CN101979208B - Flash butt welding machine for vehicle door corner welding - Google Patents
Flash butt welding machine for vehicle door corner welding Download PDFInfo
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- CN101979208B CN101979208B CN 201010505888 CN201010505888A CN101979208B CN 101979208 B CN101979208 B CN 101979208B CN 201010505888 CN201010505888 CN 201010505888 CN 201010505888 A CN201010505888 A CN 201010505888A CN 101979208 B CN101979208 B CN 101979208B
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Abstract
The invention discloses a flash butt welding machine for vehicle door corner welding, which comprises a base, clamping devices, an upsetting mechanism and an electric controller, wherein the clamping devices comprise a first clamping device for clamping a right welding piece and a second clamping device for clamping a left welding piece. The flash butt welding machine is characterized by also comprising a clamp adjusting device and an adjusting bottom plate capable of moving freely in a space, wherein the second clamping device is fixedly arranged on the adjusting bottom plate; an upsetting device comprises a guide rail seat, a moving component slipping along the guide rail seat and a servo driving device for driving the moving component to move; the first clamping device is fixedly arranged on the moving component; and a first insulating plate is arranged between the bottom of the clamp adjusting device and the base, and a second insulating plate is arranged between the bottom of the guide rail seat and the base. Compared with the prior art, the flash butt welding machine can randomly adjust the space placing position of the welding piece to ensure the welding quality and the appearance and profile requirements of a welded product; and the clamp adjusting device is convenient and simple in operation, and improves the welding efficiency.
Description
Technical field
The present invention relates to a kind of butt welding machine, particularly relate to a kind of flash butt welder for the corners of automobile door frame welding.
Background technology
At present, the manufacture craft of automobile door frame can be divided into two kinds basically: a kind of is whole punch forming, and a kind of is multistep molding.Wherein, whole punch forming process can be wasted the material of mid portion in the punch forming process, and the product structure intensity after the punch forming is relatively poor; Multistep molding technique then can economical with materials, reduce cost.For multistep molding technique, welding is a very important link wherein, and the quality of welding, precision and intensity are installed intensity, glass lifting, the hinge of automobile door frame and dimensional accuracy etc. has very important impact.Traditional welding adopts the welding methods such as Plasma Welding, CO2, MAG, TIG with two sections Product jointings together more, owing to reasons such as welding gun size, postwelding finishing, product design interference, the welding bead of automobile door frame welding only is distributed in front surface and the rear faying face of section, and the weld strength of key position (multilayer folding position) has to be strengthened; Secondly, existing welding method can't weld together each position of section bar, namely welds only part welding of contact-making surface, and welding procedure does not form the full section welding of interface, has the problem of weld strength deficiency.
In order to improve welding quality, also having a kind of welding method in the prior art is flash butt welding, it mainly is by the high electric current of instant high-voltage, utilize workpiece counterpart contact resistance to produce the heat heated parts, make two Metal Contact face moments that contact with each other melt and merge, reach two metal solder to together purpose.The dual-purpose butt welding machine of a kind of plastic material as patent No. CN00212495.5 " the dual-purpose butt welding machine of plastic material " discloses, be applicable to door window frame and the middle stile framework of welding plastic section bar, it comprises that stationary work-table is fixed on the support, movable table is connected with slide plate, left blocking gauge is installed on the stationary work-table, right blocking gauge is installed on the movable table, and side guide is connected with right blocking gauge by rocking arm, and medium pressing board is connected with left blocking gauge by rocking arm.The butt welding machine of above-mentioned patent utilizes two heads to replace three heads, has realized a tractor serves several purposes, can weld miter angle and can weld an angle of 90 degrees again, and, the flash of light process of butt welding machine has stronger self-regulating function, and is lower to the requirement of the consistent property of strict maintenance, so that welding quality stable.
But, the corner welding of automobile door frame and the welding requirements of common section bar are not quite similar, except guaranteeing welding quality, also must guarantee outward appearance and the profile requirement of the rear product of welding, this just requires the anchor clamps of welding machine must be able to realize convenient the adjusting, when the resemblance of soldered product does not meet welding requirements, can realize the quick adjustment of anchor clamps, so that the putting position of part to be welded meets production requirement; In addition, for the arrangements for automotive doors fillet welding, usually, each car need to be finished the doorframe corner welding of 4 to 6 different structures, be the production (front operation also is like this) that can switch to another kind of bight after every kind of bight production some, and the fillet welding of different structure needs the corresponding weld jig of a corresponding cover, in order to enhance productivity, reduce the input of equipment cost, this just need to can realize the quick-replaceable of different anchor clamps on same welding machine, above-mentioned patent and butt welding machine of the prior art lack can realize anchor clamps flexibly adjustment and quick-replaceable function and structure, can't adapt to well the specific (special) requirements of corners of automobile door frame welding, await doing further improvement.
Summary of the invention
Technical problem to be solved by this invention is the flash butt welder that is used for vehicle door corner that the installation site fast and flexible adjusting that can also guarantee part to be welded on a kind of basis realizing full section welding is provided for above-mentioned prior art present situation.
The present invention solves the problems of the technologies described above the technical scheme that adopts: should be used for the flash butt welder of welding car door corners, and include
Support;
Clamping device includes the first clamping device of clamping backhand welding fitting and the second clamping device of the left weldment of clamping, and this clamping device is installed on the described support, and has the input power both positive and negative polarity;
Upsetting machine is arranged on the described support;
Welding transformer is arranged on the described support and to described clamping device the source of welding current is provided, and the power supply positive-negative output end of described welding transformer links to each other with the input power both positive and negative polarity of described clamping device respectively; And
Electric controller is arranged on the described support, and described electric controller is electrically connected respectively described welding transformer and upsetting machine;
It is characterized in that: also including the clamp adjusting device that is arranged on the described support and be subjected to can be at the regulating base board of space free activity under this clamp adjusting device driving, and described the second clamping device is fixedly installed on the described regulating base board;
Described upsetting machine includes the track base that is fixedly installed on the described support, along the moving-member of this track base slippage with drive the servo drive that described moving-member moves; Described the first clamping device is fixedly installed on the described moving-member;
Be provided with the first insulation board between the bottom of described clamp adjusting device and the described support, be provided with the second insulation board between the bottom of described track base and the described support.
