The mechanism of end turn automatic welding on stator
Technical field
The present invention relates to stator coil end welding technology field, particularly relate to one end turn on stator automatic
The mechanism of welding.
Background technology
The stator of three phase alternating current motor is by stator core and the three-phase windings coil structure being inlaid in this stator core slot wedge
Become.And after coil is fitted on slot wedge, it is scattered for some coil exposing stator end.And put at stator
Will be welded as a whole before use one soldering tip of formation by the wire harness of exposed portion on each coil, and this soldering tip must be correspondence
Every single line on coil all includes;Because, if the soldering tip solder skip single line on a coil, and do not have on other coils
There is solder skip phenomenon, then will result in the unbalanced phenomenon of three-phase electricity, i.e. three phase alternating current motor and can not realize normally working, from
And cause motor defective.In prior art, for the welding of end turn by manually welding, operator are hand-held
Wire harness, and wire harness is placed on below welding machine, carry out reciprocal rotational line bundle by hands, thus end turn is welded into a weldering
Head.And this welding method easily causes the phenomenon of solder skip, and operator in long-term welding process, labor intensity is the most very
High.
Summary of the invention
The technical problem to be solved in the present invention is, overcomes existing technological deficiency, it is provided that one can be avoided wire harness
The mechanism of end turn automatic welding on stator that solder skip and labor intensity of operating staff are reduced.
The technical solution of the present invention is to provide a kind of end turn automatic welding on stator with following structure
The mechanism connect: include workbench, workbench slidably connects platform in the horizontal direction, and platform is rolled by roller and is connected to work
In station, platform lower surface is extended with flat board, and workbench is rotatably connected to cam, and cam gabarit pushes against with flat board sidewall, and
Workbench is provided with the second motor for driving cam rotation, and workbench is provided with lead in the horizontal direction, and platform is provided with
The through hole passed for lead, lead is socketed with extension spring, and extension spring one end is connected with workbench, and the other end is connected with platform;
Platform one end is provided with the starting stave for placing stator, and the platform other end is provided with the second riser, on platform from starting stave to
Second riser is sequentially provided with the support bar and rotating disk passed for end turn on stator, and post upper is provided with the recessed of circular arc
Groove, starting stave is provided with the second cylinder, and the second cylinder outfan connects the pushing block for being pushed against on groove by coil,
Strut upper end is provided with for pushing block grafting or the first breach of disengagement;Rotating disk is provided with the circular hole passed for coil, and rotating disk is at thickness
Direction slidably connects the latch for being pressed on circular-hole internal-wall by coil, and rotating disk is radially provided with the side slided for latch
Hole, latch lower end is the claw of circular arc, and the first plane of claw both sides and the second plane are fitted on square hole two side respectively,
Being socketed with stage clip on latch, square hole opening part is provided with the cover plate for being locked in square hole by stage clip;Erect towards second on rotating disk
Plate side is provided with annular protrusion, annular protrusion axis and rotating disk dead in line, and annular protrusion internal perisporium is provided with internal gear, annular
Protruding periphery wall is provided with external gear, and the second riser is provided with the support means for supporting wheel, and the second riser is provided with use
In the power set driving rotating disk to rotate;Second riser be provided with for the pressure that pushes against towards the sidewall of starting stave on rotating disk
Bar, workbench is provided with for being pointed to the welding machine that the coil in region between support bar with rotating disk carries out welding.
End turn on stator of the present invention is coordinated by support bar and the second cylinder with fixed coil, and coil free end
Through the circular hole on rotating disk, and coil free end is clamped on circular hole internal perisporium by latch;Under the work of power set, turn
Dish has enough to meet the need relative to support bar, i.e. coil free end rotates relative to stator, such that it is able to twisted into by end turn
Flos Cannabis structure, so, it is possible to every line on coil is included in Flos Cannabis structure and suffers;Followed by the second motor belt motor
To drive, flat board is intermittent to be moved to the left in moving cam rotation, and extension spring can pull platform to move right, and then drives flat
Platform left and right on the table rolls, and the end turn on platform moves as reciprocating linear relative to welding machine then, the most permissible
The end turn being pointed between support bar and rotating disk by welding machine is welded as a soldering tip with certain length, this soldering tip bag
Contain the every single line on a coil;After a coil has welded, the second air cylinder driven pushing block disengages with groove, operation
One hands of personnel can drive latch to rise to order about latch bottom and the disengaging of coil free end, thus facilitates cutting of coil
Change;May insure that platform moves back and forth accurately relative to workbench by the setting of guider, and then ensure that coil exists
When moving back and forth always situated in welding machine immediately below, and coil can be clamped in support bar by the cooperation of pushing block and the first breach
On groove in, and by groove the motion of pushing block provided and guides;Can be by coil clamp by the claw of latch bottom
Tight on circular hole internal perisporium, and, the first plane and the second plane can provide guiding to the motion of latch with coordinating of square hole,
Prevent latch from occurring when radially sliding along rotating disk sliding inclined;The setting of stage clip may insure that end turn is owing to twisting into volume after Flos Cannabis
The latch that diminishes persistently clamps coil free end, i.e. latch and claw can be promoted under the elastic force effect of stage clip to clamp coil further
Free end, so that it is guaranteed that coil free end is clamped in the circular hole of rotating disk all the time;By support means so that rotating disk is protected
The axis holding vertical state, i.e. rotating disk presents level;And joined with annular protrusion with power set by support means simultaneously
Conjunction can improve the accuracy of rotating disk transmission, and the setting of depression bar may further ensure that rotating disk keeps vertical state, and, pressure
Bar is also prevented from rotating disk and departs from from support means;It addition, guarantee that platform is along guiding by lead with coordinating of through hole
Sliding in mast axis direction, prevents platform from sliding inclined phenomenon occurring;In sum, the present invention can complete to twist end turn
Tightly, weld to prevent weldering leakage phenomenon, and operator have only to coil carry out clamped one time to be pressed from both sides by coil free end
Tightly and once dismantle to release the constraint of latch lower end claw on coil free end on circular-hole internal-wall, greatly reduce behaviour
Make the labor intensity of personnel.Therefore, the present invention provides one can avoid occurring wire harness solder skip and labor intensity of operating staff to obtain
To the mechanism of end turn automatic welding on stator reduced.
Preferred as one, described latch is positioned at the outside one end of rotating disk and is provided with draw ring.Preferred by this, can facilitate
Operator's hand-held latch upper end.
Preferred as one, described rotating disk is provided with second breach movable for claw both ends, and the second breach is positioned at
Immediately below claw.It is preferred by this, it can be ensured that coil free end is gathered on the internal perisporium of circular hole by the inner concave on claw,
This be due to claw both ends decline during can be embedded in the second breach of circular hole both sides, thus coil free end by
Gradually draw close to centre, i.e. coil becomes more and more intensive.
Preferred as one, described support means refers to, the second riser is provided with three first rotating shafts in the horizontal direction,
Being equipped with the first gear for engaging with internal gear in three first rotating shafts, three first rotating shafts disk axis that rotates uniformly divides
Cloth.Preferred by this, by three the first gears, carousel supports can be got up well, and rotating disk can be relative to first
Gear rotates, say, that both can complete the support to rotating disk by the first rotating shaft with coordinating of the first gear, again may be used
To allow rotating disk to have enough to meet the need.
Preferred as one, described power set refer to, the second riser is rotatably connected to the second rotating shaft, the second rotating shaft
Run through the second riser sidewall, and the second shaft axis is parallel with rotating disk axis;In second rotating shaft near rotating disk one end be provided with for
With the second gear of external gear engaged transmission, the second rotating shaft is provided with on the 3rd gear, and the second riser away from rotating disk one end and sets
There is the first motor for driving the 3rd pinion rotation.Preferred by this, rotating disk can be driven to have enough to meet the need, and then make clamping
Coil free end in rotating disk rotates relative to the coil near stator one end, thus end turn is twisted into Flos Cannabis
Shape.
Preferred as one, described depression bar be the cross section in bending-like, and depression bar towards rotating disk one end be semicircle.Logical
Cross this preferred, can well rotating disk be pressed on the first gear, prevent rotating disk de-from the first gear when rotation process
Open;It addition, semicircular depression bar end can reduce frictional force when depression bar end rotates relative to rotating disk end.
Preferred as one, the second described cylinder is vertically arranged.Preferred by this, it can be ensured that the second cylinder
On pushing block be connected in the groove of post upper, thus coil is clamped in the groove on support bar.
Accompanying drawing explanation
Fig. 1 is the structural representation of platform in the present invention.
Fig. 2 is the partial sectional view of the present invention.
Fig. 3 is the structural representation of turntable of the present invention.
Fig. 4 is the structural representation of another angle of turntable of the present invention.
Fig. 5 is the sectional view of turntable of the present invention.
Fig. 6 be on rotating disk of the present invention latch and the second breach clamping coil to be pressed on the section view on circular hole internal perisporium
Figure.
Fig. 7 is the structural representation of latch, claw and draw ring.
Fig. 8 is the side view of rotating disk.
Fig. 9 is the structural representation of the second cylinder and support bar.
Shown in figure: 1, workbench, 2, platform, 3, starting stave, the 4, second riser, 5, stator, 6, coil, 7, support
Bar, 8, groove, the 9, second cylinder, 10, pushing block, the 11, first breach, 12, rotating disk, 13, circular hole, 14, latch, 15, square hole, 16,
Claw, 17, cover plate, the 18, first plane, the 19, second plane, 20, annular protrusion, 21, internal gear, 22, external gear, 23, depression bar,
24, welding machine, 25, draw ring, the 26, second breach, the 27, first rotating shaft, the 28, first gear, the 29, second rotating shaft, the 30, second gear,
31, the 3rd gear, 32, stage clip, the 33, first motor, 34, lead, 35, through hole, 36, roller, 37, cam, 38, flat board, 39,
Second motor, 40, extension spring.
Detailed description of the invention
The invention will be further described with detailed description of the invention below in conjunction with the accompanying drawings.
The operation principle of the present invention:
First, being placed on platform by stator, the hand-held draw ring of operator drives the claw on latch to take off with circular-hole internal-wall
From, then taking on stator the circular hole on groove that an overhang sequentially passes through on support bar, rotating disk, operator unclamp and draw
Ring, latch slides towards rotating disk axis direction under the elastic force effect of stage clip, i.e. claw snaps fit onto on circular hole internal perisporium, thus completes
Clamping to coil free end;And then, the second cylinder operation is to be clamped in coil in the groove on support bar;
Then, first motor task driven the second axis of rotation, the second rotating shaft drives external gear to rotate by the second gear
Disk axis rotates, say, that rotating disk there occurs rotation relative to support bar, and i.e. the coil of right part is relative to the line of left part
Circle rotates, and end turn thus can twist into twisted shape, and then every line on coil is included in this twisted shape
In, prevent wired disengaging from wire harness in follow-up welding process;
Then, welding machine works, and the turnover of the second driven by motor cam, and cam gabarit can promote flat board to be moved to the left, from
And platform can be rolled the most to the left by roller, and extension spring can pull platform to scroll right so that flat board begins
It is pushed against eventually in cam gabarit;It is to say, the elastic force that the motion angle for actuating travel on cam can overcome extension spring drives platform to the left
Roll, and when drawback movement angular zone contacts with flat board on cam, extension spring can pull platform to reset to the right, thus realize platform
Left and right move back and forth, and platform is in reciprocating movement each time, and welding machine all can be pointed between support bar and rotating disk
Twisted shape end turn welds, thus end turn is welded into the soldering tip with certain length, and this soldering tip length value is just
The stroke value moved back and forth each time equal to platform;
Finally, an end turn be welded into soldering tip good after, operator pull extension spring so that in claw and circular hole
Wall departs from, and the second air cylinder driven pushing block departs from left end coil, can pull out the most welded end turn completed, and by next
Individual end turn sequentially passes through the circular hole on groove, rotating disk, waits and welding next time.
Present invention mechanism of end turn automatic welding on stator includes workbench 1, on workbench 1 in the horizontal direction
Slidably connecting platform 2, platform 2 is rolled by roller 36 and is connected on workbench 1, and platform 2 lower surface is extended with flat board 38, work
Being rotatably connected to cam 37 in station 1, cam 37 gabarit pushes against with flat board 38 sidewall, and workbench 1 is provided with for driving convex
Second motor 39 of wheel 37 rotation, workbench 1 is provided with lead 34 in the horizontal direction, and platform 2 is provided with and passes for lead 34
Through hole 35, lead 34 is socketed with extension spring 40, extension spring 40 one end is connected with workbench 1, and the other end is connected with platform 2;Flat
Platform 2 one end is provided with the starting stave 3 for placing stator 5, and platform 2 other end is provided with the second riser 4, and platform 2 erects from first
Plate the 3 to the second riser 4 is sequentially provided with the support bar 7 and rotating disk 12 passed for coil 6 end on stator 5, and support bar 7 upper end is provided with
The groove 8 of circular arc, starting stave 3 is provided with the second cylinder 9, and the second cylinder 9 outfan connects to be had for being pushed against by coil 6
Pushing block 10 on groove 8, support bar 7 upper end is provided with for pushing block 10 grafting or the first breach 11 of disengagement;Rotating disk 12 is provided with confession
The circular hole 13 that coil 6 passes, rotating disk 12 slidably connects for inserting of being pressed on by coil 6 on circular hole 13 inwall at thickness direction
Pin 14, rotating disk 12 is radially provided with the square hole 15 slided for latch 14, and latch 14 lower end is the claw 16 of circular arc, claw 16 liang
First plane 18 of side and the second plane 19 are fitted on square hole 15 two side respectively, and latch 14 is socketed with stage clip 32, square hole
15 opening parts are provided with the cover plate 17 for being locked in square hole 15 by stage clip 32;It is provided with towards the second riser 4 side on rotating disk 12
Annular protrusion 20, annular protrusion 20 axis and rotating disk 12 dead in line, annular protrusion 20 internal perisporium is provided with internal gear 21, annular
Protruding 20 periphery walls are provided with external gear 22, and the second riser 4 is provided with the support means for supporting wheel 12, the second riser 4
It is provided with the power set for driving rotating disk 12 to rotate;Second riser 4 be provided with for rotating disk 12 on towards starting stave 3
The depression bar 23 that pushes against of sidewall, workbench 1 is provided with and carries out for the coil 6 being pointed to region between support bar 7 and rotating disk 12
The welding machine 24 of welding.Wherein, lead 34 can have multiple with the quantity of through hole 35, can be by lead 34 and through hole 35
Coordinate and platform 2 is supported and guides.
Described roller 36 is rotatably connected on platform 2 lower end, so that platform 2 can be smoothly past on workbench 1
Multiple rolling.
It is positioned at the outside one end of rotating disk 12 on described latch 14 and is provided with draw ring 25.
Described rotating disk 12 is provided with second breach 26 movable for claw 16 both ends, and the second breach 26 is positioned at claw 16
Underface.
Described support means refers to, the second riser 4 is provided with three first rotating shafts 27 in the horizontal direction, three first turn
Being equipped with the first gear 28 for engaging with internal gear 21 on axle 27, three first rotating shafts 27 uniformly divide around rotating disk 12 axis
Cloth.
Described power set refer to, the second riser 4 is rotatably connected to the second rotating shaft 29, and the second rotating shaft 29 runs through second
Riser 4 sidewall, and the second rotating shaft 29 axis is parallel with rotating disk 12 axis;In second rotating shaft 29 near rotating disk 12 one end be provided with for
With the second gear 30 of external gear 22 engaged transmission, the second rotating shaft 29 is provided with the 3rd gear 31, and away from rotating disk 12 one end
Two risers 4 are provided with the first motor 33 for driving the 3rd gear 31 to rotate.
Described depression bar 23 be the cross section in bending-like, and depression bar 23 towards rotating disk 12 one end be semicircle.
The second described cylinder 9 is vertically arranged.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit protection scope of the present invention.All at this
Within bright claim, any amendment, equivalent and the improvement etc. made, should be included in protection scope of the present invention it
In.