CN104002022A - Welding stick supply mechanism, welding stick feed device and arc system - Google Patents
Welding stick supply mechanism, welding stick feed device and arc system Download PDFInfo
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- CN104002022A CN104002022A CN201410060039.2A CN201410060039A CN104002022A CN 104002022 A CN104002022 A CN 104002022A CN 201410060039 A CN201410060039 A CN 201410060039A CN 104002022 A CN104002022 A CN 104002022A
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- welding wire
- rotary body
- wire feed
- feed mechanism
- power
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- 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
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/124—Circuits or methods for feeding welding wire
- B23K9/125—Feeding of electrodes
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/133—Means for feeding electrodes, e.g. drums, rolls, motors
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- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Wire Processing (AREA)
- Unwinding Of Filamentary Materials (AREA)
Abstract
The invention provides a welding stick supply mechanism which can reduce radial load suffered by a feed device, comprising a feed member (53) of a feed roller (535) rotating in a first direction; a pressure member (54) of a pressure roller (545) rotating in the first direction; and a load reduction member (55) of a load reduction rotary member (555) rotating in the first direction. The feed member (53) comprises a rotary shaft of the feed roller (535) extending in the first direction; the pressure roller (545) applies force (F1) in a second direction (X2) perpendicular to the first direction under the condition that a welding stick (891) is clamped between the pressure roller and the feed roller (535), thereby reducing the force (F2) to the feed member (53) in a third direction (X3) by the load reduction rotary member (555).
Description
Technical field
The present invention relates to welding wire feed mechanism, wire feed unit and Arc System.
Background technology
In patent documentation 1, disclose welding wire feed arrangement.The disclosed welding wire feed arrangement of the document possesses roller and backer roll for feeding.Between feeding is with roller and backer roll, sandwich under the state of welding wire, feeding is rotated with roller and backer roll.Thus, the direction feeding to expectation by welding wire.
Technical literature formerly
Patent documentation
Patent documentation 1: Japanese kokai publication sho 57-121880 communique
The problem that invention will solve
In the disclosed structure of the document, in order to sandwich welding wire, from backer roll, to feeding, with roller, apply power.Thus, feeding member (feeding is the rotating shaft with roller with roller and feeding) is subject to radial load.In this case, for feeding, the rotating shaft of roller, the bearing that this rotating shaft is kept easily produce wearing and tearing, cause the lifetime of rotating shaft, bearing.
Summary of the invention
The situation of the present invention based on above-mentioned made, and its major subjects is to provide the welding wire feed mechanism that can reduce the radial load that feeding member is subject to.
For solving the scheme of problem
According to the first scheme of the present invention, a kind of welding wire feed mechanism is provided, it possesses: the feeding member that comprises the feed rolls rotating around first direction; Comprise around the rotation of described first direction by the pressing member of pressure roller; Comprise the reduction load member around the reduction load rotary body of described first direction rotation, described feeding member comprises the rotating shaft of the described feed rolls extending along described first direction, described by pressure roller its with described feed rolls between clip under the state of welding wire described feed rolls applied to the power towards the second direction vertical with described first direction, described reduction load rotary body applies the power towards the third direction contrary with described second direction to described feeding member.
Preferably, described reduction load rotary body and described feed rolls directly join.
Preferably, described pressing member comprises the roller support unit supporting by pressure roller described, described reduction load member comprises the rotary body support unit that described reduction load rotary body is supported, this welding wire feed mechanism possesses the power imparting mechanism linking with described roller support unit and described rotary body support unit, described power imparting mechanism applies the power of prescribed level with respect to described roller support unit towards described second direction, and towards described third direction, applies the power of described prescribed level with respect to described rotary body support unit.
Preferably, described power imparting mechanism is disposed at the position of avoiding described welding wire to carry out the welding wire feeding path of feeding.
Preferably, clipping under the state of described welding wire, the size of the power towards described third direction that the size of the described power towards described second direction described feed rolls being applied by pressure roller and described reduction load member apply described feed rolls is mutually the same.
Preferably, described reduction load rotary body is by the roller of the diameter of pressure roller described in diameter is less than.
Preferably, described reduction load member comprises the reduction load rotary body appending around described first direction rotation, described reduction load rotary body and described in the reduction load rotary body that appends with respect to imaginary plane, be positioned at each other opposition side, described imaginary plane comprises the rotation centerline of described feed rolls, and parallel with described first direction and described second direction.
Preferably, this welding wire feed mechanism also possesses the supporting member that described feeding member, described pressing member and described reduction load member are supported.
Preferably, this welding wire feed mechanism also possesses the driving mechanism that makes described feed rolls rotation.
Preferably, described driving mechanism comprises motor, and described motor and described rotating shaft directly link.
