CN110369933A - A kind of aluminium alloy friction welding apparatuses - Google Patents
A kind of aluminium alloy friction welding apparatuses Download PDFInfo
- Publication number
- CN110369933A CN110369933A CN201910625203.2A CN201910625203A CN110369933A CN 110369933 A CN110369933 A CN 110369933A CN 201910625203 A CN201910625203 A CN 201910625203A CN 110369933 A CN110369933 A CN 110369933A
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- pressure plate
- pressing plate
- aluminium alloy
- auxiliary pressing
- shaft
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 27
- 238000003466 welding Methods 0.000 title claims abstract description 24
- 238000003825 pressing Methods 0.000 claims abstract description 71
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 210000003734 kidney Anatomy 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910001234 light alloy Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007790 solid phase Substances 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
- 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
- B23K20/126—Workpiece support, i.e. backing or clamping
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The present invention provides a kind of aluminium alloy friction welding apparatuses, including aluminium alloy fixture, and the aluminium alloy fixture includes pedestal and hold-down mechanism, and the hold-down mechanism includes support, pressure plate, cylinder, auxiliary pressing plate and position-limit mechanism；The support is vertically fixed on pedestal；The pressure plate parallel plinth setting, the middle part of the pressure plate pass through the first rotating shaft being laterally arranged and swing on support；The cylinder is set on pedestal, the piston rod of cylinder and one end of pressure plate connect, the auxiliary pressing plate is set to the other end of pressure plate with respect to cylinder, the auxiliary pressing plate is rotated on pressure plate by the second shaft parallel with first rotating shaft, and the auxiliary pressing plate can be in contact with the upper surface of welded workpiece；The position-limit mechanism is set on pressure plate, for limiting the turned position of auxiliary pressing plate.The present invention can increase the contact area that welded workpiece is compacted, and raising is fixed effect, and workpiece surface is avoided to generate impression.
Description
Technical field
Present invention relates particularly to a kind of aluminium alloy friction welding apparatuses.
Background technique
Agitating friction weldering is a kind of solid-phase welding technology, is particularly suitable for light-alloy welding.Compared with conventional fused weldering, stir
It mixes friction welding (FW) and does not allow the defects of being also easy to produce hydrogen blistering, slag inclusion, fire check, large deformation in the welding process, and difficult weldering may be implemented
The connection of material.Its working principle is: mixing needle is inserted into workpiece to be welded by high-speed rotating stirring-head, when workpiece to be welded
After being closely contacted with the stirring-head shaft shoulder, stirring-head is relatively moved along welding direction and workpiece；Stirring-head and workpiece it
Between severe friction increase welding temperature quickly, weld metal zone metal present hot plastic state, mixing needle and the shaft shoulder traction,
Stirring and the lower formation densification of extruding, reliable weld seam.Workpiece in quality and welding process to guarantee friction stir weld
Stability needs to make special fixture and rigidly fixes to workpiece.
As shown in Figure 1, being a kind of fixture in the prior art, pressure plate rotation is driven by cylinder, is realized to be welded
The compression of workpiece, still, the fixture can only adapt to the workpiece within the scope of relatively small thickness, when the thickness of workpiece is larger or smaller,
By above-mentioned clamp pressing, cylinder drives pressure plate to rotate, and the contact area of pressure plate and workpiece can become smaller, and on the one hand compresses solid
It is poor to determine effect, the small pressure of another aspect contact area is big, may result in workpiece surface and generates impression or damage, may cause shadow
The case where ringing workpiece use occurs.
Summary of the invention
In order to solve the above technical problems, can increase to be welded the present invention provides a kind of aluminium alloy friction welding apparatuses
The contact area that workpiece is compacted, raising are fixed effect, and workpiece surface is avoided to generate impression.
The present invention adopts the following technical scheme:
A kind of aluminium alloy friction welding apparatuses, including aluminium alloy fixture, the aluminium alloy fixture includes pedestal and compacting machine
Structure, the pedestal are equipped with the rest area for installing welded workpiece, and the hold-down mechanism is symmetrically disposed on the two of rest area
Side, for welded workpiece to be longitudinally pressed in pedestal, the hold-down mechanism includes:
Support is vertically fixed on pedestal；
Pressure plate, parallel plinth setting, the middle part of the pressure plate pass through the first rotating shaft being laterally arranged and swing in support
On, for welded workpiece to be pressed in pedestal along longitudinal direction；
Cylinder is set on pedestal, and the piston rod of cylinder and one end of pressure plate connect, and drives pressure plate around first rotating shaft
It swings；
Pressing plate is assisted, opposite cylinder is set to the other end of pressure plate, and the auxiliary pressing plate is rotated in by the second shaft
On pressure plate, second shaft is parallel with first rotating shaft, the auxiliary pressing plate can with by the upper surface of welded workpiece
It is in contact；
Position-limit mechanism is set on pressure plate, for limiting the turned position of auxiliary pressing plate.
Preferably, the position-limit mechanism includes the ratchet being set on auxiliary pressing plate and the spine being set on pressure plate
Pawl, the axial direction of the ratchet is parallel with the second shaft, and the ratchet and auxiliary pressing plate rotate synchronously；The pawl is by with
On the parallel third shaft swing of one shaft and pressure plate, when the pawl is matched with ratchet, limitation auxiliary pressing plate is along longitudinal direction
It is rotated up.
Preferably, the auxiliary pressing plate is equipped with the U-type groove for accommodating pressure plate end, assists pressing plate in the two sides of U-type groove
Linking arm is formed, the second shaft runs through the end of pressure plate and is connected on the linking arm of two sides, solid respectively on the linking arm
Surely there is the ratchet, the pawl is symmetrically disposed on the two sides of pressure plate.
Preferably, the torsional spring being connected between pawl and pressure plate, the pressure plate are also socketed in the third shaft
Side wall be equipped with the limited block that rotates down along longitudinal direction of limitation pawl.
Preferably, the pawl includes pawl portion and pulling part, and the pawl portion and pulling part are distributed in third shaft
Two sides, the pulling part are able to drive pawl and rotate longitudinally upward.
Preferably, the connecting rod of parallel first rotating shaft is connected between the pulling part of two sides, the pressure plate is equipped with edge
The sliding slot longitudinally extended, the interior sliding of the sliding slot have operating stick, are equipped in the operating stick for perforative first kidney-shaped of connecting rod
Hole, first kidney slot generated lateral displacement when can accommodate connecting rod around the rotation of third shaft.
Preferably, the pressure plate is equipped with perforative through-hole along longitudinal direction, and the upper end of the support is located in through-hole, described
First rotating shaft runs through the upper end of support and is connected to the two sides of through-hole, the opposite pressure plate for being opened in through-hole two sides of the sliding slot
On, the operating stick is located in the sliding slot of two sides simultaneously, and area is additionally provided in the operating stick in through-hole greater than operating stick
Contact block.
Preferably, the cylinder is fixed on the lower surface of pedestal, and the piston rod offered on the pedestal for cylinder passes through
Handle hole, the pressure plate is equipped with the second kidney slot for extending transversely, the work of the cylinder far from one end of auxiliary pressing plate
Stopper rod is connected in the second kidney slot by the 4th shaft parallel with first rotating shaft.
Beneficial effects of the present invention: the present invention is when clamping the aluminium alloy welded workpiece of specific thicknesses, without using auxiliary
Pressing aid plate directly drives pressure plate to rotate around first rotating shaft by cylinder, until when pressure plate parallel plinth, by welded workpiece edge
Longitudinal direction is pressed on pedestal, is realized and is fixed；When clamping thickness is not the welded workpiece of specific thicknesses, rotation auxiliary pressing plate is simultaneously
The position that auxiliary pressing plate is limited by position-limit mechanism makes to assist pressing plate and pressure plate at an angle, is driven and compressed by cylinder
Plate is rotated around first rotating shaft, can guarantee that the lower surface for assisting pressing plate is in contact with the upper surface of welded workpiece, to increase
Contact area, raising are fixed effect；Contact area is big, and pressure reduces, therefore can be avoided workpiece surface and generate impression.
Detailed description of the invention
Attached drawing is used to provide to preferred understanding of the invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram of fixture in background technique；
Fig. 2 is overall structure diagram of the invention；
Fig. 3 is the structural schematic diagram at the single hold-down mechanism of the present invention；
Fig. 4 is schematic diagram when auxiliary pressing plate is rotated up to maximum engagement position in Fig. 2；
Fig. 5 is to compress schematic diagram when thickness is less than the welded workpiece of specific thicknesses by auxiliary pressing plate in Fig. 2；
Fig. 6 is the structural schematic diagram of present invention auxiliary pressing plate；
Fig. 7 is each member connection structure schematic diagram at pressure plate upper hopper chute of the present invention；
Fig. 8 is the schematic diagram that pawl of the present invention is connect with operating stick.
In the figure, it is marked as 1, pedestal；2, hold-down mechanism；3, support；4, pressure plate；5, cylinder；6, pressing plate is assisted；7, first
Shaft；8, the second shaft；9, ratchet；10, pawl；11, third shaft；12, U-type groove；13, linking arm；14, limited block；15, spine
Claw；16, pulling part；17, connecting rod；18, sliding slot；19, operating stick；20, the first kidney slot；21, through-hole；22, contact block；
23, the second kidney slot；24, the 4th shaft.
Specific embodiment
A specific embodiment of the invention is described with reference to the accompanying drawing.
It is a kind of aluminium alloy friction welding apparatuses of the present embodiment, including aluminium alloy fixture as shown in Fig. 2 to Fig. 8, aluminium closes
Golden fixture includes pedestal 1 and hold-down mechanism 2, and pedestal 1 is equipped with the rest area for installing welded workpiece, and hold-down mechanism 2 is right
Claim the two sides for being set to rest area, for welded workpiece to be longitudinally pressed in pedestal 1, hold-down mechanism 2 includes support 3, pressure
Tight plate 4, cylinder 5, auxiliary pressing plate 6 and position-limit mechanism；
Support 3 is vertically fixed on pedestal 1；The middle part of the setting of 4 parallel plinth 1 of pressure plate, pressure plate 4 passes through laterally setting
First rotating shaft 7 swing on support 3, for welded workpiece to be pressed in pedestal 1 along longitudinal direction；Cylinder 5 is set to pedestal 1
On, the piston rod of cylinder 5 is connect with one end of pressure plate 4, and pressure plate 4 is driven to swing around first rotating shaft 7；Assist pressing plate 6 opposite
Cylinder 5 is set to the other end of pressure plate 4, and auxiliary pressing plate 6 is rotated on pressure plate 4 by the second shaft 8, the second shaft 8 with
First rotating shaft 7 is parallel, and auxiliary pressing plate 6 can be in contact with the upper surface of welded workpiece；Position-limit mechanism is set to pressure plate 4
On, for limiting the turned position of auxiliary pressing plate 6.
When clamping the aluminium alloy welded workpiece of specific thicknesses, that is, 4 lower surface of pressure plate is just met between pedestal 1
Distance specific thicknesses, without using assist pressing plate 6, directly by cylinder 5 drive pressure plate 4 around first rotating shaft 7 rotation, until
When 4 parallel plinth 1 of pressure plate, welded workpiece is pressed in along longitudinal direction on pedestal 1, realizes and fixes；It is, of course, also possible to placing
End position-limit mechanism is arranged in the both ends in area, and side position-limit mechanism is arranged in the two sides of rest area, it is to be welded to limit aluminium alloy respectively
The end position and side locations of workpiece, then compressed by the longitudinal of pressure plate 4, it is waited for limit aluminium alloy to the greatest extent
The position of welding workpiece preferably secures aluminium alloy welded workpiece, friction welding operation is facilitated to smoothly complete；
When clamping thickness is not the welded workpiece of specific thicknesses, rotation auxiliary pressing plate 6 is simultaneously limited by position-limit mechanism
The position for assisting pressing plate 6, makes to assist pressing plate 6 and pressure plate 4 at an angle, drives pressure plate 4 around first rotating shaft by cylinder 5
7 rotations can guarantee that the lower surface for assisting pressing plate 6 is in contact with the upper surface of welded workpiece, to increase contact area, mention
Height is fixed effect；
Specifically, cylinder 5 is fixed on the lower surface of pedestal 1, the behaviour passed through for the piston rod of cylinder 5 is offered on pedestal 1
Make hole, pressure plate 4 is equipped with the second kidney slot 23 extended transversely far from one end of auxiliary pressing plate 6, and the piston rod of cylinder 5 passes through
Fourth shaft 24 parallel with first rotating shaft 7 is connected in the second kidney slot 23；
When clamping thickness is less than the welded workpiece of specific thicknesses, it is rotated up auxiliary pressing plate 6 and defined position, cylinder
5, which push up the swing of pressure plate 4, moves down end in rest area, to be welded by assisting the lower surface of pressing plate 6 to compress
The upper surface of workpiece；When clamping thickness is greater than the welded workpiece of specific thicknesses, rotates down auxiliary pressing plate 6 and limit position
It sets, the retraction of cylinder 5 pulls pressure plate 4 to be rocked to the maximum position that end is located above rest area in advance, then upward by cylinder 5
The swing of pressure plate 4 is pushed to move down end in rest area, by assisting the lower surface of pressing plate 6 to compress welded workpiece
Upper surface.
Wherein, position-limit mechanism includes the ratchet 9 being set on auxiliary pressing plate 6 and the pawl 10 that is set on pressure plate 4,
The axial direction of ratchet 9 is parallel with the second shaft 8, and ratchet 9 and auxiliary pressing plate 6 rotate synchronously；Pawl 10 passes through flat with first rotating shaft 7
Capable third shaft 11 is swung on pressure plate 4, and when pawl 10 is matched with ratchet 9, limitation auxiliary pressing plate 6 turns longitudinally upward
Dynamic, i.e. auxiliary pressing plate 6 can not be rotated up, when assisting the lower surface of pressing plate 6 to compress the upper surface of welded workpiece, reaction
Power can not also make that pressing plate 6 is assisted to rotate, and realize the position restriction of auxiliary pressing plate 6, and raising is fixed effect；In the present embodiment,
Auxiliary pressing plate 6 is rotated up to maximum engagement position in advance, and the position of auxiliary pressing plate 6 is adjusted by rotating down manually.
Specifically, auxiliary pressing plate 6 is equipped with the U-type groove 12 for accommodating 4 end of pressure plate, assist pressing plate 6 the two of U-type groove 12
Side forms linking arm 13, and the second shaft 8 runs through the end of pressure plate 4 and is connected on the linking arm 13 of two sides, on linking arm 13
It is respectively fixed with ratchet 9, pawl 10 is symmetrically disposed on the two sides of pressure plate 4；In order to simplify the installation of ratchet 9, the present embodiment
The end of linking arm 13 forms the semi arch coaxial with the second shaft 8, is uniformly distributed ratchet on the periphery of semi arch, should be partly
Circular arc and ratchet form above-mentioned ratchet 9, at this point, the compression working face of auxiliary pressing plate 6, the i.e. lower surface of auxiliary pressing plate 6 and spine
Wheel 9 is distributed across 8 two sides of the second shaft, and therefore, ratchet is designed to be downwardly inclined；It is socketed in third shaft 11 and is connected to spine
Torsional spring between pawl 10 and pressure plate 4, the side wall of pressure plate 4 are equipped with the limited block that limitation pawl 10 rotates down along longitudinal direction
14, pawl 10 can only be rotated up, and can not be rotated down, therefore when pawl 10 is matched with ratchet, can limit auxiliary pressure
The compression working face of plate 6 rotates longitudinally upward.
Wherein, pawl 10 includes pawl portion 15 and pulling part 16, and pawl portion 15 with ratchet 9 for matching, pawl portion 15
The two sides of third shaft 11 are distributed in pulling part 16, pulling part 16 is plate-like, and the length direction of pulling part 16 is along third shaft
11 radially extend, rotating ratchet 9 to certain angle, then push pulling part 16, can rotate longitudinally upward with pawl 10,
It is detached from pawl 10 and ratchet, release auxiliary pressing plate 6, so as to pressing plate 6 be assisted to be rotated up to maximum position.
In order to enable 10 synchronization action of pawl of two sides, parallel first rotating shaft 7 is connected between the pulling part 16 of two sides
Connecting rod 17, pressure plate 4 is equipped with the sliding slot 18 that extends longitudinally, and sliding has an operating stick 19 in sliding slot 18, in operating stick 19
Equipped with for perforative first kidney slot 20 of connecting rod 17, the first kidney slot 20 can accommodate connecting rod 17 and rotate around third shaft 11
When generated lateral displacement, pressure plate 4 is equipped with perforative through-hole 21, the upper end of support 3 along longitudinal direction and is located in through-hole 21, the
One shaft 7 runs through the upper end of support 3 and is connected to the two sides of through-hole 21, the opposite pressure plate for being opened in 21 two sides of through-hole of sliding slot 18
On 4, operating stick 19 is located at simultaneously in the sliding slot 18 of two sides, and area is additionally provided in the operating stick 19 in through-hole 21 and is greater than operation
The contact block 22 of bar 19；The face contact block 22 in through-hole 21 makes operating stick 19 move longitudinally in the sliding slot 18 of two sides, leads to
It crosses connecting rod 17 while pushing the pulling part 16 of two sides, to realize the synchronization action of two sides pawl 10.
The working principle of the invention:
Auxiliary pressing plate 6 is rotated up to maximum engagement position in advance, concrete operations are first rotating ratchets 9 to certain angle
Degree, pawl portion 15 are detached from ratchet to a certain extent, and the face contact block 22 in through-hole 21, makes operating stick 19 in the cunning of two sides at this time
It moving longitudinally in slot 18, pushes the pulling part 16 of two sides simultaneously by connecting rod 17, band pawl 10 rotates longitudinally upward,
It is detached from pawl 10 and ratchet, release auxiliary pressing plate 6, in manual rotation auxiliary pressing plate 6；
The retraction of cylinder 5 pulls pressure plate 4 to be rocked to and assists pressing plate 6 to be located at the maximum position above rest area, at this time will
Welded workpiece is mounted in rest area；According to the thickness of welded workpiece, auxiliary pressing plate 6 is rotated down to suitable position, gas
Cylinder 5 pushes up the swing of pressure plate 4, by assisting the lower surface of pressing plate 6 to compress the upper surface of welded workpiece, connects to increase
Contacting surface product, raising are fixed effect.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features.It is all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of aluminium alloy friction welding apparatuses, including aluminium alloy fixture, the aluminium alloy fixture includes pedestal and hold-down mechanism,
The pedestal is equipped with the rest area for installing welded workpiece, and the hold-down mechanism is symmetrically disposed on the two sides of rest area,
For welded workpiece to be longitudinally pressed in pedestal, which is characterized in that the hold-down mechanism includes:
Support is vertically fixed on pedestal；
Pressure plate, parallel plinth setting, the middle part of the pressure plate pass through the first rotating shaft being laterally arranged and swing on support, use
In welded workpiece is pressed on pedestal along longitudinal direction；
Cylinder is set on pedestal, and the piston rod of cylinder and one end of pressure plate connect, and pressure plate is driven to put around first rotating shaft
It is dynamic；
Pressing plate is assisted, opposite cylinder is set to the other end of pressure plate, and the auxiliary pressing plate rotates in compression by the second shaft
On plate, second shaft is parallel with first rotating shaft, and the auxiliary pressing plate can connect with by the upper surface of welded workpiece
Touching；
Position-limit mechanism is set on pressure plate, for limiting the turned position of auxiliary pressing plate.
2. a kind of aluminium alloy friction welding apparatuses according to claim 1, which is characterized in that the position-limit mechanism includes setting
The ratchet being placed on auxiliary pressing plate and the pawl being set on pressure plate, the axial direction of the ratchet is parallel with the second shaft,
The ratchet and auxiliary pressing plate rotate synchronously；The pawl passes through the third shaft swing parallel with first rotating shaft and pressure plate
On, when the pawl is matched with ratchet, limitation auxiliary pressing plate rotates longitudinally upward.
3. a kind of aluminium alloy friction welding apparatuses according to claim 2, which is characterized in that the auxiliary pressing plate is equipped with
The U-type groove of pressure plate end is accommodated, auxiliary pressing plate forms linking arm in the two sides of U-type groove, and the second shaft runs through the end of pressure plate
Portion is simultaneously connected on the linking arm of two sides, and the ratchet is respectively fixed on the linking arm, and the pawl is symmetrically disposed on pressure
The two sides of tight plate.
4. a kind of aluminium alloy friction welding apparatuses according to claim 3, which is characterized in that also covered in the third shaft
It is connected to the torsional spring being connected between pawl and pressure plate, the side wall of the pressure plate is equipped with limitation pawl and rotates down along longitudinal direction
Limited block.
5. a kind of aluminium alloy friction welding apparatuses according to claim 4, which is characterized in that the pawl includes pawl portion
And pulling part, the pawl portion and pulling part are distributed in the two sides of third shaft, the pulling part is able to drive pawl along longitudinal direction
It is rotated up.
6. a kind of aluminium alloy friction welding apparatuses according to claim 5, which is characterized in that connect between the pulling part of two sides
It is connected to the connecting rod of parallel first rotating shaft, the pressure plate is equipped with the sliding slot extended longitudinally, and sliding has behaviour in the sliding slot
Make bar, be equipped in the operating stick for perforative first kidney slot of connecting rod, first kidney slot can accommodate connecting rod around
Third shaft generated lateral displacement when rotating.
7. a kind of aluminium alloy friction welding apparatuses according to claim 6, which is characterized in that the pressure plate is equipped with edge
Longitudinal perforative through-hole, the upper end of the support are located in through-hole, and the first rotating shaft runs through the upper end of support and is connected to logical
The two sides in hole, the sliding slot is opposite to be opened on the pressure plate of through-hole two sides, and the operating stick is located in the sliding slot of two sides simultaneously,
The contact block that area is greater than operating stick is additionally provided in the operating stick in through-hole.
8. a kind of aluminium alloy friction welding apparatuses according to any one of claim 1 to 7, which is characterized in that the gas
Cylinder is fixed on the lower surface of pedestal, and the handle hole passed through for the piston rod of cylinder is offered on the pedestal, and the pressure plate is remote
One end from auxiliary pressing plate is equipped with the second kidney slot extended transversely, and the piston rod of the cylinder passes through parallel with first rotating shaft
The 4th shaft be connected in the second kidney slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910625203.2A CN110369933A (en) | 2019-07-11 | 2019-07-11 | A kind of aluminium alloy friction welding apparatuses |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910625203.2A CN110369933A (en) | 2019-07-11 | 2019-07-11 | A kind of aluminium alloy friction welding apparatuses |
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| CN110369933A true CN110369933A (en) | 2019-10-25 |
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| CN201910625203.2A Pending CN110369933A (en) | 2019-07-11 | 2019-07-11 | A kind of aluminium alloy friction welding apparatuses |
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Cited By (4)
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| CN111085766A (en) * | 2019-12-27 | 2020-05-01 | 哈尔滨工业大学 | Thin-plate NiTi alloy electron beam welding quenching solidification fine-grain device and welding method thereof |
| CN111112905A (en) * | 2019-11-23 | 2020-05-08 | 江苏诺米新材料科技有限公司 | Back welding method and welding table for aluminum curtain wall plate |
| CN112192474A (en) * | 2020-10-21 | 2021-01-08 | 池州市明坤电子科技有限公司 | Clamp for machining aluminum alloy square tube and using method thereof |
| CN114939758A (en) * | 2022-04-14 | 2022-08-26 | 广东兴宏业电器有限公司 | Automatic welding system of gas-filled cabinet robot |
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