CN205869668U - Accurate plug -type wire drive feed unit - Google Patents
Accurate plug -type wire drive feed unit Download PDFInfo
- Publication number
- CN205869668U CN205869668U CN201620686687.3U CN201620686687U CN205869668U CN 205869668 U CN205869668 U CN 205869668U CN 201620686687 U CN201620686687 U CN 201620686687U CN 205869668 U CN205869668 U CN 205869668U
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- cam
- steel ball
- eccentric
- chuck
- wire
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Abstract
The utility model discloses an accurate plug -type wire drive feed unit, characterized by: including a double -crankshaft, the one end of axle is connected with the motor, and epaxial have two decentered cam A of syntropy and a cam B. Cam A's eccentric radius is r1, and cam B's eccentric radius is r2, and r1 is not equal to r2, two or more three steel balls arrange around sending a chuck, just are connected with different movable connecting rod with cam A and cam B respectively, rotate when the motor, eccentric cam takes place rotatoryly, and each three steel ball send the chuck back -and -forth movement of and eccentric synchronization low -down in different movable connecting rod's support respectively. The utility model discloses it is rational in infrastructure, have low cost, high reliability.
Description
Technical field
This utility model relates to a kind of plug-type wire feeder.
Background technology
Gas shielded arc welding (abbreviation gas shield welding) has production efficiency height, low cost, low power consumption and other advantages, in production practices
It is widely used.Meanwhile, gas shield welding there is also the shortcomings such as spatter instability, appearance of weld deviation.In order to reduce gas shield welding
Spatter loss coefficient, improve weldquality, it is necessary to allow the gas shield welding droplet transfer become regular.Realizing the maximally effective approach of this point is
Change traditional continuous wire feeding mode of constant speed, i.e. use push-pull wire feeding.
Push-pull wire feeding refers to that the droplet transfer in gas shield welding changes in the case of wire feed step pitch and push-and-pull frequency are suitable
Scrambling during speed wire feed and become " step one molten drop ", feeding all causes first short circuit transition i.e. every time, the frequency of transition
Frequency equal to push-pull wire feeding.Owing to the critical short-circuit condition (like short-circuit non-shorting state) of moment is in mechanical pull-back forces effect
Under so that electric arc forms stable molten drop, and has been transitioned into regularly in molten bath, has reached entirely without the welding effect splashed
Really.(displacement of advance is more than the displacement of rollback to use plug-type wire feeding mode, i.e. " advance rollback advance rollback "
Amount), the most abroad realize only with high performance servo motor (altofrequency rotates and reverse alternate run).Use servomotor
This mode price realized is high, it is difficult to realizes market and extensively applies.
Possessing the push-pull wire feeding device of welding wire " advance rollback advance rollback " function, its core component is a kind of three
Steel ball wire feed chuck (shown in Fig. 1).This chuck is mainly led by cylinder sleeve pipe 1, tapered sleeve 2, spring 3, steel ball retainer 4, welding wire
Fiber tube 5, steel ball 6 are constituted.The basic feature of this chuck: chuck maintains static, when welding wire moves forward, three steel balls are pushed away
Open.Due to the effect of spring, it is not totally released between welding wire and three steel balls, but there is suitable slip (or rolling) and rub
Wiping power；When welding wire is moved rearwards by, three steel balls step up welding wire automatically, produce huge stiction, chuck possess " welding wire from
Lock " function.
For realizing push-pull wire feeding function, the cost of mechanical type push-pull wire feeding device is used to be far smaller than employing high performance servo
The cost of motor.Especially industrial robot welding market, welding market, the welding wire that possesses being badly in need of a kind of low cost " advances back
Move back advance rollback " the accurate plug-type wire feeder of function.
Summary of the invention
The purpose of this utility model is to provide a kind of rational in infrastructure, low cost, high reliability possess " one send one time "
The accurate plug-type wire feeder of function.
Technical solution of the present utility model is:
A kind of accurate plug-type wire feeder, is characterized in that: include a double-crankshaft, one end of axle is connected with motor, axle
On have two cam A eccentric in the same direction and cam B.The eccentric arm of cam A is r1, the eccentric arm of cam B is r2, r1≠r2,
Arrange before and after two or more three steel ball wire feed chucks and connect with different movable rods from cam A and cam B respectively；Work as electricity
Machine rotates, and eccentric cam rotates, and each three steel ball wire feed chucks are made same with bias respectively under the support of different movable rods
Move before and after step；
Described three steel ball wire feed chucks include cylinder sleeve pipe, arrange ball retainer, before ball retainer in cylinder sleeve pipe
End fills three steel ball mechanisms, and ball retainer arranges back-moving spring, arranges and three inside cylinder sleeve pipe, outside three steel ball mechanisms
Steel ball mechanism contacts, steel ball carrying out spacing tapered sleeve, and the internal diameter small end of tapered sleeve is positioned at rear side, the big end of tapered sleeve is positioned at front side；
Ball retainer arranges welding wire wire leading pipe.
