CN106891089A - A kind of multiplex main axle structure - Google Patents
A kind of multiplex main axle structure Download PDFInfo
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- CN106891089A CN106891089A CN201710187378.0A CN201710187378A CN106891089A CN 106891089 A CN106891089 A CN 106891089A CN 201710187378 A CN201710187378 A CN 201710187378A CN 106891089 A CN106891089 A CN 106891089A
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- connecting rod
- main shaft
- main
- reduction box
- electric cylinder
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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
-
- 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
- B23K20/26—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Accessories For Mixers (AREA)
Abstract
Multiplex main axle structure disclosed by the invention includes main shaft, main motor, first transmission mechanism and pumpback device, main motor is connected with the first transmission mechanism, main shaft is connected with the first transmission mechanism, first transmission mechanism is arranged in the first reduction box, main shaft is uprightly arranged in main spindle box body, axially extending bore is offered on main shaft, pumpback device is removably mounted on the first reduction box, main spindle box body is fixed on the lower end of the first reduction box, pumpback device includes servomotor setting up and down, second reduction box and electric cylinder, servomotor is connected with the second reduction box, second reduction box is connected with electric cylinder, the output end of electric cylinder is detachably connected with connecting rod, connecting rod is set through axially extending bore.The main axle structure can be used as friction welding apparatus and numerical control machining center, realize quick, the flexible conversion between friction welding apparatus and numerical control machining center, the range of application of equipment is greatly expanded, the requirement of user's a tractor serves several purposes is met, equipment purchase cost is significantly saved.
Description
Technical field
The present invention relates to a kind of main axle structure, specifically a kind of multiplex main axle structure.
Background technology
Research and application with the country to agitating friction welding technology, technology are gradually mature and stable, have started to extensive use
In high ferro, Aero-Space and pipeline welding processing.The advantage of agitating friction weldering is too numerous to enumerate, but it has a significant drawback,
When being exactly that stirring-head leaves weld seam, a pit, referred to as keyhole can be left in weld seam end.The presence of keyhole not only have impact on
Weld seam is attractive in appearance, also can to a certain extent influence the Weld Performance of weldment end.
With the development of friction welding technology, pumpback formula agitating friction weldering has properly settled keyhole problem, therefore more and more
Producer welding processing is carried out using pumpback formula friction welding (FW).Fig. 1 is the structural representation of pumpback formula stirring-head, wherein, 1 is stirring
Pin, 2 is stirring-head（The shaft shoulder）, 3 is handle of a knife.The principle of pumpback formula agitating friction weldering is by mixing needle and stirring-head（The shaft shoulder）Point
From, mixing needle axial stretching is controlled using control system, keyhole thus can be automatically eliminated in welding process, improve weldment matter
Amount.
Current friction stir welding machine is special equipment, especially with the friction stir welding machine of pumpback formula process,
Friction processing can only be stirred.When producer needs production transition or interim increase Numerical Control Processing Working Procedure, friction welding (FW) special plane
Can only leave unused, need to separately purchase numerical control machining center, this brings larger pressure to the production cost of producer.
The content of the invention
The technical problems to be solved by the invention are：In view of the shortcomings of the prior art, there is provided one kind can not only be used for friction welding (FW)
Equipment use, the multiplex main axle structure used but also as numerical control machining center, its simple structure, by simple transformation
Quick, the flexible conversion between friction welding apparatus and numerical control machining center are realized, the range of application of equipment is greatly expanded, can be met
The requirement of user's a tractor serves several purposes, significantly saves equipment purchase cost.
The present invention solve the technical scheme that is used of above-mentioned technical problem for：A kind of multiplex main axle structure, including main shaft, master
Motor, the first transmission mechanism and pumpback device, the output end of described main motor and the input of the first described transmission mechanism
It is connected, described main shaft is connected with the output end of the first described transmission mechanism, the first described transmission mechanism is arranged on first
In reduction box, described main shaft is uprightly arranged in main spindle box body, and axially extending bore, described pumpback are offered on described main shaft
Device is removably mounted on the first described reduction box, and described main spindle box body is fixed under the first described reduction box
End, described pumpback device includes servomotor setting up and down, the second reduction box and electric cylinder, described servomotor it is defeated
Go out end to be connected with the input of the second described reduction box, the output end of the second described reduction box is defeated with described electric cylinder
Enter end to be connected, the output end of described electric cylinder is detachably connected with connecting rod, and described connecting rod is through described axial direction
Through hole is set, and described connecting rod is long connecting rod or short connecting rod, and the bottom of described long connecting rod is provided with friction welding (FW) handle of a knife, described
Friction welding (FW) handle of a knife be fixed on described main shaft, mixing needle and stirring-head are installed in described friction welding (FW) handle of a knife, it is described
Mixing needle is fixed on the bottom of described long connecting rod, and described stirring-head is set on described mixing needle；Described short connecting rod
Bottom broaching tool pawl is installed, the lower end of described main shaft is provided with main shaft taper shank, and the upper end of described main shaft taper shank is fixed with
Main shaft blind rivet, described main shaft blind rivet is connected with described broaching tool pawl, and described main shaft taper shank is used to install NC cutting tool.
When long connecting rod being installed on main shaft, friction welding (FW) handle of a knife and mixing needle and stirring directly are installed in the bottom of long connecting rod
Head, pumpback device drives mixing needle to complete expanding-contracting action, and now the multiplex main axle structure is used as agitating friction soldering equipment.Work
When making, servomotor drives electric cylinder after the second reduction box increase moment of torsion, from electric cylinder to connecting rod transmitting torque, using watching
The rotating for taking motor completes the axial stretching action of connecting rod, is acted by the axial stretching of connecting rod, and adjustment mixing needle exists
The position of commissure, after mixing needle reaches correct position, servomotor is stopped, afterwards main motor work, by first
Transmission mechanism completes friction welding (FW) action to main shaft transmitting torque, drive shaft rotation.When needing to install NC cutting tool, will
Pumpback device is dismantled and is drawn upwardly out from the first reduction box, then long connecting rod is pulled down, and changes short connecting rod, loads onto broaching tool pawl, master
Axle blind rivet and main shaft taper shank, you can install NC cutting tool, now the multiplex main axle structure just transform as and can clamp standard numerical control knife
The machining center of tool.Pumpback device now is used as loose paper-cutting machine, can control the permanent torsion of servomotor output by numerical control
Cutter stops after moving fixed coordinates point to, completes broaching tool action.Servomotor is turned off after the completion of broaching tool, main motor work passes through
First transmission mechanism completes the numerical control processing and operating to workpiece to main shaft transmitting torque, drive shaft rotation.
It can be seen that, multiplex main axle structure of the invention can not only be used for friction welding apparatus and use, but also as numerical control machining center
Use.Its simple structure, quick, flexible turn between friction welding apparatus and numerical control machining center is capable of achieving by simply transformation
Change, greatly expand the range of application of equipment, the requirement of user's a tractor serves several purposes can be met, significantly save equipment purchase cost.Its
Pumpback device is driven by servomotor, can be used as axis servomotor or loose paper-cutting machine, carries out short distance pulling motion, and servo
The locating speed of motor is fast, accurate positioning, is capable of achieving the high accuracy positioning to connecting rod, the coordinate bit of precise control mixing needle
Put.
Multiplex main axle structure of the invention, its pumpback device uses electric cylinder form, is driven by servomotor, it is not necessary to liquid
Pressure drives, and can prevent the safety problems such as hydraulic pressure oil seepage, and avoid including pump, pipeline, magnetic valve, pressure switch, joint etc.
The design of interior complicated integrated system is used, and simplifies apparatus control system, is easy to post facility to safeguard.The multiplex main axle structure
Use, the oil pollution of equipment can be avoided, save the cleaning cost of some special parts.
Described electric cylinder is detachably connected by the second transmission mechanism with described connecting rod, the second described transmission
Mechanism includes upper drive sleeve, underdrive set, the first locking nut and taper roll bearing, and described upper drive sleeve is fixed on described
Electric cylinder output end, described underdrive set is fixed by screws in the lower end of described upper drive sleeve, described circular cone
Roller bearing is arranged between described underdrive set and described connecting rod, and the first described locking nut is arranged on described
The upper end of connecting rod, described taper roll bearing is locked by the first described locking nut.During dismounting connecting rod, by upper transmission
Set is separated with underdrive set, and connecting rod is dismantled and extracted out by removing the first locking nut, easy to operate.
Described electric cylinder is arranged on a transition bracket, and the lower end of described transition bracket is provided with downward opening mistake
Set is crossed, described transition sleeve is set in described upper transmission and puts, and described upper transmission external threading is connected to described electric cylinder
Output end, described upper drive sleeve locked by the second locking nut, and the second described locking nut is fixed by screws in institute
The upper transmission stated puts, and the lower end of described transition bracket is fixed with transmission case by screw, and described transmission case passes through screw
It is fixed on the first described reduction box, the upper end of described connecting rod is stretched into described transmission case.
Adjusting pad is installed between described upper drive sleeve and described underdrive set, so as to taper roll bearing outer ring
Precompressed amount be adjusted.
The first described transmission mechanism includes first gear axle, second gear axle, output shaft, the first travelling gear and second
Travelling gear, described first gear axle, second gear axle and output shaft are set parallel successively, the output end of described main motor
It is connected with described first gear axle, the first described travelling gear is arranged on described second gear axle, described second
Travelling gear is arranged on described output shaft, and described first gear axle is meshed with the first described travelling gear, described
The first travelling gear be meshed with the second described travelling gear, described output sleeve is located in described connecting rod and institute
The connecting rod stated is bonded and connects, and the described bottom of output shaft is vertically connected with the spline housing of top one of described main shaft.Work
When, main motor drives the rotation of first gear axle, and then drives second gear axle and output shaft rotation, and second gear axle can increase the
One gear shaft and the centre-to-centre spacing of output shaft, give back to picking device and reserve enough installing spaces.Output shaft is used for reduction of speed and increases master
Motor output torque.
The lower end of described main shaft is provided with taper hole, and described taper hole is bored with described friction welding (FW) handle of a knife or described main shaft
Handle is adapted.
Compared with prior art, the advantage of the invention is that：
1st, multiplex main axle structure disclosed by the invention, can not only be used for friction welding apparatus and uses, and make but also as numerical control machining center
With.Its simple structure, quick, flexible turn between friction welding apparatus and numerical control machining center is capable of achieving by simply transformation
Change, greatly expand the range of application of equipment, the requirement of user's a tractor serves several purposes can be met, significantly save equipment purchase cost.
2nd, multiplex main axle structure disclosed by the invention, its pumpback device is driven by servomotor, can be used as axis servomotor or pine
Paper-cutting machine is used, and carries out short distance pulling motion, and the locating speed of servomotor is fast, accurate positioning, is capable of achieving to connection
The high accuracy positioning of bar, the coordinate position of precise control mixing needle.
3rd, the pumpback device of multiplex main axle structure disclosed by the invention uses electric cylinder form, is driven by servomotor, no
Hydraulic-driven is needed, the safety problems such as hydraulic pressure oil seepage can be prevented, and avoided including pump, pipeline, magnetic valve, pressure switch, connect
The first-class design in interior complicated integrated system is used, and simplifies apparatus control system, is easy to post facility to safeguard.The multiplex master
The use of axle construction, can avoid the oil pollution of equipment, save the cleaning cost of some special parts.
Brief description of the drawings
Fig. 1 is the structural representation of pumpback formula stirring-head；
Fig. 2 is the structural representation of multiplex main axle structure in embodiment；
Fig. 3 is enlarged drawing at A in Fig. 2；
Fig. 4 is the structure diagram of pumpback device in embodiment；
Fig. 5 is the structure connection diagram of the first transmission mechanism in embodiment；
Fig. 6 is the structural representation of main axle structure lower end in embodiment 1；
Fig. 7 is the structural representation of main axle structure lower end in embodiment 2.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
The multiplex main axle structure of embodiment 1, as illustrated, including main shaft 2, main motor 1, the first transmission mechanism and pumpback dress
Put, the output end of main motor 1 is connected with the input of the first transmission mechanism, main shaft 2 is connected with the output end of the first transmission mechanism,
First transmission mechanism is arranged in the first reduction box 22, and main shaft 2 is uprightly arranged in main spindle box body 23, and axle is offered on main shaft 2
To through hole 21, pumpback device is removably mounted on the first reduction box 22, and main spindle box body 23 is fixed on the first reduction box 22
Lower end, pumpback device includes servomotor 31 setting up and down, the second reduction box 32 and electric cylinder 33, the output of servomotor 31
End is connected with the input of the second reduction box 32, and the output end of the second reduction box 32 is connected with the input of electric cylinder 33, electronic
The output end of cylinder 33 is detachably connected with connecting rod 4 by the second transmission mechanism, and connecting rod 4 is set through axially extending bore 21,
Connecting rod 4 is long connecting rod, and the bottom of long connecting rod is provided with friction welding (FW) handle of a knife 5, and friction welding (FW) handle of a knife 5 is fixed on main shaft 2, friction welding (FW)
Mixing needle 51 and stirring-head 52 are installed in handle of a knife 5, mixing needle 51 is fixed on the bottom of long connecting rod, and stirring-head 52 is set in stirring
On pin 51；The lower end of main shaft 2 is provided with taper hole 24, and taper hole 24 is adapted with friction welding (FW) handle of a knife 5.
In embodiment 1, the first transmission mechanism includes that first gear axle 61, second gear axle 62, output shaft 63, first are driven
The travelling gear 65 of gear 64 and second, first gear axle 61, second gear axle 62 and output shaft 63 are parallel successively to be set, main motor
1 output end is connected with first gear axle 61, and the first travelling gear 64 is arranged on second gear axle 62, the second travelling gear 65
On output shaft 63, first gear axle 61 is meshed with the first travelling gear 64, and the first travelling gear 64 and second is driven
Gear 65 is meshed, and output shaft 63 is set in be bonded with connecting rod 4 in connecting rod 4 and connects, the bottom of output shaft 63 and the top of main shaft 2
End is vertically connected with through a spline housing 66.
In embodiment 1, the second transmission mechanism includes that upper drive sleeve 71, underdrive covers the 72, first locking nut 73 and circular cone
Roller bearing 74, upper drive sleeve 71 is fixed on the output end of electric cylinder 33, and underdrive set 72 is fixed by screws in drive sleeve
71 lower end, is provided with adjusting pad 75 between upper drive sleeve 71 and underdrive set 72, taper roll bearing 74 is arranged on underdrive
Between set 72 and connecting rod 4, the first locking nut 73 is arranged on the upper end of connecting rod 4, and taper roll bearing 74 is by the first locking
Nut 73 is locked.
In embodiment 1, electric cylinder 33 is arranged on a transition bracket 34, and the lower end of transition bracket 34 is provided with opening down
Transition sleeve 35, transition sleeve 35 is set in drive sleeve 71, and upper drive sleeve 71 is threaded in the output end of electric cylinder 33, on
Drive sleeve 71 is locked by the second locking nut 76, and the second locking nut 76 is fixed by screws in drive sleeve 71, transition branch
The lower end of frame 34 is fixed with transmission case 36 by screw, and transmission case 36 is fixed by screws on the first reduction box 22, connecting rod 4
Upper end stretch into transmission case 36.
The operation principle of the multiplex main axle structure of embodiment 1：Servomotor 31 increases moment of torsion rear-guard through the second reduction box 32
Dynamic electric cylinder 33, from electric cylinder 33 to the transmitting torque of connecting rod 4, the axle of connecting rod 4 is completed using the rotating of servomotor 31
To expanding-contracting action, acted by the axial stretching of connecting rod 4, mixing needle 51 is adjusted in the position of commissure, when mixing needle 51 reaches
To after correct position, servomotor 31 is stopped, and main motor 1 works afterwards, and main motor 1 drives first gear axle 61 to rotate,
And then driving second gear axle 62 and output shaft 63 to rotate, output shaft 63 drives main shaft 2 to rotate again, and then it is dynamic to complete friction welding (FW)
Make.
Second gear axle 62 can increase the centre-to-centre spacing of first gear axle 61 and output shaft 63, give back to picking device reserve it is enough
Installing space, output shaft 63 is used for reduction of speed and increases the output torque of main motor 1.
The multiplex main axle structure of embodiment 2, as illustrated, including main shaft 2, main motor 1, the first transmission mechanism and pumpback dress
Put, the output end of main motor 1 is connected with the input of the first transmission mechanism, main shaft 2 is connected with the output end of the first transmission mechanism,
First transmission mechanism is arranged in the first reduction box 22, and main shaft 2 is uprightly arranged in main spindle box body 23, and axle is offered on main shaft 2
To through hole 21, pumpback device is removably mounted on the first reduction box 22, and main spindle box body 23 is fixed on the first reduction box 22
Lower end, pumpback device includes servomotor 31 setting up and down, the second reduction box 32 and electric cylinder 33, the output of servomotor 31
End is connected with the input of the second reduction box 32, and the output end of the second reduction box 32 is connected with the input of electric cylinder 33, electronic
The output end of cylinder 33 is detachably connected with connecting rod 4 by the second transmission mechanism, and connecting rod 4 is set through axially extending bore 21,
Connecting rod 4 is short connecting rod, and the bottom of short connecting rod is provided with broaching tool pawl 81, and the lower end of main shaft 2 is provided with main shaft taper shank 8, main shaft cone
The upper end of handle 8 is fixed with main shaft blind rivet 82, and main shaft blind rivet 82 is connected with broaching tool pawl 81, and main shaft taper shank 8 is used to install NC cutting tool；
The lower end of main shaft 2 is provided with taper hole 24, and taper hole 24 is adapted with main shaft taper shank 8.
In embodiment 2, the first transmission mechanism includes that first gear axle 61, second gear axle 62, output shaft 63, first are driven
The travelling gear 65 of gear 64 and second, first gear axle 61, second gear axle 62 and output shaft 63 are parallel successively to be set, main motor
1 output end is connected with first gear axle 61, and the first travelling gear 64 is arranged on second gear axle 62, the second travelling gear 65
On output shaft 63, first gear axle 61 is meshed with the first travelling gear 64, and the first travelling gear 64 and second is driven
Gear 65 is meshed, and output shaft 63 is set in be bonded with connecting rod 4 in connecting rod 4 and connects, the bottom of output shaft 63 and the top of main shaft 2
End is vertically connected with through a spline housing 66.
In embodiment 2, the second transmission mechanism includes that upper drive sleeve 71, underdrive covers the 72, first locking nut 73 and circular cone
Roller bearing 74, upper drive sleeve 71 is fixed on the output end of electric cylinder 33, and underdrive set 72 is fixed by screws in drive sleeve
71 lower end, is provided with adjusting pad 75 between upper drive sleeve 71 and underdrive set 72, taper roll bearing 74 is arranged on underdrive
Between set 72 and connecting rod 4, the first locking nut 73 is arranged on the upper end of connecting rod 4, and taper roll bearing 74 is by the first locking
Nut 73 is locked.
In embodiment 2, electric cylinder 33 is arranged on a transition bracket 34, and the lower end of transition bracket 34 is provided with opening down
Transition sleeve 35, transition sleeve 35 is set in drive sleeve 71, and upper drive sleeve 71 is threaded in the output end of electric cylinder 33, on
Drive sleeve 71 is locked by the second locking nut 76, and the second locking nut 76 is fixed by screws in drive sleeve 71, transition branch
The lower end of frame 34 is fixed with transmission case 36 by screw, and transmission case 36 is fixed by screws on the first reduction box 22, connecting rod 4
Upper end stretch into transmission case 36.
The operation principle of the multiplex main axle structure of embodiment 2：Servomotor 31 increases moment of torsion rear-guard through the second reduction box 32
Dynamic electric cylinder 33, from electric cylinder 33 to the transmitting torque of connecting rod 4, the axle of connecting rod 4 is completed using the rotating of servomotor 31
To expanding-contracting action, acted by the axial stretching of connecting rod 4, realize pine folder knife function, pumpback device now is used as pine folder knife
Mechanism uses.The permanent torsion of the output of servomotor 31 stops after moving NC cutting tool to fixed coordinates point, completes broaching tool action.Draw
Servomotor 31 is turned off after the completion of knife, main motor 1 works, main motor 1 drives first gear axle 61 to rotate, and then drives the second tooth
Wheel shaft 62 and output shaft 63 rotate, and to the transmitting torque of main shaft 2, drive shaft 2 rotates, and complete the numerical control processing and operating to workpiece.
The main axle structure of embodiment 1 is agitating friction soldering equipment, and the main axle structure of embodiment 2 is numerical control machining center, is led to
Replacing connecting rod 4 is crossed, quick, the flexible conversion of agitating friction soldering equipment and numerical control machining center is capable of achieving, being capable of expansion equipment
Range of application, meet the requirement of user's a tractor serves several purposes, significantly save equipment purchase cost.
For example, be currently agitating friction soldering equipment, when being if desired converted to numerical control machining center, specific transfer process
For：Pumpback device is dismantled and be drawn upwardly out from the first reduction box 22, during dismounting connecting rod 4, upper drive sleeve 71 is passed with
Dynamic set 72 is separated, and removes the first locking nut 73 and connecting rod 4 is dismantled and extracted out, changes short connecting rod, loads onto broaching tool pawl 81, main shaft
Blind rivet 82 and main shaft taper shank 8, you can install NC cutting tool, now the multiplex main axle structure just transform as and can clamp standard numerical control knife
The machining center of tool.
In above example, servomotor 31 can select Siemens 1FK7060-2AF71-1RH1 type motors, electric cylinder
The auspicious product of Suzhou Photar can be selected, speed compares 25:1, helical pitch 10mm, stroke 20mm.
It can be seen that, multiplex main axle structure disclosed by the invention can not only be used for friction welding apparatus and use, but also as digital control processing
Center uses.Its pumpback device is driven by servomotor, can be used as axis servomotor or loose paper-cutting machine, carries out short distance pull
Action, and the locating speed of servomotor is fast, accurate positioning, is capable of achieving the high accuracy positioning to connecting rod, precise control stirring
The coordinate position of pin, and when NC cutting tool is installed, connecting rod plays tension cutter.Additionally, its pumpback device is using electronic
Cylinder form, is driven, it is not necessary to hydraulic-driven by servomotor, can prevent the safety problems such as hydraulic pressure oil seepage.It is disclosed by the invention
Multiplex main axle structure, simple structure, by simple transformation be capable of achieving between friction welding apparatus and numerical control machining center it is quick,
Flexible conversion, greatly expands the range of application of equipment, can meet the requirement of user's a tractor serves several purposes, significantly save equipment purchase into
This.
Claims (6)
1. a kind of multiplex main axle structure, it is characterised in that described including main shaft, main motor, the first transmission mechanism and pumpback device
The output end of main motor be connected with the input of the first described transmission mechanism, described main shaft and the first described driver
The output end of structure is connected, and the first described transmission mechanism is arranged in the first reduction box, and described main shaft is uprightly arranged on main shaft
In casing, axially extending bore is offered on described main shaft, described pumpback device is removably mounted on the first described deceleration
On case, described main spindle box body is fixed on the lower end of the first described reduction box, and described pumpback device includes setting up and down
Servomotor, the second reduction box and electric cylinder, the output end of described servomotor and the input of the second described reduction box
It is connected, the output end of the second described reduction box is connected with the input of described electric cylinder, the output end of described electric cylinder
Connecting rod is detachably connected with, described connecting rod is set through described axially extending bore, and described connecting rod is long connecting rod
Or short connecting rod, the bottom of described long connecting rod is provided with friction welding (FW) handle of a knife, and described friction welding (FW) handle of a knife is fixed on described main shaft
On, mixing needle and stirring-head are installed in described friction welding (FW) handle of a knife, described mixing needle is fixed on the bottom of described long connecting rod
End, described stirring-head is set on described mixing needle；The bottom of described short connecting rod is provided with broaching tool pawl, described main shaft
Lower end main shaft taper shank is installed, the upper end of described main shaft taper shank is fixed with main shaft blind rivet, described main shaft blind rivet with it is described
Broaching tool pawl be connected, described main shaft taper shank is used to install NC cutting tool.
2. a kind of multiplex main axle structure according to claim 1, it is characterised in that described electric cylinder and described connection
Bar is detachably connected by the second transmission mechanism, and the second described transmission mechanism includes upper drive sleeve, underdrive set, the first lock
Tight nut and taper roll bearing, described upper drive sleeve are fixed on the output end of described electric cylinder, described underdrive set
The lower end of described upper drive sleeve is fixed by screws in, described taper roll bearing is arranged on described underdrive set and institute
Between the connecting rod stated, the first described locking nut is arranged on the upper end of described connecting rod, described taper roll bearing
Locked by the first described locking nut.
3. a kind of multiplex main axle structure according to claim 2, it is characterised in that described electric cylinder is arranged on a transition
On support, the lower end of described transition bracket is provided with downward opening transition sleeve, and described transition sleeve is set in described upper
In drive sleeve, described upper transmission external threading is connected to the output end of described electric cylinder, and described upper drive sleeve is by the second lock
Tight nut check, the second described locking nut is fixed by screws in described upper transmission and puts, described transition bracket
Lower end is fixed with transmission case by screw, and described transmission case is fixed by screws on the first described reduction box, described
Stretch into described transmission case the upper end of connecting rod.
4. a kind of multiplex main axle structure according to claim 2, it is characterised in that described upper drive sleeve with it is described under
Adjusting pad is installed between drive sleeve.
5. a kind of multiplex main axle structure according to claim 1, it is characterised in that the first described transmission mechanism includes the
One gear shaft, second gear axle, output shaft, the first travelling gear and the second travelling gear, described first gear axle, the second tooth
Wheel shaft and output shaft are set parallel successively, and the output end of described main motor is connected with described first gear axle, and described
One travelling gear is arranged on described second gear axle, and the second described travelling gear is arranged on described output shaft, institute
The first gear axle stated is meshed with the first described travelling gear, described the first travelling gear and the second described driving cog
Wheel is meshed, and described output sleeve is located to be bonded with described connecting rod in described connecting rod and connects, described output shaft
Bottom is vertically connected with the spline housing of top one of described main shaft.
6. a kind of multiplex main axle structure according to claim 1, it is characterised in that the lower end of described main shaft is provided with cone
Hole, described taper hole is adapted with described friction welding (FW) handle of a knife or described main shaft taper shank.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710187378.0A CN106891089B (en) | 2017-03-27 | 2017-03-27 | Multipurpose main shaft structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710187378.0A CN106891089B (en) | 2017-03-27 | 2017-03-27 | Multipurpose main shaft structure |
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| CN106891089A true CN106891089A (en) | 2017-06-27 |
| CN106891089B CN106891089B (en) | 2022-06-03 |
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| CN201710187378.0A Active CN106891089B (en) | 2017-03-27 | 2017-03-27 | Multipurpose main shaft structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108746984A (en) * | 2018-06-08 | 2018-11-06 | 河北科技大学 | Built-in cooling friction stir weld device |
| CN112453681A (en) * | 2020-10-22 | 2021-03-09 | 北京工业大学 | Retractable friction stir welding electric spindle |
| TWI761949B (en) * | 2020-09-14 | 2022-04-21 | 喬崴進科技股份有限公司 | Friction stir welding adapter and tool holder having a spindle torque transmission system |
| CN114473176A (en) * | 2022-02-17 | 2022-05-13 | 贵州航天天马机电科技有限公司 | Three-dimensional parallel friction stir welding spindle device |
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| CN108746984A (en) * | 2018-06-08 | 2018-11-06 | 河北科技大学 | Built-in cooling friction stir weld device |
| TWI761949B (en) * | 2020-09-14 | 2022-04-21 | 喬崴進科技股份有限公司 | Friction stir welding adapter and tool holder having a spindle torque transmission system |
| CN112453681A (en) * | 2020-10-22 | 2021-03-09 | 北京工业大学 | Retractable friction stir welding electric spindle |
| WO2022083575A1 (en) * | 2020-10-22 | 2022-04-28 | 北京工业大学 | Withdrawable electric spindle for friction stir welding |
| CN112453681B (en) * | 2020-10-22 | 2022-06-14 | 北京工业大学 | Retractable friction stir welding electric spindle |
| US11897049B2 (en) | 2020-10-22 | 2024-02-13 | Beijing University Of Technology | Retractable friction stir welding spindle |
| CN114473176A (en) * | 2022-02-17 | 2022-05-13 | 贵州航天天马机电科技有限公司 | Three-dimensional parallel friction stir welding spindle device |
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