CN103990906A - Aluminum alloy friction stir welding electric spindle - Google Patents
Aluminum alloy friction stir welding electric spindle Download PDFInfo
- Publication number
- CN103990906A CN103990906A CN201410262553.4A CN201410262553A CN103990906A CN 103990906 A CN103990906 A CN 103990906A CN 201410262553 A CN201410262553 A CN 201410262553A CN 103990906 A CN103990906 A CN 103990906A
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- Prior art keywords
- rotating shaft
- communicated
- housing
- pull bar
- hollow
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Classifications
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- 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
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- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/003—Cooling means
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- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/10—Aluminium or alloys thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention relates to the technical field of electric spindles, in particular to an aluminum alloy friction stir welding electric spindle. The aluminum alloy friction stir welding electric spindle comprises a shell, a rotating shaft, an outer water sleeve, a rotor component, a stator component, a front and rear bearing assembly, a stirring head, a knife handle and a pull rod. The stirring head is fixed on the knife handle through an ER sandwich clamping cap, and the knife handle is positioned and fixed through an inner taper hole which is formed in the front end face of the rotating shaft. The pull rod is placed inside the rotating shaft, the pull rod is fixedly connected with the knife handle through threaded connection, and balls inside the spindle can conduct oil mist lubrication. The knife handle is a hollow knife handle, the pull rod is a hollow pull rod, the rotating shaft is of a hollow structure, and a cooling air channel mechanism is arranged on the rotating shaft. A load automatic adjusting mechanism is mounted on the rear portion of a rear large cover. The aluminum alloy friction stir welding electric spindle is compact in structure, the stirring head can be replaced simply and conveniently, the cooling effect of the spindle is good, the service life of bearings is long, the spindle can be welded for a long time, production efficiency is high, the spindle can automatically adjust and bear loads, the bearing pressure is large, and the applicability is wide.
Description
Technical field
The present invention relates to electric spindle technology field, especially a kind of aluminum alloy stirring friction welding electricity main shaft.
Background technology
Friction stir welding is a kind of novel solder technology, as advanced person's solid-state interconnection technique, be widely used in the connection manufacture of aluminum alloy junction member, large area replaces fusion welding method, especially in the high speed of modern delivery vehicle, lightness process, technical economic benefit is remarkable.As functional part main in automatic welding device, main axle structure is complicated, belt drives or the Mechanical Driven of adopting more, rotating speed poor controllability, spindle vibration is large, poor welding quality, machine structure is huge simultaneously, part adopts the main shaft of transducer drive, but stirring-head can not quick-replaceable, long-time welding because of stirring-head temperature rise higher fragile, easily cause welding quality unstable, the temperature rise of the main shaft of impact welding simultaneously, cause the main shaft life-span shorter, reliability is not high, production efficiency is low, in addition, when friction welding, larger load is born in rotating shaft, cause the yielding bending of rotating shaft, bearing damage, main shaft precision reduces, welding quality is not high.
summary of the invention
Goal of the invention of the present invention is to overcome difficult replacing of stirring-head that prior art exists, stirring-head and main shaft temperature rise, reliability is not high, the defect that spindle deformation causes main shaft precision to reduce, thereby realize a kind of stirring-head, easily change, stirring-head and main shaft temperature rise are low, and canonical loading regulates automatically, reliability is high, the aluminum alloy stirring friction welding electricity main shaft that main shaft precision is high.
For achieving the above object, technical scheme of the present invention is: a kind of aluminum alloy stirring friction welding electricity main shaft, comprise housing, rotating shaft, outer water jacket, rotor part and stator component, drive end bearing bracket and Hou great Gai, front and back bearings assembly, stirring-head, handle of a knife, pull bar, described rotating shaft is set in main shaft housing by front and back bearings assembly, between rotating shaft and housing, be provided with stator component and rotor part, described housing periphery is provided with housing cooling body, front and back bearings assembly comprises fore bearing, rear bearing, rear axle bearing sleeve and front outer dottle pin, rear outer dottle pin, described rear axle bearing sleeve is set in rotating shaft back segment, described front and back bearings assembly is fixed by the front nut and the back nut that are arranged in rotating shaft, stirring-head is fixed on handle of a knife by ER sandwich folder cap, the internal taper hole location that handle of a knife arranges by rotating shaft front end face is fixing, pull bar is positioned at rotating shaft inside, pull bar is threaded connection with handle of a knife and is fixedly connected with, described front outer dottle pin, on the circumference external diameter of rear outer dottle pin and end face, be provided with the nozzle opening of connection, described housing and outer water jacket outer surface are near two groups of front and back bearing and front outer dottle pin, rear outer dottle pin position is respectively arranged with fuel feed hole and oil outlet, on fuel feed hole and oil outlet, be separately installed with inlet nozzle and oil outlet, described fuel feed hole end is communicated with the gas channel arranging in housing, described gas channel is communicated with the nozzle opening of front outer dottle pin and rear outer dottle pin, finally be communicated with oil outlet, described inlet nozzle and oil outlet external oil collecting device of air, high-pressure oil gas is entered by inlet nozzle, before gas channel in housing arrives, in the middle of rear outer dottle pin, by front, nozzle opening ejection on rear outer dottle pin, arrive bearing ball, realize the oil-air lubrication of bearing, described handle of a knife and pull bar are respectively hollow handle of a knife and hollow pull rod, described rotating shaft is hollow structure, and rotating shaft position is provided with cooling gas circuit mechanism, and described back end of tie rod setting is provided with swivel joint, the cooling source of the gas of the external high pressure of swivel joint, described cooling gas circuit mechanism is communicated with swivel joint, described rear large postoperculum is provided with load automatic mechanism.
Cooling gas circuit in the cooling gas circuit of stirring-head that described cooling gas circuit mechanism comprises and axle: described stirring-head cold gas route hollow pull rod is communicated with the hollow knife petioliform fixing with hollow pull rod screw thread and becomes, the rotating shaft that described rotating shaft middle part is provided with three groups of circumference uniform distributions is pore radially, two groups of rotating shafts of close rotor part radially pore are communicated with the rotor air cavity arranging between rotating shaft and rotor part, another group rotating shaft radially pore is communicated with the inner air flue of the rotating shaft arranging in rotating shaft, and the inner air flue end of described rotating shaft leads to rotating shaft and drive end bearing bracket gap location, hollow pull rod is provided with pull bar groove near rotor part front end position, hollow pull rod is being provided with radially pore of pull bar near position, rotor part rear end, described pull bar radially pore and rotating shaft radially pore be communicated with, and pull bar groove and pull bar radially pore both sides are respectively arranged with sealing cannelure, in described sealing cannelure, sealing ring is installed, pull bar groove by rotating shaft radially pore the inner air flue of rotating shaft and rotor air cavity are communicated with, finally form and from rear end to front end, be communicated with successively hollow pull rod, rotor air cavity, pull bar groove, cooling gas circuit in the axle of the inner air flue of rotating shaft.
Described load automatic mechanism comprises rear pressing cover, active body, off-loading pin, rubber ring, driven member and adjusting bearing, described rear large lid regulates bearing near installing on the external diameter step of rotating shaft rear end, the clamp nut that described adjusting bearing is arranged by right side is fixed, regulating shaft bearing outer-ring is installed with driven member, rear pressing cover is connected with roller end by bolt, and rear pressing cover is fixedly connected with active body, active body and driven member size coupling, and both are correspondence position uniform mating holes that is provided with on counterface, in driven member mating holes, rubber ring is installed, in the mating holes of active body and driven member, be also provided with off-loading pin.