Preferably, described driving mechanism comprises the decelerator that motor and the rotary speed that makes described motor reduce, and described decelerator and described rotating shaft directly link.
According to alternative plan of the present invention, a kind of wire feed unit is provided, it possesses the welding wire feed mechanism that the first scheme of the present invention provides and the wire reel axle of installing for the wire reel that is wound with welding wire.
According to third party's case of the present invention, a kind of Arc System is provided, it possesses the welding wire feed mechanism that the first scheme of the present invention provides and uses by described welding wire feed mechanism and supply with the robot that the welding wire that comes carries out electric arc processing.
Other features and advantages of the present invention are based on reference to accompanying drawing and the following detailed description of carrying out and become clearer and more definite.
Accompanying drawing explanation
Fig. 1 is the front view of the Arc System of the first embodiment of the present invention.
Fig. 2 is the front view of the wire feed unit of the first embodiment of the present invention.
Fig. 3 is the partial enlarged drawing of the welding wire feed mechanism shown in Fig. 2.
Fig. 4 is along the cutaway view of the IV-IV line of Fig. 3 (a part of incomplete structure).
Fig. 5 is the feed rolls that schematically shows the first embodiment of the present invention, by pressure roller and reduce the figure of the position relationship of load rotary body.
Fig. 6 means another routine cutaway view (a part of incomplete structure) of the welding wire feed mechanism of the first embodiment of the present invention.
Fig. 7 is the front view of the welding wire feed mechanism of the second embodiment of the present invention.
Fig. 8 is the front view of the welding wire feed mechanism of the 3rd embodiment of the present invention.
Fig. 9 is the feed rolls that schematically shows the 3rd embodiment of the present invention, by pressure roller, reduce load rotary body and the figure of the position relationship of the reduction load rotary body that appends.
Accompanying drawing explanatory note
1 robot
2 wire feed units
21 frameworks
23,23A, 23B welding wire feed mechanism
25 welding wire guide rails
27 wire reel axles
29 wire reels
3 welding torches
51 supporting members
52 driving mechanisms
521 motor
523 decelerators
53 feeding members
533 rotating shafts
535 feed rolls
535a roller side face
535b groove
54 pressing members
541 roller support units
541a front end
543 rotating shafts
545 press pressure roller
545a roller side face
549 axles
55 reduce load member
551 rotary body support units
553 rotating shafts
555 reduce load rotary body
555a rotary body side face
557 rotating shafts that append
The 558 reduction load rotary bodies that append
559 axles
57 power imparting mechanisms
571 handles
572 rods
573 springs
575 pins
579 intermediate members
58 rollers
59 bearings
891 welding wires
A1 Arc System
F1, F2, F21, F22, F3, F4 power
P1 welding wire feeding path
VP imaginary plane
X1 first direction
X2 second direction
X3 third direction
W mother metal
L3 rotation centerline
L4 rotation centerline
L5 rotation centerline
L51 rotation centerline
L52 rotation centerline
The specific embodiment
Below, with reference to accompanying drawing, illustrate embodiments of the present invention.
< the first embodiment >
With Fig. 1～Fig. 6, the first embodiment of the present invention is described.
Fig. 1 is the front view of the Arc System of the first embodiment of the present invention.
Arc System A1 shown in this figure possesses robot 1, wire feed unit 2 and welding torch 3.
1 couple of mother metal W of robot carries out electric arc processing.As such electric arc, process, for example, enumerate welding and spraying.In the present embodiment, 1 couple of mother metal W of robot automatically carries out arc welding.Robot 1 is for example articulated robot.
Wire feed unit 2 is for the device to welding torch 3 feeding welding wires 891.In Fig. 1, schematically show wire feed unit 2.
Fig. 2 is the front view of the wire feed unit of the first embodiment of the present invention.
Wire feed unit 2 comprises framework 21, welding wire feed mechanism 23, welding wire guide rail 25 and wire reel axle 27.Wire feed unit 2 in most cases also comprises cover, but understands for convenient, omits the diagram of cover in Fig. 2.
Framework 21 for example consists of metal.In the present embodiment, framework 21 has base plate and side plate etc.The vertical base plate of being located at of each side plate.Wire reel axle 27 is fixed on the side plate of framework 21.At wire reel axle 27, the wire reel 29 that is wound with welding wire 891 is installed.Thus, wire reel 29 is rotatably fixed on framework 21.Welding wire guide rail 25 is fixed on framework 21.The welding wire 891 of 25 pairs of feedings of welding wire guide rail guides.Particularly, on welding wire guide rail 25, be formed with for inserting logical hole for welding wire 891.Thus, welding wire guide rail 25 by the welding wire 891 coming from 23 feedings of welding wire feed mechanism suitably to the exterior guiding of wire feed unit 2.
