CN204183750U - Nylon powder suspension balling head - Google Patents
Nylon powder suspension balling head Download PDFInfo
- Publication number
- CN204183750U CN204183750U CN201420620973.0U CN201420620973U CN204183750U CN 204183750 U CN204183750 U CN 204183750U CN 201420620973 U CN201420620973 U CN 201420620973U CN 204183750 U CN204183750 U CN 204183750U
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- CN
- China
- Prior art keywords
- powder
- balling
- nylon
- nylon powder
- room
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/10—Making granules by moulding the material, i.e. treating it in the molten state
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
- B01J2/04—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a gaseous medium
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrostatic Spraying Apparatus (AREA)
- Photoreceptors In Electrophotography (AREA)
Abstract
The utility model provides a kind of nylon powder suspension balling head, comprises electrostatic spray feed parts, powder becomes ball part, solenoid, heater, temperature sense parts, gas cooling-part, nylon powder collecting part; Electrostatic spray feed parts are arranged on powder balling-up component upper ends; Powder becomes ball part to be double-decker, and its inwall forms powder balling-up room, and powder balling-up component upper ends offers charging hole, and charging hole communicates with powder balling-up room; Powder balling-up lower offers discharge opening, and discharge opening communicates with powder balling-up room; Solenoid is arranged on powder balling-up feature bottom; Heater to be arranged between powder balling-up member internal walls and outer wall and to be positioned at both sides, powder balling-up room; Temperature sense parts are fixed on powder balling-up component top, and it is indoor that a temperature sense parts part stretches into powder balling-up; Gas cooling-part is arranged on powder balling-up member internal walls both sides; Nylon powder collecting part is fixed on powder and becomes ball part bottom.
Description
Technical field
The utility model relates to powder preparation technical field, especially a kind of nylon powder suspension balling head.
Background technology
3D printing technique is a kind of laser sintered rapid shaping technique, and printing dusty material is then the critical material realizing 3D printing.3D print require dusty material to have spherical or subsphaeroidal and domain size distribution is wanted evenly, powder thermal conductivity and flow, it just can be made to be easy to heating and to dissolve with shaping, the surface smoothness of raising goods.The sinter molding function admirable of nylon, product strength is high, good toughness, and the 3D being highly suitable for macromolecular material prints.Therefore, spherical nylon powder for 3D printing technique development and apply significant.
At present, the preparation method of spherical nylon powder material mainly contains mechanical deep cooling crush method, direct polymerization method and solvent precipitation.The powder morphology that machinery deep cooling crush method and emulsion polymerization obtain is irregular, is difficult to form spherical or nearly shape particle.Solvent precipitation uses maximum preparation methods, published Chinese patent has: CN101157762A, the subject matter that this technical method exists is: prepared nylon powder size distribution is wide, the volatile solvents such as production process methyl alcohol, ethanol, process control requirements is high, difficulty is large, production cycle length, cost intensive.
Utility model content
In view of this, the utility model provides one that blocking is less likely to occur, and the nylon powder suspension balling head that efficiency of dust collection is high.
A kind of nylon powder suspension balling head, it comprises electrostatic spray feed parts, powder becomes ball part, solenoid, heater, temperature sense parts, gas cooling-part, nylon powder collecting part;
Electrostatic spray feed parts are arranged on powder balling-up component upper ends, and electrostatic spray feed parts are used for that nylon powder is sent into powder and become in ball part;
Powder becomes ball part to be double-decker, and its inwall forms powder balling-up room, and powder balling-up component upper ends offers charging hole, and charging hole communicates with powder balling-up room; Powder balling-up lower offers discharge opening, and discharge opening communicates with powder balling-up room;
Solenoid is arranged on powder balling-up feature bottom, and solenoid makes nylon powder be in suspended state for generation of electric field;
Heater to be arranged between powder balling-up member internal walls and outer wall and to be positioned at both sides, powder balling-up room, heater is used for melt temperature nylon powder being heated in powder balling-up room nylon, nylon powder surface is melted, and under capillary effect, nylon powder is formed spherical;
Temperature sense parts are fixed on powder balling-up component top, and it is indoor that a temperature sense parts part stretches into powder balling-up;
Gas cooling-part is arranged on powder balling-up member internal walls both sides, and gas cooling-part is provided for the quick cooling curing of spherical nylon powder;
Nylon powder collecting part is fixed on powder and becomes ball part bottom, for collecting spherical nylon powder.
Operation principle of the present utility model is: electrostatic spray feed parts make nylon powder surface produce electrostatic, and nylon powder is in high degree of dispersion state and enters powder balling-up room, and wherein, the size controlling of nylon powder used is at 50 ~ 100 μm; The nylon powder of high degree of dispersion is subject to the electric field action of solenoid and is in suspended state; Powder balling-up room is heated to the melt temperature (150 ~ 250 DEG C) of nylon powder by heater, and is incubated a period of time and makes nylon powder melt surface, makes nylon powder globulate under capillary effect; Gas cooling-part passes into cryogenic gas and makes the quick cooling curing of the nylon powder of globulate, closes solenoid and removes the restriction that suspends, collect spherical nylon powder.
Compared with prior art, its advantage is the nylon powder suspension balling head that the utility model provides:
The utility model device effectively can realize the suspension balling-up of nylon powder, electrostatic spray feed parts and solenoid is adopted to make nylon powder be in the suspended state of high degree of dispersion, powder surface melting balling-up is realized by heating and quick cooling, nylon powder balling ratio and balling-up speed can be significantly improved, shorten the production cycle, production cost is low, and without the need to using the volatile solvent such as methyl alcohol, ethanol, this technology is environment friendly and pollution-free.
Accompanying drawing explanation
Fig. 1 is the nylon powder suspension balling head structural representation of the utility model embodiment;
1-electrostatic spray feed parts; 11-podwer gun; 2-powder becomes ball part; 21-powder balling-up room; 22-charging hole; 23-discharge opening; 3-solenoid; 4-heater; 5-temperature sense parts; 6-gas cooling-part; 71-powder collection chamber; 72-collection powder electrode; 73-parastat; The spherical nylon powder holding part of 74-; 8-bracing frame.
Detailed description of the invention
As Fig. 1, in a kind of nylon powder suspension balling head of the utility model embodiment, it comprises electrostatic spray feed parts 1, powder becomes ball part 2, solenoid 3, heater 4, temperature sense parts 5, gas cooling-part 6, nylon powder collecting part 7.
Electrostatic spray feed parts 1 are arranged on powder and become ball part 2 upper end, and electrostatic spray feed parts 1 become in ball part 2 for nylon powder being sent into powder.
Electrostatic spray feed parts 1 comprise powder barrel (not shown, also can not to comprise these parts), podwer gun 11 and controller (not shown).Controller makes nylon powder produce electrostatic, and nylon powder can be sprayed into powder and become in ball part 2 by podwer gun 11.
Powder becomes ball part 2 for double-decker, and its inwall forms powder balling-up room 21, and powder becomes ball part 2 upper end to offer charging hole 22, and charging hole 22 communicates with powder balling-up room 21; Powder becomes ball part 2 lower end to offer discharge opening 23, and discharge opening 23 communicates with powder balling-up room 22.
Solenoid 3 is arranged on powder and becomes bottom ball part 2, and solenoid 3 makes nylon powder be in suspended state for generation of electric field.
Solenoid 3 can adopt Intelligent current controller to regulate magnetic field intensity.
Heater 4 is arranged on powder and becomes between ball part 2 inwall and outer wall and to be positioned at both sides, powder balling-up room 2, heater 4 for being heated to the melt temperature of nylon in powder balling-up room 21 by nylon powder, nylon powder surface is melted, and under capillary effect, nylon powder is formed spherical.
Alternatively, heater 4 can be resistance heater, also can be other heaters.
Alternatively, powder becomes the inwall of ball part 2 to adopt refractory material.
Alternatively, powder becomes the outer wall of ball part 2 to adopt stainless steel material.
Temperature sense parts 5 are fixed on powder and become ball part 2 top, and temperature sense parts 5 part stretches in powder balling-up room 21.
Alternatively, temperature sense parts 5 can select thermocouple, or other temperature sense parts.
Alternatively, gas cooling-part 5 comprises liquid gas storage tank (not shown) and pipage control valve (not shown).
Alternatively, the liquefied gas passed into can be low temperature nitrogen.
Gas cooling-part 6 is arranged on powder and becomes ball part 2 inwall both sides, and gas cooling-part 6 is provided for the quick cooling curing of spherical nylon powder.
Nylon powder collecting part 7 is fixed on powder and becomes ball part 2 bottom, for collecting spherical nylon powder.
Alternatively, nylon powder collecting part 7 comprises powder collection chamber 71, collection powder electrode 72, parastat 73, spherical nylon powder holding part 74.
Collection powder electrode 72 is for assembling spherical nylon powder.Parastat 73 is for eliminating the issuable electrostatic in spherical nylon powder surface.
Spherical nylon powder holding part 74 can be receive powder tank.
Powder collection chamber 71 becomes ball part 2 to be fixedly linked with powder, powder collection chamber 71 top communicates with discharge opening 22; Powder collection chamber 71 bottom is connected with parastat 73.
Collection powder electrode 72 is arranged in powder collection chamber 71; Parastat 73 is connected with spherical nylon powder holding part 74.
Alternatively, powder collection chamber 71 can be pyramid type.
Alternatively, nylon powder suspension balling head can also comprise bracing frame 8, and bracing frame 8 becomes ball part 2 bottom to be fixedly linked with powder.
During the work of the utility model embodiment: electrostatic spray feed parts 1 make nylon powder surface produce electrostatic by controller, and nylon powder is in high degree of dispersion state and enters powder balling-up room 21, and wherein, the size controlling of nylon powder used is at 50 ~ 100 μm; The nylon powder of high degree of dispersion is subject to the electric field action of solenoid 3 and is in suspended state; Powder balling-up room 21 is heated to the melt temperature (150 ~ 250 DEG C) of nylon powder by heater 4, and is incubated a period of time and makes nylon powder melt surface, makes nylon powder globulate under capillary effect; Gas cooling-part 6 passes into low temperature nitrogen and makes the quick cooling curing of globulate nylon powder, closes solenoid 3 and removes the restriction that suspends, allow spherical nylon powder enter powder collection chamber 71; Under the effect of collection powder electrode 72, assembled by spherical nylon powder, and eliminate the issuable electrostatic in spherical nylon powder surface by parastat 73, the most spherical nylon powder loads in spherical nylon powder holding part 74.This utility model device can, according to the physicochemical characteristics of nylon powder, select suitable nylon powder to become bulb temperature within the scope of 150 ~ 250 DEG C.
Be understandable that, for the person of ordinary skill of the art, other various corresponding change and distortion can be made according to technical conceive of the present utility model, and all these change the protection domain that all should belong to the utility model claim with distortion.
Claims (9)
1. a nylon powder suspension balling head, is characterized in that, it comprises electrostatic spray feed parts, powder becomes ball part, solenoid, heater, temperature sense parts, gas cooling-part, nylon powder collecting part;
Electrostatic spray feed parts are arranged on powder balling-up component upper ends, and electrostatic spray feed parts are used for that nylon powder is sent into powder and become in ball part;
Powder becomes ball part to be double-decker, and its inwall forms powder balling-up room, and powder balling-up component upper ends offers charging hole, and charging hole communicates with powder balling-up room; Powder balling-up lower offers discharge opening, and discharge opening communicates with powder balling-up room;
Solenoid is arranged on powder balling-up feature bottom, and solenoid makes nylon powder be in suspended state for generation of electric field;
Heater to be arranged between powder balling-up member internal walls and outer wall and to be positioned at both sides, powder balling-up room, heater is used for melt temperature nylon powder being heated in powder balling-up room nylon, nylon powder surface is melted, and under capillary effect, nylon powder is formed spherical;
Temperature sense parts are fixed on powder balling-up component top, and it is indoor that a temperature sense parts part stretches into powder balling-up;
Gas cooling-part is arranged on powder balling-up member internal walls both sides, and gas cooling-part is provided for the quick cooling curing of spherical nylon powder;
Nylon powder collecting part is fixed on powder and becomes ball part bottom, for collecting spherical nylon powder.
2. nylon powder suspension balling head as claimed in claim 1, it is characterized in that, electrostatic spray feed parts comprise powder barrel, podwer gun and controller.
3. nylon powder suspension balling head as claimed in claim 1, is characterized in that, nylon powder collecting part comprises powder collection chamber, collection powder electrode, parastat, spherical nylon powder holding part;
Powder collection chamber becomes ball part to be fixedly linked with powder, and powder collection chamber top communicates with discharge opening; Powder collection chamber bottom is connected with parastat;
Collection powder electrode is arranged on powder collection indoor; Parastat is connected with spherical nylon powder holding part.
4. nylon powder suspension balling head as claimed in claim 3, it is characterized in that, powder collection chamber is pyramid type.
5. nylon powder suspension balling head as claimed in claim 1, it is characterized in that, gas cooling-part comprises liquid gas storage tank and pipage control valve.
6. nylon powder suspension balling head as claimed in claim 1, is characterized in that, powder becomes the inwall of ball part to adopt refractory material.
7. nylon powder suspension balling head as claimed in claim 1, is characterized in that, powder becomes the outer wall of ball part to adopt stainless steel material.
8. nylon powder suspension balling head as claimed in claim 1, it is characterized in that, shown heater is resistance heater.
9. nylon powder suspension balling head as claimed in claim 1, it is characterized in that, it also comprises bracing frame, and bracing frame becomes ball part bottom to be fixedly linked with powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420620973.0U CN204183750U (en) | 2014-10-24 | 2014-10-24 | Nylon powder suspension balling head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420620973.0U CN204183750U (en) | 2014-10-24 | 2014-10-24 | Nylon powder suspension balling head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204183750U true CN204183750U (en) | 2015-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420620973.0U Expired - Fee Related CN204183750U (en) | 2014-10-24 | 2014-10-24 | Nylon powder suspension balling head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204183750U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735265A (en) * | 2016-11-17 | 2017-05-31 | 安顺市虹翼特种钢球制造有限公司 | Method for processing steel ball |
| CN108501250A (en) * | 2018-04-16 | 2018-09-07 | 四川大学 | Air-flow spheroidization reactor and its method for preparing polymer matrix spherical powder material |
| CN112402395A (en) * | 2020-10-28 | 2021-02-26 | 海南卫康制药(潜山)有限公司 | Venlafaxine sustained-release capsule composition and preparation process thereof |
-
2014
- 2014-10-24 CN CN201420620973.0U patent/CN204183750U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735265A (en) * | 2016-11-17 | 2017-05-31 | 安顺市虹翼特种钢球制造有限公司 | Method for processing steel ball |
| CN108501250A (en) * | 2018-04-16 | 2018-09-07 | 四川大学 | Air-flow spheroidization reactor and its method for preparing polymer matrix spherical powder material |
| CN112402395A (en) * | 2020-10-28 | 2021-02-26 | 海南卫康制药(潜山)有限公司 | Venlafaxine sustained-release capsule composition and preparation process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20181024 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |