CN206047393U - A kind of weld jig of heavy axle stiffening ring - Google Patents
A kind of weld jig of heavy axle stiffening ring Download PDFInfo
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- CN206047393U CN206047393U CN201621079129.7U CN201621079129U CN206047393U CN 206047393 U CN206047393 U CN 206047393U CN 201621079129 U CN201621079129 U CN 201621079129U CN 206047393 U CN206047393 U CN 206047393U
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Abstract
This utility model is related to a kind of weld jig of heavy axle stiffening ring, it is adaptable to the welding between heavy axle stiffening ring and axle housing middle piece, belongs to automobile production Automated assembly welding technology field.Technical scheme is：Comprising workpiece internal ring detent mechanism, two ends centering clamp system（5）, stiffening ring hold-down mechanism and fixture deflection welding mechanism, coordinated by oil distribution mechanism, valve actuating mechanism, distribution mechanism, completed to workpiece（9）Positioning, compress and weld.This utility model design structure rationally, after being capable of achieving stiffening ring and axle housing middle piece positioning, it is not necessary to spot welding, you can directly continuously welded, can be used cooperatively with welding robot, can meet the change of welding process angle, improve welding quality；Can fast positioning clamping, stiffening ring is pressed on above axle housing middle piece, coordinates carrying robot arm and welding robot system, using a set of frock, realized full-automatic loading and unloading, positioning, compressions and weld, raising efficiency, it is ensured that product quality.
Description
Technical field
This utility model is related to a kind of weld jig of heavy axle stiffening ring, it is adaptable to heavy axle stiffening ring（Referred to as
Stiffening ring）With heavy-duty car axle centre housing（Abbreviation axle housing middle piece）Between welding, belong to automobile production Automated assembly welding
Technical field.
Background technology
At present, in heavy axle welding production technology, as the annulus of stiffening ring is roughing part, and through cutting
After breach, surface planarity is uneven；It is roughing face above heavy bridge axle centre housing, so in stiffening ring and axle housing group pair
Afterwards, welding and the hole processing of outer side weld can if do not compressed, it is understood that there may be certain gap, be affected, it is in particular possible to meeting
The overall performance of axle housing is reduced, so gap is eliminated or controlled in very little before welding as far as possible；Referring to the drawings 1, it is stiffening ring 1
With the group of axle housing middle piece 2 to figure, the two ends of axle housing middle piece 2 are arranged with pipe, and stiffening ring 1 is referred to as to rear for 2 groups with axle housing middle piece
Workpiece, the gap at A be due to uneven below stiffening ring, so as to cause gap different, need to eliminate gap before welding or
Reduce to sufficiently small.Now, the method for background technology is：First stiffening ring is compressed with oil cylinder class instrument with axle housing middle piece, so
After carry out spot welding firmly, be then then transferred on common weld jig, to carry out sequential welding connect, so, at least need two complete equipments
To complete the welding of stiffening ring；In addition, conversion tool, station are lost time, work efficiency is reduced, is unfavorable for carrying for welding quality
It is high.
Utility model content
This utility model purpose is to provide a kind of welding clamp of heavy axle stiffening ring, is automatically positioned and compresses, can be quick
Stiffening ring is pressed on above axle housing middle piece, coordinates carrying robot arm and welding robot system, using a set of frock, realized from dynamic pressure
It is tight to weld, improve efficiency, it is ensured that product quality, solve the problems referred to above that background technology is present.
The technical solution of the utility model is：
A kind of weld jig of heavy axle stiffening ring, comprising workpiece internal ring detent mechanism, two ends centering clamp system, adds
Strong circle hold-down mechanism and fixture deflection welding mechanism；, to arrangement, the two ends of axle housing middle piece are symmetrical for the group of stiffening ring and axle housing middle piece
Pipe is provided with, stiffening ring is referred to as workpiece to rear with axle housing middle piece group；Four support columns are fixedly installed on the rotary disk, four are propped up
Dagger is uniformly fixed on rotary disk, and workpiece is placed on the support columns；
Workpiece internal ring detent mechanism, comprising power chuck, connecting plate, rotary disk, cylinder rod, bearing bindiny mechanism, lengthening
Connecting rod, master jaw and claw；Power chuck is fixed on rotary disk by connecting plate, and power chuck is coaxially concentric with rotary disk
Arrangement, power chuck are provided with multiple master jaws, arrange along power chuck circumference equidistant intervals, and master jaw is provided with claw；
Cylinder rod passes through bearing bindiny mechanism and lengthens connecting rod to be connected with the master jaw on power chuck；When cylinder rod is ejected, band
Dynamic master jaw is displaced outwardly simultaneously, and claw is stuck on workpiece internal ring, positions workpiece；
Two ends centering clamp system, comprising tooth bar one, support one, roller one, gear, tooth bar two, support two, two and of roller
Little cylinder；One one end of tooth bar is connected with roller one by support one, and one other end of tooth bar is engaged with the side of gear, while gear
Opposite side engage with two one end of tooth bar, two other end of tooth bar is connected with roller two by support two, and little cylinder is connected with tooth bar one
Connect；The cylinder rod of little cylinder is stretched out, and drives tooth bar one to move, and drives roller one and roller two simultaneously to middle clamping, realizes to work
Pipe on part is clamped；The cylinder rod of little cylinder is return, and roller one and roller two are backed out to both sides simultaneously, are unclamped on workpiece
Pipe clamp；The two ends centering clamp system is symmetrical arranged two sets, often covers two ends centering clamp system and is arranged on hand adjustment cunning
On seat, hand adjustment slide is arranged on rotary disk by link, and the pipe being arranged symmetrically using workpiece two ends is clamped positioning；
Hand adjustment slide is provided with handwheel；
Stiffening ring hold-down mechanism, comprising rebound, power chuck, support, connection ring, hinged seat, hinge bar, hydraulic cylinder,
Floating junction and pressure head；Rebound is fixed on above power chuck, and support is multiple, along power chuck circumference equidistant intervals cloth
Put, pedestal lower end is fixed by, on rebound, pedestal upper end is connected with connection ring, support connection ring, in connection ring, arrange many
The individual hinged seat along power chuck circumference equidistant intervals arrangement, hinged seat are provided with hinge bar, are hinged boom end and are provided with pressure head,
Hydraulic cylinder is connected with hinge bar by floating junction；Hydraulic cylinder drives floating junction by cylinder rod, drives hinge bar action, fixed
Stiffening ring on the pressure head workpiece pressing for being hinged boom end；
Fixture deflection welding mechanism, comprising rotary disk, hollow drive shaft, power axle box, displacement axle, outside spindle motor one,
Precision speed reduction device one, displacement axle box, outside spindle motor two, precision speed reduction device two, clearance elimination gear group, gear wheel, yielding coupling
One and yielding coupling two；It is fixedly connected with hollow drive shaft below rotary disk, hollow drive shaft is line shaft, is arranged on power
In axle box；Displacement axle is arranged in displacement axle box, and outside spindle motor one is by the displacement in precision speed reduction device one and displacement axle box
Axle connects, and displacement axle matching connection power axle box, power axle box are structure as a whole with rotary disk and hollow drive shaft；Outside axle electricity
Machine one drives power axle box and rotary disk to change between vertical direction 0-45 degree, just by precision speed reduction device one and displacement axle
In welding workpiece；Outside spindle motor two is connected with clearance elimination gear group by precision speed reduction device two, clearance elimination gear group and hollow driving
Axle connects, and drives hollow drive shaft to rotate, imparts power to rotary disk, it is achieved thereby that soldering angle displacement and welding process
In continuous rotary.
Based on the clearance elimination gear group drive, be connected by yielding coupling one with precision speed reduction device two, gear wheel be from
Moving gear, is connected by yielding coupling two with hollow drive shaft；Clearance elimination gear group adopts double-layer gear form, two-layer gear to adjust
Whole position can eliminate the backhaul gap in rotary course；Meanwhile, precision speed reduction device two is provided with adjustment bolt, by adjusting spiral shell
Bolt, makes the clearance elimination gear group on precision speed reduction device two change with the centre-to-centre spacing of gear wheel, it is ensured that gear engagement is steady.
The displacement axle box, side are connected with precision speed reduction device one by terminal pad one, and displacement axle box opposite side is by connecting
Flange two is connected with Auxiliary support, and displacement axle box is maintained static with Auxiliary support.
The rotary disk is hollow structure, is connected with hollow drive shaft end, workpiece internal ring detent mechanism, two ends centering folder
Tight mechanism and stiffening ring hold-down mechanism are installed on rotary disk, meet the stiffening ring continuously welding requirement of two weeks.
The two ends centering clamp system is externally provided with protective cover, and anti-splashing shield is provided with the top of stiffening ring hold-down mechanism.
The master jaw and claw quantity of the workpiece internal ring detent mechanism is three, equidistantly sows discord along power chuck circumference
Every arrangement.
The number of holders of the stiffening ring hold-down mechanism is three, is arranged along power chuck circumference equidistant intervals；It is described
Connection ring, hinged seat, hinge bar, pressure head are six, arrange along power chuck circumference equidistant intervals, six uniform pressure heads
It is pressed on stiffening ring simultaneously, reaches uniform workpiece pressing purpose.
This utility model also has oil distribution mechanism, valve actuating mechanism, distribution mechanism.
Oil distribution mechanism and valve actuating mechanism provide necessary power for equipment, it is ensured that move in the positioning and welding process of workpiece
It is automatically performed；Oil distribution mechanism and valve actuating mechanism are by fixed oil gas is processed between hollow gyroaxis and power axle box
Passage, the both sides of each gas channel are provided with rotating seal ring, that is, disclosure satisfy that sealing function separates oil circuit and gas circuit, and energy
Enough meet the demand of long-time spin friction.On power axle box, each gas channel correspondence outside, the joint being provided with are installed
Hole, for connecting the joint of power source；At the top of hollow gyroaxis, the installing hole being connected with gas channel is provided with, the peace
After dress hole erection joint, can directly with hydraulic cylinder and little cylinder UNICOM, continuous returning can be ensured by oil distribution mechanism and valve actuating mechanism
Power sustainable supply when turning.
Distribution mechanism provides signal detection in place afterwards for each action, makes whole system intelligent and safe and reliable, wherein
Distribution mechanism is realized by standardized conducting slip ring, and conducting slip ring internal layer is fixed on rotary disk, internal layer multiply signal
Cable directly can be connected with various switch cables, and the outer layer of conducting slip ring is connected with displacement axle box, corresponding multiply signal cable
It is connected to control system.
This utility model good effect：This utility model design structure rationally, is capable of achieving stiffening ring and is positioned with axle housing middle piece
Afterwards, it is not necessary to spot welding, you can directly continuously welded, can use cooperatively with welding robot, welding process angle can be met
Change, improve welding quality；Can fast positioning clamping, stiffening ring is pressed on above axle housing middle piece, coordinate carrying robot arm
And welding robot system, using a set of frock, full-automatic loading and unloading, positioning, compression and welding are realized, efficiency is improved, it is ensured that product
Quality.
Description of the drawings
Fig. 1 is welding workpiece schematic diagram；
In figure：Stiffening ring 1, axle housing middle piece 2, group are to gap A；
Fig. 2 is this utility model embodiment overall structure diagram；
In figure：Pipe 3, link 4, two ends centering clamp system 5, hand adjustment slide 6, handwheel 8, workpiece 9, Auxiliary support
10th, terminal pad 1, terminal pad 2 12, displacement axle box 40, power axle box 52；
Fig. 3 is this utility model embodiment schematic top plan view；
In figure：Hand adjustment slide 6, claw 7, support column 13；
Fig. 4 is that this utility model embodiment special fixture conjugates 45 degree of side schematic views；
In figure：Anti-splashing shield 14, rotary disk 15, conducting slip ring 16, joint 17, gas channel 50, rotating seal ring 51,
Power axle box 52；
Fig. 5 is this utility model embodiment two ends centering clamp system and workpiece two ends pipe position view；
In figure：Pipe 3, roller 1, roller 2 19, little cylinder 20, tooth bar 1, gear 22, tooth bar 2 23；
Fig. 6 is this utility model embodiment workpiece internal ring detent mechanism schematic diagram；
In figure：Cylinder rod 24, bearing bindiny mechanism 25, lengthening connecting rod 26, connecting plate 27, power chuck 28, master jaw
29；
Fig. 7 is this utility model embodiment stiffening ring hold-down mechanism and workpiece schematic diagram；
In figure：Pressure head 30, support 31, rebound 32, hydraulic cylinder 33, hinged seat 34；
Fig. 8 is this utility model embodiment stiffening ring hold-down mechanism schematic top plan view；
In figure：Hinge bar 35, connection ring 36, floating junction 37；
Fig. 9 is that this utility model embodiment displacement axle box drives schematic diagram；
In figure：Outside spindle motor 1, precision speed reduction device 1, displacement axle box 40, power axle box 52, joint installing hole
53；
Figure 10 is this utility model embodiment hollow drive shaft revolution driving schematic diagram；
In figure：Outside spindle motor 2 41, precision speed reduction device 2 42, adjustment bolt 43, clearance elimination gear group 44, yielding coupling
One 45, gear wheel 46, yielding coupling 2 47, hollow drive shaft 48, protective cover 49, power axle box 52；
Figure 11 is this utility model embodiment clearance elimination gear group and gear wheel mesh schematic representation；
In figure：Clearance elimination gear group 44, gear wheel 46, backhaul gap 54.
Specific embodiment
Below in conjunction with accompanying drawing, this utility model is described further by embodiment.
A kind of weld jig of heavy axle stiffening ring, comprising workpiece internal ring detent mechanism, two ends centering clamp system 5,
Stiffening ring hold-down mechanism and fixture deflection welding mechanism；The group of stiffening ring 1 and axle housing middle piece 2 is to arrangement, the two ends of axle housing middle piece 2
Pipe 3 is arranged with, stiffening ring 1 is referred to as workpiece 9 to rear for 2 groups with axle housing middle piece；Four supports are fixedly installed on the rotary disk
Post 13, four support columns are uniformly fixed on rotary disk 15, and workpiece is placed on the support columns；
Workpiece internal ring detent mechanism, comprising power chuck 28, connecting plate 27, rotary disk 15, cylinder rod 24, bearing connection machine
Structure 25, lengthening connecting rod 26, master jaw 29 and claw 7；Power chuck 28 is fixed on rotary disk 15 by connecting plate 27, power
Chuck 28 and 15 coaxial arranged concentric of rotary disk, power chuck 28 is provided with multiple master jaws 29, equidistant along power chuck circumference
From arranged for interval, master jaw 29 is provided with claw 7；Cylinder rod 24 passes through bearing bindiny mechanism 25 and lengthens connecting rod 26 and power
Master jaw 29 on chuck 28 connects；When cylinder rod 24 is ejected, master jaw 29 is driven to be displaced outwardly simultaneously, claw is stuck in workpiece
On internal ring, workpiece 9 is positioned；
Two ends centering clamp system 5, comprising tooth bar 1, support one, roller 1, gear 22, tooth bar 2 23, support
2nd, roller 2 19 and little cylinder 20；One 21 one end of tooth bar is connected with roller 1 by support one, one 21 other end of tooth bar and tooth
The side engagement of wheel 22, while the opposite side of gear 22 is engaged with 2 23 one end of tooth bar, 2 23 other end of tooth bar passes through support two
It is connected with roller 2 19, little cylinder 20 is connected with tooth bar 1；The cylinder rod of little cylinder 20 is stretched out, and drives tooth bar 1 to move, band
, simultaneously to middle clamping, realization is clamped to the pipe on workpiece 9 for dynamic roller 1 and roller 2 19；The cylinder rod of little cylinder 20
Return, roller 1 and roller 2 19 are backed out to both sides simultaneously, unclamp and the pipe on workpiece 9 is clamped；The two ends centering folder
Tight mechanism is symmetrical arranged two sets, often covers two ends centering clamp system 5 and is arranged on hand adjustment slide 6, and hand adjustment slide 6 passes through link
4 are arranged on rotary disk 15, are clamped positioning using the pipe 3 that workpiece two ends are arranged symmetrically；Hand adjustment slide 6 is provided with handwheel
8；
Stiffening ring hold-down mechanism, comprising rebound 32, power chuck 28, support 31, connection ring 36, hinged seat 34, is hinged
Bar 35, hydraulic cylinder 33, floating junction 37 and pressure head 30；Rebound 32 is fixed on above power chuck 28, and support 31 is multiple, edge
Power chuck circumference equidistant intervals arrange that pedestal lower end is fixed by, on rebound 32, pedestal upper end is connected with connection ring 36
Connect, support connection ring 36, multiple hinged seats 34 along power chuck circumference equidistant intervals arrangement, hinged seat are set in connection ring
34 are provided with hinge bar 35, and 35 end of hinge bar is provided with pressure head 30, and hydraulic cylinder 33 is connected with hinge bar 35 by floating junction 37；
Hydraulic cylinder 33 drives floating junction 37 by cylinder rod, drives 35 action of hinge bar, the pressure head 30 for being fixed on 35 end of hinge bar to press
Stiffening ring above clamping of workpieces 9；
Fixture deflection welding mechanism, comprising rotary disk 15, hollow drive shaft 48, power axle box 52, displacement axle, outside axle electricity
Machine 1, precision speed reduction device 1, displacement axle box 40, outside spindle motor 2 41, precision speed reduction device 2 42, clearance elimination gear group 44,
Gear wheel 46, yielding coupling 1 and yielding coupling 2 47；Rotary disk 15 is fixedly connected with hollow drive shaft 48 below, empty
Heart drive shaft 48 is line shaft, is arranged in power axle box 52；Displacement axle is arranged in displacement axle box 40, outside spindle motor 1
It is connected with the displacement axle in displacement axle box 40 by precision speed reduction device 1, displacement axle matching connection power axle box 52, line shaft
Case 52 is structure as a whole with rotary disk 15 and hollow drive shaft 48；Outside spindle motor 1 passes through precision speed reduction device 1 and displacement
Axle, drives power axle box 52 and rotary disk 15 to change between vertical direction 0-45 degree, is easy to welding workpiece；Outside spindle motor two
41 are connected with clearance elimination gear group 44 by precision speed reduction device 2 42, and clearance elimination gear group 44 is connected with hollow drive shaft 48, are driven empty
Heart drive shaft 48 is rotated, and imparts power to rotary disk 15, it is achieved thereby that continuous in soldering angle displacement and welding process
Revolution.
Drive based on the clearance elimination gear group 44, be connected by yielding coupling 1 with precision speed reduction device 2 42, canine tooth
Wheel 46 is driven gear, is connected by yielding coupling 2 47 with hollow drive shaft 48；Clearance elimination gear group 44 adopts double-layer gear
Form, two-layer gear adjustment position can eliminate the backhaul gap 54 in rotary course；Meanwhile, precision speed reduction device 2 42 is provided with tune
Whole bolt 43, by adjustment bolt 43, makes the centre-to-centre spacing of the clearance elimination gear group on precision speed reduction device 2 42 and gear wheel
Change, it is ensured that gear engagement is steady.
The displacement axle box 40, side are connected with precision speed reduction device 1 by terminal pad 1, conjugate axle box opposite side
It is connected with Auxiliary support 10 by terminal pad 2 12, displacement axle box 40 is maintained static with Auxiliary support 10.
The rotary disk 15 is hollow structure, is connected with 48 end of hollow drive shaft, workpiece internal ring detent mechanism, two ends pair
Middle clamp system and stiffening ring hold-down mechanism are installed on rotary disk 15, meet the stiffening ring continuously welding requirement of two weeks.
Below the rotary disk, conducting slip ring is provided with anti-splashing at the top of stiffening ring hold-down mechanism to be externally provided with protective cover 49
Shield 14.
The master jaw 29 and 7 quantity of claw of the workpiece internal ring detent mechanism is three, equidistant along power chuck circumference
From arranged for interval.
31 quantity of support of the stiffening ring hold-down mechanism is three, is arranged along power chuck circumference equidistant intervals；Institute
State connection ring 36, hinged seat 34, hinge bar 35, pressure head 30 and be six, arrange along power chuck circumference equidistant intervals, six
Uniform pressure head 30 is pressed on stiffening ring simultaneously, reaches 9 purpose of uniform workpiece pressing.
This utility model using method：
1. workpiece feeding：Displacement axle in displacement axle box is in horizontality；Link 4 in displacement axle parallel shape
State, two ends centering clamp system 5 are adjusted to match the position of pipe 3 on workpiece 9, roller one and roller two by hand adjustment slide 6
In being opened to maximum rating；Claw 7 on workpiece internal ring detent mechanism power chuck 28, in returning back to minimum state；Plus
The pressure head 30 of strong circle hold-down mechanism is in and returns to penetralia state；After meeting above-mentioned condition, four that workpiece 9 is placed into
On dagger 13, support column 13 is uniformly fixed on rotary disk 15, is then operated；
Workpiece internal ring is positioned：Cylinder rod 24 is ejected, and drives master jaw 29 to be displaced outwardly simultaneously, and claw is stuck in workpiece internal ring
On, the stretching to axle housing middle piece and stiffening ring endoporus is completed, completes to position 9 center of workpiece；The disk body of power chuck 28 is by connecting
Fishplate bar is arranged on rotary disk 15, it is ensured that power chuck is concentric with rotary disk 15；
Two ends centering is clamped：The cylinder rod of little cylinder 20 is stretched out, and drives tooth bar 1 to move, drives roller 1 and roller
2 19 simultaneously to middle clamping, and realization is clamped to the pipe on workpiece 9；Two sets of two ends centering clamp systems 5 are clamped respectively
The pipe 3 that workpiece two ends are arranged symmetrically, carries out centering clamping and positioning；
Stiffening ring is compressed：Hydraulic cylinder 33 drives floating junction 37 by cylinder rod, drives 35 action of hinge bar, is fixed on hinge
Stiffening ring above 30 workpiece pressing 9 of pressure head of 35 end of extension bar；
Displacement revolution welding：Outside spindle motor 1 drives power axle box by precision speed reduction device 1 and displacement axle
52 and rotary disk 15 change between vertical direction 0-45 degree, be easy to welding workpiece 9；Meanwhile, outside spindle motor 2 41 is by essence
Close decelerator 2 42 and clearance elimination gear group 44, drive hollow drive shaft 48 to rotate, impart power to rotary disk 15, so as to realize
Continuous rotary in soldering angle displacement and welding process, completes workpiece welding；
Workpiece blanking：Displacement axle in displacement axle box is in horizontality；Link 4 in displacement axle parallel shape
State, in two ends centering clamp system 5, roller 1 and roller 2 19 are in and are opened to maximum rating；Workpiece internal ring detent mechanism is moved
Claw 7 on power chuck 28, in returning back to minimum state；Workpiece after welding is removed from support column 13.
More specifically embodiment：
This utility model is met the change needs of soldering angle, is rotated by hollow drive shaft 48 by conjugating axle displacement,
Meet the needs that stiffening ring circumferential weld is continuously welded, centering clamp system in two ends clamps the pipe at axle housing middle piece two ends, workpiece internal ring
The endoporus of the claw of detent mechanism, stretching axle housing middle piece and stiffening ring, stiffening ring hold-down mechanism compress stiffening ring by pressure head
Above；Public distribution, necessary power and feedback signal are provided with oil, valve actuating mechanism, it is ensured that be automatically performed workpiece
Positioning and welding process, each action are designed with signal detection in place afterwards, make whole system intelligent and safe and reliable.
Two ends centering clamp system 5 clamps axle housing middle piece two ends pipe, by the leading screw with handwheel, adjusts hand adjustment slide 6
Position, to adapt to the change demand of different axle housing length.
The workpiece internal ring detent mechanism adopts three-jaw standard power chuck, connects cylinder rod and moves by lengthening connecting rod
The master jaw of power chuck, by little cylinder driving card pawl seat and claw；The disk body of power chuck is arranged on revolution by connecting plate
On disk, it is ensured that power chuck is concentric with rotary disk, lengthen connecting rod with cylinder rod junction adopt one group of bearing bindiny mechanism,
Power chuck is made to follow revolution disc spins seasonal epidemic pathogens cylinder rod not rotate, so can be with the internal structure of the little cylinder of effective protection；Lengthen
Connecting rod passes through inside hollow gyroaxis 48, has certain gap with hollow gyroaxis, it is ensured that mutually unaffected.
The stiffening ring hold-down mechanism, hydraulic cylinder are driven using gas liquid pressurization system, only need to be provided fixed source of the gas, be passed through
The fluid pressure higher than 6-8 times of bleed pressure be provided for hydraulic cylinder by pressure charging system, driving hydraulic cylinder is come with this, pressure is reached
Tight purpose.Hinged seat is distributed on by circumferencial direction by support and connection ring, six hinge bars of connection are connected with hydraulic cylinder rod
Place is connected using floating junction, and the power of hydraulic cylinder can be evenly distributed on six pressure heads.
Oil distribution mechanism of the present utility model and valve actuating mechanism provide necessary power for equipment, it is ensured that workpiece positioning and
Action in welding process is automatically performed；Distribution mechanism provides signal detection in place afterwards for each action, makes whole system intelligent
And it is safe and reliable, wherein distribution mechanism is realized by standardized conducting slip ring, and 16 internal layer of conducting slip ring is fixed on revolution
On disk 15, internal layer multiply signal cable directly can be connected with various switch cables, and outer layer and the displacement axle box 40 of conducting slip ring connect
Connect, corresponding multiply signal cable is connected to control system；Oil distribution mechanism and valve actuating mechanism are by 48 He of hollow gyroaxis
Fixed gas channel 50 is processed between power axle box 52, the both sides of each gas channel are provided with rotating seal ring 51, i.e.,
Disclosure satisfy that sealing function separates oil circuit and gas circuit, disclosure satisfy that the demand of long-time spin friction again.On power axle box 52,
Each correspondence of gas channel 50 outside, the joint installing hole 53 being provided with, for connecting the joint of power source；In hollow gyroaxis 48
Top, be provided with the installing hole being connected with gas channel 50, after the installing hole erection joint, can directly with hydraulic cylinder and stingy
Cylinder UNICOM, power sustainable supply during by continuous rotary can be ensured with oil and valve actuating mechanism.
Claims (8)
1. a kind of weld jig of heavy axle stiffening ring, it is characterised in that：Press from both sides comprising workpiece internal ring detent mechanism, two ends centering
Tight mechanism（5）, stiffening ring hold-down mechanism and fixture deflection welding mechanism；
Workpiece internal ring detent mechanism, comprising power chuck（28）, connecting plate（27）, rotary disk（15）, cylinder rod（24）, bearing connect
Connection mechanism（25）, lengthen connecting rod（26）, master jaw（29）And claw（7）；Power chuck（28）By connecting plate（27）It is fixed
In rotary disk（15）On, power chuck（28）With rotary disk（15）Coaxial arranged concentric, power chuck（28）It is provided with multiple cards
Pawl seat（29）, arrange along power chuck circumference equidistant intervals, master jaw（29）It is provided with claw（7）；Cylinder rod（24）Pass through
Bearing bindiny mechanism（25）With lengthening connecting rod（26）With power chuck（28）On master jaw（29）Connection；
Two ends centering clamp system（5）, comprising tooth bar one（21）, support one, roller one（18）, gear（22）, tooth bar two（23）、
Support two, roller two（19）With little cylinder（20）；Tooth bar one（21）One end is by support one and roller one（18）Connection, tooth bar one
（21）The other end and gear（22）Side engagement, while gear（22）Opposite side and tooth bar two（23）One end is engaged, tooth bar
Two（23）The other end is by support two and roller two（19）Connection, little cylinder（20）With tooth bar one（21）Connection；The two ends pair
Middle clamp system is symmetrical arranged two sets, often covers two ends centering clamp system（5）It is arranged on hand adjustment slide（6）On, hand adjustment slide（6）
By link（4）It is arranged on rotary disk（15）On, hand adjustment slide（6）It is provided with handwheel（8）；
Stiffening ring hold-down mechanism, comprising rebound（32）, power chuck（28）, support（31）, connection ring（36）, hinged seat
（34）, hinge bar（35）, hydraulic cylinder（33）, floating junction（37）And pressure head（30）；Rebound（32）It is fixed on power chuck
（28）Above, support（31）For multiple, arrange along power chuck circumference equidistant intervals, pedestal lower end is fixed by rebound
（32）On, pedestal upper end and connection ring（36）Connection, supports connection ring（36）, in connection ring, arrange multiple along power chuck circumference
The hinged seat of equidistant intervals arrangement（34）, hinged seat（34）It is provided with hinge bar（35）, hinge bar（35）End is provided with pressure head
（30）, hydraulic cylinder（33）By floating junction（37）With hinge bar（35）Connection；
Fixture deflection welding mechanism, comprising rotary disk（15）, hollow drive shaft（48）, power axle box（52）, displacement axle, outside axle
Motor one（38）, precision speed reduction device one（39）, displacement axle box（40）, outside spindle motor two（41）, precision speed reduction device two（42）, disappear
Gap gear train（44）, gear wheel（46）, yielding coupling one（45）With yielding coupling two（47）；Rotary disk（15）Below with sky
Heart drive shaft（48）It is fixedly connected, hollow drive shaft（48）For line shaft, power axle box is arranged on（52）It is interior；Displacement axle is arranged on
Displacement axle box（40）It is interior, outside spindle motor one（38）By precision speed reduction device one（39）With displacement axle box（40）Interior displacement axle connects
Connect, displacement axle matching connection power axle box（52）, power axle box（52）With rotary disk（15）And hollow drive shaft（48）It is integrated
Structure；Outside spindle motor two（41）By precision speed reduction device two（42）With clearance elimination gear group（44）Connection, clearance elimination gear group（44）
With hollow drive shaft（48）Connection.
2. the weld jig of a kind of heavy axle stiffening ring according to claim 1, it is characterised in that：The clearance elimination gear
Group（44）Based on drive, with precision speed reduction device two（42）By yielding coupling one（45）Connection, gear wheel（46）For driven tooth
Wheel, with hollow drive shaft（48）By yielding coupling two（47）Connection；Clearance elimination gear group adopts double-layer gear form；Precision subtracts
Fast device two（42）It is provided with adjustment bolt（43）.
3. the weld jig of a kind of heavy axle stiffening ring according to claim 1 and 2, it is characterised in that：The displacement
Axle box（40）, side passes through terminal pad one（11）With precision speed reduction device one（39）Connection, displacement axle box opposite side pass through terminal pad
Two（12）With Auxiliary support（10）Connection, conjugates axle box（40）With Auxiliary support（10）Maintain static.
4. the weld jig of a kind of heavy axle stiffening ring according to claim 1 and 2, it is characterised in that：The revolution
Disk（15）For hollow structure, with hollow drive shaft（48）End be connected, workpiece internal ring detent mechanism, two ends centering clamp system and
Stiffening ring hold-down mechanism is installed in rotary disk（15）On.
5. the weld jig of a kind of heavy axle stiffening ring according to claim 1 and 2, it is characterised in that：The workpiece
The master jaw of internal ring detent mechanism（29）And claw（7）Quantity is three, arranges along power chuck circumference equidistant intervals.
6. the weld jig of a kind of heavy axle stiffening ring according to claim 1 and 2, it is characterised in that：The reinforcement
The support of circle hold-down mechanism（31）Quantity is three, is arranged along power chuck circumference equidistant intervals；The connection ring（36）, hinge
Joint chair（34）, hinge bar（35）, pressure head（30）Six are, are arranged along power chuck circumference equidistant intervals, six uniform
Pressure head（30）It is pressed on stiffening ring simultaneously.
7. the weld jig of a kind of heavy axle stiffening ring according to claim 1 and 2, it is characterised in that：The two ends
Centering clamp system is externally provided with protective cover（49）, at the top of stiffening ring hold-down mechanism, it is provided with anti-splashing shield（14）.
8. the weld jig of a kind of heavy axle stiffening ring according to claim 1 and 2, it is characterised in that：The revolution
Four support columns are fixedly installed on disk（13）, four support columns are uniformly fixed on rotary disk（15）On.
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| CN201621079129.7U CN206047393U (en) | 2016-09-26 | 2016-09-26 | A kind of weld jig of heavy axle stiffening ring |
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| CN201621079129.7U CN206047393U (en) | 2016-09-26 | 2016-09-26 | A kind of weld jig of heavy axle stiffening ring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113245777A (en) * | 2021-05-28 | 2021-08-13 | 湖北车桥有限公司 | Flexible spot welding tool fixture for axle body |
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2016
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113245777A (en) * | 2021-05-28 | 2021-08-13 | 湖北车桥有限公司 | Flexible spot welding tool fixture for axle body |
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