CN104097005A - Welding fixture for steel wire frameworks of back-row seat cushions of automobiles - Google Patents
Welding fixture for steel wire frameworks of back-row seat cushions of automobiles Download PDFInfo
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- CN104097005A CN104097005A CN201410316357.0A CN201410316357A CN104097005A CN 104097005 A CN104097005 A CN 104097005A CN 201410316357 A CN201410316357 A CN 201410316357A CN 104097005 A CN104097005 A CN 104097005A
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- steel wire
- down mechanism
- seat cushion
- hold
- fixture
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F15/00—Connecting wire to wire or other metallic material or objects; Connecting parts by means of wire
- B21F15/02—Connecting wire to wire or other metallic material or objects; Connecting parts by means of wire wire with wire
- B21F15/06—Connecting wire to wire or other metallic material or objects; Connecting parts by means of wire wire with wire with additional connecting elements or material
- B21F15/08—Connecting wire to wire or other metallic material or objects; Connecting parts by means of wire wire with wire with additional connecting elements or material making use of soldering or welding
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention discloses a welding fixture for steel wires of seats of automobiles. The welding fixture comprises a bottom plate base. The bottom plate base is divided into three regions according to sitting areas of each back-row seat cushion, the three regions include a left base, a right base and a middle base, the left base and the right base are arranged in a bilateral symmetry manner, and the middle base is positioned between the left base and the right base; first fixing devices, second fixing devices, third fixing devices, fourth fixing devices, fifth fixing devices and sixth fixing devices are symmetrically arranged on the left base and the right base; the middle base comprises a seven fixing device, an eighth fixing device and a ninth fixing device, the seventh fixing device is used for fixing steel wires at the outer edges and the inner edges of middle leg laying portions, the eighth fixing device is used for fixing buttock supporting steel wires of the middle sitting areas, and the ninth fixing device is used for fixing steel wires at middle backrest positions. The welding fixture has the advantages that the welding fixture is easy to assemble, reliable clamping and positioning effects can be realized, welding guns can be prevented from being blocked, and the production efficiency and the welding quality can be greatly improved; the welding fixture is simple in structure and easy to popularize and utilize.
Description
Technical field
The present invention relates to a kind of process equipment of seat cushions, relate in particular to the weld jig of a kind of car rear row seat pad steel-wire carcass.
Background technology
Motor-vehicle seat system is as one of automobile basic device, and it links together human body and vehicle body, directly has influence on occupant's security and riding comfort, is the important safety parts of automobile.Design, exploitation and the research of automotive seat is more and more subject to the attention of automobile industry.In the general all main directions using the security of driver's seat and comfortableness as seat research of China, but along with the development of private car, automobile rear seat more and more causes people's attention, has become people and has chosen one of important indicator of vehicle.Automobile rear seat is generally made up of seat cushion, backrest, headrest and seat connection etc.The foundation structure of automobile rear seat is automobile chair frame, can be divided into seat cushion framework and backrest frames two parts, and the two is separate, is connected respectively with body structure.At present, general automobile seat cushion frame all adopts stamping steel plate or aluminum alloy materials, but along with people are more and more higher to the light-weighted requirement of automotive seat, aluminium alloy lightweight material cannot meet the light-weighted requirement of seat.At present, increasing sedan limousine adopts steel wire to make automobile seat cushion frame.Steel wire automobile seat cushion frame can either meet the requirement of strength of seat cushions, can meet again the requirement of people to seat cushions comfort level.But the welding of steel wire automobile seat cushion frame but becomes the insoluble difficult problem of people.Because automobile is in traveling process, the impulsive force difference that the different parts of the seat cushions of back seat bears, the place that for example seat cushion framework stress is concentrated is the most at axis place of seat cushion frame center, and its pressure bearing is larger.The stress of seat cushion framework in clamp junction, the front and back of vehicle body junction is also comparatively concentrated, and the intensity that need should bear according to it in the time selecting skeleton steel wire base material is selected.Except considering the intensity of chair framework, people also need to consider the comfortableness of back seat, make it meet human engineering mechanics's requirement as far as possible.The steel wire model that on seat cushion framework, different parts adopts is as can be seen here different, the size difference of the steel wire of selecting for different parts, maximum steel wire diameter can reach 7～8 millimeters, thinner has 3 millimeters, the thinnest steel wire only has 1 millimeter, the steel wire of these different-diameters is distributed on zones of different according to human engineering mechanics and the intensity of bearing, and separately, need to be welded to each other into seat cushion framework, so just, cause steel-wire carcass complex structure, number of welds is many, status requirement is accurate, and the welding requirements of the steel wire of different model different parts is also different, rely on artificial welding to be difficult to ensure the welding quality of steel-wire carcass, easily there is pore in artificial welding, slag inclusion, undercut, overlap, arc crater, crackle, incomplete fusion, burn-through, the defects such as fusion length is short and efficiency are very low.
In order to ensure intensity and the comfortableness of seat cushion steel-wire carcass, and welding high-quality, people adopt welding robot to weld conventionally.But welding robot often needs there is special fixture clamping workpiece in the time of welding, while is for the steel wire of different model, its anchor point and to compress point different with the requirement of solder joint, the anchor point of the intensity that need to bear according to the model of steel wire and institute's seat cushion to steel wire and compress to put and reasonably distribute; To avoid solder joint to be blocked the phenomenon that causes welding robot welding arm to arrive simultaneously.If the thinner sizes of wire of 3mm and 1mm is in the time welding, the anchor point on fixture need design and distribute rationally, not so easily causes that steel wire is weak and limp in the time of location, not only affects welding quality, and cannot reach the support strength of seat cushion.
Summary of the invention
The object of the present invention is to provide a kind of weld jig of automobile rear seat cushion steel-wire carcass, it can coordinate existing welding robot to weld for the steel wire of different model, and be easy to assembling, clamp and locate and reliably, do not keep off welding gun, can greatly enhance productivity and welding quality, and simple in structure, be easy to promote and use.
