CN219664441U - Sorting device for master batch - Google Patents

Abstract

The utility model relates to a sorting device for master batches, and relates to the technical field of color master batch sorting; the utility model provides a sorting mechanism is provided with in the cavity of organism, still is provided with feed mechanism on the organism including opening the organism that has the cavity, and feed mechanism includes the feeder hopper, and the feeder hopper is installed on the top of organism, and the discharge gate of feeder hopper communicates with each other with the cavity in the organism, is provided with the reposition of redundant personnel subassembly in the feeder hopper, and the reposition of redundant personnel subassembly includes driver, bull stick and a plurality of division board, and each division board all is located the feeder hopper, and the one end and the lateral wall of bull stick of division board are connected, and the other end and the diapire of feeder hopper of division board are close to mutually, and the bull stick rotates with feed hopper to be connected, and driver is used for driving the bull stick and rotates. The utility model has the following effects: the color master batch feeding device has the advantages that the color master batch feeding device is arranged on the feeding hopper, the color master batch entering the feeding hopper can be discharged in batches, batch feeding of the color master batch for the sorting mechanism is achieved, and the probability of occurrence of excessive color master batch fed once is reduced.

Description

Sorting device for master batch

Technical Field

The utility model relates to the technical field of masterbatch sorting, in particular to a masterbatch sorting device.

Background

The color master batch is a novel special colorant for high polymer materials, also called pigment preparation, and is widely applied because of the effect of improving the dispersibility of pigments in products. Masterbatch sorting device is as the device that sorts the masterbatch, can distinguish the masterbatch of equidimension not to classify the masterbatch of equidimension not, have important effect to the letter sorting of masterbatch.

There is a masterbatch sorting device among the prior art, and it includes the organism, has seted up the letter sorting chamber in the organism, and the feed inlet has still been seted up in the top of organism in a run through, and the feed inlet communicates with each other with letter sorting chamber. The sorting cavity is internally provided with a first screening plate and a second screening plate, the first screening plate and the second screening plate are fixedly connected with the inner wall of the sorting cavity, and the top wall of the first screening plate and the top wall of the second screening plate are horizontally arranged and located on the same plane. And screening holes are formed in the first screening plate and the second screening plate in a penetrating mode, and the screening holes in the first screening plate are smaller than those in the second screening plate. The below of first screening board still is provided with the division board, and the division board is located between two screening boards. The two sides of the division plate are provided with sliding plates, one end of each sliding plate is fixedly connected with one side of the division plate, and one end of each sliding plate far away from the other sliding plate is obliquely arranged downwards. The two side walls of the machine body are provided with discharge holes, and one end of the sliding plate which is inclined downwards extends out of the discharge holes. Still be provided with driving motor, bull stick and stirring vane on the equipment body, stirring vane is located the top of two screening plates, and the bottom of bull stick and stirring vane's top center department fixed connection, outside the equipment body was worn out on the top of bull stick, bull stick and the coaxial setting of equipment body were rotated and are connected, and driving motor installs on the equipment body, and driving motor is used for driving the bull stick and rotates. When the color master batch sorting device is used, the driving motor is firstly started, the output shaft of the driving motor drives the rotating rod to rotate, then color master batch is poured from the feed inlet, the color master batch enters the sorting cavity through the feed inlet, the stirring blades stir the color master batch, and smaller color master batch falls down through the screening holes on the first screening plate and slides out of the discharge outlet through the sliding plate; the larger color master batch remained after the first screening is brought into the second screening net by the stirring blade, falls down through the screening holes on the second screening plate and slides out of the other discharge hole along the other sliding plate to finish sorting.

Aiming at the related technology, the inventor finds that when more color master batches enter through the feed inlet, the color master batches are stacked into multiple layers, when the larger color master batches are positioned below and block the screening holes, the smaller color master batches can move to the upper part of the second screening net together with the larger color master batches under the action of the stirring blades, so that the larger color master batches and part of the smaller color master batches fall onto the sliding plate through the screening holes on the second screening net and slide out of the same discharge hole together, the sorting effect of the color master batches is reduced, repeated screening of the color master batches is needed, and the sorting efficiency is reduced.

Disclosure of Invention

The utility model provides a method for reducing the occurrence probability of poor sorting effect caused by excessive addition of color master batches.

