CN217395394U - Degradable plastic granulation device - Google Patents

Abstract

The utility model discloses a degradable plastic granulating device, a heating box is arranged at the top of a working box, one side of the heating box is connected with an air inlet pipe, an air suction fan is embedded in the air inlet pipe, the other side of the heating box is connected with an air conveying pipe, the bottom of the air conveying pipe is connected with three communicating pipes, the bottoms of the three communicating pipes are all connected with the bottom side of the working box, an inclined plate is arranged at the middle position in the working box, shaft sleeves are arranged above the inner walls at the two sides of the working box, a movable shaft is connected between the shaft sleeves, a gear roller is arranged on the outer surface of the movable shaft, a first motor is arranged above the edge part of the working box, the output shaft of the first motor is fixedly connected with one movable shaft, the utility model can uniformly disperse heat to the inside of the working box through the three communicating pipes, and crush the plastic through the gear roller, so that the volume of the plastic is smaller, the melting speed is accelerated, and the incompletely crushed plastic can be repeatedly crushed through the inclined plate, the efficiency of plastic granulation is improved.

Description

Degradable plastic granulation device

Technical Field

The utility model relates to a plastics granulation technical field specifically is a degradable plastics prilling granulator.

Background

The plastic granulation is a process for machining plastic, and the degradable plastic is also called environment degradable plastic, namely that a certain amount of additive is added in the production process to reduce the stability of the degradable plastic, then the degradable plastic is easily degraded in the environment, and a granulation device can melt the plastic product to be reshaped into a new form

However, before plastic is melted, the plastic granulating device in the market is lack of a plastic crushing device, so that the volume of the plastic participating in melting is different, and the melting speed of a plastic product with a large volume is slower than that of a plastic product with a small volume under the same melting time and temperature, so that the plastic granulating speed is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a degradable plastics prilling granulator can effectively solve and propose the plastics prilling granulator on the existing market among the above-mentioned background art before melting plastics, owing to lack the reducing mechanism to plastics for participate in the fused plastics volume different, make under the same melting time and temperature, the fused speed of plastic products that is bulky can be slower than the plastic products melting speed that is small, often consequently can reduce the problem of the speed of plastics granulation.

In order to achieve the above object, the utility model provides a following technical scheme: a degradable plastic granulation device comprises a working box, wherein a granulation frame is fixedly connected to the bottom of one side of the working box, a heating box is fixedly mounted on one side of the top of the working box, heating wires are arranged in the heating box, an air inlet pipe is fixedly connected to one side of the heating box, an air suction fan is embedded and mounted in the middle of the air inlet pipe, an air conveying pipe is connected to one side of the heating box, which is far away from the granulation frame, the bottom of the air conveying pipe is connected with three communicating pipes, the bottoms of the three communicating pipes are all connected with the bottom of the working box, and a crushing and granulation assembly is arranged in the working box;

the crushing and granulating assembly comprises a feed port, an inclined plate, a shaft sleeve, a movable shaft, a gear roller, a first motor, an electric push rod and a push plate;

the utility model discloses a work box, including work box, heating cabinet, movable shaft, gear roller, work box, electric putter, the work box top is kept away from heating cabinet one side fixed mounting has the dog-house, the work box intermediate position is provided with the hang plate, the equal fixed mounting in work box both sides inner wall top has the axle sleeve, two the inside equal swing joint of axle sleeve has the loose axle, loose axle outer fixed surface installs the fluted roller, the work box is close to defeated tuber pipe one side top fixed mounting has first motor, the output shaft and a loose axle fixed connection of first motor, the work box is close to first motor one side inner wall bottom fixed mounting has electric putter, electric putter tip fixed mounting has the push pedal.

Preferably, the input ends of the heating wire, the air suction fan, the first motor and the electric push rod are connected with the output end of an external power supply, the communicating pipe is connected to the inside of the inclined plate, the bottom of the inclined plate and the inner wall of the working box are connected with the intercepting net, the movable shaft is provided with two toothed rollers which are connected in a meshing manner, and the length and the height of the push plate are equal to those of the granulating frame.

Preferably, a convenient cutter granulation assembly is fixedly mounted on one side, close to the granulation frame, of the edge part of the working box;

the convenient cutter granulation assembly comprises an L-shaped supporting plate, a second motor, a screw, a guide rod, a connecting plate, a movable block, a sliding groove, an electric telescopic rod, a cutter, an accommodating groove, a granulation plate and a granulation hole;

an L-shaped supporting plate is fixedly arranged in the middle of one side of the edge part of the working box, which is close to the granulation frame, a second motor is fixedly arranged on one side of the L-shaped supporting plate, which is far away from the working box, the output shaft of the second motor is fixedly provided with a screw rod, both ends of the L-shaped supporting plate are fixedly provided with guide rods which are fixedly connected with the working box, the outer part of the screw is connected with a connecting plate by screw thread, both ends of the connecting plate are fixedly connected with movable blocks, the movable blocks are connected to the outer surface of the guide rod in a sliding manner, sliding grooves are formed in the positions, corresponding to the guide rod, in the L-shaped supporting plate, electric telescopic rods are fixedly arranged at the bottoms of the two movable blocks, the bottom of the electric telescopic rod is fixedly provided with a cutter, the top of the granulation frame is provided with an accommodating groove, the inside slip embedding of accepting groove is connected with the granulation board, a plurality of granulation holes have evenly been seted up to the granulation board inside.

Preferably, the input ends of the second motor and the electric telescopic rod are connected with the output end of an external power supply, one side of the screw rod, close to the working box, is movably connected with the working box through a cushion block, and the length of the sliding groove is equal to that of the guide rod.

Preferably, granulation frame bottom fixed mounting has the blanking fill, the inside intermediate position department fixed mounting of blanking fill has the dead lever, dead lever external surface fixed mounting has the spiral leaf, the inside cavity that is provided with of blanking fill, blanking fill bottom fixed mounting has the collection box, collect box both sides inner wall intermediate position department and all be provided with the restriction piece, the inside embedding sliding connection of restriction piece has the sieve, it is provided with waste material box to collect box inside bottom side, the equal fixed mounting in work box bottom and blanking fill limit portion has the supporting legs, blanking fill top is kept away from work box one side fixed mounting and is had the inlet, blanking fill limit portion is kept away from inlet one side bottom fixed mounting and is had the liquid outlet, the embedding in the middle part of the liquid outlet installs the water valve.

Preferably, cold water is arranged in the cavity, the number of the supporting legs is three, and the length and the width of the waste material box are equal to those of the sieve plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. be provided with communicating pipe and broken granulation subassembly, through communicating pipe with the even dispersion of heat after the heating to the work box inside, make plastic products be heated evenly, and carry out crushing treatment to plastic products through the fluted roller, make plastic products's volume littleer, the molten speed is faster, and through being provided with the hang plate, make not abundant broken plastic products intercepted and repeated crushing treatment by the hang plate, reduce the volume of plastics, plastics melting time has been accelerated, the efficiency of plastics granulation has been improved.

2. Be provided with convenient cutter granulation subassembly, can sliding connection prilling board through the accepting groove, can make to change different prilling boards according to the specification diameter of required granulation, labour saving and time saving to through the position of second motor with screw rod control cutter, rethread electric telescopic rod control cutter cuts, makes the length of plastics granulation can obtain controlling, and after work, the cutter can be placed to the accepting groove, avoids the mistake to touch and produces the potential safety hazard.

3. Be provided with the blanking fill, the spiral leaf, the cavity, the inlet, the liquid outlet, the water valve, sieve and waste material box, through be provided with cold water in the cavity, can carry out cooling treatment to the plastics after the granulation, and through the setting of spiral leaf, make plastics can the screw-down in the blanking fill, increase the cooling contact time of plastics master batch, and through water valve control liquid outlet, can be timely change the cold water in the cavity, make the cooling that the plastics master batch can be abundant improve cooling efficiency, and collect and sieve the plastic pellet that is not conform to the specification through the sieve, and can change the sieve through the restriction board, the convenience has been improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the internal structure of the heating chamber of the present invention;

FIG. 3 is a schematic view of the inner structure of the working box of the present invention;

fig. 4 is a schematic structural view of the convenient cutter granulating assembly of the utility model;

FIG. 5 is a schematic view of the internal structure of the blanking hopper of the present invention;

FIG. 6 is a schematic view of the internal structure of the collecting box of the present invention;

reference numbers in the figures: 1. a work box; 2. a granulation frame; 3. a heating box; 4. heating wires; 5. an air inlet pipe; 6. an air suction fan; 7. a wind delivery pipe; 8. a communicating pipe;

9. crushing and granulating components; 901. a feeding port; 902. an inclined plate; 903. a shaft sleeve; 904. a movable shaft; 905. a toothed roller; 906. a first motor; 907. an electric push rod; 908. pushing the plate;

10. a convenient cutter granulation assembly; 1001. an L-shaped support plate; 1002. a second motor; 1003. A screw; 1004. a guide rod; 1005. a connecting plate; 1006. a movable block; 1007. a chute; 1008. an electric telescopic rod; 1009. a cutter; 1010. an accommodating groove; 1011. a prilling plate; 1012. granulating holes;

11. a blanking hopper; 12. fixing the rod; 13. helical leaves; 14. a cavity; 15. a collection box; 16. A limiting block; 17. a sieve plate; 18. a waste material box; 19. supporting legs; 20. a liquid inlet; 21. a liquid outlet; 22. a water valve.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

The embodiment is as follows: as shown in fig. 1-6, the utility model provides a technical scheme, a degradable plastic granulation device, including work box 1, work box 1 one side bottom fixedly connected with granulation frame 2, work box 1 top one side fixedly mounted has heating cabinet 3, heating cabinet 3 is inside to be provided with heater strip 4, the input of heater strip 4 is connected with the output of external power supply, heating cabinet 3 one side fixedly connected with air-supply line 5, air-suction fan 6 is embedded and installed at the middle position inside air-supply line 5, the input of air-suction fan 6 is connected with the output of external power supply, heating cabinet 3 keeps away from granulation frame 2 one side and is connected with defeated tuber pipe 7, defeated tuber pipe 7 bottom is connected with three communicating pipes 8, three communicating pipes 8 bottoms all are connected with work box 1 bottom side, work box 1 is inside to be provided with broken granulation subassembly 9;

the crushing and granulating assembly 9 comprises a feeding port 901, an inclined plate 902, a shaft sleeve 903, a movable shaft 904, a toothed roller 905, a first motor 906, an electric push rod 907 and a push plate 908;

a feeding port 901 is fixedly arranged at the top of the working box 1 far away from the heating box 3, an inclined plate 902 is arranged at the middle position in the working box 1, a communicating pipe 8 is connected to the inside of the inclined plate 902, an interception net is connected with the bottom of the inclined plate 902 and the inner wall of the working box 1, shaft sleeves 903 are fixedly arranged above the inner walls at two sides of the working box 1, movable shafts 904 are movably connected in the two shaft sleeves 903, two movable shafts 904 are arranged, gear rollers 905 are fixedly arranged on the outer surfaces of the movable shafts 904, the two gear rollers 905 are meshed and connected, a first motor 906 is fixedly arranged above the side of the working box 1 close to the air conveying pipe 7, the input end of the first motor 906 is connected with the output end of an external power supply, the output shaft of the first motor 906 is fixedly connected with one movable shaft 904, an electric push rod 907 is fixedly arranged at the bottom of the inner wall of the working box 1 close to the side of the first motor 906, and the input end of the electric push rod 907 is connected with the output end of the external power supply, the end part of the electric push rod 907 is fixedly provided with a push plate 908, and the length and the height of the push plate 908 are equal to those of the granulation frame 2;

a convenient cutter granulation assembly 10 is fixedly arranged on one side of the edge of the working box 1 close to the granulation frame 2;

the convenient cutter granulating assembly 10 comprises an L-shaped supporting plate 1001, a second motor 1002, a screw 1003, a guide rod 1004, a connecting plate 1005, a movable block 1006, a sliding chute 1007, an electric telescopic rod 1008, a cutter 1009, an accommodating groove 1010, a granulating plate 1011 and a granulating hole 1012;

an L-shaped supporting plate 1001 is fixedly arranged in the middle of one side of the working box 1 close to the granulating frame 2, a second motor 1002 is fixedly arranged on one side of the L-shaped supporting plate 1001 away from the working box 1, the input end of the second motor 1002 is connected with the output end of an external power supply, a screw 1003 is fixedly arranged on the output shaft of the second motor 1002, one side of the screw 1003 close to the working box 1 is movably connected with the working box 1 through a cushion block, two ends of the L-shaped supporting plate 1001 are fixedly provided with a guide rod 1004 and fixedly connected with the working box 1, the outer part of the screw 1003 is in threaded connection with a connecting plate 1005, two ends of the connecting plate 1005 are fixedly connected with movable blocks 1006, the movable blocks 1006 are slidably connected to the outer surface of the guide rod 1004, a chute 1007 is arranged in the L-shaped supporting plate 1001 at a position corresponding to the guide rod 1004, the length of the chute 1007 is equal to that of the guide rod 1004, so that the electric telescopic rods 1008 can move conveniently, electric telescopic rods 1008 are fixedly arranged at the bottoms of the two movable blocks 1006, the input end of the electric telescopic rod 1008 is connected with the output end of an external power supply, the bottom of the electric telescopic rod 1008 is fixedly provided with a cutter 1009, the top of the granulating frame 2 is provided with an accommodating groove 1010, a granulating plate 1011 is embedded and connected in the accommodating groove 1010 in a sliding manner, and a plurality of granulating holes 1012 are uniformly formed in the granulating plate 1011;

a blanking hopper 11 is fixedly arranged at the bottom of the granulation frame 2, a fixed rod 12 is fixedly arranged at the middle position inside the blanking hopper 11, spiral blades 13 are fixedly arranged on the outer surface of the fixed rod 12, a cavity 14 is arranged inside the blanking hopper 11, cold water is arranged inside the cavity 14, a collecting box 15 is fixedly arranged at the bottom of the blanking hopper 11, limiting blocks 16 are arranged at the middle positions of the inner walls of the two sides of the collecting box 15, a sieve plate 17 is embedded and connected inside the limiting blocks 16 in a sliding manner, a waste material box 18 is arranged at the bottom side inside the collecting box 15, and the length and the width of the waste material box 18 are equal to the length of the sieve plate 17, the width equals, and 1 bottom of work box and 11 limit portion of blanking fill equal fixed mounting have supporting legs 19, and supporting legs 19 are provided with threely, and 1 one side fixed mounting that work box 1 was kept away from at 11 tops of blanking fill has inlet 20, and 20 one side bottom fixed mounting that the inlet 20 was kept away from to 11 limit portions of blanking fill has liquid outlet 21, and the embedding of liquid outlet 21 middle part installs water valve 22.

The utility model discloses a theory of operation and use flow: before the device is used, an external power supply is connected to the heating wire 4, the air suction fan 6, the first motor 906, the electric push rod 907, the second motor 1002 and the electric telescopic rod 1008, the electric telescopic rod 1008 is started, the electric telescopic rod 1008 is contracted, the cutter 1009 is taken out of the accommodating groove 1010, the granulating plate 1011 is embedded into and slidably connected to the granulating frame 2, the granulating plate 1011 with the required specification is selected, the sieve plate 17 with the specification corresponding to the granulating plate 1011 is embedded into and slidably connected to the limiting block 16 in the collecting box 15, the waste material box 18 is placed at the bottom side in the collecting box 15, the first motor 906 is started, the output shaft of the first motor 906 drives the movable shaft 904 to rotate, the movable shaft 904 rotates to drive the tooth rollers 905 fixedly connected to the outside of the movable shaft 904 to rotate, when one tooth roller 905 rotates, because the two tooth rollers 905 are mutually meshed, the two tooth rollers 905 rotate relatively because of meshed connection, at this time, the plastic product is thrown into the work box 1 from the feeding port 901, the plastic product is crushed by the two toothed rollers 905 and falls onto the inclined plate 902, at this time, the plastic falling onto the inclined plate 902 slides downwards along the inclined plate 902 and is intercepted by the intercepting net at the bottom of the inclined plate 902, and after the thrown plastic is completely crushed, the first motor 906 is turned off;

then the heating wire 4 and the air suction fan 6 are started, the air suction fan 6 sucks external air into the heating box 3, the heating wire 4 heats the air in the heating box 3, the air suction fan 6 continuously sucks the external air into the heating box 3, the air heated in the heating box 3 moves through the air conveying pipe 7, the hot air is uniformly distributed into the working box 1 through the three communicating pipes 8, at the moment, the heat is gathered at one side of the inclined plate 902 and guided into the plastic on the inclined plate 902 through the inclined plate 902, the plastic is melted when being heated, the melted plastic product falls to the bottom of the working box 1 through the intercepting net, the electric push rod 907 is started again, the electric push rod 907 extends to push the push plate 908 to move towards the granulating plate 1011, the push plate 908 pushes the melted plastic to move, and the plastic is attached to the granulating plate 1011 due to the pushing of the push plate 908, and plastic strips are produced through granulation holes 1012 uniformly formed on the granulation plate 1011;

the second motor 1002 is started, the second motor 1002 drives the screw 1003 to rotate, the screw 1003 rotates to enable the connecting plate 1005 in threaded connection with the outside of the screw 1003 to move, the connecting plate 1005 drives the movable block 1006 to move in the moving process, the movable block 1006 is connected to the outside of the guide rod 1004 in a sliding mode, the moving direction of the movable block 1006 is limited by the guide rod 1004, the electric telescopic rod 1008 moves along with the movable block 1006 in the sliding groove 1007 and drives the cutter 1009 to move, when the cutter 1009 moves to the corresponding position of the edge of the granulation frame 2, the second motor 1002 is turned off, the telescopic frequency of the electric telescopic rod 1008 is adjusted according to the length of the plastic master batch to be cut, when the telescopic frequency of the electric telescopic rod 1008 is faster, the length of the cut plastic master batch is smaller, after the frequency of the electric telescopic rod 1008 is adjusted, the electric telescopic rod 1009 is started to extend, the electric telescopic rod 1008 drives the cutter to move downwards and reset, cutting the plastic strips generated by the granulation holes 1012 to obtain the required plastic master batches;

the cut plastic master batches fall into the blanking hopper 11 and spirally move downwards through the spiral blade 13, at the moment, cold water in the cavity 14 at the edge of the blanking hopper 11 cools the plastic master batches, the spiral blade 13 increases the stroke of plastic granulation in the blanking hopper 11, so that the plastic master batches can be sufficiently cooled, the cooled plastic master batches can pass through the blanking hopper 11 and fall into the sieve plate 17 in the collection box 15, the plastic master batches meeting the specification can be intercepted by the sieve plate 17, the plastic master batches not meeting the specification can fall into the waste box 18 through the sieve plate 17, in the process of cooling the plastic master batches, the cold water in the cavity 14 needs to be replaced in time, water heated by the temperature in the cavity 14 is discharged through the liquid outlet 21 by opening the water valve 22, then the water valve 22 is closed, and new cold water is filled from the liquid inlet 20, the plastic master batch is convenient to be fully cooled;

after the granulation work, close earlier and inhale fan 6 and heater strip 4, slide sieve 17 from restriction piece 16 and take out, and collect the plastics granulation on the sieve 17, do not conform to the plastics granulation of specification in the waste material box 18 and do over again or reprocess, slide granulation board 1011 from granulation frame 2 and take out, clear up granulation board 1011, start electric putter 907 shrink, make push pedal 908 reset, clear up the back to the cutter, start second motor 1002, it moves to the accepting groove 1010 top to control the rotatory connecting plate 1005 that drives of screw 1003 through second motor 1002, start electric telescopic handle 1008 extension, place cutter 1009 inside the accepting groove 1010.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A degradable plastics prilling granulator, includes work box (1), its characterized in that: the granulation device is characterized in that a granulation frame (2) is fixedly connected to the bottom of one side of the working box (1), a heating box (3) is fixedly mounted on one side of the top of the working box (1), a heating wire (4) is arranged inside the heating box (3), an air inlet pipe (5) is fixedly connected to one side of the heating box (3), an air suction fan (6) is embedded and mounted in the middle of the inside of the air inlet pipe (5), an air conveying pipe (7) is connected to one side, away from the granulation frame (2), of the heating box (3), the bottom of the air conveying pipe (7) is connected with three communicating pipes (8), the bottoms of the three communicating pipes (8) are all connected with the bottom side of the working box (1), and a crushing and granulation assembly (9) is arranged inside the working box (1);

the crushing and granulating assembly (9) comprises a feeding port (901), an inclined plate (902), a shaft sleeve (903), a movable shaft (904), a toothed roller (905), a first motor (906), an electric push rod (907) and a push plate (908);

work box (1) top is kept away from heating cabinet (3) one side fixed mounting has dog-house (901), work box (1) inside intermediate position is provided with hang plate (902), equal fixed mounting has axle sleeve (903) above the inner wall of work box (1) both sides, two axle sleeve (903) inside all rotates and is connected with loose axle (904), loose axle (904) surface fixed mounting has fluted roller (905), work box (1) is close to defeated tuber pipe (7) one side top fixed mounting has first motor (906), the output shaft and a loose axle (904) fixed connection of first motor (906), work box (1) is close to first motor (906) one side inner wall bottom fixed mounting has electric putter (907), electric putter (907) tip fixed mounting has push pedal (908).

