Pneumatic conveying and sorting equipment for colloidal particles

Abstract

The utility model relates to the technical field of pneumatic conveying and sorting of colloidal particles, in particular to pneumatic conveying and sorting equipment for colloidal particles. According to the technical scheme, the device comprises a sorting box, an inner cavity is formed in the sorting box, a bottom opening is formed in the front side of the bottom of the inner cavity, a high-quality collecting box, a light-quality collecting box and a dust collecting box are arranged in the bottom opening, a feeding port is formed in one side of the upper portion of the sorting box, and a hopper is fixed in the feeding port; a fan box is fixed to the side, close to the feeding port, of the sorting box, a main air opening is formed in the position, aligned with the fan box, of the side wall of the sorting box, an auxiliary air channel is formed in the middle of the bottom of the main air opening, a sieve plate is movably installed in the inner cavity and located above the high-quality collecting box, and a lower opening of the auxiliary air channel is aligned with the upper portion of the sieve plate. After wind power is used for mass sorting, appearance screening is conducted through vibration of the screen plates, the purpose of multi-layer screening is achieved, and screening accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic conveying and sorting of colloid particles, in particular to a pneumatic conveying and sorting device for colloid particles. Background Art

[0002] Pneumatic separation is a method of separating particles using aerodynamic properties. This technology is often used in industry and manufacturing to separate materials with different particle sizes, densities or shapes. It has a wide range of applications in waste recycling, plastic processing, agriculture and other fields.

[0003] In the process of using wind power for sorting, only quality screening can be carried out, and the shape of the particles cannot be well sorted. In this case, there are major problems in the sorting of rubber particles. In the actual processing process, the same particle size of the rubber particles can better carry out subsequent melting processing, so that it can ensure uniform heating and sufficient melting plasticity. Therefore, some special-shaped rubber particles cannot be well selected by wind, and often require secondary screening to complete. Therefore, it is necessary to design a wind screening equipment that can perform various sorting. Utility Model Content

[0004] The utility model aims to provide a pneumatic conveying and sorting device for rubber particles in view of the problems existing in the background technology.

[0005] The technical solution of the utility model is as follows: a pneumatic sorting device for rubber particles comprises a sorting box, an inner cavity is arranged in the sorting box, a bottom opening is arranged on the front side of the bottom of the inner cavity, a high-quality collection box, a light-quality collection box and a dust collection box are arranged in the bottom opening, a feed port is arranged on one side above the sorting box, a hopper is fixed in the feed port, a fan box is fixed on the side of the sorting box close to the feed port, a main air port is arranged on the side wall of the sorting box and aligned with the fan box, an auxiliary air duct is arranged at the middle position of the bottom of the main air port, a sieve plate is movably installed in the inner cavity and above the high-quality collection box, the lower opening of the auxiliary air duct is aligned with the upper side of the sieve plate, a vibration assembly is arranged between the opening of the auxiliary air duct and the sieve plate, and a gate is arranged in the main air port and on the inner side of the auxiliary air duct.

[0006] Preferably, a lifting groove is provided above the main air outlet and at a position corresponding to the gate plate, a lifting block is slidably connected in the lifting groove, a telescopic cylinder is fixed to the upper side wall of the lifting groove, and the output end of the telescopic cylinder is fixed to the upper end of the lifting block.

[0007] Preferably, the vibration assembly includes a mounting groove and a knocking plate, the knocking plate is fixed to the side of the screen plate close to the bottom opening of the auxiliary air duct, the bottom opening of the auxiliary air duct is provided with a mounting groove, a fixed rotating shaft is fixed in the mounting groove, an impeller is rotatably connected to the fixed rotating shaft, the upper end of the impeller is located in the auxiliary air duct, and the outer side of the impeller is in contact with the knocking plate.

[0008] Preferably, a fixed seat is fixed in the inner cavity and at the four corners of the bottom of the sieve plate, a limiting rod is fixed on the upper end of the fixed seat, the upper end of the limiting rod passes through the sieve plate and is slidably connected to the sieve plate, a limiting ball is fixed on the upper end of the limiting rod, and a connecting spring is fixed between the upper end of the fixed seat and the bottom of the sieve plate.

[0009] Preferably, a feeding conveyor is fixed at the upper end of the sorting box, and electrostatic rods are evenly installed on the side of the inner cavity away from the high-quality collection box.

