CN110369846A - Puppet's welding mechanism - Google Patents

Puppet's welding mechanism Download PDF

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Publication number
CN110369846A
CN110369846A CN201910698676.5A CN201910698676A CN110369846A CN 110369846 A CN110369846 A CN 110369846A CN 201910698676 A CN201910698676 A CN 201910698676A CN 110369846 A CN110369846 A CN 110369846A
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CN
China
Prior art keywords
electrode
swing arm
puppet
welding
threaded hole
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Granted
Application number
CN201910698676.5A
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Chinese (zh)
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CN110369846B (en
Inventor
郭峰
张文朋
许立国
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Chery Automobile Co Ltd
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SAIC Chery Automobile Co Ltd
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Priority to CN201910698676.5A priority Critical patent/CN110369846B/en
Publication of CN110369846A publication Critical patent/CN110369846A/en
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Publication of CN110369846B publication Critical patent/CN110369846B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00Resistance welding; Severing by resistance heating
    • B23K11/10Spot welding; Stitch welding
    • B23K11/11Spot welding
    • B23K11/115Spot welding by means of two electrodes placed opposite one another on both sides of the welded parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00Resistance welding; Severing by resistance heating
    • B23K11/30Features relating to electrodes
    • B23K11/31Electrode holders and actuating devices therefor

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Resistance Welding (AREA)
  • Electrotherapy Devices (AREA)

Abstract

The invention discloses a kind of puppet's welding mechanisms, belong to welding and assembling production lines frock clamp field.It include: first base, the first cylinder, electrode swing arm, first electrode connection component, multiple first electrodes, second base and multiple second electrodes.The solder joint between first electrode and second electrode is welded in multiple second electrodes and the realization of multiple first electrodes.When puppet's welding structure needs the solder joint to multiple and different positions to weld, more first electrodes can be connected by increase dismountable first electrode connection component.When the position rotation that electrode swing arm is welded to needs, interfere if first electrode connection component and positioning mechanism are formed, first electrode connection component can be interfered to pass through electrode swing arm by removing to be formed with positioning mechanism, it reinstalls and positions again after electrode swing arm is mobile in place, it avoids puppet's welding mechanism and positioning mechanism from being formed to interfere, it realizes and the solder joint of multiple and different positions is welded simultaneously, improve welding efficiency.