Welding wire feed mechanism 23 be for by welding wire 891 to mother metal W(with reference to Fig. 1) mechanism that supplies with of side.In the present embodiment, welding wire feed mechanism 23 is supplied with welding wire 891 to welding torch 3.Welding wire feed mechanism 23 is fixed on framework 21.
Fig. 3 is the partial enlarged drawing of the welding wire feed mechanism shown in Fig. 2.Fig. 4 is along the cutaway view of the IV-IV line of Fig. 3 (a part of incomplete structure).
As shown in Figure 2 to 4, welding wire feed mechanism 23 comprises supporting member 51, driving mechanism 52, feeding member 53, pressing member 54, reduces load member 55, power imparting mechanism 57 and bearing 59.
Supporting member 51 for example consists of metal, for supporting driving mechanism 52, feeding member 53, pressing member 54, power imparting mechanism 57 and bearing 59.Supporting member 51 is supported on framework 21.
Feeding member 53 is to cooperate with pressing member 54 and for the member sent of direction to expectation by welding wire 891.In the present embodiment, feeding member 53 is the members around first direction X1 rotation.Feeding member 53 has rotating shaft 533 and feed rolls 535.Feeding member 53 is being supported by this supporting member 51 with respect to the mode of supporting member 51 rotations.
Rotating shaft 533 is rotating shafts of feed rolls 535.Rotating shaft 533 extends along first direction X1.Rotating shaft 533 is being supported by this supporting member 51 with respect to the mode of supporting member 51 rotations.In the present embodiment, rotating shaft 533 is supported on supporting member 51 by bearing 59.Rotating shaft 533 rotates around first direction X1.
Feed rolls 535 is fixed on rotating shaft 533.Therefore, be accompanied by rotating shaft 533 to first direction X1 rotation, feed rolls 535 rotates around first direction X1.Feed rolls 535 with by pressure roller 545(aftermentioned) bring into play in the lump the function that welding wire 891 is carried out to feeding.In the present embodiment, feed rolls 535 is in the form of annular discs.Feed rolls 535 has roller side face 535a.Roller side face 535a is towards the footpath of the axis of rotating shaft 533 direction side.At feed rolls 535, be formed with groove 535b.Groove 535b caves in from roller side face 535a.Groove 535b is in order to guide and to form welding wire 891.
Driving mechanism 52 be for make feed rolls 535(in the present embodiment for feeding member 53, be rotating shaft 533 and feed rolls 535) rotation mechanism.Driving mechanism 52 is fixed on supporting member 51.In the present embodiment, driving mechanism 52 has motor 521 and decelerator 523.Being rotated in by decelerator 523 of motor 521 makes its rotary speed reduce backward feeding member 53(rotating shaft 533 and feed rolls 535) transmit.Thus, rotating shaft 533 and feed rolls 535 rotate around first direction X1.Like this, in the present embodiment, feed rolls 535 is as driven roller performance function.The position relationship of motor 521 and decelerator 523 can be for arbitrarily.In the present embodiment, motor 521 is disposed at the upside of Fig. 4 with respect to decelerator 523.In the example shown in Fig. 4, decelerator 523 directly links with rotating shaft 533.In addition, as shown in Figure 6, driving mechanism 52 also can not have decelerator 523.In the example shown in Fig. 6, motor 521 directly links with rotating shaft 533.
Pressing member 54 be for and feed rolls 535 between clamp welding wire 891 and member that welding wire 891 is pressed to the inner surface of groove 535b.Thus, pressing member 54 is pressed feed rolls 535 across welding wire 891.Pressing member 54 has roller support unit 541, rotating shaft 543 and by pressure roller 545.
Roller support unit 541 is rotatably supported in supporting member 51.Roller support unit 541 rotates around axle 549.Rotating shaft 543 is by the rotating shaft of pressure roller 545.Rotating shaft 543 extends along first direction X1.Rotating shaft 543 is fixed on roller support unit 541.
By pressure roller 545, be rotatably supported in rotating shaft 543 and rotate around first direction X1.Fig. 5 be schematically show feed rolls 535, by pressure roller 545 and reduce load rotary body 555(aftermentioned) the figure of position relationship.By pressure roller 545 and feed rolls 535 between clamp under the state of welding wire 891 and press feed rolls 535.Particularly, by pressure roller 545 with feed rolls 535 between clamp under the state of welding wire 891 and apply the power F1 towards the second direction X2 vertical with first direction X1 with respect to feed rolls 535.Thus, feeding member 53 is subject to the radial load towards second direction X2.It should be noted that, in the present embodiment, second direction X2 is with consistent towards the direction of the rotation centerline L3 of feed rolls 535 from pressing the rotation centerline L4 of pressure roller 545.About for the mechanism's (power imparting mechanism 57) that applies power F1 by 545 pairs of feed rolls 535 of pressure roller is seen below.The direction of rotation of pressing pressure roller 545 is contrary with the direction of rotation of feed rolls 535.In the present embodiment, by pressure roller 545 as driven roller, be that the driven voller of feed rolls 535 is brought into play function.While rotating, by having frictional force by pressure roller 545 and 891 effects of 535 pairs of welding wires of feed rolls, thereby welding wire 891 is carried out to feeding under the state that is clipping welding wire 891 by pressure roller 545 and feed rolls 535.In the present embodiment, welding wire 891 is by the right feeding to Fig. 3.In Fig. 3, with double dot dash line, represent welding wire 891 to carry out welding wire feeding path P 1 and the welding wire 891 of feeding.Welding wire feeding path P 1 is from feed rolls 535 and press between pressure roller 545 right towards Fig. 3.
As shown in Figure 3, Figure 4, in the present embodiment, by pressure roller 545, be discoid.By pressure roller 545, there is roller side face 545a.Roller side face 545a is towards the footpath of the axis of rotating shaft 543 direction side.The roller side face 535a of roller side face 545a and feed rolls 535 is opposed.By pressure roller 545 and feed rolls 535, welding wire 891 is being held under the state between roller side face 545a and feed rolls 535 and is being rotated by making, thereby welding wire 891 is being carried out to feeding.
Reduction load member 55 shown in Fig. 3～Fig. 5 is members of the radial load that is subject to for reducing feeding member 53.Reducing load member 55 has rotary body support unit 551, rotating shaft 553 and reduces load rotary body 555.
Rotary body support unit 551 rotatably supports are in supporting member 51.Rotary body support unit 551 rotates around axle 559.Rotating shaft 553 is the rotating shafts that reduce load rotary body 555.Rotating shaft 553 extends along first direction X1.Rotating shaft 553 is fixed on rotary body support unit 551.
Reduce load rotary body 555 to be rotatably supported in rotating shaft 553 and rotate around first direction X1.In the present embodiment, reducing load rotary body 555 is rollers.As shown in Figure 5, reduce load rotary body 555 and apply the power F2 towards the third direction X3 contrary with second direction X2 with respect to feeding member 53.Thus, reduce the radial load that feeding member 53 is subject to.It should be noted that, in the present embodiment, third direction X3 is with consistent towards the direction of the rotation centerline L3 of feed rolls 535 from the rotation centerline L5 of reduction load rotary body 555.In the present embodiment, reducing load rotary body 555 directly joins with feed rolls 535.And, reduce load rotary body 555 and directly apply power F2 with respect to feed rolls 535.In addition, by pressure roller 545 and feed rolls 535, clipping under the state of welding wire 891, the size of the power F1 towards second direction X2 preferably applying by 545 pairs of feed rolls 535 of pressure roller and reduce load member 55(in the present embodiment for reducing load rotary body 555) size of the power F2 towards third direction X3 that feed rolls 535 is applied is mutually the same.The direction of rotation that reduces load rotary body 555 is contrary with the direction of rotation of feed rolls 535.In the present embodiment, reduce load rotary body 555 as driven roller, be that the driven voller of feed rolls 535 is brought into play function.It should be noted that, in the present embodiment, identical with the diameter of pressing pressure roller 545 as the diameter of the reduction load rotary body 555 of roller.
In the present embodiment, it is discoid reducing load rotary body 555.Reduce load rotary body 555 and there is rotary body side face 555a.Rotary body side face 555a is towards the footpath of the axis of rotating shaft 553 direction side.The roller side face 535a of rotary body side face 555a and feed rolls 535 is opposed.
Imparting mechanism 57 shown in Fig. 3, Fig. 4 is by the mechanism of pressing to feed rolls 535 by pressure roller 545.Power imparting mechanism 57 links roller support unit 541 and rotary body support unit 551.As shown in Figure 4, power imparting mechanism 57 is disposed at the position of avoiding welding wire feeding path P 1.This is in order to prevent that power imparting mechanism 57 from hindering the feeding of welding wire 891.The concrete structure of power imparting mechanism 57 can be arbitrary structures, is as described below in the present embodiment.
Power imparting mechanism 57 has handle 571, rod 572, spring 573, pin 575 and intermediate member 579.
Rod 572 links by pin 575 and rotary body support unit 551.In Fig. 3, Fig. 4, rod 572 extends from rotary body support unit 551 along third direction X3.As clearly shown in Figure 4, rod 572 is disposed at the position of avoiding welding wire feeding path P 1.That is, as mentioned above, power imparting mechanism 57 is disposed at the position of avoiding welding wire feeding path P 1.Spring 573 embeds rod 572 and around rod 572.Handle 571 is fixed on rod 572.By handle 571 is rotated around the bearing of trend of rod 572, thereby rod 572 is advanced and retreat with respect to handle 571 a little along the bearing of trend of rod 572.Thus, the contraction situation of capable of regulating spring 573 (being the elastic force that spring 573 generates).
