CN216267527U - Screw heating type plastic extruder - Google Patents
Screw heating type plastic extruder Download PDFInfo
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- CN216267527U CN216267527U CN202121908092.5U CN202121908092U CN216267527U CN 216267527 U CN216267527 U CN 216267527U CN 202121908092 U CN202121908092 U CN 202121908092U CN 216267527 U CN216267527 U CN 216267527U
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- screw
- extrusion rod
- plastic extruder
- support
- rotating motor
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Abstract
The utility model discloses a screw heating type plastic extruder which comprises a charging barrel, a spiral extrusion rod and a support, wherein the charging barrel is arranged on the support, the spiral extrusion rod is arranged in the charging barrel, one end of the spiral extrusion rod penetrates out of the charging barrel and is connected with an output shaft of a first rotating motor, and the first rotating motor is fixedly arranged on the outer side wall of the charging barrel; the screw extrusion rod body is hollow, and its other end is fixed in through first bearing on the opposite side lateral wall of feed cylinder, screw extrusion rod internally mounted has the electrical heating stick, the electrical heating stick other end is installed and is set up on the second bearing that sets up on the inboard pipe wall that the screw extrusion rod is located first bearing one side, the electrical heating stick is connected with electric heater unit. According to the utility model, the spiral extrusion rod is continuously heated by the electric heating rod, so that the materials can be mixed more uniformly, and the plastic can be heated and melted, so that the heating is more uniform, the plasticizing effect is better, and the production efficiency is improved.
Description
Technical Field
The utility model relates to plastic production equipment, in particular to a screw heating type plastic extruder, and belongs to the technical field of plastic preparation.
Background
At present, in the field of processing of polymer materials, plastic extruders are widely applied to processing and manufacturing of films, pipes, profiles, foamed products and polymer composite materials. A single screw extruder is one of the more common types of plastic extruders. The single screw extruder is mainly used for extruding soft and hard polyvinyl chloride, polyethylene and other thermoplastic plastics, can be used for processing various plastic products, such as blown film, extruded tube, press plate, wire drawing belt and the like, and can also be used for melt granulation. The plastic extruder has advanced design, high quality, good plasticization, low energy consumption, and low noise, stable operation, large bearing capacity, long service life and other features.
However, the modern plastic extruder still has defects, such as uneven melt mixing, slow plastic melting speed, poor plasticizing effect and low production efficiency, which cause economic loss to factories, and the modern extruder has poor heat preservation effect of a charging barrel, which easily causes the temperature of a working environment to rise, and causes waste of energy due to too fast temperature emission, and further reduces the melting speed of the plastic.
To this end, the person skilled in the art has proposed a new type of plastic extruder, which addresses the problems set forth in the background above.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a screw heating type plastic extruder.
In order to achieve the purpose, the utility model provides the following technical scheme:
a screw heating type plastic extruder comprises a charging barrel, a spiral extrusion rod and a support, wherein the charging barrel is arranged on the support, the spiral extrusion rod is arranged in the charging barrel, one end of the spiral extrusion rod penetrates out of the charging barrel and is connected with an output shaft of a first rotating motor, and the first rotating motor is fixedly arranged on the outer side wall of the charging barrel; the screw extrusion rod body is hollow, and its other end is fixed in through first bearing on the opposite side lateral wall of feed cylinder, screw extrusion rod internally mounted has the electrical heating stick, the electrical heating stick other end is installed and is set up on the second bearing that sets up on the inboard pipe wall that the screw extrusion rod is located first bearing one side, the electrical heating stick is connected with electric heater unit.
In a preferred embodiment of the present invention, the screw-extruded rod is made of copper or a copper alloy.
As the preferable arrangement of the charging barrel, the charging barrel comprises a stainless steel heat conduction layer, and a heat preservation insulation layer, a stainless steel outer layer, a heat insulation cotton layer and a stainless steel shell are sequentially arranged on the outer side of the stainless steel heat conduction layer.
As a preferable arrangement of the utility model, a feeding bin body is connected with one end of the barrel body close to the first rotating motor, and an extrusion opening is arranged at the lower part of the other end of the barrel body.
As a preferable arrangement of the utility model, the top of the feeding bin body is provided with a second rotating motor, a plurality of feeding holes are arrayed around the second rotating motor, the output shaft of the second rotating motor is connected with a rotating shaft positioned in the feeding bin body, and the rotating shaft is provided with three groups of crushing blades.
As a preferred arrangement of the utility model, the pitch of the screw extrusion rod decreases progressively from the end of the first rotating motor to the other end.
As the preferred arrangement of the utility model, the bracket is fixedly connected with the charging barrel through a supporting leg, a bottom plate is arranged below the bracket, and a spring damping seat is arranged between the bracket and the bottom plate; the upper end four corners fixedly connected with stand of bottom plate, the support cover is established on the stand, and the cover is equipped with damping spring on the stand, and the fixed threaded connection in top of stand has lock nut.
The utility model has the following beneficial effects:
1. the spiral extrusion rod is internally provided with the electric heating rod, the electric heating rod can be continuously heated in the material extrusion process, the spiral extrusion rod is made of copper or copper alloy, the heat conductivity is good, the materials can be stirred to be more uniformly mixed in the material conveying and extrusion processes, and the plastic can be heated and melted to ensure that the heating effect is more uniform, the plasticizing effect is better, and the production efficiency is improved;
2. the heat insulation layer and the heat insulation cotton layer arranged on the charging barrel can greatly play a role in heat insulation, so that the temperature rise of a working environment is prevented, and energy can be saved;
3. according to the utility model, the crushing blade is driven to rotate by the second rotating motor, so that large-particle substances in the raw materials are effectively crushed, and the crushed and dispersed raw materials can be effectively crushed and dispersed when the raw materials are hardened due to moisture, so that pipeline blockage in the conveying process is avoided;
4. according to the utility model, the damping spring sleeved on the upright post and the damping spring seat arranged between the support and the bottom plate can reduce the vibration generated when the device works.
Drawings
FIG. 1 is a schematic view of a screw heating type plastic extruder;
FIG. 2 is a schematic view of the structure of a barrel of a screw heating type plastic extruder.
1-a charging barrel;
2-screw extrusion of the rod;
3-a first rotating electrical machine;
4-a first bearing;
5-an electric heating rod;
6-a second bearing;
7-an electric heating device;
8-stainless steel heat conducting layer;
9-insulating layer of heat preservation;
10-stainless steel outer layer;
11-a layer of thermally insulating cotton;
12-stainless steel housing;
13-a feed bin body;
14-an extrusion opening;
15-a second rotating electrical machine;
16-a feed inlet;
17-a rotating shaft;
18-a crushing blade;
19-a scaffold;
20-support legs;
21-a bottom plate;
22-spring damper;
23-a damping spring;
24-locking nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, an embodiment of the present invention provides a screw heating type plastic extruder, including a material cylinder 1, a spiral extrusion rod 2 and a support 19, wherein the material cylinder 1 is mounted on the support 19, the spiral extrusion rod 2 is disposed in the material cylinder 1, one end of the spiral extrusion rod 2 penetrates through the material cylinder 1 and is connected to an output shaft of a first rotating motor 3, and the first rotating motor 3 is fixedly mounted on an outer side wall of the material cylinder 1; the body of the spiral extrusion rod 2 is a hollow rod, the other end of the spiral extrusion rod is fixed on the side wall of the other side of the charging barrel 1 through the first bearing 4, an electric heating rod 5 is arranged inside the spiral extrusion rod 2, the other end of the electric heating rod 5 is arranged on a second bearing 6 arranged on the inner side wall of the spiral extrusion rod 2 on one side of the first bearing 4, and the electric heating rod 5 is connected with an electric heating device 7.
As a preferable configuration of the embodiment of the present invention, the material of the screw extrusion rod 2 is copper or a copper alloy.
Through adopting above-mentioned technical scheme, at spiral extrusion pole 2 built-in electric heating rod 5, in the material extrusion process, electric heater unit 7 can continuously heat the electric heating rod, adopt copper or copper alloy preparation spiral extrusion pole 2, the heat conductivity is good, carry at the material, can stir the material on the one hand and make its mix more even among the extrusion process, on the other hand can add the heat fusion to plastics, make the heating effect more even, make the plastify effect better, improve production efficiency.
As a preferable arrangement of the embodiment of the present invention, further, the cartridge 1 includes a stainless steel heat conduction layer 8, and a heat insulation layer 9, a stainless steel outer layer 10, a heat insulation cotton layer 11 and a stainless steel outer shell 12 are sequentially disposed outside the stainless steel heat conduction layer 8.
Through adopting above-mentioned technical scheme, the thermal-insulated heat retaining effect of playing that thermal-insulated insulating layer 9 and thermal-insulated cotton layer 11 that set up on feed cylinder 1 can be very big has not only prevented operational environment's temperature rising, can the energy saving simultaneously.
As a preferable arrangement of the embodiment of the present invention, a feeding bin body 13 is connected to one end of the barrel 1 close to the first rotating motor 3, and an extrusion port 14 is arranged at the lower part of the other end.
As a preferable arrangement of the embodiment of the present invention, further, a second rotating motor 15 is disposed at the top of the feeding bin body 13, a plurality of feeding ports 16 are arrayed around the second rotating motor 15, an output shaft of the second rotating motor 15 is connected to a rotating shaft 17 located in the feeding bin body 13, and three sets of crushing blades 18 are disposed on the rotating shaft 17.
