CN106334871A - Friction welding machine and spindle force balancing assembly thereof - Google Patents
Friction welding machine and spindle force balancing assembly thereof Download PDFInfo
- Publication number
- CN106334871A CN106334871A CN201610783732.1A CN201610783732A CN106334871A CN 106334871 A CN106334871 A CN 106334871A CN 201610783732 A CN201610783732 A CN 201610783732A CN 106334871 A CN106334871 A CN 106334871A
- Authority
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- China
- Prior art keywords
- main shaft
- dynamic balance
- balance assembly
- spindle
- welding machine
- 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.)
- Pending
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- 238000003466 welding Methods 0.000 title claims abstract description 45
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 12
- 239000010720 hydraulic oil Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention relates to a spindle force balancing assembly of a friction welding machine. The assembly comprises a spindle and a spindle box and further comprises a balancing device which is assembled on the spindle box and used for exerting axial force on the spindle; and the direction of the force exerted on the spindle by the balancing device is opposite to that of the axial force on the spindle during working. After the balancing device is added, the axial force exerted on the spindle by the balancing device can partially or completely offset the axial force on the spindle during working, so that the axial force on a bearing of the spindle is reduced, and correspondingly, the axial thrust capable of being borne by the friction welding machine is remarkably increased; and meanwhile, the axial force on the spindle is remarkably reduced, and the service life of the bearing of the spindle is correspondingly prolonged. The invention further discloses the friction welding machine provided with the spindle force balancing assembly.
Description
Technical field
The present invention relates to friction welding (FW) production technical field, total particularly to a kind of friction welding machine and its main shaft dynamic balance
Become.
Background technology
Friction welding (FW) is the solid welding method realizing welding, in pressure and constant or incremental pressure and moment of torsion
Under effect, produce frictional heat and plastic deformation heat using the relative motion between welding contact end face and its near zone so as to
Near zone temperature rises towards but the temperature range of generally below fusing point, and the resistance of deformation of material reduces, and plasticity improves, boundary
The oxide-film in face crushes, and in the presence of upsetting force, produces plastic deformation with material and flows, expanded by the molecule at interface
Dissipate and recrystallize and realize the solid welding method welding.
Before welding, in pair of workpieces to be welded, one is held on rolling clamp, referred to as rotational workpieces, and another is held on
Movable clamp, referred to as travelling workpiece, during welding, rotational workpieces high-speed rotation under Motor drive, travelling workpiece is in axial masterpiece
With under progressively draw close to rotational workpieces, both sides absorption surface after compressing, the temperature at frictional interface rises therewith, thus realizing
Welding.
It is seen that, enough moments of torsion and enough axial forces are two key factors that friction welding (FW) realizes welding, this
Having led to main shaft bearing in friction welding (FW) needs to bear larger axial force, and the front end of main shaft is fixed on the inner ring of main shaft bearing
On, the outer ring of main shaft bearing is then fixed on main spindle box body, and main shaft penetrates rotatably main spindle box body, and the front end of main shaft is in main shaft
Outside casing, this end is used for clamping workpiece, needs to bear upset force effect, upset force is delivered to master by main shaft bearing during welding
Axle box, the upset force of large-tonnage equipment is very big, for example 200t, and upset force is impulsive force, and therefore main shaft bearing needs
Bear great shock loading.Obviously, the maximum bearing ability of main shaft bearing determines the Weldability of whole friction welding machine,
Also make its service life relatively low in addition, main shaft bearing bears huge axial force for a long time.
Therefore, how effectively to reduce the axial force that main shaft bearing is born, thus on the one hand improving friction welding machine
Working ability, on the other hand improve the service life of main shaft bearing.
Content of the invention
An object of the present invention is to provide a kind of main shaft dynamic balance assembly of friction welding machine, on the one hand can to carry
The working ability of high friction welding machine, on the other hand can improve the service life of main shaft bearing.
Another object of the present invention also resides in a kind of friction welding machine with above-mentioned main shaft dynamic balance assembly of offer.
For solve above-mentioned technical problem, the present invention provide friction welding machine main shaft dynamic balance assembly, include main shaft with
Main spindle box body, also includes being assemblied on described main spindle box body, for applying the bascule of axial force to described main shaft and described
It is in opposite direction that bascule is applied to suffered axial force when the power of described main shaft is worked with described main shaft.
Preferably, described bascule is the piston cylinder being assemblied on described main spindle box body.
Preferably, described bascule is oil cylinder.
Preferably, described oil cylinder is sheathed on described main shaft by the axially extending bore that its own is arranged, and described oil cylinder
Piston is offseted by the shaft shoulder of the first thrust bearing and described main shaft, and the cylinder body of described oil cylinder is offseted with described main spindle box body.
Preferably, also include the thrust sleeve that is arranged between described piston and described thrust bearing.
Preferably, described cylinder body is additionally provided with for diametrically positioning described main shaft in the inner ring of described main shaft
Journal bearing, is additionally provided with the second thrust bearing between the end of cylinder body inner ring and described main shaft, described second thrust bearing
Inner ring is connected on described main shaft, and outer ring is offseted with described cylinder body.
Preferably, also include being arranged between described thrust sleeve and described cylinder body, and be used for the first thrust axis described in pretension
Hold the preloading spring with described second thrust bearing.
Friction welding machine disclosed in this invention is provided with the as above main shaft dynamic balance assembly disclosed in any one.
By can be seen that in above technical scheme in main shaft dynamic balance assembly provided by the present invention, main spindle box body fills
It is furnished with bascule, this bascule is used for applying axial force to main shaft, and suffered when this axial force is worked with main shaft
Axial force in opposite direction.
It is easily understood that after increasing bascule, the axial force that bascule is applied to main shaft will be partly or complete
Portion offsets the operationally suffered axial force of main shaft, this reduces the axial force suffered by main shaft bearing, accordingly, friction
The axial thrust that welding machine can bear also just has obtained significant increase；Simultaneously because the axial force being subject to is substantially reduced, main shaft
The service life of bearing has also just obtained corresponding raising.
Friction welding machine disclosed in this invention is due to having above-mentioned main shaft dynamic balance assembly, thus this friction welding machine is simultaneous
Have all advantages of above-mentioned main shaft dynamic balance assembly, herein this is no longer repeated.
Brief description
The structural representation of the main shaft dynamic balance assembly of the friction welding machine that Fig. 1 is provided by the embodiment of the present invention.
Wherein, 1 is main shaft, and 2 is main spindle box body, and 3 is oil-in, and 4 is nut, and 5 is pad, and 6 is the second thrust bearing, 7
For journal bearing, 8 is cylinder body, and 9 is piston, and 10 is preloading spring, and 11 is thrust sleeve, and 12 is the first thrust bearing, and 13 is main shaft
Bearing.
Specific embodiment
One of core of the present invention is to provide a kind of main shaft dynamic balance assembly of friction welding machine, on the one hand can to carry
The working ability of high friction welding machine, on the other hand can improve the service life of main shaft bearing.
Another core of the present invention is to provide a kind of friction welding machine with above-mentioned main shaft dynamic balance assembly.
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Refer to Fig. 1, the structure of the main shaft dynamic balance assembly of the friction welding machine that Fig. 1 is provided by the embodiment of the present invention is shown
It is intended to.
As shown in fig. 1, the front end of main shaft is fixed as: the front end of main shaft 1 is fixed on the inner ring of main shaft bearing 13, main shaft
The outer ring of bearing 13 is then fixed on main spindle box body 2, and main shaft 1 penetrates rotatably main spindle box body 2, and the front end of main shaft 1 is in main shaft
Outside casing 2, this end is used for clamping workpiece, needs to bear upset force effect, upset force is transmitted by main shaft bearing 13 during welding
To main spindle box body 2, the upset force of large-tonnage equipment is very big, and upset force is impulsive force, and therefore main shaft bearing 13 needs to hold
By great shock loading；
The rear end of main shaft 1 is fixed as: the rear end of main shaft 1, under normal circumstances can be by journal bearing 7 in main spindle box body 2
On main spindle box body 2, its mounting means is: main shaft 1 is fixed on the inner ring of journal bearing 7, and the outer ring of journal bearing 7 is fixed on for support
On main spindle box body 2, journal bearing 7 and main shaft bearing 13 determine support and the radial positioning of main shaft 1, and journal bearing 7 is good
Radial positioning feature is it is determined that the positioning precision of main shaft 1.But, because journal bearing 7 can not bear axial force, after main shaft 1
End is also provided with the second thrust bearing 6, and the second thrust bearing 6 and main shaft bearing 13 match, its stress installation direction and spindle shaft
Hold 13 stress installation directions contrary, and pretension is carried out to main shaft by nut 4, thus complete main shaft 1 installing.More specifically,
Main shaft 1 end is threaded, and nut 4 is spun on main shaft 1 end, in nut 4 screwing operations, nut 4 biased washer 5, and pad 5
Push the second thrust bearing 6, pushing process is equal to pulling main shaft 1, pushed in main shaft bearing 13 by the front end step of main shaft 1
Circle, transfers force to main spindle box body 2, simultaneously thus main shaft 1 is locked on main spindle box body 2.
Compared to prior art, the core improvement of the present invention is, also includes being assemblied on main spindle box body 2, for
Main shaft 1 applies the bascule of axial force, suffered axle when working of the power of the be applied to main shaft of this bascule 1 with main shaft 1
In opposite direction to power.
As shown in fig. 1, suffered axial force during main shaft 1 work is f, and now bascule is applied to main shaft 1
Axial force is f, and both direction contrast therefore some or all of can be cancelled out each other, be this reduces main shaft bearing
Suffered axial force, accordingly, the axial thrust that friction-welding machine can bear also just has obtained significant increase；Simultaneously because
The axial force being subject to is substantially reduced, and the service life of main shaft bearing has also just obtained corresponding raising.
Well known to those skilled in the art it is, using the teaching of the invention it is possible to provide the bascule of thrust is varied, for example piston cylinder, electronic
Push rod, screw-nut mechanism etc., piston cylinder has simple and reliable, with low cost advantage, therefore preferably adopts in the present embodiment
With piston cylinder as bascule.Certainly, piston cylinder at least includes oil cylinder and cylinder, preferably adopts thrust more in the present embodiment
Big oil cylinder.
As shown in fig. 1, the middle part of oil cylinder offers axially extending bore, so as to being set on main shaft 1, is set in main shaft
The piston 9 of the oil cylinder on 1 is offseted by the shaft shoulder of the first thrust bearing 12 and main shaft 1, the cylinder body 8 of oil cylinder and main spindle box body 2 phase
Support.When hydraulic oil is after oil-in 3 enters into the cylinder body 8 of oil cylinder, piston 9 will pass through the first thrust under the promotion of hydraulic oil
Bearing 12 applies axial force to main shaft 1, and main spindle box body 2 gives the cylinder body 8 axially support of oil cylinder simultaneously.Certainly, it is more highly preferred to
Mode is directly to arrange a chamber on main spindle box body 2, in this, as the cylinder body 8 of balancing cylinder, piston 9 is enclosed within can on main shaft 1
With movement, and the chamber arm sealing ring of the cylindrical and main spindle box body 2 of piston 9 seals, and balancing cylinder can be formed.
Further, thrust sleeve 11 can also be set between the first thrust bearing 12 and piston 9, as shown in fig. 1,
Thrust sleeve 11 is equally enclosed within main shaft 1, and is also transportable, and the thrust of piston 9 will be applied to indirectly by thrust sleeve 11
First thrust bearing 12, this not only can prevent piston 9 from the first thrust bearing 12 is damaged, and due on thrust sleeve 11
It is provided with axle bearing mount portion, therefore also facilitate the installation of the first thrust bearing 12.
As Fig. 1, the operation principle of this main shaft dynamic balance assembly is: when hydraulic oil enters into the cylinder body 8 of oil cylinder from oil-in 3
Afterwards, piston 9 will promote thrust sleeve 11 under the promotion of hydraulic oil, and thrust sleeve 11 promotes the first thrust bearing 12, the first thrust
Bearing 12 transmits the force to the shaft shoulder of main shaft 1, produces a power contrary with the axial force suffered by aforementioned main shaft 1, thus offsetting
The load of a part of upset force, mitigates the load of main shaft bearing 13, improves the service life of main shaft bearing 13.
Through overtesting, when the upset force that bascule is born is identical with the upset force that main shaft bearing 13 is born, can
Preferable service life is had with guarantee main shaft bearing 13, it is therefore preferred that thrust balancing device is applied to the power of main shaft 1, is work
Part is applied to the half of main shaft 1 power, and workpiece is applied to second half of main shaft 1 power and is undertaken by main shaft bearing 13.
Assemble for convenience, also include the preloading spring 10 being arranged between thrust sleeve 11 and cylinder body 8 in the present embodiment, in advance
By the first thrust bearing 12 and the second thrust bearing 6 pretension after tight spring 10 is pressurized, as shown in fig. 1.
In addition, the invention also discloses a kind of friction welding machine, it is provided with above-mentioned any one in this friction welding machine
Main shaft dynamic balance assembly disclosed in embodiment.
Because this friction welding machine employs above-mentioned main shaft dynamic balance assembly, therefore this friction welding machine has above-mentioned positioning concurrently
The corresponding technological merit of frock, is no longer repeated to this herein.
Above friction welding machine provided by the present invention and its main shaft dynamic balance assembly are described in detail.Herein
Apply specific case the principle of the present invention and embodiment are set forth, the explanation of above example is only intended to help
Understand the method for the present invention and its core concept.It should be pointed out that for those skilled in the art, do not taking off
On the premise of the principle of the invention, the present invention can also be carried out with some improvement and modify, these improve and modification also falls into this
In invention scope of the claims.
Claims (10)
1. the main shaft dynamic balance assembly of a kind of friction welding machine, including main shaft (1) and main spindle box body (2) it is characterised in that also wrapping
Include and be assemblied on described main spindle box body (2), for applying the bascule of axial force to described main shaft (1), and described balance dress
Put that to be applied to suffered axial force when the power of described main shaft (1) is worked with described main shaft (1) in opposite direction.
2. main shaft dynamic balance assembly according to claim 1 is it is characterised in that described bascule is to be assemblied in described master
Piston cylinder on axle box (2).
3. main shaft dynamic balance assembly according to claim 2 is it is characterised in that described bascule is oil cylinder.
4. main shaft dynamic balance assembly according to claim 3 is it is characterised in that the axle that arranged by its own of described oil cylinder
It is sheathed on described main shaft (1) to through hole, and the piston (9) of described oil cylinder passes through the first thrust bearing (12) and described main shaft
(1) the shaft shoulder offsets, and the cylinder body (8) of described oil cylinder and described main spindle box body (2) offset.
5. main shaft dynamic balance assembly according to claim 4 it is characterised in that also include be arranged on described piston with described
Thrust sleeve between first thrust bearing (12).
6. main shaft dynamic balance assembly according to claim 5 is it is characterised in that described cylinder body (8) is near described main shaft (1)
Inner ring in be additionally provided with journal bearing for diametrically positioning described main shaft (1), the end of cylinder body (8) inner ring with described
It is additionally provided with the second thrust bearing (6), the inner ring of described second thrust bearing (6) is connected in described main shaft (1) between main shaft (1)
On, outer ring is offseted with described cylinder body (8).
7. main shaft dynamic balance assembly according to claim 6 is it is characterised in that also include being arranged on described thrust sleeve (11)
And described cylinder body (8) between, and the pretension bullet for the first thrust bearing (12) and described second thrust bearing (6) described in pretension
Spring (10).
8. main shaft dynamic balance assembly according to claim 7 is it is characterised in that the end of described main shaft is provided with screw thread,
Described first thrust bearing (12) and described second thrust bearing (6) are assembled by the nut being tightened on described spindle nose screw thread
On described main shaft.
9. main shaft dynamic balance assembly according to claim 1 is it is characterised in that described thrust balancing device is applied to described master
The power of axle (1), is the half that workpiece is applied to described main shaft (1) power.
10. a kind of friction welding machine is it is characterised in that described friction welding machine is arranged just like in claim 1-9 any one
Described main shaft dynamic balance assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610783732.1A CN106334871A (en) | 2016-08-30 | 2016-08-30 | Friction welding machine and spindle force balancing assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610783732.1A CN106334871A (en) | 2016-08-30 | 2016-08-30 | Friction welding machine and spindle force balancing assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106334871A true CN106334871A (en) | 2017-01-18 |
Family
ID=57823578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610783732.1A Pending CN106334871A (en) | 2016-08-30 | 2016-08-30 | Friction welding machine and spindle force balancing assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106334871A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109202269A (en) * | 2017-10-29 | 2019-01-15 | 中国航空制造技术研究院 | A kind of Linear fiction welding device |
| US20220371120A1 (en) * | 2019-11-12 | 2022-11-24 | Osaka University | Dissimilar material solid phase bonding method, dissimilar material solid phase bonded structure, and dissimilar material solid phase bonding device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1057304A (en) * | 1964-04-17 | 1967-02-01 | George Alexander Black | Improvements in and relating to friction welding |
| CN86202560U (en) * | 1986-04-25 | 1987-05-13 | 长春焊机制造厂 | Thrust oil cylinder with rotary piston |
| JPH11347752A (en) * | 1998-06-05 | 1999-12-21 | Toyota Autom Loom Works Ltd | Friction welding machine |
| CN201669508U (en) * | 2010-04-27 | 2010-12-15 | 长春数控机床有限公司 | Large-tonnage friction welder and axial force balanced structure thereof |
| CN102513555A (en) * | 2011-12-29 | 2012-06-27 | 重庆机床(集团)有限责任公司 | High-speed and high-rigidity main shaft system rotary support structure |
| CN102717183A (en) * | 2012-07-09 | 2012-10-10 | 哈尔滨正晨焊接切割设备制造有限公司 | Anti-deformation friction welding machine and welding method |
| CN203938738U (en) * | 2014-07-10 | 2014-11-12 | 永济市汇广环保设备有限公司 | A kind of anode steel jaw leg friction welding (FW) special purpose device |
| CN104475964A (en) * | 2014-11-21 | 2015-04-01 | 兰州理工大学 | Friction welding machine spindle box structure capable of bearing large torque and large upsetting force |
| CN105665915A (en) * | 2016-03-15 | 2016-06-15 | 陕西理工学院 | Large-tonnage friction welding machine |
| CN205496787U (en) * | 2016-03-15 | 2016-08-24 | 陕西理工学院 | Friction welding machine with reverse thrust of level four |
-
2016
- 2016-08-30 CN CN201610783732.1A patent/CN106334871A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1057304A (en) * | 1964-04-17 | 1967-02-01 | George Alexander Black | Improvements in and relating to friction welding |
| CN86202560U (en) * | 1986-04-25 | 1987-05-13 | 长春焊机制造厂 | Thrust oil cylinder with rotary piston |
| JPH11347752A (en) * | 1998-06-05 | 1999-12-21 | Toyota Autom Loom Works Ltd | Friction welding machine |
| CN201669508U (en) * | 2010-04-27 | 2010-12-15 | 长春数控机床有限公司 | Large-tonnage friction welder and axial force balanced structure thereof |
| CN102513555A (en) * | 2011-12-29 | 2012-06-27 | 重庆机床(集团)有限责任公司 | High-speed and high-rigidity main shaft system rotary support structure |
| CN102717183A (en) * | 2012-07-09 | 2012-10-10 | 哈尔滨正晨焊接切割设备制造有限公司 | Anti-deformation friction welding machine and welding method |
| CN203938738U (en) * | 2014-07-10 | 2014-11-12 | 永济市汇广环保设备有限公司 | A kind of anode steel jaw leg friction welding (FW) special purpose device |
| CN104475964A (en) * | 2014-11-21 | 2015-04-01 | 兰州理工大学 | Friction welding machine spindle box structure capable of bearing large torque and large upsetting force |
| CN105665915A (en) * | 2016-03-15 | 2016-06-15 | 陕西理工学院 | Large-tonnage friction welding machine |
| CN205496787U (en) * | 2016-03-15 | 2016-08-24 | 陕西理工学院 | Friction welding machine with reverse thrust of level four |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109202269A (en) * | 2017-10-29 | 2019-01-15 | 中国航空制造技术研究院 | A kind of Linear fiction welding device |
| CN109202269B (en) * | 2017-10-29 | 2020-07-24 | 中国航空制造技术研究院 | Linear friction welding equipment |
| US20220371120A1 (en) * | 2019-11-12 | 2022-11-24 | Osaka University | Dissimilar material solid phase bonding method, dissimilar material solid phase bonded structure, and dissimilar material solid phase bonding device |
| US11872651B2 (en) * | 2019-11-12 | 2024-01-16 | Osaka University | Dissimilar material solid phase bonding method, dissimilar material solid phase bonded structure, and dissimilar material solid phase bonding device |
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| PB01 | Publication | ||
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Application publication date: 20170118 |