As shown in Figure 4, owing to spring 573 being remained to the state of contraction in power imparting mechanism 57, therefore, the below of spring 573 applies power downward across intermediate member 579 with respect to the front end 541a of roller support unit 541.Thus, pair roller support unit 541 applies the power F3 of prescribed level towards second direction X2.On the other hand, the top of spring 573 applies the power towards top to handle 571.Thus, by the 572 pairs of rotary body support units 551 of rod that are fixed on handle 571, towards third direction X3, apply the power F4 of described prescribed level.The size of power F4 and power F3 is identical.That is, by spring 573 pair roller support units 541 and rotary body support unit 551, apply the power of reverse and mutually the same size each other.
Roller support unit 541 can be supported on rotationally supporting member 51 centered by axle 549, therefore, when pair roller support unit 541 applies the power F3 towards second direction X2, is fixed on being pressed to feed rolls 535 by pressure roller 545 of roller support unit 541.Thus, feed rolls 535 is applied to above-mentioned power F1.
On the other hand, rotary body support unit 551 can be supported on rotationally supporting member 51 centered by axle 559, therefore, when rotary body support unit 551 is applied towards third direction X3 power F4 time, the reduction load rotary body 555 that is supported on rotary body support unit 551 is pressed to feed rolls 535.Thus, feed rolls 535 is applied to above-mentioned power F2.And the size of power F2 and power F1 is mutually the same.
Different from present embodiment, power imparting mechanism 57 not necessarily must have spring 573 etc.For example, power imparting mechanism 57 can be only also the mechanism being fixed from sandwiching up and down the state of roller support unit 541 and rotary body support unit 551.
Different from present embodiment, also can make to press feed rolls 535 by pressure roller 545 with a power imparting mechanism, with other power imparting mechanism, make to reduce load rotary body 555 and press feed rolls 535.
Preferably the size of power F1 and power F2 is mutually the same, but also can be different from present embodiment, and the size of power F1 and power F2 differs from one another.For example, can be that the size of power F1 is greater than the size of power F2, or can be also that power F2 is greater than power F1.
As shown in Figure 2, in the present embodiment, welding wire feed mechanism 23 also possesses two rollers 58.Be wound in the welding wire 891 of wire reel 29 by each roller 58 guiding, and be directed to feed rolls 535 and by between pressure roller 545, from welding wire guide rail 25, to the outside of wire feed unit 2, send.It should be noted that, also can be different from present embodiment, welding wire feed mechanism 23 does not possess roller 58.
Welding torch 3 shown in Fig. 1 has pipe and nozzle etc.By inserting in siphunculus and nozzle, thereby the welding wire 891 being come by wire feed unit 2 feedings is supplied with to mother metal W side.
Next, the action effect of present embodiment is described.
In the present embodiment, welding wire feed mechanism 23 possesses the load of reduction member 55.Reduce load member 55 and comprise the reduction load rotary body 555 around first direction X1 rotation.Reduce load rotary body 555 and apply the power towards the third direction X3 contrary with second direction X2 with respect to feeding member 53.According to such structure, can reduce the radial load that feeding member 53 is subject to.In the time can reducing the radial load that feeding member 53 is subject to, can prevent the wearing and tearing of the rotating shaft 533 of feeding member 53.
In addition, in the time can reducing the radial load that feeding member 53 is subject to, the power of the motor 521 of driving mechanism 52 can be reduced, the miniaturization of motor 521 can be sought.Thus, can seek the miniaturization of welding wire feed mechanism 23.In the time can seeking the miniaturization of welding wire feed mechanism 23, can seek in the present embodiment the miniaturization of wire feed unit 2.
In addition, in the situation that welding wire feed mechanism 23 as present embodiment comprises bearing 59, can prevent the wearing and tearing of bearing 59.In the time can reducing the radial load that feeding member 53 is subject to, can reduce to make the power of the needed driving mechanism 52 of feeding member 53 rotation.Thus, can seek the miniaturization of the motor 521 of driving mechanism 52.This contributes to the miniaturization of welding wire feed mechanism 23.
In the present embodiment, possesses the power imparting mechanism 57 linking with roller support unit 541 and rotary body support unit 551.Power imparting mechanism 57 pair roller support units 541 apply the power F3 of prescribed level towards second direction X2, and rotary body support unit 551 is applied to the power F4 of prescribed level towards third direction X3.According to such structure, when applying the power F3 of opposition side towards each other and power F4, do not need to use two power imparting mechanisms.This contributes to the miniaturization of welding wire feed mechanism 23.
In the present embodiment, clipping under the state of welding wire 891, the size of the power F2 towards third direction X3 that the size of the power F1 towards second direction X2 applying by 545 pairs of feed rolls 535 of pressure roller and 55 pairs of feed rolls 535 of reduction load member apply is mutually the same.According to such structure, the radial load that can make feeding member 53 be subject to is almost 0.Consequently, can more effectively enjoy the above-mentioned advantage obtaining by reducing radial load that feeding member 53 is subject to.
Another embodiment of welding wire feed mechanism is described below.It should be noted that, in the following description, about same as described above or similar structure, mark Reference numeral same as described above, suitably description thereof is omitted.
< the second embodiment >
With Fig. 7, the second embodiment of the present invention is described.
Fig. 7 is the front view of the welding wire feed mechanism of the second embodiment of the present invention.
In the welding wire feed mechanism 23A shown in this figure, as the diameter of the reduction load rotary body 555 of roller, be less than by any one in the diameter of the diameter of pressure roller 545 and feed rolls 535.According to such structure, on the basis of the action effect described in the first embodiment, realize following action effect.
In the present embodiment, can be described as with the diameter that reduces load rotary body 555 and compare, larger by the diameter of pressure roller 545.Such structure contributes to increase the part rubbing mutually by pressure roller 545 and welding wire 891 when the feeding of welding wire 891.Thus, can increase from the frictional force to welding wire 891 by pressure roller 545, can carry more reliably welding wire 891.On the other hand, in the present embodiment, can be described as and compare with by pressure roller 545 and smaller as the diameter of the reduction load rotary body 555 of roller.Reduce load rotary body 555 and to press pressure roller 545 different, do not contact with welding wire 891.Therefore,, even if it is less to reduce load rotary body 555, the impact of bringing to the feeding of welding wire 891 is little.Thereby, according to present embodiment, contribute to seek under the little prerequisite of the impact that brings in the feeding of giving welding wire 891 miniaturization of welding wire feed mechanism 23.
< the 3rd embodiment >
With Fig. 8, Fig. 9, the 3rd embodiment of the present invention is described.
Fig. 8 is the front view of the welding wire feed mechanism of the 3rd embodiment of the present invention.Fig. 9 is the feed rolls that schematically shows the 3rd embodiment of the present invention, by pressure roller, reduce load rotary body and the figure of the position relationship of the reduction load rotary body that appends.
In the welding wire feed mechanism 23B shown in this figure, reduce that load member 55 also possesses the rotating shaft 557 appending and reduction load rotary body 558 this point of appending on different from welding wire feed mechanism 23A.The rotating shaft 557 appending and the reduction load rotary body 558 appending are roughly the same with above-mentioned rotating shaft 553 and reduction load rotary body 555.Below describe.
The reduction load rotary body 558 appending and reduction load rotary body 555 are positioned at opposition side each other with respect to imaginary plane VP.Imaginary plane VP is the rotation centerline L3 that comprises feed rolls 535 and the plane parallel with first direction X1 and second direction X2.And in the present embodiment, the rotation centerline L51 of the rotation centerline L52 of the reduction load rotary body 558 appending and reduction load rotary body 555 is positioned at opposition side with respect to imaginary plane VP.In Fig. 8, the reduction load rotary body 558 appending is positioned at the left side of imaginary plane VP, reduces on the other hand the right side that load rotary body 555 is positioned at imaginary plane VP.Therefore, the rotation centerline L52 of the reduction load rotary body 558 appending is positioned at the left side of imaginary plane VP, and the rotation centerline L51 that reduces on the other hand load rotary body 555 is positioned at the right side of imaginary plane VP.
The reduction load rotary body 558 appending is rotatably supported in the rotating shaft 557 appending, and around first direction X1, rotates.In the present embodiment, the reduction load rotary body 558 appending is rollers.As shown in Figure 9, in the present embodiment, the 558 pairs of feeding members 53 of reduction load rotary body that append apply the power F22 towards the third direction X3 contrary with second direction X2.On the other hand, reduce by 555 pairs of feeding members 53 of load rotary body and apply the power F21 towards the third direction X3 contrary with second direction X2.Thus, reduce the radial load that feeding member 53 is subject to.
It should be noted that, the total of power F21 and power F22 is equivalent to the power F2 of the first embodiment.In the present embodiment, the reduction load rotary body 558 and the feed rolls 535 that append directly join.And, pressing under the state of pressure roller 545 and feed rolls 535 clamping welding wires 891, the size of the power F1 towards second direction X2 preferably applying by 545 pairs of feed rolls 535 of pressure roller and reduce the load member 55(reduction load rotary body 558 for reducing load rotary body 555 and appending in the present embodiment) the above-mentioned power F21 of the power F2(towards third direction X3 that feed rolls 535 is applied and power F22 with joint efforts) size mutually the same.In the present embodiment, the reduction load rotary body 558 appending as driven roller, be the driven voller of feed rolls 535 and bring into play function.
In the present embodiment, with the second embodiment similarly, reduce load rotary body 555 and the diameter of the reduction load rotary body 558 that appends is less than the diameter of feed rolls 535 and by the arbitrary diameter in the diameter of pressure roller 545.
According to such structure, on the basis of the action effect described in the second embodiment, also play following action effect.
According to present embodiment, by pressure roller 545, reduce load rotary body 555 and reduction load rotary body 558 these three parts of appending apply power to feed rolls 535.Therefore, can prevent the skew of the position of feeding member 53.Thus, can more effectively enjoy the above-mentioned advantage obtaining by reducing radial load that feeding member 53 is subject to.
It should be noted that, different from present embodiment, reduce load rotary body 555 and the diameter of the reduction load rotary body 558 that appends also can be with identical by the diameter of pressure roller 545.Or, reduce load rotary body 555 and the diameter of the reduction load rotary body 558 that appends also can be greater than by the diameter of pressure roller 545.In addition, reduce the diameter of load rotary body 555, the diameter of the reduction load rotary body 558 that appends and also can differing from one another by the diameter of pressure roller 545.
The present invention is not limited to above-mentioned embodiment.The concrete structure of each several part of the present invention can freely carry out various design alterations.
In the above-described embodiment, showing the reduction load rotary body 558 that reduces load rotary body 555 and append is the example of roller, but the present invention is not limited thereto.For example, the reduction load rotary body 558 that reduce load rotary body 555, appends can be also gear.
In the above description, show the example that reduction load rotary body 555 and the reduction load rotary body 558 appending and feed rolls 535 directly join, but the present invention is not limited thereto.For example, also can directly join with rotating shaft 533 for the reduction load rotary body 558 that reduces load rotary body 555, appends, the 558 pairs of rotating shafts 533 of reduction load rotary body that reduce load rotary body 555, append directly apply power.
In the above description, to show feed rolls 535 are driven rollers, by pressure roller 545, are examples of driven voller, but the present invention is not limited thereto.For example, can be also that driven roller, feed rolls 535 are driven vollers for pressing roller 545.
In the above description, show the example that welding wire feed mechanism 23 is applied to wire feed unit 2 that welding wire 891 is pushed, but the present invention is not limited thereto.For example, also welding wire feed mechanism 23 can be applied to anchoring.And, also can on welding torch, be provided with welding wire feed mechanism 23.
Claims (13)
1. a welding wire feed mechanism, it possesses:
The feeding member that comprises the feed rolls rotating around first direction;
Comprise around the rotation of described first direction by the pressing member of pressure roller;
Comprise the reduction load member around the reduction load rotary body of described first direction rotation,
Described feeding member comprises the rotating shaft of the described feed rolls extending along described first direction,
Described by pressure roller its with described feed rolls between clip under the state of welding wire described feed rolls applied to the power towards the second direction vertical with described first direction,
Described reduction load rotary body applies the power towards the third direction contrary with described second direction to described feeding member.
2. welding wire feed mechanism according to claim 1, wherein,
Described reduction load rotary body and described feed rolls directly join.
3. welding wire feed mechanism according to claim 1 and 2, wherein,
Described pressing member comprises that supporting is described by the roller support unit of pressure roller,
Described reduction load member comprises the rotary body support unit that supports described reduction load rotary body,
This welding wire feed mechanism also possesses the power imparting mechanism linking with described roller support unit and described rotary body support unit,
Described power imparting mechanism applies the power of prescribed level to described roller support unit towards described second direction, and described rotary body support unit is applied to the power of described prescribed level towards described third direction.
4. welding wire feed mechanism according to claim 3, wherein,
Described power imparting mechanism is disposed at the position of avoiding the welding wire feeding path of welding wire described in feeding.
5. according to the welding wire feed mechanism described in any one in claim 1～4, wherein,
Clipping under the state of described welding wire, the power towards described third direction that the described power towards described second direction described feed rolls being applied by pressure roller and described reduction load member apply described feed rolls, the two size is mutually the same.
6. according to the welding wire feed mechanism described in any one in claim 1～5, wherein,
Described reduction load rotary body is by the roller of the diameter of pressure roller described in diameter is less than.
7. according to the welding wire feed mechanism described in any one in claim 1～6, wherein,
Described reduction load member comprises the reduction load rotary body appending around described first direction rotation,
Described reduction load rotary body and described in the reduction load rotary body that appends with respect to imaginary plane, be positioned at each other opposition side,
Described imaginary plane comprises the rotation centerline of described feed rolls, and parallel with described first direction and described second direction.
8. according to the welding wire feed mechanism described in any one in claim 1～7, wherein,
This welding wire feed mechanism also possesses the supporting member of supporting described feeding member, described pressing member and described reduction load member.
9. according to the welding wire feed mechanism described in any one in claim 1～8, wherein,
This welding wire feed mechanism also possesses the driving mechanism that makes described feed rolls rotation.
10. welding wire feed mechanism according to claim 9, wherein,
Described driving mechanism comprises motor, and described motor and described rotating shaft directly link.
11. welding wire feed mechanisms according to claim 9, wherein,
Described driving mechanism comprises motor and the decelerator that reduces the rotary speed of described motor, and described decelerator and described rotating shaft directly link.
12. 1 kinds of wire feed units, wherein,
This wire feed unit possesses:
Welding wire feed mechanism in claim 1～11 described in any one; And
Installation is wound with the wire reel axle of the wire reel of welding wire.
13. 1 kinds of Arc System, wherein,
This Arc System possesses:
Welding wire feed mechanism in claim 1～11 described in any one; And
The robot that the welding wire that use is supplied with by described welding wire feed mechanism carries out electric arc processing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-034684 | 2013-02-25 | ||
| JP2013034684A JP6087166B2 (en) | 2013-02-25 | 2013-02-25 | Wire supply mechanism, wire feeding device, and arc system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104002022A true CN104002022A (en) | 2014-08-27 |
| CN104002022B CN104002022B (en) | 2017-12-12 |
Family
ID=51363086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410060039.2A Expired - Fee Related CN104002022B (en) | 2013-02-25 | 2014-02-21 | Welding wire feed mechanism, wire feed unit and Arc System |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6087166B2 (en) |
| CN (1) | CN104002022B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108620775A (en) * | 2018-04-27 | 2018-10-09 | 芜湖纵横智能制造产业技术研究有限公司 | A kind of Intelligent welding robot arm |
| DE102017113887A1 (en) * | 2017-06-22 | 2018-12-27 | Carl Cloos Schweißtechnik Gesellschaft mit beschränkter Haftung | Wire conveying device and clamping device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102176103B1 (en) * | 2019-09-18 | 2020-11-10 | 씨에스윈드(주) | Wire feeder for submerged arc welding |
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| JP2007030021A (en) * | 2005-07-29 | 2007-02-08 | Daihen Corp | Wire feeder |
| US20120160897A1 (en) * | 2010-12-23 | 2012-06-28 | Lincoln Global, Inc. | Wire feeder wire drive design |
| CN102686352A (en) * | 2009-11-17 | 2012-09-19 | 伊利诺斯工具制品有限公司 | Compact welding wire feeder |
| CN102695578A (en) * | 2009-11-02 | 2012-09-26 | 林肯环球股份有限公司 | Drive roll assembly for wire feeder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58189096U (en) * | 1982-06-11 | 1983-12-15 | 赤木 郷八郎 | Anti-corrosion suspension system for welding wire |
| US20050006425A1 (en) * | 2003-07-09 | 2005-01-13 | Lincoln Global, Inc., A Delaware Corporation | Wear resistant drive roller for wire feeding mechanism |
| JP2011110590A (en) * | 2009-11-27 | 2011-06-09 | Fumio Sawa | Welding wire feeder |
-
2013
- 2013-02-25 JP JP2013034684A patent/JP6087166B2/en not_active Expired - Fee Related
-
2014
- 2014-02-21 CN CN201410060039.2A patent/CN104002022B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007030021A (en) * | 2005-07-29 | 2007-02-08 | Daihen Corp | Wire feeder |
| CN102695578A (en) * | 2009-11-02 | 2012-09-26 | 林肯环球股份有限公司 | Drive roll assembly for wire feeder |
| CN102686352A (en) * | 2009-11-17 | 2012-09-19 | 伊利诺斯工具制品有限公司 | Compact welding wire feeder |
| US20120160897A1 (en) * | 2010-12-23 | 2012-06-28 | Lincoln Global, Inc. | Wire feeder wire drive design |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017113887A1 (en) * | 2017-06-22 | 2018-12-27 | Carl Cloos Schweißtechnik Gesellschaft mit beschränkter Haftung | Wire conveying device and clamping device |
| DE102017113887B4 (en) | 2017-06-22 | 2019-01-31 | Carl Cloos Schweißtechnik Gesellschaft mit beschränkter Haftung | Wire conveying device and clamping device |
| CN108620775A (en) * | 2018-04-27 | 2018-10-09 | 芜湖纵横智能制造产业技术研究有限公司 | A kind of Intelligent welding robot arm |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104002022B (en) | 2017-12-12 |
| JP2014161877A (en) | 2014-09-08 |
| JP6087166B2 (en) | 2017-03-01 |
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