In order to realize that left weldment clamps the adjustment of position in the space, the solder side that guarantees left weldment and backhand welding fitting can reach the preferably depth of parallelism, improve the quality of welding, as preferably, can be following structure realize adjustment to left weldment locus, described clamp adjusting device includes pedestal, is installed on the described support;
The first slide rail includes the first base and the first slide plate, and described the first base is fixed on the described pedestal, and described the first slide plate can be done along the horizontal sliding of described support fore-and-aft direction with respect to described the first base;
The first adjustable plate, be arranged on described the first slide plate, offer the first arc chute on this first adjustable plate, in being arranged in described the first arc chute, also can connect along the first clamping screw of this first arc chute slippage between described the first adjustable plate and the first slide plate;
The second adjustable plate vertically is fixed on described the first adjustable plate, and the vertical axis direction of described the second adjustable plate and the direction of motion of described the first slide plate parallel, and offer the second arc chute on described the second adjustable plate;
The 3rd adjustable plate comprises mutual vertically disposed mainboard and subplate, also can connect along the second clamping screw of this second arc chute slippage in being arranged in described the second arc chute between described subplate and the second adjustable plate;
The second slide rail, include the second base and the second slide plate, described the second slide plate can be done along the vertical slippage perpendicular to described support direction with respect to described the second base, also can connect along the 3rd clamping screw of the 3rd arc chute slippage in being arranged in described the 3rd arc chute between described the second slide plate and the mainboard;
Support includes the first fixed head and the second fixed head that are vertically connected at one, wherein, described the first fixed head and described the second slide plate are fixedly linked, said the second fixed head and described regulating base board are fixedly linked, and described the second fixed head and described the second adjustable plate be arranged in parallel.
For convenient first adjustable plate of regulating, the locus of the second adjustable plate and the 3rd adjustable plate, more be convenient to the operation to three adjustable plate spatial rotational, as further preferred, described clamp adjusting device also includes the first adjusting rod, include the first holder, first connecting rod, the first cursor and the first double-screw bolt, and, described first connecting rod and described the first adjustable plate be arranged in parallel, the first cursor axially vertical with the first holder, the first double-screw bolt axially vertical with described the first adjustable plate, wherein, described the first holder is fixedly connected on the side of described the first slide plate, one end of described the first cursor is arranged in described the first holder rotationally, the other end of this first cursor has the first bayonet socket, one end of described first connecting rod is arranged in described the first bayonet socket rotationally, the other end of this first connecting rod is provided with external screw thread, described the first double-screw bolt is rotatably connected on described the first adjustable plate, the perisporium of described the first double-screw bolt radially offers tapped the first through hole, and the other end of described first connecting rod is threaded in described the first through hole;
The second adjusting rod, include the second holder, second connecting rod, the second cursor and the second double-screw bolt, and, described second connecting rod and described the second adjustable plate be arranged in parallel, the second cursor axially vertical with the second holder, the second double-screw bolt axially vertical with described the second adjustable plate, wherein, described the second holder is fixedly connected on the side of described subplate, one end of described the second cursor is arranged in described the second holder rotationally, the other end of this second cursor has the second bayonet socket, one end of described second connecting rod is arranged in described the second bayonet socket rotationally, the other end of this second connecting rod is provided with external screw thread, described the second double-screw bolt is rotatably connected on described the second adjustable plate, the perisporium of described the second double-screw bolt radially offers tapped the second through hole, and the other end of described second connecting rod is threaded in described the second through hole; And
The 3rd adjusting rod, include the 3rd holder, third connecting rod, the 3rd cursor and the 3rd double-screw bolt, and, described third connecting rod and described mainboard be arranged in parallel, the 3rd cursor axially vertical with the 3rd holder, axial and the described mainboard of the 3rd double-screw bolt is vertical, wherein, described the 3rd holder is fixedly connected on the side of described the second base, one end of described the 3rd cursor is arranged in described the 3rd holder rotationally, the other end of the 3rd cursor has the 3rd bayonet socket, one end of described third connecting rod is arranged in described the 3rd bayonet socket rotationally, the other end of this third connecting rod is provided with external screw thread, described the 3rd double-screw bolt is rotatably connected on the described mainboard, the perisporium of described the 3rd double-screw bolt radially offers tapped third through-hole, and the other end of described third connecting rod is threaded in the described third through-hole.Here, the first adjusting rod, the second adjusting rod are identical with the basic structure of the 3rd adjusting rod, mode of operation is also identical, and the connecting rod of each adjusting rod finally can drive the rotation of adjustable plate with respect to the screw of double-screw bolt, thereby realizes left weldment rotatablely moving around spatial triaxial.
In order to be easy for installation and removal, be convenient to realize the quick-replaceable between the different anchor clamps, as preferably, be provided with clamp bottom board on the described support, described clamp adjusting device and track base are installed on the described clamp bottom board, described the first insulation board is arranged between the bottom and described clamp bottom board of described clamp adjusting device, and described the second insulation board is arranged between the bottom and described clamp bottom board of described track base.So grip device all is installed on the clamp bottom board, when needs were changed different grip devices, the movable clamp base plate namely can disassemble a whole set of grip device, uses more convenient.
When considering the corners of automobile door frame welding, usually each car all needs to finish the fillet welding of 4～6 different structures, each fillet welding will adopt different anchor clamps that welding is installed, for the simplified apparatus structure, reduce equipment cost, can consider with same bonding machine by changing different weld jigs to satisfy the demand to different fillet welding, as preferably, also be provided with Quick fixture replacing device between described clamp bottom board and the support, the front portion of described clamp bottom board offers locating hole, and described Quick fixture replacing device includes
The anchor clamps mounting seat is fixedly installed on the top of described support;
Positive stop is arranged at the rear portion of described anchor clamps mounting seat, and back side edge edge and the described positive stop of described clamp bottom board offset;
Guide holder is installed, be arranged at respectively the both sides of relatively establishing about described anchor clamps mounting seat, the upper surface of the bottom of described clamp bottom board and this installation guide holder offsets, have the side block piece that can be respectively offsets with the edge, the left and right sides of described clamp bottom board on each described installation guide holder, described installation guide holder also is respectively arranged with in the both sides of described side block piece and rotates the locking nut that compresses described clamp bottom board;
The front support post, be arranged at the front portion of described anchor clamps mounting seat, the upper surface of the upper surface of this front support post and described installation guide holder is positioned at the same level face, the bottom of described clamp bottom board and this front support post upper surface offset, and, described front support post offers the installing hole corresponding with described locating hole vertically, and the alignment pin of described clamp bottom board in being arranged in described installing hole and corresponding locating hole fixed.So, can carry out easily the replacing of different anchor clamps by above-mentioned Quick fixture replacing device, as long as corresponding clamp bottom board is installed on the Quick fixture replacing device, just can in the welding of same butt welding machine realization to different corner structures, save equipment cost.
For so that install more laborsaving, and make things convenient for the adjustment of clamp bottom board, as further preferred, described anchor clamps mounting seat also is provided with a plurality of height a little less than the elastomeric support column of described front support post, each described elastomeric support column includes the body that is fixedly connected on the described anchor clamps mounting seat, this body offers cavity, is provided with in the described cavity to expose to outside the described body upper surface and the ball that can roll, and is provided with spring between the bottom of described ball and described cavity.Therefore, the ball spring-loaded of elastomeric support column and have elasticity, clamp bottom board prevents on the elastomeric support column, the power of under the rolling action of ball, can reducing friction, so that the passing of clamp bottom board is more laborsaving, operate more conveniently, improve the operating efficiency of the anchor clamps that change the outfit.