The utility model provides a sorting device for master batches, which adopts the following technical scheme:

the utility model provides a sorting device for master batch, includes the organism that opens there is the cavity, be provided with sorting mechanism in the cavity of organism, still be provided with feed mechanism on the organism, feed mechanism includes the feeder hopper, the feeder hopper install in the top of organism, the discharge gate of feeder hopper with the cavity in the organism communicates with each other, be provided with the reposition of redundant personnel subassembly in the feeder hopper, the reposition of redundant personnel subassembly includes driving piece, bull stick and a plurality of division board, each the division board all is located in the feeder hopper, the one end of division board with the lateral wall of bull stick is connected, the other end of division board with the diapire of feeder hopper is close to mutually, the bull stick with the feed hopper rotates to be connected, the driving piece is used for the drive the bull stick rotates.

Through adopting above-mentioned technical scheme, when needs are to the letter sorting mechanism feeding in the organism, let in the feeder hopper with the masterbatch in, the driving piece drive bull stick rotates this moment, and the bull stick drives each division board and all rotates to carry out the batch to the masterbatch that gets into in the feeder hopper and let in, and then realize throwing into the batch of masterbatch for the letter sorting mechanism, reduced the probability that the excessive phenomenon of masterbatch of disposable input appears.

Preferably, the feeding mechanism further comprises an adjusting hopper and an adjusting assembly, the adjusting hopper is located in the machine body, the adjusting hopper is located between the feeding hopper and the sorting mechanism, the adjusting hopper is connected with the machine body, and the adjusting assembly is used for adjusting the bottom outlet size of the adjusting hopper.

By adopting the technical scheme, when the color master batch in the feed hopper is discharged, the color master batch falls into the adjusting hopper firstly and is discharged from the outlet at the bottom end of the adjusting hopper; when the amount of the color master batch put into the sorting mechanism needs to be regulated again, the regulating component regulates the amount of the color master batch put into the sorting mechanism again through regulating the size of an outlet at the bottom end of the regulating hopper; the color master batch sorting machine has the advantages that the color master batch sorting machine can further adjust the amount of the color master batch in the input sorting mechanism through the adjustment hopper and the adjustment assembly, so that the sorting mechanism can fully sort the color master batch, and the probability of insufficient sorting due to excessive amount of the color master batch in the input sorting mechanism is reduced.

Preferably, the outlet of the adjusting bucket is formed in the bottom end of the side wall of the adjusting bucket, the adjusting assembly comprises an adjusting plate and an adjusting piece, the adjusting plate is rotatably connected with the side wall of the adjusting bucket, which is provided with the outlet, the adjusting plate can cover the outlet of the adjusting bucket, and the adjusting piece is used for adjusting the size of the outlet by driving the adjusting plate to rotate.

Through adopting above-mentioned technical scheme, when needs carry out further regulation to the volume of throwing into masterbatch in the letter sorting mechanism, regulating part drive regulating plate rotates, and the rotation of regulating plate makes the shielding area size of adjusting hopper lower extreme export change to the change is through the size of the volume of the masterbatch that the exit circulated out on the adjusting hopper, realizes the regulation to the volume of throwing into masterbatch in the letter sorting mechanism.

Preferably, the feeding mechanism further comprises a control assembly, the control assembly comprises a detection part and a control part, the adjustment bucket is in sliding connection with the machine body, the adjustment bucket can slide along the vertical direction, the detection part is located below the adjustment bucket, the detection part and the adjustment part are both electrically connected with the control part, the detection part is used for detecting a pressure value applied by the adjustment bucket to the control part, and the control part is used for receiving the pressure value and controlling the adjustment part to be opened when the pressure value reaches a standard.

Through adopting above-mentioned technical scheme, when the feed volume of adjusting the fill is greater than the discharge volume, adjust the masterbatch in the fill and take place to pile up, thereby make the adjustment fill down take place to slide, when adjusting fill and detecting the piece touching mutually, the pressure value that detects of detecting the piece reaches the standard, control piece control regulating part is opened, thereby make regulating part drive the regulating plate rotate, make the regulating plate reduce to the area that shelters from of adjusting fill lower extreme export, thereby improve the volume of throwing into the masterbatch in the sorting mechanism, and then reduce the volume of adjusting the interior masterbatch of fill, reduce the probability that the masterbatch spills from adjusting fill top because the volume of adjusting the interior masterbatch of fill is too much.

Preferably, a buffer spring is further arranged below the adjusting bucket, the buffer spring is located on the sliding path of the adjusting bucket, the top end of the buffer spring is connected with the adjusting bucket, and the bottom end of the buffer spring is connected with the inner side wall of the inner cavity of the machine body.

Through adopting above-mentioned technical scheme, setting up buffer spring can slow down the speed that the adjustment fill was slided downwards to effectively reduced because the speed that the adjustment fill was slided downwards is too fast, and lead to the possibility of taking place strong collision with the organism, and then effectively protected the integrality of adjustment fill.

Preferably, a spoiler is further arranged in the feed hopper, one end of the spoiler is connected with the inner side wall of the feed hopper, and the other end of the spoiler is obliquely arranged downwards.

Through adopting above-mentioned technical scheme, setting up the spoiler can alleviate the whereabouts that lets in the interior masterbatch of feeder hopper to slow down the stacking speed of the interior masterbatch of feeder hopper, and then reduce the atress size at feed divider top, reduce the operation load of driving piece.

Preferably, the sorting mechanism comprises a plurality of screens, each screen is provided with a screen hole, each screen is connected with the inner wall of the machine body cavity, each screen is far away from one end of the feed hopper and is arranged in a downward sloping mode, a plurality of discharge ports are formed in the machine body, one end of each screen is extended to the outside of the discharge ports, the screens are distributed in the vertical direction, and the diameters of the screen holes in the screens are sequentially reduced from bottom to bottom.

By adopting the technical scheme, when the color master batch falling onto the screen mesh slides along the top wall of the screen mesh, the color master batch smaller than the screen mesh on the screen mesh falls onto the next screen mesh through the screen mesh, and the color master batch larger than the screen mesh on the screen mesh slides out of the corresponding discharge port along the screen mesh; the specific setting of sorting mechanism can effectively select the masterbatch on the screen cloth for the masterbatch after the screening is according to size classification, and leads out from the discharge gate that corresponds respectively, has increased the efficiency of letter sorting.

Preferably, each discharge hole is externally provided with a storage box with an open upper end, the storage box is connected with the side wall of the machine body, and a cavity in the storage box is communicated with the corresponding discharge hole.

Through adopting above-mentioned technical scheme, to the setting of containing box for the masterbatch that the screening of leading to out via the discharge gate was accomplished can fall into in the containing box that corresponds, thereby accomplish the letter sorting to masterbatch.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the feeding mechanism is arranged, so that the amount of the color master batch put into the sorting mechanism can be adjusted, the sorting mechanism can fully sort the color master batch, and the probability of poor sorting effect on the color master batch due to excessive amount of the color master batch put into the sorting mechanism is reduced;

2. the control assembly is arranged, so that the adjustment degree of readjusting the amount of the color master batch put into the sorting mechanism can be limited, and the probability that the color master batch leaks from the top end of the adjusting hopper due to too much shielding of the outlet at the lower end of the adjusting hopper by the adjusting plate is reduced;

3. the specific setting of sorting mechanism can effectively select the masterbatch on the screen cloth for the masterbatch after the screening is according to size classification, and leads out from the discharge gate that corresponds respectively, has increased the efficiency of letter sorting.

Drawings

Fig. 1 is a schematic view of an overall sorting apparatus for master batch according to an embodiment of the present utility model.

Fig. 2 is a schematic diagram of a structure for embodying a driving member in an embodiment of the present utility model.

Fig. 3 is a schematic view of a structure for embodying a sorting mechanism in an embodiment of the present utility model.

Fig. 4 is an enlarged view of a portion B in fig. 3.

Reference numerals illustrate: 1. a body; 11. a discharge port; 2. a sorting mechanism; 21. a screen; 211. a sieve pore; 3. a feed mechanism; 31. a feed hopper; 32. a shunt assembly; 321. a driving member; 3211. a driving motor; 322. a rotating rod; 323. a diverter plate; 33. a feed pipe; 34. a spoiler; 35. adjusting the hopper; 351. a bucket body; 3511. an outlet; 352. an extension frame; 353. a discharge rail; 36. an adjustment assembly; 361. an adjusting plate; 362. an adjusting member; 3621. a rotary cylinder; 37. a control assembly; 371. a detecting member; 372. a control member; 4. a sliding frame; 41. a frame body; 42. a sliding rod; 43. a buffer spring; 5. a storage box; 6. and a impurity collection box.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-4.

