CN114147235A - Powder cleaning hole plugging device and method for selective laser melting forming wing rudder structure - Google Patents
Powder cleaning hole plugging device and method for selective laser melting forming wing rudder structure Download PDFInfo
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- CN114147235A CN114147235A CN202111216299.0A CN202111216299A CN114147235A CN 114147235 A CN114147235 A CN 114147235A CN 202111216299 A CN202111216299 A CN 202111216299A CN 114147235 A CN114147235 A CN 114147235A
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- 239000000843 powder Substances 0.000 title claims abstract description 98
- 238000004140 cleaning Methods 0.000 title claims abstract description 88
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000002844 melting Methods 0.000 title claims abstract description 20
- 230000008018 melting Effects 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 52
- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 230000000903 blocking effect Effects 0.000 claims abstract description 24
- 238000012360 testing method Methods 0.000 claims description 23
- 238000003466 welding Methods 0.000 claims description 13
- 238000000105 evaporative light scattering detection Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000654 additive Substances 0.000 abstract description 3
- 230000000996 additive effect Effects 0.000 abstract description 3
- 238000010923 batch production Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009659 non-destructive testing Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013461 design 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
- 238000005242 forging Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/60—Treatment of workpieces or articles after build-up
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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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
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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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/80—Data acquisition or data processing
- B22F10/85—Data acquisition or data processing for controlling or regulating additive manufacturing processes
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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
- 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
- B22F12/80—Plants, production lines or modules
- B22F12/88—Handling of additively manufactured products, e.g. by robots
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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
- 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
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- 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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
- B33Y40/20—Post-treatment, e.g. curing, coating or polishing
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- 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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- 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
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- Materials Engineering (AREA)
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- Analytical Chemistry (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
Abstract
The invention relates to a device and a method for blocking powder cleaning holes of a wing rudder structure formed by selective laser melting, which comprises a blocking bracket, a blocking device, a position identification and feedback module, a quality detection module, a control terminal and a transmission module, wherein the blocking device is arranged on the blocking bracket; the plugging device is connected with the plugging device, the position identification and feedback module, the quality detection module and the transmission module, and the control terminal is connected with the plugging device, the position identification and feedback module, the quality detection module and the transmission module respectively to control the plugging process. The technical scheme of the invention can realize high-quality plugging of the powder cleaning holes of the wing rudder structure and realize automatic high-efficiency plugging; the rapid quality detection of the plugging position can be realized; and the requirement of blocking powder cleaning holes in batches generated by batch production of the wing rudder structure of the laser selection area can be met, so that the automation level of the whole additive manufacturing process is improved.
Description
Technical Field
The invention relates to the field of additive manufacturing post-treatment, in particular to a device and a method for blocking powder cleaning holes of a wing rudder structure formed by selective laser melting.
Background
The selective laser melting forming technology comprises the steps of selectively irradiating metal powder which is spread in advance through a focused laser light source, and stacking the metal powder layer by layer to form a three-dimensional metal part. Compared with the traditional casting and forging technology, the selective laser melting and forming technology can obtain a rapidly solidified non-equilibrium structure, has the advantages of fine internal crystal grains, excellent comprehensive mechanical properties, capability of forming parts with any complex structure and the like, provides a new idea for the lightweight, topological optimization design and manufacture of aircraft structures, and becomes an important development direction for advanced manufacture in the aerospace field.
The wing rudder with the closed inner cavity is integrally manufactured by utilizing the selective laser melting forming technology, but due to the technical characteristics of selective laser melting, a large amount of metal powder can be reserved in the inner cavity of the wing rudder, so that a plurality of powder through holes need to be designed at the bottom or the top of the wing rudder, and the powder in the closed inner cavity is removed after the wing rudder is formed. Meanwhile, in order to meet the requirement of pneumatic control in the flight process of the wing rudder structure, the powder cleaning holes need to be plugged after powder is cleaned. The plugging of the powder cleaning hole of the wing rudder needs to be considered in a key way: firstly, the welding quality is ensured; secondly, the plugging depth is ensured; and thirdly, the excess materials are prevented from falling into the inner cavity of the wing rudder. After plugging is completed, next delivery can be carried out only if the requirements of nondestructive testing are met.
The existing powder cleaning hole plugging process adopts a manual argon arc welding process, but the process has the defects of large influence of human factors, uneven welding depth, uneven weld quality and the like, and the plugged wing rudder is frequently reworked due to the plugging quality after nondestructive testing. How to effectively block the powder cleaning holes of the wing rudder structure formed by selective laser melting becomes a technical problem to be solved urgently at present.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides an automatic and efficient plugging device and a plugging method for powder cleaning holes of a selective laser melting forming wing rudder structure, so that the powder cleaning holes of the selective laser melting forming wing rudder structure can be plugged efficiently.
The above technical object of the present invention will be achieved by the following technical solutions.
A powder cleaning hole plugging device of a selective laser melting forming wing rudder structure is characterized in that a plugging test block is adopted to plug a powder cleaning hole, and the device comprises a plugging support, a plugging device, a position recognition and feedback module, a control terminal and a transmission module;
the position identification and feedback module is arranged on the plugging support and is used for identifying and feeding back the position of the powder cleaning hole;
the plugging device is arranged on the plugging support and used for plugging the powder cleaning hole;
the transmission module is used for transmitting the wing rudder structure;
the control terminal is respectively connected with the plugging device, the position identification and feedback module and the transmission module and is used for controlling the plugging process.
The above aspect and any possible implementation further provide an implementation in which the blocking bracket includes a longitudinal beam and a transverse beam connected to each other, the longitudinal beam is disposed on one side of the transmission module, and the transverse beam is disposed above the transmission module, and the blocking device is mounted on the transverse beam and located above the transmission module.
The above aspect and any possible implementation manner further provide an implementation manner, further including a quality detection module disposed above the longitudinal beam and located at a position below the position identification and feedback module, for detecting the plugging quality.
The above aspect and any possible implementation manner further provide an implementation manner, further including a wing rudder shape following tool, where the wing rudder shape following tool is fixed to the fixing module and is used to clamp the wing rudder structure.
The above aspect and any possible implementation manner further provide an implementation manner, wherein the transmission module includes a belt and a belt pulley, and the belt pulley drives the belt to move relatively, so as to transmit the wing rudder structure which needs to block the powder cleaning hole.
The above aspect and any possible implementation manner further provide an implementation manner that the number of the powder cleaning holes of the wing rudder structure is more than one and the powder cleaning holes are arranged at unequal intervals.
The invention also provides a plugging method of the powder cleaning hole plugging device of the wing rudder structure formed by selective laser melting, which is realized by adopting the plugging device of the invention and comprises the following steps:
s1, fixing a wing rudder structure and a plugging test block;
s2, controlling a belt pulley to drive a belt to move, identifying the position of the powder cleaning hole by the position identification and feedback module, generating an identification signal to be fed back and transmitted to the control terminal, and sending a motion pause instruction by the control terminal to control the belt pulley to pause and simultaneously send a plugging instruction to the plugging device;
s3, the plugging device performs welding plugging on the current powder cleaning hole and the corresponding plugging test block;
and S4, after the plugging is finished, the control terminal sends an instruction to the quality detection module to carry out quality detection, after the quality detection is qualified, the control terminal controls the belt pulley to continue to move until the position recognition and feedback module detects the next powder cleaning hole, and the steps S2-S3 are repeated until all the powder cleaning holes are completely welded and plugged.
The above aspects and any possible implementation manners further provide an implementation manner, further including that when all the powder cleaning holes of all the wing rudder structures are completely plugged, the plugging device stops working, and the control terminal controls the belt pulley to drive the belt to move out the wing rudder structures, so as to complete the plugging operation.
As for the above-mentioned aspect and any possible implementation manner, there is further provided an implementation manner, where the S1 specifically is: fixing the wing rudder structure with a fixing module through a wing rudder shape following tool, and recording the relative position information of the powder cleaning holes of the wing rudder structure in the position identification and feedback module; and sequentially placing the plugging test blocks into powder cleaning holes of the wing rudder structure for fixing.
As for the above-mentioned aspect and any possible implementation manner, there is further provided an implementation manner, where the S3 specifically is: after the plugging device receives the plugging command sent by the control terminal, the plugging device starts to work, the powder cleaning hole of the current wing rudder structure is welded with the corresponding plugging test block, and after the powder cleaning hole is plugged, the control terminal sends a plugging stopping instruction to control the plugging device to stop plugging.
The above-mentioned aspect and any possible implementation manner further provide an implementation manner, where the "performing quality detection after the plugging" in S4 specifically includes: and after receiving a quality detection instruction of the control terminal, the quality detection module starts to perform internal quality detection on the blocked powder cleaning hole and feeds back a detection result to the control terminal in real time, and the control terminal judges the blocking quality based on the detection result.
The invention has the beneficial technical effects
The embodiment provided by the invention provides a device and a method for plugging powder cleaning holes of a wing rudder structure formed by selective laser melting, which comprises a plugging support, a plugging device, a position identification and feedback module, a quality detection module, a control terminal and a transmission module; the plugging device comprises a plugging device, a position identification and feedback module and a quality detection module, wherein the plugging bracket is I-shaped and serves as a bearing structure of the plugging device, the position identification and feedback module and the quality detection module, a longitudinal beam of the plugging bracket is positioned on one side of the transmission module, a transverse beam is positioned above the transmission module, and the plugging device is arranged on the transverse beam and is positioned right above the transmission module; the position identification and feedback module is arranged at the uppermost position of the longitudinal beam; the quality detection module is arranged above the longitudinal beam and is positioned below the position identification and feedback module; the control terminal is respectively connected with the plugging device, the position identification and feedback module, the quality detection module and the transmission module, and the technical scheme of the invention can realize high-quality plugging of the powder cleaning hole of the wing rudder structure by controlling the plugging process; automatic high-efficiency plugging can be realized; meanwhile, the rapid quality detection of the plugging position can be realized; and the requirement of blocking powder cleaning holes in batches generated by batch production of the wing rudder structure of the laser selection area can be met, so that the automation level of the whole additive manufacturing process is improved.
Drawings
Embodiments of the invention are described in detail below with reference to the attached drawing figures, wherein:
fig. 1 is a schematic view of a powder cleaning hole plugging device of a wing rudder structure formed by selective laser melting in an embodiment of the invention;
fig. 2 is a schematic diagram of a plugging test block in the embodiment of the invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description is made with reference to the accompanying drawings and specific examples, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1-2, the invention provides a device for blocking a powder cleaning hole of a wing rudder structure formed by selective laser melting, which comprises a blocking support 1, a transmission belt 2 of a transmission module, a transmission module belt pulley 3, a fixing module 4, a wing rudder shape following tool 5, a powder cleaning hole 6 of the wing rudder structure, a blocking test block 7, a wing rudder structure 8, a blocking device 9, a position identification and feedback module 10, a quality detection module 11 and a control terminal 12. The plugging support 1 is in an I-shaped shape and serves as a bearing structure of the plugging device 9, the position identification and feedback module 10 and the quality detection module 11, a longitudinal beam of the plugging support 1 is positioned on one side of the transmission module, a transverse beam is positioned above the transmission module, and the plugging device 9 is arranged on the transverse beam and is positioned right above the transmission module;
the position identification and feedback module 10 is arranged at the uppermost position of the longitudinal beam and is used for identifying the position of the powder cleaning hole, generating an identification signal and feeding back information to the control terminal 12;
the quality detection module is arranged above the longitudinal beam and below the position identification and feedback module 11, and is used for carrying out internal quality detection on the blocked powder cleaning holes and transmitting internal quality information to the control terminal 12 in real time so as to check the internal quality blocking effect;
the control terminal 12 is respectively connected with the plugging device 9, the position identification and feedback module 10, the quality detection module 11 and the transmission module, and controls the plugging process. The plugging support 1 is used as a supporting part of the plugging device, the plugging support 1 keeps a relatively fixed position and is used for installing the plugging device 9, the position identification and feedback module 10 and the quality detection module 11, and the stability of the plugging device 9 in the plugging process is ensured.
The transmission module comprises a belt 2 and a belt pulley 3, and the belt pulley 3 drives the transmission belt 2 to move relatively and is used for transmitting the wing rudder structure 8.
The fixing modules 4 are used for fixing the wing rudder conformal tooling 5 and ensuring that the wing rudder structure 8 does not incline or displace in the conveying and welding plugging processes of the conveying belt 2, the fixing modules 4 are fixed on the conveying belt 2, and the number of the fixing modules 4 is at least more than one.
The wing rudder shape following tool 5 is used for wrapping and clamping the wing rudder structure 8, the wing rudder shape following tool 5 is guaranteed to stabilize the wing rudder structure 8 in the fixing mode, and meanwhile, the wing rudder structure 8 is prevented from being deformed due to heat generated in the welding and plugging process.
The wing rudder structure 8 is a part integrally formed in the selective laser melting forming process and is of a thin-wall skin sandwich structure, a plurality of powders can be reserved in an inner cavity in the forming process, and in order to prevent the powders from remaining in the wing rudder structure 8, the powder cleaning holes 6 formed in the cavity of the wing rudder structure 8 discharge the powders through the powder cleaning holes. Each powder cleaning hole 6 has a certain taper, the number of the powder cleaning holes is more than one, and the powder cleaning holes are arranged at unequal intervals. Since the powder cleaning holes 6 on the wing rudder structure 8 can affect the aerodynamic conditions of the wing rudder during flying, after the powder is discharged, the powder cleaning holes need to be welded and blocked by the blocking device.
The plugging test block 7 is a test block with a conical structure, as shown in fig. 2, a certain angle theta is formed between the plugging test block and the vertical direction, the angle range is more than 0 degree and less than or equal to 30 degrees, on one hand, the conical structure is convenient for the test block to be inserted into the powder cleaning hole 6, and on the other hand, the conical shape is convenient for the test block to be completely welded during subsequent welding.
The plugging device 9 is used for welding and plugging the powder cleaning hole 6, deep fusion welding is not needed to be carried out through adding welding wires in the welding process, and plugging of the powder cleaning hole 6 of the wing rudder structure is achieved.
And the position identification and feedback module 10 is used for identifying and feeding back the information of the powder cleaning hole 6. When the belt pulley 3 drives the conveying belt 2 to operate, the position recognition and feedback module 10 recognizes the powder cleaning holes 6 to be blocked on the conveying belt 2, and when the powder cleaning holes 6 to be blocked are recognized, the position recognition and feedback module 10 generates recognition signals and feeds the recognition signals back to the control terminal 12, so that the control terminal 12 sends a pause motion instruction to control the belt pulley 3 to pause motion.
And the quality detection module 11 is used for realizing the internal quality detection of the wing rudder structure after the powder cleaning hole 6 is blocked so as to detect and ensure the blocking quality.
The control terminal 12 is used as a control center for the whole wing rudder structure to perform the plugging operation process on the powder cleaning hole 6, and is used for receiving the identification signal fed back by the position identification and feedback module 10 and sending an operation command for plugging the powder cleaning hole 6 to the plugging device 9; after the powder cleaning hole 6 is plugged, the control terminal 12 sends a quality detection command to the quality detection module 11, the quality detection module 11 is controlled to detect the internal quality of the plugging position of the powder cleaning hole 6, the detection result fed back by the quality detection module 11 is received in real time, and when the detection result shows that the plugging of the powder cleaning hole 6 is qualified, a motion instruction is sent to the belt pulley 3 of the conveying part, so that the belt pulley 3 drives the conveying belt 2 to move relatively to convey the wing rudder structure 8, and the next powder cleaning hole 6 is plugged continuously.
Preferably, the invention also provides a method for plugging the powder cleaning hole of the wing rudder structure formed by selective laser melting, which comprises the following steps:
(1) wing rudder structure part fixing
The wing rudder structure 8 is fixed through the wing rudder shape following tool 5, and then the wing rudder shape following tool 5 wraps the wing rudder structure and puts the wing rudder structure on the fixing module 4 to complete the fixation of the wing rudder structure 8.
(2) Plugging test block fixation
And sequentially placing the plugging test blocks 7 into the powder cleaning holes 6 of the wing rudder structure. The plugging test block 7 is in an upper conical shape, and correspondingly, the powder cleaning hole 6 of the wing rudder structure is in a lower conical shape; the upper and lower conical arrangement of the plugging test block 7 and the wing rudder structure powder cleaning hole 6 ensures the sealing fixation of the plugging test block 7 and the wing rudder structure powder cleaning hole 6.
(3) The belt pulley drives the transmission belt to move
After the wing rudder structure 8 and the plugging test block 7 are fixed, the control terminal 12 sends a motion instruction, the belt pulley 3 starts to move, and then the conveying belt 2 is driven to move, in the process that the wing rudder structure 8 is conveyed, when the powder cleaning hole 6 on the wing rudder structure is identified by the position identification and feedback device 10, the position identification and feedback device 10 feeds back an identification signal about the current powder cleaning hole to the control terminal 12, the control terminal 12 sends a motion stop instruction after receiving the identification signal, the belt pulley 3 is controlled to stop moving, and the control terminal 12 sends a plugging instruction to the plugging device 9 at the same time.
(4) Plugging is carried out
After the plugging device 9 receives the plugging instruction sent by the control terminal 12, the plugging device 9 starts to work, and the powder cleaning holes 6 of the current wing rudder structure are welded with the corresponding plugging test blocks 7 through certain welding process parameters. After the powder cleaning hole 6 of the current wing rudder structure is plugged, the control terminal 12 sends a plugging stopping instruction, the control plugging device 9 stops the current work, and the control terminal 12 simultaneously sends a quality detection instruction to the quality detection module 11.
(5) Performing plugging quality detection
The quality detection module 11 starts to perform internal quality detection work on the blocked powder cleaning hole 6 after receiving a quality detection instruction of the control terminal 12, acquires information on the internal metallurgical quality of the blocked area through nondestructive detection on the blocking position, identifies and detects the blocking metallurgical quality of the blocked area, feeds the blocking metallurgical quality back to the control terminal 12 in real time, and the control terminal 12 judges the blocking quality based on the blocking area metallurgical quality requirement and the detection result.
(6) The belt pulley drives the transmission belt to move
After the plugging quality detection is qualified, the control terminal 12 sends out the motion instruction again, the belt pulley 3 drives the belt 2 to move continuously, after the position of the next powder cleaning hole 6 is identified and determined through the position identification and feedback device 10, the control terminal 12 sends out the motion pause instruction again, the belt pulley 3 is controlled to pause, and the steps (4) - (5) are repeated;
repeating the steps until all the powder cleaning holes 6 of all the wing rudder structures are completely welded and blocked.
When all the powder cleaning holes 6 of all the wing rudder structures 8 are completely plugged, the control terminal 12 sends a plugging stopping instruction, the plugging device 9 stops working, the belt pulley 3 drives the belt 2 to move the wing rudder structures 8 out, and plugging of all the powder cleaning holes 6 of the whole wing rudder structure is completed.
While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the invention as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A powder cleaning hole plugging device of a selective laser melting forming wing rudder structure is characterized by comprising a plugging support, a plugging device, a position identification and feedback module, a control terminal and a transmission module, wherein the plugging device is used for plugging a powder cleaning hole;
the position identification and feedback module is arranged on the plugging support and is used for identifying and feeding back the position of the powder cleaning hole;
the plugging device is arranged on the plugging support and used for plugging the powder cleaning hole;
the transmission module is used for transmitting the wing rudder structure;
the control terminal is respectively connected with the plugging device, the position identification and feedback module and the transmission module and is used for controlling the plugging process.
2. The occlusion device of claim 1, wherein the occlusion bracket comprises a longitudinal beam and a transverse beam connected to each other, the longitudinal beam being disposed on one side of the drive module and the transverse beam being disposed above the drive module, wherein the occluder is mounted on the transverse beam and above the drive module.
3. The occlusion device of claim 1, further comprising a mass detection module disposed above the longitudinal beam at a location below the position identification and feedback module for detecting occlusion mass.
4. The plugging device of claim 3, further comprising a wing rudder shape following tooling, wherein the wing rudder shape following tooling is fixed on the fixing module and used for clamping the wing rudder structure.
5. The plugging device of claim 1, wherein the transmission module comprises a belt and a pulley, the pulley drives the belt to move relatively for transmitting a wing rudder structure for plugging the powder cleaning hole.
6. A plugging method of a powder cleaning hole plugging device of a wing rudder structure formed by selective laser melting, which is realized by adopting the plugging device of any one of claims 1 to 5, and is characterized by comprising the following steps:
s1, fixing a wing rudder structure and a plugging test block;
s2, controlling a belt pulley to drive a belt to move, identifying the position of the powder cleaning hole by the position identification and feedback module, generating an identification signal to be fed back and transmitted to the control terminal, and sending a motion pause instruction by the control terminal to control the belt pulley to pause and simultaneously send a plugging instruction to the plugging device;
s3, the plugging device performs welding plugging on the current powder cleaning hole and the corresponding plugging test block;
and S4, after the plugging is finished, the control terminal sends an instruction to the quality detection module to carry out quality detection, after the quality detection is qualified, the control terminal controls the belt pulley to continue to move until the position recognition and feedback module detects the next powder cleaning hole, and the steps S2-S3 are repeated until all the powder cleaning holes are completely welded and plugged.
7. The plugging method according to claim 6, further comprising the step of stopping the plugging device after all the powder cleaning holes of the wing rudder structure are plugged, wherein the control terminal controls the belt pulley to drive the belt to move the wing rudder structure out, and the plugging operation is completed.
8. The occlusion method according to claim 6, wherein S1 specifically is: fixing the wing rudder structure with a fixing module through a wing rudder shape following tool, and recording the relative position information of the powder cleaning holes of the wing rudder structure in the position identification and feedback module; and sequentially placing the plugging test blocks into powder cleaning holes of the wing rudder structure for fixing.
9. The occlusion method according to claim 6, wherein S3 specifically is: after the plugging device receives the plugging command sent by the control terminal, the plugging device starts to work, the powder cleaning hole of the current wing rudder structure is welded with the corresponding plugging test block, and after the powder cleaning hole is plugged, the control terminal sends a plugging stopping instruction to control the plugging device to stop plugging.
10. The occlusion method according to claim 6, wherein the step S4 of performing quality detection after the occlusion is completed specifically includes: and after receiving a quality detection instruction of the control terminal, the quality detection module starts to perform internal quality detection on the blocked powder cleaning hole and feeds back a detection result to the control terminal in real time, and the control terminal judges the blocking quality based on the detection result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111216299.0A CN114147235B (en) | 2021-10-19 | 2021-10-19 | Device and method for plugging powder cleaning hole of laser selective melting forming wing rudder structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111216299.0A CN114147235B (en) | 2021-10-19 | 2021-10-19 | Device and method for plugging powder cleaning hole of laser selective melting forming wing rudder structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114147235A true CN114147235A (en) | 2022-03-08 |
| CN114147235B CN114147235B (en) | 2024-01-16 |
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| CN202111216299.0A Active CN114147235B (en) | 2021-10-19 | 2021-10-19 | Device and method for plugging powder cleaning hole of laser selective melting forming wing rudder structure |
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| CN106141374A (en) * | 2016-08-17 | 2016-11-23 | 广东工业大学 | Non-consumable gas shielded arc welding 3D increases material repair apparatus and method for repairing and mending |
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