2. The apparatus of claim 1, wherein: the input ends of the heating wire (4), the air suction fan (6), the first motor (906) and the electric push rod (907) are connected with the output end of an external power supply, the communicating pipe (8) is connected to the inside of the inclined plate (902), the bottom of the inclined plate (902) and the inner wall of the working box (1) are connected with an intercepting net, two movable shafts (904) are arranged, two toothed rollers (905) are connected in a meshed mode, and the length and the height of the push plate (908) are equal to those of the granulation frame (2).

3. The device for pelletizing degradable plastics according to claim 1, characterized in that: a convenient cutter granulation assembly (10) is fixedly arranged on one side of the edge of the working box (1) close to the granulation frame (2);

the convenient cutter granulating assembly (10) comprises an L-shaped supporting plate (1001), a second motor (1002), a screw (1003), a guide rod (1004), a connecting plate (1005), a movable block (1006), a sliding groove (1007), an electric telescopic rod (1008), a cutter (1009), an accommodating groove (1010), a granulating plate (1011) and a granulating hole (1012);

the middle part of one side, close to the granulation frame (2), of the edge part of the working box (1) is fixedly provided with an L-shaped supporting plate (1001), one side, far away from the working box (1), of the L-shaped supporting plate (1001) is fixedly provided with a second motor (1002), an output shaft of the second motor (1002) is fixedly provided with a screw (1003), two ends of the L-shaped supporting plate (1001) are fixedly provided with a guide rod (1004) and fixedly connected with the working box (1), the outer part of the screw (1003) is in threaded connection with a connecting plate (1005), two ends of the connecting plate (1005) are fixedly connected with movable blocks (1006), the movable blocks (1006) are slidably connected with the outer surface of the guide rod (1004), a sliding groove (1007) is formed in the corresponding position of the guide rod (1004) inside the L-shaped supporting plate (1001), two bottoms of the movable blocks (1006) are fixedly provided with electric telescopic rods (1008), and a cutter (1009) is fixedly arranged at the bottom of the electric telescopic rods (1008), an accommodating groove (1010) is formed in the top of the granulating frame (2), a granulating plate (1011) is connected to the inside of the accommodating groove (1010) in a sliding embedded mode, and a plurality of granulating holes (1012) are uniformly formed in the granulating plate (1011).

4. The device for pelletizing degradable plastics according to claim 3, characterized in that: the input ends of the second motor (1002) and the electric telescopic rod (1008) are connected with the output end of an external power supply, one side, close to the working box (1), of the screw rod (1003) is movably connected with the working box (1) through a cushion block, and the length of the sliding groove (1007) is equal to that of the guide rod (1004).

5. The device for pelletizing degradable plastics according to claim 1, characterized in that: the bottom of the granulation frame (2) is fixedly provided with a blanking hopper (11), a fixing rod (12) is fixedly arranged at the middle position inside the blanking hopper (11), a spiral blade (13) is fixedly arranged on the outer surface of the fixing rod (12), a cavity (14) is arranged inside the blanking hopper (11), a collection box (15) is fixedly arranged at the bottom of the blanking hopper (11), limiting blocks (16) are arranged at the middle positions of the inner walls of the two sides of the collection box (15), sieve plates (17) are embedded into the limiting blocks (16) in a sliding connection mode, waste material boxes (18) are arranged at the bottom side inside the collection box (15), supporting legs (19) are fixedly arranged at the bottom of the working box (1) and the edge of the blanking hopper (11), a liquid inlet (20) is fixedly arranged at one side of the blanking hopper (11) away from the top of the working box (1), a liquid outlet (21) is fixedly arranged at the bottom of one side of the blanking hopper (11) away from the liquid inlet (20), and a water valve (22) is embedded in the middle of the liquid outlet (21).

6. The device for pelletizing degradable plastics according to claim 5, characterized in that: the inside cold water that is provided with of cavity (14), supporting legs (19) are provided with threely, the length, the width of waste material box (18) are equal with the length, the width of sieve (17).

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