To achieve these goals, the invention provides following technical scheme: the weld jig of automobile rear seat cushion steel-wire carcass, it comprises base plate pedestal, described base plate pedestal is taken and is divided into three regions according to rear row seat pad, be the left and right pedestal being symmetrical set, and middle part pedestal between left and right pedestal, a described left side, on right pedestal, be arranged with lower device: for a fixing seat cushion left side, the first fixture of right both sides radially outer edge and inner edge steel wire, for a left side, the fixing seat cushion left and right sides, the second fixture of right circular arc portion outer rim and inner edge steel wire, for fixing left, right seat cushion is put the 3rd fixture of shank outer rim and inner edge steel wire, for a fixing seat cushion left side, the 4th fixture of region buttocks supporting steel wire is taken on the right side, for a fixing seat cushion left side, the 5th fixture of the transition steel wire of right both sides seat cushion and backrest, for a fixing seat cushion left side, the 6th fixture of the right side and backrest place steel wire, described middle part pedestal is provided with for fixing middle part and puts the 7th fixture of shank outer rim and inner edge steel wire, takes the 8th fixture of region buttocks supporting steel wire, the 9th fixture for backrest place, fixing middle part steel wire for fixing middle part,
The first described fixture comprises: at least one vertical hold-down mechanism for fixing seat cushion outer rim steel wire, at least one side-stand type hold-down mechanism for fixing seat cushion inner edge steel wire and the positioner matching with vertical hold-down mechanism or side-stand type hold-down mechanism;
The second described fixture comprises: at least one side-stand type hold-down mechanism for fixing arc inner edge steel wire and the positioner matching, for locating the positioner of inner edge steel wire and outer rim steel wire;
The 3rd described fixture comprises: at least one for fixing seat cushion put the vertical hold-down mechanism of shank outer rim steel wire and the positioner coordinating with it, at least one for fixedly put the slip hold-down mechanism of shank inner edge steel wire and cooperation with it positioner, at least one is for fixedly putting the vertical hold-down mechanism of shank inner edge steel wire;
Described the 4th fixture comprises: at least one side-stand type hold-down mechanism for fixed radial steel wire, at least one vertical hold-down mechanism for fixed radial steel wire, and the some positioners that match;
The 5th described fixture comprises: the positioner that at least one vertical hold-down mechanism for fixing seat cushion outer rim steel wire or seat cushion inner edge steel wire, at least one and vertical hold-down mechanism match;
The 6th described fixture comprises: at least one vertical hold-down mechanism for fixed car backrest place inner edge steel wire and the positioner matching, at least one upset hold-down mechanism for fixed car backrest place outer rim steel wire, the positioner matching with this upset hold-down mechanism;
The 7th described fixture comprises: at least one vertical hold-down mechanism for fixing seat cushion outer rim steel wire, the positioner matching, at least one vertical hold-down mechanism for fixing seat cushion inner edge steel wire and the positioner matching;
The 8th described fixture comprises: at least four for the radially vertical hold-down mechanism, some for locating two articles of radially side-stand type hold-down mechanism, two vertical hold-down mechanisms for fixed lateral " S " shaped steel wire and " S " positioners of cushion steel wire of seat cushion steel wire of two articles of fixing central region;
The 9th described fixture comprises: for fix simultaneously the horizontal seat cushion steel wire of backrest place outer rim and the horizontal seat cushion steel wire of Article 2 be symmetrically arranged two the upset hold-down mechanisms of axis, some positioners that at least one matches for the vertical hold-down mechanism of the fixing horizontal seat cushion steel wire of backrest place's outer rim, with overturn hold-down mechanism and vertical hold-down mechanism, for locating " U " type positioner of backrest place Article 2 transverse steel wire; For two slip hold-down mechanisms of the fixing horizontal seat cushion steel wire of backrest place's Article 3 and the some positioners that coordinate with it; For some positioners of fixing the vertical hold-down mechanism of the 4th transverse steel wire in backrest place and coordinating with it; The some positioners that are the vertical hold-down mechanism of deformed wire and coordinate with it for the vertical hold-down mechanism of fixing backrest place left side longitudinal steel wire, for right side, fixing backrest place.
The present invention is the difference at the required bearing strength of zones of different according to rear seat cushions of car skeleton, the steel wire weld demand of taking the required intensity of region diverse location and comfort level according to seat cushion is carried out arrangement and the layout of weld jig, and use different fixtures in zones of different, be convenient to that welding robot is can be in the selection radius of its welding arm disposable completes welding job, need not carry out again the operations such as the artificial repair welding of secondary.Be divided into three regions by taking zoning according to rear row seat pad on the base plate pedestal of the weld jig at automobile rear seat cushion steel-wire carcass, and in three regions, be provided with altogether one to nine corresponding fixture, fixture is to carry out the Numerical Distribution of Design Orientation point according to the size model of steel wire, both guaranteed the accuracy of location, realize again the reasonable distribution of cylinder hinge, meet the requirement of strength of seat cushions, can meet again the requirement of people to seat cushions comfort level, meet human engineering mechanics's requirement, simultaneously, slide mechanism and upset retaining mechanism are set on weld jig, not only realize the guiding movement of anchor point, do not keep off welding gun, and compress, locate more stable, applicability is wide, welding quality and the production efficiency of workpiece are improved.
Preferably, described vertical hold-down mechanism comprises: cylinder, cylinder piston connecting rod, Connection Block, depression bar, depression bar supporting seat, inverted T shape steel wire mount pad, the top of described steel wire mount pad is provided with steel wire frock groove, and top and depression bar one end of described cylinder piston connecting rod are hinged, and the other end of depression bar covers actively on the steel wire frock groove of inverted T shape steel wire mount pad, described Connection Block is also provided with depression bar supporting seat, depression bar supporting seat is provided with hinge bar, one end of hinge bar and the middle part of depression bar are hinged, the top of the other end and depression bar supporting seat is hinged, vertical hold-down mechanism is to drive cylinder piston connecting rod to move by cylinder, and then drive depression bar to move, and the steel wire in steel wire frock groove on inverted T shape steel wire mount pad is compressed, vertical hold-down mechanism is in the first fixture of this weld jig, the 3rd fixture, the 4th fixture, the 5th fixture, the 6th fixture, the 7th fixture, the 8th fixture, in the 9th fixture, all there is setting, it is modal a kind of hold-down mechanism on this weld jig, be mainly used on fixture linearly, without the gradient, and the clamping of the steel wire of level location.
Preferably, described upset hold-down mechanism comprises: supporting and location seat, air cylinder device, cylinder-pressing cantilever mount pad, compression cantilever and upset pressure strip, supporting and location seat is fixedly connected on base plate pedestal, described compression cantilever mount pad is hinged with the tail end that compresses cantilever, the front end that compresses cantilever is connected with upset pressure strip, upset pressure strip comprises the first location-plate, the second location-plate and the 3rd location-plate, the second location-plate and the 3rd location-plate are fixedly connected on the both sides of the first location-plate, the first location-plate is located at the bottom that compresses cantilever, the first location-plate is provided with the translot of positioning workpieces, the second location-plate and the 3rd location-plate have all been disposed radially steel wire storage tank, the below of the first location-plate is provided with limited support post, limited support post comprises three tetragonal bodies of falling T-shape that are angular distribution, the top of the tetragonal body of falling T-shape is provided with steel wire trough, its steel wire trough respectively with the translot of the first location-plate positioning workpieces, the second location-plate is vertically corresponding with steel wire storage tank radially on the 3rd location-plate, bottom is bolted to connection in the top of the base plate pedestal upper limit support column of weld jig and is provided with steel wire trough, the bottom of limited support post is fixedly connected on base plate pedestal, air cylinder device comprises cylinder supports seat, cylinder, cylinder piston connecting rod, described cylinder is positioned on cylinder supports seat, one end of cylinder piston connecting rod is connected with cylinder piston, the other end is hinged with compression cantilever, upset hold-down mechanism is in the 6th fixture of this weld jig, in the 9th fixture, all there is setting, be mainly used in the outer rim steel wire at fixed car backrest place, and the steel wire storage tank on the second location-plate and the 3rd location-plate is for the tip of fixing steel wire, because the outer rim steel wire at backrest place connects backrest, the pressure that bear at this place and stress are comparatively concentrated, so the steel wire at this place is thicker steel wire, and steel wire diameter can reach 7～8 millimeters conventionally, adopt the compression cantilever of upset hold-down mechanism to carry out pre-pressing to steel wire, drive compression cantilever finally to compress steel wire by cylinder again, make to compress, locate more stable.
Preferably, described side-stand type hold-down mechanism comprises: cylinder, cylinder piston connecting rod, cylinder Connection Block, depression bar, depression bar supporting seat, steel wire mount pad; The top of described steel wire mount pad is provided with steel wire frock groove, and top and depression bar one end of described cylinder piston connecting rod are hinged, and the other end of depression bar covers actively on the steel wire frock groove of steel wire mount pad; Described Connection Block is also provided with depression bar supporting seat, and depression bar supporting seat is provided with hinge bar, and one end of hinge bar and the middle part of depression bar are hinged, and the top of the other end and depression bar supporting seat is hinged; The interior angle of described cylinder, cylinder Connection Block and base plate pedestal is acute angle angle; The bottom land of the end face of described steel wire mount pad and steel wire frock groove is parallel with the bottom surface of cylinder Connection Block, side-stand type hold-down mechanism is to drive cylinder piston connecting rod to move by cylinder, and then drive depression bar to move, and the steel wire in steel wire frock groove on steel wire mount pad is compressed, side-stand type hold-down mechanism all has setting in the first fixture of this weld jig, the second fixture, the 4th fixture, the 8th fixture, for being the clamping location of steel wire of U-shaped bending or inclination on fixture.
Preferably, described slip hold-down mechanism comprises: cylinder, cylinder supports seat, cylinder piston connecting rod, flexible registration arm, flexible registration arm supporting seat, between described cylinder piston connecting rod and flexible registration arm, be connected by flexible member, described flexible registration arm supporting seat is provided with sliding tray or the sliding eye along flexible member stretching motion for flexible registration arm, the front end of described flexible registration arm is provided with steel wire mount pad, described steel wire mount pad is provided with for steel wire mounting groove, steel wire mounting groove on slip hold-down mechanism is clamping steel wire first, steel wire in steel wire mounting groove is welded, after steel wire weld, drive cylinder piston connecting rod to move by cylinder, and then the flexible registration arm that drives flexible member to connect can be done moving horizontally radially in sliding tray, thereby around giving, on steel wire, other the solder joint places that need to weld reserve larger space, do not keep off welding gun, slip hold-down mechanism all has setting in the 3rd fixture of this weld jig and the 9th fixture, be used for the clamping location of the steel wire that is three-dimensional inclination on fixture.
Preferably, described compression cantilever mount pad comprises: pedestal, limited block, and it is hinged by bearing pin and pedestal that described compression cantilever mount pad is provided with the stopper slot, the compression cantilever that match with described compression cantilever, and its part arm body is positioned at this stopper slot, the afterbody of pedestal is provided with and limits the limited block that compresses cantilever counter-rotating, the compression cantilever tail end that is arranged in pedestal is provided with is convenient to compress the curved surfaces that cantilever rotates, described compression cantilever tail end bottom is provided with wedge shape inclined-plane, described piston brace rod is provided with the wedge shaped projection matching with this wedge shape inclined-plane, upset hold-down mechanism is by first steel wire being placed in the steel wire trough on the tetragonal body of falling T-shape, compression cantilever-rotating is put down, the pressure strip that makes to overturn can carry out pre-pressing to the steel wire on limited support post, then drive cylinder piston connecting rod to move by cylinder, be provided with wedge shape inclined-plane owing to compressing cantilever tail end bottom, piston brace rod is provided with the wedge shaped projection matching with this wedge shape inclined-plane, make the wedge shaped projection energy being connected with piston brace rod along the conical surface upward sliding tilting, and compress compression cantilever downwards, and then the pressure strip that makes to overturn can finally compress the steel wire on limited support post.
Preferably, described side-stand type hold-down mechanism also comprises cylinder supports seat, described cylinder supports seat is " L " type, cylinder Connection Block is connected with the vertical supporting seat of cylinder supports seat, the base of described cylinder supports seat is fixedly connected with base plate pedestal, cylinder supports seat is " L " type, cylinder is located on cylinder supports seat, make cylinder also in tilting, in the time of the steel wire of location inclination, cylinder drives cylinder piston connecting rod to move, and then drives depression bar to move, and the steel wire in steel wire frock groove is carried out to the compression on vertical direction.
Preferably, the steel wire frock groove of described steel wire mount pad is arranged on dismountable wedge, and the end face of described wedge is parallel with the end face of cylinder Connection Block, is convenient to depression bar the steel wire in steel wire frock groove is carried out to the compression on vertical direction.
Preferably, described flexible registration arm is provided with cylinder piston connecting rod stopper slot, described cylinder piston connecting rod is provided with the limited block matching, utilize cylinder piston connecting rod stopper slot, limited block to cylinder piston connecting rod the radial level in sliding tray move carry out spacing.
Preferably, described steel wire mount pad is for removably connecting, easy accessibility.
Brief description of the drawings
Fig. 1 is the structural representation of the weld jig embodiment of automobile rear seat cushion steel-wire carcass of the present invention;
Fig. 2 is the partial view of the right pedestal of weld jig embodiment of automobile rear seat cushion steel-wire carcass of the present invention;
Fig. 3 is the partial view of the left pedestal of weld jig embodiment of automobile rear seat cushion steel-wire carcass of the present invention;
Fig. 4 is the partial view of the weld jig embodiment middle part pedestal of automobile rear seat cushion steel-wire carcass of the present invention;
Fig. 5 is the partial view of weld jig embodiment first fixture of automobile rear seat cushion steel-wire carcass of the present invention;
Fig. 6 is the partial view of weld jig embodiment second fixture of automobile rear seat cushion steel-wire carcass of the present invention;
Fig. 7 is the partial view of weld jig embodiment the 3rd fixture of automobile rear seat cushion steel-wire carcass of the present invention;
Fig. 8 is the partial view of weld jig embodiment the 4th fixture of automobile rear seat cushion steel-wire carcass of the present invention;
Fig. 9 is the partial view of weld jig embodiment the 5th fixture of automobile rear seat cushion steel-wire carcass of the present invention;
Figure 10 is the partial view of weld jig embodiment the 6th fixture of automobile rear seat cushion steel-wire carcass of the present invention;
Figure 11 is the partial view of weld jig embodiment the 7th fixture of automobile rear seat cushion steel-wire carcass of the present invention;
Figure 12 is the partial view of weld jig embodiment the 8th fixture of automobile rear seat cushion steel-wire carcass of the present invention;
Figure 13 is the partial view of weld jig embodiment the 9th fixture of automobile rear seat cushion steel-wire carcass of the present invention;
Figure 14 is the structural representation of the vertical hold-down mechanism of weld jig embodiment of automobile rear seat cushion steel-wire carcass of the present invention;
Figure 15 is the overturn structural representation of hold-down mechanism of the weld jig embodiment of automobile rear seat cushion steel-wire carcass of the present invention;
Figure 16 is the structural representation of the weld jig embodiment side-stand type hold-down mechanism of automobile rear seat cushion steel-wire carcass of the present invention;
Figure 17 is the slide structural representation of hold-down mechanism of the weld jig embodiment of automobile rear seat cushion steel-wire carcass of the present invention;
Figure 18 is the structural representation of weld jig embodiment " U " the type positioner of automobile rear seat cushion steel-wire carcass of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
As shown in Figure 1 to 4, the weld jig of automobile rear seat cushion steel-wire carcass, it comprises base plate pedestal 1, base plate pedestal 1 is taken and is divided into three regions according to rear row seat pad, be the left and right pedestal 2 being symmetrical set, and middle part pedestal 3 between left and right pedestal, left, on right pedestal, be arranged with lower device: for a fixing seat cushion left side, the first fixture 4 of right both sides radially outer edge and inner edge steel wire, for a left side, the fixing seat cushion left and right sides, the second fixture 5 of right circular arc portion outer rim and inner edge steel wire, for fixing left, right seat cushion is put the 3rd fixture 6 of shank outer rim and inner edge steel wire, for a fixing seat cushion left side, the 4th fixture 7 of region buttocks supporting steel wire is taken on the right side, for a fixing seat cushion left side, the 5th fixture 8 of the transition steel wire of right both sides seat cushion and backrest, for a fixing seat cushion left side, the 6th fixture 9 of the right side and backrest place steel wire, middle part pedestal 3 comprises for fixing middle part to be put the 7th fixture 10 of shank outer rim and inner edge steel wire, takes the 8th fixture 11 of region buttocks supporting steel wire, the 9th fixture 12 for backrest place, fixing middle part steel wire for fixing middle part,
As Fig. 5, shown in Figure 14, the first fixture 4 comprises: five vertical hold-down mechanisms 401 for fixing seat cushion outer rim steel wire, two side-stand type hold-down mechanisms 402 for fixing seat cushion inner edge steel wire, and the positioner 403 matching with vertical hold-down mechanism 401 or side-stand type hold-down mechanism 402, positioner 403 is for falling the tetragonal body of T-shape, the top of positioner 403 is provided with steel wire trough, the bottom of positioner 403 is bolted on the base plate pedestal 1 of weld jig, vertical hold-down mechanism 401 comprises: cylinder 1301, cylinder piston connecting rod 1302, Connection Block 1303, depression bar 1304, depression bar supporting seat 1305, steel wire mount pad 1306, the top of steel wire mount pad 1306 is provided with steel wire frock groove 1307, and the top of cylinder piston connecting rod 1302 and depression bar 1304 one end are hinged, and the other end of depression bar 1304 covers actively on the steel wire frock groove 1307 of steel wire mount pad 1306, Connection Block 1303 is also provided with depression bar supporting seat 1308, depression bar supporting seat 1308 is provided with hinge bar 1309, the middle part of one end of hinge bar 1309 and depression bar 1304 is hinged, the top of the other end and depression bar supporting seat 1308 is hinged, vertical hold-down mechanism 401 is to drive cylinder piston connecting rod 1302 to move by cylinder 1301, and then drive depression bar 1304 to move, and the steel wire in steel wire frock groove 1307 on steel wire mount pad 1306 is compressed, for in the first fixture 4 linearly, without the gradient, and the clamping of the steel wire of level location,
As Fig. 6, shown in Figure 16, the second fixture 5 comprises: two for fixing the side-stand type hold-down mechanism 501 of arc inner edge steel wire and the positioner 502 matching, one for locating the positioner 503 of outer rim steel wire and two for locating the positioner 503 of inner edge steel wire, positioner 502 and positioner 503 are down the tetragonal body of T-shape, the top of positioner 502 and positioner 503 is respectively arranged with steel wire trough, its bottom is bolted on the base plate pedestal 1 of weld jig, side-stand type hold-down mechanism 501 comprises: cylinder 1501, cylinder piston connecting rod 1502, cylinder Connection Block 1503, depression bar 1504, depression bar supporting seat 1505, steel wire mount pad 1506, cylinder supports seat 1510, , the top of steel wire mount pad 1506 is provided with steel wire frock groove 1507, and the top of cylinder piston connecting rod 1502 and depression bar 1504 one end are hinged, and the other end of depression bar 1504 covers actively on the steel wire frock groove 1507 of steel wire mount pad 1506, cylinder Connection Block 1503 is also provided with depression bar supporting seat 1505, and depression bar supporting seat 1505 is provided with hinge bar 1509, and the middle part of one end of hinge bar 1509 and depression bar 1504 is hinged, and the top of the other end and depression bar supporting seat 1505 is hinged, the interior angle of cylinder 1501, cylinder Connection Block 1503 and base plate pedestal 1 is the angle of 60 degree, the bottom land of the end face of steel wire mount pad 1506 and steel wire frock groove 1507 is parallel with the bottom surface of cylinder Connection Block 1503, cylinder supports seat 1510 is " L " type, cylinder Connection Block 1503 is connected with the vertical supporting seat of cylinder supports seat 1510, the base of cylinder supports seat 1510 is fixedly connected with base plate pedestal 1, the steel wire frock groove of steel wire mount pad 1506 is arranged on bolted wedge 1511, the end face of wedge 1511 is parallel with the end face of cylinder Connection Block 1503, side-stand type hold-down mechanism 501 is to drive cylinder piston connecting rod 1502 to move by cylinder 1501, and then drive depression bar 1504 to move, and the steel wire in steel wire frock groove 1507 on steel wire mount pad 1506 is compressed, cylinder supports seat 1510 is " L " type, cylinder 1501 is located on cylinder supports seat 1510, make cylinder 1501 also in tilting, in the time of the steel wire of location inclination, cylinder 1501 drives cylinder piston connecting rod 1502 to move, and then drive depression bar 1504 to move, and the steel wire in steel wire frock groove 1507 is carried out to the compression on vertical direction, be used for the clamping location of the steel wire that is U-shaped bending or inclination in the second fixture 5,
As Fig. 7, shown in Figure 17, the 3rd fixture 6 comprises: two positioners 602 of putting the vertical hold-down mechanism 601 of shank outer rim steel wire and coordinating with it for fixing seat cushion, a positioner 604 for fixedly putting the slip hold-down mechanism 603 of shank inner edge steel wire and coordinating with it, four for fixedly putting the vertical hold-down mechanism 605 of shank inner edge steel wire, positioner 602 and positioner 604 are down the tetragonal body of T-shape, the top of positioner 602 and positioner 604 is respectively arranged with steel wire trough, its bottom is bolted on the base plate pedestal 1 of weld jig, slip hold-down mechanism 603 comprises: cylinder 1601, cylinder supports seat 1602, cylinder piston connecting rod 1603, flexible registration arm 1604, flexible registration arm supporting seat 1605, between cylinder piston connecting rod 1603 and flexible registration arm 1604, be connected by spring 1606, flexible registration arm supporting seat 1605 is provided with the sliding tray along spring 1606 stretching motions for flexible registration arm 1604, the front end of flexible registration arm 1604 is provided with steel wire mount pad 1607, steel wire mount pad 1607 is provided with for steel wire mounting groove 1608, flexible registration arm 1604 is provided with the stopper slot 1609 of cylinder piston connecting rod 1603, cylinder piston connecting rod 1603 is provided with the limited block matching, steel wire mount pad 1607 is bolt connection, first clamping steel wire of steel wire mounting groove 1608 on slip hold-down mechanism 603, steel wire in steel wire mounting groove 1608 is welded, after steel wire weld, drive cylinder piston connecting rod 1603 to move by cylinder 1601, and then the flexible registration arm 1604 that drives spring to connect can be done moving horizontally radially in sliding tray, thereby around giving, on steel wire, other the solder joint places that need to weld reserve larger space, do not keep off welding gun, be used for the clamping location of the steel wire that is three-dimensional inclination in the 3rd fixture 6,
As shown in Figure 8, the 4th fixture 7 comprises: a side-stand type hold-down mechanism 701 for fixed radial steel wire, two vertical hold-down mechanisms 702 for fixed radial steel wire, and the positioner 703 mating with side-stand type hold-down mechanism 701 and vertical hold-down mechanism 702 respectively, positioner 703 is for falling the tetragonal body of T-shape, the top of positioner 703 is provided with steel wire trough, its bottom is bolted on the base plate pedestal 1 of weld jig, the structure of side-stand type hold-down mechanism 701 and side-stand type hold-down mechanism 501 is identical with operation principle, the clamping location of the steel wire that side-stand type hold-down mechanism 701 tilts for the 4th fixture 7, the structure of vertical hold-down mechanism 702 and vertical hold-down mechanism 401 is identical with operation principle, vertical hold-down mechanism 702 is for the clamping location of the steel wire of horizontal radial in the 4th fixture 7,
As shown in Figure 9, the 5th fixture 8 comprises: two vertical hold-down mechanisms 801 for fixing seat cushion outer rim steel wire, a vertical hold-down mechanism 801 for fixing seat cushion inner edge steel wire, and the positioner 802 matching with vertical hold-down mechanism 801, the structure of vertical hold-down mechanism 801 and vertical hold-down mechanism 401 is identical with operation principle, and vertical hold-down mechanism 801 is for the clamping location of the steel wire of horizontal radial in the 5th fixture 8;
As Figure 10, shown in Figure 15, the 6th fixture 9 comprises: three vertical hold-down mechanisms 901 for fixed car backrest place inner edge steel wire and the positioner 902 matching, two upset hold-down mechanisms 903 for fixed car backrest place outer rim steel wire, the positioner 904 matching with this upset hold-down mechanism 903, positioner 902 and positioner 904 are down the tetragonal body of T-shape, the top of positioner 902 and positioner 904 is respectively arranged with steel wire trough, its bottom is bolted on the base plate pedestal 1 of weld jig, upset hold-down mechanism 903 comprises: supporting and location seat 1401, air cylinder device 1402, cylinder-pressing cantilever mount pad 1403, compress cantilever 1404 and upset pressure strip 1405, supporting and location seat 1401 is fixedly connected on base plate pedestal 1, compress cantilever mount pad 1403 hinged with the tail end that compresses cantilever 1404, the front end that compresses cantilever 1404 is connected with upset pressure strip 1405, upset pressure strip 1405 comprises the first location-plate 1405-1, the second location-plate 1405-2 and the 3rd location-plate 1405-3, the second location-plate 1405-2 and the 3rd location-plate 1405-3 are fixedly connected on the both sides of the first location-plate 1405-1, the first location-plate 1405-1 is located at the bottom that compresses cantilever 1404, the first location-plate 1405-1 is provided with the translot of positioning workpieces, the second location-plate 1405-2 and the 3rd location-plate 1405-3 have all been disposed radially steel wire storage tank, the below of the first location-plate 1405-1 is provided with limited support post 1408, limited support post 1408 comprises three tetragonal bodies of falling T-shape that are angular distribution, the top of the tetragonal body of falling T-shape is provided with steel wire trough, its steel wire trough respectively with the translot of the first location-plate 1405-1 positioning workpieces, the second location-plate 1405-2 is vertically corresponding with steel wire storage tank radially on the 3rd location-plate 1405-3, bottom is bolted to connection in the top of the base plate pedestal upper limit support column 1408 of weld jig and is provided with steel wire trough, the bottom of limited support post 1408 is fixedly connected on base plate pedestal 1, air cylinder device 1402 comprises cylinder supports seat 1409, cylinder 1406, cylinder piston connecting rod 1407, cylinder 1406 is positioned on cylinder supports seat 1403, one end of cylinder piston connecting rod 1407 is connected with cylinder piston, the other end and compression cantilever 1404 hinged, compressing cantilever mount pad 1403 comprises: pedestal 1403-1, limited block 1403-2, compress cantilever mount pad 1403 be provided with compress stopper slot that cantilever 1404 matches, to compress cantilever 1404 hinged by bearing pin and pedestal 1403-1, its part arm body is positioned at this stopper slot, the afterbody of pedestal 1403-1 is provided with and limits the limited block 1403-2 that compresses cantilever 1404 counter-rotatings, compression cantilever 1404 tail ends that are arranged in pedestal 1403-1 are provided with is convenient to compress the curved surfaces that cantilever 1404 rotates, compress cantilever 1404 tail end bottoms and be provided with wedge shape inclined-plane, piston brace rod 1407 is provided with the wedge shaped projection matching with this wedge shape inclined-plane, upset hold-down mechanism 903 is by first steel wire being placed in the steel wire trough on the tetragonal body of falling T-shape, 1404 rotations of compression cantilever are put down, the pressure strip 1405 that makes to overturn can carry out pre-pressing to the steel wire on limited support post 1408, then drive cylinder piston connecting rod 1407 to move by cylinder 1406, be provided with wedge shape inclined-plane owing to compressing cantilever 1404 tail end bottoms, cylinder piston connecting rod 1407 is provided with the wedge shaped projection matching with this wedge shape inclined-plane, make the wedge shaped projection energy being connected with cylinder piston connecting rod 1407 along the conical surface upward sliding tilting, and compress downwards compress cantilever 1404, and then the pressure strip 1405 that makes to overturn can finally compress the steel wire on limited support post 1408, steel wire storage tank on the second location-plate 1405-2 and the 3rd location-plate 1405-3 is for the tip of fixing steel wire, because the outer rim steel wire at backrest place connects backrest, the pressure that bear at this place and stress are comparatively concentrated, so the steel wire at this place is thicker steel wire, and steel wire diameter can reach 7～8 millimeters conventionally, adopt the compression cantilever 1404 of upset hold-down mechanism 903 to carry out pre-pressing to steel wire, drive compression cantilever 1404 finally to compress steel wire by cylinder 1406 again, make to compress, locate more stable,
As shown in figure 11, the 7th fixture 10 comprises: two vertical hold-down mechanisms 1001 for fixing seat cushion outer rim steel wire, the positioner 1002 matching, four for fixing the vertical hold-down mechanism 1003 of seat cushion inner edge steel wire and the positioner 1004 matching, positioner 1002 and positioner 1004 are down the tetragonal body of T-shape, the top of positioner 1002 and positioner 1004 is respectively arranged with steel wire trough, its bottom is bolted on the base plate pedestal 1 of weld jig, vertical hold-down mechanism 1001 is identical with structure and the operation principle of vertical hold-down mechanism 401 with vertical hold-down mechanism 1003, vertical hold-down mechanism 1001 and vertical hold-down mechanism 1003 are for the clamping location of the steel wire of horizontal direction in the 7th fixture 10,
As shown in figure 12, the 8th fixture 11 comprises: four for the radially vertical hold-down mechanism 1101 of seat cushion steel wire of two articles of fixing central region, two for locating two radially side-stand type hold-down mechanisms 1102 of cushion steel wire, two vertical hold-down mechanisms 1103 for fixed lateral " S " shaped steel wire and " S " positioner 1104, " S " positioner 1104 is for falling the tetragonal body of T-shape, the top of " S " positioner 1104 is provided with steel wire trough, its bottom is bolted on the base plate pedestal 1 of weld jig, vertical hold-down mechanism 1101 is identical with structure and the operation principle of vertical hold-down mechanism 401 and side-stand type hold-down mechanism 501 respectively with side-stand type hold-down mechanism 1102,
As shown in Figure 13, Figure 18, the 9th fixture 12 comprises: for fix simultaneously the horizontal seat cushion steel wire of backrest place outer rim and the horizontal seat cushion steel wire of Article 2 be symmetrically arranged two upset hold-down mechanisms of axis 1201, three positioner that match for the vertical hold-down mechanism 1202 of the fixing horizontal seat cushion steel wire of backrest place's outer rim and with upset hold-down mechanism 1201 and vertical hold-down mechanism 1,202 1203, one for locating " U " type positioner 1204 of backrest place Article 2 transverse steel wire; For two slip hold-down mechanisms 1205 of the fixing horizontal seat cushion steel wire of backrest place's Article 3 and two positioners 1206 that coordinate with it; A positioner 1208 for fixing the vertical hold-down mechanism 1207 of the 4th transverse steel wire in backrest place and coordinating with it; A vertical hold-down mechanism 1209 for fixing backrest place left side longitudinal steel wire, a positioner 1211 that is the vertical hold-down mechanism 1210 of deformed wire and coordinates with it for right side, fixing backrest place, vertical hold-down mechanism 1202, vertical hold-down mechanism 1207, vertical hold-down mechanism 1209 are all identical with structure and the operation principle of vertical hold-down mechanism 401, and slip hold-down mechanism 1205 is identical with structure and the operation principle of slip hold-down mechanism 603.
In the present embodiment, vertical hold-down mechanism and side-stand type hold-down mechanism are to drive cylinder piston connecting rod to move by cylinder, and then drive depression bar to push down the steel wire in steel wire frock groove on steel wire mount pad, upset hold-down mechanism 903 is by first steel wire being placed in the steel wire trough on the tetragonal body of falling T-shape, 1404 rotations of compression cantilever are put down, the pressure strip 1405 that makes to overturn can carry out pre-pressing to the steel wire on limited support post 1408, then drive cylinder piston connecting rod 1407 to move by cylinder 1406, be provided with wedge shape inclined-plane owing to compressing cantilever 1404 tail end bottoms, cylinder piston connecting rod 1407 is provided with the wedge shaped projection matching with this wedge shape inclined-plane, make the wedge shaped projection energy being connected with cylinder piston connecting rod 1407 along the conical surface upward sliding tilting, and compress downwards compress cantilever 1404, and then the pressure strip 1405 that makes to overturn can finally compress the steel wire on limited support post 1408, steel wire storage tank on the second location-plate 1405-2 and the 3rd location-plate 1405-3 is for the tip of fixing steel wire, because the outer rim steel wire at backrest place connects backrest, the pressure that bear at this place and stress are comparatively concentrated, so the steel wire at this place is thicker steel wire, and steel wire diameter can reach 7～8 millimeters conventionally, adopt the compression cantilever 1404 of upset hold-down mechanism 903 to carry out pre-pressing to steel wire, drive compression cantilever 1404 finally to compress steel wire by cylinder 1406 again, make to compress, locate more stable, first clamping steel wire of steel wire mounting groove 1608 on slip hold-down mechanism 603, steel wire in steel wire mounting groove 1608 is welded, after steel wire weld, drive cylinder piston connecting rod 1603 to move by cylinder 1601, and then the flexible registration arm 1604 that drives spring to connect can be done moving horizontally radially in sliding tray, thereby around giving, on steel wire, other the solder joint places that need to weld reserve larger space, do not keep off welding gun, in the 3rd fixture 6, be three-dimensional tilt the clamping location of steel wire, the present invention is the difference at the required bearing strength of zones of different according to rear seat cushions of car skeleton, the steel wire weld demand of taking the required intensity of region diverse location and comfort level according to seat cushion is carried out arrangement and the layout of weld jig, and use different fixtures in zones of different, be convenient to that welding robot is can be in the selection radius of its welding arm disposable completes welding job, need not carry out again the operations such as the artificial repair welding of secondary.Be divided into three regions by taking zoning according to rear row seat pad on the base plate pedestal of the weld jig at automobile rear seat cushion steel-wire carcass, and in three regions, be provided with altogether one to nine corresponding fixture, fixture is to carry out the Numerical Distribution of Design Orientation point according to the size model of steel wire, both guaranteed the accuracy of location, realize again the reasonable distribution of cylinder hinge, meet the requirement of strength of seat cushions, can meet again the requirement of people to seat cushions comfort level, meet human engineering mechanics's requirement, simultaneously, slide mechanism and upset retaining mechanism are set on weld jig, not only realize the guiding movement of anchor point, do not keep off welding gun, and compress, locate more stable, applicability is wide, welding quality and the production efficiency of workpiece are improved.
Above-described is only the preferred embodiment of the present invention; should be understood that; for a person skilled in the art; do not departing under the prerequisite of structure of the present invention; can also make some distortion and improvement; these also should be considered as protection scope of the present invention, and these can not affect effect of the invention process and practical applicability.
Claims (10)
1. the weld jig of automobile rear seat cushion steel-wire carcass, it is characterized in that: it comprises base plate pedestal (1), described base plate pedestal (1) is taken and is divided into three regions according to rear row seat pad, be the left and right pedestal (2) being symmetrical set, and middle part pedestal (3) between left and right pedestal, a described left side, on right pedestal, be arranged with lower device: for a fixing seat cushion left side, first fixture (4) of right both sides radially outer edge and inner edge steel wire, for a fixing seat cushion left side, a left side, right both sides, second fixture (5) of right circular arc portion outer rim and inner edge steel wire, for fixing left, right seat cushion is put the 3rd fixture (6) of shank outer rim and inner edge steel wire, for a fixing seat cushion left side, the 4th fixture (7) of region buttocks supporting steel wire is taken on the right side, for a fixing seat cushion left side, the 5th fixture (8) of the transition steel wire of right both sides seat cushion and backrest, for a fixing seat cushion left side, the 6th fixture (9) of the right side and backrest place steel wire, described middle part pedestal (3) is provided with for fixing middle part and puts the 7th fixture (10) of shank outer rim and inner edge steel wire, takes the 8th fixture (11) of region buttocks supporting steel wire, the 9th fixture (12) for backrest place, fixing middle part steel wire for fixing middle part,
Described the first fixture (4) comprising: at least one vertical hold-down mechanism (401) for fixing seat cushion outer rim steel wire, at least one side-stand type hold-down mechanism (402) for fixing seat cushion inner edge steel wire and the positioner (403) matching with vertical hold-down mechanism (401) or side-stand type hold-down mechanism (402);
Described the second fixture (5) comprising: at least one side-stand type hold-down mechanism (501) for fixing arc inner edge steel wire and the positioner (502) matching, for locating the positioner (503) of inner edge steel wire and outer rim steel wire;
The 3rd described fixture (6) comprising: at least one for fixing seat cushion put the vertical hold-down mechanism (601) of shank outer rim steel wire and the positioner (602) coordinating with it, at least one for fixedly put the slip hold-down mechanism (603) of shank inner edge steel wire and cooperation with it positioner (604), at least one is for fixedly putting the vertical hold-down mechanism (605) of shank inner edge steel wire;
Described the 4th fixture (7) comprising: at least one side-stand type hold-down mechanism (701) for fixed radial steel wire, at least one vertical hold-down mechanism (702) for fixed radial steel wire, and the some positioners (703) that match;
The 5th described fixture (8) comprising: the positioner (802) that at least one vertical hold-down mechanism (801) for fixing seat cushion outer rim steel wire or seat cushion inner edge steel wire, at least one and vertical hold-down mechanism (801) match;
The 6th described fixture (9) comprising: at least one vertical hold-down mechanism (901) for fixed car backrest place inner edge steel wire and the positioner (902) matching, at least one upset hold-down mechanism (903) for fixed car backrest place outer rim steel wire, the positioner (904) matching with this upset hold-down mechanism (903);
The 7th described fixture (10) comprising: at least one vertical hold-down mechanism (1001) for fixing seat cushion outer rim steel wire, the positioner (1002) matching, at least one vertical hold-down mechanism (1003) for fixing seat cushion inner edge steel wire and the positioner (1004) matching;
The 8th described fixture (11) comprising: at least four for the radially vertical hold-down mechanism (1101), some for locating two articles of radially side-stand type hold-down mechanism (1102), two vertical hold-down mechanisms (1103) for fixed lateral " S " shaped steel wire and " S " positioners (1104) of cushion steel wire of seat cushion steel wire of two articles of fixing central region;
The 9th described fixture (12) comprising: be symmetrically arranged two the upset hold-down mechanisms of axis (1201) for what fix the horizontal seat cushion steel wire of backrest place outer rim and the horizontal seat cushion steel wire of Article 2 simultaneously, at least one is for the vertical hold-down mechanism (1202) of the fixing horizontal seat cushion steel wire of backrest place's outer rim, the some positioners (1203) that match with upset hold-down mechanism (1201) and vertical hold-down mechanism (1202), for locating " U " type positioner (1204) of backrest place Article 2 transverse steel wire, for some positioners (1206) of fixing two slip hold-down mechanisms (1205) of the horizontal seat cushion steel wire of backrest place's Article 3 and coordinating with it, for some positioners (1208) of fixing the vertical hold-down mechanism (1207) of the 4th transverse steel wire in backrest place and coordinating with it, the some positioners (1211) that are the vertical hold-down mechanism (1210) of deformed wire and coordinate with it for the vertical hold-down mechanism (1209) of fixing backrest place left side longitudinal steel wire, for right side, fixing backrest place.
2. the weld jig of automobile rear seat cushion steel-wire carcass as claimed in claim 1, is characterized in that: described vertical hold-down mechanism comprises: cylinder (1301), cylinder piston connecting rod (1302), Connection Block (1303), depression bar (1304), depression bar supporting seat (1305), steel wire mount pad (1306); The top of described steel wire mount pad is provided with steel wire frock groove (1307), top and depression bar (1304) one end of described cylinder piston connecting rod (1302) are hinged, and the other end of depression bar (1304) covers actively on the steel wire frock groove (1307) of inverted T shape steel wire mount pad (1306); Described Connection Block (1303) is also provided with depression bar supporting seat (1308), and depression bar supporting seat is provided with hinge bar (1309), and the middle part of one end of hinge bar (1309) and depression bar (1304) is hinged, and the top of the other end and depression bar supporting seat (1305) is hinged.
3. the weld jig of automobile rear seat cushion steel-wire carcass as claimed in claim 1, is characterized in that: described upset hold-down mechanism comprises: supporting and location seat (1401), air cylinder device (1402), cylinder-pressing cantilever mount pad (1403), compression cantilever (1404) and upset pressure strip (1405), supporting and location seat (1401) is fixedly connected on base plate pedestal (1), described compression cantilever mount pad (1403) is hinged with the tail end that compresses cantilever (1404), the front end that compresses cantilever is connected with upset pressure strip (1405), upset pressure strip comprises the first location-plate (1405-1), the second location-plate (1405-2) and the 3rd location-plate (1405-3), the second location-plate (1405-2) and the 3rd location-plate (1405-3) are fixedly connected on the both sides of the first location-plate (1405-1), the first location-plate (1405-1) is located at the bottom that compresses cantilever (1404), the first location-plate (1405-1) is provided with the translot of positioning workpieces, the second location-plate (1405-2) has all been disposed radially steel wire storage tank with the 3rd location-plate (1405-3), the below of the first location-plate (1405-1) is provided with limited support post (1408), limited support post (1408) comprises three tetragonal bodies of falling T-shape that are angular distribution, the top of the tetragonal body of falling T-shape is provided with steel wire trough, its steel wire trough respectively with the translot of the first location-plate (1405-1) positioning workpieces, the second location-plate (1405-2) is vertically corresponding with steel wire storage tank radially on the 3rd location-plate (1405-3), bottom is bolted to connection in the top of the base plate pedestal upper limit support column (1408) of weld jig and is provided with steel wire trough, the bottom of limited support post (1408) is fixedly connected on base plate pedestal (1), air cylinder device comprises cylinder supports seat (1409), cylinder (1406), cylinder piston connecting rod (1407), it is upper that described cylinder (1406) is positioned at cylinder supports seat (1403), one end of cylinder piston connecting rod (1407) is connected with cylinder piston connecting rod (1407), the other end and compression cantilever (1404) hinged.
4. the weld jig of automobile rear seat cushion steel-wire carcass as claimed in claim 1, is characterized in that: described side-stand type hold-down mechanism comprises: cylinder (1501), cylinder piston connecting rod (1502), cylinder Connection Block (1503), depression bar (1504), depression bar supporting seat (1505), steel wire mount pad (1506); The top of described steel wire mount pad (1506) is provided with steel wire frock groove (1507), top and depression bar (1504) one end of described cylinder piston connecting rod (1502) are hinged, and the other end of depression bar (1504) covers actively on the steel wire frock groove (1507) of steel wire mount pad (1506); Described cylinder Connection Block (1503) is also provided with depression bar supporting seat (1505), depression bar supporting seat (1505) is provided with hinge bar (1509), the middle part of one end of hinge bar (1509) and depression bar (1504) is hinged, and the top of the other end and depression bar supporting seat (1508) is hinged; Described cylinder (1501), cylinder Connection Block (1503) are acute angle angle with the interior angle of base plate pedestal (1); The bottom land of the end face of described steel wire mount pad (1506) and steel wire frock groove (1507) is parallel with the bottom surface of cylinder Connection Block (1503).
5. the weld jig of automobile rear seat cushion steel-wire carcass as claimed in claim 1, is characterized in that: described slip hold-down mechanism comprises: cylinder (1601), cylinder supports seat (1602), cylinder piston connecting rod (1603), flexible registration arm (1604), flexible registration arm supporting seat (1605); Between described cylinder piston connecting rod (1603) and flexible registration arm (1604), be connected by flexible member (1606), described flexible registration arm supporting seat (1605) is provided with sliding tray or the sliding eye along flexible member (1606) stretching motion for flexible registration arm (1604); The front end of described flexible registration arm (1604) is provided with steel wire mount pad (1607), and described steel wire mount pad (1607) is provided with for steel wire mounting groove (1608).
6. the weld jig of automobile rear seat cushion steel-wire carcass as claimed in claim 3, it is characterized in that: described compression cantilever mount pad (1403) comprising: pedestal (1403-1), limited block (1403-2), it is hinged by bearing pin and pedestal (1403-1) that described compression cantilever mount pad (1403) is provided with the stopper slot, the compression cantilever (1404) that match with described compression cantilever (1404), and its part arm body is positioned at this stopper slot; The afterbody of pedestal (1403-1) is provided with and limits the limited block (1403-2) that compresses cantilever (1404) counter-rotating; Compression cantilever (1404) tail end that is arranged in pedestal (1402) is provided with is convenient to compress the curved surfaces that cantilever (1404) rotates; Described compression cantilever (1404) tail end bottom is provided with wedge shape inclined-plane, and described piston rod (1407) is provided with the wedge shaped projection matching with this wedge shape inclined-plane.
7. the weld jig of automobile rear seat cushion steel-wire carcass as claimed in claim 4, it is characterized in that: also comprise cylinder supports seat (1510), described cylinder supports seat (1510) is " L " type, cylinder Connection Block (1503) is connected with the vertical supporting seat of cylinder supports seat (1510), and the base of described cylinder supports seat (1510) is fixedly connected with base plate pedestal (1).
8. the weld jig of automobile rear seat cushion steel-wire carcass as claimed in claim 4, it is characterized in that: it is upper that the steel wire frock groove (1507) of described steel wire mount pad (1506) is arranged at dismountable wedge (1511), and the end face of described wedge (1511) is parallel with the end face of cylinder Connection Block (1503).
9. the weld jig of automobile rear seat cushion steel-wire carcass as claimed in claim 5, it is characterized in that: described flexible registration arm (1604) is provided with cylinder piston connecting rod stopper slot (1609), described cylinder piston connecting rod (1603) is provided with the limited block matching.
10. the weld jig of automobile rear seat cushion steel-wire carcass as claimed in claim 5, is characterized in that: described steel wire mount pad (1607) is for removably connecting.
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