CN206567341U - A kind of flat extruding cylinder of 3D printing fiber local enhancement - Google Patents
A kind of flat extruding cylinder of 3D printing fiber local enhancement Download PDFInfo
- Publication number
- CN206567341U CN206567341U CN201720092227.2U CN201720092227U CN206567341U CN 206567341 U CN206567341 U CN 206567341U CN 201720092227 U CN201720092227 U CN 201720092227U CN 206567341 U CN206567341 U CN 206567341U
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- Prior art keywords
- flat
- extruding
- material groove
- extruding cylinder
- cylinder
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of flat extruding cylinder of 3D printing fiber local enhancement, including the outer barrel and inner sleeve being mutually socketed, the flat hole of extruding being provided with flat ellipse is inside put, insert is filled with along being circumferentially provided with de-material groove, de-material groove for flat hole is extruded.The utility model opens de-material groove on the flat hole periphery of extruding first, pass through 3D printing technique, printed using original H13 powdered steels and fiber as raw material in de-material groove location, substantially improve the mechanical property of the region of stress concentration of existing flat extruding cylinder, the tensile strength of dangerous position is improved more than 50%, service life improves more than 1000%, so that flat extruding cylinder can be made to realize more number of times extruding under severe conditions, substantially reduces use cost.
Description
Technical field
The utility model belongs to extrusion equipment technical field, and in particular to a kind of flat extruding of 3D printing fiber local enhancement
Cylinder.
Background technology
Flat extruding cylinder is a kind of very effective instrument of the flat wide thin-wall section of extruding large.Due to flat extruding cylinder and wallboard
Section bar there is larger geometric similarity so that metal flow evenly, extruding force used is relatively low and product structure property uniform,
Yield rate is higher, thus flat extruding cylinder has the irreplaceable advantage of cylinder on extruding thin-wall boards.But due to flat extruding cylinder
Extruding bad environments, because be asymmetrical in shape can produce stress distribution concentrate, draw maximum stress often by finite element analysis
Up to 1100MPa or so, close to the yield strength 1300MPa of flat extruding cylinder material H13 steel, easily causes Cracking Failure.
The flat extruding cylinder inner sleeve inner-cavity structure studied at present is formed by connecting by straight line and transition arc curve more, therefore is made
During due to geometric asymmetry cause at inner sleeve bore circular arc turn into flat extruding cylinder use during be easiest at cracking,
The inner sleeve failure of the medium-and-large-sized flat extruding cylinder of actual production all occurs in this position substantially.
Utility model content
The purpose of this utility model is to provide a kind of flat extruding cylinder of 3D printing fiber local enhancement, solves existing flat crowded
Pressure cylinder is in extrusion process, the problem of stress distribution is concentrated, easily causes Cracking Failure.
A kind of flat extruding cylinder of 3D printing fiber local enhancement of the utility model is the technical scheme adopted is that including mutually
The outer barrel and inner sleeve of socket, inside put the flat hole of extruding being provided with flat ellipse, and de-material is circumferentially provided with along the flat hole of extruding
Groove, de-material groove is that insert is filled with the dangerous position of flat extruding cylinder, de-material groove.
It is of the present utility model to be further characterized in that,
De-material groove is the de-material groove a in horse-hof shape, and it is distributed in and extrudes the length in flat hole to two ends.
De-material groove is the de-material groove b in flat ellipse, and its edge extrudes the circumferentially distributed of flat hole.
The de-material thickness of de-material groove is 5mm-100mm.
Insert is the excellent organic or inorganic materials of tensile property such as silicon carbide fibre, nylon, and insert is according to crowded
The circumference order arrangement successively in hole is flattened, mechanical property of the flat extruding cylinder in dangerous position is added.
There is coating treatment on the surface of insert, is specially：SiO is coated on its surface2Or Electroless Plating Ni and Cu metals or
Person plates nonmetallic coating, then adds the adhesive that concentration is 5%-15%.
The beneficial effects of the utility model are：A kind of flat extruding cylinder of 3D printing fiber local enhancement of the utility model is first
De-material groove is opened extruding flat hole periphery, by 3D printing technique, is being gone using original H13 powdered steels and fiber as raw material
Material groove location is printed, and substantially improves the mechanical property of the region of stress concentration of existing flat extruding cylinder, by the anti-of dangerous position
Tensile strength improves more than 50%, and service life improves more than 1000%, so as to flat extruding cylinder can be realized under severe conditions
More number of times extruding, substantially reduce use cost.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the flat extruding cylinder of 3D printing fiber local enhancement of the utility model；
Fig. 2 is a kind of another structural representation of the flat extruding cylinder of 3D printing fiber local enhancement of the utility model；
Fig. 3 is the arrangement schematic diagram of the insert in the corresponding de-material groove a of Fig. 1；
Fig. 4 is the arrangement schematic diagram of the insert in the corresponding de-material groove b of Fig. 2；
Fig. 5 is the erection stress distribution map of existing flat extruding cylinder；
Fig. 6 is the dangerous position schematic diagram of existing flat extruding cylinder.
In figure, 1. outer barrels, 2. inner sleeves, the 3. flat holes of extruding, 4. de-material groove a, 5. de-material groove b, 6. inserts.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
A kind of flat extruding cylinder of 3D printing fiber local enhancement of the utility model, as shown in figure 1, outer including what is be mutually socketed
The flat hole 3 of extruding in flat ellipse is provided with cylinder 1 and inner sleeve 2, inner sleeve 2, flat hole 3 is extruded, along the circumferentially disposed of the flat hole 3 of extruding
Have and insert 6 is filled with de-material groove, de-material groove.
De-material groove is the de-material groove a4 in horse-hof shape, and it is distributed in and extrudes the length in flat hole 3 to two ends.
As shown in Fig. 2 de-material groove is the de-material groove b5 in flat ellipse, and its edge extrudes the circumferentially distributed of flat hole 3.
The de-material thickness of de-material groove is 5mm-100mm, it is ensured that the overall mechanical properties of flat extruding cylinder.
Insert 6 is the excellent organic or inorganic materials of tensile property such as silicon carbide fibre, nylon, such as Fig. 3 and Fig. 4 institutes
Show, and insert 6 is arranged successively according to the circumference for extruding flat hole 3.
There is coating treatment on the surface of insert 6, is specially：SiO is coated on its surface2Or Electroless Plating Ni and Cu metals or
Person plates nonmetallic coating, then adds the adhesive that concentration is 5%-15%；The purpose of coating is between fiber and metal
Interface cohesion is closer, gives full play to every advantage.
Preparation process of the present utility model：Raw material fiber and H13 comminuted steel shots are chosen, is gone according to flat extruding cylinder position to be reinforced
Material groove a4 or de-material groove b5 actual size, complete its three-dimensional CAD model, using 3D printing pre-processing software by model to be printed
Layered shaping, flat extruding cylinder to be reinforced includes being provided with flat ellipse in outer barrel 1 and the inner sleeve 2 being mutually socketed, inner sleeve 2
Extrude flat hole 3；Obtained layered shaping information is input in SLM rapidform machines, laser sintered and fiber top guide road is obtained
Footpath；SLM rapidform machines are preheated, argon gas-sealed is passed through after SLM rapidform machines working region is vacuumized, it is then fast in SLM
One layer of H13 comminuted steel shot powdering is laid in fast forming machine working region, flat extruding cylinder is then quickly put into, laser sintered H13 steel at this
Powder, completes the shaping of this layer；Fiber top guide forming area upper strata it is uniform, it is directionality put fiber, SLM rapid shapings afterwards
Machine worktable declines, and lays one layer of H13 comminuted steel shot, laser sintered；Repetition powdering-put fiber until flat extruding cylinder is entirely to be reinforced
Position material groove a4 or de-material groove b5 printings are completed, and take out flat extruding cylinder, are carried out after heat treatment stress relief annealing, are obtained local enhancement
Flat extruding cylinder.
The erection stress of existing flat extruding cylinder is distributed as shown in figure 5, its main Cracking Failure dangerous position such as Fig. 6 institute
Show, the utility model opens de-material groove extruding the flat periphery of hole 3 first, by 3D printing technique, using original H13 powdered steels and
Fiber is printed as raw material in de-material groove location, substantially improves the mechanical property of the region of stress concentration of existing flat extruding cylinder
Can, the tensile strength of dangerous position is improved more than 50%, service life improves more than 1000%, so as under severe conditions can
Flat extruding cylinder is realized more number of times extruding, substantially reduce use cost.
Claims (5)
1. a kind of flat extruding cylinder of 3D printing fiber local enhancement, it is characterised in that including the outer barrel (1) being mutually socketed and inner sleeve
(2) the flat hole of extruding (3) in flat ellipse, is provided with inner sleeve (2), de-material groove is circumferentially provided with along the flat hole (3) of extruding, goes
Insert (6) is filled with material groove.
2. the flat extruding cylinder of a kind of 3D printing fiber local enhancement according to claim 1, it is characterised in that described goes
Material groove is the de-material groove a (4) in horse-hof shape, and it is distributed in and extrudes the length of flat hole (3) to two ends.
3. the flat extruding cylinder of a kind of 3D printing fiber local enhancement according to claim 1, it is characterised in that described goes
Material groove is the de-material groove b (5) in flat ellipse, and it is along the circumferentially distributed of the described flat hole of extruding (3).
4. according to a kind of flat extruding cylinder of any described 3D printing fiber local enhancements of claim 2-3, it is characterised in that institute
The de-material thickness for the de-material groove stated is 5mm-100mm.
5. the flat extruding cylinder of a kind of 3D printing fiber local enhancement according to claim 4, it is characterised in that described is interior
Backing (6) is silicon carbide fibre or nylon, and insert (6) is arranged successively according to the circumference for extruding flat hole (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720092227.2U CN206567341U (en) | 2017-01-22 | 2017-01-22 | A kind of flat extruding cylinder of 3D printing fiber local enhancement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720092227.2U CN206567341U (en) | 2017-01-22 | 2017-01-22 | A kind of flat extruding cylinder of 3D printing fiber local enhancement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206567341U true CN206567341U (en) | 2017-10-20 |
Family
ID=60061382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720092227.2U Expired - Fee Related CN206567341U (en) | 2017-01-22 | 2017-01-22 | A kind of flat extruding cylinder of 3D printing fiber local enhancement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206567341U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106807793A (en) * | 2017-01-22 | 2017-06-09 | 西安工程大学 | A kind of flat extruding cylinder of 3D printing fiber local enhancement and preparation method thereof |
-
2017
- 2017-01-22 CN CN201720092227.2U patent/CN206567341U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106807793A (en) * | 2017-01-22 | 2017-06-09 | 西安工程大学 | A kind of flat extruding cylinder of 3D printing fiber local enhancement and preparation method thereof |
| CN106807793B (en) * | 2017-01-22 | 2018-12-07 | 西安工程大学 | A kind of preparation method of the flat extruding cylinder of 3D printing fiber local enhancement |
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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 |
Granted publication date: 20171020 Termination date: 20180122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |