CN109865933A - A kind of linear friction welding apparatus - Google Patents
A kind of linear friction welding apparatus Download PDFInfo
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- CN109865933A CN109865933A CN201910202130.6A CN201910202130A CN109865933A CN 109865933 A CN109865933 A CN 109865933A CN 201910202130 A CN201910202130 A CN 201910202130A CN 109865933 A CN109865933 A CN 109865933A
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Abstract
The invention discloses a kind of linear friction welding apparatus, including single module, double cam module, drive module, feeding module, pedestal；The front end of pedestal is fixedly connected with feeding module, feeding module and single module are hinged, it is double cam module on rear side of single module, the left side of pedestal is equipped with drive module, drive module is driven single module, double cam module by the first driving synchronous belt A and the second driving synchronous belt B, and single module, double cam module are all fixedly connected with pedestal.Advantages of the present invention: it drives the up-and-down reciprocating of workpiece to be welded to move by single module, passes through the left and right reciprocating of double cam module drive workpiece to be welded.In the identical situation of weldment, required driving force is greatly reduced.
Description
Technical field
Present invention relates particularly to a kind of linear friction welding apparatus.
Background technique
Linear friction welding is a kind of solid-phase welding technology, and under welding pressure effect, one of weldment is with respect to another
Weldment linearly makees straight reciprocating motion with certain amplitude A and frequency f, and friction bonding occurs and shears and generates friction
Heat, frictional interface temperature rise, and when friction surface reaches visco-plasticity state, weld metal is moulded under the effect of the pressure
Property flows to form overlap, and after the temperature in friction welding area and deformation reache a certain level, weldment is aligned and applies upsetting force,
Weld metal is welding as one metal with recrystallization by phase counterdiffusion, completes entire welding process, and technical process is main
Including following 5 technical process: initial friction stage, unstable friction phase stablize friction phase, failure of oscillation stage, upset dimension
Hold the stage.
China Patent No. is that the patent of CN2006101053425 discloses a kind of linear friction welding machine friction pressure load dress
Set, its main feature is that by industrial computer export one group with vibrate that sine wave signal frequency is identical, amplitude is identical, phase by pi/
2 single vibration signal is converted into analog signal by the defeated mountain plate of DA, then carries out V/I conversion and amplification through amplifier, and how is control
Valve is taken, makes to generate pulsation while the oil cylinder piston horizontal reciprocating movement of mobile terminal.Above-mentioned linear friction welding is also disclosed in invention
The loading method of machine friction pressure loading device, by sine wave signal control vibration servo valve, by with the sine wave signal
Frequency, amplitude are identical, and the single vibration signal of phase by pi/2 controls shift servo valve, make to act on vibration end workpiece and move
The friction pressure started building between part generates pulsation in friction heating process.Due to identical as sine wave freuqency, phase difference pi/2
Single vibration signal, so that generating pulsation, in the identical situation of weldment, institute in linear friction welding machine friction pressure loading procedure
Driving force is needed to reduce.
China Patent No. is that the patent of CN2006101053444 discloses a kind of linear friction welding machine friction pressure load machine
Structure, including vibration tong, vibration oil cylinder and linkage, its main feature is that the linkage, one of them is fixed on vibration
Between oil cylinder and vibration tong, between vibration tong and linear friction welding bed piece, it is fixed with 2~4 linkages.It is described
Linkage include link arm, mandrel, bearing and connecting rod base, the outer ring of bearing is fixed on connecting rod base, mandrel pass through bearing
It is fixed with link arm, mandrel of the link arm by bearing around connecting rod base rotates.
The linear friction welding linear friction welding technology solid phase joining technique novel, high-quality, efficient, environmentally friendly as one kind,
Huge success is had been achieved in the manufacture and maintenance of aero-engine's overall blade.Weldering as great potential application foreground
The reason of connecing method, why not being used widely yet by nearly development in more than 20 years is that linear friction welding machine equipment is expensive.
In order to extend the application field of linear friction welding technology, the present invention provides a kind of linear friction welding apparatus, passes through single cam die
Block drives the up-and-down reciprocating of workpiece to be welded to move, and passes through the left and right reciprocating of double cam module drive workpiece to be welded.?
In the identical situation of weldment, required driving force is greatly reduced.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of linear friction welding apparatus.
The present invention adopts the following technical scheme: a kind of linear friction welding apparatus, main includes single module, double cam
Module, drive module, feeding module, pedestal.The front end of pedestal is fixedly connected with feeding module, and feeding module and single module are cut with scissors
It connects, is double cam module on rear side of single module, the left side of pedestal is equipped with drive module, and drive module is synchronized by the first driving
The driving of band A and second synchronous belt B is driven single module, double cam module.Single module, double cam module are all solid with pedestal
Fixed connection.In welding, the up-and-down reciprocating of workpiece to be welded is driven to move by single module, double cam module drive waits for welder
The left and right reciprocating of part, feeding module drives moving toward one another for two weldments, to complete welding process.
Further, single module includes sliding rail, sliding block, support frame, rolling bearing units, rolling bearing units bracket A, list
Module bevel gear shaft, single module cam, push plate, single module bottom plate, drive module bevel gear shaft.Single cam die
Block cam is connected by key with single module bevel gear shaft, and the inside casing of push plate is bonded up and down with single module cam.Push plate
It is fixedly connected with single module bottom plate.Single module bottom plate is equipped with sliding rail and sliding block close to drive module side lower surface.
It is set on single module bevel gear shaft there are two rolling bearing units, rolling bearing units are fixed on support frame.Single module bevel gear
The rotation of axis can drive the rotation of single module cam, and then drive the reciprocating of single module bottom plate.Driving
Module bevel gear shaft is fixed on the base by rolling bearing units bracket A.Drive module bevel gear shaft bottom and the first synchronizing wheel are logical
Cross key connection.
Further, the drive module include the first synchronizing wheel, first driving synchronous belt A, second driving synchronous belt B,
Motor, the second synchronizing wheel.Motor is fixedly connected with pedestal, and motor output shaft bottom is equipped with the first driving synchronous belt A, the second driving
Synchronous belt B, the first driving synchronous belt A drive to single module, and the second driving synchronous belt B drives to double cam module.
Further, the feeding module includes bracket, push rod；Bracket is fixedly connected with pedestal, one end of push rod and branch
Frame is hinged, and the other end and single module bottom plate of single module are hinged.
Further, the double cam module includes the first cam main shaft A, the second cam main shaft B, the first double cam module
Cam, third synchronizing wheel, double cam module synchronization band, the second double cam module cam, idler wheel, rolling wheel support, double cam module
Bottom plate.First cam main shaft A, the second cam main shaft B are connect by bearing with double cam module bottom plate, and the first double cam module is convex
Wheel is connected by key with cam main shaft, and third synchronizing wheel A is set above the first cam main shaft A, sets the 4th above the second cam main shaft B
Piece double cam module synchronization band of spaced winding of synchronizing wheel B, third synchronizing wheel A and the 4th synchronizing wheel B, to realize the first cam master
The linkage of axis A, the second cam main shaft B.In assembly, the lift of the first double cam module cam and the second double cam module cam
Backhaul is corresponding.Rolling wheel support is fixedly connected with double cam module bottom plate, and rolling wheel support is T-type, and one end is fixed on double cam module
On bottom plate, other end two sides are all provided with idler wheel, and two side wheels are close to the first double cam module cam and the second double cam module respectively
Cam.The rotation of second synchronizing wheel can drive the linkage of two cam main shafts, when the first double cam module cam is in lift
When, the first double cam module actuated by cams idler wheel is turned right movement, and then double cam module bottom plate is driven to move right.When
When a pair of module cam is in backhaul, the second double cam module cam is in lift, idler wheel can be driven to move downward, into
And double cam bottom plate is driven to move downward.Second synchronizing wheel rotation, one circle, double cam bottom plate or so back and forth movement is twice.
Further, the first double cam module cam is consistent with the second double cam module cam structure, thus
Guarantee that frequency is consistent, and the long axis of the first double cam module cam is vertical with the long axis of the second double cam module cam, with
When rotating the first cam main shaft A, the left and right reciprocating of double cam module drive workpiece to be welded.
Further, sides adjacent is equipped with fixture between single module and double cam module, for clamping workpiece
Complete welding.
Working principle: clamping workpiece by fixture, starts motor, and the first driving synchronous belt A passes through the first synchronous wheel drive
Drive module bevel gear shaft, single module bevel gear shaft drives single module cam rotation, to promote driving to welder
The up-and-down reciprocating of part moves, and the second driving synchronous belt B drives the first cam main shaft A rotation, the first biconvex wheel model at the same time
Block cam linkage, the second double cam module cam connection under the drive of double cam module synchronization band, on the second cam main shaft B
It is dynamic, the lift of the first double cam module cam is corresponding with the backhaul of the second double cam module cam/and the first double cam module is convex
The backhaul of wheel is corresponding with the lift of the second double cam module cam.In the welding process, biconvex wheel assembly have always one it is convex
Wheel is in lift, and another is in backhaul.It is i.e. changeable double by setting lift and the group number of backhaul for single cam
The reciprocating frequency of module.Therefore in the welding process, workpiece to be welded is driven up and down reciprocatingly by single module
Formula movement, the left and right reciprocating of double cam module drive workpiece to be welded, feeding module drive moving toward one another for two weldments, from
And complete welding process.
The present invention has the advantage that: driving the up-and-down reciprocating of workpiece to be welded to move by single module, passes through biconvex
Take turns the left and right reciprocating of module drive workpiece to be welded.In the identical situation of weldment, required driving force is greatly reduced.And work as
One timing of frequency is inputted, reciprocating frequency can also be further increased by changing biconvex wheel assembly, to improve welding
The heat of connector obtains the better welding point of performance.
Detailed description of the invention
The structural schematic diagram of linear friction welding apparatus Fig. 1 of the invention.
Fig. 2 is the front view of the linear friction welding apparatus of Fig. 1.
Fig. 3 is that the linear friction welding apparatus of Fig. 1 looks up shaft side figure.
Fig. 4 is single cam structure axonometric drawing of the invention.
Fig. 5 is double-cam structure axonometric drawing of the invention.
Fig. 6 is pentagon cam structure schematic diagram.
Fig. 7 is hexagon cam structure schematic diagram.
Description of symbols: 1- pedestal 2- bracket 3- push rod 4- sliding rail 5- sliding block 6- support plate 7- rolling bearing units
The mono- module bottom the mono- module cam 10- push plate 11- of the mono- module bevel gear shaft 9- of 7A- rolling bearing units bracket 8-
Plate 12- fixture 13- the first synchronizing wheel of workpiece 14- drive module bevel gear shaft 15- 16A- first to be welded drives synchronous belt
16B- second drives the second synchronizing wheel of synchronous belt 17- motor 18- 19A- the first cam main shaft the second cam main shaft of 19B-
The 4th synchronizing wheel 22- double cam module synchronization band 23- of 20- the first double cam module cam 21A- third synchronizing wheel 21B- the
Six side two double cam module cam 24- idler wheel 25- rolling wheel support 26- double cam module bottom plate 27- pentagon cam 28-
Shape cam.
Specific embodiment
The preferred embodiment of the present invention is described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
A kind of linear friction welding apparatus, it is main include single module, double cam module, drive module, feeding module,
Pedestal 1.The front end of pedestal 1 is fixedly connected with feeding module, and it is double on rear side of single module that feeding module and single module are hinged
Module, the left side of pedestal are equipped with drive module, and drive module passes through the first driving synchronous belt 16A and the second driving synchronous belt
16B is driven single module, double cam module.Single module, double cam module are all fixedly connected with pedestal.In welding, lead to
Crossing single module drives the up-and-down reciprocating of workpiece to be welded to move, the reciprocating fortune in left and right of double cam module drive workpiece to be welded
Dynamic, feeding module drives moving toward one another for two weldments, to complete welding process.
Further, single module includes sliding rail 4, sliding block 5, support frame 6, rolling bearing units 7, rolling bearing units bracket
7A, single module bevel gear shaft 8, single module cam 9, push plate 10, single module bottom plate 11, drive module bevel gear
Axis 14.Single module cam 9 is connected by key with single module bevel gear shaft 8, the inside casing of push plate 10 and single module
About 9 cam is bonded.Push plate 10 is fixedly connected with single module bottom plate 11.Single module bottom plate 11 is close to drive module one
Side lower surface is equipped with sliding rail 4 and sliding block 5.It is set on single module bevel gear shaft 8 there are two rolling bearing units 7, rolling bearing units 7 are fixed
In on support frame 6.The rotation of single module bevel gear shaft 8 can drive the rotation of single module cam 9, and then drive single
The reciprocating of module bottom plate 11.Drive module bevel gear shaft 14 is fixed on pedestal 1 by rolling bearing units bracket 7A.
14 bottom of drive module bevel gear shaft is connected by key with the first synchronizing wheel 15.
Further, the drive module includes the first synchronizing wheel 15, first driving synchronous belt 16A, the second driving synchronization
Band 16B, motor 17, the second synchronizing wheel 18.Motor 17 is fixedly connected with pedestal, and motor output shaft bottom is equipped with the first driving and synchronizes
Band 16A, the second driving synchronous belt 16B, the first driving synchronous belt 16A drive to single module, the second driving synchronous belt 16B
Drive to double cam module.
Further, the feeding module includes bracket 2, push rod 3；Bracket 2 is fixedly connected with pedestal, one end of push rod 3
Hinged with bracket 2, single module bottom plate 11 of the other end and single module is hinged.
Further, the double cam module includes the first cam main shaft 19A, the second cam main shaft 19B, the first double cam
Module cam 20, third synchronizing wheel 21, double cam module synchronization band 22, the second double cam module cam 23, idler wheel 24, idler wheel branch
Frame 25, double cam module bottom plate 26.First cam main shaft 19A, the second cam main shaft 19B pass through bearing and double cam module bottom plate
26 connections, the first double cam module cam 20 are connected by key with cam main shaft 19, and it is same to set third above the first cam main shaft 19A
The 4th synchronizing wheel 21B, the spaced winding of third synchronizing wheel 21A and the 4th synchronizing wheel 21B are set above step wheel 21A, the second cam main shaft 19B
A piece double cam module synchronization band 22, to realize the linkage of the first cam main shaft 19A, the second cam main shaft 19B.In assembly,
The lift of first double cam module cam 20 is corresponding with the backhaul of the second double cam module cam 23.Rolling wheel support 25 and double cam
Module bottom plate 26 is fixedly connected, and rolling wheel support 25 is T-type, and one end is fixed on double cam module bottom plate 26, and other end two sides are equal
If idler wheel, two side wheels are close to the first double cam module cam 20 and the second double cam module cam 23 respectively.Second synchronizing wheel
18 rotation can drive the linkage of two cam main shafts 19, when the first double cam module cam 20 is in lift, the
A pair of module cam 20 drives idler wheel 24 to turn right movement, and then driving double cam module bottom plate 26 moves right.When first
When double cam module cam 20 is in backhaul, the second double cam module cam 23 is in lift, and idler wheel 24 can be driven to transport to the left
It is dynamic, and then double cam bottom plate is driven to move downward.Second synchronizing wheel 18 rotation, one circle, double cam bottom plate or so back and forth movement two
It is secondary.
Further, the first double cam module cam 20 is consistent with the second double cam module 23 structures of cam,
To guarantee that frequency is consistent, and the long axis of the long axis of the first double cam module cam 20 and the second double cam module cam 23
When vertically, so that the first cam main shaft 19A is rotated, the left and right reciprocating of double cam module drive workpiece to be welded.
Further, sides adjacent is equipped with fixture between single module and double cam module, for clamping workpiece
Complete welding.
Working principle: clamping workpiece by fixture, starts motor, and the first driving synchronous belt 16A passes through the first synchronizing wheel 15
Drive module bevel gear shaft 14 is driven, single module bevel gear shaft 8 drives single module cam 9 to rotate, to promote to drive
The up-and-down reciprocating movement of workpiece to be welded is moved, the second driving synchronous belt 16B drives the first cam main shaft 19A rotation at the same time,
First double cam module cam 20 linkage, under the drive of double cam module synchronization band 22, on the second cam main shaft 19B second
Double cam module cam linkage, the lift of the first double cam module cam 20 are opposite with the backhaul of the second double cam module cam 23
Answer the backhaul of the/the first double cam module cam 20 corresponding with the lift of the second double cam module cam.In the welding process, double
Cam pack has a cam to be in lift always, and another is in backhaul.For single cam, by setting lift with
The group number of backhaul is the reciprocating frequency of changeable double cam module.Therefore in the welding process, driven by single module
The up-and-down reciprocating movement of workpiece to be welded, the left and right reciprocating of double cam module drive workpiece to be welded are moved, feeding module drives
Dynamic two weldments move toward one another, to complete welding process.In Fig. 5, one circle of the second synchronizing wheel 18 rotation, double cam bottom plate or so
Back and forth movement is twice.
Embodiment 2
Difference is, using cam structure in Fig. 6, then double cam bottom plate or so back and forth movement five times.
Embodiment 3
Difference is, using using cam structure in Fig. 7, then double cam bottom plate or so back and forth movement six times.
Not limited to this, any change or replacement expected without creative work should all be covered in guarantor of the invention
Within the scope of shield.Therefore, protection scope of the present invention should be determined by the scope of protection defined in the claims.
Claims (7)
1. a kind of linear friction welding apparatus, which is characterized in that using double cam cooperation driving weldment or so reciprocating, packet
Include single module, double cam module, drive module, feeding module, pedestal；The front end of pedestal is fixedly connected with feeding module, into
It is hinged to module and single module, it is double cam module on rear side of single module, the left side of pedestal is equipped with drive module, driving
Module is driven single module, double cam module by the first driving synchronous belt A and the second driving synchronous belt B, single module,
Double cam module is all fixedly connected with pedestal.
2. linear friction welding apparatus according to claim 1, which is characterized in that it is described list module include sliding rail,
Sliding block, support frame, rolling bearing units, rolling bearing units bracket A, single module bevel gear shaft, single module cam, push plate, list
Module bottom plate, drive module bevel gear shaft；Single module cam is connected by key with single module bevel gear shaft, is pushed away
The inside casing of plate is bonded up and down with single module cam, and push plate is fixedly connected with single module bottom plate, single module bottom plate
It is equipped with sliding rail and sliding block close to drive module side lower surface, sets that there are two rolling bearing units, bands on single module bevel gear shaft
Seat bearing is fixed on support frame, and the rotation of single module bevel gear shaft can drive the rotation of single module cam, into
And the reciprocating of single module bottom plate is driven, drive module bevel gear shaft is fixed on pedestal by rolling bearing units bracket A
On, drive module bevel gear shaft bottom is connected by key with the first synchronizing wheel.
3. linear friction welding apparatus according to claim 1, which is characterized in that the drive module includes first synchronous
Wheel, the first driving synchronous belt A, the second driving synchronous belt B, motor, the second synchronizing wheel；Motor is fixedly connected with pedestal, and motor is defeated
Shaft bottom is equipped with the first driving synchronous belt A, the second driving synchronous belt B, the first driving synchronous belt A drives to single cam die
Block, the second driving synchronous belt B drive to double cam module.
4. linear friction welding apparatus according to claim 1, which is characterized in that the feeding module includes bracket, pushes away
Bar；Bracket is fixedly connected with pedestal, and one end of push rod and bracket are hinged, single module bottom plate of the other end and single module
Hingedly.
5. linear friction welding apparatus according to claim 1, which is characterized in that the double cam module includes first convex
Take turns principal axis A, the second cam main shaft B, the first double cam module cam, third synchronizing wheel, double cam module synchronization band, the second biconvex
Take turns module cam, idler wheel, rolling wheel support, double cam module bottom plate, the first cam main shaft A, the second cam main shaft B by bearing with
The connection of double cam module bottom plate, the first double cam module cam are connected by key with cam main shaft, are set above the first cam main shaft A
Spaced winding one of the 4th synchronizing wheel B, third synchronizing wheel A and the 4th synchronizing wheel B is set above third synchronizing wheel A, the second cam main shaft B
Double cam module synchronization band, rolling wheel support are fixedly connected with double cam module bottom plate, and rolling wheel support is T-type, and one end is fixed on double
On module bottom plate, other end two sides are all provided with idler wheel, and two side wheels are close to the first double cam module cam and second pair respectively
Module cam.
6. linear friction welding apparatus according to claim 5, which is characterized in that the first double cam module cam with
The second double cam module cam structure is consistent, to guarantee that frequency is consistent, and the long axis of the first double cam module cam with
The long axis of the second double cam module cam is vertical.
7. linear friction welding apparatus according to claim 2 or 5, which is characterized in that the list module and biconvex
Sides adjacent is equipped with fixture between wheel module, completes welding for clamping workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910202130.6A CN109865933A (en) | 2019-03-22 | 2019-03-22 | A kind of linear friction welding apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910202130.6A CN109865933A (en) | 2019-03-22 | 2019-03-22 | A kind of linear friction welding apparatus |
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| CN109865933A true CN109865933A (en) | 2019-06-11 |
Family
ID=66920758
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| CN201910202130.6A Pending CN109865933A (en) | 2019-03-22 | 2019-03-22 | A kind of linear friction welding apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110587115A (en) * | 2019-09-27 | 2019-12-20 | 南昌航空大学 | Novel linear friction welding device |
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