CN108284596A - A kind of powder cooling device - Google Patents
A kind of powder cooling device Download PDFInfo
- Publication number
- CN108284596A CN108284596A CN201810134274.8A CN201810134274A CN108284596A CN 108284596 A CN108284596 A CN 108284596A CN 201810134274 A CN201810134274 A CN 201810134274A CN 108284596 A CN108284596 A CN 108284596A
- Authority
- CN
- China
- Prior art keywords
- air
- cooling device
- plate
- flow velocity
- powder
- 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.)
- Pending
Links
- 239000000843 powder Substances 0.000 title claims abstract description 38
- 238000001816 cooling Methods 0.000 title claims abstract description 29
- 238000003825 pressing Methods 0.000 claims abstract description 30
- 239000011261 inert gas Substances 0.000 claims abstract description 5
- 238000001914 filtration Methods 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000007493 shaping process Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 5
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/16—Cooling
-
- 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
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/16—Cooling
- B29C2035/1658—Cooling using gas
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
Abstract
The present invention relates to a kind of powder cooling devices, including positioning device, pressing device, cooling device and control terminal.Positioning device is for fixing and preserving powder packet；Pressing device is arranged in the upper end of positioning device, can put in positioning device and pressurize to fixed powder packet；Cooling device is connected in positioning device, and logical inert gas, to cool down powder packet；Control terminal is electrically connected with positioning device, pressing device and cooling device.The present invention cools down hot-working class powder entirety fast shaping, reduces the texturing quality problem of product, significantly improving production efficiency, and has anti-blockage function.
Description
Technical field
The present invention relates to selective laser powder sintered (SLS), more jet streams to melt the processing of the powder heat fusings such as the field (MJF)
Technical field more particularly to a kind of powder cooling device.
Background technology
Powder sintered (SLS) technology of selective laser makees the energy using infrared laser, and the Modeling Material used is mostly powder
Powder material.When processing, powder is preheating to the temperature of slightly less than its fusing point first, then by powder under the action of striking off rod cylinder
It paves；Laser beam is selectively sintered according to layering cross section information under the control of the computer, is carried out down again after the completion of one layer
One layer of sintering, removes extra powder after being all sintered, then can be obtained by a part sintered.After shaping, whole
Temperature is higher, if sizing can not be quickly cooled down, it is easy to and cause product to deform upon, in turn results in serious quality problems,
Seriously affect production efficiency simultaneously.
More jet stream melting (MJF) technologies spread one layer of uniform powder, thermal jet head on the table by equipment power spreading device
It from left to right sprays chemical reagent, and melts the material for specifying region by heating source above, and then power spreading device is again
Powdering, thermal jet head then spill reagent and heating again, move in circles until molding.Melting reagent is sprayed at the area for needing to melt
The quality and speed of material melts are improved in domain, and treatment of details reagent is sprayed at the edge for melting region, ensures edge surface light
Sliding and accurate molding.After shaping, bulk temperature is higher, if sizing can not be quickly cooled down, it is easy to product be caused to be sent out
Raw deformation, in turn results in serious quality problems, while seriously affecting production efficiency.
Invention content
The purpose of the present invention is being directed to above-mentioned present situation, a kind of powder cooling device is provided.
The technical solution adopted by the present invention：A kind of powder cooling device, including：
Positioning device, the positioning device include babinet, positioning chamber, support plate, the side lower end of the babinet be equipped with into
Material mouth, the feeding mouth are equipped with openable pan feeding door, and the support plate is horizontally set on the inside of the babinet, described fixed
Position chamber is installed in the top of the box house, and the support plate is connect with a jacking cylinder, makes the support plate can be
It is slid vertically between the feeding mouth and the positioning chamber, the middle part of the support plate is equipped with first through hole；
Pressing device, the pressing device include lifting motor, electronic pressure gage, compress holder and pressing plate, the lifting
Motor is arranged at the top of the babinet, and the electronic pressure gage is electrically connected with the lifting motor, and when institute's measuring pressure reaches
Keep the pressure of the lifting motor after to preset value, it is described compress holder be arranged the lifting motor output end and can edge
Vertical direction move, the pressing plate be horizontally set on it is described compress holder lower end and can move synchronously into the positioning chamber with
The positioning chamber is sealed, the middle part of the pressing plate is equipped with the second through-hole；
Cooling device, the cooling device include gas tank, air inlet pipe, inlet air filtration plate, outlet filter plate and escape pipe, institute
It states gas tank to have inert gas and be arranged in the outside of the babinet, one end of the air inlet pipe is connected to gas tank, and the other end prolongs
Inlet air filtration plate is extended to, the inlet air filtration plate is embedded the first through hole in the pressing plate；The outlet filter plate is embedded in institute
The second through hole of support plate is stated, the lower face of the outlet filter plate is equipped with the escape pipe.
The present invention effect be：Hot-working class powder entirety fast shaping is cooled down, the texturing quality problem of product is reduced,
Significantly improving production efficiency, and there is anti-blockage function.
Description of the drawings
Fig. 1 is a kind of schematic diagram of powder cooling device of the present invention.
Specific implementation mode
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in Figure 1, a kind of powder cooling device provided by the invention, including positioning device 1, pressing device 2, cooling dress
Set 3 and control terminal 4.Positioning device 1 is for fixing and preserving powder packet；Pressing device 2 is arranged in the upper end of positioning device 1,
It can put in positioning device 1 and pressurize to fixed powder packet；Cooling device 3 is connected in positioning device 1, and logical indifferent gas
Body, such as nitrogen, argon gas other inert gases, to cool down powder packet；Control terminal 4 and positioning device 1, pressing device 2 and cold
But device 3 is electrically connected.
Positioning device 1 includes babinet 10, positioning chamber 11, support plate 12, wherein the side lower end of babinet 10 is equipped with pan feeding
Mouthful, feeding mouth is equipped with openable pan feeding door 10A, and support plate 12 is horizontally set on the inside of babinet 10, and positioning chamber 11 is fixed
Top inside babinet 10, and support plate 12 is connect with a jacking cylinder, makes support plate 12 can be in feeding mouth and positioning chamber
It is slid vertically between 11, and powder packet is sent to from feeding mouth in positioning chamber 11, the middle part of support plate 12 is equipped with first through hole.
It should be noted that positioning chamber 11 has a rectangular side wall 110, powder packet enter after positioning chamber 10 with side wall 110
It fits closely, and the lower edge of side wall 110 is equipped with silica gel strip, is avoided in this way when support plate 12 and positioning chamber 11 contact just
Property collision, while there is good seal.
Further, the upper end-face edge of side wall 110 is inclined outwardly to form guide plate 111.
Further, positioning chamber 11 can also have cylindrical side wall 110.
Further, a plurality of cooling pipe is equipped between side wall 110 and babinet 10, cooling pipe is sticked in the outer of side wall 110
Side.
With continued reference to Fig. 1, pressing device 2 includes lifting motor 21, electronic pressure gage 22, compresses holder 23 and pressing plate 24.
Lifting motor 21 is arranged at the top of babinet 10, and electronic pressure gage 22 is electrically connected with lifting motor 21, is read pressure in real time, is worked as pressure
Power reaches the pressure that lifting motor 21 is kept after preset value, compress holder 23 be arranged lifting motor 21 output end and can be along erecting
To reciprocating motion, pressing plate 24 is horizontally set on the lower end for compressing holder 23 and synchronizes vertically moving to positioning chamber 11 histogram
In and seal positioning chamber 11.
The middle part of pressing plate 24 is equipped with the second through-hole.
It should be noted that pressing plate 24 has 11 identical cross section of positioning chamber, also, the edge of pressing plate 24 is equipped with and can press
The silica gel strip of contracting when pressing plate 24 moves downward, is exactly into positioning chamber, simultaneously by the effect of the guide plate 111 of side wall 110
Silica gel strip maintains the leakproofness between side wall and pressing plate 24.
Cooling device 3 includes gas tank 31, air inlet pipe 32, inlet air filtration plate 33, outlet filter plate 34 and escape pipe 35.Gas tank
31 are arranged in the outside of babinet 10, and one end of air inlet pipe 32 is connected to gas tank 31, and the other end extends to inlet air filtration plate 33, air inlet
Filter plate 33 is embedded the first through hole in pressing plate 22, and inlet air filtration plate 33 is made to be moved synchronously with pressing plate 22；Outlet filter plate 34 is embedding
It is located at the second through hole of support plate 12, outlet filter plate 34 is made to be moved synchronously with support plate 12.
It should be noted that the diameter of the filter opening of inlet air filtration plate 33 and outlet filter plate 34 is less than 0.03mm.
