CN218399351U

CN218399351U - Mixing roll for plastic granulation

Info

Publication number: CN218399351U
Application number: CN202221387587.2U
Authority: CN
Inventors: 聂正国
Original assignee: Nanjing Mianchuang Machinery Co ltd
Current assignee: Nanjing Mianchuang Machinery Co ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2023-01-31
Anticipated expiration: 2032-06-06

Abstract

The utility model discloses a mixing roll for plastics granulation relates to plastics processing technology field, including mixing barrel and feeder hopper, the feeder hopper welding is at the leftmost end at mixing barrel top, the inside welding of mixing barrel has the inner tube, the outer periphery winding of inner tube has electric heating element, the inside rotation of inner tube is connected with the screw rod that is used for stirring the material, the inside top surface fixedly connected with screening net bucket of feeder hopper, the inside rotation of screening net bucket is connected with inside hollow (mixing) shaft, a plurality of air jets that are located screening net bucket are evenly seted up to the outer periphery of (mixing) shaft, the top welding of feeder hopper has the connecting box that is used for toward the inside defeated steam of (mixing) shaft, the fan that is used for toward defeated steam in the connecting box is installed to the right-hand member at mixing barrel top. Through setting up screening net bucket in the feeder hopper, before the material is mixed, can realize sieving the material, the fan can be with the steam extraction in the mixing section of thick bamboo and discharge into in the connecting box, like this when the material is sieved, can preheat the material.

Description

Mixing roll for plastic granulation

Technical Field

The utility model relates to a plastic processing technology field especially relates to a mixing roll for plastics granulation.

Background

In the plastic particle processing procedure, the plastic raw material is usually required to be subjected to mixing processing, and the mixing is a process of uniformly mixing raw rubber or plastic rubber with various compounding ingredients through mechanical action.

The utility model discloses a melting and mixing device for plastic granulation, which is a utility model with the publication number of CN213412585U in the existing Chinese patent, and comprises a first extruder, wherein a driving screw is rotatably arranged in the first extruder, and a first feeding hole and a first discharging hole are arranged on the first extruder; the second extruder is provided with a second feed inlet and a wire outlet, and the second feed inlet is connected with the first discharge outlet of the first extruder; a circulating rolling cavity and an extrusion cavity are arranged in the second extruder, and the second feed port is communicated with the circulating rolling cavity; a conical screw and a straight rod screw are rotatably mounted in the second extruder, the conical screw and the straight rod screw are fixedly arranged into a whole, the conical screw is positioned in the circulating kneading cavity, the straight rod screw is positioned in the extrusion cavity, and the end part of the straight rod screw is positioned in a screw outlet of the second extruder;

the utility model discloses a can be mixed to the plastics closure, but this utility model is difficult to sieve the material before the material is mixed, when containing the material of big particle diameter in the material, the condition that can not melt completely easily appears in the material of big particle diameter to influence the mixing quality of material, and this utility model is difficult to preheat the material, and the material heating is consuming time longer like this, influences machining efficiency, and for this reason we have proposed a mixing mill for plastics granulation, with the technical problem who solves above-mentioned proposition.

SUMMERY OF THE UTILITY MODEL

The utility model provides a mixing roll for plastics granulation to solve the current mixing roll that above-mentioned background art provided and be difficult to sieve the material before the material is mixed, and be difficult to carry out the problem that preheats to the material.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a mixing roll for plastic granulation comprises a mixing roll and a feed hopper, wherein the feed hopper is welded at the leftmost end of the top of the mixing roll;

the inside welding of mixing barrel has the inner tube, the outer periphery winding of inner tube has electric heating element, the inside rotation of inner tube is connected with the screw rod that is used for stirring the material, the inside top surface fixedly connected with screening net bucket of feeder hopper, the inside rotation of screening net bucket is connected with inside hollow (mixing) shaft, a plurality of air jets that are located screening net bucket are evenly seted up to the outer periphery of (mixing) shaft, the top welding of feeder hopper has the connecting box that is used for toward the inside defeated steam of (mixing) shaft, the fan that is used for toward defeated steam in the connecting box is installed to the right-hand member at mixing barrel top.

Further, the upper end on screening net bucket right side is pegged graft and is had the filling tube that runs through out the feeder hopper, the row's of material pipe that runs through out the feeder hopper is pegged graft to the bottom of screening net bucket, the electric butterfly valve who is located to arrange directly over the material pipe is installed to the bottom of screening net bucket.

Furthermore, the bottom of the feed hopper penetrates into the mixing barrel and is inserted into the left end of the top of the inner barrel, and the feed hopper is communicated with the inside of the inner barrel.

Furthermore, a first motor is installed on the left side surface of the mixing barrel, and a power output end of the first motor penetrates into the inner barrel and is connected with the left end of the screw.

Furthermore, a plurality of stirring rods are welded at the lower end of the outer part of the stirring shaft, and the stirring rods and the air nozzles are distributed in a staggered mode.

Furthermore, the upper end of the stirring shaft penetrates into the connecting box, and a plurality of air inlets located in the connecting box are uniformly formed in the upper end of the stirring shaft.

Furthermore, a second motor is installed at the top of the connecting box, and a power output end of the second motor penetrates into the connecting box and is connected with the top of the stirring shaft.

Compared with the prior art, the utility model discloses the beneficial effect who realizes:

by arranging the screening net barrel in the feeding hopper, after materials enter the feeding hopper, the materials are firstly collected in the screening net barrel, then the stirring shaft in the screening net barrel rotates to stir the materials, the stirred materials can be screened, some materials with large particle size are left in the screening net barrel, and materials with small particle size pass through the screening net barrel and fall into the mixing barrel for mixing, so that the materials can be screened before being mixed by the mode;

through setting up the fan on mixing barrel, in the fan can be with the steam extraction in the mixing barrel and discharge the connection box, steam in the connection box is again through spouting in the screening net bucket at the (mixing) shaft, when the material carries out the screening like this, can preheat the material to it is consuming time to shorten the heating of material when mixing, improves mixing efficiency.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention.

Fig. 2 is a partially enlarged schematic view of a portion a of fig. 1 according to the present invention.

Fig. 3 is a partially enlarged view of the point B of fig. 1 according to the present invention.

In FIGS. 1-3: 1-mixing barrel, 2-feed hopper, 3-inner barrel, 4-electric heating element, 5-screw, 6-first motor, 7-fan, 8-screening mesh barrel, 9-feed pipe, 10-discharge pipe, 11-stirring shaft, 1101-air nozzle, 1102-air inlet, 12-stirring rod, 13-connecting box, 14-second motor and 15-electric butterfly valve.

Detailed Description

Please refer to fig. 1 to 3:

the utility model provides a mixing roll for plastic granulation, including mixing roll 1 and feeder hopper 2, feeder hopper 2 welds the leftmost end at mixing roll 1 top, the internal welding of mixing roll 1 has inner tube 3, the outer periphery of inner tube 3 twines has electric heating element 4, the inside rotation of inner tube 3 is connected with screw rod 5 that is used for stirring the material, the top surface fixedly connected with screening net bucket 8 inside feeder hopper 2, the inside rotation of screening net bucket 8 is connected with inside hollow (mixing) shaft 11, the outer periphery of (mixing) shaft 11 has evenly seted up a plurality of air vents 1101 that are located screening net bucket 8, the top welding of feeder hopper 2 has the connecting box 13 that is used for transporting steam to the inside of (mixing) shaft 11, the right-hand member at mixing roll 1 top is installed and is used for transporting fan 7 of steam in connecting box 13;

a feeding pipe 9 penetrating through the feeding hopper 2 is inserted into the upper end of the right side of the screening net barrel 8, a discharging pipe 10 penetrating through the feeding hopper 2 is inserted into the bottom of the screening net barrel 8, an electric butterfly valve 15 positioned right above the discharging pipe 10 is installed at the bottom of the screening net barrel 8, the bottom of the feeding hopper 2 penetrates into the mixing barrel 1 and is inserted into the left end of the top of the inner barrel 3, the feeding hopper 2 is communicated with the inner part of the inner barrel 3, a first motor 6 is installed on the left side surface of the mixing barrel 1, the power output end of the first motor 6 penetrates into the inner barrel 3 and is connected with the left end of the screw 5, a plurality of stirring rods 12 are welded at the lower end of the outer part of the stirring shaft 11, the stirring rods 12 are distributed in a staggered mode with the air outlets 1101, the upper end of the stirring shaft 11 penetrates into the connecting box 13, a plurality of air inlets 1102 positioned in the connecting box 13 are uniformly formed in the upper end of the stirring shaft 11, a second motor 14 is installed at the top of the connecting box 13, and the power output end of the second motor 14 penetrates into the connecting box 13 and is connected with the top of the stirring shaft 11;

according to the above, the materials can be added into the screening mesh barrel 8 through the feeding pipe 9, the second motor 14 can drive the stirring shaft 11 to rotate, the rotating stirring shaft 11 drives the stirring rod 12 to rotate, so that the rotating stirring rod 12 can stir the materials in the screening mesh barrel 8, after the materials are stirred, the screening mesh barrel 8 can screen the materials, the materials with small particle size can pass through the screening mesh barrel 8 and fall into the feeding hopper 2, the materials in the feeding hopper 2 fall into the inner barrel 3, the materials with large particle size can stay in the screening mesh barrel 8, when the electric butterfly valve 15 is opened, the materials with large particle size can be discharged out of the feeding hopper 2 through the discharging pipe 10, so that the materials can be screened before material mixing, the materials with large particle size are prevented from entering the mixing barrel 1, and further the mixing quality is improved;

the electric heating element 4 can heat the inner cylinder 3, meanwhile, the electric heating element 4 can also heat air between the mixing cylinder 1 and the inner cylinder 3, the heated inner cylinder 3 further heats materials in the mixing cylinder, the first motor 6 can drive the screw rod 5 to rotate, the rotating screw rod 5 can stir and mix the materials, and meanwhile, the rotating screw rod 5 pushes the materials to move rightwards and discharge out of the mixing mill;

the inlet end and the exhaust end of fan 7 all peg graft there is the pipeline, the pipeline of inlet end is pegged graft with mixing barrel 1's top, the pipeline of the end of giving vent to anger is pegged graft with the right-hand member of connecting box 13, fan 7 can extract the steam between mixing barrel 1 and the inner tube 3 like this, steam after the extraction is in discharging into connecting box 13 again, steam in the connecting box 13 enters into (mixing) shaft 11 through air inlet 1102 again, steam in the (mixing) shaft 11 is spout through jet 1101 again, then when (mixing) shaft 11 stirs the sieve to the material, stirring shaft 11 can spray steam towards the material, thereby preheat the material, when the material is mixed like this, can shorten material heating consuming time, mixing efficiency is improved, be provided with the filter screen in the jet 1101, can prevent that the material from entering into (mixing) shaft 11, the left end of mixing barrel 1 bottom is seted up porosely, outside air can continuously enter into mixing barrel 1's inside and heat like this.

Claims

1. The utility model provides a mixing roll for plastics granulation, includes mixing barrel (1) and feeder hopper (2), feeder hopper (2) welding is at the leftmost end at mixing barrel (1) top, its characterized in that:

the inside welding of mixing barrel (1) has inner tube (3), the outer periphery winding of inner tube (3) has electric heating element (4), the inside of inner tube (3) is rotated and is connected with screw rod (5) that are used for stirring the material, the inside top surface fixedly connected with screening net bucket (8) of feeder hopper (2), the inside rotation of screening net bucket (8) is connected with inside hollow (mixing) shaft (11), a plurality of air jet (1101) that are located screening net bucket (8) are evenly seted up to the outer periphery of (mixing) shaft (11), the top welding of feeder hopper (2) has connection box (13) that are used for toward the inside defeated steam of (mixing) shaft (11), fan (7) that are used for defeated steam toward connection box (13) are installed to the right-hand member at mixing barrel (1) top.

2. The mixing roll for granulating plastic as claimed in claim 1, wherein: the upper end on screening net bucket (8) right side is pegged graft and is had filling tube (9) that runs through out feeder hopper (2), the bottom of screening net bucket (8) is pegged graft and is had row's material pipe (10) that runs through out feeder hopper (2), electric butterfly valve (15) that are located row material pipe (10) directly over are installed to the bottom of screening net bucket (8).

3. The mixing roll for granulating plastic as claimed in claim 1, wherein: the bottom of the feed hopper (2) penetrates into the mixing barrel (1) and is spliced with the left end of the top of the inner barrel (3), and the feed hopper (2) is communicated with the inside of the inner barrel (3).

4. The mixing roll for granulating plastic as claimed in claim 1, wherein: the left side surface of the mixing barrel (1) is provided with a first motor (6), and the power output end of the first motor (6) penetrates into the inner barrel (3) and is connected with the left end of the screw (5).

5. The mixing roll for granulating plastic as claimed in claim 1, wherein: the outer lower end of the stirring shaft (11) is welded with a plurality of stirring rods (12), and the stirring rods (12) and the air nozzles (1101) are distributed in a staggered mode.

6. The mixing roll for granulating plastic as claimed in claim 1, wherein: the upper end of the stirring shaft (11) penetrates into the connecting box (13), and a plurality of air inlets (1102) located in the connecting box (13) are uniformly formed in the upper end of the stirring shaft (11).

7. The mixing roll for granulating plastic as claimed in claim 6, wherein: and a second motor (14) is installed at the top of the connecting box (13), and the power output end of the second motor (14) penetrates into the connecting box (13) and is connected with the top of the stirring shaft (11).