Through adopting above-mentioned technical scheme, from feed inlet 16 material loading in-process, drive through second rotating electrical machines 15 and smash 18 rotations of blade, effectively smash the large granule material in the raw materials, can effectively smash dispersion treatment to the knot raw materials simultaneously when leading to hardening because of the raw materials is moist, avoid can causing the pipeline to block up in transportation process.
As a preferable arrangement of the embodiment of the present invention, further, the pitch of the screw extrusion rod 2 is gradually decreased from the end of the first rotating electric machine 3 to the other end.
Through adopting above-mentioned technical scheme, rely on rotatory produced pressure and the shearing force of spiral extrusion pole 2 when the extrusion material, can make the material can fully carry out plastify and homogeneous mixing, pitch reduces gradually simultaneously and arranges, just can carry out the material by the extrusion of elasticity to tightness when defeated material, pressure increase when extruding, conveniently extrude.
As a preferable arrangement of the embodiment of the present invention, further, the bracket 19 is fixedly connected with the charging barrel 1 through a supporting leg 20, a bottom plate 21 is arranged below the bracket 19, and a spring shock-absorbing seat 22 is arranged between the bracket 19 and the bottom plate 21; the upper end four corners of bottom plate 21 department fixedly connected with stand 22, support 19 cover are established on stand 22, and the cover is equipped with damping spring 23 on the stand 22, and the top fixed thread of stand is connected with lock nut 24.
By adopting the technical scheme, the shock absorption spring 23 sleeved on the upright post 22 and the shock absorption spring seat 22 arranged between the support 19 and the bottom plate 21 can reduce the shock generated during the operation of the device.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the utility model and form different embodiments. For example, in the claims above, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Claims (7)
1. A screw heating type plastic extruder comprises a charging barrel, a spiral extrusion rod and a support, wherein the charging barrel is arranged on the support; the screw extrusion rod body is hollow, and its other end is fixed in through first bearing on the opposite side lateral wall of feed cylinder, screw extrusion rod internally mounted has the electrical heating stick, the electrical heating stick other end is installed and is set up on the second bearing that sets up on the inboard pipe wall that the screw extrusion rod is located first bearing one side, the electrical heating stick is connected with electric heater unit.
2. The screw-heated plastic extruder of claim 1, wherein the screw-extrusion rod is made of copper or a copper alloy.
3. The screw heating type plastic extruder according to claim 1, wherein the barrel comprises a stainless steel heat conduction layer, and a heat insulation layer, a stainless steel outer layer, a heat insulation cotton layer and a stainless steel outer shell are sequentially arranged on the outer side of the stainless steel heat conduction layer.
4. The screw heating type plastic extruder as claimed in claim 1, wherein a feeding bin body is connected to one end of the barrel close to the first rotating motor, and an extrusion port is provided at the lower part of the other end.
5. The screw heating type plastic extruder as claimed in claim 4, wherein the top of the feeding bin body is provided with a second rotating motor, a plurality of feeding ports are arranged around the second rotating motor, the output shaft of the second rotating motor is connected with a rotating shaft in the feeding bin body, and the rotating shaft is provided with three groups of crushing blades.
6. The screw-heated plastic extruder of claim 1, wherein the screw-extrusion stem pitch decreases from the end of the first rotating motor to the other end.
7. The screw heating type plastic extruder according to claim 1, wherein the support is fixedly connected with the barrel through a support leg, a bottom plate is arranged below the support, and a spring shock-absorbing seat is arranged between the support and the bottom plate; the upper end four corners fixedly connected with stand of bottom plate, the support cover is established on the stand, and the cover is equipped with damping spring on the stand, and the fixed threaded connection in top of stand has lock nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121908092.5U CN216267527U (en) | 2021-08-16 | 2021-08-16 | Screw heating type plastic extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121908092.5U CN216267527U (en) | 2021-08-16 | 2021-08-16 | Screw heating type plastic extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216267527U true CN216267527U (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121908092.5U Active CN216267527U (en) | 2021-08-16 | 2021-08-16 | Screw heating type plastic extruder |
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| CN (1) | CN216267527U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115008656A (en) * | 2022-06-07 | 2022-09-06 | 湖北工业大学 | Melting device is used in macromolecular material processing |
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2021
- 2021-08-16 CN CN202121908092.5U patent/CN216267527U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115008656A (en) * | 2022-06-07 | 2022-09-06 | 湖北工业大学 | Melting device is used in macromolecular material processing |
| CN115008656B (en) * | 2022-06-07 | 2023-04-28 | 湖北工业大学 | Melting device for processing high polymer material |
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