Further, air inlet pipe 32 is equipped with air pressure regulator 321 and the first air-flow velocity inductor 322, escape pipe 35 are set
There are thermometer 351 and the second air-flow velocity inductor 352.First air-flow velocity inductor 322 detects induction air flow ratio, control pressure
Regulating valve 321 makes charge flow rate reach preset flow value, and keeps；Air outlet temperature is measured with chronothermometer 351, works as air outlet temperature
After reaching preset temperature, automatic or manual closes the first air-flow velocity inductor 322, and escape pipe 35 is equipped with thermometer 351 and the
Second-rate flow-rate sensors 352.
It should be noted that in air blowing process, powder packet receives downward wind-force, is easy to happen and blocks outlet filter plate
33, therefore in support plate 12 multiple lifting pins 120 are equipped with along the edge of first through hole.When 352 institute of the second air-flow velocity inductor
After the air-flow of induction is less than preset value, lifting pin 120 starts, and the part that powder packet is located to outlet filter plate 34 struts.
Control terminal 4 is arranged in the outside of babinet 10 comprising display 41 and processor 42, processor 42 and display
41, the jacking cylinder in positioning device 1, lifting motor 21, electronic pressure gage 22, air pressure regulator 321, the first air-flow velocity sense
Answer device 322, thermometer 351, the electrical connection of the second air-flow velocity inductor 352.41 real-time display electronic pressure gage 22 of display
The air-flow velocity and thermometer that institute's measuring pressure, the first air-flow velocity inductor 322 and the second air-flow velocity inductor 352 are surveyed
351 temperature surveyed.
The present invention cools down hot-working class powder entirety fast shaping, reduces the texturing quality problem of product, significantly carries
Production efficiency is risen, and there is anti-blockage function.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of powder cooling device, which is characterized in that including：
Positioning device, the positioning device include babinet, positioning chamber, support plate, and the side lower end of the babinet is equipped with feeding mouth,
The feeding mouth is equipped with openable pan feeding door, and the support plate is horizontally set on the inside of the babinet, the positioning chamber
It is installed in the top of the box house, and the support plate is connect with a jacking cylinder, makes the support plate can be described
It is slid vertically between feeding mouth and the positioning chamber, the middle part of the support plate is equipped with first through hole；
Pressing device, the pressing device include lifting motor, electronic pressure gage, compress holder and pressing plate, the lifting motor
It is arranged at the top of the babinet, the electronic pressure gage is electrically connected with the lifting motor, and when institute's measuring pressure reaches pre-
If keeping the pressure of the lifting motor after value, it is described compress holder be arranged the lifting motor output end and can be along vertical
Direction moves, and the pressing plate is horizontally set on the lower end for compressing holder and can move synchronously into the positioning chamber to seal
The middle part of the positioning chamber, the pressing plate is equipped with the second through-hole；
Cooling device, the cooling device include gas tank, air inlet pipe, inlet air filtration plate, outlet filter plate and escape pipe, the gas
Tank has inert gas and is arranged in the outside of the babinet, and one end of the air inlet pipe is connected to inert gas source, the other end
Inlet air filtration plate is extended to, the inlet air filtration plate is embedded the first through hole in the pressing plate；The outlet filter plate is embedded
The lower face of second through hole of the support plate, the outlet filter plate is equipped with the escape pipe.
2. a kind of powder cooling device according to claim 1, which is characterized in that the positioning chamber has rectangular side
Wall, and the upper end-face edge of the side wall is inclined outwardly to form guide plate, the lower edge of the side wall is equipped with silica gel strip.
3. a kind of powder cooling device according to claim 2, which is characterized in that the outside of the side wall is in equipped with a plurality of
The cooling pipe of S-shaped.
4. a kind of powder cooling device according to claim 3, which is characterized in that the pressing plate has the positioning chamber phase
Same cross section, and the edge of the pressing plate is equipped with compressible silica gel strip.
5. a kind of powder cooling device according to claim 4, which is characterized in that inlet air filtration plate and outlet filter plate
The diameter of filter opening is respectively less than 0.03mm.
6. a kind of powder cooling device according to claim 5, which is characterized in that the air inlet pipe is equipped with air pressure adjustment
Valve and the first air-flow velocity inductor, the escape pipe are equipped with thermometer and the second air-flow velocity inductor.
7. a kind of powder cooling device according to claim 6, which is characterized in that the support plate is along the first through hole
Edge be equipped with multiple lifting pins to move up and down, when the air-flow that the second air-flow velocity inductor is incuded be less than it is default
After value, the lifting pin starts.
8. a kind of powder cooling device according to claim 7, which is characterized in that further include being arranged on the outside of the babinet
Control terminal, the control terminal includes display and processor, the processor and the display, the positioning device
In the jacking cylinder, the lifting motor, the electronic pressure gage, the air pressure regulator, first air-flow velocity
Inductor, the thermometer and the second air-flow velocity inductor electrical connection；Electronics pressure described in the display real-time display
The air-flow velocity that institute's measuring pressure, the first air-flow velocity inductor and the second air-flow velocity inductor of power table are surveyed with
And the temperature that the thermometer is surveyed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810134274.8A CN108284596A (en) | 2018-02-09 | 2018-02-09 | A kind of powder cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810134274.8A CN108284596A (en) | 2018-02-09 | 2018-02-09 | A kind of powder cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108284596A true CN108284596A (en) | 2018-07-17 |
Family
ID=62832690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810134274.8A Pending CN108284596A (en) | 2018-02-09 | 2018-02-09 | A kind of powder cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108284596A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110948877A (en) * | 2019-12-24 | 2020-04-03 | 安徽中健三维科技有限公司 | Cooling device applied to LCD3D printer |
| CN116100811A (en) * | 2023-04-14 | 2023-05-12 | 易加三维增材技术(杭州)有限公司 | Printing part forming method and device, electronic equipment and nonvolatile storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4751501A (en) * | 1981-10-06 | 1988-06-14 | Honeywell Inc. | Variable air volume clogged filter detector |
| JPH0263519A (en) * | 1988-08-30 | 1990-03-02 | Mitsubishi Electric Corp | Air flow rate control device for air cleaner |
| US5622577A (en) * | 1995-08-28 | 1997-04-22 | Delco Electronics Corp. | Rapid prototyping process and cooling chamber therefor |
| US20060100796A1 (en) * | 2004-03-22 | 2006-05-11 | Jacob Fraden | Clogging detector for air filter |
| US20060219671A1 (en) * | 2005-03-31 | 2006-10-05 | 3D Systems, Inc. | Thermal management system for a removable build chamber for use with a laser sintering system |
| JP2017144594A (en) * | 2016-02-16 | 2017-08-24 | 株式会社アスペクト | Refrigeration optimization device and refrigeration optimization method |
| CN206543627U (en) * | 2017-01-18 | 2017-10-10 | 苏州市高凡生物科技有限公司 | A kind of organic garbage crushing device with dredging mechanism |
| CN107257729A (en) * | 2014-12-23 | 2017-10-17 | 瑞尼斯豪公司 | Increasing material manufacturing apparatus and method |
| CN207901671U (en) * | 2018-02-09 | 2018-09-25 | 武汉萨普科技股份有限公司 | A kind of powder cooling device |
-
2018
- 2018-02-09 CN CN201810134274.8A patent/CN108284596A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4751501A (en) * | 1981-10-06 | 1988-06-14 | Honeywell Inc. | Variable air volume clogged filter detector |
| JPH0263519A (en) * | 1988-08-30 | 1990-03-02 | Mitsubishi Electric Corp | Air flow rate control device for air cleaner |
| US5622577A (en) * | 1995-08-28 | 1997-04-22 | Delco Electronics Corp. | Rapid prototyping process and cooling chamber therefor |
| US20060100796A1 (en) * | 2004-03-22 | 2006-05-11 | Jacob Fraden | Clogging detector for air filter |
| US20060219671A1 (en) * | 2005-03-31 | 2006-10-05 | 3D Systems, Inc. | Thermal management system for a removable build chamber for use with a laser sintering system |
| CN107257729A (en) * | 2014-12-23 | 2017-10-17 | 瑞尼斯豪公司 | Increasing material manufacturing apparatus and method |
| JP2017144594A (en) * | 2016-02-16 | 2017-08-24 | 株式会社アスペクト | Refrigeration optimization device and refrigeration optimization method |
| CN206543627U (en) * | 2017-01-18 | 2017-10-10 | 苏州市高凡生物科技有限公司 | A kind of organic garbage crushing device with dredging mechanism |
| CN207901671U (en) * | 2018-02-09 | 2018-09-25 | 武汉萨普科技股份有限公司 | A kind of powder cooling device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110948877A (en) * | 2019-12-24 | 2020-04-03 | 安徽中健三维科技有限公司 | Cooling device applied to LCD3D printer |
| CN110948877B (en) * | 2019-12-24 | 2021-06-08 | 安徽中健三维科技有限公司 | Cooling device applied to LCD3D printer |
| CN116100811A (en) * | 2023-04-14 | 2023-05-12 | 易加三维增材技术(杭州)有限公司 | Printing part forming method and device, electronic equipment and nonvolatile storage medium |
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