Described housing cooling body comprises spiral cooling tube, water inlet tap and faucet, described spiral cooling tube is fixedly installed between housing and outer water jacket, described faucet is arranged on housing front end outer surface, and faucet is communicated with spiral cooling tube by the housing inner lead arranging in housing, described water inlet tap is arranged on rear large exterior surface, rear large lid inside is provided with rear large lid inner lead corresponding with housing inner lead and that be communicated with, described rear large lid inner lead is communicated with water inlet tap, the external high-pressure coolant of described water inlet tap.
Described rotor part two ends are respectively arranged with forward horizontal stand ring and the back balance ring being sleeved in rotating shaft.
Use procedure or the duty of aluminum alloy stirring friction welding electricity main shaft of the present invention: by external frequency converter, drive the present invention's electricity main shaft to run up, and drive stirring-head to rotate, by inserting two soldered Al alloy parts joints under External Force Acting, stirring-head and the soldered Al alloy parts generation frictional heat that rubs fast, the temperature of contact point aluminum alloy materials is raise, intensity declines, then stirring-head moves forward along the interface to be welded of welded Al alloy parts, stirring by stirring-head to aluminum alloy materials, friction, make aluminum alloy materials to be welded be heated to thermoplasticity state, under the drive of stirring-head High Rotation Speed, aluminum alloy materials in mecystasis shifts after by forward direction around stirring-head, while is in conjunction with the squeezing action of stirring-head Resistance of Weld Metal, under the synergy of heat-machine, material diffusion is connected to form fine and close intermetallic solid phase connection.Simultaneously, high pressure refrigerating gas is divided into two-way after entering hollow pull rod cavity by swivel joint, and in a route hollow pull rod, air channel, through hollow handle of a knife endoporus, sprays by ER sandwich gap, arrive stirring-head and Welded workpiece working face, realize countershaft and stirring-head and carry out cooling; One road high pressure refrigerating gas through hollow pull rod back segment pull bar radially pore and rotating shaft radially pore enter rotor air cavity, through turning pull bar groove, enter again the inner air flue of rotating shaft, finally arrive rotating shaft and drive end bearing bracket gap location, reduce rotating shaft internal temperature rise, gases at high pressure play sealing function simultaneously; High-pressure coolant is entered by water inlet tap, through housing inner lead, enters spiral cooling tube outward, finally by faucet, flows out, and reduces the temperature rise that spindle motor group produces.
Aluminum alloy stirring friction welding electricity main shaft of the present invention is adjusted the principle of load automatically: in rotating shaft, run up simultaneously, rear pressing cover drives active body to rotate, and by driving driven member to rotate under uniform off-loading pin effect.When main shaft friction welding, stirring-head is when two soldered aluminium alloy plate agitating frictions move, bear larger Radial resistant force load, the stressed generation flexural deformation of rotating shaft, active body operating condition changes because of the stressed bending of rotating shaft, produce axial dipole field with desirable movement locus, now, distance between active body and driven member changes by being parallel to each other, a stressed lateral extent reduces, non-stress one lateral extent increases, now, under the mutual elastic reaction by off-loading pin and driven member rubber ring, reduce the trend of this kind of deformation effect, at regulating shaft, forward under moving cooperation, driven member synchronize with active body rotate maintain stressed evenly, thereby cut and be subject to the load that Radial resistant force increases because of rotating shaft, reach the effect of automatic adjusting payload.
Beneficial effect of the present invention:
1. aluminum alloy stirring friction welding of the present invention electricity main shaft, compact conformation, adopts transducer drive, and rotating speed is controlled, and main shaft nuclear interface standardizing coordinates supporting handle of a knife, changes stirring-head simple and convenient, significantly improves the ease for use of equipment.
2. aluminum alloy stirring friction welding of the present invention electricity main shaft; be provided with cooling gas circuit mechanism; and cooling gas circuit in the cooling gas circuit of stirring-head that cooling gas circuit mechanism comprises and axle; in axle, cooling gas circuit is improved main shaft cooling effect greatly; improved greatly the life-span of electric main shaft; the cooling gas circuit of stirring-head is that main shaft can weld for a long time and need not shut down frequently coolingly, has greatly improved production efficiency.
3. aluminum alloy stirring friction welding of the present invention electricity main shaft, rear large postoperculum is provided with load automatic mechanism, main shaft can be adjusted bearing load automatically according to load, significantly improved the bearing pressure of electric main shaft, make electric main shaft adapt to the user demand under various operating modes, make the applicability of a main shaft wider.
Accompanying drawing explanation
Fig. 1 is the perspective view of aluminum alloy stirring friction welding electricity main shaft;
Fig. 2 is the sectional structure schematic diagram of aluminum alloy stirring friction welding electricity main shaft;
Fig. 3 is the three-dimensional sectional structure schematic diagram of aluminum alloy stirring friction welding electricity main shaft;
Fig. 4 is the housing cooling body structural representation of aluminum alloy stirring friction welding electricity main shaft.
The specific embodiment
Below in conjunction with accompanying drawing, also by specific embodiment aluminum alloy stirring friction welding electricity main shaft of the present invention is done to more detailed description.
Embodiment 1:
Referring to Fig. 1-4:1-housing, 2-rotating shaft, the outer water jacket of 3-, 4-rotor part, 5-stator component, 6-drive end bearing bracket, after 7-, cover greatly, 8-front and back bearings assembly, 801-fore bearing, 802-rear bearing, 803-rear axle bearing sleeve, outer dottle pin before 804-, outer dottle pin after 805-, 806-nozzle opening, 9-stirring-head, 10-hollow handle of a knife, 11-hollow pull rod, 12-housing cooling body, 121-spiral cooling tube, 122-water inlet tap, 123-faucet, 124-housing inner lead, large lid inner lead after 125-, nut before 13-, 14-back nut, 15-ER sandwich, 16-fuel feed hole, 17-oil outlet, 18-inlet nozzle, 19-oil outlet, the cooling gas circuit of 20-mechanism, 201-rotating shaft is pore radially, 202-rotor air cavity, the inner air flue of 203-rotating shaft, 204-pull bar groove, 205-pull bar is pore radially, 206-sealing ring, 21-swivel joint, the 22-automatic mechanism of loading, 221-rear pressing cover, 222-active body, 223-off-loading pin, 224-rubber ring, 225-driven member, 226-regulates bearing, 227-clamp nut, 23-forward horizontal stand ring, 24-back balance ring.
Aluminum alloy stirring friction welding electricity main shaft of the present invention, comprise housing 1, rotating shaft 2, outer water jacket 3, rotor part 4 and stator component 5, drive end bearing bracket 6 and rear large lid 7, front and back bearings assembly 8, stirring-head 9, handle of a knife, pull bar, described rotating shaft 2 is set in main shaft housing 1 by front and back bearings assembly 8, between rotating shaft 2 and housing 1, be provided with rotor part 4 and stator component 5, described housing 1 periphery is provided with housing cooling body 12, front and back bearings assembly 8 comprises fore bearing 801, rear bearing 801, rear axle bearing sleeve 803 and front outer dottle pin 804, rear outer dottle pin 805, described rear axle bearing sleeve 803 is set in rotating shaft 2 back segments, described front and back bearings assembly 8 is fixing by the front nut 13 and the back nut 14 that are arranged in rotating shaft 2, stirring-head 9 is fixed on handle of a knife by ER sandwich 15, the internal taper hole location that handle of a knife arranges by rotating shaft 2 front end faces is fixing, pull bar is positioned at rotating shaft 2 inside, pull bar is threaded connection with handle of a knife and is fixedly connected with, described front outer dottle pin 804, on the circumference external diameter of rear outer dottle pin 805 and end face, be provided with the nozzle opening 806 of connection, described housing 1 and outer water jacket 3 outer surfaces are near two groups of front and back bearing and front outer dottle pin 804, rear outer dottle pin 805 positions are respectively arranged with fuel feed hole 16 and oil outlet 17, on fuel feed hole 16 and oil outlet 17, be separately installed with inlet nozzle 18 and oil outlet 19, described fuel feed hole 16 ends are communicated with the gas channel arranging in housing 1, described gas channel is communicated with the nozzle opening 806 of front outer dottle pin 804 and rear outer dottle pin 805, finally be communicated with oil outlet 17, described inlet nozzle 18 and oil outlet 19 external oil collecting device of air, described handle of a knife and pull bar are respectively hollow handle of a knife 10 and hollow pull rod 11, described rotating shaft 2 is hollow structure, rotating shaft 2 positions are provided with cooling gas circuit mechanism 20, described hollow pull rod 11 rear ends arrange swivel joint 21 are installed, the cooling source of the gas of the external high pressure of swivel joint 21, described cooling gas circuit mechanism 20 is communicated with swivel joint 21, described rear large lid 7 rear portions are provided with load automatic mechanism 22.
Cooling gas circuit in the cooling gas circuit of stirring-head that described cooling gas circuit mechanism 20 comprises and axle: described stirring-head cold gas route hollow pull rod 11 is communicated with the hollow handle of a knife fixing with hollow pull rod 11 screw threads 10 and forms, the rotating shaft that described rotating shaft 2 middle parts are provided with three groups of circumference uniform distributions is pore 201 radially, two groups of rotating shafts of close rotor part 4 radially pore 201 are communicated with the rotor air cavity 202 arranging between rotating shafts 2 and rotor part 4, another group rotating shaft radially pore 201 is communicated with the inner air flue 203 of rotating shaft of rotating shaft 2 interior settings, and inner air flue 203 ends of described rotating shaft lead to rotating shaft 2 and drive end bearing bracket 6 gap locations, hollow pull rod 11 is provided with pull bar groove 204 near rotor part 4 front end positions, hollow pull rod 11 is being provided with radially pore 205 of pull bar near rotor part 4 positions, rear end, described pull bar radially pore 205 and rotating shaft radially pore 201 be communicated with, and pull bar groove 204 and pull bar are radially respectively arranged with sealing cannelure in pore 205 both sides, in described sealing cannelure, sealing ring 206 is installed, pull bar groove 204 by rotating shaft radially pore 201 the inner air flue 203 of rotating shaft and rotor air cavity 202 are communicated with, finally form and from rear end to front end, be communicated with successively hollow pull rod 11, rotor air cavity 202, pull bar groove 204, cooling gas circuit in the axle of the inner air flue 203 of rotating shaft.
Described load automatic mechanism 22 comprises rear pressing cover 221, active body 222, off-loading pin 223, rubber ring 224, driven member 225 and adjusting bearing 226, described rear large lid 7 regulates bearing 226 near installing on rotating shaft 2 rear end external diameter steps, the clamp nut 227 that described adjusting bearing 226 is arranged by right side is fixing, regulate bearing 226 outer rings to be installed with driven member 225, rear pressing cover 221 is connected with rotating shaft 2 ends by bolt, and rear pressing cover 221 is fixedly connected with active body 222, active body 222 and driven member 225 size couplings, and both are correspondence position uniform mating holes that is provided with on counterface, rubber ring 224 is installed in the mating holes of driven member 225, in the mating holes of active body 222 and driven member 225, be also provided with off-loading pin 223.
Described housing cooling body 12 comprises spiral cooling tube 121, water inlet tap 122 and faucet 123, described spiral cooling tube 121 is fixedly installed between housing 1 and outer water jacket 3, described faucet 123 is arranged on housing 1 front end outer surface, and faucet 123 is communicated with spiral cooling tube 121 by the housing inner lead 124 of housing 1 interior setting, described water inlet tap 122 is arranged on rear large lid 7 outer surfaces, rear large lid 7 inside are provided with rear large lid inner lead 125 corresponding with housing inner lead 124 and that be communicated with, described rear large lid inner lead 125 is communicated with water inlet tap 122, the external high-pressure coolant of described water inlet tap 122.
Described rotor part 4 two ends are respectively arranged with forward horizontal stand ring 23 and the back balance ring 24 being sleeved in rotating shaft 2.
Claims (5)
1. aluminum alloy stirring friction welding electricity main shaft, comprise housing, rotating shaft, outer water jacket, rotor part and stator component, drive end bearing bracket and Hou great Gai, front and back bearings assembly, stirring-head, handle of a knife, pull bar, described rotating shaft is set in main shaft housing by front and back bearings assembly, between rotating shaft and housing, be provided with motor stator and rotor, described housing periphery is provided with housing cooling body, front and back bearings assembly comprises fore bearing, rear bearing, rear axle bearing sleeve and front outer dottle pin, rear outer dottle pin, described rear axle bearing sleeve is set in rotating shaft back segment, described front and back bearings assembly is fixed by the front nut and the back nut that are arranged in rotating shaft, stirring-head is fixed on handle of a knife by ER sandwich folder cap, the internal taper hole location that handle of a knife arranges by rotating shaft front end face is fixing, pull bar is positioned at rotating shaft inside, pull bar is threaded connection with handle of a knife and is fixedly connected with, it is characterized in that: described front outer dottle pin, on the circumference external diameter of rear outer dottle pin and end face, be provided with the nozzle opening of connection, described housing and outer water jacket outer surface are near two groups of front and back bearing and front outer dottle pin, rear outer dottle pin position is respectively arranged with fuel feed hole and oil outlet, on fuel feed hole and oil outlet, be separately installed with inlet nozzle and oil outlet, described fuel feed hole end is communicated with the gas channel arranging in housing, described gas channel is communicated with the nozzle opening of front outer dottle pin and rear outer dottle pin, finally be communicated with oil outlet, described inlet nozzle and oil outlet external oil collecting device of air, described handle of a knife and pull bar are respectively hollow handle of a knife and hollow pull rod, described rotating shaft is hollow structure, and rotating shaft position is provided with cooling gas circuit mechanism, and described back end of tie rod is provided with swivel joint, the cooling source of the gas of the external high pressure of swivel joint, described cooling gas circuit mechanism is communicated with swivel joint, described rear large postoperculum is provided with load automatic mechanism.
2. according to the aluminum alloy stirring friction welding electricity main shaft of claim 1, it is characterized in that: cooling gas circuit in the cooling gas circuit of stirring-head that described cooling gas circuit mechanism comprises and axle: described stirring-head cold gas route hollow pull rod is communicated with the hollow knife petioliform fixing with hollow pull rod screw thread and becomes, the rotating shaft that described rotating shaft middle part is provided with three groups of circumference uniform distributions is pore radially, two groups of rotating shafts of close rotor part radially pore are communicated with the rotor air cavity arranging between rotating shaft and rotor part, another group rotating shaft radially pore is communicated with the inner air flue of the rotating shaft arranging in rotating shaft, and the inner air flue end of described rotating shaft leads to rotating shaft and drive end bearing bracket gap location, hollow pull rod is provided with pull bar groove near rotor part front end position, hollow pull rod is being provided with radially pore of pull bar near position, rotor part rear end, described pull bar radially pore and rotating shaft radially pore be communicated with, and pull bar groove and pull bar radially pore both sides are respectively arranged with sealing cannelure, in described sealing cannelure, sealing ring is installed, pull bar groove by rotating shaft radially pore the inner air flue of rotating shaft and rotor air cavity are communicated with, finally form and from rear end to front end, be communicated with successively hollow pull rod, rotor air cavity, pull bar groove, cooling gas circuit in the axle of the inner air flue of rotating shaft.
3. according to the aluminum alloy stirring friction welding electricity main shaft of claim 1, it is characterized in that: described load automatic mechanism comprises rear pressing cover, active body, off-loading pin, rubber ring, driven member and adjusting bearing, described rear large lid regulates bearing near installing on the external diameter step of rotating shaft rear end, the clamp nut that described adjusting bearing is arranged by right side is fixed, regulating shaft bearing outer-ring is installed with driven member, rear pressing cover is connected with roller end by bolt, and rear pressing cover is fixedly connected with active body, active body and driven member size coupling, and both are correspondence position uniform mating holes that is provided with on counterface, in driven member mating holes, rubber ring is installed, in the mating holes of active body and driven member, be also provided with off-loading pin.
4. according to the aluminum alloy stirring friction welding electricity main shaft of claim 1, it is characterized in that: described housing cooling body comprises spiral cooling tube, water inlet tap and faucet, described spiral cooling tube is fixedly installed between housing and outer water jacket, described faucet is arranged on housing front end outer surface, and faucet is communicated with spiral cooling tube by the housing inner lead arranging in housing, described water inlet tap is arranged on rear large exterior surface, rear large lid inside is provided with rear large lid inner lead corresponding with housing inner lead and that be communicated with, described rear large lid inner lead is communicated with water inlet tap, the external high-pressure coolant of described water inlet tap.
5. according to the aluminum alloy stirring friction welding electricity main shaft of claim 1, it is characterized in that: described rotor part two ends are respectively arranged with forward horizontal stand ring and the back balance ring being sleeved in rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410262553.4A CN103990906B (en) | 2014-06-13 | 2014-06-13 | Aluminum alloy stirring friction welding electro spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410262553.4A CN103990906B (en) | 2014-06-13 | 2014-06-13 | Aluminum alloy stirring friction welding electro spindle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103990906A true CN103990906A (en) | 2014-08-20 |
| CN103990906B CN103990906B (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410262553.4A Expired - Fee Related CN103990906B (en) | 2014-06-13 | 2014-06-13 | Aluminum alloy stirring friction welding electro spindle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104985319A (en) * | 2015-01-04 | 2015-10-21 | 上海拓璞数控科技有限公司 | Plug repair welding spindle |
| CN110315386A (en) * | 2019-07-17 | 2019-10-11 | 哈尔滨理工大学 | A kind of Novel electric spindle cooling device |
| CN111843179A (en) * | 2020-07-30 | 2020-10-30 | 北京赛福斯特技术有限公司 | Multi-machine-head moving gantry friction stir welding device |
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| JP2001205459A (en) * | 2000-01-25 | 2001-07-31 | Kobe Steel Ltd | Friction stir joining equipment and friction stir joining method |
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| CN103084730A (en) * | 2013-01-29 | 2013-05-08 | 安阳斯普机械有限公司 | Motorized main shaft for friction welding |
| CN203526564U (en) * | 2013-08-07 | 2014-04-09 | 安阳工学院 | Spiral dual-cooling-channel high speed motorized spindle |
| CN203875476U (en) * | 2014-06-13 | 2014-10-15 | 安阳工学院 | Aluminum alloy friction stir welding motorized spindle |
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| CN104985319A (en) * | 2015-01-04 | 2015-10-21 | 上海拓璞数控科技有限公司 | Plug repair welding spindle |
| CN110315386A (en) * | 2019-07-17 | 2019-10-11 | 哈尔滨理工大学 | A kind of Novel electric spindle cooling device |
| CN111843179A (en) * | 2020-07-30 | 2020-10-30 | 北京赛福斯特技术有限公司 | Multi-machine-head moving gantry friction stir welding device |
| CN111843179B (en) * | 2020-07-30 | 2022-03-15 | 北京赛福斯特技术有限公司 | Multi-machine-head moving gantry friction stir welding device |
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