A graphene masterbatch grinding and processing device

Abstract

The utility model relates to a graphene masterbatch grinding and processing device, and particularly to the field of graphene production technology. The utility model includes a grinding box, a material distribution mechanism, a feed port, a rotating shaft, a grinding motor, a grinding roller, a first grinding block, a first discharge port, a second grinding block, a third grinding block, a second discharge port, and a third discharge port. By setting a first screen, a second screen, and a third screen, the graphene can be ground and screened along a grinding channel without repeatedly exporting the graphene, simplifying the grinding steps and greatly improving the grinding efficiency. The distribution of the third grinding ball and the fourth grinding ball is denser than that of the first grinding ball and the second grinding ball, and the distribution of the fifth grinding ball and the sixth grinding ball is denser than that of the third grinding ball and the fourth grinding ball. By setting in this way, the graphene masterbatch can be adapted to be ground from coarse to fine, and the grinding effect is good, thereby improving the grinding quality and efficiency of the graphene.

Description

Technical Field

[0001] The utility model relates to the technical field of graphene production, in particular to a graphene masterbatch grinding and processing device. Background Art

[0002] As a two-dimensional material with excellent electrical, thermal and mechanical properties, graphene has broad application prospects in electronics, energy, biomedicine and other fields. However, the preparation process of graphene is complicated, especially the grinding process of graphene masterbatch, which requires efficient and sophisticated equipment to ensure its quality and performance.

[0003] The existing grinding equipment directly exports the graphene masterbatch after grinding, and then tests the ground graphene to check whether its particle size meets the requirements. The graphene that meets the requirements is retained, and the graphene that does not meet the requirements is continued to be ground. This process is repeated, which is not only cumbersome to operate, but also greatly reduces the grinding efficiency. Utility Model Content

[0004] (1) Technical solution

[0005] In order to solve the above technical problems, the utility model provides a graphene masterbatch grinding processing device, including a grinding box, a material balancing mechanism, a feed port, a rotating shaft, a grinding motor, a grinding roller, a first grinding block, a first discharge port, a second grinding block, a third grinding block, a second discharge port, and a third discharge port. The feeding port is provided at the top of the grinding box, and the material balancing mechanism is connected to the upper end of the feeding port. The rotating shaft is vertically and downwardly installed at the middle of the inner wall at the top of the grinding box, and the rotating shaft is driven by the grinding motor. The grinding roller and the second grinding block are connected to the rotating shaft from top to bottom in sequence. The first grinding blocks matched with the grinding roller and the second grinding block are provided on the inner walls on both sides of the upper part of the grinding box, and the third grinding blocks matched with the second grinding block are provided on the inner walls on both sides of the lower part of the grinding box. Grinding block, a "Z"-shaped grinding channel is formed between the grinding roller, the first grinding block, the second grinding block and the third grinding block, a grinding piece is arranged in the grinding channel, the first grinding block, the second grinding block and the third grinding block are all hollow structures, a first screen is arranged on the side of the first grinding block that cooperates with the grinding roller, a second screen is arranged on the side of the second grinding block that cooperates with the first grinding block, a third screen is arranged on the side of the third grinding block that cooperates with the third grinding block, the first discharge port and the third discharge port are arranged in sequence from top to bottom on the side wall of the grinding box, the second discharge port is arranged at the bottom of the second grinding block, the bottom surface of the first grinding block is inclined toward the first discharge port, and the bottom surface of the third grinding block is inclined toward the third discharge port.

[0006] Preferably, the material equalizing mechanism includes a material equalizing barrel, a feed port, a feed port, a rotating shaft, and a partition. The material equalizing barrel is provided with the feed port at the top, the feed port is provided with the feed port at the bottom, the rotating shaft is rotatably installed in the material equalizing barrel, and there are more than two partitions equidistantly distributed in a ring on the rotating shaft. A conveyor belt is provided above the feed port, and the feed port is connected to the upper end of the feed port.

[0007] Preferably, the top surface of the grinding roller is inclined toward the upper end of the first screen, and there are two feed ports, which are respectively located on both sides of the rotating shaft.

[0008] Preferably, the grinding member includes a first grinding ball arranged on the bottom surface of the grinding roller, a second grinding ball arranged on the first screen and arranged in an alternating distribution with the first grinding ball, a third grinding ball arranged on the bottom surface of the first grinding block, a fourth grinding ball arranged on the second screen and arranged in an alternating distribution with the third grinding ball, a fifth grinding ball arranged on the bottom surface of the second grinding block, and a sixth grinding ball arranged on the third screen and arranged in an alternating distribution with the fifth grinding ball.

[0009] Preferably, the first screen is inclined toward the upper end of the second screen, and the second screen is inclined toward the upper end of the third screen.

[0010] Preferably, the third grinding balls and the fourth grinding balls are distributed more densely than the first grinding balls and the second grinding balls, and the fifth grinding balls and the sixth grinding balls are distributed more densely than the third grinding balls and the fourth grinding balls.

[0011] Preferably, the second grinding block is in a diamond shape and the second discharge port is located at the lowest point of the bottom of the second grinding block.

[0012] Preferably, the mesh sizes of the first sieve, the second sieve and the third sieve are consistent.

[0013] (2) Beneficial effects

[0014] The utility model provides a graphene masterbatch grinding and processing device. Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The combination of dynamic and static grinding is achieved through the cooperation between dynamic grinding balls and static grinding balls, which improves the grinding effect and efficiency.

[0016] 2. By setting the first sieve, the second sieve and the third sieve, the graphene can be ground and screened along the grinding channel without repeatedly exporting the graphene, which simplifies the grinding steps and greatly improves the grinding efficiency.

[0017] 3. The distribution of the third grinding ball and the fourth grinding ball is denser than that of the first grinding ball and the second grinding ball, and the distribution of the fifth grinding ball and the sixth grinding ball is denser than that of the third grinding ball and the fourth grinding ball. Such an arrangement can adapt to the grinding of graphene masterbatch from coarse to fine, with good grinding effect, thereby improving the grinding quality and efficiency of graphene.

[0018] 4. By setting up a material balancing mechanism, the graphene masterbatch can be evenly fed before grinding, thereby improving the grinding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model.

[0020] Figure 2 It is a structural schematic diagram of the material equalizing mechanism of the utility model.

[0021] The figures are marked as: 1-grinding box, 2-conveyor belt, 3-material equalizing mechanism, 31-material equalizing barrel, 32-feeding port, 33-discharging port, 34-rotating shaft, 35-partition, 4-feeding port, 5-rotating shaft, 6-grinding motor, 7-grinding roller, 71-first grinding ball, 8-first grinding block, 81-second grinding ball, 82-first screen, 83-third grinding ball, 9-first discharge port, 10-second grinding block, 101-fourth grinding ball, 102-second screen, 103-fifth grinding ball, 11-third grinding block, 111-sixth grinding ball, 112-third screen, 12-second discharge port, 13-third discharge port. DETAILED DESCRIPTION

[0022] The utility model is further described in conjunction with the accompanying drawings and embodiments.

[0023] like Figure 1 , 2As shown, a graphene masterbatch grinding and processing device described in the utility model comprises a grinding box 1, a material balancing mechanism 3, a feed port 4, a rotating shaft 5, a grinding motor 6, a grinding roller 7, a first grinding block 8, a first discharge port 9, a second grinding block 10, a third grinding block 11, a second discharge port 12, and a third discharge port 13. The feeding port 4 is provided on the top of the grinding box 1, and the upper end of the feeding port 4 is connected with the material balancing mechanism 3. The rotating shaft 5 is vertically and downwardly installed at the middle of the top inner wall of the grinding box 1. The rotating shaft 5 is driven by the grinding motor 6. The grinding roller 7 and the second grinding block 10 are connected to the rotating shaft 5 from top to bottom in sequence. The first grinding blocks 8 matched with the grinding roller 8 and the second grinding block 10 are provided on the inner walls on both sides of the upper part of the grinding box 1. The third grinding blocks 11 matched with the second grinding block 10 are provided on the inner walls on both sides of the lower part of the grinding box 1. The grinding roller 7, the first grinding block 8, the second A "Z"-shaped grinding channel is formed between the grinding block 10 and the third grinding block 11, which appropriately extends the grinding path, ensures that the grinding is more sufficient and thorough, and ensures the grinding quality of graphene; a grinding piece is arranged in the grinding channel, the first grinding block 8, the second grinding block 10 and the third grinding block 11 are all hollow structures, a first screen 82 is arranged on the side of the first grinding block 8 that cooperates with the grinding roller 7, a second screen 102 is arranged on the side of the second grinding block 10 that cooperates with the first grinding block 8, a third screen 112 is arranged on the side of the third grinding block 11 that cooperates with the third grinding block 11, the first discharge port 9 and the third discharge port 13 are arranged in sequence from top to bottom on the side wall of the grinding box 1, the second discharge port 12 is arranged at the bottom of the second grinding block 10, the bottom surface of the first grinding block 8 is inclined toward the first discharge port 9, and the bottom surface of the third grinding block 11 is inclined toward the third discharge port 13.

[0024] The material balancing mechanism 3 includes a material balancing barrel 31, a material inlet 32, a material discharge port 33, a rotating shaft 34, and a partition 35. The material balancing barrel 31 is provided with the material inlet 32 ​​at the top, and the material discharge port 33 is provided at the bottom of the material balancing barrel 31. The rotating shaft 34 is rotatably installed in the material balancing barrel 31, and there are more than two partitions 35 distributed in an annular manner at equal intervals on the rotating shaft 34. A conveyor belt 2 is provided above the material inlet 32, and the material discharge port 33 is connected to the upper end of the material feed port 4. By setting the material balancing mechanism 3, uniform material discharge can be achieved and the grinding efficiency is improved.

[0025] The top surface of the grinding roller 7 is inclined toward the upper end of the first screen 82. There are two feed ports 4, which are respectively located on both sides of the rotating shaft 5. The first screen 82 is inclined toward the upper end of the second screen 102, and the second screen 102 is inclined toward the upper end of the third screen 112. Through such an arrangement, the graphene masterbatch can be ground step by step along the Z-shaped grinding channel, thereby ensuring the adequacy of the grinding and improving the grinding effect.

[0026] The grinding parts include a first grinding ball 71 arranged on the bottom surface of the grinding roller 7, a second grinding ball 81 arranged on the first screen 82 and staggered with the first grinding ball 71, a third grinding ball 83 arranged on the bottom surface of the first grinding block 8, a fourth grinding ball 101 arranged on the second screen 102 and staggered with the third grinding ball 83, a fifth grinding ball 103 arranged on the bottom surface of the second grinding block 10, and a sixth grinding ball 111 arranged on the third screen 112 and staggered with the fifth grinding ball 103.

[0027] The distribution of the third grinding balls 83 and the fourth grinding balls 101 is denser than that of the first grinding balls 71 and the second grinding balls 81, and the distribution of the fifth grinding balls 103 and the sixth grinding balls 111 is denser than that of the third grinding balls 83 and the fourth grinding balls 101. By such an arrangement, the grinding of the graphene masterbatch from coarse to fine can be adapted, the grinding effect is good, and the quality of the graphene is improved.

[0028] The second grinding block 10 is rhombus-shaped and the second discharge port 12 is located at the lowest point of the bottom of the second grinding block 10. Such a configuration helps to quickly discharge the ground graphene; the mesh sizes of the first sieve 82, the second sieve 102 and the third sieve 112 are consistent.

[0029] In actual work, the graphene masterbatch to be ground is conveyed to the material distribution barrel 31 through the conveyor belt 2, and the motor driving the rotating shaft 34 is started to drive the rotating shaft 34 to rotate, so that the graphene masterbatch is evenly discharged from the discharge port 33 into the grinding box 1 and enters the grinding channel, and the grinding motor 6 is started to drive the rotating shaft 5 to rotate, so that the grinding roller 7 also rotates and drives the dynamic grinding of the first grinding ball 71 and the static grinding of the second grinding ball 81. The cooperation between realizes the first grinding treatment of the graphene, and the graphene after the first grinding treatment passes through the first sieve 82 to realize the first screening treatment, and the graphene that meets the requirements passes through the first sieve 82 into the first grinding block 8, and is finally discharged from the first discharge port 9, and the graphene that does not meet the requirements falls along the first sieve 82 onto the second sieve 102 to realize secondary grinding, and the rotation of the rotating shaft 5 also drives the second grinding block 10 to rotate, and as the rotating shaft 5 rotates, the second grinding block 10 is also driven to rotate. The cooperation between the static grinding of the third grinding ball 83 and the dynamic grinding of the fourth grinding ball 101 realizes the secondary grinding of the graphene. After the secondary grinding, the graphene passes through the second screen 102 to realize the second screening. The graphene that meets the requirements enters the second grinding block 10 through the second screen 102 and is finally discharged from the second discharge port 12. The graphene that does not meet the requirements falls on the third screen 112 along the second screen 102 to realize the third grinding. When the second grinding block 10 rotates, it drives the dynamic grinding of the fifth grinding ball 103 and the static grinding of the sixth grinding ball 111 to realize the third grinding of the graphene. After the third grinding, the graphene passes through the third screen 112 to realize the third screening. The graphene that meets the requirements enters the third grinding block 11 through the third screen 112 and is finally discharged from the third discharge port 13. The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0030] The above-mentioned embodiments only express the preferred implementation of the utility model, and the description is relatively specific and detailed, but the utility model is not limited to these embodiments. It should be pointed out that for ordinary technicians in this field. Under the premise of not departing from the purpose of the utility model, any improvement made shall fall within the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A graphene masterbatch grinding and processing device, characterized in that: The invention comprises a grinding box (1), a material balancing mechanism (3), a feed port (4), a rotating shaft (5), a grinding motor (6), a grinding roller (7), a first grinding block (8), a first discharge port (9), a second grinding block (10), a third grinding block (11), a second discharge port (12), and a third discharge port (13). The top of the grinding box (1) is provided with the feed port (4), the upper end of the feed port (4) is connected to the material balancing mechanism (3), and the rotating shaft (5) is installed vertically and downwardly at the middle of the inner wall at the top of the grinding box (1). The rotating shaft (5) is driven by the grinding motor (6), the rotating shaft (5) is connected to the grinding roller (7) and the second grinding block (10) in sequence from top to bottom, the inner walls on both sides of the upper part of the grinding box (1) are provided with the first grinding block (8) adapted to the grinding roller (7) and the second grinding block (10), the inner walls on both sides of the lower part of the grinding box (1) are provided with the third grinding block (11) adapted to the second grinding block (10), the grinding roller (7), the A "Z"-shaped grinding channel is formed between the first grinding block (8), the second grinding block (10) and the third grinding block (11), and a grinding piece is arranged in the grinding channel. The first grinding block (8), the second grinding block (10) and the third grinding block (11) are all hollow structures. A first screen (82) is arranged on the side of the first grinding block (8) that matches with the grinding roller (7), and a second screen (82) is arranged on the side of the second grinding block (10) that matches with the first grinding block (8). (102), a third screen (112) is provided on the surface of the third grinding block (11) that cooperates with the third grinding block (11), the first discharge port (9) and the third discharge port (13) are provided on the side wall of the grinding box (1) from top to bottom, the second discharge port (12) is provided at the bottom of the second grinding block (10), the bottom surface of the first grinding block (8) is inclined toward the first discharge port (9), and the bottom surface of the third grinding block (11) is inclined toward the third discharge port (13).

2. A graphene masterbatch grinding and processing device according to claim 1, characterized in that: The material balancing mechanism (3) comprises a material balancing barrel (31), a material inlet (32), a material discharge port (33), a rotating shaft (34), and a partition (35). The material balancing barrel (31) is provided with the material inlet (32) at the top, the material discharge port (33) is provided at the bottom of the material balancing barrel (31), the rotating shaft (34) is rotatably mounted in the material balancing barrel (31), and more than two partitions (35) are equidistantly distributed in an annular manner on the rotating shaft (34). A conveyor belt (2) is provided above the material inlet (32), and the material discharge port (33) is connected to the upper end of the material inlet (4).

3. A graphene masterbatch grinding and processing device according to claim 1, characterized in that: The top surface of the grinding roller (7) is inclined toward the upper end of the first screen (82), and there are two feed ports (4) which are respectively located on both sides of the rotating shaft (5).

4. A graphene masterbatch grinding and processing device according to claim 1, characterized in that: The grinding member comprises a first grinding ball (71) arranged on the bottom surface of the grinding roller (7), a second grinding ball (81) arranged on the first screen (82) and arranged in an alternating arrangement with the first grinding ball (71), a third grinding ball (83) arranged on the bottom surface of the first grinding block (8), a fourth grinding ball (101) arranged on the second screen (102) and arranged in an alternating arrangement with the third grinding ball (83), a fifth grinding ball (103) arranged on the bottom surface of the second grinding block (10), and a sixth grinding ball (111) arranged on the third screen (112) and arranged in an alternating arrangement with the fifth grinding ball (103).

5. The graphene masterbatch grinding and processing device according to claim 1, characterized in that: The first screen (82) is inclined toward the upper end of the second screen (102), and the second screen (102) is inclined toward the upper end of the third screen (112).

6. A graphene masterbatch grinding and processing device according to claim 4, characterized in that: The distribution of the third grinding balls (83) and the fourth grinding balls (101) is denser than that of the first grinding balls (71) and the second grinding balls (81), and the distribution of the fifth grinding balls (103) and the sixth grinding balls (111) is denser than that of the third grinding balls (83) and the fourth grinding balls (101).

7. A graphene masterbatch grinding and processing device according to claim 1, characterized in that: The second grinding block (10) is in a rhombus shape and the second discharge port (12) is located at the lowest point of the bottom of the second grinding block (10).

8. The graphene masterbatch grinding and processing device according to claim 1, characterized in that: The mesh sizes of the first sieve (82), the second sieve (102) and the third sieve (112) are consistent.

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