Description

Puppet's welding mechanism
Technical field
The present invention relates to car body welding producing line frock clamp field, in particular to a kind of puppet's welding mechanism.
Background technique
With the aggravation that automobile industry competes, the requirement to vehicle configuration is higher and higher, and automotive body structure is more and more multiple It is miscellaneous, add man-hour requirement to carry out clamping using multiple soldering cramping apparatus positioning mechanisms, and then cause to weld space reduction, common soldering turret exists Interfere in operating process with clamp mechanism, weld job can not be carried out, need to weld using puppet's welding mechanism.
Puppet's weldering is not smooth to weld pass on production line by extraneous human weld, and common soldering turret is unweldable A kind of welding that part carries out.Currently, existing puppet's welding mechanism is will be above and below soldering turret for the welding lesser solder joint in space Electrode is separately fixed in the auxiliary body of split settings, is drawn soldering turret to the position for the part for needing to weld by auxiliary body It sets, to complete to weld.
The solder joint that vehicle body often has multiple positions different in processing, to be welded simultaneously to multiple solder joints Connect, the auxiliary body of puppet's welding mechanism needs to draw multiple electrodes simultaneously, such design will increase auxiliary body volume and The space occupied, due to welding space it is smaller, puppet's welding mechanism in the stroke that electrode is drawn to bond pad locations with localization machine Structure still will form interference, in order to avoid interference, can only reduce the number of electrodes that puppet's welding mechanism is drawn, be performed in multiple times weldering It connects, causes welding efficiency low.
Summary of the invention
The embodiment of the invention provides a kind of puppet's welding mechanisms, can be improved the welding efficiency of puppet's welding mechanism, the skill Art scheme is as follows:
The embodiment of the invention provides a kind of puppet's welding mechanisms, comprising:
First base;
First cylinder, first cylinder are located in the first base;
One end of electrode swing arm, the electrode swing arm is hinged by first rotating shaft and the first base, the electrode pendulum One end of arm is hinged by the second shaft and the cylinder rod of first cylinder;
First electrode connection component, the first electrode connection component are detachably connected with the electrode swing arm;
Multiple first electrodes, first part's first electrode in the multiple first electrode are connect with the electrode swing arm, Second part first electrode in the multiple first electrode is connect with the first electrode connection component, the second part One electrode is the first electrode in the multiple first electrode other than first part's first electrode;
Second base, the second base and the first base arranged for interval;
Multiple second electrodes, the multiple second electrode are located in the second base, the multiple second electrode and institute Multiple first electrodes are stated to correspond.
Optionally, the first electrode connection component includes transition block and mounting blocks, and the transition block is L-shaped, the mistake Crossing block includes the first side plate and the second side plate connected vertically, have on first side plate at least 2 groups along first direction interval First threaded hole of distribution, the first direction are arrangement side of the first part's first electrode in the electrode swing arm To,
First threaded hole described in every group includes the first threaded hole described at least two, the electrode swing arm have with it is described extremely Few corresponding second threaded hole of 2 the first threaded holes, the mounting blocks are connect with the second side plate of the transition block, and described second Part first electrode is mounted on the mounting blocks.
Optionally, the mounting blocks are L-shaped, and the mounting blocks include the first side plate and the second side plate connected vertically, institute The first side plate is stated at least 2 groups third threaded holes being spaced apart in a second direction, the second direction and the first party To vertical,
Third threaded hole described in every group includes third threaded hole described at least two, and the second side plate of the transition block has The 4th threaded hole corresponding at least two third threaded hole.
Optionally, there is adjustment tank, the adjustment tank is in bar shaped, the extending direction of the adjustment tank in the first electrode Identical as the extending direction of the first electrode, the electrode swing arm has the 5th threaded hole corresponding with the adjustment tank, institute It states first part's first electrode and is bolted with the electrode swing arm by the adjustment tank and the 5th threaded hole, the peace The second side for filling block has the 6th threaded hole corresponding with the adjustment tank, the second part first electrode and the installation Block is bolted by the adjustment tank and the 6th threaded hole.
Optionally, puppet's welding mechanism further includes second electrode connection component, and the second electrode passes through described second Electrode connection component is mounted in the second base, and the second electrode connection component is configured at least one side Adjust upward the position of the second electrode.
Optionally, the second electrode connection component includes the position mounting blocks connecting with the second electrode, institute's rheme Mounting blocks are set with open slot, the opening direction of the open slot is vertical with the second electrode, has in the second base There is fastener in 7th threaded hole, the open slot and the 7th threaded hole, the position mounting blocks are fixed on described the On two pedestals.
Optionally, the second electrode connection component further includes the second cylinder, the cylinder rod of second cylinder with it is described Second electrode connection.
Optionally, puppet's welding mechanism further includes holding down assembly, described to hold down assembly including compressing swing arm and third gas Cylinder, described one end for compressing swing arm and the third cylinder are hinged, and the compression swing arm and the second electrode are located at the electricity The opposite side of pole swing arm.
Optionally, puppet's welding mechanism further includes buffer, and the buffer and the compression swing arm are located at the electricity The opposite side of pole swing arm.
Optionally, puppet's welding mechanism further includes welding circuit, and the welding circuit includes the first conduction copper bar, second Copper bar and welding copper bar are conducted, the first conduction copper bar and the first electrode pass through cable connection, the second conduction copper Row passes through cable connection, the welding copper bar and the first conduction copper bar and the second conduction copper bar with the second electrode Connection, the welding copper bar are located between the first conduction copper bar and the second conduction copper bar.
Technical solution provided in an embodiment of the present invention has the benefit that
One end of electrode swing arm is hinged by first rotating shaft and first base, one end of electrode swing arm by the second shaft and The cylinder rod of first cylinder is hinged, and the first cylinder is located in first base.Electrode swing arm can be around the second shaft relative to first The rotational cylinder of cylinder can be such that electrode swing arm rotates around first rotating shaft relative to first base by controlling the first cylinder.
First part's first electrode in multiple first electrodes is connect with electrode swing arm, second in multiple first electrodes First electrode is divided to connect with first electrode connection component, first electrode connection component is detachably connected with electrode swing arm.Multiple Two electrodes are located in second base, and multiple second electrodes and multiple first electrodes correspond.When multiple first electrodes and multiple When second electrode is configured in welding position, multiple second electrodes and multiple first electrodes are realized to first electrode and second electrode Between solder joint welded.
It, can be by increasing dismountable the when puppet's welding structure needs the solder joint to multiple and different positions to weld One electrode connection component connects more first electrodes, when the position rotation that electrode swing arm is welded to needs, if connection There are the first electrode connection component of first electrode and positioning mechanism to be formed to interfere, can be interfered by removing to be formed with positioning mechanism First electrode connection component passes through electrode swing arm, again to the first electrode connection component of dismounting after electrode swing arm is mobile in place Installed and positioned with first electrode, avoided puppet's welding mechanism and positioning mechanism from being formed and interfere, realize to simultaneously to it is multiple not Solder joint with position is welded, and welding efficiency is improved.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.
Fig. 1 is a kind of puppet's welding mechanism front view provided in an embodiment of the present invention;
Fig. 2 is a kind of partial structural diagram of puppet's welding mechanism provided in an embodiment of the present invention;
Fig. 3 is a kind of partial structural diagram of another angle of puppet's welding mechanism provided in an embodiment of the present invention;
Fig. 4 is a kind of partial structural diagram of electrode swing arm provided in an embodiment of the present invention;
Fig. 5 is a kind of partial structural diagram of another angle of puppet's welding mechanism provided in an embodiment of the present invention;
Fig. 6 is a kind of partial structural diagram of another angle of puppet's welding mechanism provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention Formula is described in further detail.
Fig. 1 is a kind of structure front view of puppet's welding mechanism provided in an embodiment of the present invention, as shown in Figure 1, the puppet welds Mechanism includes: first base 1, the first cylinder 4, electrode swing arm 2, first electrode connection component 2a, multiple first electrodes 3, second Pedestal 6 and multiple second electrodes 5.
First cylinder 4 is located in first base 1.One end of electrode swing arm 2 is hinged by first rotating shaft A and first base 1, One end of electrode swing arm 2 is hinged by the cylinder rod of the second shaft B and the first cylinder 4.First electrode connection component 2a and electrode Swing arm 2 is detachably connected.First part's first electrode 3 in multiple first electrodes 3 is connect with electrode swing arm 2, multiple first electricity Second part first electrode 3 in pole 3 is connect with first electrode connection component, and second part first electrode 3 is multiple first electricity First electrode 3 in pole 3 other than first part's first electrode 3.
Second base 6 and 1 arranged for interval of first base.Multiple second electrodes 5 are located in second base 6, multiple second electricity Pole 5 and multiple first electrodes 3 correspond.