The embodiment of the utility model discloses a sorting device for master batches. Referring to fig. 1, 2 and 3, the sorting device for master batch includes a body 1 having a chamber, and a sorting mechanism 2 is provided in the chamber of the body 1. The top of organism 1 is provided with feed mechanism 3, feed mechanism 3 includes feeder hopper 31, feeder hopper 31 fixed mounting is in the top of organism 1, the top of feeder hopper 31 is located outside the organism 1, the discharge end of feeder hopper 31 extends to in the organism 1 and communicates with each other with the cavity in the organism 1, still be provided with reposition of redundant personnel subassembly 32 in the feeder hopper 31, reposition of redundant personnel subassembly 32 includes driving piece 321, bull stick 322 and a plurality of splitter plates 323, driving piece 321 includes driving motor 3211, driving motor 3211 passes through bolt fixed mounting on the lateral wall of feeder hopper 31, driving motor's 3211's output shaft and bull stick 322 coaxial setting, and be connected with the one end transmission of bull stick 322, the lateral wall of feeder hopper 31 is passed to the other end of bull stick 322, and extend to in the another lateral wall of feeder hopper 31, the both ends of bull stick 322 are all passed through the bearing with feeder hopper 31 and are rotated and are connected. Each of the flow dividing plates 323 is disposed in the feed hopper 31, one end of each of the flow dividing plates 323 is fixedly connected with the side wall of the rotary rod 322 by welding, and the other end is close to the bottom wall of the feed hopper 31.

Referring to fig. 1 and 3, the top end of the feed hopper 31 is closed, and a feed pipe 33 is connected to the top end of the feed hopper 31, and the feed pipe 33 is used for introducing color master batch. Preferably, the number of the flow dividing plates 323 is three and is uniformly arranged at an equal angle along the axis of the rotating rod 322. Also provided in the hopper 31 are spoilers 34, the spoilers 34 being located on the upper side of the flow dividing plate 323, preferably three spoilers 34 are provided, and the three spoilers 34 are staggered in the vertical direction. One end of each spoiler 34 far away from the adjacent spoilers 34 is fixedly connected with the inner side wall of the feed hopper 31, and the other end of each group of spoilers 34 is obliquely arranged downwards.

Referring to fig. 3 and 4, the feeding mechanism 3 further comprises an adjustment hopper 35 and an adjustment assembly 36, the adjustment assembly 36 comprising an adjustment plate 361 and an adjustment member 362, the adjustment hopper 35 being located within the cavity of the machine body 1 and between the feed hopper 31 and the sorting mechanism 2. The adjusting hopper 35 comprises a hopper body 351, an extending frame 352 and a discharging track 353, wherein an outlet 3511 is formed in the side wall of the bottom end of the hopper body 351 in a penetrating mode, the top end of the extending frame 352 is fixedly connected with the top end of the hopper body 351 through welding, the extending frame 352 is located on one side close to the outlet 3511, and the extending frame 352 extends downwards. One end of the discharging track 353 is fixedly connected with a side wall of the outlet 3511 of the bucket body 351 through welding, and the other end of the discharging track 353 is obliquely downwards arranged.

Referring to fig. 2 and 3, two sliding frames 4 are further disposed in the machine body 1, each sliding frame 4 includes a frame 41 and two sliding rods 42, each sliding rod 42 is vertically disposed, the bottom end of each sliding rod 42 is connected with the corresponding frame 41 through welding, and two ends of the frame 41 are fixedly connected with the inner side wall of the chamber of the machine body 1 through welding. Each sliding rod 42 penetrates through the top end of the bucket body 351 and is in sliding connection with the bucket body 351, each sliding rod 42 is provided with a buffer spring 43, the buffer spring 43 is located between the frame 41 and the bucket body 351, the buffer springs 43 are sleeved on the corresponding sliding rods 42, the top ends of the buffer springs 43 are fixedly connected with the top ends of the bucket bodies 351, and the bottom ends of the buffer springs 43 are fixedly connected with the top wall of the frame 41.

