CN114535619A - Method for detecting and cleaning residual powder in inner cavity of multilayer rudder 3D printing piece - Google Patents
Method for detecting and cleaning residual powder in inner cavity of multilayer rudder 3D printing piece Download PDFInfo
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- CN114535619A CN114535619A CN202210043042.8A CN202210043042A CN114535619A CN 114535619 A CN114535619 A CN 114535619A CN 202210043042 A CN202210043042 A CN 202210043042A CN 114535619 A CN114535619 A CN 114535619A
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- rudder
- residual powder
- powder
- inner cavity
- detecting
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- 239000000843 powder Substances 0.000 title claims abstract description 101
- 238000004140 cleaning Methods 0.000 title claims abstract description 24
- 238000010146 3D printing Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 47
- 239000000428 dust Substances 0.000 claims abstract description 17
- 238000007664 blowing Methods 0.000 claims abstract description 9
- 239000011261 inert gas Substances 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims description 12
- 238000005516 engineering process Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
Classifications
-
- 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
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/40—Radiation means
-
- 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
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/90—Means for process control, e.g. cameras or sensors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention provides a method for detecting and cleaning residual powder in an inner cavity of a multilayer rudder 3D printing piece, which is characterized in that firstly, a printed rudder part with a multilayer structure is fixed on a fixing plate in a detection bin through a base plate of the rudder part; introducing inert gas into the detection bin, then opening a blower and a dust collector, introducing the inert gas into the detection bin through the blower to clean the residual powder on the surface of the rudder part, and absorbing and recovering the cleaned residual powder through the dust collector; detecting residual powder in an outer rudder inner cavity by using an X-ray instrument positioned at the top of the detection bin, and detecting residual powder in a middle rudder inner cavity by using a camera at the end part of the blowing nozzle to obtain the position and the quantity of the residual powder; the angle of the powder cleaning hole reserved by the adjusting rudder is adjusted by rotating the fixing plate through the rotating shaft, so that the air blower can conveniently clean the inner cavity to participate in powder cleaning, or the residual powder in the inner cavity is cleaned by adjusting the angle and combining with the blowing nozzle. The invention can solve the problem that the residual powder of rudder parts is difficult to detect and clean.
Description
Technical Field
The invention belongs to the technical field of 3D printing, and particularly relates to a method for detecting and cleaning residual powder in an inner cavity of a multi-layer rudder 3D printed piece.
Background
The raw and other materials powder that 3D printed the use is the micron order mostly, prints the shaping back, and there is a large amount of unnecessary residual powder inside the part, and the adhesion can take place for incomplete powder is heated, when reducing part surface quality, still can block up part inner structure, finally influences the normal use of part. Therefore, the residual powder on the surface and inside of the part must be cleaned before the part is heat treated. Along with the development of 3D printing technology, the complexity of 3D printing parts is higher and higher, so that the difficulty of powder cleaning work is increased, particularly, the powder residual position of a 3D printing piece with a complex inner cavity structure is difficult to directly observe, and the residual powder is extremely difficult to clean; in addition, when a plurality of parts are printed on one substrate, the general method is difficult to completely detect the residual powder in the inner cavity of the part, which also greatly increases the difficulty of cleaning the residual powder. Due to the characteristics that the 3D printing rapid technology is rapid in forming and direct in manufacturing, formed metal parts can approach or reach the performance of a forging piece and the like, the connection between industries such as aerospace and medical appliances and the like and 3D printing is more and more tight, and the application and popularization of the 3D printing technology are limited to a certain extent by the problems of detection and cleaning of residual powder. 3D printing technology also puts great market demands on powder detection and powder cleaning while developing at a high speed.
Disclosure of Invention
The invention aims to provide a method for detecting and cleaning residual powder in an inner cavity of a multi-layer rudder 3D printing piece, and the method is used for solving the problem that the residual powder of rudder parts is difficult to detect and clean.
The technical solution for realizing the purpose of the invention is as follows:
a method for detecting and cleaning residual powder in an inner cavity of a multi-layer rudder 3D printing piece,
firstly, fixing the printed rudder part with a multilayer structure on a fixing plate in a detection bin through a base plate of the rudder part;
introducing inert gas into the detection bin, then opening a blower and a dust collector, introducing the inert gas into the detection bin through the blower to clean the residual powder on the surface of the rudder part, and absorbing and recovering the cleaned residual powder through the dust collector;
detecting residual powder in an outer rudder inner cavity by using an X-ray instrument positioned at the top of the detection bin, and detecting the residual powder in a middle rudder inner cavity by using a glove box fixed on the detection bin and a camera at the end part of the blowing nozzle to obtain the position and the quantity of the residual powder;
the angle of the powder cleaning hole reserved by the adjusting rudder is adjusted by rotating the fixing plate through the rotating shaft, so that the air blower can conveniently clean the inner cavity to participate in powder cleaning, or the residual powder in the inner cavity is cleaned by adjusting the angle and combining with the blowing nozzle.
Compared with the prior art, the invention has the following remarkable advantages:
(1) the invention solves the problem that when a plurality of rudder parts are printed on one substrate, the residual powder of the rudder parts is difficult to detect and clean. The quantity and the position of the residual powder are detected firstly, and then the powder is cleaned and recovered by adopting proper parameters, so that the residual powder is cleaned efficiently and energy-saving.
(2) In the operation process, under the action of the blower and the dust collector, the air flows in a single direction, and the residual powder can be effectively cleaned.
(3) The powder is cleaned and recovered under the protection of inert gas, so that the conditions of environmental pollution, harm to the health of operators, waste of powder raw materials and the like are avoided.
Drawings
Fig. 1 is a front sectional view of the main body of the apparatus of this patent.
Fig. 2 is a schematic view of a powder detection hose.
Fig. 3 is a schematic diagram of a one-substrate printed four rudder pieces.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
With reference to fig. 1-3, the method for detecting and cleaning residual powder in the inner cavity of a multi-layer rudder 3D printed product according to the present embodiment is based on a detection device including an X-ray apparatus 1, a powder detection hose 2, an air blower 3, a dust collector 4, a glove box 5, an air circulation system 6, an air content detector 7, an air inlet pipe 8, an air outlet pipe 9, a powder collection pipeline 10, an apparatus main body 11, a detection cabin 12, a working platform 13, a powder collection cabin 14, and an air blower cabin 15. The X-ray instrument 1 is fixedly connected to the detection cabin 12, one end of the powder detection hose 2 is installed and connected to the detection cabin 12, the specific structure of the powder detection hose 2 is a movable hose 201, a camera 202 and an air blowing nozzle 203, the camera 202 is mounted at the end of the movable hose 201, the air blowing nozzle 203 is mounted at the end of the movable hose 201, the blower 3 is arranged in a blower cabin 15, an air inlet pipe 8 is arranged at the top of the blower cabin 15, the bottom of the blower cabin is connected with a detection cabin 12, the blower 3 is connected with a power line of the instrument main body 10 through a lead, the lower end of the blower 3 is communicated with the detection cabin 12 through an air outlet pipe 9, the dust collector 4 is fixed at the bottom of the detection cabin 12, the dust collector 4 is connected to a power line of the instrument main body 11 through a lead, the powder collecting cabin 14 is positioned under the dust collector 4 and is connected with the dust collector 4 through a powder collecting pipeline 10. The bottom of the detection cabin 12 is in a horn shape with an upward opening, so that residual powder can be conveniently collected. Glove box 5 is fixed on detection cabin 12, gas circulation system 6 is fixed on the detection cabin, and gas circulation system passes through the power cord that the wire is connected to instrument main part 11, gas content detector 7 is fixed on the detection cabin, and gas content detector 7 passes through the power cord that the wire is connected to instrument main part 11, work platform 13 is located detection cabin 12 middle zone, work platform 13's concrete structure is: a fixed plate 1301 and a rotating rod 1302, wherein two ends of the rotating rod 1302 are respectively connected to the fixed plate 1301 and the detection chamber 12.
Wherein, the number of the glove boxes 5 is 2, and the number of the rotating rods 1302 is 2.
Wherein, the air inlet pipe 8 can input different gases according to requirements.
The working principle is as follows: according to the method for detecting and cleaning the residual powder in the inner cavity of the 3D printing complex structure, the residual powder is detected and cleaned in the state shown in figure 1. Before operation, the 3D printing part shown in fig. 3 is fixed on the fixing plate 1301 of the working platform 13, the gas circulation system 6 is used to fill the instrument body 11 with the required inert gas, the gas content in the instrument body 11 is observed through the gas detector 7 (or the pressure detector), and when the gas in the instrument body 11 meets the requirement, the residual powder is detected and cleaned. And opening the blower 3 and the dust collector 4 to clean the residual powder on the surface of the part. And detecting the residual powder in the inner cavity of the part by using an X-ray instrument 1, and judging the position and the quantity of the residual powder. As shown in fig. 3, 4 pieces of rudder parts are printed on one substrate, only the residual powder inside the rudder 1 and the rudder 4 parts positioned on the outer side can be detected by the X-ray apparatus 1, the residual powder inside the rudder 2 and the rudder 3 positioned in the middle is difficult to detect by the X-ray apparatus 1, and then the position and the amount of the residual powder in the inner cavity of the parts are further detected by the powder detection hose 2 through the glove box 5; stretch into powder detection hose 2 and go into the clear powder hole that 1 part top of rudder was reserved, confirm 1 inside incomplete powder position of rudder and quantity, later through rotating different angles, clear up the powder in the powder hole, if meet the condition that the remaining powder of part inner chamber is difficult to the clearance, can use the air blowing nozzle 203 on powder detection hose 2 top to blow the incomplete powder, accomplish the clearance of incomplete powder under the effect of air current. The part residual powder cleaning of the rudder 2, the rudder 3 and the rudder 4 is consistent with that of the rudder 1. The air finally flows to the dust collector 4 through the air inlet pipe 8, the blower 3 and the air outlet pipe 9, and in the process, air flow with certain strength can be formed, the residual powder on the surface and in the inner cavity of the part can be effectively cleaned under the action of the air flow, and in the period, the angle of the working platform can be adjusted by rotating the rotating rod of the working platform, so that the residual powder can be more effectively cleaned; in addition, the residual powder in the powder collecting cabin can be recycled or treated as waste as required.
According to the invention, gas can be introduced according to needs, residual powder recovered in the powder chamber is collected under the condition of inert gas, and after treatment such as screening and detection, the residual powder can be used as a raw material for printing parts again.
In the invention, the working platform 13 can rotate 360 degrees around the rotating rod 1302, so that residual powder in the inner cavity of the part can be cleaned more effectively.
In the invention, the working parameters of the blower 3 and the dust collector 4 are judged by detecting the position and the quantity of the residual powder in the inner cavity of the 3D printing part, and the optimization is carried out according to the process requirements.
In the invention, residual powder in the detection cabin can be brought into the powder collecting cabin by airflow generated by the blower and the dust collector, so that the detection cabin is effectively cleaned, and the detection cabin can be further stretched into the glove box to be deeply cleaned through the powder detection hose 2 when necessary.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (5)
1. A method for detecting and cleaning residual powder in an inner cavity of a multi-layer rudder 3D printing piece is characterized in that,
firstly, fixing the printed rudder part with a multilayer structure on a fixing plate in a detection bin through a base plate of the rudder part;
introducing inert gas into the detection bin, then opening a blower and a dust collector, introducing the inert gas into the detection bin through the blower to clean the residual powder on the surface of the rudder part, and absorbing and recovering the cleaned residual powder through the dust collector;
detecting residual powder in an outer rudder inner cavity by using an X-ray instrument positioned at the top of the detection bin, and detecting the residual powder in a middle rudder inner cavity by using a glove box fixed on the detection bin and a camera at the end part of the blowing nozzle to obtain the position and the quantity of the residual powder;
the angle of the powder cleaning hole reserved by the adjusting rudder is rotated through the rotating shaft to ensure that the air blower can conveniently clean the inner cavity by participating in powder cleaning, or the residual powder in the inner cavity can be cleaned by adjusting the angle and combining with the air blowing nozzle.
2. The method for detecting and cleaning the residual powder in the inner cavity of the multi-layer rudder 3D printing piece according to claim 1, wherein the air blower is arranged in an air blower cabin, an air inlet pipe is arranged at the top of the air blower cabin, and the bottom of the air blower cabin is connected with the detection cabin; the lower end of the air blower is communicated with the detection cabin through an air outlet pipe.
3. The method for detecting and cleaning the residual powder in the inner cavity of the multi-layer rudder 3D printing piece according to claim 1, wherein the dust collector is fixed at the bottom of the detection cabin and is connected with the powder collecting cabin through a powder collecting pipeline.
4. The method for detecting and cleaning the residual powder in the inner cavity of the multi-layer rudder 3D printing piece according to claim 1, wherein a gas detector is arranged in the detection cabin and used for detecting the content of gas in the detection cabin, and when the content meets the requirement, the residual powder is detected and cleaned.
5. The method for detecting and cleaning residual powder in the inner cavity of the multi-layer rudder 3D printing piece according to claim 1, wherein the bottom of the detection cabin is in a horn shape with an upward opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210043042.8A CN114535619A (en) | 2022-01-14 | 2022-01-14 | Method for detecting and cleaning residual powder in inner cavity of multilayer rudder 3D printing piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210043042.8A CN114535619A (en) | 2022-01-14 | 2022-01-14 | Method for detecting and cleaning residual powder in inner cavity of multilayer rudder 3D printing piece |
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| Publication Number | Publication Date |
|---|---|
| CN114535619A true CN114535619A (en) | 2022-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210043042.8A Pending CN114535619A (en) | 2022-01-14 | 2022-01-14 | Method for detecting and cleaning residual powder in inner cavity of multilayer rudder 3D printing piece |
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| CN (1) | CN114535619A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204639135U (en) * | 2015-05-19 | 2015-09-16 | 湖南华曙高科技有限责任公司 | The clear powder equipment of a kind of selective laser sintering |
| CN105170988A (en) * | 2015-09-28 | 2015-12-23 | 华南理工大学 | Method and device for recycling residual powder on metal material increase manufacturing substrate |
| CN107671292A (en) * | 2017-11-13 | 2018-02-09 | 成都优材科技有限公司 | The apparatus and method for reclaiming residual powder on SLM shaping substrates |
| CN107906298A (en) * | 2017-12-06 | 2018-04-13 | 苏州市燃气设备阀门制造有限公司 | Pipe plugging system |
| CN108405861A (en) * | 2018-06-08 | 2018-08-17 | 北京易加三维科技有限公司 | Powder cleaning device and powder method for cleaning for metal increasing material manufacturing equipment |
| CN207952146U (en) * | 2017-12-06 | 2018-10-12 | 苏州市燃气设备阀门制造有限公司 | Blowing pipeline device |
| CN109550950A (en) * | 2018-11-12 | 2019-04-02 | 华南理工大学 | A kind of automation powder recovering device |
| CN110328334A (en) * | 2019-08-13 | 2019-10-15 | 西安西工大超晶科技发展有限责任公司 | A kind of sand mold and sand core method for cleaning of selective laser sintering precoated sand raw material |
| CN110496964A (en) * | 2019-08-23 | 2019-11-26 | 北京星航机电装备有限公司 | A kind of selective laser fusing forming product cavity shakes clear powder and inner surface finishing equipment |
| US20200130267A1 (en) * | 2018-12-29 | 2020-04-30 | Huazhong University Of Science And Technology | Method for controlling deformation and precision of parts in parallel during additive manufacturing process |
| US20200182808A1 (en) * | 2018-12-07 | 2020-06-11 | General Electric Company | Alloy powder cleanliness inspection using computed tomography |
-
2022
- 2022-01-14 CN CN202210043042.8A patent/CN114535619A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204639135U (en) * | 2015-05-19 | 2015-09-16 | 湖南华曙高科技有限责任公司 | The clear powder equipment of a kind of selective laser sintering |
| CN105170988A (en) * | 2015-09-28 | 2015-12-23 | 华南理工大学 | Method and device for recycling residual powder on metal material increase manufacturing substrate |
| CN107671292A (en) * | 2017-11-13 | 2018-02-09 | 成都优材科技有限公司 | The apparatus and method for reclaiming residual powder on SLM shaping substrates |
| CN107906298A (en) * | 2017-12-06 | 2018-04-13 | 苏州市燃气设备阀门制造有限公司 | Pipe plugging system |
| CN207952146U (en) * | 2017-12-06 | 2018-10-12 | 苏州市燃气设备阀门制造有限公司 | Blowing pipeline device |
| CN108405861A (en) * | 2018-06-08 | 2018-08-17 | 北京易加三维科技有限公司 | Powder cleaning device and powder method for cleaning for metal increasing material manufacturing equipment |
| CN109550950A (en) * | 2018-11-12 | 2019-04-02 | 华南理工大学 | A kind of automation powder recovering device |
| US20200182808A1 (en) * | 2018-12-07 | 2020-06-11 | General Electric Company | Alloy powder cleanliness inspection using computed tomography |
| US20200130267A1 (en) * | 2018-12-29 | 2020-04-30 | Huazhong University Of Science And Technology | Method for controlling deformation and precision of parts in parallel during additive manufacturing process |
| CN110328334A (en) * | 2019-08-13 | 2019-10-15 | 西安西工大超晶科技发展有限责任公司 | A kind of sand mold and sand core method for cleaning of selective laser sintering precoated sand raw material |
| CN110496964A (en) * | 2019-08-23 | 2019-11-26 | 北京星航机电装备有限公司 | A kind of selective laser fusing forming product cavity shakes clear powder and inner surface finishing equipment |
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