CN216329306U

CN216329306U - PP compounding device

Info

Publication number: CN216329306U
Application number: CN202122959637.1U
Authority: CN
Inventors: 莫小平; 龙雪艳; 田超
Original assignee: Wuxi Teisi New Material Technology Co ltd
Current assignee: Wuxi Teisi New Material Technology Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-04-19
Anticipated expiration: 2031-11-29

Abstract

The utility model discloses a PP (polypropylene) mixing device which comprises a support frame, a mixing cylinder, a stirring assembly and a feeding assembly, wherein the upper end of the mixing cylinder is provided with a feeding hole, and the side wall of the mixing cylinder is provided with a discharging hole; the stirring assembly comprises a motor arranged at the bottom of the mixing barrel, a stirring shaft arranged in the mixing barrel and connected with the motor, and stirring blades arranged on the stirring shaft; the material loading subassembly includes feed cylinder and homogenizing plate, the material loading mouth has been seted up to the upper end of feed cylinder, and its lower extreme and the feed inlet intercommunication of compounding section of thick bamboo, the homogenizing plate sets up the bottom at the feed cylinder, be provided with on the homogenizing plate with the arch of axle center with the feed cylinder and lead to the silo around the annular that the arch was seted up. The influence of human factors can be reduced, and the uniformity of mixed materials is ensured.

Description

PP compounding device

Technical Field

The utility model relates to the field of material mixing, in particular to a PP (polypropylene) mixing device.

Background

In the preparation process of the PP film, a plurality of PP (polypropylene) granules are required to be uniformly mixed before being added into a screw extruder. In the prior art, the mixing of material is generally accomplished through the agitator, and in order to guarantee better mixability, after the major ingredient adds, the auxiliary material needs manual control rate of addition when adding, because the uncontrollable nature of human factor, the compounding homogeneity hardly obtains guaranteeing.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a PP mixing device which can reduce the influence of human factors and ensure the uniformity of mixed materials.

In order to solve the problems, the technical scheme adopted by the utility model is as follows:

a PP mixing device comprises a support frame, a mixing barrel, a stirring assembly and a feeding assembly, wherein a feeding hole is formed in the upper end of the mixing barrel, and a discharging hole is formed in the side wall of the mixing barrel; the stirring assembly comprises a motor arranged at the bottom of the mixing barrel, a stirring shaft arranged in the mixing barrel and connected with the motor, and stirring blades arranged on the stirring shaft; the material loading subassembly includes feed cylinder and homogenizing plate, the material loading mouth has been seted up to the upper end of feed cylinder, and its lower extreme and the feed inlet intercommunication of compounding section of thick bamboo, the homogenizing plate sets up the bottom at the feed cylinder, be provided with on the homogenizing plate with the arch of axle center with the feed cylinder and lead to the silo around the annular that the arch was seted up.

Preferably, the diameter of the feed inlet is smaller than that of the homogenizing plate.

Preferably, the diameter of the upper charging barrel is gradually reduced from top to bottom.

Preferably, the diameter of the upper end surface of the refining plate is larger than that of the lower end surface of the refining plate.

Preferably, the protrusions are hemispherical or conical.

Preferably, the cross section of the material passing groove is trapezoidal, and the width of the material passing groove is gradually enlarged from top to bottom.

Preferably, an air outlet is further formed in the upper portion of the mixing barrel, and a filtering plate is arranged at the air outlet.

Preferably, the mixing cylinder comprises a stirring part and a collection part connected below the stirring part, the inner diameter of the collection part is gradually reduced from top to bottom, and the discharge port is formed in the collection part and is close to the bottom wall.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, after the main materials are added into the mixing barrel, the motor is started to stir, meanwhile, the auxiliary materials are poured into the feeding barrel, the auxiliary materials are uniformly scattered into the mixing barrel through the annular through groove, the rapid mixing process is completed under the stirring action of the stirring blades 33, meanwhile, the protrusions are beneficial to the auxiliary material particles to flow to the through groove, the materials are prevented from being stacked at the bottom of the feeding barrel, the auxiliary materials cannot fall on the stirring shaft due to the existence of the protrusions, the auxiliary materials are prevented from being stacked at the stirring shaft, the mixing of the materials is more facilitated, the influence of human factors is reduced through the arrangement of the feeding assembly, and the uniformity of the mixed materials is ensured.

Drawings

FIG. 1 is a schematic structural view of a PP mixing device in a preferred embodiment of the utility model;

FIG. 2 is a cross-sectional view of the PP compounding device of FIG. 1;

wherein, 1 is a support frame, 21 is a stirring part, 22 is a collecting part, 23 is a discharge hole, 24 is an air outlet, 25 is a filter plate, 3 is a stirring component, 31 is a motor, 32 is a stirring shaft, 33 is a stirring blade, 4 is a feeding component, 41 is a feeding barrel, 411 is a feeding hole, 42 is a homogenizing plate, 421 is a bulge and 422 is a feed channel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 and 2, a PP mixing device in a preferred embodiment of the present invention comprises a support frame 1, a mixing cylinder, a stirring assembly 3 and a feeding assembly 4, wherein a feeding port is arranged at the upper end of the mixing cylinder, and a discharging port 23 is arranged on the side wall of the mixing cylinder; the stirring assembly 3 comprises a motor 31 arranged at the bottom of the mixing barrel, a stirring shaft 32 arranged in the mixing barrel and connected with the motor 31, and a stirring blade 33 arranged on the stirring shaft 32; the feeding assembly 4 comprises a feeding barrel 41 and a refining plate 42, a feeding port 411 is arranged at the upper end of the feeding barrel 41, the lower end of the feeding port is communicated with a feeding hole of a mixing barrel, the refining plate 42 is arranged at the bottom of the feeding barrel 41, and a protrusion 421 coaxial with the feeding barrel 41 and an annular through groove 422 arranged around the protrusion 421 are arranged on the refining plate 42. According to the utility model, after main materials are added into the mixing barrel, the motor is started to stir, meanwhile, the auxiliary materials are poured into the feeding barrel 41, the auxiliary materials are uniformly scattered into the mixing barrel through the annular through groove 422, the rapid mixing process is completed under the stirring action of the stirring blades 33, meanwhile, the protrusions 421 are beneficial to auxiliary material particles flowing to the through groove 422, the materials are prevented from being accumulated at the bottom of the feeding barrel 41, the auxiliary materials cannot fall on the stirring shaft 32 due to the existence of the protrusions 421, the accumulation of the auxiliary materials at the stirring shaft is avoided, the mixing of the materials is further facilitated, the influence of human factors is reduced through the arrangement of the feeding assembly 4, and the uniformity of the mixed materials is ensured.

Specifically, in order to prevent the homogenizing plate 42 from falling into the mixing bowl from the feed inlet, the diameter of the feed inlet is slightly smaller than that of the homogenizing plate 42. The homogenizing plate 42 is movably connected with the feeding barrel 41, and when main materials need to be put in, the homogenizing plate 42 can be taken out, so that quick feeding is facilitated.

Specifically, for controlling means overall height, provide the support for refining plate 42 simultaneously, the diameter of going up feed cylinder 41 reduces gradually from the top down, is the trapezium structure, and the material is thrown into and is gone up the feed cylinder 41 back, under protruding 421 are supplementary, forms great downforce in logical silo 422 department, the feeding and the diffusion of the auxiliary material of being convenient for.

Specifically, in order to ensure the engagement of the material homogenizing plate 42 with the upper barrel 41, the diameter of the upper end surface is larger than that of the lower end surface.

Specifically, the protrusions 421 are semi-spherical or conical in shape to facilitate guiding the material toward the periphery.

Specifically, in order to facilitate the diffusion range of the material and ensure the uniformity during feeding, the cross section of the material passing groove 422 is trapezoidal, and the width of the material passing groove 422 is gradually enlarged from top to bottom.

Specifically, in order to discharge dust gas in the mixing cylinder in time, a gas outlet 24 is further formed above the mixing cylinder, and a filter plate 25 is arranged at the gas outlet 24 and used for filtering auxiliary material particles.

Specifically, for the discharge of the material after the for the convenience of mixing, mixing barrel includes stirring portion 21 and the portion of collecting 22 of connection in the stirring portion 21 below, and the internal diameter of portion of collecting 22 reduces gradually from the top down, and discharge gate 23 sets up and is close to diapire department in portion of collecting 22, under the stirring effect of stirring leaf 33, easily realizes the discharge of material.

According to the utility model, after main materials are added into the mixing barrel, the motor is started to stir, meanwhile, the auxiliary materials are poured into the feeding barrel 41, the auxiliary materials are uniformly scattered into the mixing barrel through the annular through groove 422, the rapid mixing process is completed under the stirring action of the stirring blades 33, meanwhile, the protrusions 421 are beneficial to auxiliary material particles flowing to the through groove 422, the materials are prevented from being accumulated at the bottom of the feeding barrel 41, the auxiliary materials cannot fall on the stirring shaft 32 due to the existence of the protrusions 421, the accumulation of the auxiliary materials at the stirring shaft is avoided, the mixing of the materials is further facilitated, the influence of human factors is reduced through the arrangement of the feeding assembly 4, and the uniformity of the mixed materials is ensured.

It will be apparent to those skilled in the art that various other changes and modifications can be made in the above embodiments and concepts, for example, the dimensions can be changed to suit the charging of the tablet pc, and all such changes and modifications are intended to fall within the scope of the appended claims.

Claims

1. The PP mixing device is characterized by comprising a support frame, a mixing cylinder, a stirring assembly and a feeding assembly, wherein a feeding hole is formed in the upper end of the mixing cylinder, and a discharging hole is formed in the side wall of the mixing cylinder; the stirring assembly comprises a motor arranged at the bottom of the mixing barrel, a stirring shaft arranged in the mixing barrel and connected with the motor, and stirring blades arranged on the stirring shaft; the material loading subassembly includes feed cylinder and homogenizing plate, the material loading mouth has been seted up to the upper end of feed cylinder, and its lower extreme and the feed inlet intercommunication of compounding section of thick bamboo, the homogenizing plate sets up the bottom at the feed cylinder, be provided with on the homogenizing plate with the arch of axle center with the feed cylinder and lead to the silo around the annular that the arch was seted up.

2. A PP mixing device as in claim 1, characterized in that the diameter of said feed opening is smaller than the diameter of the homogenizing plate.

3. A PP mixing device as in claim 2, characterized in that the diameter of the upper barrel is gradually reduced from top to bottom.

4. A PP mixing device as in claim 3, characterized in that the diameter of the upper end surface of the refining plate is larger than the diameter of the lower end surface.

5. A PP mixing device as in claim 1, wherein said protrusions are hemispherical or conical.

6. The PP mixing device as claimed in claim 1, wherein the cross section of the material passing groove is trapezoidal, and the width of the material passing groove gradually increases from top to bottom.

7. The PP mixing device as claimed in claim 1, wherein an air outlet is further arranged above the mixing cylinder, and a filter plate is arranged at the air outlet.

8. A PP mixing device according to any one of claims 1 to 7, wherein the mixing cylinder comprises a stirring part and a collecting part connected below the stirring part, the inner diameter of the collecting part is gradually reduced from top to bottom, and the discharge port is arranged at a position, close to the bottom wall, of the collecting part.