Referring to fig. 3 and 4, an adjustment plate 361 is disposed at a side of the bucket body 351 near the outlet 3511, a top end of the adjustment plate 361 is rotatably connected to a sidewall of the bucket body 351 through a pin, and the adjustment plate 361 can cover the outlet 3511. The adjusting member 362 includes two rotating cylinders 3621, preferably, the number of the rotating cylinders 3621 is two, the rotating cylinders 3621 are provided with a control device for controlling the telescopic length of the piston rod, and how to control the telescopic length of the piston rod of the rotating cylinders 3621 is the prior art and will not be described herein. The cylinder body of the rotary cylinder 3621 is rotatably connected with the extension frame 352 through a pin shaft, and the piston rod of the rotary cylinder 3621 is rotatably connected with one surface of the adjusting plate 361 through a pin shaft. The rotating cylinder 3621 can adjust the rotating angle of the adjusting plate 361 by controlling the telescopic amount of the piston rod, thereby realizing the adjustment of the covering area of the outlet 3511.

Referring to fig. 1, 3 and 4, the feeding mechanism 3 further includes a control assembly 37, the control assembly 37 includes a detecting member 371 and a control member 372, preferably, the detecting member 371 is a pressure sensor, and the control member 372 is a PLC controller. The detecting element 371 is fixedly mounted on the top wall of one frame 41, the bottom end of the bucket 351 can touch the detecting element 371 in sliding, and the control element 372 is fixedly mounted on the outer side wall of the machine body 1. The detecting piece 371 and the rotating air cylinder 3621 are both electrically connected to the controller, the detecting piece 371 is used for detecting a pressure value received by the detecting piece 371, a preset value is stored in the detecting piece 371 in advance, the preset value is a pressure value, the control piece 372 is used for receiving the pressure value detected by the detecting piece 371, when the pressure value is larger than the preset value, the rotating air cylinder 3621 is controlled to be started, and the telescopic length of a piston rod of the rotating air cylinder 3621 is regulated and controlled according to the pressure value detected by the detecting piece 371.

Referring to fig. 1 and 3, the sorting mechanism 2 includes a plurality of screens 21, preferably, the number of screens 21 is set to three, the three screens 21 are sequentially arranged in the vertical direction, the three screens 21 are each provided with a plurality of screen holes 211, and the diameters of the screen holes 211 on the three screens 21 are sequentially reduced from bottom to bottom. The perisporium of every screen cloth 21 all with the inside wall fixed connection of organism 1 cavity, every screen cloth 21 all is located the below of adjusting the fill 35, and one side that every screen cloth 21 kept away from the adjustment fill 35 all downward sloping sets up, still runs through on the organism 1 kept away from one lateral wall of adjusting the fill 35 and has seted up a plurality of discharge gates 11, and the number of discharge gate 11 sets up to three, and with screen cloth 21 one-to-one. One end of each of the three screens 21 extends to the outside of the corresponding discharge port 11.

Referring to fig. 1 and 3, one end of the machine body 1 far away from the feeding hopper 31 is further provided with three storage boxes 5 with openings at the upper ends, and the three storage boxes 5 are in one-to-one correspondence with the discharge ports 11. The lateral wall fixed connection of lateral wall and organism 1 of containing box 5, the cavity in the containing box 5 communicates with corresponding discharge gate 11, and the one end that each screen cloth 21 kept away from adjusting hopper 35 all can extend to in the containing box 5. The bottom of the inner cavity of the machine body 1 is also provided with a trash collection box 6, the trash collection box 6 is positioned below the screen 21, the trash collection box 6 is in sliding connection with the machine body 1 through a sliding rail, the trash collection box 6 can slide out of the machine body 1, and the trash collection box 6 is used for discharging sundries falling into the bottom out of the machine body 1.

The embodiment of the utility model provides a sorting device for master batches, which comprises the following implementation principles: when the color master batch sorting machine is used, the color master batch sorting machine is used for introducing color master batch into the feed hopper 31 through the feed pipe 33, the color master batch falls into the bottom end of the feed hopper 31 through the flow blocking plate 34, and the driving motor 3211 drives the flow splitting plate 323 to rotate so as to drop the color master batch in the feed hopper 31 into the adjusting hopper 35 in batches. Then falls to the upper part of the screen 21 through the outlet 3511 of the adjusting hopper 35, and falls into the storage box 5 after being screened by the screen 21 to finish sorting. When the size of the amount of the color master batch falling into the screen 21 needs to be adjusted again, the piston rod of the rotating cylinder 3621 stretches out and draws back, so that the adjusting plate 361 is driven to rotate, the size of the coverage area of the outlet 3511 on the adjusting hopper 35 is changed, and the size of the amount of the color master batch falling into the screen 21 is adjusted.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. The utility model provides a sorting device for master batch, is including opening organism (1) that has the cavity, be provided with letter sorting mechanism (2), its characterized in that in the cavity of organism (1): still be provided with feed mechanism (3) on organism (1), feed mechanism (3) include feeder hopper (31), feeder hopper (31) install in the top of organism (1), discharge gate (11) of feeder hopper (31) with cavity in organism (1) communicates with each other, be provided with reposition of redundant personnel subassembly (32) in feeder hopper (31), reposition of redundant personnel subassembly (32) include driver (321), bull stick (322) and a plurality of reposition of redundant personnel board (323), each reposition of redundant personnel board (323) all are located in feeder hopper (31), the one end of reposition of redundant personnel board (323) with the lateral wall of bull stick (322) is connected, the other end of reposition of redundant personnel board (323) with the diapire of feeder hopper (31) is close to, bull stick (322) with feeder hopper (31) rotate and are connected, driver (321) are used for the drive bull stick (322) rotate.

2. The sorting device for master batches according to claim 1, wherein: the feeding mechanism (3) further comprises an adjusting hopper (35) and an adjusting assembly (36), the adjusting hopper (35) is located in the machine body (1), the adjusting hopper (35) is located between the feeding hopper (31) and the sorting mechanism (2), the adjusting hopper (35) is connected with the machine body (1), and the adjusting assembly (36) is used for adjusting the bottom outlet size of the adjusting hopper (35).

3. A sorting apparatus for masterbatch according to claim 2, characterized in that: the outlet of the adjusting bucket (35) is formed in the bottom end of the side wall of the adjusting bucket, the adjusting assembly (36) comprises an adjusting plate (361) and an adjusting piece (362), the adjusting plate (361) is rotatably connected with the side wall of the adjusting bucket (35) with the outlet, the adjusting plate (361) can cover the outlet of the adjusting bucket (35), and the adjusting piece (362) is used for adjusting the size of the outlet by driving the adjusting plate (361) to rotate.

4. A masterbatch sorter according to claim 3, characterized in that: the feeding mechanism (3) further comprises a control component (37), the control component (37) comprises a detection piece (371) and a control piece (372), the adjustment bucket (35) is in sliding connection with the machine body (1), the adjustment bucket (35) can slide along the vertical direction, the detection piece (371) is located below the adjustment bucket (35), the detection piece (371) and the adjustment piece (362) are all electrically connected to the control piece (372), the detection piece (371) is used for detecting a pressure value applied by the adjustment bucket (35) to the self, and the control piece (372) is used for receiving the pressure value and controlling the adjustment piece (362) to be opened when the pressure value reaches a standard.

5. A sorting apparatus for masterbatch according to claim 2, characterized in that: the adjustable bucket is characterized in that a buffer spring (43) is further arranged below the adjustable bucket (35), the buffer spring (43) is located on a sliding path of the adjustable bucket (35), the top end of the buffer spring (43) is connected with the adjustable bucket (35), and the bottom end of the buffer spring (43) is connected with the inner side wall of the inner cavity of the machine body (1).

6. The sorting device for master batches according to claim 1, wherein: the feeding hopper (31) is internally provided with a flow blocking plate (34), one end of the flow blocking plate (34) is connected with the inner side wall of the feeding hopper (31), and the other end of the flow blocking plate (34) is obliquely arranged downwards.

7. The sorting device for master batches according to claim 1, wherein: sorting mechanism (2) are including a plurality of screen cloth (21), all offer sieve mesh (211) on each screen cloth (21), each screen cloth (21) all with the inner wall connection of organism (1) cavity, each screen cloth (21) are kept away from the equal downward sloping of one end of feeder hopper (31) sets up, has offered a plurality of discharge gates (11) on organism (1), each one end of screen cloth (21) all extends to outside discharge gate (11), a plurality of screen cloth (21) are along vertical direction distribution, a plurality of the diameter of sieve mesh (211) on screen cloth (21) reduces in proper order from down.

8. The sorting device for master batches according to claim 7, wherein: each discharge gate (11) all is provided with upper end open-ended containing box (5) outward, containing box (5) with the lateral wall of organism (1) is connected, the cavity in containing box (5) with correspond discharge gate (11) intercommunication.