CN108465816A - A kind of amorphous metal 3D printing feed device - Google Patents
A kind of amorphous metal 3D printing feed device Download PDFInfo
- Publication number
- CN108465816A CN108465816A CN201810638626.3A CN201810638626A CN108465816A CN 108465816 A CN108465816 A CN 108465816A CN 201810638626 A CN201810638626 A CN 201810638626A CN 108465816 A CN108465816 A CN 108465816A
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- Prior art keywords
- metal
- ceramic
- spiral
- heat exchanger
- sleeve
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/115—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by spraying molten metal, i.e. spray sintering, spray casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/003—Apparatus, e.g. furnaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/006—Amorphous articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
Abstract
The invention discloses a kind of amorphous metal 3D printing feed devices, belong to 3D printing technique field, increase the extruding dynamics to metal silk by squeezing chain surface setting protrusion including the first metal sleeve, the second metal/ceramic combined sleeve and ceramic wire feed trunnion；Spiral spiral tube type heat exchanger is set, using the method for water cooling, accelerates cooling velocity, the damage so as to avoid high temperature to equipment；It can prevent the silk caused by high temperature from expanding in addition, accelerating cooling velocity, silk is effectively avoided more early to melt the case where blocking casing；By the way that ultrasonic vibrator is arranged in rotation spray nitrogen nozzle location, ultrasonic vibration is transmitted in the liquid metal of melting, thinning microstructure crystal grain, after rotation spray nitrogen nozzle throws away metal bath, liquid nitrogen is sprayed immediately, molten drop is quickly cooled down, to form amorphous, keeps the structure property of printed product more excellent.
Description
Technical field
The present invention relates to 3D printing equipment technical field, specifically a kind of amorphous metal 3D printing feed device.
Background technology
3D printing technique has started field technology innovation as a kind of advanced manufacturing technology of great development prospect in recent years
Tide.Common 3D printing material has plastics and metal powder, fused glass pellet（FDM）Technology, the primary raw material used
It is Filamentous moulding material, operation principle is that the material through nozzle of high temperature melt spues, and is deposited on matrix, is layering most
End form is at product.Non-crystalline material has excellent mechanical property, it can be difficult to shaped structure complex parts, 3D printing can solve it
Problems in forming.
When 3D printing non-crystalline material, 3D printing feed device is the important component of printer.Currently on the market most often
The 3D printer feed device seen mostly uses greatly air-cooled, and cooling velocity is poor；Heating device is fast using heating aluminium, and volume is larger, makes
At nozzle heaviness, there is inconveniences during use, and cooling velocity is slow, it is difficult to form metal amorphous.Therefore, for
The above present situation, there is an urgent need to develop a kind of amorphous metal 3D printing feed devices, to overcome the shortcomings of in currently practical application.
Invention content
The purpose of the present invention is to provide a kind of amorphous metal 3D printing feed devices, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the present invention provides the following technical solutions：
A kind of amorphous metal 3D printing feed device, including the first metal sleeve, the second metal/ceramic combined sleeve and ceramics are sent
Silk trunnion, is equipped with extruding conveying mechanism in first metal sleeve, the first metal sleeve lower end is equipped with spiral screwed pipe and changes
The lower end of hot device, the spiral spiral tube type heat exchanger is connected by heat insulation with the second metal/ceramic combined sleeve, the ceramics
Wire feed trunnion is arranged through spiral spiral tube type heat exchanger and heat insulation, and the downside of heat insulation is wound with induction outside in ceramic wire feed trunnion
Coil, equipped with temperature control layer between ceramic wire feed trunnion in the second metal/ceramic combined sleeve, temperature control layer is by induction coil
In being wrapped in, the lower end of the ceramics wire feed trunnion is equipped with rotation spray nitrogen nozzle.
As a further solution of the present invention：The extruding conveying mechanism includes two groups of extruding chains, squeezes chain along the
The radially loading of one metal sleeve is matched, and the both ends for squeezing chain are equipped with extruding gear, further includes for driving extruding gear to rotate
Motor squeezes chain surface and is provided with protrusion.
