CN117340284A - Portable friction stir deposition additive manufacturing device - Google Patents
Portable friction stir deposition additive manufacturing device Download PDFInfo
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- CN117340284A CN117340284A CN202311361879.8A CN202311361879A CN117340284A CN 117340284 A CN117340284 A CN 117340284A CN 202311361879 A CN202311361879 A CN 202311361879A CN 117340284 A CN117340284 A CN 117340284A
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- additive manufacturing
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- 239000000654 additive Substances 0.000 title claims abstract description 38
- 230000000996 additive effect Effects 0.000 title claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- 230000008021 deposition Effects 0.000 title claims abstract description 28
- 238000003756 stirring Methods 0.000 title claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 43
- 238000009434 installation Methods 0.000 claims abstract description 5
- 238000013519 translation Methods 0.000 claims description 35
- 230000033001 locomotion Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 abstract description 27
- 230000007246 mechanism Effects 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 7
- 239000007790 solid phase Substances 0.000 abstract description 6
- 238000000151 deposition Methods 0.000 description 18
- 239000000758 substrate Substances 0.000 description 18
- 230000008878 coupling Effects 0.000 description 12
- 238000010168 coupling process Methods 0.000 description 12
- 238000005859 coupling reaction Methods 0.000 description 12
- 238000005096 rolling process Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 238000007639 printing Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 230000020169 heat generation Effects 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- 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
-
- 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
- B22F10/10—Formation of a green body
-
- 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
- B22F12/50—Means for feeding of material, e.g. heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
-
- 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
- B33Y10/00—Processes of additive manufacturing
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
Abstract
The invention belongs to the technical field of solid-phase additive manufacturing, and discloses a portable friction stir deposition additive manufacturing device, which comprises a frame, wherein a feeding system and a transmission system are arranged on the frame, and the transmission system is positioned below the feeding system and is correspondingly arranged with the feeding system; the feeding system comprises a power assembly, a feeding assembly and a hydraulic cylinder, and the feeding assembly is in transmission connection with the power assembly; the hydraulic cylinder is arranged on the frame and is arranged corresponding to the feeding component, and the output end of the hydraulic cylinder is detachably connected with the inlet of the feeding component; the transmission system comprises a base plate arranged below the feeding assembly, and the top surface of the base plate is arranged in a clearance with an outlet of the feeding assembly; the base plate is in transmission connection with a moving part arranged on the frame. The invention adopts modularized design, has high flexibility, can carry out self-defined installation, is convenient for updating and iterating mechanism parts, prints parts with different size ranges, can adjust different materials, and improves the application range of the device.
Description
Technical Field
The invention belongs to the technical field of solid-phase additive manufacturing, and particularly relates to a portable friction stir deposition additive manufacturing device.
Background
The additive manufacturing can realize rapid and accurate forming manufacturing and personalized customization of complex parts through a three-dimensional digital model, and a key technical approach is provided for the cross-generation upgrading of the advanced industrial equipment structure. According to different heated states of materials, metal additive manufacturing can be divided into a melting additive manufacturing technology and a solid-phase additive manufacturing technology, wherein the solid-phase additive manufacturing mainly uses plastic deformation heat, friction heat, induction heat and the like as heat sources, and the melting layer-by-layer forming technology is not involved in the process. Compared with the melt additive manufacturing, the solid-phase additive manufacturing forming part has lower residual stress, is not influenced by metallurgical defects such as air holes, hot cracks and the like, and has unique advantages in the forming manufacturing of the light magnesium-aluminum alloy.
Friction stir deposition additive manufacturing is an emerging solid phase additive manufacturing technique based on plastic deformation, which combines traditional friction stir welding and additive manufacturing techniques, by filling a hollow print head with bar or metal powder, softening and downwardly migrating and depositing the filled material by friction and plastic deformation heat generation under the combined action of axial force and friction stir of the print head, and forming an additive layer as the print head moves along a predetermined track, and repeating layer by layer until a required part is constructed.
However, the related devices are mainly based on large customized friction stir welding machines or computer numerical control milling machines, which are not easy to disassemble and are not convenient for field manufacturing, and portability and operability are limited to a certain extent.
Therefore, the application designs a portable friction stir deposition additive manufacturing device to solve the technical problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides a portable friction stir deposition additive manufacturing device, which solves the problems of difficult transportation and installation and limited use environment caused by large size and weight of the conventional device.
In order to achieve the above purpose, the invention provides a portable friction stir deposition additive manufacturing device, which comprises a frame, wherein a feeding system and a transmission system are arranged on the frame, and the transmission system is positioned below the feeding system and is arranged corresponding to the feeding system;
the feeding system comprises a power assembly, a feeding assembly and a hydraulic cylinder, and the feeding assembly is in transmission connection with the power assembly; the hydraulic cylinder is arranged on the frame and is arranged corresponding to the feeding component, and the output end of the hydraulic cylinder is detachably connected with the inlet of the feeding component;
the transmission system comprises a base plate arranged below the feeding assembly, and the top surface of the base plate is arranged in a clearance with an outlet of the feeding assembly; the base plate is in transmission connection with a moving part arranged on the frame.
Preferably, the power assembly comprises an asynchronous motor arranged on the frame, an input shaft is connected with the output end of the asynchronous motor in a transmission way, a pinion is sleeved and fixedly connected on the input shaft, and the pinion is meshed with the feeding assembly for transmission.
Preferably, the feeding assembly comprises a large gear in meshed connection with the small gear, and the large gear is sleeved on a hollow feeding sleeve; the top of the feeding sleeve corresponds to the output end of the hydraulic cylinder, and the bottom of the feeding sleeve is arranged in a clearance manner with the base plate.
Preferably, a box body is arranged on the rack, and the large gear and the small gear are both positioned in the box body; the input shaft and the feeding sleeve are both in rotary connection with the box body; the bottom end of the feeding sleeve extends out of the box body and is arranged with the base plate in a clearance mode.
Preferably, the motion part comprises an X-axis translation component arranged in the frame, the X-axis translation component is in transmission connection with a Y-axis translation component arranged in the frame, and the Y-axis translation component is in transmission connection with a Z-axis translation component arranged in the frame.
Preferably, the X-axis translation assembly comprises a top plate fixedly connected to the bottom end of the substrate, a top plate screw nut is fixedly connected below the top plate, and the top plate screw nut is in threaded connection with the top plate screw; the top plate lead screw is in transmission connection with a first servo motor fixedly connected to the Y-axis translation assembly.
Preferably, the Y-axis translational component comprises a bottom plate, and the first servo motor is mounted on the bottom plate; the bottom end of the bottom plate is fixedly connected with a bottom plate screw nut which is in threaded connection with the bottom plate screw; the bottom plate lead screw is in transmission connection with a second servo motor fixedly connected to the Z-axis translation assembly.
Preferably, the Z-axis translational component comprises an upper fixing plate and a lower fixing plate fixedly connected to the frame, a supporting table screw is rotatably connected between the upper fixing plate and the lower fixing plate, and the supporting table screw is in transmission connection with a third servo motor arranged on the frame; the screw rod of the supporting table is connected with the supporting table through threads, and the second servo motor is installed at the top end of the supporting table.
Preferably, the bottom end of the supporting table is fixedly connected with a supporting table screw nut, and the supporting table screw nut is in threaded connection with the supporting table screw.
Preferably, the side wall of the supporting table is fixedly connected with a plurality of supporting table guide rail sliding blocks, and the supporting table guide rail sliding blocks are in sliding connection with the supporting table guide rail longitudinally fixedly connected on the frame.
Compared with the prior art, the invention has the following advantages and technical effects: the frame is built by using the sectional materials, so that the size and the weight of equipment are reduced, other parts are convenient to install, the structure is simple, the reliability is high, the transportation and the on-site building of the equipment are convenient, and on-site printing can be finished in various scenes; when the material feeding device is used, a material is placed in a feeding component, the material is extruded from an outlet of the feeding component and is contacted with a substrate by an output end of a hydraulic cylinder, then the feeding component is driven by a power component to rotate at a high speed, so that the feeding component and a shaft shoulder of a printing head rotate simultaneously and continuously friction the surface of the substrate under the action of axial force, friction heat and shearing plastic deformation are generated, the material is softened and deposited on the substrate, and a deposition layer with refined grains is obtained; the motion part of the transmission system is used for driving the substrate to move in the frame in multiple degrees of freedom, realizing relative movement with the outlet of the feeding component at the fixed position, depositing softened materials on the substrate according to the design requirement, and simultaneously carrying out multilayer deposition layer by layer to obtain the required additive manufacturing part; the parameters of the power assembly and the hydraulic cylinder are adjusted, so that the process parameters required by printing different materials can be met, and the deposition and material increase of various materials are realized.
The invention adopts modularized design, has high flexibility, can carry out self-defined installation, is convenient for updating and iterating mechanism parts, prints parts with different size ranges, can adjust different materials, and improves the application range of the device.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application, illustrate and explain the application and are not to be construed as limiting the application. In the drawings:
FIG. 1 is a schematic diagram of a portable friction stir deposition additive manufacturing apparatus according to the present invention;
FIG. 2 is a schematic view of a rotary mechanism according to the present invention;
FIG. 3 is a schematic view of the structure of the feeding sleeve of the present invention;
FIG. 4 is a schematic view of a motion mechanism according to the present invention;
FIG. 5 is a schematic view of the structure of the base plate of the present invention;
FIG. 6 is a schematic view of a top plate structure according to the present invention;
FIG. 7 is a schematic view of a support base according to the present invention;
in the figure: 1. an asynchronous motor; 2. a first plum blossom coupling; 3. a rotation mechanism; 4. a hydraulic cylinder; 5. a frame; 6. an input shaft; 7. an input shaft transparent cover; 8. a first input shaft rolling bearing; 9. an input shaft sleeve; 10. a pinion gear; 11. a second input shaft rolling bearing; 12. an input shaft cover; 13. the first feeding sleeve penetrates through the cover; 14. a case; 15. a first feed sleeve rolling bearing; 16. a feeding sleeve; 17. a large gear; 18. a second feeding sleeve rolling bearing; 19. the second feeding sleeve penetrates through the cover; 20. a feeding sleeve; 21. a substrate; 22. a top plate lead screw nut; 23. a top plate screw; 24. a top plate supporting seat; 25. a top plate rail; 26. a bottom plate; 27. a bottom plate guide rail slide block; 28. a bottom plate lead screw; 29. a bottom plate lead screw nut; 30. an upper fixing plate; 31. a support table; 32. a support table lead screw; 33. a lower fixing plate; 34. a fourth plum blossom coupling; 35. a top plate; 36. the second plum blossom shaft coupling; 37. a first servo motor; 38. a first servo motor support; 39. a top plate rail slide; 40. a floor rail; 41. a second servo motor; 42. a third plum blossom coupling; 43. a second servo motor bracket; 44. a base plate support base; 45. a support table guide rail slide block; 46. a support table guide rail; 47. a support table lead screw nut; 48. a supporting base of the supporting table; 49. a third servo motor; 50. a support base main body; 51. circlips for holes; 52. a rolling bearing; 53. an inner hexagon countersunk head bolt.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-7, the embodiment provides a portable friction stir deposition additive manufacturing device, which comprises a frame 5, wherein a feeding system and a transmission system are arranged on the frame 5, and the transmission system is positioned below the feeding system and is arranged corresponding to the feeding system;
the feeding system comprises a power assembly, a feeding assembly and a hydraulic cylinder 4, and the feeding assembly is in transmission connection with the power assembly; the hydraulic cylinder 4 is arranged on the frame 5 and is arranged corresponding to the feeding component, and the output end of the hydraulic cylinder 4 is detachably connected with the inlet of the feeding component;
the transmission system comprises a base plate 21 arranged below the feeding component, and the top surface of the base plate 21 is arranged in a clearance with an outlet of the feeding component; the base plate 21 is in driving connection with a moving part provided on the frame 5.
The frame 5 is built by using the sectional materials, so that the size and the weight of equipment are reduced, other parts are convenient to install, the structure is simple, the reliability is high, the transportation and the on-site building of the equipment are convenient, and on-site printing can be finished in various scenes; when the material feeding device is used, a material is placed in a feeding component, the material is extruded from an outlet of the feeding component by an output end of a hydraulic cylinder 4 and is contacted with a substrate 21, then the feeding component is driven by a power component to rotate at a high speed, so that the feeding material and a shaft shoulder of a printing head rotate simultaneously and continuously under the action of axial force to rub the surface of the substrate, friction heat and shearing plastic deformation are generated, the material is softened and deposited on the substrate 21, and a deposition layer with refined grains is obtained; the motion part of the transmission system is used for driving the substrate 21 to move in the frame 5 in multiple degrees of freedom, and relatively moves with the outlet of the feeding component at the fixed position, so that softened materials are deposited on the substrate 21 according to the design requirement, and meanwhile, multilayer deposition can be carried out layer by layer, so that the required additive manufactured parts are obtained; the parameters of the power assembly and the hydraulic cylinder 4 are adjusted, so that the process parameters required by printing different materials can be met, and the deposition and material increase of various materials are realized.
Furthermore, the frame 5 is built by the section bar, and parts are fixed on the section bar through bolts, and the modular design is adopted, so that the assembly, disassembly and replacement are convenient.
In a further optimized scheme, the power assembly comprises an asynchronous motor 1 arranged on a frame 5, an input shaft 6 is connected with the output end of the asynchronous motor 1 in a transmission way, a pinion 10 is fixedly sleeved outside the input shaft 6, and the pinion 10 is meshed with the feeding assembly for transmission; the feeding assembly comprises a large gear 17 in meshed connection with the small gear 10, and the large gear 17 is sleeved on a hollow feeding sleeve 20; the top of the feeding sleeve 20 is arranged corresponding to the output end of the hydraulic cylinder 4, and the bottom of the feeding sleeve 20 is arranged in a clearance with the base plate 21. The asynchronous motor 1 drives the input shaft 6 to rotate through the first plum coupling 2, the input shaft 6 is connected to the input shaft 6 and the feeding sleeve 20 through the engaged pinion 10 and the engaged bull gear 17 respectively through the flat keys, and the feeding sleeve 20 is driven to rotate, so that friction heat generation with the substrate 21 is realized; meanwhile, the center of the feeding sleeve 20 is used for loading materials, and the feeding sleeve is pushed to move downwards by the output end of the hydraulic cylinder 4; the input shaft 6, the feeding sleeve 20, the pinion 10 and the gearwheel 17 constitute a rotation mechanism 3 for realizing a material feed, a rotary movement of the printing head and a convenient fixation on the frame 5.
In a further optimization scheme, a box body 14 is arranged on the frame 5, and a large gear 17 and a small gear 10 are both positioned in the box body 14; the input shaft 6 and the feeding sleeve 20 are both in rotary connection with the box body 14; the bottom end of the feeding sleeve 20 extends out of the box 14 and is arranged in a gap with the base plate 21. The rotating mechanism 3 further comprises a box 14, wherein the box 14 is fixed on the frame 5 to provide an installation position for the rotating component; the input shaft 6 is arranged on the box 14 through a first input shaft rolling bearing 8 and a second input shaft rolling bearing 11, and the input shaft through cover 7, the input shaft sleeve 9 and the input shaft blank cap 12 position the input shaft 6 in the box 14 to drive the pinion 10 to rotate; the feeding sleeve 20 is arranged on the box body 14 through a first feeding sleeve rolling bearing 15 and a second feeding sleeve rolling bearing 18, and the feeding sleeve 16, the first feeding sleeve through cover 13 and the second feeding sleeve through cover 19 position the feeding sleeve 20 in the box body 14 and are driven to rotate by the large gear 17; the input shaft 6 and the feeding sleeve 20 are respectively supported by bearings, the axial positioning is determined through the input shaft sleeve 9 and the feeding sleeve 16, the power is transmitted to the input shaft 6 and is transmitted to the feeding sleeve 20 through gear engagement, and the through cap and the blank cap are fixed on the box body 14 through hexagonal countersunk screws.
Further, the feeding sleeve 20 is a hollow stepped shaft, the shaft shoulder determines the axial positioning of the gear and the rolling bearing 52, and the feeding material can be placed in the middle hole to perform circumferential rotation along with the feeding sleeve 20, and meanwhile, the output end of the hydraulic cylinder 4 provides axial force.
In a further optimized scheme, the motion part comprises an X-axis translation component arranged in the frame 5, the X-axis translation component is in transmission connection with a Y-axis translation component arranged in the frame 5, and the Y-axis translation component is in transmission connection with a Z-axis translation component arranged in the frame 5. The X-axis translation assembly drives the substrate 21 to move in the X-axis direction, the Y-axis translation assembly drives the X-axis translation assembly to move in the Y-axis direction, the Z-axis translation assembly drives the Y-axis translation assembly to move in the Z-axis direction, and finally the substrate 21 is moved in the three-dimensional space in a combined mode, so that additive manufacturing is facilitated.
In a further optimization scheme, the X-axis translation assembly comprises a top plate 35 fixedly connected to the bottom end of the base plate 21, a top plate screw nut 22 is fixedly connected below the top plate 35, and the top plate screw nut 22 is in threaded connection with the top plate screw 23; the top plate screw 23 is in transmission connection with a first servo motor 37 fixedly connected to the Y-axis translation assembly. The first servo motor 37 drives the top plate screw rod 23 to rotate through the second plum coupling 36, so that the top plate screw rod nut 22 moves, the position of the top plate 35 is adjusted, and the base plate 21 is driven to move along with the adjustment.
Further, the base plate 21 is mounted on the top plate 35 through bolts, and the top plate 35 is driven to move, so that the base plate 21 is driven to move, and the parts manufactured by additive are formed on the base plate 21, so that later-stage picking and placing are facilitated.
Further optimizing scheme, the Y-axis translation assembly comprises a bottom plate 26, and a first servo motor 37 is arranged on the bottom plate 26; the bottom end of the bottom plate 26 is fixedly connected with a bottom plate screw nut 29, and the bottom plate screw nut 29 is in threaded connection with the bottom plate screw 28; the bottom plate lead screw 28 is in transmission connection with a second servo motor 41 fixedly connected to the Z-axis translation assembly. The second servo motor 41 drives the bottom plate screw rod 28 to rotate through the third plum coupling 42, and then drives the bottom plate 26 to move through the bottom plate screw rod nut 29, and the moving direction of the bottom plate 26 is perpendicular to the moving direction of the top plate 35.
Further, a top plate supporting seat 24 for supporting the top plate screw 23 is mounted on the bottom plate 26 for supporting the top plate screw 23 to rotate.
Further, a first servomotor bracket 38 is provided on the bottom plate 26 for mounting the first servomotor 37.
Further, the bottom plate 26 is provided with a top plate guide rail 25, and the top plate guide rail 25 is slidably connected with a top plate guide rail slider 39 fixedly connected with the top plate 35, so as to limit the translation direction of the top plate 35, and meanwhile, the top plate 35 and the bottom plate 26 are fixed more stably.
Further, the bottom plate 26 is provided with a plurality of threaded holes and countersunk threaded holes, the top plate guide rail 25 is fixed above through a hexagonal countersunk bolt, and the bottom plate screw nut 29 and the bottom plate guide rail sliding block 27 are connected below through a hexagonal countersunk bolt.
Further, a plurality of threaded holes and countersunk threaded holes are formed in the top plate 35, and the base plate 21 is fixed above the top plate 35 through a hexagonal countersunk bolt, so that a workpiece formed by additive manufacturing is positioned on the base plate 21; the lower part of the top plate 35 is connected with the top plate lead screw nut 22 and the top plate guide rail slide block 39 through a hexagonal countersunk head screw.
In a further optimization scheme, the Z-axis translation assembly comprises an upper fixed plate 30 and a lower fixed plate 33 which are fixedly connected to the frame 5, a supporting table screw rod 32 is rotatably connected between the upper fixed plate 30 and the lower fixed plate 33, and the supporting table screw rod 32 is in transmission connection with a third servo motor 49 arranged on the frame 5; the support table screw 32 is connected with a support table 31 by screw threads, and the second servo motor 41 is mounted on the top end of the support table 31. The supporting table screw rod 32 is fixed by the upper fixing plate 30 and the lower fixing plate 33, and the bottom end of the supporting table screw rod is connected with a third servo motor 49 fixed on the frame 5 through a fourth plum coupling 34; the support table 31 is driven to longitudinally move by the support table screw nut 47, and thus the Y-axis translational component mounted on the top end of the support table 31 is driven to move.
Further, a bottom plate supporting seat 44 is arranged at the top end of the supporting table 31 for supporting and fixing the bottom plate screw 28; the second servomotor 41 is mounted on the support table 31 through a second servomotor bracket 43.
Further, the support table 31 is provided with a bottom plate guide rail 40, and the bottom plate guide rail 40 is slidably connected with a bottom plate guide rail slider 27 fixedly connected with the bottom plate 26, so as to limit the moving direction of the bottom plate 26, and make the space between the bottom plate 26 and the support table 31 more stable.
Further, the upper and lower fixing plates 30 and 33 are respectively provided with a supporting table supporting seat 48 for supporting and fixing the supporting table screw 32.
In a further optimized scheme, the Z-axis translation assembly comprises an upper fixing plate 30 and a lower fixing plate 33 which are fixedly connected to the frame 5, and a supporting table wire is rotatably connected between the upper fixing plate 30 and the lower fixing plate 33. The supporting table rail 46 is disposed on the frame 5, and a supporting table rail slider 45 fixedly connected to the supporting table 31 is slidably connected to the supporting table rail 46 for limiting the moving direction of the supporting table 31.
Further, the top plate supporting seat 24, the bottom plate supporting seat 44 and the supporting table supporting seat 48 have the same structure, and only different types are selected according to different types of screw rods; the support seat comprises a support seat main body 50, and the support seat main body 50 is fixed at a designated position through an inner hexagonal countersunk head bolt 53; the rolling bearing 52 is placed in the bearing hole of the supporting seat main body 50, and is axially positioned by the circlip 51 for hole; the optical axis section of the screw is clamped in the rolling bearing 52.
The working process comprises the following steps:
the feeding bar is arranged in a feeding sleeve 20 in a rotating mechanism 3, a hydraulic cylinder 4 is arranged at the upper part of a frame 5, the axis of the hydraulic cylinder 4 coincides with that of the feeding sleeve 20, a base plate 21 is fixed on a top plate 35, a push rod of the hydraulic cylinder 4 applies extrusion force to the feeding bar, an asynchronous motor 1 is started, power is transmitted to an input shaft 6 of the rotating mechanism 3 through a first plum coupling 2, and the feeding sleeve 20 is decelerated through gear transmission at a certain angular speed w 1 The rotary feeding device is characterized in that a first servo motor 37 transmits power to a top plate screw rod 23 through a second plum blossom shaft coupling 36, the top plate screw nut 22 controls the front-back translational motion of a top plate 35, a second servo motor 41 transmits power to a bottom plate screw rod 28 through a third plum blossom shaft coupling 42, the bottom plate screw nut 29 controls the left-right translational motion of a bottom plate 26, in the process of material adding, a hydraulic cylinder 4 extrudes feeding bars in a feeding sleeve 20 at a proper speed through a push rod, the rotating feeding bars soften and deposit the ends of the bars on a substrate 21 under the combined action of the downward pressure of the push rod and the continuous friction of the substrate 21, a deposition layer with refined grains is obtained on the substrate 21 along with the parallel movement of the bottom plate 26 and the top plate 35, a third servo motor 49 transmits power to a supporting table screw rod 32 through a fourth plum blossom shaft coupling 34, the supporting table screw nut 47 is driven to control the up-down movement of a supporting table 31, and multi-layer deposition can be carried out, and finally, the additive manufactured parts are obtained.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "X-axis," "Y-axis," "Z-axis," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present invention, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (10)
1. The utility model provides a portable friction stir deposition additive manufacturing installation which characterized in that: the device comprises a frame (5), wherein a feeding system and a transmission system are arranged on the frame (5), and the transmission system is positioned below the feeding system and is arranged corresponding to the feeding system;
the feeding system comprises a power assembly, a feeding assembly and a hydraulic cylinder (4), wherein the feeding assembly is in transmission connection with the power assembly; the hydraulic cylinder (4) is arranged on the frame (5) and is arranged corresponding to the feeding component, and the output end of the hydraulic cylinder (4) is detachably connected with the inlet of the feeding component;
the transmission system comprises a base plate (21) arranged below the feeding assembly, and the top surface of the base plate (21) is arranged in a clearance with an outlet of the feeding assembly; the base plate (21) is in transmission connection with a moving part arranged on the frame (5).
2. The portable friction stir deposition additive manufacturing apparatus of claim 1 wherein: the power assembly comprises an asynchronous motor (1) arranged on the frame (5), an input shaft (6) is connected with the output end of the asynchronous motor (1) in a transmission mode, a pinion (10) is fixedly sleeved outside the input shaft (6), and the pinion (10) is in meshed transmission with the feeding assembly.
3. The portable friction stir deposition additive manufacturing apparatus of claim 2 wherein: the feeding assembly comprises a large gear (17) in meshed connection with the small gear (10), and the large gear (17) is sleeved on a hollow feeding sleeve (20); the top end of the feeding sleeve (20) is arranged corresponding to the output end of the hydraulic cylinder (4), and the bottom end of the feeding sleeve (20) is arranged in a clearance with the base plate (21).
4. A portable friction stir deposition additive manufacturing apparatus according to claim 3 wherein: the frame (5) is provided with a box body (14), and the large gear (17) and the small gear (10) are both positioned in the box body (14); the input shaft (6) and the feeding sleeve (20) are both in rotary connection with the box body (14); the bottom end of the feeding sleeve (20) extends out of the box body (14) and is arranged in a clearance with the base plate (21).
5. The portable friction stir deposition additive manufacturing apparatus of claim 1 wherein: the motion part comprises an X-axis translation assembly arranged in the frame (5), the X-axis translation assembly is in transmission connection with a Y-axis translation assembly arranged in the frame (5), and the Y-axis translation assembly is in transmission connection with a Z-axis translation assembly arranged in the frame (5).
6. The portable friction stir deposition additive manufacturing apparatus of claim 5 wherein: the X-axis translation assembly comprises a top plate (35) fixedly connected to the bottom end of the base plate (21), a top plate screw nut (22) is fixedly connected below the top plate (35), and the top plate screw nut (22) is in threaded connection with the top plate screw (23); the top plate lead screw (23) is in transmission connection with a first servo motor (37) fixedly connected to the Y-axis translation assembly.
7. The portable friction stir deposition additive manufacturing apparatus of claim 6 wherein: the Y-axis translation assembly comprises a bottom plate (26), and the first servo motor (37) is arranged on the bottom plate (26); the bottom end of the bottom plate (26) is fixedly connected with a bottom plate screw nut (29), and the bottom plate screw nut (29) is in threaded connection with a bottom plate screw (28); the bottom plate lead screw (28) is in transmission connection with a second servo motor (41) fixedly connected to the Z-axis translation assembly.
8. The portable friction stir deposition additive manufacturing apparatus of claim 7 wherein: the Z-axis translation assembly comprises an upper fixing plate (30) and a lower fixing plate (33) which are fixedly connected to the frame (5), a supporting table screw (32) is rotationally connected between the upper fixing plate (30) and the lower fixing plate (33), and the supporting table screw (32) is in transmission connection with a third servo motor (49) arranged on the frame (5); the supporting table screw (32) is connected with a supporting table (31) in a threaded mode, and the second servo motor (41) is installed at the top end of the supporting table (31).
9. The portable friction stir deposition additive manufacturing apparatus of claim 8 wherein: the bottom end of the supporting table (31) is fixedly connected with a supporting table screw nut (47), and the supporting table screw nut (47) is in threaded connection with the supporting table screw (32).
10. The portable friction stir deposition additive manufacturing apparatus of claim 8 wherein: the side wall of the supporting table (31) is fixedly connected with a plurality of supporting table guide rail sliding blocks (45), and the supporting table guide rail sliding blocks (45) are in sliding connection with supporting table guide rails (46) longitudinally fixedly connected to the frame (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311361879.8A CN117340284B (en) | 2023-10-20 | 2023-10-20 | Portable friction stir deposition additive manufacturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311361879.8A CN117340284B (en) | 2023-10-20 | 2023-10-20 | Portable friction stir deposition additive manufacturing device |
Publications (2)
| Publication Number | Publication Date |
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| CN117340284A true CN117340284A (en) | 2024-01-05 |
| CN117340284B CN117340284B (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311361879.8A Active CN117340284B (en) | 2023-10-20 | 2023-10-20 | Portable friction stir deposition additive manufacturing device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120279441A1 (en) * | 2005-09-26 | 2012-11-08 | Kevin Creehan | System for continuous feeding of filler material for friction stir welding, processing and fabrication |
| CN106985385A (en) * | 2017-04-16 | 2017-07-28 | 吉林大学 | Compound material ultrasound deposits increasing material manufacturing device and method |
| CN114905135A (en) * | 2021-02-08 | 2022-08-16 | 哈尔滨万洲焊接技术有限公司 | Vibration material disk push system and vibration material disk equipment |
| CN116423033A (en) * | 2023-04-19 | 2023-07-14 | 北京航空航天大学 | Material adding head of rod feeding type friction stir material adding manufacturing equipment and working method thereof |
| CN116748662A (en) * | 2023-07-17 | 2023-09-15 | 航天工程装备（苏州）有限公司 | Friction stir welding material adding equipment |
-
2023
- 2023-10-20 CN CN202311361879.8A patent/CN117340284B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120279441A1 (en) * | 2005-09-26 | 2012-11-08 | Kevin Creehan | System for continuous feeding of filler material for friction stir welding, processing and fabrication |
| CN106985385A (en) * | 2017-04-16 | 2017-07-28 | 吉林大学 | Compound material ultrasound deposits increasing material manufacturing device and method |
| CN114905135A (en) * | 2021-02-08 | 2022-08-16 | 哈尔滨万洲焊接技术有限公司 | Vibration material disk push system and vibration material disk equipment |
| CN116423033A (en) * | 2023-04-19 | 2023-07-14 | 北京航空航天大学 | Material adding head of rod feeding type friction stir material adding manufacturing equipment and working method thereof |
| CN116748662A (en) * | 2023-07-17 | 2023-09-15 | 航天工程装备（苏州）有限公司 | Friction stir welding material adding equipment |
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| CN117340284B (en) | 2024-05-28 |
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