CN203331395U - Novel hot melt material extruding device - Google Patents
Novel hot melt material extruding device Download PDFInfo
- Publication number
- CN203331395U CN203331395U CN2013203446320U CN201320344632U CN203331395U CN 203331395 U CN203331395 U CN 203331395U CN 2013203446320 U CN2013203446320 U CN 2013203446320U CN 201320344632 U CN201320344632 U CN 201320344632U CN 203331395 U CN203331395 U CN 203331395U
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- China
- Prior art keywords
- flexible conduit
- gas
- new
- type heat
- guide pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/05—Filamentary, e.g. strands
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a novel hot melt material extruding device, comprising a heating device, an extruding head, a gas guide pipe extension pipe, a flexible feeding guide pipe, a flexible gas guide pipe, a hollow connector, a gas circulating device and a driving device, wherein the gas circulating device is arranged above the driving device; the hollow connector is arranged on the gas circulating device; the driving device is connected with the flexible feeding guide pipe; one end of the flexible gas guide pipe is communicated with the hollow connector, and the other end of the flexible gas guide pipe is provided with the gas guide pipe extension pipe; the heating device is arranged in the gas guide pipe extension pipe; the upper end of the heating device is connected with the flexible feeding guide pipe; the lower end of the heating device is connected with the extruding head. The novel hot melt material extruding device has the beneficial effects that the mass of a moving part in the extruding device is reduced, so that the moving speed is increased; the gas circulating device ensures that air motion is generated around the extruding head through the guide pipes so as to cool molten filaments extruded by the extruding head.
Description
Technical field
The utility model relates to the melt extrusion device, relates in particular to a kind of new-type heat-melting material extrusion device.
Background technology
Rapid shaping technique is emerging advanced manufacturing technology of late 1980s, is a kind of prototype manufacturing technology based on discrete accumulation thought.The outstanding advantage of rapid shaping technique is embodied in: at first, it is a kind of Digitized Manufacturing Technology based on digital drive fully, realizes directly having the manufacture process of CAD prototype, without special-purpose frock clamp; Secondly, the complexity of forming process and part is irrelevant, can manufacture the parts of any complicated shape.The rapid shaping field that is widely used, especially in the new product development stage, adopt rapid shaping technique, can greatly shorten the construction cycle of product, and expense is made in the decrease trial production, the fast responding market demand.
At present, the quick shaping process technology has more than more than 10 kinds, and most typical process has stereolithography (SL), laminated solid mass manufacture (LOM), selective laser sintering (SLS) and fusion sediment moulding (FDM).
The hot melt material extrusion device is the critical component of fused deposition method rapid prototyping system.It is hot melt material, plastics for example, and raw material melts, and produces filament by extruder head, and constructs three-dimensional entity model with this filament under the control of computer system.Traditional hot melt material extrusion device is by drive unit or driving pump, the fixed structure that heater and extruder head are made of one.Its structure is relatively simple, and the course of work is easily controlled, but that its problem is quality is large, and particularly the drive unit quality is very large.
The Patent Application Publication that application number is 200520080240.3 fused body continuous extrusion, comprise heating cylinder 7, the lower end of this heating cylinder 7 has nozzle, be installed with motor on heating cylinder, be provided with rotating extrusion screw rod in heating cylinder, the upper end of extrusion screw rod is connected with motor output shaft; This heating cylinder 7, barrel 7 hollows, upper and lower side opening, its sidewall has axially extended installing hole 24, and for heating element heater being set as electrical bar etc., screw 8 is for being fastened on electrical bar installing hole 24; Be provided with loading hopper 10 at barrel 7 outer walls, loading hopper 10 is by charge door and barrel 7 internal run-throughs; At barrel, 7 lower ending opening places are arranged with copper sheathing 6, and copper sheathing 6 coordinates with the front end of screw rod 9; Connecting cylinder 4, the melting charge with axial perforation is extruded passage, and the upper end of connecting cylinder 4 is fixed with barrel 7 lower ends and is made melting charge extrude passage by screw 5 and is communicated with barrel 7 lower ending openings; Nozzle 1, have the melting charge extrusion, and nozzle 1 is connected to connecting cylinder 4 lower ends by nozzle pad 2, nut 3; The motor cabinet assembly, it is installed in barrel 7 upper ends by screw 22; Motor 18, it is installed in motor cabinet 15 tops by screw 19; Extrusion screw rod 9, it is rotatably supported in motor cabinet 15 by nut 16, upper rolling bearing 20, thrust bearing 21, packing ring 13, lower rolling bearing 23.The upper end of extrusion screw rod 9 is connected with electrode output shaft 17a by key 17, and its lower end is that helical form and the melting charge that is disposed at connecting cylinder 4 are extruded in passage, and wherein, thrust bearing 21 guarantees that extrusion screw rod 9 can bear axial load.
Above-mentioned disclosed fused body continuous extrusion quality is large, its drive motors heaviness, and activity is poor, accumulation running part and heating part, whole extrusion device quality is larger; This extrusion device has limited the extruder head translational speed on the one hand, i.e. the speed of three-dimensional fast shaping; To X, the requirement of mechanical strength of Y-axis is higher on the other hand, needs certain driving power to reach movement velocity, and this has further increased again cost; The hot melt material of some melting simultaneously can produce peculiar smell, and sucking for a long time this gas can affect healthy.Although whole 3 D-printing molding space sealing can be added to scavenger fan and filtered, such cost is high, and a large amount of circulations of air is unfavorable for maintaining the temperature in three-dimensionally shaped chamber.
The utility model content
The technical problems to be solved in the utility model is the defect that overcomes prior art, providing a kind of can fix drive unit, reduce the quality of movable part, improve the new-type heat-melting material extrusion device of extruder head translational speed, described device, with the gas communication device, can filter the peculiar smell of the hot melt material generation of some melting simultaneously.
In order to solve the problems of the technologies described above, the technical solution of the utility model is as follows:
A kind of new-type heat-melting material extrusion device, comprise heater, extruder head, the airway extension, the feeding flexible conduit, the gas flexible conduit, hollow jockey, the gas communication device, drive unit, described drive unit is provided with the gas communication device, on described gas communication device, hollow jockey is set, described drive unit is connected with the feeding flexible conduit, described gas flexible conduit one end is communicated with hollow jockey, the described gas flexible conduit other end is provided with the airway extension, described airway extension inside is provided with heater, described heater upper end is connected with described feeding flexible conduit, described heater lower end is connected with described extruder head, described gas communication device makes to produce Air Flow around extruder head by hollow jockey, gas flexible conduit and airway extension, the filament of the melting of extruding with cooling extruded head.
Further, described feeding flexible conduit is placed in described gas flexible conduit inside.
Further, the air-flow direction that described gas communication device produces is from described heater to described gas communication device, air-breathing, is provided with active carbon filter core in described hollow jockey, the peculiar smell produced with the filtering molten filament simultaneously.
Further, described feeding flexible conduit two ends arrange the screw thread of left and right different directions, and described feeding flexible conduit is connected with described heater, drive unit by screw thread.
Further, described feeding flexible conduit is the fluoroplastics conduit; Described gas flexible conduit is bellows or silica gel hose.
Further, described gas communication device is fan.
Further, described drive unit is motor.
The beneficial effects of the utility model are:
1, reduce the quality of movable part in described extrusion device, thereby improve translational speed;
2, the gas communication device makes to produce Air Flow around extruder head by conduit, the filament of the melting of extruding with cooling extruded head;
3, be provided with active carbon filter core in described hollow jockey and can reduce peculiar smell.
The accompanying drawing explanation
Accompanying drawing is depicted as a kind of new-type heat-melting material extrusion device structural representation described in the utility model.
Reference numeral is as follows:
1-heater, 2-extruder head, 3-airway extension, 4-feeding flexible conduit, 5-gas flexible conduit, the hollow jockey of 6-, 7-gas communication device, 8-drive unit.
The specific embodiment
Below in conjunction with Figure of description, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for description and interpretation the utility model, and be not used in restriction the utility model.
As shown in the figure, a kind of new-type heat-melting material extrusion device, comprise heater 1, extruder head 2, airway extension 3, feeding flexible conduit 4, gas flexible conduit 5, hollow jockey 6, gas communication device 7, drive unit 8, described drive unit 8 is provided with gas communication device 7, hollow jockey 6 is set on described gas communication device 7, described drive unit 8 is connected with feeding flexible conduit 4, described gas flexible conduit 5 one ends are communicated with hollow jockey 6, described gas flexible conduit 5 other ends are provided with airway extension 3, described airway extension 3 inside are provided with heater 1, described heater 1 upper end is connected with described feeding flexible conduit 4, described heater 1 lower end is connected with described extruder head 2, described gas communication device 7 makes to produce Air Flow around extruder head 2 by hollow jockey 6, gas flexible conduit 5 and airway extension 3, with the filament (not shown) of cooling extruded 2 melting of extruding.
Described feeding flexible conduit 4 is placed in described gas flexible conduit 5 inside.