In order to realize the fixing fast of clamp bottom board, handled easily, as preferably, the cam that the body of described locking nut is set for the eccentric, the cross section of described locking nut is D shape and includes " one " font truncation section and " C " font male part, turn to side with described clamp bottom board when relative in the truncation section of described locking nut, described clamp bottom board is active state with respect to described anchor clamps mounting seat; When the male part of described locking nut was pushed down described clamp bottom board, described clamp bottom board was pressed on the described anchor clamps mounting seat.So, when with specific purpose tool rotation lock nut its male part being contacted with clamp bottom board, just clamp bottom board can be compressed, and locking nut is turned over 180 degree again, then truncation section is relative with the clamp bottom board side, and the compression of clamp bottom board is removed, and clamp bottom board can be freely movable.
Consider that clamp-replacing simultaneously, welding transformer to the clamping device power supply is also wanted simultaneously dismounting, for easy disassembly, and guarantee in the upset motion process, can reliably connect all the time between clamping device and the welding transformer, prevent from pulling, connection between welding transformer and the clamping device need to have certain activity, as preferably, be provided with cathode output end and cathode output end on the described welding transformer, described cathode output end and cathode output end respectively are connected with a strip-shaped conductive band, and the free end of described strip-shaped conductive band connects respectively the input power both positive and negative polarity of described clamping device.The strip-shaped conductive band can adopt the flexible copper foil, is used for replacing plain conductor, can strengthen on the one hand the intensity of connection, prevent that wire is torn in motion process, the compliant conductive band can stretch and come on the other hand, has certain activity, guarantees the reliability that connects.
Can accurately locate in order to guarantee weldment to be installed at every turn, the welding position that prevents weldment stretches out long or too short, as preferably, be provided with the first alignment pin on the described moving-member, this first alignment pin inserts and is opened in the mounting-positioning holes of described backhand welding fitting, be provided with the second alignment pin on the described regulating base board, this second alignment pin inserts in the mounting-positioning holes that is opened on the described left weldment.Because the first alignment pin and the second alignment pin are separately fixed on moving-member and the regulating base board, the position of alignment pin is relatively constant, then leave in advance the locating hole that can cooperate with alignment pin on the weldment, when weldment is installed, alignment pin is inserted in the locating hole of corresponding weldment, can guarantee that then the end length that weldment stretches out in clamping device fixes, can not affect welding quality because of (stretching out oversize or too short) not in place is installed.
Convenience for the clamping operation, the reliability that keeps clamping, as further preferred, described the first clamping device includes first of the first movable holddown of clamping backhand welding fitting, the first clamping cylinder that drives described the first movable holddown motion and the positive source output that is connected described welding transformer and connects copper bar; Described the second clamping device includes second of the second movable holddown of the left weldment of clamping, the second clamping cylinder that drives described the second movable holddown motion and the power cathode output that is connected described welding transformer and connects copper bar.Clamping cylinder can be realized movable holddown Quick-clamped weldment, guarantees the clamping reliability, alleviates operating personnel's working strength, improves clamping efficient.
Compared with prior art, the invention has the advantages that: be provided with clamp adjusting device, can arbitrarily adjust the space arrangement position of weldment, the interface that guarantees two weldments can fully parallelly contact relatively and well, outward appearance and the profile requirement of product after assurance welding quality and the welding; Secondly, the application's clamp adjusting device is convenient and simple for operation, and three-dimensional that not only can the implementation space moves adjustment, three-dimensional rotation adjustment that can also the implementation space, regulate more flexible, put in place; Moreover, the application is when welding, be the face contact between two weldments, the welding one-shot forming, and welding heat affected zone is little, has reduced welding interior stress, has realized the full section welding of automobile door frame product, effectively improve the weld strength of section bar docking site, promoted quality and the security performance of welding product; And, need not filler wire and protective gas during welding, reduced welding cost and welding difficulty; At last, the clamping of weldment all is to realize by machinery control with contacting, and has reduced personnel operation difficulty (relatively artificial arc-welding), reduces weld interval, has improved welding efficiency.
Description of drawings
Fig. 1 is the butt welding machine assembly structure rough schematic view of the embodiment of the invention.
Fig. 2 is one of clamp adjusting device perspective view of the embodiment of the invention.
Fig. 3 be the embodiment of the invention the clamp adjusting device perspective view two.
Fig. 4 is the top view of the clamp adjusting device of the embodiment of the invention.
Fig. 5 is three (Space Rotating signals) of the clamp adjusting device perspective view of the embodiment of the invention.
Fig. 6 is the second adjusting rod perspective view of the embodiment of the invention.
Fig. 7 is the three-dimensional exploded view of the second adjusting rod shown in Figure 6.
Fig. 8 is the Quick fixture replacing device perspective view of the embodiment of the invention.
Fig. 9 is that the A of Quick fixture replacing device shown in Figure 8 is to partial sectional view.
Figure 10 is the welding transformer Copper Foil band syndeton schematic diagram of the embodiment of the invention.
The specific embodiment
Embodiment is described in further detail the present invention below in conjunction with accompanying drawing.
Such as Fig. 1～shown in Figure 10, the butt welding machine of present embodiment is mainly used in the welding by the corners of automobile door frame of two ends product formation, usually, the welding end surface of corners of automobile door frame section bar is produced by product inclination sawing, the poor section condition that will guarantee the flash butt welding of coincidence gate frame section of the section of product to be welded both sides end face, the General Requirements section is poor within 10%.
The butt welding machine of present embodiment includes
Clamping device, include the first clamping device of clamping backhand welding fitting 23 and the second clamping device of the left weldment 8 of clamping, the first clamping device include first of the first movable holddown 18 of clamping backhand welding fitting 23, the first clamping cylinder 25 that drives 18 motions of the first movable holddown and the positive source output that is connected welding transformer 14 connect copper bar 16, the first connection copper bars 16 be connected to the first movable holddown 18 match mutually first fixedly on the briquetting 181; The second clamping device include second of the second movable holddown 12 of the left weldment 8 of clamping, the second clamping cylinder 9 that drives 12 motions of the second movable holddown and the power cathode output that is connected welding transformer 14 connect copper bar 15, the second connect copper bars 15 be connected to the second movable holddown 12 match second fixedly on the briquetting 121; First connects copper bar 16 connects the input power both positive and negative polarity that copper bar 15 is clamping device with being connected, and clamping device is after connecting power supply, and discharge realizes the butt welding between two section bar end faces between the first connection copper bar 16 and the second connection copper bar 15.
Clamp adjusting device, be installed on the clamp bottom board 6, this clamp adjusting device has a regulating base board 10, the second clamping device is fixedly installed on the regulating base board 10, be provided with the second alignment pin 11 on the regulating base board 10, after left weldment 8 was installed on the second clamping device, this second alignment pin 11 can insert in the mounting-positioning holes that is opened on the left weldment 8, was provided with the first insulation board 2 between the bottom of clamp adjusting device and the clamp bottom board 6.
Upsetting machine, include the track base 24 that is installed on the clamp bottom board 6, along the moving-member 19 of these track base 24 slippages with drive the servo drive 21 that moving-member 19 moves, the first clamping device is fixedly installed on the moving-member 19, moving-member 19 is can be so that the first clamping device is done traveling priority along the guide rail on the track base 24 under the driving of servo drive 21, be provided with the first alignment pin 20 on the moving-member 19, after backhand welding fitting 23 is installed on the first clamping device, this first alignment pin 20 can insert in the mounting-positioning holes that is opened in backhand welding fitting 23, is provided with the second insulation board 26 between the bottom of track base 24 and the clamp bottom board 6.
Quick fixture replacing device, be arranged between clamp bottom board 6 and the support 1, consider that each door frame need to finish the corner welding of 4～6 different structure models usually, because the weldment size shape of every kind of structure model is different, therefore every kind of fillet welding, all is fixedly mounted on clamping device on the clamp bottom board 6 usually all to a cover clamping mould should be arranged, when needs are changed clamping die, can realize by Quick fixture replacing device the quick-replaceable of different anchor clamps.
In the present embodiment, the internal structure of welding transformer 14 and electric controller 17 and control mode are prior art, in various butt welding machines, application is arranged, be not described in detail at this, the main inventive point of present embodiment is to realize welded part at the random clamp adjusting device of adjusting of space clip position and can realizes the quick-replaceable Quick fixture replacing device of different clamping devices.
The main inventive point of first of present embodiment is clamp adjusting device, and this clamp adjusting device includes
Pedestal 9 ', separate by the first insulation board 2 between this pedestal 9 ' bottom and the clamp bottom board 6;
The first slide rail, include the first base 71 ' and the first slide plate 72 ', the first base 71 ' offer dovetail groove and be fixed in pedestal 9 ' on, the first slide plate 72 ' have can with the swallow-tail form outline of the first base 71 ' match, the first base 71 ' on also be provided with the first regulating handle 73 ', the first regulating handle 73 ' with respect to the first base 71 ' for being fixedly installed, the tapped hole of the first slide plate 72 ' offer along its length, the first regulating handle 73 ' on be provided with external screw thread, the first regulating handle 73 ' and the first slide plate 72 ' between cooperate (the first regulating handle 73 ' be equivalent to leading screw for feed screw nut, the first slide plate 72 ' be equivalent to nut), when the first regulating handle 73 ' with respect to the first slide plate 72 ' internal thread hole when rotation, the first slide plate 72 ' can be with respect to the first base 71 ' do the straight line slippage, this straight line glide direction is the fore-and-aft direction along support 1;
The first adjustable plate 1 ', be arranged at the first slide plate 72 ' on, this first adjustable plate 1 ' on offer two the first arc chutes 11 that arrange in the same way ', the first adjustable plate 1 ' and the first slide plate 72 ' between through being arranged in the first arc chute 11 ' interior and can be along the first clamping screw 12 of this first arc chute 11 ' slippage ' connection, each first arc chute 11 ' in be equipped with two the first clamping screws 12 ', the first clamping screw 12 ' can screw in the first slide plate 72 ' interior and compress the first adjustable plate 1 ', when the first clamping screw 12 ' unscrew a little a bit after, the first adjustable plate 1 ' just can wind perpendicular to this first adjustable plate 1 ' the axis direction rotation, rotational trajectory is the first clamping screw 12 ' at the first arc chute 11 ' interior relative sliding;
The first adjusting rod, include the first holder 41 ', first connecting rod 42 ', the first cursor 43 ' and the first double-screw bolt 44 ', wherein, the first holder 41 ' be fixedly connected on the first slide plate 72 ' side on, the first cursor 43 ' axis direction and the first holder 41 ' vertical, the first cursor 43 ' an end be arranged at rotationally the first holder 41 ' in, this first cursor 43 ' the other end have U-shaped the first bayonet socket, first connecting rod 42 ' an end be arranged at rotationally in the first bayonet socket, this first connecting rod 42 ' the other end be provided with external screw thread, first connecting rod 42 ' be set in parallel in the first adjustable plate 1 ' on, the first double-screw bolt 44 ' cylindrical, the first double-screw bolt 44 ' axially with the first adjustable plate 1 ' vertical arrange and be rotatably connected to the first adjustable plate 1 ' on, the first double-screw bolt 44 ' perisporium radially offer tapped the first through hole, first connecting rod 42 ' the other end be threaded in the first through hole;
The second adjustable plate 2 ', and the first adjustable plate 1 ' one-body molded, and, the second adjustable plate 2 ' with the first adjustable plate 1 ' mutually vertical, the second adjustable plate 2 ' on offer two in the same way the second arc chutes 21 of setting ';
The 3rd adjustable plate 3 ', comprise integrated mainboard 31 ' and subplate 32 ', mainboard 31 ' vertical with subplate 32 ' mutually and cross section is L-shaped, subplate 32 ' and the second adjustable plate 2 ' between through being arranged in the second arc chute 21 ' interior and can be along the second clamping screw 22 of this second arc chute 21 ' slippage ' connection, subplate 32 ', the second adjustable plate 2 ' and the second clamping screw 22 ' between syndeton and the first slide plate 72 ', the first adjustable plate 1 ' and the first clamping screw 12 ' syndeton identical, do not do at this and to give unnecessary details; And, mainboard 31 ' also simultaneously respectively with the first adjustable plate 1 ' with the second adjustable plate 2 ' vertical, mainboard 31 ' on offer equally two the 3rd arc chutes 31 that arrange in the same way ';
The second adjusting rod, include the second holder 51 ', second connecting rod 52 ', the second cursor 53 ' and the second double-screw bolt 54 ', and, second connecting rod 52 ' and the second adjustable plate 2 ' be arranged in parallel, the second cursor 53 ' axis direction and the second holder 51 ' vertical, the second double-screw bolt 54 ' axis direction and the second adjustable plate 2 ' vertical, wherein, the second holder 51 ' be fixedly connected on subplate 32 ' side on, the second cursor 53 ' an end be arranged at rotationally the second holder 51 ' in, this second cursor 53 ' other end tool U-shaped the second bayonet socket 531 ', second connecting rod 52 ' an end be arranged at rotationally the second bayonet socket 531 ' in, this second connecting rod 52 ' the other end be provided with external screw thread 521 ', the second double-screw bolt 54 ' cylindrical, the second double-screw bolt 54 ' be rotatably connected to the second adjustable plate 2 ' on, the second double-screw bolt 54 ' perisporium radially offer tapped the second through hole 541 ', second connecting rod 52 ' the other end be threaded in the second through hole 541 ' in;
The second slide rail, comprise the second base 81 of offering dovetail groove ' and outline be the second slide plate 82 of swallow-tail form ', the second base 81 ' on be provided with the second regulating handle 83 ', the second regulating handle 83 ' with the first regulating handle 73 ' operation principle identical, the second regulating handle 83 ' be provided with external screw thread, the second slide plate 82 ' offer along its length hole with internal thread, the second regulating handle 83 ' with respect to the second base 81 ' be fixedly installed, the second regulating handle 83 ' and the second slide plate 82 ' between also cooperate (the second regulating handle 83 ' be equivalent to leading screw for feed screw nut, the second slide plate 82 ' be equivalent to nut), when the second regulating handle 83 ' with respect to the second slide plate 82 ' internal thread hole when rotation, the second slide plate 82 ' can do vertical slippage perpendicular to the direction of support 1 with respect to the second base 81 ' edge, in addition, the second slide plate 82 ' and the 3rd adjustable plate 3 ' mainboard 31 ' between through being arranged in the 3rd arc chute 311 ' interior and can be along the 3rd clamping screw 312 of the 3rd arc chute 311 ' slippage ' connection, the second slide plate 82 ', the 3rd adjustable plate 3 ' and the 3rd clamping screw 312 ' between annexation also with the first slide plate 72 ', the first adjustable plate 1 ' with the first clamping screw 12 ' syndeton identical, do not do at this and to give unnecessary details;
The 3rd adjusting rod, include the 3rd holder 61 ', third connecting rod 62 ', the 3rd cursor 63 ' and the 3rd double-screw bolt 64 ', and, third connecting rod 62 ' and the 3rd adjustable plate 3 ' mainboard 31 ' be arranged in parallel, the 3rd cursor 63 ' axis direction and the 3rd holder 61 ' vertical, the 3rd double-screw bolt 64 ' axis direction and the 3rd adjustable plate 3 ' mainboard 31 ' vertical, wherein, the 3rd holder 61 ' be fixedly connected on the second base 81 ' side on, the 3rd cursor 63 ' an end be arranged at rotationally the 3rd holder 61 ' in, the 3rd cursor 63 ' the other end have U-shaped the 3rd bayonet socket, third connecting rod 62 ' an end be arranged at rotationally in the 3rd bayonet socket, this third connecting rod 62 ' the other end be provided with external screw thread, the 3rd double-screw bolt 64 ' cylindrical, the 3rd double-screw bolt 64 ' be rotatably connected to the 3rd adjustable plate 3 ' mainboard 31 ' on, the 3rd double-screw bolt 64 ' perisporium radially offer tapped third through-hole, third connecting rod 62 ' the other end be threaded in the third through-hole;
Support, include integrated the first fixed head 91 ' and the second fixed head 92 ', the first fixed head 91 ' L-shaped with the second fixed head 92 ' vertical setting and cross section, wherein, the first fixed head 91 ' and the second slide plate 82 ' be fixedly linked, the second fixed head 92 ' front portion has been fixedly connected with the regulating base board 10 that is provided with the second clamping device, and, the second fixed head 92 ' and the second adjustable plate 2 ' be arranged in parallel.
Here, the first adjusting rod can realize to the first adjustable plate 1 ' the rotation adjustment, the second adjusting rod be used for to realize the second adjustable plate 2 ' the rotation adjustment, the 3rd adjusting rod then realize to the 3rd adjustable plate 3 ' the rotation adjustment, the installation site of the first adjusting rod, the second adjusting rod and the 3rd adjusting rod is different, but three's basic composition structure and regulative mode are identical.
The main inventive point of another of present embodiment is Quick fixture replacing device, and this Quick fixture replacing device includes anchor clamps mounting seat 4, is fixedly installed on the top of support 1;
Two positive stops 43 are arranged at respectively the rear portion of anchor clamps mounting seat 4, the back side edge of clamp bottom board 6 along can be directly and positive stop 43 offset spacing;
Wherein, the cam that the head of locking nut 7 is set for the eccentric, the cross section of this locking nut 7 is D shape, it includes the truncation section of " one " font and the male part of " C " font, turn to the rib homonymy of side block piece 51 and when parallel in the truncation section of locking nut 7, at this moment, have the gap between the side of truncation section with respect to clamp bottom board 6, clamp bottom board 6 can be along installing guide holder 5 slippages, and clamp bottom board 6 is active state with respect to anchor clamps mounting seat 4; Towards the inboard of anchor clamps mounting seat 4 and screw when pushing down clamp bottom board 6, the left and right sides sidepiece of clamp bottom board 6 is pressed on the anchor clamps mounting seat 4 in the male part of locking nut 7;
Two front support posts 41, be arranged at the front portion of anchor clamps mounting seat 4, the upper surface of the upper surface of front support post 41 and installation guide holder 5 is positioned at the same level face, the bottom of clamp bottom board 6 and front support post 41 upper surfaces offset, and, the front portion of clamp bottom board 6 offers locating hole, and front support post 41 offers the installing hole corresponding with locating hole vertically, and the alignment pin 42 of clamp bottom board 6 in being arranged in installing hole and corresponding locating hole is fixed on the anchor clamps mounting seat 4;
In order to make things convenient for the movement of clamp bottom board 6, also be provided with the elastomeric support column 3 of four rectangular distributions in the anchor clamps mounting seat 4, the height of elastomeric support column 3 is a little less than front support post 41 and guide holder 5 is installed, each elastomeric support column 3 includes the cylindrical body 41 that is fixedly connected on the anchor clamps mounting seat 4, this cylindrical body 41 offers cavity vertically, be provided with ball 32 and the spring 33 that can roll in the cavity, wherein, the bottom of one end of spring 33 and cylindrical body 41 cavitys offsets, the other end of spring 33 and ball 32 offset, ball 32 is exposing under the resilient force of spring 33 outside the cavity of body 41, after clamp bottom board 6 is installed on the anchor clamps mounting seat 4, the bottom of clamp bottom board 6 can be respectively offsets with the ball 32 of elastomeric support column 3, and moves around under the rolling action of ball 32 and adjust the position of clamp bottom board 6 on anchor clamps mounting seat 4.
In clamp-replacing, because the required welding current difference of the weldment of different sizes needs also to realize simultaneously that the connection of anchor clamps power supply and anchor clamps electricly connect the replacing of part.
The replacing that the anchor clamps power supply connects can be adopted Copper Foil band connection method as shown in figure 10, a wherein end of Copper Foil band is fixed on the output of welding transformer 14, the other end of Copper Foil band is free link, the power supply that can be connected to different anchor clamps connects on the copper bar, because the Copper Foil band is soft material and has certain length, can guarantee one-sided move freely of anchor clamps on the upset moving direction.
In addition, the anchor clamps in different door frames bight, the pressure of driven by servomotor is different with the final position, and, the section bar of different cross-sectional, the flash of light parameters such as time and guarantor's type time of splashing are also different, must guarantee electricly connecting and data call after the replacing for different anchor clamps.Hardware aspect generally can be installed a small-sized terminal box and aviation plug on each anchor clamps, when changing anchor clamps, the wiring on the bonding machine equipment is once connected the wiring such as motor-driven, encoder detection and anchor clamps identification by aviation plug.
The course of work of the flash butt welder of present embodiment includes that product clamps, flash butt welding and replacing anchor clamps, is specially:
(1), product clamps: at first, backhand welding fitting 23 is installed on the first clamping device, the first movable holddown 18 can insert in the mounting-positioning holes that is opened in advance on the backhand welding fitting 23 at clamping backhand welding fitting 23, the first alignment pins 20 under the effect of the first clamping cylinder 25; Left weldment 8 is installed on the second clamping device, the second movable holddown 12 clamps left weldment 8 under the effect of the second clamping cylinder, the second alignment pin 11 can insert in the mounting-positioning holes that is opened in advance on the left weldment 8, the effect of the first alignment pin 20 and the second alignment pin 11 is so that backhand welding fitting 23 stretches out in the length of the first movable holddown 18 and length that left weldment 8 stretches out in the second movable holddown 12 is certain, guarantee that two weldments just in time reserve an amount of welding surplus, it is too short or long to avoid weldment weld part in clamping process to stretch out.
Secondly, backhand welding fitting 23 is after installation, the welding end surface position of backhand welding fitting 23 is relatively fixing, can only on track base 24, do the straight line slippage along guide rail by moving-member 19, for the solder side that guarantees two weldments can better be fitted when welding, guarantee welding quality, can realize the adjustment in the locus of the solder side of left weldment 8 by the alignment jig adjusting device;
Referring to Fig. 2～Fig. 5, clamp adjusting device can be realized the rotation adjustment of left weldment 8 X perpendicular to each other, Y and Z axis around the space, can also realize that left weldment 8 is along the traveling priority of support 1 front and back and along the vertical movement perpendicular to support 1 horizontal plane direction; When unscrew the first clamping screw 12 ' after, at this moment, the first clamping screw 12 ' can be in the first arc chute 11 ' interior slip, the first adjustable plate 1 ' with respect to the first slide plate 72 ' rotate, rotate the first cursor 43 ' and first connecting rod 42 ' can be with the suitable position of the first adjustable plate 1 ' turn to, when the first adjustable plate 1 ' rotation, the solder side of left weldment 8 namely can be realized regulating around the rotation of Z axis; The second adjustable plate 2 ' with the 3rd adjustable plate 3 ' regulative mode and the first adjustable plate 1 ' identical, when unscrew the second clamping screw 22 ' after, the second clamping screw 22 ' can be in the second arc chute 21 ' interior slip, rotate the second cursor 53 ' and second connecting rod 52 ' can be with the suitable position of the second adjustable plate 2 ' turn to, when the second adjustable plate 2 ' rotation, the solder side of left weldment 8 namely can be realized regulating around the rotation of X-axis; When unscrew the 3rd clamping screw 32 ' after, the 3rd clamping screw 32 ' can be in the 3rd arc chute 31 ' interior slip, rotate the 3rd cursor 63 ' and third connecting rod 62 ' can be with the suitable position of the 3rd adjustable plate 3 ' turn to, when the 3rd adjustable plate 3 ' rotation, the solder side of left weldment 8 namely can be realized regulating around the rotation of Y-axis;
In addition, turn the first regulating handle 73 ', can be so that the first slide plate 72 ' along the first base 71 ' do traveling priority, the solder side of left weldment 8 can be realized regulating along the front and back position of X-direction with respect to the solder side of backhand welding fitting 23, turn the second regulating handle 83 ', can be so that the second slide plate 82 ' along the second base 82 ' do traveling priority, the solder side of left weldment 8 can be realized regulating along the vertical position of Z-direction with respect to the solder side of backhand welding fitting 23, solder side as for left weldment 8 is regulated along the horizontal level of Y direction with respect to the solder side of backhand welding fitting 23, then realizes by the slippage of moving-member 19 on track base 24 that backhand welding fitting 23 is installed.
(2), flash butt welding: after left weldment 8 and backhand welding fitting 23 clamp respectively, plugged, under the control of electric controller 17, upsetting machine promotes backhand welding fitting 23 and slightly contacts first with left weldment 8, form many contact points, when electric current passes through, the solder side of left weldment 8 and backhand welding fitting 23 gradually shifts near and reaches local and contacts, utilize the local contact resistance of large current lead-through to form high temperature, make end plane metal fusing (produce flash of light and splash), until the solder side position reaches predetermined temperature in the certain depth scope; When the flash of light stage finished, electric controller 17 control upsetting machines applied enough upset forces to weldment rapidly and make between the welding contact end face and produce certain plastic deformation to finish welding.Flash butt welding has realized the one-shot forming of welding, and welding heat affected zone is little, thereby reduced welding interior stress, disposablely finishes full section welding, has promoted product quality; And flash butt welding the time need not filler wire and protective gas in welding, and the difficulty that not only reduces the personnel to operate (relatively artificial arc-welding) has also reduced welding cost, has saved minimizing weld interval, increases work efficiency.
(3), change anchor clamps: for the automobile door frame fillet welding, each car need to be finished 4 to 6 corner weldings, in order to reduce the input of equipment, improve utilization rate of equipment and installations, usually, each bight switches to the production (front operation also is like this) in another bight again after the production some.
When changing anchor clamps, at first take off the alignment pin 42 on the front support post 41, clamp bottom board 6 is placed on the anchor clamps mounting seat 4, guide holder 5 is installed, front support post 41 and elastomeric support column 3 are supported on respectively the bottom of clamp bottom board 6, clamp bottom board 6 can move along guide holder 5 is installed, the dual-side of clamp bottom board 6 is along being subjected to the spacing of side block section, the rear portion of clamp bottom board 6 and positive stop 43 offset realize spacing, the exact position of clamp bottom board 6 can be by finely tuning elastomeric support column 3 mobile realizations, can reduce the bottom friction power of clamp bottom board 6 by the rolling power of ball 32, so that the adjustment of clamp bottom board 6 is more laborsaving; Clamp bottom board 6 is after finish the location, and the installing hole of clamp bottom board 6 front portions and the alignment of the installing hole of front support post 41 are also plugged alignment pin 42, and turn locking nut 7 is finished the fixing of anchor clamps so that the male part of locking nut 7 just in time is pressed on the clamp bottom board 6 again.
Claims (9)
1. a flash butt welder that is used for welding car door corners includes
Support (1);
Clamping device includes the first clamping device of clamping backhand welding fitting (23) and the second clamping device of the left weldment of clamping (8), and this clamping device is installed on the described support (1), and has the input power both positive and negative polarity;
Upsetting machine is arranged on the described support (1);
Welding transformer (14) is arranged at described support (1) and upward and to described clamping device provides the source of welding current, and the power supply positive-negative output end of described welding transformer (14) links to each other with the input power both positive and negative polarity of described clamping device respectively; And
Electric controller (17) is arranged on the described support (1), and described electric controller is electrically connected respectively described welding transformer (14) and upsetting machine;
It is characterized in that: also including the clamp adjusting device that is arranged on the described support (1) and be subjected to can be at the regulating base board (10) of space free activity under this clamp adjusting device driving, and described the second clamping device is fixedly installed on the described regulating base board (10);
Described upsetting machine includes the track base (24) that is fixedly installed on the described support (1), along the moving-member (19) of this track base (24) slippage with drive the mobile servo drive (21) of described moving-member (19), described the first clamping device is fixedly installed on the described moving-member (19);
Be provided with the first insulation board (2) between the bottom of described clamp adjusting device and the described support (1), be provided with the second insulation board (26) between the bottom of described track base (24) and the described support (1);
Described clamp adjusting device includes
Pedestal (9 ') is installed on the described support (1);
The first slide rail, include the first base (71 ') and the first slide plate (72 '), described the first base (71 ') is fixed on the described pedestal (9 '), and described the first slide plate (72 ') can be done along the horizontal sliding of described support (1) fore-and-aft direction with respect to described the first base (71 ');
The first adjustable plate (1 '), be arranged on described the first slide plate (72 '), offer the first arc chute (11 ') on this first adjustable plate (1 '), in being arranged in described the first arc chute (11 '), also can connect along first clamping screw (12 ') of this first arc chute (11 ') slippage between described the first adjustable plate (1 ') and the first slide plate (72 ');
The second adjustable plate (2 '), vertically be fixed on described the first adjustable plate (1 '), and, the direction of motion of the vertical axis direction of described the second adjustable plate (2 ') and described the first slide plate (72 ') parallels, and offers the second arc chute (21 ') on described the second adjustable plate (2 ');
The 3rd adjustable plate (3 '), comprise mutual vertically disposed mainboard (31 ') and subplate (32 '), in being arranged in described the second arc chute (21 '), also can connect along second clamping screw (22 ') of this second arc chute (21 ') slippage between described subplate (32 ') and the second adjustable plate (2 '), described mainboard (31 ') offers the 3rd arc chute (311 ') simultaneously perpendicular to described the first adjustable plate (1 ') and the second adjustable plate (2 ') on the described mainboard (31 ');
The second slide rail, include the second base (81 ') and the second slide plate (82 '), described the second slide plate (82 ') can be done along the vertical slippage perpendicular to described support (1) direction with respect to described the second base (81 '), also can connect along the 3rd clamping screw (312 ') of the 3rd arc chute (311 ') slippage in being arranged in described the 3rd arc chute (311 ') between described the second slide plate (82 ') and the mainboard (31 ');
Support, include the first fixed head (91 ') and the second fixed head (92 ') that are vertically connected at one, wherein, described the first fixed head (91 ') and described the second slide plate (82 ') are fixedly linked, said the second fixed head (92 ') and described regulating base board (10) are fixedly linked, and described the second fixed head (92 ') and described the second adjustable plate (2 ') be arranged in parallel.
2. the flash butt welder for welding car door corners according to claim 1, it is characterized in that: described clamp adjusting device also includes
The first adjusting rod, include the first holder (41 '), first connecting rod (42 '), the first cursor (43 ') and the first double-screw bolt (44 '), and, described first connecting rod (42 ') and described the first adjustable plate (1 ') be arranged in parallel, the first cursor (43 ') axially vertical with the first holder (41 '), the first double-screw bolt (44 ') axially vertical with described the first adjustable plate (1 '), wherein, described the first holder (41 ') is fixedly connected on the side of described the first slide plate (72 '), one end of described the first cursor (43 ') is arranged in described the first holder (41 ') rotationally, the other end of this first cursor (43 ') has the first bayonet socket, one end of described first connecting rod (42 ') is arranged in described the first bayonet socket rotationally, the other end of this first connecting rod (42 ') is provided with external screw thread, described the first double-screw bolt (44 ') is rotatably connected on described the first adjustable plate (1 '), the perisporium of described the first double-screw bolt (44 ') radially offers tapped the first through hole, and the other end of described first connecting rod (42 ') is threaded in described the first through hole;
The second adjusting rod, include the second holder (51 '), second connecting rod (52 '), the second cursor (53 ') and the second double-screw bolt (54 '), and, described second connecting rod (52 ') and described the second adjustable plate (2 ') be arranged in parallel, the second cursor (53 ') axially vertical with the second holder (51 '), the second double-screw bolt (54 ') axially vertical with described the second adjustable plate (2 '), wherein, described the second holder (51 ') is fixedly connected on the side of described subplate (32 '), one end of described the second cursor (53 ') is arranged in described the second holder (51 ') rotationally, the other end of this second cursor (53 ') has the second bayonet socket (531 '), one end of described second connecting rod (52 ') is arranged in described the second bayonet socket (531 ') rotationally, the other end of this second connecting rod (52 ') is provided with external screw thread (521 '), described the second double-screw bolt (54 ') is rotatably connected on described the second adjustable plate (2 '), the perisporium of described the second double-screw bolt (54 ') radially offers tapped the second through hole (541 '), and the other end of described second connecting rod (52 ') is threaded in described the second through hole (541 '); And
The 3rd adjusting rod, include the 3rd holder (61 '), third connecting rod (62 '), the 3rd cursor (63 ') and the 3rd double-screw bolt (64 '), and, described third connecting rod (62 ') and described mainboard (31 ') be arranged in parallel, the 3rd cursor (63 ') axially vertical with the 3rd holder (61 '), axial and the described mainboard (31 ') of the 3rd double-screw bolt (64 ') is vertical, wherein, described the 3rd holder (31 ') is fixedly connected on the side of described the second base (81 '), one end of described the 3rd cursor (63 ') is arranged in described the 3rd holder (61 ') rotationally, the other end of the 3rd cursor (63 ') has the 3rd bayonet socket, one end of described third connecting rod (62 ') is arranged in described the 3rd bayonet socket rotationally, the other end of this third connecting rod (62 ') is provided with external screw thread, described the 3rd double-screw bolt (64 ') is rotatably connected on the described mainboard (31 '), the perisporium of described the 3rd double-screw bolt (64 ') radially offers tapped third through-hole, and the other end of described third connecting rod (62 ') is threaded in the described third through-hole.
