CN212446203U - Extruder for melt-blown molten polymer - Google Patents
Extruder for melt-blown molten polymer Download PDFInfo
- Publication number
- CN212446203U CN212446203U CN202020961958.8U CN202020961958U CN212446203U CN 212446203 U CN212446203 U CN 212446203U CN 202020961958 U CN202020961958 U CN 202020961958U CN 212446203 U CN212446203 U CN 212446203U
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- China
- Prior art keywords
- sleeve part
- melt
- molten polymer
- extruder
- outer shell
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- Expired - Fee Related
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
An extruder for melt-blown molten polymer comprises a frame, a driving motor arranged on the frame, a speed reducer connected with the driving motor, a screw connected with an output shaft of the speed reducer and a heating extrusion mechanism; the heating extrusion mechanism comprises an outer shell part, an inner sleeve part and a heating medium cavity arranged between the outer shell part and the inner sleeve part, and the screw rod penetrates through one end of the inner sleeve part and extends to the other end of the inner sleeve part; the screw rod is sleeved outside the outer shell part by the front sleeve part and the rear sleeve part, and the inner diameter of the inner sleeve part gradually decreases from the front sleeve part to the rear sleeve part. The utility model has the advantages that: the heating process of the extruder is through the whole extrusion process, the melting efficiency is high, and the product quality of the melt-blown molten polymer is high.
Description
Technical Field
The utility model relates to a melt and spout the apparatus field, concretely relates to an extruder for melt and spout melting polymer.
Background
The screw extruder is mainly used for extruding soft and hard polyvinyl chloride, polyethylene and other thermoplastic plastics, can process 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. In the prior art, a screw extruder conveys raw materials into a barrel through a hopper, then conveys the raw materials through a screw, and a conversion process from particles to liquid is carried out, wherein in the conversion process, a part of small particles are not completely melted, so that the product quality is influenced.
Disclosure of Invention
The object of the present invention is to provide an extruder for melt-blowing molten polymers that addresses the above-mentioned drawbacks.
The utility model comprises a frame, a driving motor arranged on the frame, a speed reducer connected with the driving motor, a screw connected with the output shaft of the speed reducer and a heating extrusion mechanism;
the heating extrusion mechanism comprises an outer shell part, an inner sleeve part and a heating medium cavity arranged between the outer shell part and the inner sleeve part, and the screw rod penetrates through one end of the inner sleeve part and extends to the other end of the inner sleeve part; the two end parts of the outer shell part are respectively connected with a front sleeve part and a rear sleeve part, the front sleeve part and the rear sleeve part sleeve the part of the screw rod outside the outer shell part, and the inner diameter of the inner sleeve part is gradually reduced from the front sleeve part to the rear sleeve part;
the upper portion of the front sleeve part is connected with a melt-blown molten polymer feeding mechanism, the melt-blown molten polymer feeding mechanism comprises a blanking box communicated with the front sleeve part, a micro spiral conveyor and a feeding hopper, the micro spiral conveyor is arranged on the upper portion of the blanking box, and a feeding hole and a discharging hole of the micro spiral conveyor are respectively communicated with the feeding hopper and the blanking box.
And a heating medium inlet pipeline and a heating medium outlet pipeline which penetrate through the outer shell part are respectively arranged at two ends of the heating medium cavity.
And an output shaft of the speed reducer is connected with the screw rod in the front sleeve part through a coupler.
The outlet end of the rear sleeve portion is connected to a melt filter.
The outer shell part is made of heat-preservation and heat-insulation ceramic materials, and the inner lining part is made of high-heat-conductivity alloy materials.
The utility model has the advantages that: the heating process is through the whole extrusion process, the melting efficiency is high, and the product quality of the melt-blown molten polymer is high.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the structure of the present invention.
Fig. 3 is a schematic structural view of a heating extrusion mechanism.
Fig. 4 is a schematic cross-sectional view of a heated extrusion mechanism.
Detailed Description
As shown in the attached drawings, the utility model comprises a frame 31, a driving motor 32 arranged on the frame 31, a speed reducer 33 connected with the driving motor 32, a screw 34 connected with an output shaft of the speed reducer 33 and a heating extrusion mechanism;
the heating extrusion mechanism comprises an outer shell part 40, an inner sleeve part 41 and a heating medium cavity 42 arranged between the outer shell part 40 and the inner sleeve part 41, wherein the screw 34 penetrates from one end of the inner sleeve part 41 to extend to the other end of the inner sleeve part 41; a front sleeve part 35 and a rear sleeve part 36 are respectively connected to two end parts of the outer shell part 40, the front sleeve part 35 and the rear sleeve part 36 are used for sleeving the screw 34 outside the outer shell part 40, and the inner diameter of the inner sleeve part 41 is gradually reduced from the front sleeve part 35 to the rear sleeve part 36;
the upper part of the front sleeve part 35 is connected with a melt-blown molten polymer feeding mechanism, the melt-blown molten polymer feeding mechanism comprises a blanking box 37 communicated with the front sleeve part 35, a micro spiral conveyor 38 and a feeding hopper 39, the micro spiral conveyor 38 is arranged on the upper part of the blanking box 37, and a feeding hole and a discharging hole of the micro spiral conveyor 38 are respectively communicated with the feeding hopper 39 and the blanking box 37.
The two ends of the heating medium cavity 42 are respectively provided with a heating medium inlet pipeline and a heating medium outlet pipeline which penetrate through the outer shell part 40.
The output shaft of the speed reducer 33 and the screw 34 are coupled by a coupling in the front sleeve portion 35.
The outlet end of the rear sleeve portion 36 is connected to a melt filter.
The outer shell portion 40 is made of heat-preservation and heat-insulation ceramic materials, and the inner lining portion 41 is made of high-heat-conductivity alloy materials.
The working principle is as follows: an operator adds the melt-blown molten polymer raw material from a feeding hopper 39 above the front sleeve part 35, then adds the melt-blown molten polymer raw material into the front sleeve part 35 through a micro screw conveyor 38 and a blanking box 37, enters the inner sleeve part 41 under the drive of the screw 34, melts and stirs the melt-blown molten polymer raw material in the inner sleeve part 41 through a heating medium in a heating medium cavity 42, and discharges the melt material from the rear sleeve part 36 under the drive of the screw 34 after high-temperature melting. The utility model has the advantages that: the heating process of the extruder is through the whole extrusion process, the melting efficiency is high, and the product quality of the melt-blown molten polymer is high.
Claims (5)
1. An extruder for melt-blowing a molten polymer is characterized by comprising a frame (31), a driving motor (32) arranged on the frame (31), a speed reducer (33) connected with the driving motor (32), a screw (34) connected with an output shaft of the speed reducer (33) and a heating extrusion mechanism;
the heating extrusion mechanism comprises an outer shell part (40), an inner sleeve part (41) and a heating medium cavity (42) arranged between the outer shell part (40) and the inner sleeve part (41), and the screw (34) penetrates from one end of the inner sleeve part (41) and extends to the other end of the inner sleeve part (41); the two ends of the outer shell part (40) are respectively connected with a front sleeve part (35) and a rear sleeve part (36), the front sleeve part (35) and the rear sleeve part (36) sleeve the part of the screw (34) outside the outer shell part (40), and the inner diameter of the inner lining sleeve part (41) is gradually reduced from the front sleeve part (35) to the rear sleeve part (36);
the upper portion of the front sleeve part (35) is connected with a melt-blown molten polymer feeding mechanism, the melt-blown molten polymer feeding mechanism comprises a blanking box (37) communicated with the front sleeve part (35), a micro spiral conveyor (38) arranged on the upper portion of the blanking box (37) and a feeding hopper (39), and a feeding hole and a discharging hole of the micro spiral conveyor (38) are respectively communicated with the feeding hopper (39) and the blanking box (37).
2. An extruder for melt-blowing a molten polymer according to claim 1, wherein the heating medium chamber (42) is further provided at both ends thereof with a heating medium inlet duct and a heating medium outlet duct, respectively, passing through the outer housing portion (40).
3. An extruder for melt-blowing a molten polymer according to claim 1, wherein an output shaft of said speed reducer (33) and a screw (34) are coupled by a coupling in said front sleeve portion (35).
4. An extruder for melt blowing molten polymer according to claim 1 wherein the exit end of said rear sleeve section (36) is connected to a melt filter.
5. An extruder for melt-blowing molten polymer according to claim 1, wherein said outer housing portion (40) is made of a heat insulating ceramic material and said inner jacket portion (41) is made of a high thermal conductive alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020961958.8U CN212446203U (en) | 2020-06-01 | 2020-06-01 | Extruder for melt-blown molten polymer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020961958.8U CN212446203U (en) | 2020-06-01 | 2020-06-01 | Extruder for melt-blown molten polymer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212446203U true CN212446203U (en) | 2021-02-02 |
Family
ID=74478308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020961958.8U Expired - Fee Related CN212446203U (en) | 2020-06-01 | 2020-06-01 | Extruder for melt-blown molten polymer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212446203U (en) |
-
2020
- 2020-06-01 CN CN202020961958.8U patent/CN212446203U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210202 |