As a further solution of the present invention：The lower end of first metal sleeve is equipped with internal thread, the heat exchange of spiral screwed pipe
Device upper end be equipped with the matched external screw thread of the first metal sleeve, the lower end of the first metal sleeve and spiral spiral tube type heat exchanger it is upper
It is connected for screw-thread fit between end.
As a further solution of the present invention：The upper end of the heat insulation is equipped with internal thread, under spiral spiral tube type heat exchanger
End be equipped with the matched external screw thread of heat insulation, between the upper end and the lower end of spiral spiral tube type heat exchanger of heat insulation be screw-thread fit
Connection.
As a further solution of the present invention：The upper end of the second metal/ceramic combined sleeve is equipped with internal thread, heat-insulated
The lower end of block is equipped with and the second matched external screw thread of metal/ceramic combined sleeve, the upper end of the second metal/ceramic combined sleeve
It is connected for screw-thread fit between the lower end of heat insulation.
As a further solution of the present invention：It is additionally provided with induction coil interface on the second metal/ceramic combined sleeve.
As a further solution of the present invention：The spiral spiral tube type heat exchanger is reverse-winding, spiralling coil pipe knot
Structure, spiral spiral tube type heat exchanger internal coolant enter from refrigerant inlet, flow out from refrigerant exit, are exchanged heat using reflux type.
As a further solution of the present invention：The lower end of the second metal/ceramic combined sleeve is also equipped with ultrasonic wave
Vibrator, and an end face of ultrasonic vibrator is closely connect with ceramic wire feed trunnion, the lower face position of ultrasonic vibrator
Upside in rotation spray nitrogen nozzle lower face.
As a further solution of the present invention：The rotation spray nitrogen nozzle rotating speed, can be by melting in 200-1000r/min
Metal is quickly thrown away, and rotation spray nitrogen nozzle interior is hollow structure, holds liquid nitrogen, and diameter is equipped with below rotation spray nitrogen nozzle
The pore of 2mm can spray liquid nitrogen, after rotation spray nitrogen nozzle throws away metal bath, spray liquid nitrogen immediately, be carried out to drop fast
Quickly cooling but, to form amorphous.
Compared with prior art, the beneficial effects of the invention are as follows：
1）By squeezing chain surface setting protrusion, increase the extruding dynamics to silk；Spiral spiral tube type heat exchanger is set, is used
The method of water cooling accelerates cooling velocity, the damage so as to avoid high temperature to equipment；In addition, accelerating cooling velocity can prevent
Silk expands caused by high temperature, and silk is effectively avoided more early to melt the case where blocking casing；
2）By the way that ultrasonic vibrator is arranged in rotation spray nitrogen nozzle location, ultrasonic vibration is transmitted to the liquid metal of melting
In, thinning microstructure crystal grain；
3）After rotation spray nitrogen nozzle quickly throws away metal bath, liquid nitrogen is sprayed immediately, drop is quickly cooled down, to shape
At the non-crystalline material of good quality.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the overlooking structure diagram of Fig. 1.
Fig. 3 is the structural schematic diagram of rotation spray nitrogen nozzle in the present invention.
In figure：1. squeezing gear；2. squeezing chain；3. the first metal sleeve；4. refrigerant exit；5. spiral screwed pipe exchanges heat
Device；6. ceramic wire feed trunnion；7. refrigerant inlet；8. heat insulation；9. induction coil interface；10. temperature control layer；11. ultrasonic activation
Device；12. rotation spray nitrogen nozzle；13. induction coil；14. the second metal/ceramic combined sleeve；15. squeezing gear；16. silk；
17. motor.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1~3, in the embodiment of the present invention, a kind of amorphous metal 3D printing feed device, including the first metallic sheath
The 3, second metal/ceramic combined sleeve 14 of cylinder and ceramic wire feed trunnion 6 are equipped with extruding conveying in first metal sleeve 3
Mechanism, it includes two groups of extruding chains 2 to squeeze conveying mechanism, squeezes chain 2 and matches along the radially loading of the first metal sleeve 3, squeezes chain
The both ends of item 2, which are equipped with, squeezes gear 1, and it further includes the motor 17 for driving extruding gear 1 to rotate to squeeze conveying mechanism, described to squeeze
2 surface of pressure chain is provided with protrusion, can play the role of increasing extruding force, realize to the continuous extrusion of silk 16, ensure
Expect smooth, 3 lower end of the first metal sleeve is equipped with spiral spiral tube type heat exchanger 5, the lower end of the spiral spiral tube type heat exchanger 5 by every
Heat block 8 is connected with the second metal/ceramic combined sleeve 14, the ceramics wire feed trunnion 6 through spiral spiral tube type heat exchanger 5 and every
Heat block 8 is arranged, and the downside of heat insulation 8 is wound with induction coil 13, the second metal/ceramic compound sleeve outside in ceramic wire feed trunnion 6
It is additionally provided with induction coil interface 9 on cylinder 14, is set between ceramic wire feed trunnion 6 in the second metal/ceramic combined sleeve 14
There is a temperature control layer 10, in induction coil 13 is wrapped in by temperature control layer 10, the lower end of the ceramics wire feed trunnion 6 is equipped with the spray of rotation spray nitrogen
Mouth 12.
In the present embodiment, the lower end of first metal sleeve 3 is equipped with internal thread, and 5 upper end of spiral spiral tube type heat exchanger is equipped with
With 3 matched external screw thread of the first metal sleeve, between the lower end and the upper end of spiral spiral tube type heat exchanger 5 of the first metal sleeve 3
It is connected for screw-thread fit.
In the present embodiment, the upper end of the heat insulation 8 is equipped with internal thread, the lower end of spiral spiral tube type heat exchanger 5 be equipped with every
8 matched external screw thread of heat block connects between the upper end and the lower end of spiral spiral tube type heat exchanger 5 of heat insulation 8 for screw-thread fit.
In the present embodiment, the upper end of the second metal/ceramic combined sleeve 14 is equipped with internal thread, the lower end of heat insulation 8
Equipped with 14 matched external screw thread of the second metal/ceramic combined sleeve, the upper end of the second metal/ceramic combined sleeve 14 and every
It is connected for screw-thread fit between the lower end of heat block 8.
In the present embodiment, 5 internal coolant of spiral spiral tube type heat exchanger enters from refrigerant inlet 7, is flowed from refrigerant exit 4
Go out, when coolant liquid is in cooling Bottomhole pressure, ceramic wire feed trunnion 6 can be passed through, so can to cooling down around cooling tube, to
High temperature at rotation spray nitrogen nozzle 12 is avoided to impact miscellaneous equipment.
In the present embodiment, the lower end of the second metal/ceramic combined sleeve 14 is also equipped with ultrasonic vibrator 11, and
One end face of ultrasonic vibrator 11 is closely connect with ceramic wire feed trunnion 6, and the lower face of ultrasonic vibrator 11 is located at rotation
Turn the upside of 12 lower face of spray nitrogen nozzle.
In the present embodiment, 12 rotating speed of rotation spray nitrogen nozzle can quickly get rid of molten metal in 200-1000r/min
Go out, 12 inside of rotation spray nitrogen nozzle is hollow structure, holds liquid nitrogen, thin equipped with diameter 2mm below rotation spray nitrogen nozzle 12
Hole can spray liquid nitrogen, after rotation spray nitrogen nozzle 12 throws away metal bath, spray liquid nitrogen immediately, and fast quickly cooling is carried out to drop
But, to form amorphous.
Wherein, this patent can realize the continuous extrusion to silk 16 using pressurizing unit, ensure that discharging is smooth；Using sense
Coil 13 is answered to heat, which has many advantages, such as energy conservation and environmental protection, safe and reliable, can ensure that extruded stock is kept uniformly at high temperature
It is smooth；Cooled down to device using spiral spiral tube type heat exchanger 5, unique reverse-winding, spiralling coil pipe knot inside the device
Structure exchanges heat in a counter-current configuration, avoids because 12 high temperature of rotation spray nitrogen nozzle is transmitted on part；Using temperature control layer 10 by the line of induction
13 package of circle, on the one hand prevents heat loss, plays the role of energy-saving and environment-friendly, on the other hand will prevent the transmission of heat, avoid
Because of influence of the high temperature to equipment for the generation that works long hours.
Induction coil 13 generates high temperature and is heated to silk 16, and the then driving of driving motor 17 squeezes gear 1 and rotates, and squeezes tooth
Wheel 1, which drives, to be squeezed chain 2 and moves, and under the action of extruding force, silk 16 is moved toward at nozzle, 13 part of induction coil by and
When melt, under the action of squeezing chain 2, silk 16 is constantly moved to rotation spray nitrogen nozzle 12, and then by the silk of thawing 16
It is sprayed from rotation spray nitrogen nozzle 12, coolant liquid can take away heat in spiral spiral tube type heat exchanger 5, play cooling effect, melting
Silk 16 passes through the vibration environment of ultrasonic vibrator 11 in cooling procedure, and internal grain refinement improves the matter of printed product
Amount.
The amorphous metal 3D printing feed device has following remarkable advantage：
1）By squeezing chain surface setting protrusion, increase the extruding dynamics to silk；Spiral spiral tube type heat exchanger is set, is used
The method of water cooling accelerates cooling velocity, the damage so as to avoid high temperature to equipment；In addition, accelerating cooling velocity can prevent
Silk expands caused by high temperature, and silk is effectively avoided more early to melt the case where blocking casing；
2）By the way that ultrasonic vibrator is arranged in rotation spray nitrogen nozzle location, ultrasonic vibration is transmitted to the liquid metal of melting
In, thinning microstructure crystal grain；
3）After rotation spray nitrogen nozzle quickly throws away metal bath, liquid nitrogen is sprayed immediately, drop is quickly cooled down, to shape
At the non-crystalline material of good quality.
The above are merely the preferred embodiment of the present invention, it is noted that for those skilled in the art, not
Under the premise of being detached from present inventive concept, several modifications and improvements can also be made, these should also be considered as the protection model of the present invention
It encloses, these all do not interfere with the effect and patent practicability that the present invention is implemented.
Claims (9)
1. a kind of amorphous metal 3D printing feed device, including the first metal sleeve（3）, the second metal/ceramic combined sleeve
（14）With ceramic wire feed trunnion（6）, which is characterized in that first metal sleeve（3）Inside it is equipped with extruding conveying mechanism, first
Metal sleeve（3）Lower end is equipped with spiral spiral tube type heat exchanger（5）, the spiral spiral tube type heat exchanger（5）Lower end pass through heat insulation
（8）With the second metal/ceramic combined sleeve（14）It is connected, the ceramics wire feed trunnion（6）Through spiral spiral tube type heat exchanger（5）
And heat insulation（8）Setting, heat insulation（8）Downside in ceramic wire feed trunnion（6）It is wound with induction coil outside（13）, described second
Metal/ceramic combined sleeve（14）Interior and ceramic wire feed trunnion（6）Between be equipped with temperature control layer（10）, temperature control layer（10）By the line of induction
Circle（13）In being wrapped in, the ceramics wire feed trunnion（6）Lower end be equipped with rotation spray nitrogen nozzle（12）.
2. amorphous metal 3D printing feed device as described in claim 1, which is characterized in that the extruding conveying mechanism includes
Two groups of extruding chains（2）, squeeze chain（2）Along the first metal sleeve（3）Radially loading match, squeeze chain（2）Both ends be equipped with
Squeeze gear（1）, further include squeezing gear for driving（1）The motor of rotation（17）, squeeze chain（2）Surface is provided with convex
It rises.
3. amorphous metal 3D printing feed device as described in claim 1, which is characterized in that first metal sleeve（3）
Lower end be equipped with internal thread, spiral spiral tube type heat exchanger（5）Upper end is equipped with and the first metal sleeve（3）Matched external screw thread, the
One metal sleeve（3）Lower end and spiral spiral tube type heat exchanger（5）Upper end between for screw-thread fit connect.
4. the amorphous metal 3D printing feed device as described in claim 1 or 3, which is characterized in that the heat insulation（8）It is upper
End is equipped with internal thread, spiral spiral tube type heat exchanger（5）Lower end be equipped with and heat insulation（8）Matched external screw thread, heat insulation（8）'s
Upper end and spiral spiral tube type heat exchanger（5）Lower end between for screw-thread fit connect.
5. amorphous metal 3D printing feed device as claimed in claim 4, which is characterized in that second metal/ceramic is multiple
Trap cylinder（14）Upper end be equipped with internal thread, heat insulation（8）Lower end be equipped with and the second metal/ceramic combined sleeve（14）Match
The external screw thread of conjunction, the second metal/ceramic combined sleeve（14）Upper end and heat insulation（8）Lower end between for screw-thread fit connect
It connects.
6. amorphous metal 3D printing feed device as described in claim 1, which is characterized in that second metal/ceramic is multiple
Trap cylinder（14）On be additionally provided with induction coil interface（9）.
7. amorphous metal 3D printing feed device as described in claim 1, which is characterized in that the spiral spiral tube type heat exchanger
（5）For reverse-winding, spiralling coil arrangement, spiral spiral tube type heat exchanger（5）Internal coolant is from refrigerant inlet（7）Into
Enter, from refrigerant exit（4）Outflow, is exchanged heat using reflux type.
8. amorphous metal 3D printing feed device as described in claim 1, which is characterized in that second metal/ceramic is multiple
Trap cylinder（14）Lower end be also equipped with ultrasonic vibrator（11）, and ultrasonic vibrator（11）An end face given with ceramics
Silk trunnion（6）Close connection, ultrasonic vibrator（11）Lower face be located at rotation spray nitrogen nozzle（12）The upside of lower face.
9. the amorphous metal 3D printing feed device as described in claim 1 or 8, which is characterized in that the rotation spray nitrogen nozzle
（12）Rotating speed is in 200-1000r/min, rotation spray nitrogen nozzle（12）Inside is hollow structure, holds liquid nitrogen, is sprayed in rotation spray nitrogen
Mouth（12）Lower section is equipped with the pore of diameter 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810638626.3A CN108465816B (en) | 2018-06-20 | 2018-06-20 | A kind of amorphous metal 3D printing feed device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810638626.3A CN108465816B (en) | 2018-06-20 | 2018-06-20 | A kind of amorphous metal 3D printing feed device |
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| CN108465816A true CN108465816A (en) | 2018-08-31 |
| CN108465816B CN108465816B (en) | 2019-10-29 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434112A (en) * | 2018-12-17 | 2019-03-08 | 中国空间技术研究院 | A kind of space 3D printing system based on the welding of amorphous alloy superplasticity |
| CN109692954A (en) * | 2019-01-03 | 2019-04-30 | 浙江大学台州研究院 | The device and method of thermoplasticity 3D printing metal component |
| CN112078131A (en) * | 2019-06-14 | 2020-12-15 | 华中科技大学 | 3D prints shower nozzle suitable for high viscosity fluid |
| CN112589129A (en) * | 2020-12-02 | 2021-04-02 | 北京石油化工学院 | Double-water-cooling melting nozzle for 3D printing of metal |
| CN113664337A (en) * | 2021-08-20 | 2021-11-19 | 中北大学 | Magnesium alloy electric arc vibration material disk drive |
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| CN112589129A (en) * | 2020-12-02 | 2021-04-02 | 北京石油化工学院 | Double-water-cooling melting nozzle for 3D printing of metal |
| CN113664337A (en) * | 2021-08-20 | 2021-11-19 | 中北大学 | Magnesium alloy electric arc vibration material disk drive |
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| Publication number | Publication date |
|---|---|
| CN108465816B (en) | 2019-10-29 |
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