3. the flash butt welder for welding car door corners according to claim 1 and 2, it is characterized in that: be provided with clamp bottom board (6) on the described support (1), described clamp adjusting device and track base (24) are installed on the described clamp bottom board (6), described the first insulation board (2) is arranged between the bottom and described clamp bottom board (6) of described clamp adjusting device, and described the second insulation board (26) is arranged between the bottom and described clamp bottom board (6) of described track base (24).
4. the flash butt welder for welding car door corners according to claim 3, it is characterized in that: also be provided with Quick fixture replacing device between described clamp bottom board (6) and the support (1), the front portion of described clamp bottom board (6) offers locating hole, and described Quick fixture replacing device includes
Anchor clamps mounting seat (4) is fixedly installed on the top of described support (1);
Positive stop (43) is arranged at the rear portion of described anchor clamps mounting seat (4), and the back side edge edge of described clamp bottom board (6) and described positive stop (43) offset;
Guide holder (5) is installed, be arranged at respectively the both sides of relatively establishing about described anchor clamps mounting seat (4), the upper surface of the bottom of described clamp bottom board (6) and this installation guide holder (5) offsets, have the side block piece (51) that can be respectively offsets with the edge, the left and right sides of described clamp bottom board (6) on each described installation guide holder (5), described installation guide holder (5) also is respectively arranged with in the both sides of described side block piece (51) and rotates the locking nut (7) that compresses described clamp bottom board (6);
Front support post (41), be arranged at the front portion of described anchor clamps mounting seat (4), the upper surface of the upper surface of this front support post (41) and described installation guide holder (5) is positioned at the same level face, the bottom of described clamp bottom board (6) and this front support post (41) upper surface offset, and, described front support post (41) offers the installing hole corresponding with described locating hole vertically, and the alignment pin (42) of described clamp bottom board (6) in being arranged in described installing hole and corresponding locating hole is fixing.
5. the flash butt welder for welding car door corners according to claim 4, it is characterized in that: described anchor clamps mounting seat (4) also is provided with a plurality of height a little less than the elastomeric support column (3) of described front support post (41), each described elastomeric support column (3) includes the body (31) that is fixedly connected on the described anchor clamps mounting seat (4), this body (31) offers cavity, be provided with in the described cavity and expose to outside described body (31) upper surface and the ball (32) that can roll, be provided with spring (33) between the bottom of described ball (32) and described cavity.
6. the flash butt welder for welding car door corners according to claim 4, it is characterized in that: the cam that the head of described locking nut (7) is set for the eccentric, the cross section of described locking nut (7) is D shape and includes " one " font truncation section and " C " font male part, turn to described side block piece (51) homonymy and when parallel in the truncation section of described locking nut (7), described clamp bottom board (6) is active state with respect to described anchor clamps mounting seat (4); When the male part of described locking nut (7) was pushed down described clamp bottom board (6), described clamp bottom board (6) was pressed on the described anchor clamps mounting seat (4).
7. the flash butt welder for welding car door corners according to claim 4, it is characterized in that: be provided with cathode output end (141) and cathode output end (142) on the described welding transformer (14), described cathode output end (141) and cathode output end (141) respectively are connected with a strip-shaped conductive band (13), and the free end (131) of described strip-shaped conductive band (13) connects respectively the input power both positive and negative polarity of described clamping device.
8. the flash butt welder for welding car door corners according to claim 1, it is characterized in that: be provided with the first alignment pin (20) on the described moving-member (19), this first alignment pin (20) inserts and is opened in the mounting-positioning holes of described backhand welding fitting (23), be provided with the second alignment pin (11) on the described regulating base board (10), this second alignment pin (11) inserts in the mounting-positioning holes that is opened on the described left weldment (8).
9. the flash butt welder for welding car door corners according to claim 8 is characterized in that: described the first clamping device includes the first connection copper bar (16) of first movable holddown (18) of clamping backhand welding fitting (23), the first clamping cylinder (25) that drives described the first movable holddown (18) motion and the positive source output that is connected described welding transformer (14); Described the second clamping device includes second of second movable holddown (12) of the left weldment of clamping (8), the second clamping cylinder (9) that drives described the second movable holddown (12) motion and the power cathode output that is connected described welding transformer (14) and connects copper bar (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010505888 CN101979208B (en) | 2010-10-12 | 2010-10-12 | Flash butt welding machine for vehicle door corner welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010505888 CN101979208B (en) | 2010-10-12 | 2010-10-12 | Flash butt welding machine for vehicle door corner welding |
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| Publication Number | Publication Date |
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| CN101979208A CN101979208A (en) | 2011-02-23 |
| CN101979208B true CN101979208B (en) | 2013-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010505888 Active CN101979208B (en) | 2010-10-12 | 2010-10-12 | Flash butt welding machine for vehicle door corner welding |
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| CN (1) | CN101979208B (en) |
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| CN1257768A (en) * | 1998-02-04 | 2000-06-28 | 乌克兰国家科学学会E·O·派顿电子焊接协会 | Welder for flash butt welding steel rail |
| CN1775447A (en) * | 2005-12-09 | 2006-05-24 | 新兴铸管股份有限公司 | Steel checkerboard pressure welding machine |
| CN201841352U (en) * | 2010-10-12 | 2011-05-25 | 宁波信泰机械有限公司 | Flash butt welding machine used for welding car door corners |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1712090A1 (en) * | 1988-06-20 | 1992-02-15 | Институт Электросварки Им.Е.О.Патона | Machine for welding with arc rotating in magnetic |
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2010
- 2010-10-12 CN CN 201010505888 patent/CN101979208B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4629109A (en) * | 1984-04-23 | 1986-12-16 | Tachikawa Spring Co. Ltd | Jig for welding frames |
| CN1257768A (en) * | 1998-02-04 | 2000-06-28 | 乌克兰国家科学学会E·O·派顿电子焊接协会 | Welder for flash butt welding steel rail |
| CN1775447A (en) * | 2005-12-09 | 2006-05-24 | 新兴铸管股份有限公司 | Steel checkerboard pressure welding machine |
| CN201841352U (en) * | 2010-10-12 | 2011-05-25 | 宁波信泰机械有限公司 | Flash butt welding machine used for welding car door corners |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101979208A (en) | 2011-02-23 |
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Application publication date: 20110223 Assignee: NINGBO MINTH AUTOMOTIVE PARTS RESEARCH&DEVELOPMENT Co.,Ltd. Assignor: NINGBO XINTAI MACHINERY Co.,Ltd. Contract record no.: X2023980053787 Denomination of invention: Flash butt welding machine for welding car door corners Granted publication date: 20130213 License type: Common License Record date: 20231225 |