Powder coating crushing device

Abstract

The utility model discloses a powder coating crushing device which is characterized in that a shell is fixedly mounted on a rack, a feed port is formed in the right side of the upper end of the shell, a feed hopper is fixedly mounted at the upper end of the shell and is communicated with the interior of the shell through the feed port, a partition plate is fixedly mounted in the shell on the left side of the feed port, and the feed hopper is communicated with the interior of the shell through the feed port. The lower right end of the partition plate is provided with rows of saw grooves, the saw wheels are rotationally installed in the portion, below the feeding port, of the shell and correspond to the saw grooves, a first motor is fixedly installed on the outer side of the shell, and an output shaft of the first motor is in transmission connection with the saw wheels. The upper roller and the lower roller are respectively and rotatably arranged in the shell at the left lower part of the partition plate, rows of teeth are circumferentially distributed on the surface of the upper roller, and grooves corresponding to the teeth are circumferentially distributed on the surface of the lower roller. And the working efficiency can be greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of powder coating production, in particular to the technical field of a powder coating crushing device. Background Art

[0002] Solid powder coating is a new type of solvent-free 100% solid powder coating. In the production of powder coating, it is necessary to form a mixture of multiple additives, and use an extruder to melt, disperse and cross-link them, and then use a tableting device to make the extruded and melted material into flakes. The flake material is a temporary intermediate state and needs to be crushed later. During the crushing process, the flake material is hard and brittle, which brings the problem of being difficult to crush. Therefore, when crushing, not only a strong crushing force is required, but also the flakes with a small area after crushing are not easy to be crushed completely. Utility Model Content

[0003] The utility model provides a powder coating crushing device to solve the above technical problems. The flaky material is firstly sawn and then formed into powder by repeated rolling, so that the flaky material crushing process is faster and more thorough, which can greatly improve the work efficiency.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A powder coating pulverizing device comprises a shell, a frame, a feed hopper, a saw wheel, an upper roller, a lower roller, a second motor, a filter screen and a return material lifting mechanism, wherein the shell is fixedly mounted on the frame, a feed port is provided on the right side of the upper end of the shell, the feed hopper is fixedly mounted on the upper end of the shell, the feed hopper is connected with the inside of the shell through the feed port, a partition is fixedly mounted in the shell on the left side of the feed port, a row of saw grooves is provided at the right lower end of the partition, the saw wheel is rotatably mounted in the shell below the feed port and corresponds to the saw groove, and the outer side of the shell is fixedly mounted A first motor is installed, and the output shaft of the first motor is connected to the saw wheel transmission. The upper roller and the lower roller are rotatably installed in the shell at the lower left of the partition respectively. The surface of the upper roller is circumferentially provided with rows of teeth, and the surface of the lower roller is circumferentially provided with grooves corresponding to the teeth. The teeth of the upper roller are embedded in the grooves of the lower roller. A material guide groove is fixedly installed in the shell. The partition and the material guide groove are in contact with the lower roller respectively. The partition, the material guide groove and the lower roller isolate the saw wheel to form an independent chamber. A transfer case is fixedly installed on the outside of the shell. The paired output shafts of the transfer case are respectively connected to the upper roller and the lower roller in driving connection, the second motor is fixedly installed on the transfer case, the output shaft of the second motor is connected to the input shaft of the transfer case in driving connection, a discharge port is provided at the lower left end of the shell, the filter screen is fixedly installed in the shell below the lower roller in an inclined shape, a return port is provided on the shell on the left side of the filter screen, the return material lifting mechanism includes a cylinder, a support and a third motor, the cylinder is fixedly installed on the support, a feed trough fixedly connected to the cylinder is provided at the lower end of the cylinder, and the other end of the feed trough It is fixedly installed on the return material port of the shell and is connected with the interior of the shell through the return material port. A spiral column is rotatably installed in the cylinder. The third motor is fixedly installed on the top of the cylinder. The output shaft of the third motor is transmission connected with the spiral column. A connected feed trough is arranged on the upper end of the cylinder. A feed port is opened on the left side of the shell. The other end of the feed trough is fixedly installed on the feed port, and the feed trough is connected with the interior of the shell through the feed port. A material guide plate is fixedly installed in the shell, one end of the material guide plate is located below the feed port, and the other end corresponds to the upper roller.

[0006] Preferably, the material guiding trough is fixedly connected to the partition plate.

[0007] The beneficial effects that can be achieved by the utility model using the above technical solution are:

[0008] 1. By setting a saw wheel and a corresponding saw groove below the feed port, the partition, the guide groove and the lower roller isolate the saw wheel to form an independent chamber. The saw wheel and the corresponding saw groove can quickly crush the hard and brittle flaky materials with high crushing efficiency, providing conditions for the next step of crushing into powder;

[0009] 2. The crushed materials are crushed into powder under the rolling action of the upper and lower rollers, and the crushing effect is better and more thorough;

[0010] 3. By setting up a return material lifting mechanism, the finished product passing through the filter is discharged from the discharge port, and the filtered product is circulated through the return material lifting mechanism into the upper roller and the lower roller to be crushed into powder again, thus achieving complete crushing of the material. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0013] Figure 3 for Figure 2 The enlarged structural diagram at A in the middle;

[0014] Figure 4 It is a schematic diagram of the structure of the spiral lifting column in the utility model.

[0015] 1. Shell; 2. Frame; 3. Feed hopper; 4. Partition; 5. Saw groove; 6. Saw wheel; 7. First motor; 8. Upper roller; 9. Lower roller; 10. Teeth; 11. Grooves; 12. Guide trough; 13. Transfer case; 14. Second motor; 15. Discharge port; 16. Filter screen; 17. Return port; 18. Return lifting mechanism; 19. Cylinder; 20. Support; 21. Feed trough; 22. Screw column; 23. Third motor; 24. Discharge trough; 25. Discharge port; 26. Guide plate. DETAILED DESCRIPTION

[0016] Example reference Figure 1-4As shown, the utility model provides a powder coating crushing device, including a shell 1, a frame 2, a feed hopper 3, a saw wheel 6, an upper roller 8, a lower roller 9, a second motor 14, a filter screen 16 and a return material lifting mechanism 18, the shell 1 is fixedly mounted on the frame 2, a feed port is opened on the right side of the upper end of the shell 1, the feed hopper 3 is fixedly mounted on the upper end of the shell 1, the feed hopper 3 is connected with the inside of the shell 1 through the feed port, a partition 4 is fixedly mounted in the shell 1 on the left side of the feed port, a row of saw grooves 5 are arranged on the lower right side of the partition 4, the saw wheel 6 is rotatably mounted in the shell 1 below the feed port, and corresponds to the saw grooves 5, a first motor 7 is fixedly mounted on the outside of the shell 1, the output shaft of the first motor 7 is transmission-connected with the saw wheel 6, the upper roller 8 and the lower roller 9 are rotatably mounted in the shell 1 below the left side of the partition 4, the surface of the upper roller 8 is circumferentially distributed with rows of teeth 10, the surface of the lower roller 9 The surface is circumferentially distributed with grooves 11 corresponding to the teeth 10, the teeth 10 of the upper roller 8 are embedded in the grooves 11 of the lower roller 9, and the interaction between the teeth 10 and the grooves 11 further crushes the raw materials. A material guide trough 12 is fixedly installed in the shell 1, and the material guide trough 12 is fixedly connected to the partition 4, which increases the strength of the saw groove 5. The partition 4 and the material guide trough 12 are in contact with the lower roller 9 respectively, and the partition 4, the material guide trough 12 and the lower roller 9 isolate the saw wheel 6 to form an independent chamber. The saw wheel 6 and the corresponding saw groove 5 form powders for the intermediate state materials in the form of flakes more quickly and reasonably, thereby achieving more scientific crushing and greatly improving the work efficiency. A transfer case 13 is fixedly installed on the outer side of the shell 1, and the paired output shafts of the transfer case 13 are respectively connected to the upper roller 8 and the lower roller 9 in transmission. The second motor 14 is fixedly installed on the transfer case 13, and the output shaft of the second motor 14 is connected to the input shaft of the transfer case 13 in transmission.

[0017] A discharge port 15 is provided at the lower left end of the shell 1, the filter screen 16 is fixedly installed in the shell 1 below the lower roller 9 in an inclined shape, a return port 17 is provided on the shell 1 on the left side of the filter screen 16, and the return material lifting mechanism 18 includes a cylinder 19, a support 20 and a third motor 23, the cylinder 19 is fixedly installed on the support 20, a feed trough 21 fixedly connected to the cylinder 19 is provided at the lower end of the cylinder 19, the other end of the feed trough 21 is fixedly installed on the return port 17 of the shell 1, and is connected to the inside of the shell 1 through the return port 17, a spiral column 22 is rotatably installed in the cylinder 19, the third motor 23 is fixedly installed on the top of the cylinder 19, and the output shaft of the third motor 23 is connected to the spiral column 22. The cylinder 19 is dynamically connected, and a connected feeding chute 24 is arranged on the upper end of the cylinder 19. A feeding port 25 is opened on the left side of the shell 1. The other end of the feeding chute 24 is fixedly installed on the feeding port 25. The feeding chute 24 is connected with the inside of the shell 1 through the feeding port 25. A guide plate 26 is fixedly installed in the shell 1. One end of the guide plate 26 is located below the feeding port 25, and the other end corresponds to the upper roller 8. The finished product passing through the filter screen 16 is discharged from the discharge port 15, and the filtered product is circulated into the upper roller 8 and the lower roller 9 through the return material lifting mechanism 18 to be crushed into powder again, thereby achieving thorough crushing of the material. In this way, the crushing process of the flaky material is faster and more reasonable, which greatly improves the work efficiency and meets the needs of large-scale production.

Claims

1. A powder coating pulverizing device, characterized in that: The invention comprises a shell (1), a frame (2), a feed hopper (3), a saw wheel (6), an upper roller (8), a lower roller (9), a second motor (14), a filter screen (16) and a return material lifting mechanism (18), wherein the shell (1) is fixedly mounted on the frame (2), a feed port is provided on the right side of the upper end of the shell (1), the feed hopper (3) is fixedly mounted on the upper end of the shell (1), the feed hopper (3) is connected to the inside of the shell (1) through the feed port, a partition (4) is fixedly mounted in the shell (1) on the left side of the feed port, a row of saw grooves (5) are provided on the lower right side of the partition (4), and the saw wheel (6) rotates The upper roller (8) and the lower roller (9) are rotatably mounted in the housing (1) below the feed port and correspond to the saw groove (5). A first motor (7) is fixedly mounted on the outer side of the housing (1). The output shaft of the first motor (7) is transmission-connected to the saw wheel (6). The upper roller (8) and the lower roller (9) are rotatably mounted in the housing (1) below the left side of the partition (4). The surface of the upper roller (8) is provided with rows of teeth (10) distributed in a circumferential manner. The surface of the lower roller (9) is provided with grooves (11) corresponding to the teeth (10) distributed in a circumferential manner. The teeth (10) of the upper roller (8) are embedded in the grooves (11) of the lower roller (9). A material guide trough (12) is fixedly installed in the shell (1), the partition (4) and the material guide trough (12) are in contact with the lower roller (9) respectively, and the partition (4), the material guide trough (12) and the lower roller (9) isolate the saw wheel (6) to form an independent chamber. A transfer case (13) is fixedly installed on the outer side of the shell (1), and the paired output shafts of the transfer case (13) are respectively connected to the upper roller (8) and the lower roller (9). The second motor (14) is fixedly installed on the transfer case (13), and the output shaft of the second motor (14) is connected to the input shaft of the transfer case (13). A discharge port (15) is provided at the lower left end of the shell (1); the filter screen (16) is fixedly mounted in an inclined manner in the shell (1) below the lower roller (9); a return port (17) is provided on the shell (1) on the left side of the filter screen (16); the return material lifting mechanism (18) comprises a cylinder (19), a support (20) and a third motor (23); the cylinder (19) is fixedly mounted on the support (20); a feed trough (21) fixedly connected to the cylinder (19) is provided at the lower end of the cylinder (19); the other end of the feed trough (21) is fixedly mounted on the return port (17) of the shell (1) and is connected to the interior of the shell (1) via the return port (17); A spiral column (22) is rotatably mounted in the cylinder (19), the third motor (23) is fixedly mounted on the top of the cylinder (19), the output shaft of the third motor (23) is drivingly connected to the spiral column (22), a connected material discharge trough (24) is arranged at the upper end of the cylinder (19), a material discharge port (25) is opened on the left side of the shell (1), the other end of the material discharge trough (24) is fixedly mounted on the material discharge port (25), the material discharge trough (24) is connected to the inside of the shell (1) through the material discharge port (25), a material guide plate (26) is fixedly mounted in the shell (1), one end of the material guide plate (26) is located below the material discharge port (25), and the other end corresponds to the upper roller (8).

2. A powder coating pulverizing device according to claim 1, characterized in that: The material guide trough (12) is fixedly connected to the partition plate (4).

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