High efficiency powder sifter

Abstract

The utility model discloses a high-efficiency powder screening machine, including a base frame and a screening bucket, wherein the screening bucket is inclined and located inside the base frame, a lower end of the screening bucket is fixedly connected with a coarse material discharge hopper, multiple mounting seats are fixedly connected on both sides of the screening bucket, a first spring is fixedly connected between both sides of the multiple mounting seats and the base frame, and multiple second springs are fixedly connected between one end of the screening bucket away from the coarse material discharge hopper and the base frame; a mounting frame is fixedly connected to the top of the base frame, a crushing bin is fixedly connected inside the mounting frame, two crushing rollers are rotatably connected inside the crushing bin, a first connecting bag is connected between the crushing bin and the screening bucket, and a driving assembly is arranged on the top of the base frame. The utility model enables the two crushing rollers to rotate towards each other through the driving assembly, so that the material to be screened can be crushed, thereby improving the screening pass rate, reducing the amount of repeated crushing, and improving production efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of powder screening machines, and in particular to a high-efficiency powder screening machine. Background Art

[0002] A powder sieving machine is a mechanical device used to screen, grade or purify powdered materials. Its working principle mainly relies on the screen or other screening elements. Through vibration or rotation, materials of different particle sizes pass through the holes of the screen or screening element, thereby achieving material screening and grading.

[0003] During the screening process, if the material is damp and hardened or there are large particles, it may be difficult to pass through the screen, thus hindering normal screening. To solve this problem, the hardened material and large particles need to be taken out and re-crushed and screened. However, too much secondary crushing will reduce production efficiency.

[0004] Therefore, it is necessary to invent an efficient powder screening machine to solve the above problems. Utility Model Content

[0005] To this end, the utility model provides a high-efficiency powder screening machine, which crushes the material to be screened by two crushing rollers rotating in opposite directions, so as to solve the problems in the prior art.

[0006] In order to achieve the above-mentioned purpose, the embodiment of the utility model provides the following technical solutions: a high-efficiency powder screening machine, comprising a base frame and a screening bucket, the screening bucket is inclined, and the screening bucket is located inside the base frame, the lower end of the screening bucket is fixedly connected to a coarse material discharge hopper, both sides of the screening bucket are fixedly connected to a plurality of mounting seats, both sides of the plurality of mounting seats are fixedly connected to the base frame with a first spring, and the end of the screening bucket away from the coarse material discharge hopper is fixedly connected to the base frame with a plurality of second springs;

[0007] A mounting frame is fixedly connected to the top of the base frame, a crushing bin is fixedly connected to the interior of the mounting frame, two crushing rollers are rotatably connected to the interior of the crushing bin, a first connecting bag is connected between the crushing bin and the screening bucket, and a driving component for driving the two crushing rollers to rotate and the screening bucket to vibrate is arranged on the top of the base frame.

[0008] As a preferred solution of the utility model, the driving assembly includes a motor, the motor is fixedly connected to the inside of the mounting frame, the outsides of the two crushing rollers are fixedly connected with driving gears, and the two driving gears are meshed, and one of the crushing rollers is fixedly connected to the output end of the motor;

[0009] One of the crushing rollers is fixedly connected to a driving sprocket on the outside, the top of the base frame is rotatably connected to a rotating shaft, the outside of the rotating shaft is fixedly connected to a driven sprocket, chains are installed on the outside of the driven sprocket and the driving sprocket, and the outside of the rotating shaft is fixedly connected to multiple striking blocks.

[0010] As a preferred solution of the utility model, the striking block is cross-shaped, a reinforcing plate is fixedly connected to the top of the screening bucket, and the striking block is matched with the reinforcing plate.

[0011] As a preferred solution of the utility model, a fine material discharge hopper is fixedly connected to the interior of the base frame, and a second connecting bag is connected between the fine material discharge hoppers.

[0012] As a preferred solution of the utility model, a feed hopper is fixedly connected to the top of the crushing bin.

[0013] As a preferred solution of the utility model, a sieve plate is installed at the bottom of the screening bucket.

[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0015] 1. The fixedly connected crushing rollers are driven to rotate by starting the motor, and then the two crushing rollers are rotated toward each other through the two meshing driving gears, so that the materials to be screened can be crushed, thereby improving the screening pass rate, reducing the amount of repeated crushing, and improving production efficiency;

[0016] 2. The motor drives the active sprocket to rotate, and then drives the rotating shaft to rotate through the chain and the driven sprocket, and then drives the striking block to continuously strike the reinforcing plate, so that the screening bucket can continuously vibrate, and then the powder can be screened, so that small particles of material enter the fine material discharge hopper, and large particles of material slide out through the coarse material discharge hopper, thereby realizing the screening of materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall front structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall back structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the overall cross-sectional structure of the utility model;

[0020] Figure 4 for Figure 2 Schematic diagram of the enlarged structure at point A in the middle.

[0021] In the figure: 1. base frame; 2. screening bucket; 3. mounting frame; 4. crushing bin; 5. crushing roller; 6. feed hopper; 7. first connecting bag; 8. mounting seat; 9. first spring; 10. second spring; 11. coarse material discharge hopper; 12. fine material discharge hopper; 13. second connecting bag; 14. driving gear; 15. motor; 16. driving sprocket; 17. rotating shaft; 18. driven sprocket; 19. chain; 20. striking block; 21. reinforcing plate. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0023] The utility model provides Figure 1-4 The high-efficiency powder screening machine shown comprises a base frame 1 and a screening hopper 2. The screening hopper 2 is inclined and is located inside the base frame 1. A coarse material discharge hopper 11 is fixedly connected to the lower end of the screening hopper 2. Multiple mounting seats 8 are fixedly connected to both sides of the screening hopper 2. First springs 9 are fixedly connected between the two sides of the multiple mounting seats 8 and the base frame 1. Multiple second springs 10 are fixedly connected between the end of the screening hopper 2 away from the coarse material discharge hopper 11 and the base frame 1. The screening hopper 2 can be fixed by the first spring 9 and the second spring 10, and the high-frequency vibration of the screening hopper 2 is also facilitated. The coarse material discharge hopper 11 can make it more convenient to collect coarse materials.

[0024] A mounting frame 3 is fixedly connected to the top of the base frame 1, a crushing bin 4 is fixedly connected inside the mounting frame 3, two crushing rollers 5 are rotatably connected inside the crushing bin 4, a first connecting bag 7 is connected between the crushing bin 4 and the screening bucket 2, and a driving assembly for driving the two crushing rollers 5 to rotate and vibrate the screening bucket 2 is provided on the top of the base frame 1. The two crushing rollers 5 can be used to perform preliminary crushing of the material, thereby crushing compacted powder and large particles, thereby reducing the powder particle size, avoiding secondary crushing, and improving production efficiency.

[0025] Further, in the above technical solution, the driving assembly includes a motor 15, the motor 15 is fixedly connected to the inside of the mounting frame 3, the outsides of the two crushing rollers 5 are fixedly connected to the driving gears 14, and the two driving gears 14 are meshed, and one of the crushing rollers 5 is fixedly connected to the output end of the motor 15;

[0026] The outside of one of the crushing rollers 5 is fixedly connected to a driving sprocket 16, the top of the base frame 1 is rotatably connected to a rotating shaft 17, the outside of the rotating shaft 17 is fixedly connected to a driven sprocket 18, a chain 19 is installed outside the driven sprocket 18 and the driving sprocket 16, and the outside of the rotating shaft 17 is fixedly connected to a plurality of striking blocks 20. The two crushing rollers 5 can be driven to rotate in opposite directions through the set driving assembly, so that the material to be screened can be crushed, thereby improving the pass rate, reducing repeated screening, and improving work efficiency. At the same time, the driving assembly can provide power for the vibration of the screening bucket 2, so that the material can be screened.

[0027] Furthermore, in the above technical solution, the striking block 20 is cross-shaped, a reinforcing plate 21 is fixedly connected to the top of the screening bucket 2, and the striking block 20 is adapted to the reinforcing plate 21. The reinforcing plate 21 is provided to prevent the top of the screening bucket 2 from being deformed due to long-term striking.

[0028] Furthermore, in the above technical solution, a fine material discharge hopper 12 is fixedly connected to the interior of the base frame 1, and a second connecting bag 13 is connected between the fine material discharge hoppers 12. The fine material discharge hopper 12 can be set to make it more convenient to collect fine materials.

[0029] Furthermore, in the above technical solution, a feed hopper 6 is fixedly connected to the top of the crushing bin 4 .

[0030] Furthermore, in the above technical solution, a sieve plate is installed at the bottom of the screening bucket 2.

[0031] When the high-efficiency powder screening machine provided by the utility model is used, its working process is as follows:

[0032] When the material needs to be screened, first, the fixedly connected crushing roller 5 is driven to rotate by starting the motor 15, and then the two meshing driving gears 14 are used to make the two crushing rollers 5 rotate in opposite directions. At the same time, the motor 15 drives the active sprocket 16 to rotate, and then drives the rotating shaft 17 to rotate through the chain 19 and the driven sprocket 18, and then drives the striking block 20 to continuously strike the reinforcing plate 21, so that the screening bucket 2 can vibrate continuously, and then the material is added through the feed hopper 6. When the material enters the crushing bin 4, the two rotating crushing rollers 5 can crush the material to be screened, thereby improving the screening pass rate, reducing the amount of repeated crushing, and improving the production efficiency. After that, the powder enters the screening bucket 2 through the first connecting bag 7. The powder can be screened by the vibration of the screening bucket 2, so that small particles enter the fine material discharge hopper 12, and large particles slide out through the coarse material discharge hopper 11, thereby realizing the screening of the material.

[0033] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A high-efficiency powder screening machine, comprising a base frame (1) and a screening bucket (2), characterized in that: The screening hopper (2) is inclined and is located inside the base frame (1). The lower end of the screening hopper (2) is fixedly connected to a coarse material discharge hopper (11). Both sides of the screening hopper (2) are fixedly connected to a plurality of mounting seats (8). Both sides of the plurality of mounting seats (8) are fixedly connected to the base frame (1). A first spring (9) is fixedly connected to the base frame (1). The end of the screening hopper (2) away from the coarse material discharge hopper (11) is fixedly connected to the base frame (1). The top of the base frame (1) is fixedly connected to a mounting frame (3), the interior of the mounting frame (3) is fixedly connected to a crushing bin (4), the interior of the crushing bin (4) is rotatably connected to two crushing rollers (5), a first connecting bag (7) is connected between the crushing bin (4) and the screening bucket (2), and a driving component for driving the two crushing rollers (5) to rotate and causing the screening bucket (2) to vibrate is provided at the top of the base frame (1).

2. The high-efficiency powder sieving machine according to claim 1, characterized in that: The driving assembly comprises a motor (15), the motor (15) is fixedly connected to the inside of the mounting frame (3), the outsides of the two crushing rollers (5) are fixedly connected to driving gears (14), and the two driving gears (14) are meshed with each other, and one of the crushing rollers (5) is fixedly connected to the output end of the motor (15); The outside of one of the crushing rollers (5) is fixedly connected to a driving sprocket (16), the top of the base frame (1) is rotatably connected to a rotating shaft (17), the outside of the rotating shaft (17) is fixedly connected to a driven sprocket (18), a chain (19) is installed outside the driven sprocket (18) and the driving sprocket (16), and the outside of the rotating shaft (17) is fixedly connected to a plurality of striking blocks (20).

3. The high-efficiency powder sieving machine according to claim 2, characterized in that: The striking block (20) is cross-shaped, and a reinforcing plate (21) is fixedly connected to the top of the screening bucket (2), and the striking block (20) is adapted to the reinforcing plate (21).

4. The high-efficiency powder sieving machine according to claim 1, characterized in that: A fine material discharge hopper (12) is fixedly connected inside the base frame (1), and a second connection bag (13) is connected between the fine material discharge hoppers (12).

5. The high-efficiency powder sieving machine according to claim 1, characterized in that: A feed hopper (6) is fixedly connected to the top of the crushing bin (4).

6. The high-efficiency powder sifting machine according to claim 1, characterized in that: A sieve plate is installed at the bottom of the screening bucket (2).

Images