The air-flow direction that described gas communication device 7 produces is from described heater 1 to described gas communication device 7, air-breathing, be provided with the active carbon filter core (not shown) simultaneously in described hollow jockey 6, the peculiar smell produced with the filtering molten filament, and the air that the gas communication device 7 that is arranged on drive unit 8 tops blows out, can give drive unit 8 heat radiations.
Described feeding flexible conduit 4 two ends arrange the screw thread (not shown) of left and right different directions, described feeding flexible conduit 4 is connected with described heater 1, drive unit 8 by screw thread, described feeding flexible conduit 4 is the fluoroplastics conduit, described gas flexible conduit 5 is bellows or silica gel hose, described gas communication device 7 is fan, and described drive unit 8 is motor.
Described drive unit 8 pushes raw material crin (not shown) in feeding flexible conduit 4, and described raw material crin pushes heater 1 through feeding flexible conduit 4, and described raw material crin is extruded by extruder head 2 by heater 1 fusing, forms the filament of melting; Described gas communication device 7 siphons away extruder head 2 ambient airs by hollow jockey 6, gas flexible conduit 5 and airway extension 3, make to produce Air Flow around extruder head 2, with the filament of cooling extruded 2 melting of extruding.
The feeding flexible conduit 4 that the utility model is set and gas flexible conduit 5 are all flexible, during practical application, drive unit 8 is fixing, only have heater 1, extruder head 2, airway extension 3, feeding flexible conduit 4 to be arranged to movable, thereby reduced moving-mass, improved movement velocity.
If fan is reverse, extruder head 2 positions become air blowing by air-breathing, although can not reduce by active carbon filter core the peculiar smell of filament, cooling filament better.
The utility model is not limited to above-mentioned embodiment, in the situation that do not deviate from flesh and blood of the present utility model, any distortion it may occur to persons skilled in the art that, improvement, replacement all fall into scope of the present utility model.
Claims (9)
1. a new-type heat-melting material extrusion device, comprise heater, extruder head, the airway extension, the feeding flexible conduit, the gas flexible conduit, hollow jockey, the gas communication device, drive unit, described drive unit is provided with the gas communication device, on described gas communication device, hollow jockey is set, described drive unit is connected with the feeding flexible conduit, described gas flexible conduit one end is communicated with hollow jockey, the described gas flexible conduit other end is provided with the airway extension, described airway extension inside is provided with heater, described heater upper end is connected with described feeding flexible conduit, described heater lower end is connected with described extruder head.
2. a kind of new-type heat-melting material extrusion device according to claim 1, is characterized in that, described feeding flexible conduit is placed in described gas flexible conduit inside.
3. a kind of new-type heat-melting material extrusion device according to claim 1, is characterized in that, in described hollow jockey, is provided with active carbon filter core.
4. a kind of new-type heat-melting material extrusion device according to claim 1, is characterized in that, described feeding flexible conduit two ends arrange the screw thread of left and right different directions, and described feeding flexible conduit is connected with described heater, drive unit by screw thread.
5. a kind of new-type heat-melting material extrusion device according to claim 1, is characterized in that, described gas flexible conduit is bellows.
6. a kind of new-type heat-melting material extrusion device according to claim 1, is characterized in that, described gas flexible conduit is silica gel hose.
7. a kind of new-type heat-melting material extrusion device according to claim 1, is characterized in that, described feeding flexible conduit is the fluoroplastics conduit.
8. a kind of new-type heat-melting material extrusion device according to claim 1, is characterized in that, described gas communication device is fan.
9. a kind of new-type heat-melting material extrusion device according to claim 1, is characterized in that, described drive unit is motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203446320U CN203331395U (en) | 2013-06-17 | 2013-06-17 | Novel hot melt material extruding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203446320U CN203331395U (en) | 2013-06-17 | 2013-06-17 | Novel hot melt material extruding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203331395U true CN203331395U (en) | 2013-12-11 |
Family
ID=49700092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203446320U Expired - Lifetime CN203331395U (en) | 2013-06-17 | 2013-06-17 | Novel hot melt material extruding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203331395U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341961A (en) * | 2013-06-17 | 2013-10-09 | 耿得力 | Novel hot-melting material extrusion device |
-
2013
- 2013-06-17 CN CN2013203446320U patent/CN203331395U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341961A (en) * | 2013-06-17 | 2013-10-09 | 耿得力 | Novel hot-melting material extrusion device |
| CN103341961B (en) * | 2013-06-17 | 2016-07-06 | 耿得力 | A kind of hot melt material extrusion device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131211 Effective date of abandoning: 20160706 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20131211 Effective date of abandoning: 20160706 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |