CN116408532A - Main shaft system capable of realizing friction material adding and friction stir welding - Google Patents
Main shaft system capable of realizing friction material adding and friction stir welding Download PDFInfo
- Publication number
- CN116408532A CN116408532A CN202310597189.6A CN202310597189A CN116408532A CN 116408532 A CN116408532 A CN 116408532A CN 202310597189 A CN202310597189 A CN 202310597189A CN 116408532 A CN116408532 A CN 116408532A
- Authority
- CN
- China
- Prior art keywords
- main shaft
- rotating
- stir welding
- friction
- friction stir
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003756 stirring Methods 0.000 title claims abstract description 72
- 238000003466 welding Methods 0.000 title claims abstract description 67
- 239000002783 friction material Substances 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 66
- 239000002994 raw material Substances 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 42
- 230000008569 process Effects 0.000 claims description 42
- 239000000654 additive Substances 0.000 claims description 17
- 230000000996 additive effect Effects 0.000 claims description 17
- 239000003638 chemical reducing agent Substances 0.000 claims description 15
- 230000002159 abnormal effect Effects 0.000 claims description 6
- 239000000346 nonvolatile oil Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 230000020347 spindle assembly Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- 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
- B23K20/1245—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 characterised by the apparatus
-
- 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
- B23K20/1245—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 characterised by the apparatus
- B23K20/125—Rotary tool drive mechanism
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention discloses a main shaft system capable of realizing friction material adding and friction stir welding, which comprises a motor bracket; the motor bracket is respectively provided with a power driving part and a rotation driving part; a main shaft rotating bracket is rotatably arranged in the main shaft rotating fixing frame through a bushing; the rotating component is fixedly arranged in the main shaft rotating bracket; polygonal parent metal raw materials are clamped in the rotating assembly; the rotating assembly is flexibly matched with the material adding shaft head/friction stir welding adapter. The polygonal parent material is in transmission connection with the power driving part through an asynchronous rotating speed connecting component; an angle control component is also arranged on one side of the main shaft rotating bracket; the main shaft rotating support is in transmission connection with the rotation driving part. The invention has the characteristics of reasonable structure, rich and practical functions, simple and convenient operation, high utilization rate of equipment, convenient installation, high use performance, convenient daily maintenance and the like, and can realize friction material increase and friction stir welding by utilizing one set of main shaft system.
Description
Technical Field
The invention belongs to the field of friction additive manufacturing and the technical field of friction stir welding, and particularly relates to a main shaft system capable of realizing friction additive and friction stir welding.
Background
With the overall establishment of a green low-carbon cyclic development economic system, friction material addition belongs to a green process mode, not only meets the development goal of carbon neutralization in China, but also has the special advantages, the friction material addition process has lower requirements on environmental influence factors, and the material addition process can be realized by using the friction material addition process in a common atmospheric environment, a vacuum environment, an underwater environment and the like; the friction material-adding process belongs to a solid-phase connection process, and the defect of the melting material-adding process can be effectively avoided in the whole material-adding process due to the special process, and the friction material-adding process is widely focused by vast scholars and scientific researchers at present due to the outstanding advantage of the friction material-adding process. At present, equipment with a friction material increasing function cannot be purchased in China, all laboratories and scientific research institutions commonly reform machine tool equipment with a triaxial moving function to achieve the purpose of friction material increasing, the original equipment is reformed to enable the original equipment to lose the previous function, the failure rate of the reformed equipment to be improved, the existing equipment is reformed to only complete a friction material increasing process, and two sets of processes of friction material increasing and friction stir welding are thrown to achieve low equipment utilization rate.
Disclosure of Invention
The invention aims to provide a main shaft system capable of realizing friction material adding and friction stir welding, so as to solve the problems, provide a system scheme for pressing a base material raw material onto a substrate and simultaneously providing torque for the base material raw material in the material adding process, and then perfectly realize two processes of friction material adding and friction stir welding based on one device.
In order to achieve the above object, the present invention provides the following solutions:
a spindle system capable of friction additive and friction stir welding, comprising:
a motor bracket; the motor bracket is respectively provided with a power driving part and a rotation driving part;
the main shaft rotates the fixing frame; the main shaft rotating fixing frame is arranged at the bottom of the motor bracket; a main shaft rotating bracket is rotatably arranged in the main shaft rotating fixing frame through a bushing;
the rotating assembly is fixedly arranged in the main shaft rotating bracket; polygonal parent material raw materials are fixedly installed in the rotating assembly; and the bottom end of the rotating assembly is flexibly matched with the material adding shaft head/friction stir welding adapter.
The polygonal parent metal raw material is in transmission connection with the power driving part through an asynchronous rotating speed connecting assembly;
an angle control assembly is further arranged on one side of the main shaft rotating support; the angle control component is used for adjusting the rotation angle of the main shaft rotating bracket; the main shaft rotating support is in transmission connection with the rotation driving part.
In the friction material adding operation process, installing a material adding shaft head, enabling a power driving part, an asynchronous rotating speed connecting assembly and a polygonal base material raw material central axis to coincide, enabling the polygonal base material raw material to rotate by the rotating driving part, and starting to operate;
in the friction stir welding operation process, the friction stir welding adapter is replaced, the friction welding adapter is provided with an inclination angle through the angle control assembly, and the rotation driving part rotates the friction welding adapter to perform the friction stir welding process.
Preferably, the rotating assembly comprises a rotating main shaft, the inside of the rotating main shaft is hollow and is vertically arranged, and the polygonal base material raw material is vertically arranged in the rotating main shaft; the outer wall of the rotary spindle is arranged in the spindle shell through a bearing, and the spindle shell is arranged at the center of the bottom of the spindle rotary bracket in a threaded manner;
the two ends of the main shaft shell and the rotating main shaft are respectively in sealing connection through an upper fixed oil retainer and a lower fixed oil retainer;
the outer wall of the bottom of the rotary spindle is provided with threads, and the material adding spindle head/friction stir welding adapter is installed on the threads.
Preferably, the top of the rotating main shaft is also connected with a driven bevel gear in a key way, and the driven bevel gear is axially fixed on the rotating main shaft through a locking positioning nut; the driven bevel gear is meshed with the driving bevel gear; the driving bevel gear is fixedly arranged on the driving bevel gear shaft; the driving bevel gear shaft is rotatably arranged on one side of the main shaft rotating support through a bearing, and is in transmission connection with the rotation driving part.
Preferably, the rotation driving part comprises a high-frequency motor, and a reversing driver is arranged at the bottom of the high-frequency motor in a transmission way; the reversing driver is in transmission connection with the driving bevel gear shaft; the high-frequency motor is fixedly arranged on the motor bracket.
Preferably, the other side of the main shaft rotating bracket extends away from the rotating main shaft to form an engagement column; the angle control assembly is meshed with the meshing teeth on the meshing column; the angle control assembly comprises a planetary gear reducer and an angle control servo motor; one side of the planetary gear reducer is in meshed transmission with the meshing teeth, and the other side of the planetary gear reducer is in transmission connection with the angle control servo motor; the planetary gear reducer is fixedly arranged at one end of the main shaft rotating fixing frame.
Preferably, the power driving part comprises a linear servo motor, and a linear motor push rod is arranged at the output end of the linear servo motor; the linear motor push rod realizes feeding movement of polygonal parent metal raw materials in the vertical direction in the rotary main shaft through an asynchronous rotating speed connecting assembly.
Preferably, the asynchronous rotating speed connecting assembly comprises an abnormal rotating speed connecting upper cover; the top of the different-rotation-speed connecting upper cover is in contact fit with the linear motor push rod; the bottom of the different-rotation-speed connecting upper cover is coaxially and rotatably connected with a different-rotation-speed connecting bearing mounting seat through a bearing; the bottom surface of the different-rotation-speed connecting bearing mounting seat is fixedly provided with a different-rotation-speed connecting lower mounting seat; a connecting bolt is fixedly arranged at the center of the top of the mounting seat under the connection of different rotating speeds; the connecting bolt penetrates through the bearing mounting seat connected with the different rotating speeds and is in threaded connection with the linear motor push rod.
Preferably, the installation groove is formed in the bottom surface of the installation seat under the connection of different rotating speeds, a flexible rubber sleeve is embedded in the installation groove, and the rubber sleeve is in friction fit with the polygonal base material.
Preferably, a shaft sleeve is further installed on the outer wall of the rotary main shaft.
And the friction stir welding stirring head is arranged at the bottom center hole of the friction stir welding adapter and the side set screw.
Compared with the prior art, the invention has the following advantages and technical effects: the polygonal base material raw material is sleeved by the asynchronous rotating speed connecting assembly, so that the polygonal base material raw material is conveniently installed, and meanwhile, the replaceable shaft head at the bottom of the rotating assembly is used for providing torque for the polygonal base material raw material, so that the base material raw material can be abutted by the linear motor push rod and simultaneously rotated along the axis of the material adding shaft head, and the material adding process that the polygonal base material raw material is rotated while being pressed down is realized.
According to the structural scheme provided by the invention, when the material-adding shaft head is replaced by the friction stir welding adapter, the rotation of the main shaft rotating bracket is controlled by the angle control servo motor, so that the friction stir welding process with the adjustable dip angle can be perfectly realized, and the friction stir welding adapter can be adapted to the standardized friction stir welding adapter in the market. The invention has reasonable structure, convenient operation, high utilization rate of equipment, convenient installation, high usability, convenient daily maintenance and the like, and can realize two processes of friction material adding and friction stir welding by utilizing one set of main shaft system.
Drawings
For a clearer description of an embodiment of the invention or of the solutions of the prior art, the drawings that are needed in the embodiment will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:
FIG. 1 is a schematic view of a spindle system according to the present invention;
FIG. 2 is a cross-sectional view of the spindle system of the present invention;
FIG. 3 is a schematic diagram of an asynchronous rotational speed connection assembly according to the present invention;
FIG. 4 is a cross-sectional view of an asynchronous rotational speed connection assembly of the present invention;
FIG. 5 is a schematic view of a spindle rotating gantry;
FIG. 6 is a cross-sectional view of a spindle swivel bracket;
FIG. 7 is a cross-sectional view of a rotating spindle assembly;
FIG. 8 is a schematic illustration of a friction stir welding operation;
FIG. 9 is a schematic illustration of a friction stir welding adapter;
wherein: 1. polygonal base material raw material; 2. a motor bracket; 3. a linear servo motor; 4. a linear motor push rod; 5. the different rotating speeds are connected with the upper cover; 6. the different rotating speeds are connected with the bearing mounting seat; 7. a connecting bolt; 8. the different rotating speeds are connected with the lower mounting seat; 9. a rubber sleeve; 10. a high-frequency motor; 11. a reversing actuator; 12. the main shaft rotates the fixing frame; 13. a driving bevel gear shaft; 14. a bearing end cap; 15. a drive bevel gear; 16. a driven bevel gear; 17. a main shaft rotating bracket; 18. a spindle housing; 19. rotating the main shaft; 20. an oil retainer ring is fixed on the upper part; 21. a lower fixed oil retainer ring; 22. locking the positioning nut; 23. a shaft sleeve; 24. a material adding shaft head; 25. an angle control servo motor; 26. a planetary gear reducer; 27. friction stir welding the adapter.
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.
Embodiment one: referring to fig. 1-9, the invention provides a main shaft system for friction material adding and friction stir welding, which comprises a motor bracket 2, wherein a linear servo motor 3 is rigidly connected to the motor bracket 2, an asynchronous rotating speed connecting assembly is connected to the end part of a linear motor push rod 4 in the linear servo motor 3 in a contact manner, a polygonal base material raw material 1 is sleeved in the asynchronous rotating speed connecting assembly, the upper end surface of the polygonal base material raw material 1 is abutted to the upper end surface of a blind hole of the asynchronous rotating speed connecting assembly, so that the polygonal base material raw material can be pressed down, and the polygonal base material raw material penetrates through the hollow rotating main shaft 19.
Further, the hollow rotating main shaft 19 can be rotated by the power output of the high-frequency motor 10, and the polygonal base material raw material 1 and the material-adding shaft head 24 are in sliding connection and can rotate together with the rotating main shaft 19 so as to realize a friction material-adding process.
Referring to the drawings, the angle control servo motor 25 is in driving engagement with a planetary gear reducer 26, and the planetary gear reducer 26 is in driving engagement with the spindle rotating support 17, so that the spindle rotating support 17 can rotate a certain angle along the axis of the spindle rotating support 12;
the friction stir welding adapter 27 is fixedly connected to the bottom of the rotary main shaft 19 during friction stir welding, and the friction stir welding adapter 27 can be fixedly connected with a friction stir welding stirring head which is already standardized in the market.
Furthermore, in the friction stir welding process, the dip angle of the stirring head has an important influence on the connection quality of the friction stir welding, the dip angle of the stirring head must be adjusted in the process of the friction stir welding process, the friction material adding process can be completed through the system, the dip angle of the stirring head is adjusted through the angle control servo motor 25 on the basis of replacing the friction stir welding adapter 27, the switching of the two processes can be realized, and the utilization rate of equipment is improved.
According to a further optimization scheme, an asynchronous rotating speed connecting assembly freely moves up and down in a rotating main shaft 19 without any interference, and the asynchronous rotating speed connecting assembly is shown in fig. 2, 3 and 4, and comprises an abnormal rotating speed connecting upper cover 5 in contact connection with the lower end face of a linear motor push rod 4, wherein a through hole for a connecting bolt 7 to pass through is formed in the center of the abnormal rotating speed connecting upper cover 5, and the abnormal rotating speed connecting upper cover 5 is rotationally connected to an abnormal rotating speed connecting bearing mounting seat 6;
in one embodiment of the present invention, the stepped hole in the differential rotation speed connection upper cover 5 is respectively connected with a deep groove ball bearing and a thrust ball bearing, the upper step of the differential rotation speed connection bearing mounting seat 6 is connected with the deep groove ball bearing, the lower step of the differential rotation speed connection bearing mounting seat 6 is connected with the thrust ball bearing, the deep groove ball bearing is only centered and does not bear any axial force, the thrust ball bearing is only bear axial pressure, and the thrust ball bearing transmits pressure to the polygonal base material 1 while counteracting the rotation speed provided by the rotating main shaft 19 for the polygonal base material 1.
Furthermore, the connecting bolt 7 penetrates through the different-rotation-speed connecting bearing mounting seat 6 from the bottom and is connected with a threaded hole at the bottom of the linear motor push rod 4, the connecting bolt 7 does not rotate along with the different-rotation-speed connecting bearing mounting seat 6, the asynchronous rotation-speed connecting component can be fixedly connected to the linear motor push rod 4 through the connecting bolt 7, and a threaded through hole which is circumferentially arranged at the bottom of the different-rotation-speed connecting lower mounting seat 8 is fixedly connected with the different-rotation-speed connecting bearing mounting seat 6; the lower end face of the lower mounting seat 8 is provided with a stepped hole, the rubber sleeve 9 can be embedded and mounted in the lower mounting seat 8, and the rubber sleeve 9 is in friction fit with the top end of the polygonal base material 1, so that the polygonal base material 1 does not drop downwards due to gravity.
According to a further optimization scheme, a polygonal base material raw material 1 is matched with an additive shaft head 24, the polygonal base material raw material 1 can slide up and down along a polygonal hole in the additive shaft head 24, the additive shaft head 24 is fixedly matched with the bottom of a rotating main shaft 19 through threads, the rotating main shaft 19 is installed in a main shaft shell 18 through bearing rotating matching, the end part of the rotating main shaft 19 is connected with a driven bevel gear 16 in a key manner, a locking positioning nut 22 on the shaft can axially fix the driven bevel gear 16 on the rotating main shaft 19, the driven bevel gear 16 is in transmission engagement with a driving bevel gear 15, the driving bevel gear 15 is fixed on a driving bevel gear shaft 13 through a screw, the driving bevel gear shaft 13 is rotatably connected in a main shaft rotating support 17, the driving bevel gear shaft 13 is in transmission matching with a reversing driver 11, the reversing driver 11 is in transmission matching with a high-frequency motor 10, and finally the additive shaft head 24 can drive the polygonal base material raw material 1 to synchronously rotate when the high-frequency motor 10 rotates through a series of rotation matching.
In one embodiment of the invention, the driving bevel gear shaft 13 is defined on the spindle rotation bracket 17 by a bearing end cap to prevent horizontal displacement.
In a further optimized scheme, the main shaft rotating fixing frame 12 is fixedly arranged on two sides of the bottom surface of the motor support 2, the main shaft rotating fixing frames 12 on two sides are concentrically arranged, an inner hole of the main shaft rotating fixing frame 12 is rotatably provided with the main shaft rotating support 17 through a friction-reducing bushing, a main shaft shell mounting hole is formed in the center of the bottom surface of the main shaft rotating support 17, and the main shaft shell 18 can be coaxial with the linear motor push rod 4 when the main shaft rotating support 17 deflects by an angle.
When the main shaft rotating bracket 17 is at a non-deflection angle, the linear motor push rod 4 can move to the bottom of the rotating main shaft 19; the linear motor push rod 4 can provide pressure for the polygonal base material raw material in the material adding process, the pressure can be continuously provided until the linear motor push rod 4 moves to the bottom of the rotary main shaft 19, and the material adding shaft head 24 can provide torque for the polygonal base material raw material 1 through cooperation when the high-frequency motor 10 rotates, so that the friction material adding process is realized.
After the required material adding layer is completed, the bottom end of the polygonal base material raw material 1 is provided with a metal flash larger than a discharge hole due to the pressure and torsion action in the material adding process, and the polygonal base material raw material 1 can be separated from the rubber sleeve 9 in the rotary main shaft 19 through the return operation of the linear servo motor 3, so that the process of withdrawing and replacing the polygonal base material raw material 1 is achieved. (during clamping, friction resistance is generated on the clamping part of the polygonal base material 1 through deformation of the rubber sleeve 9, so that the base material 1 is clamped without falling out.)
According to a further optimization scheme, a main shaft rotating support 17 is in running fit with a main shaft rotating fixing frame through a self-lubricating bushing for reducing friction, a meshing column is arranged on the left end shaft of the main shaft rotating support 17 and is in transmission fit with a planetary gear reducer 26, an angle control servo motor 25 is in transmission fit with the planetary gear reducer 26, the angle change of the main shaft does not need to be too fast in the angle control process, but the angle of a sufficient torque control main shaft head has certain stability, the torque can be greatly increased through the planetary gear reducer 26, meanwhile, the occupied space of the planetary gear reducer 26 is small, the standardization degree is high, and the rotating angle of the main shaft rotating support 17 can be accurately controlled through the angle control servo motor 25 in the scheme; and according to the combined structure of the bevel gears, the high-frequency motor 10 can still provide power for the rotary main shaft 19 while the whole main shaft system rotates, and the transmission ratio is not influenced. In the friction stir welding process, the angle control servo motor 25 rotates to control the spindle system to axially rotate along the spindle rotating fixing frame 12, so that the spindle reaches the angle required by the friction stir welding process, and the friction stir welding process can be realized by matching the friction stir welding stirring head after the friction stir welding adapter 27 is replaced.
Embodiment two: according to the invention, hexagonal base material raw materials with inscribed circles of 20mm are filled, the shapes of the multi-shape inner holes of the material-increasing shaft heads 24 and the polygonal base material raw materials are changed, the material-increasing process of various non-cylindrical aluminum alloys or other metals can be realized, the linear servo motor 3 can provide positive pressure of 0-30kn, the high-frequency motor 10 can provide torque rotation speed of 130nm of 0-2000n/min, and the angle control servo motor 25 can control the rotation of the rotating main shaft 19 to +/-5 degrees;
in one embodiment of the invention, the system is fixedly arranged on a machine tool with a triaxial movement function, the extension from the system to equipment can be realized, as shown in a schematic diagram, the back of a motor bracket is provided with two rows of threaded holes, and the main shaft system of the invention can be directly mounted on a ram of the machine tool through threaded connection, so that the development of friction material adding and friction stir welding machine tools can be realized.
The working process of the invention comprises the following steps: (1) in the friction material adding process, the starting angle control servo motor 25 controls the angle of the main shaft to be vertical to the horizontal plane, the polygonal base material raw material 1 enters and exits from the bottom of the material adding shaft head 24 into the rubber sleeve 9 of the asynchronous rotating speed connecting assembly, the polygonal base material raw material 1 can not drop due to gravity due to friction resistance existing between the rubber sleeve 9 and the polygonal base material raw material 1, the high-frequency motor 10 is started to enable the polygonal base material raw material 1 in the material adding shaft head 24 to rotate, and the linear servo motor 3 is started to press the polygonal base material raw material, so that the whole friction material adding process is realized.
(2) The linear servo motor 3 is started to reset, all parts at the bottom of the linear motor push rod 4 are not positioned in the rotary main shaft 19, the material adding shaft head 24 at the bottom of the rotary main shaft 19 is detached, the material adding shaft head is replaced by a friction stir welding adapter 27, a friction stir welding stirring head (a standardized friction stir welding stirring head is not shown in the figure) is arranged in the friction stir welding adapter 27, the angle control servo motor 25 is started to adjust the main shaft to a required angle, and the high-frequency motor 10 is started to rotate the rotary main shaft 19.
Further, the polygonal base material 1 in the rotating main shaft 19 is pushed out before the friction stir welding adapter 27 is replaced.
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," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus 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. A spindle system capable of friction additive and friction stir welding, comprising:
a motor bracket (2); a power driving part and a rotation driving part are respectively arranged on the motor bracket (2);
a main shaft rotating fixing frame (12); the main shaft rotating fixing frame (12) is arranged at the bottom of the motor bracket (2); a main shaft rotating bracket (17) is rotatably arranged in the main shaft rotating fixing frame (12) through a bushing;
the rotating assembly is fixedly arranged in the main shaft rotating bracket (17); polygonal parent material raw materials (1) are clamped in the rotating assembly; the bottom end of the rotating assembly is flexibly matched with the material adding shaft head (24)/friction stir welding adapter (27);
the polygonal parent metal raw material (1) is in transmission connection with the power driving part through an asynchronous rotating speed connecting assembly;
an angle control assembly is further arranged on one side of the main shaft rotating support (17); the angle control component is used for adjusting the rotation angle of the main shaft rotating bracket (17); the main shaft rotating bracket (17) is in transmission connection with the rotation driving part;
in the friction material adding operation process, an material adding shaft head (24) is arranged, so that the power driving part, the asynchronous rotating speed connecting assembly and the central axis of the polygonal base material raw material (1) are overlapped, and the polygonal base material raw material (1) is rotated by the rotating driving part to start operation;
in the friction stir welding operation process, the friction stir welding adapter (27) is replaced, the friction welding adapter (27) is provided with an inclination angle through the angle control assembly, and the friction welding adapter (27) is driven to rotate by the rotation driving part to perform the friction stir welding process.
2. A spindle system capable of friction additive and friction stir welding according to claim 1, characterized in that: the rotating assembly comprises a rotating main shaft (19), wherein the rotating main shaft (19) is hollow and vertically arranged, and the polygonal base material raw material (1) is vertically arranged in the rotating main shaft (19); the outer wall of the rotary main shaft (19) is arranged in the main shaft shell (18) through a bearing, and the main shaft shell (18) is arranged at the center of the bottom of the main shaft rotary bracket (17) in a threaded manner;
the two ends of the main shaft shell (18) and the rotating main shaft (19) are respectively connected in a sealing way through an upper fixed oil retainer (20) and a lower fixed oil retainer (21);
the outer wall of the bottom of the rotary main shaft (19) is provided with threads, and the material adding shaft head (24)/friction stir welding adapter (27) is installed in a threaded mode.
3. A spindle system capable of friction additive and friction stir welding according to claim 2, characterized in that: the top of the rotary main shaft (19) is also connected with a driven bevel gear (16) in a key way, and the driven bevel gear (16) is axially fixed on the rotary main shaft (19) through a locking positioning nut (22); the driven bevel gear (16) is meshed with the driving bevel gear (15); the driving bevel gear (15) is fixedly arranged on the driving bevel gear shaft (13); the driving bevel gear shaft (13) is rotatably arranged on one side of the main shaft rotating support (17) through a bearing, and the driving bevel gear shaft (13) is in transmission connection with the rotating driving part.
4. A spindle system capable of friction additive and friction stir welding according to claim 3, characterized in that: the rotation driving part comprises a high-frequency motor (10), and a reversing driver (11) is arranged at the bottom of the high-frequency motor (10) in a transmission way; the reversing driver (11) is in driving connection with the driving bevel gear shaft (13); the high-frequency motor (10) is fixedly arranged on the motor bracket (2).
5. A spindle system capable of friction additive and friction stir welding according to claim 3, characterized in that: the other side of the main shaft rotating bracket (17) extends away from the rotating main shaft (19) to form an engagement column; the angle control assembly is meshed with the meshing teeth on the meshing column; the angle control assembly comprises a planetary gear reducer (26) and an angle control servo motor (25); one side of the planetary gear reducer (26) is in meshed transmission with the meshed column, and the other side of the planetary gear reducer is in transmission connection with the angle control servo motor (25); the planetary gear reducer (26) is fixedly arranged at one end of the main shaft rotating fixing frame (12).
6. A spindle system capable of friction additive and friction stir welding according to claim 2, characterized in that: the power driving part comprises a linear servo motor (3), and a linear motor push rod (4) is arranged at the output end of the linear servo motor (3); the linear motor push rod (4) realizes feeding movement of the polygonal parent metal raw material (1) in the vertical direction in the rotary main shaft (19) through an asynchronous rotating speed connecting assembly.
7. A spindle system capable of friction additive and friction stir welding according to claim 6, characterized in that: the asynchronous rotating speed connecting assembly comprises an abnormal rotating speed connecting upper cover (5); the top of the different-rotation-speed connecting upper cover (5) is in contact fit with the linear motor push rod (4); the bottom of the different-rotation-speed connecting upper cover (5) is coaxially and rotatably connected with a different-rotation-speed connecting bearing mounting seat (6) through a bearing; the bottom surface of the different-rotation-speed connecting bearing mounting seat (6) is fixedly provided with a different-rotation-speed connecting lower mounting seat (8); a connecting bolt (7) is fixedly arranged at the center of the top of the lower mounting seat (8) connected with the different rotating speeds; the connecting bolt (7) penetrates through the bearing mounting seat (6) with different rotating speeds and is in threaded connection with the linear motor push rod (4).
8. A spindle system capable of friction additive and friction stir welding according to claim 7, wherein: the installation groove is formed in the bottom surface of the installation seat (8) under the connection of different rotation speeds, the flexible rubber sleeve (9) is embedded in the installation groove, and the rubber sleeve (9) is in friction fit with the polygonal base material (1).
9. A spindle system capable of friction additive and friction stir welding according to claim 2, characterized in that: the outer wall of the rotary main shaft (19) is also provided with a shaft sleeve (23).
10. A spindle system capable of friction additive and friction stir welding according to claim 1, characterized in that: and the friction stir welding stirring head is arranged at the bottom center hole of the friction stir welding adapter (27) and a side set screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310597189.6A CN116408532B (en) | 2023-05-25 | 2023-05-25 | Main shaft system capable of realizing friction material adding and friction stir welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310597189.6A CN116408532B (en) | 2023-05-25 | 2023-05-25 | Main shaft system capable of realizing friction material adding and friction stir welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116408532A true CN116408532A (en) | 2023-07-11 |
| CN116408532B CN116408532B (en) | 2023-09-22 |
Family
ID=87057970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310597189.6A Active CN116408532B (en) | 2023-05-25 | 2023-05-25 | Main shaft system capable of realizing friction material adding and friction stir welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116408532B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238507A (en) * | 2019-04-30 | 2019-09-17 | 广东柳泰焊接科技有限公司 | Agitating friction welds main axle structure and its equipment |
| CN111804910A (en) * | 2020-06-30 | 2020-10-23 | 西安交通大学 | Friction stir forging additive manufacturing method and device for nano reinforced matrix composite |
| CN212217435U (en) * | 2020-04-20 | 2020-12-25 | 上海拓璞数控科技股份有限公司 | Main shaft welding device suitable for friction stir welding machine tool and friction stir welding machine tool |
| CN112958902A (en) * | 2021-02-05 | 2021-06-15 | 山东大学 | Wire-filling static shaft shoulder friction stir welding and material increase manufacturing device and method |
| CN113857643A (en) * | 2021-09-17 | 2021-12-31 | Dig自动化工程（武汉）有限公司 | Friction stir welding additive manufacturing mechanism based on powder |
| CN114378423A (en) * | 2021-11-30 | 2022-04-22 | 广州瑞松威尔斯通智能装备有限公司 | Friction stir welding head assembly |
| CN115121813A (en) * | 2022-07-04 | 2022-09-30 | 河北科技大学 | Auxiliary heating friction material increase main shaft system capable of automatically clamping base material and ejecting excess material |
| US20230057714A1 (en) * | 2021-08-19 | 2023-02-23 | Harbin Institute Of Technology | Friction head and friction additive manufacturing method of adjusting components and synchronously feeding material |
| CN115709330A (en) * | 2022-11-29 | 2023-02-24 | 江苏理工学院 | Friction stir welding method with extra height and no keyhole |
| CN116021143A (en) * | 2023-01-19 | 2023-04-28 | 东北大学 | Copper or aluminum pipe type bus girth friction stir welding device and welding method thereof |
-
2023
- 2023-05-25 CN CN202310597189.6A patent/CN116408532B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238507A (en) * | 2019-04-30 | 2019-09-17 | 广东柳泰焊接科技有限公司 | Agitating friction welds main axle structure and its equipment |
| CN212217435U (en) * | 2020-04-20 | 2020-12-25 | 上海拓璞数控科技股份有限公司 | Main shaft welding device suitable for friction stir welding machine tool and friction stir welding machine tool |
| CN111804910A (en) * | 2020-06-30 | 2020-10-23 | 西安交通大学 | Friction stir forging additive manufacturing method and device for nano reinforced matrix composite |
| CN112958902A (en) * | 2021-02-05 | 2021-06-15 | 山东大学 | Wire-filling static shaft shoulder friction stir welding and material increase manufacturing device and method |
| US20230057714A1 (en) * | 2021-08-19 | 2023-02-23 | Harbin Institute Of Technology | Friction head and friction additive manufacturing method of adjusting components and synchronously feeding material |
| CN113857643A (en) * | 2021-09-17 | 2021-12-31 | Dig自动化工程（武汉）有限公司 | Friction stir welding additive manufacturing mechanism based on powder |
| CN114378423A (en) * | 2021-11-30 | 2022-04-22 | 广州瑞松威尔斯通智能装备有限公司 | Friction stir welding head assembly |
| CN115121813A (en) * | 2022-07-04 | 2022-09-30 | 河北科技大学 | Auxiliary heating friction material increase main shaft system capable of automatically clamping base material and ejecting excess material |
| CN115709330A (en) * | 2022-11-29 | 2023-02-24 | 江苏理工学院 | Friction stir welding method with extra height and no keyhole |
| CN116021143A (en) * | 2023-01-19 | 2023-04-28 | 东北大学 | Copper or aluminum pipe type bus girth friction stir welding device and welding method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116408532B (en) | 2023-09-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202540054U (en) | Numerical control device | |
| CN110883617A (en) | Circular tube cylindrical grinding device | |
| CN103600107B (en) | Radial feed boring bearing mounting hole inside holes device | |
| CN205496626U (en) | Porous door shape horizontal drilling machine of adjustable pitch -row | |
| CN205571416U (en) | Planetary lathe of not being in mood for of machining radius adjustable | |
| CN115815651B (en) | Boring machine special for machining inner holes of roller sleeves | |
| CN204565692U (en) | A kind of clamping device for bar non-radial hole drilling processing | |
| CN112692322A (en) | Special multi-head drill for drilling from inside to outside | |
| CN115121813B (en) | Auxiliary heating friction material increase main shaft system capable of automatically clamping base material and ejecting excess material | |
| CN112872391A (en) | Precision halving device and power tool turret provided with same | |
| CN116408532B (en) | Main shaft system capable of realizing friction material adding and friction stir welding | |
| CN108274021B (en) | Circular big cylinder inner wall threading device | |
| CN208033729U (en) | A kind of portable centre hole drilling machine | |
| CN112792918B (en) | Adjustable two hole device that bore of interval | |
| CN107363294B (en) | Self-boring taper hole device of internal transmission chain | |
| CN113600898A (en) | Turning and milling combined type rotary table | |
| CN215698081U (en) | Lifting servo turret | |
| CN111168121B (en) | Tool bar for reducing housing and roughly boring differential bearing hole of automobile drive axle and machining method thereof | |
| CN205043204U (en) | Large -scale boring machine | |
| CN210937933U (en) | Ultrasonic rolling device for large-diameter metal inner spherical surface | |
| CN109622994B (en) | Reprocessing device for hole reaming and non-hole repairing in hole machining | |
| CN220028897U (en) | Special machine tool | |
| CN113523547B (en) | Laser cutting system with automatic feeding function | |
| CN112974890B (en) | Deep hole molded line boring device | |
| CN220330618U (en) | Special comprehensive clamp capable of replacing five-axis machining center to be used on three axes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |