CN216760768U

CN216760768U - Plastic granules heats melting and removes bubble device

Info

Publication number: CN216760768U
Application number: CN202220403014.8U
Authority: CN
Inventors: 刘金光; 蒋永健; 凌凯; 刘冠军
Original assignee: Shandong Golden Sunshine Industry Co ltd
Current assignee: Shandong Golden Sunshine Industry Co ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-06-17
Anticipated expiration: 2032-02-25

Abstract

The utility model discloses a device for removing bubbles by heating and melting plastic particles, which belongs to the technical field of plastic processing and comprises a plurality of stages of heating and melting assemblies which are sequentially connected, wherein each heating and melting assembly comprises a cylinder body, a box body is sleeved on the periphery of the cylinder body, and a heating element is arranged in the box body; the vacuum pump is characterized in that a rotating shaft is arranged in the barrel along the axial direction of the barrel, a plurality of fan-shaped plates are arranged on the periphery of the rotating shaft along the circumferential direction of the rotating shaft, a plurality of air pumping ports are arranged at the top of the barrel, and the air pumping ports are connected with a vacuumizing device through air pumping pipelines.

Description

Plastic granules heats melting and removes bubble device

Technical Field

The utility model belongs to the technical field of plastic processing, and particularly relates to a device for heating and melting plastic particles to remove bubbles.

Background

The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.

The aluminum-plastic plate is a composite material which is processed by aluminum plates after chemical treatment as surface layer materials and polyethylene plastics as core materials in aluminum-plastic plate production equipment. In the production process of the aluminum-plastic plate, plastic particles need to be hot-melted and then a core material needs to be extruded.

The plastic particles are generally transparent crystals, and bubbles are easily generated in the heating and melting process, and if the plastic core material is extruded by adopting a molten material with bubbles, the quality of the core material and the aluminum-plastic plate can be directly influenced, the texture uniformity of the aluminum-plastic plate core material is influenced, the stability of the mechanical property of the aluminum-plastic plate core material is further influenced, and the like, so that the plastic core material cannot meet the working requirement.

At present, the inventor finds that in the plastic particle hot melting process, modes such as manual defoaming or defoaming agent adding are generally adopted, the efficiency of the manual defoaming mode is low, the adding uniformity of the defoaming agent cannot be guaranteed by the defoaming agent adding mode, the bubble removing effect cannot be guaranteed, the defoaming agent needs reaction time, and the defoaming efficiency is still not high.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a plastic particle heating, melting and bubble removing device, which drives a fan-shaped plate to shear and stir a molten material by rotating a rotating shaft, so that bubbles are upwards discharged and gathered at the top of a cylinder body and are pumped out by a vacuumizing device.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the utility model provides a device for heating, melting and removing bubbles from plastic particles, which comprises a plurality of stages of heating and melting assemblies which are sequentially connected, wherein each heating and melting assembly comprises a cylinder body, a box body is sleeved on the periphery of the cylinder body, and a heating element is arranged in the box body; the vacuum pump is characterized in that a rotating shaft is arranged in the barrel along the axial direction of the barrel, a plurality of fan-shaped plates are arranged on the periphery of the rotating shaft along the circumferential direction of the rotating shaft, a plurality of air pumping ports are arranged at the top of the barrel, and the air pumping ports are connected with a vacuumizing device through air pumping pipelines.

As a further technical scheme, a plurality of sector plates are arranged along the whole length of the periphery of the rotating shaft, and the sector plates are arranged on the periphery of the rotating shaft in a staggered mode.

As a further technical scheme, the rotating shaft is arranged in the middle of the cylinder, and the plurality of fan-shaped plates are spirally distributed on the periphery of the rotating shaft.

As a further technical scheme, the sector plates are obliquely arranged, and the plate surfaces of the sector plates and the axis of the rotating shaft form an acute angle.

As a further technical scheme, a plurality of extraction openings are arranged at the top of the cylinder body at intervals and uniformly.

As a further technical scheme, the periphery of the rotating shaft is also fixedly provided with a rod body, and the rod body and the axis of the rotating shaft are vertically arranged.

As a further technical scheme, the rod body is arranged between the sector plates.

As a further technical scheme, an interlayer is formed between the box body and the cylinder body, and the heating element is arranged in the interlayer between the cylinder body and the box body.

As a further technical scheme, the cylinder bodies are arranged along the horizontal direction, the cylinder bodies of the adjacent heating and melting assemblies are fixedly connected, and the hollow spaces in the cylinder bodies are communicated.

As a further technical scheme, flanges are fixedly arranged at two ends of each barrel, the flanges of adjacent barrels are fixedly connected, and a sealing structure is arranged at the joint of the flanges.

The beneficial effects of the utility model are as follows:

according to the bubble removing device, the rotating shaft is arranged in the cylinder, the rotating shaft rotates to drive the fan-shaped plate to shear and stir a molten material, so that bubbles are upwards discharged and gathered at the top of the cylinder and are extracted by the vacuumizing device, an active exhaust mode is adopted, the bubbles are continuously sheared in the material heating process, the bubbles are easily discharged, the bubble discharging effect is greatly improved, and the bubble removing efficiency is further improved.

The bubble removing device adopts the multistage heating and melting assemblies which are sequentially connected, so that the plastic particles can be gradually heated and melted in multistage after entering the multistage heating and melting assemblies, the melting effect of the plastic particles can be further enhanced by the stirring action of the fan-shaped plate, meanwhile, the plastic particles are continuously sheared by the fan-shaped plate in the process of heating and melting in stage by stage, bubbles can be continuously discharged, and the bubble removing effect is ensured.

According to the bubble removing device, the fan-shaped plates are arranged on the periphery of the rotating shaft, the contact area between the fan-shaped plates and materials is larger, and the fan-shaped plates are arranged in a spiral mode, so that the effect of auxiliary conveying can be achieved in the material heating process.

According to the bubble removing device, the rod body is fixedly arranged on the periphery of the rotating shaft and is vertical to the axis of the rotating shaft, and the rod body can play a role in stirring materials in the rotating process of the rotating shaft, so that bubbles in the molten materials can be discharged more conveniently.

Drawings

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

FIG. 1 is a schematic view of a bubble removal apparatus according to one or more embodiments of the present invention;

FIG. 2 is a schematic view of an internal arrangement of a thermal melting assembly according to one or more embodiments of the present invention;

FIG. 3 is a side view of a sector plate disposed within a barrel according to one or more embodiments of the present invention;

in the figure: the mutual spacing or size is exaggerated to show the position of each part, and the schematic diagram is only used for illustration;

the device comprises a barrel body 1, a box body 2, a heating element 3, a flange 4, a rotating shaft 5, a sector plate 6, an air exhaust pipeline 7, a vacuum pumping device 8, a rod body 9 and a melting assembly 10.

Detailed Description

It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the utility model as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

In a typical embodiment of the present invention, as shown in fig. 1, a plastic particle heating, melting and bubble removing device includes a multi-stage heating and melting assembly 10, which is connected in sequence to gradually heat and melt plastic particles fed into the multi-stage heating and melting assembly, so as to ensure the melting effect of the plastic particles.

Wherein, the heating melts the subassembly and includes barrel 1, and 1 periphery cover of barrel establishes box 2, forms the intermediate layer between box 2 and the barrel 1, sets up heating element 3 in the intermediate layer between barrel 1 and box 2, puts into wherein plastic granules in the barrel 1, and heating element work heats the barrel, and then melts plastic granules wherein.

In alternative embodiments, the heating element 3 may be a heating rod, an electric heating tube, a ceramic heater, etc., as long as the heating of the cylinder is achieved, and the plastic particles can be heated and melted, which is not limited herein.

Barrel 1 arranges along the horizontal direction, and adjacent heating melts fixed connection between the barrel 1 of subassembly, and the inside hollow space of barrel 1 is linked together, and plastic granules is heated step by step and is melted at the in-process of barrel internal motion, guarantees that plastic granules's demand melts the effect.

In the embodiment, flanges 4 are fixedly arranged at two ends of the cylinder body, and the flanges 4 of adjacent cylinder bodies are fixedly connected, so that the connecting effect of the cylinder bodies is ensured; and a sealing structure is arranged at the flange joint to seal the gap connected between the cylinder bodies.

One end of the multistage heating and melting assembly is a feeding end, an opening is formed in the top or the side of the cylinder body 1, and plastic particle materials are added into the opening; the other end of the multistage heating and melting assembly is a discharge end, an opening can be formed in the bottom or the side of the cylinder, and the molten material flows out of the opening of the discharge end to enter the next working procedure.

The tip that the subassembly was melted in the heating of feed end carries out the shutoff, and the tip that the subassembly was melted in the heating of discharge end can set up the filter screen and filter the material that flows.

The barrel 1 is internally provided with a rotating shaft 5 along the axial direction, the periphery of the rotating shaft 5 is provided with a plurality of fan-shaped plates 6 along the circumferential direction, the plurality of fan-shaped plates 6 are arranged along the whole length of the periphery of the rotating shaft 5, and the fan-shaped plates 6 are arranged at the periphery of the rotating shaft 5 in a staggered manner.

The rotating shaft 5 extends to the outside of the cylinder 1, and is connected with a power device (which can be a motor) and is driven by the power device to rotate.

During the rotation of the rotating shaft, the sector plate can shear and stir the melted plastic particles, thereby promoting the bubbles in the molten material to be upwards discharged and gathered at the top of the cylinder body.

In this scheme, pivot 5 sets up at the middle part of barrel 1, and a plurality of sector plates 6 are laid with the spiral form in 5 peripheries of pivot, as shown in fig. 3, and a plurality of sector plates can assist when the pivot drives the rotation to carry melting the material to discharge at the discharge end of barrel.

In preferred embodiment, the sector plate 6 slope sets up, and the face of sector plate 6 and the axis of pivot are certain contained angle promptly, and this contained angle is the acute angle to the increase is at the pivoted in-process shearing force to the material of pivot, and the stirring effect to the material obtains promoting.

The top of the barrel body 1 is provided with a plurality of pumping holes, the pumping holes are connected with a vacuumizing device 8 through a pumping pipeline 7, and the vacuumizing device pumps gas gathered at the top of the barrel body after stirring out of the barrel body, so that the quality of plastic finished products is ensured.

In an optional embodiment, a plurality of extraction openings are arranged at intervals and evenly distributed on the top of the cylinder body.

In a preferred embodiment, a rod body 9 is fixedly arranged on the periphery of the rotating shaft 5, and the rod body 9 is perpendicular to the axis of the rotating shaft.

The body of rod 9 sets up between sector plate 6, and the body of rod and sector plate can not take place mutual interference at the rotation in-process, and the pivot rotates and drives sector plate and the body of rod and cut the material, promotes the discharge of bubble.

The working principle of the device is as follows:

plastic particles are added into the cylinder body from the feeding end of the heating and melting assembly, and a heating element in the box body works to heat and melt the plastic particles in the cylinder body;

after heating for a period of time, rotating the rotating shaft to drive the sector plate and the rod body to shear the molten material in the cylinder body, stirring the material, and discharging bubbles in the molten material upwards to gather at the top of the cylinder body;

the gas collected at the top of the cylinder is pumped out of the cylinder by a vacuum pumping device.

Other matters in the scheme are not the best, the prior art is adopted, and the details are not repeated.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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

1. A device for heating, melting and removing bubbles from plastic particles is characterized by comprising a multistage heating and melting assembly which is sequentially connected, wherein the heating and melting assembly comprises a cylinder body, a box body is sleeved on the periphery of the cylinder body, and a heating element is arranged in the box body; the vacuum pump is characterized in that a rotating shaft is arranged in the barrel along the axial direction of the barrel, a plurality of fan-shaped plates are arranged on the periphery of the rotating shaft along the circumferential direction of the rotating shaft, a plurality of air pumping ports are arranged at the top of the barrel, and the air pumping ports are connected with a vacuumizing device through air pumping pipelines.

2. The apparatus for removing bubbles by heating and melting plastic granules as claimed in claim 1, wherein a plurality of sector plates are provided along the entire length of the outer periphery of the rotating shaft, and the sector plates are provided at the outer periphery of the rotating shaft in a staggered arrangement.

3. The apparatus for removing bubbles by heating and melting plastic granules as claimed in claim 2, wherein the rotary shaft is provided at the center of the cylinder, and a plurality of sector plates are arranged in a spiral form at the periphery of the rotary shaft.

4. The apparatus for removing bubbles by heating and melting plastic granules as claimed in claim 1, wherein the sector plate is disposed obliquely, and the plate surface of the sector plate and the axis of the rotating shaft form an acute angle.

5. The apparatus for removing bubbles by heating and melting plastic granules as claimed in claim 1, wherein a plurality of air extraction ports are arranged at intervals and uniformly at the top of the cylinder.

6. The apparatus for heating and melting plastic granules to remove bubbles as claimed in claim 1, wherein a rod is further fixedly disposed on the outer periphery of the rotating shaft, and the rod is disposed perpendicular to the axis of the rotating shaft.

7. The apparatus for removing bubbles by heating and melting plastic granules as claimed in claim 6, wherein the rod body is disposed between the sector plates.

8. The apparatus for melting plastic granules by heating to remove bubbles as claimed in claim 1, wherein an interlayer is formed between the casing and the cylinder, and the heating element is disposed in the interlayer between the cylinder and the casing.

9. The apparatus for removing bubbles by heating and melting plastic granules as claimed in claim 1, wherein the cylindrical bodies are arranged in a horizontal direction, the cylindrical bodies of adjacent heating and melting units are fixedly connected, and the hollow spaces inside the cylindrical bodies are communicated.

10. The apparatus for removing bubbles by heating and melting plastic granules as claimed in claim 9, wherein flanges are fixedly provided at both ends of the cylinder, the flanges of adjacent cylinders are fixedly connected, and a sealing structure is provided at the flange connection.