 can move to the middle part of reaction box 1 and realize sealing, and then close reaction box 1, stop to throw the material.

The top of piston rod 612 and the bottom fixed connection of fly leaf 2, the cavity has been seted up to the below of piston cylinder 611, horizontal pole 615 threaded mounting is in the cavity, be convenient for the installation of first dwang 613 and second dwang 614, closing plate 65 is equipped with two, the both sides bottom of two closing plates 65 is engaged with two sets of actuating mechanism 61 respectively, first slider 8 is installed to the bottom of closing plate 65, first slider 8 sliding connection is in first spout 4, be convenient for closing plate 65 to remove in first slider 8, the pulling handle is installed to one side screw thread of closing plate 65, be convenient for open two closing plates 65 through the pulling handle, the opposite one side of two closing plates 65 is provided with the bar sealing strip of laminating.

Driven gear 617 rotates and installs on the bottom lateral wall of reaction box 1, the fixed of driven gear 617 of being convenient for, and limiting plate 10 has been cup jointed to the one end symmetry that second pivot 618 and first pivot 63 are connected with belt 62, avoids belt 62 to shift.

Even mechanism 7 of sieve includes: the support rod 71, the sliding sleeve 72, the connecting block 73, the return spring 74, the motor 75, the transmission rod 76, the moving rod 77, the fixed block 78 and the rocker 79, wherein the sliding sleeve 72 is movably sleeved at two ends of the support rod 71, the return spring 74 is sleeved on the support rod 71, the top of the sliding sleeve 72 is connected with the connecting block 73, the output end of the motor 75 is in transmission connection with the transmission rod 76, the transmission rod 76 is in rotational connection with the rocker 79, the rocker 79 is in rotational connection with one end of the moving rod 77, one end of the moving rod 77 is in rotational connection with the fixed block 78, through the driving of the transmission rod, thereby driving the rocker 79 to rotate, driving the moving rod 77 to pull the microwave cavity 3 connected with the fixed block 78 through the rocker 79, enabling the connecting blocks 73 connected around the bottom of the microwave cavity 3 to drive the sliding sleeve 72 to move on the supporting rod 71 in a reciprocating manner, and the reset spring 74 plays a role in shock absorption and shock absorption, so that graphene oxide particles in the microwave cavity 3 can be uniformly screened.

The supporting rods 71 are fixedly arranged on two sides of the bottom of the microwave cavity 3, the top of the connecting block 73 is fixedly connected with the bottom of the microwave cavity 3, the top of the fixing block 78 is fixedly connected with the bottom of the microwave cavity 3, and the moving rod 77 can be driven to move the microwave cavity 3 conveniently.

The inside wall of the both sides of reaction box 1 has seted up second spout 9, and the both sides lateral wall of fly leaf 2 is connected with second slider 5, and second slider 5 sliding connection avoids fly leaf 2 to shift at the descending in-process in second spout 9.

In summary, in the graphene production equipment provided by the invention, during operation,

firstly, feeding materials through the top of the reaction box 1, dropping the charged graphene oxide particles into the microwave cavity 3, making the microwave cavity 3 descend along with the increase of the graphene particles, making the piston rod 612 move in the piston cylinder 611, further driving the first rotating rod 613 and the second rotating rod 614 to descend in the piston cylinder 611, driving the driving gear 616 and the driven gear 617 to simultaneously rotate inwards, making the second rotating shaft 618 and the third rotating shaft 619 respectively rotate in clockwise and anticlockwise directions by respectively connecting the second rotating shaft 618 and the third rotating shaft 619 with the driving gear 616 and the driven gear 617 in the two groups of driving mechanisms 61, further making the linkage gear 64 respectively in transmission connection with the two groups of driving mechanisms 61 rotate in clockwise and anticlockwise directions, further pushing the two sealing plates 65 fixedly connected with the rack 66 to move towards the middle of the reaction box 1 to realize sealing, further stopping feeding;

meanwhile, when the material is fed, the motor 75 is started, the driving rod 76 is driven by the motor 75 to rotate, the rocker 79 is driven to rotate, the moving rod 77 is driven by the rocker 79 to pull the microwave cavity 3 connected with the fixed block 78, the connecting block 73 connected with the periphery of the bottom of the microwave cavity 3 drives the sliding sleeve 72 to reciprocate on the supporting rod 71, and the damping effect is achieved through the return spring 74,

finally, after the microwave radiation irradiation is completed, a pulling handle is installed through threads on one side of the closing plates 65, the two closing plates 65 are opened through the pulling handle, the rack 66 drives the linkage gear 64 to rotate, the driving device is connected with the second rotating shaft 618 and the third rotating shaft 619 through the belt 62 to move in the counterclockwise direction and the clockwise direction respectively, the direction of the moving plate 2 in the descending state is opposite to that of the moving plate, at this time, the driving gear 616 and the driven gear 617 rotate in the counterclockwise direction and the clockwise direction respectively, and then the first rotating rod 613 and the second rotating rod 614 lift the piston rod 612, so that the piston rod 612 rises in the piston cylinder 611, the moving plate 2 is lifted and reset, and the product is convenient to take out.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A graphene production apparatus comprising: the microwave drying device comprises a reaction box (1), wherein a movable plate (2) is arranged in the reaction box (1), a microwave cavity (3) is connected in the movable plate (2), and first sliding chutes (4) are formed in two sides of the top of the reaction box (1), and is characterized in that a quantitative feeding mechanism (6) is connected to the top of the movable plate (2), and a uniform screening mechanism (7) is arranged in the movable plate (2);

the quantitative feeding mechanism (6) is used for controlling the feeding amount of graphite oxide particles, and the screening mechanism (7) is used for uniformly spreading the graphite oxide particles in the microwave cavity (3);

the even mechanism of sieve (7) includes: the device comprises a support rod (71), a sliding sleeve (72), a connecting block (73), a reset spring (74), a motor (75), a transmission rod (76), a moving rod (77), a fixed block (78) and a rocker (79), wherein the sliding sleeve (72) is movably sleeved at two ends of the support rod (71), the reset spring (74) is sleeved on the support rod (71), the top of the sliding sleeve (72) is connected with the connecting block (73), the output end of the motor (75) is in transmission connection with the transmission rod (76), the transmission rod (76) is in rotational connection with the rocker (79), the rocker (79) is in rotational connection with one end of the moving rod (77), and one end of the moving rod (77) is in rotational connection with the fixed block (78);

the supporting rod (71) is fixedly arranged on two sides of the bottom of the microwave cavity (3), the top of the connecting block (73) is fixedly connected with the bottom of the microwave cavity (3), and the top of the fixing block (78) is fixedly connected with the bottom of the microwave cavity (3).

2. Graphene production apparatus according to claim 1, wherein the dosing mechanism (6) comprises: actuating mechanism (61), belt (62), first pivot (63), linkage gear (64), closing plate (65), rack (66), actuating mechanism (61) with first pivot (63) pass through belt (62) transmission is connected, linkage gear (64) cup joint in on first pivot (63), rack (66) install in the bottom both sides of closing plate (65), linkage gear (64) with rack (66) meshing meets.

3. Graphene production apparatus according to claim 2, wherein the drive mechanism (61) comprises: piston cylinder (611), piston rod (612), first dwang (613), second dwang (614), horizontal pole (615), driving gear (616), driven gear (617), piston rod (612) peg graft in piston cylinder (611), first dwang (613) with the one end of second dwang (614) rotate connect in on horizontal pole (615), first dwang (613) with the other end of second dwang (614) rotate respectively connect in driving gear (616) with driven gear (617) on, driving gear (616) and driven gear (617) meshing meet.

4. The graphene production equipment according to claim 3, wherein two sets of driving mechanisms (61) are provided, the two sets of driving mechanisms (61) are symmetrically arranged on two sides of the bottom of the movable plate (2), the driving gear (616) of one set of driving mechanisms (61) is fixedly connected with a second rotating shaft (618), the driven gear (617) of the other set of driving mechanisms (61) is fixedly connected with a third rotating shaft (619), and the second rotating shaft (618) and the third rotating shaft (619) are respectively in transmission connection with the first rotating shaft (63) through the belt (62).

5. The graphene production equipment according to claim 4, wherein the top of the piston rod (612) is fixedly connected with the bottom of the movable plate (2), a cavity is formed below the piston cylinder (611), the cross rod (615) is installed in the cavity in a threaded manner, two closing plates (65) are arranged, the bottoms of two sides of the two closing plates (65) are respectively meshed and connected with the two sets of driving mechanisms (61), a first sliding block (8) is installed at the bottom of the closing plate (65), the first sliding block (8) is connected in the first sliding groove (4) in a sliding manner, a pulling handle is installed on one side of the closing plate (65) in a threaded manner, and a strip-shaped sealing strip is arranged on the opposite side of the two closing plates (65) in a fitted manner.

6. The graphene production equipment according to claim 5, wherein the driven gear (617) is rotatably mounted on the bottom side wall of the reaction box (1), and the limiting plates (10) are symmetrically sleeved at one ends of the second rotating shaft (618) and the first rotating shaft (63) connected with the belt (62).

7. The graphene production equipment according to claim 1, wherein a second sliding groove (9) is formed in the inner side walls of the two sides of the reaction box (1), a second sliding block (5) is connected to the side walls of the two sides of the movable plate (2), and the second sliding block (5) is slidably connected to the inside of the second sliding groove (9).

8. A graphene production process, characterized in that the graphene production equipment according to any one of claims 1 to 7 is used for production.