[0010] Preferably, an exhaust port is provided on a side of the sorting box away from the fan box, and a dustproof net is fixed inside the exhaust port.

[0011] Compared with the prior art, the utility model has the following beneficial technical effects: after utilizing wind power for quality sorting, the vibration of the sieve plate is utilized for shape screening, thereby achieving the purpose of multi-layer screening and improving the accuracy of screening. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the side cutaway structure of the utility model;

[0013] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0014] Figure 3 This is a schematic diagram of the appearance structure of the sieve plate of the utility model.

[0015] Figure numerals: 1. Sorting box; 11. Inner cavity; 12. Feed port; 13. Hopper; 14. Bottom opening; 15. High-quality collection box; 16. Light-quality collection box; 17. Dust collection box; 18. Exhaust port; 19. Dust screen; 2. Feeding conveyor; 3. Fan box; 31. Main air outlet; 4. Gate; 41. Lifting slot; 42. Lifting block; 43. Telescopic cylinder; 5. Sieve plate; 51. Fixed seat; 52. Limit rod; 53. Limit ball; 54. Connecting spring; 6. Auxiliary air duct; 61. Mounting slot; 62. Fixed shaft; 63. Impeller; 64. Knocking plate; 7. Electrostatic rod. DETAILED DESCRIPTION

[0016] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0017] Example

[0018] like Figure 1-3 As shown, the utility model proposes a pneumatic sorting device for colloid particles, including a sorting box 1, wherein an inner cavity 11 is arranged in the sorting box 1, a bottom opening 14 is arranged at the front side of the bottom of the inner cavity 11, a high-quality collection box 15, a light-quality collection box 16 and a dust collection box 17 are arranged in the bottom opening 14, a feed port 12 is arranged at one side above the sorting box 1, a hopper 13 is fixed in the feed port 12, a fan box 3 is fixed at one side of the sorting box 1 close to the feed port 12, a main air port 31 is arranged at a side wall of the sorting box 1 and aligned with the fan box 3, and a center portion of the bottom of the main air port 31 is provided. An auxiliary air duct 6 is opened at the intermediate position, a sieve plate 5 is movably installed in the inner cavity 11 and above the high-quality collection box 15, the lower opening of the auxiliary air duct 6 is aligned with the top of the sieve plate 5, a vibration component is arranged between the opening of the auxiliary air duct 6 and the sieve plate 5, a gate plate 4 is arranged in the main air outlet 31 and on the inner side of the auxiliary air duct 6, a feeding conveyor 2 is fixed to the upper end of the sorting box 1, electrostatic rods 7 are evenly installed on the side of the inner cavity 11 away from the high-quality collection box 15, an exhaust port 18 is opened on the side of the sorting box 1 away from the fan box 3, and a dustproof net 19 is fixed in the exhaust port 18.

[0019] A lifting slot 41 is provided above the main air inlet 31 and at a position corresponding to the gate plate 4 , in which a lifting block 42 is slidably connected, a telescopic cylinder 43 is fixed to the upper side wall of the lifting slot 41 , and an output end of the telescopic cylinder 43 is fixed to the upper end of the lifting block 42 .

[0020] The vibration assembly includes a mounting groove 61 and a knocking plate 64. The knocking plate 64 is fixed on one side of the sieve plate 5 close to the bottom opening 14 of the auxiliary air duct 6. A mounting groove 61 is provided at the bottom opening 14 of the auxiliary air duct 6. A fixed rotating shaft 62 is fixed in the mounting groove 61. An impeller 63 is rotatably connected to the fixed rotating shaft 62. The upper end of the impeller 63 is located in the auxiliary air duct 6. The outer side of the impeller 63 contacts the knocking plate 64. A fixed seat 51 is fixed in the inner cavity 11 and at the four corners of the bottom of the sieve plate 5. A limiting rod 52 is fixed on the upper end of the fixing seat 51. The upper end of the limiting rod 52 passes through the sieve plate 5 and is slidably connected to the sieve plate 5. A limiting ball 53 is fixed on the upper end of the limiting rod 52. A connecting spring 54 is fixed between the upper end of the fixing seat 51 and the bottom of the sieve plate 5.

[0021] In this embodiment, the entire device is first connected to an external power supply, and the feeding conveyor 2 is used to feed the rubber pellet raw material into the feed port 12, and the hopper 13 is used to guide the raw material to fall vertically. In this process, the gas flow generated in the fan box 3 is used to make it enter the inner cavity 11 through the main air port 31 to sort the raw materials. The heavier rubber pellets will directly fall onto the screen plate 5 for shape screening to ensure that the irregular-shaped rubber pellets cannot pass through. Finally, it is ensured that the rubber pellets collected in the high-quality collection box 15 are all qualified, and the purpose of multi-functional screening is achieved. During the screening process, the auxiliary air duct 6 will enter part of the flowing air, thereby blowing the impeller 63 rotates, so that the impeller 63 continuously strikes the knocking plate 64, and finally drives the sieve plate 5 to vibrate continuously, thereby improving the screening efficiency of the sieve plate 5, and after the screening is completed, the telescopic cylinder 43 can be driven to drive the lifting block 42 to move downward, so that the main air port 31 is closed, and finally the flowing gas is completely entered into the auxiliary air duct 6, thereby driving the impeller 63 to rotate at high speed, so that the sieve plate 5 vibrates rapidly, and the opening below the auxiliary air duct 6 is aligned with the upper surface of the sieve plate 5, and under the blowing of the gas, the irregular and non-standard particles on the sieve plate 5 will be blown away and fall into the light-weight collection box 16, without the need for manual cleaning, and the operation is simpler.

[0022] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A pneumatic separation device for colloid particles, comprising a separation box (1), characterized in that: The sorting box (1) is provided with an inner cavity (11), a bottom opening (14) is provided at the front side of the bottom of the inner cavity (11), a high-quality collection box (15), a light-quality collection box (16) and a dust collection box (17) are provided in the bottom opening (14), a feed port (12) is provided at one side above the sorting box (1), a hopper (13) is fixed in the feed port (12), a fan box (3) is fixed on one side of the sorting box (1) close to the feed port (12), and the sorting box (1) A main air inlet (31) is provided on the side wall and aligned with the fan box (3); an auxiliary air duct (6) is provided at the middle position of the bottom of the main air inlet (31); a sieve plate (5) is movably installed in the inner cavity (11) and above the high-quality collection box (15); the lower opening of the auxiliary air duct (6) is aligned with the upper part of the sieve plate (5); a vibration component is provided between the opening of the auxiliary air duct (6) and the sieve plate (5); and a gate plate (4) is provided in the main air inlet (31) and on the inner side of the auxiliary air duct (6).

2. The pneumatic separation equipment for rubber particles according to claim 1 is characterized in that: A lifting groove (41) is provided above the main air outlet (31) and at a position corresponding to the gate plate (4), a lifting block (42) is slidably connected in the lifting groove (41), a telescopic cylinder (43) is fixed to the upper side wall of the lifting groove (41), and an output end of the telescopic cylinder (43) is fixed to the upper end of the lifting block (42).

3. The pneumatic separation equipment for rubber particles according to claim 1 is characterized in that: The vibration assembly comprises a mounting groove (61) and a knocking plate (64), wherein the knocking plate (64) is fixed to a side of the sieve plate (5) close to the bottom opening (14) of the auxiliary air duct (6), and the bottom opening (14) of the auxiliary air duct (6) is provided with a mounting groove (61), a fixed rotating shaft (62) is fixed in the mounting groove (61), an impeller (63) is rotatably connected to the fixed rotating shaft (62), an upper end of the impeller (63) is located in the auxiliary air duct (6), and an outer side of the impeller (63) is in contact with the knocking plate (64).

4. The pneumatic separation equipment for rubber particles according to claim 1, characterized in that: A fixed seat (51) is fixed in the inner cavity (11) and located at the four corners of the bottom of the sieve plate (5); a limiting rod (52) is fixed to the upper end of the fixed seat (51); the upper end of the limiting rod (52) passes through the sieve plate (5) and is slidably connected to the sieve plate (5); a limiting ball (53) is fixed to the upper end of the limiting rod (52); and a connecting spring (54) is fixed between the upper end of the fixed seat (51) and the bottom of the sieve plate (5).

5. The pneumatic separation equipment for rubber particles according to claim 1 is characterized in that: A feeding conveyor (2) is fixed to the upper end of the sorting box (1), and electrostatic rods (7) are evenly installed on the side of the inner cavity (11) away from the high-quality collection box (15).

6. The pneumatic separation equipment for rubber particles according to claim 1, characterized in that: The sorting box (1) is provided with an exhaust port (18) on a side away from the fan box (3), and a dustproof net (19) is fixed inside the exhaust port (18).

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