The eccentric arm of the eccentric arm ＞ cam B of cam A.
This utility model is rational in infrastructure, has low cost, high reliability；Welding wire can be realized make " before advance rollback
Enter rollback " push-and-pull campaign.The regularity of push-pull wire feeding makes the gas shield welding droplet transfer become regular.At welding wire " rollback "
During, electric arc moment quickly pulls back, and again pulls open arc length, makes end of welding capitiform become molten drop, and then welding wire is quickly " advance ", will
Molten drop is forced to be pressed into molten bath and complete short circuiting transfer, this enforceable short circuiting transfer mode can efficiently against spot pressure,
Help molten drop to enter molten bath smoothly, therefore splash and be substantially reduced, reach almost without the state splashed.Controlled owing to splashing,
Just can properly increase arc voltage, such appearance of weld also be improved significantly.Meanwhile, reduce splashing and decrease welding gun spray
The probability of mouth blocking, greatly reduces the workload of welding work, improves welding efficiency, meet robot especially and precisely weld
The requirement connect.
Accompanying drawing explanation
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of three steel ball wire feed chucks.
Fig. 2 is the A-A view of Fig. 1.
Fig. 3 is the structural representation of one embodiment of this utility model.
Fig. 4 is the different operating view of this utility model embodiment.
Detailed description of the invention
A kind of accurate plug-type wire feeder, including a double-crankshaft 7, one end of axle is connected with motor 8, and axle has two
Cam A eccentric in the same direction and cam B.The eccentric arm of cam A is r1, the eccentric arm of cam B is r2, r1≠r2, two or many
Arrange before and after individual three steel ball wire feed chucks and connect with different movable rods 9,10 from cam A and cam B respectively；Movable rod
Quantity unrestricted.Working as electric machine rotation, eccentric cam rotates, and each three steel ball wire feed chucks are respectively at different movable rods
Support under make with eccentric Tong Bus before and after move, the distance moved forward and backward is equal to the twice of eccentric arm；
Described three steel ball wire feed chucks include cylinder sleeve pipe 1, arrange ball retainer 4, ball retainer in cylinder sleeve pipe
Front end fills three steel ball mechanisms, and ball retainer arranges back-moving spring 3, arranges inside cylinder sleeve pipe, outside three steel ball mechanisms
With three steel ball mechanism contacts, steel ball 6 is carried out spacing tapered sleeve 2, and the internal diameter small end of tapered sleeve be positioned at rear side, the big end of tapered sleeve is positioned at
Front side；Ball retainer arranges welding wire wire leading pipe 4.
As a example by chuck C, the speed moved forward when chuck is more than the speed that welding wire moves forward, and three steel balls add automatically
Tight welding wire, produces huge stiction, and chuck possesses " welding wire self-locking " function, then welding wire displacement forward is equal to chuck
Displacement forward；The speed that the speed moved forward when chuck moves forward less than welding wire, three steel balls be open and
Welding wire surface slides or rolling movement, and chuck does sliding motion on welding wire 11, then welding wire displacement forward depends on
Speed that welding wire moves forward and time.
By chuck C(that is the 2nd 3 steel ball wire feed chuck) as a example by, the speed being moved rearwards by when chuck is moved back by more than welding wire
Dynamic speed, three steel balls are open.Due to the effect of spring, it is not totally released between welding wire and three steel balls, but tool
Having suitable slip (or rolling) frictional force, welding wire surface slides or rolling movement；Chuck does sliding motion on welding wire, that
Welding wire displacement backward depends on speed and the time that welding wire is moved rearwards by；The speed being moved rearwards by when chuck is less than welding wire
The speed being moved rearwards by, three steel balls automatically step up welding wire, produce huge stiction, and chuck possesses " welding wire self-locking " merit
Can, then welding wire displacement backward is equal to chuck displacement backward.
Fig. 3, Fig. 4 also have jaw guide 12, makes each three steel ball wire feed chucks move along the rail.
Implementation process of the present utility model, is mutually changed gained by the state of Fig. 3 and Fig. 4.
Assume r1＞ r2:
Double-crankshaft revolves the turnback state (forward travel) to Fig. 4 from the state of Fig. 3, and cam A drives chuck D(that is first
Three steel ball wire feed chucks) move forward 2 r1Displacement, cam B drive chuck C move forward 2 r2Displacement.Due to r1
＞ r2, so the speed that the speed that chuck D moves forward moves forward more than chuck C, three steel balls of chuck D step up weldering automatically
Silk, produces huge stiction, and chuck D possesses " welding wire self-locking " function, and the speed that welding wire moves forward is equal to chuck D forward
The speed of movement, and displacement 2 r that the displacement that moves forward of welding wire moves forward equal to chuck D1.Due to chuck C to
The speed that front translational speed moves forward less than welding wire, three steel balls are open and slide at welding wire surface or roll fortune
Dynamic, chuck C does sliding motion on welding wire.
Double-crankshaft revolves the turnback state (setback) to Fig. 3 from the state of Fig. 4, and cam A drives chuck D to be moved back by
Dynamic 2 r1Displacement, cam B drive chuck C be moved rearwards by 2 r2Displacement.Due to r1＞ r2, so chuck D is moved rearwards by
The speed that is moved rearwards by more than chuck C of speed, three steel balls of chuck C step up welding wire automatically, produce stiction, chuck C
Possessing " welding wire self-locking " function, the speed that welding wire is moved rearwards by is equal to the speed that chuck C is moved rearwards by, and welding wire is moved rearwards by
Displacement 2 r that is moved rearwards by equal to chuck C of displacement2.Owing to chuck D is moved rearwards by what speed was moved rearwards by more than welding wire
Speed, three steel balls are open and slide or rolling movement at welding wire surface, and chuck D does sliding motion on welding wire.
In sum, from the state of the state of Fig. 3 to Fig. 4, driven by motor double-crankshaft rotation turnback, welding wire moves forward
Displacement 2 r that moves forward equal to chuck D of displacement1；From the state of the state of Fig. 4 to Fig. 3, driven by motor double-crankshaft is again
Rotation turnback, displacement 2 r that the displacement that welding wire is moved rearwards by is moved rearwards by equal to chuck C2.In motor rotates a circle
(360 degree), welding wire has advanced 2 r1, then rollback 2 r2, it is achieved that " one send one time " plug-type wire feed function.
Claims (2)
1. an accurate plug-type wire feeder, is characterized in that: including a double-crankshaft, one end of axle is connected with motor, on axle
Having two cam A eccentric in the same direction and cam B, the eccentric arm of cam A is r1, the eccentric arm of cam B is r2, r1≠r2, two
Arrange before and after individual or multiple three steel ball wire feed chucks and connect with different movable rods from cam A and cam B respectively；Work as motor
Rotating, eccentric cam rotates, and each three steel ball wire feed chucks are made Tong Bu with bias respectively under the support of different movable rods
Before and after move；
Described three steel ball wire feed chucks include cylinder sleeve pipe, arrange ball retainer in cylinder sleeve pipe, and ball retainer front end fills
Three steel ball mechanisms, ball retainer arranges back-moving spring, arranges and three steel balls inside cylinder sleeve pipe, outside three steel ball mechanisms
Mechanism contacts, steel ball carrying out spacing tapered sleeve, and the internal diameter small end of tapered sleeve is positioned at rear side, the big end of tapered sleeve is positioned at front side；Steel ball
Retainer arranges welding wire wire leading pipe.
Accurate plug-type wire feeder the most according to claim 1, is characterized in that: the eccentric arm ＞ cam B's of cam A
Eccentric arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620686687.3U CN205869668U (en) | 2016-07-04 | 2016-07-04 | Accurate plug -type wire drive feed unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620686687.3U CN205869668U (en) | 2016-07-04 | 2016-07-04 | Accurate plug -type wire drive feed unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205869668U true CN205869668U (en) | 2017-01-11 |
Family
ID=57694305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620686687.3U Withdrawn - After Issue CN205869668U (en) | 2016-07-04 | 2016-07-04 | Accurate plug -type wire drive feed unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205869668U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105945400A (en) * | 2016-07-04 | 2016-09-21 | 南通振康焊接机电有限公司 | Precise push-pull wire-feeding device |
| CN110134440A (en) * | 2019-05-15 | 2019-08-16 | 李国宾 | A kind of general purpose microprocessor and its signal processing method |
-
2016
- 2016-07-04 CN CN201620686687.3U patent/CN205869668U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105945400A (en) * | 2016-07-04 | 2016-09-21 | 南通振康焊接机电有限公司 | Precise push-pull wire-feeding device |
| CN105945400B (en) * | 2016-07-04 | 2018-06-05 | 南通振康焊接机电有限公司 | Accurate plug-type wire feeder |
| CN110134440A (en) * | 2019-05-15 | 2019-08-16 | 李国宾 | A kind of general purpose microprocessor and its signal processing method |
| CN110134440B (en) * | 2019-05-15 | 2023-09-12 | 宜宾卓邦科技有限公司 | Welding wire stabilizing device for welding installation of microprocessor chip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170111 Effective date of abandoning: 20180605 |