One end of electrode swing arm is hinged by first rotating shaft and first base, one end of electrode swing arm by the second shaft and The cylinder rod of first cylinder is hinged, and the first cylinder is located in first base.Electrode swing arm can be around the second shaft relative to first The rotational cylinder of cylinder can be such that electrode swing arm rotates around first rotating shaft relative to first base by controlling the first cylinder.
First part's first electrode in multiple first electrodes is connect with electrode swing arm, second in multiple first electrodes First electrode is divided to connect with first electrode connection component, first electrode connection component is detachably connected with electrode swing arm.Multiple Two electrodes are located in second base, and multiple second electrodes and multiple first electrodes correspond.When multiple first electrodes and multiple When second electrode is configured in welding position, multiple second electrodes and multiple first electrodes are realized to first electrode and second electrode Between solder joint welded.
It, can be by increasing dismountable the when puppet's welding structure needs the solder joint to multiple and different positions to weld One electrode connection component connects more first electrodes, when the position rotation that electrode swing arm is welded to needs, if connection There are the first electrode connection component of first electrode and positioning mechanism to be formed to interfere, can be interfered by removing to be formed with positioning mechanism First electrode connection component passes through electrode swing arm, again to the first electrode connection component of dismounting after electrode swing arm is mobile in place It is installed and is positioned with first electrode, avoided puppet's welding mechanism and positioning mechanism from being formed and interfere, realize simultaneously to multiple and different The solder joint of position is welded, and welding efficiency is improved.
In the present embodiment, second electrode 5 is configured as prolonging in welding along same straight line with corresponding first electrode 3 It stretches.
Fig. 2 is a kind of partial structural diagram of puppet's welding mechanism provided in an embodiment of the present invention.As shown in Fig. 2, first Electrode connection component 2a includes transition block 7 and mounting blocks 8.Transition block 7 is L-shaped, and transition block 7 includes the first side plate connected vertically 7A and the second side plate 7B.There is at least 2 groups the first threaded hole 7a being spaced apart along first direction, first party on first side plate 7A To the orientation for first part's first electrode 3 in electrode swing arm 2.Every group of first threaded hole 7a includes at least two first Threaded hole 7a, electrode swing arm 2 have the second threaded hole (not shown) corresponding at least two the first threaded hole 7a.Mounting blocks 8 with Second side plate 7B connection of transition block 7, second part first electrode 3 are mounted on mounting blocks 8.
Can be corresponding with the second threaded hole using different groups of other first threaded hole 7a according to the specific location of solder joint, then Transition block 7 is connect with electrode swing arm 2 by bolt, adjusts the position relative to electrode swing arm 2 in a first direction of transition block 7 It sets.Mounting blocks 8 are connect with the second side plate 7B of transition block 7, and second part first electrode 3 is mounted on mounting blocks 8.By exchanging The position relative to electrode swing arm 2, the second part first that realization is connect with mounting blocks 8 are electric in a first direction for whole transition block 7 The position adjustment of pole 3 in a first direction, improves the versatility of puppet's welding mechanism.
Illustratively, also there is at least two first positioning hole 7b on the first side plate 7A.Electrode swing arm 2 has and at least two The corresponding second location hole (not shown) of first positioning hole 7b.When transition block 7 is connect with electrode swing arm 2, first can be determined Position hole 7b is aligned with second location hole, then by positioning finger setting, is facilitated and connect transition block 7 with electrode swing arm 2, improve puppet The assembly precision of puppet welding mechanism.First positioning hole 7b can be between the first threaded hole of two adjacent groups 7a.
Fig. 3 is a kind of partial structural diagram of another angle of puppet's welding mechanism provided in an embodiment of the present invention.Such as Fig. 3 Shown, mounting blocks 8 are L-shaped.Mounting blocks 8 include the first side plate 8A connected vertically and the second side plate 8B, and the first side plate 8A has At least 2 groups third threaded hole 8a being spaced apart in a second direction, second direction are vertical with first direction.Every group of third threaded hole 8a includes at least two third threaded hole 8a, and the second side plate 7B of transition block 7 has corresponding at least two third threaded hole 8a 4th threaded hole 7c (see Fig. 2).
Can be corresponding with the 4th threaded hole 7d using different groups of other third threaded hole 8a according to the specific location of solder joint, Mounting blocks 8 are connect by bolt with transition block 7 again, realize the position adjustment of second part first electrode 3 in a second direction, Further improve the versatility of puppet's welding mechanism.
Optionally, the first side plate 8A includes at least two third location hole 8b, the second side plate 7B of transition block 7 have with extremely Few corresponding 4th location hole 7d of 2 third location hole 8b (see Fig. 2).It, can be by when mounting blocks 8 are connect with transition block 7 Three location hole 8b are aligned with the 4th location hole 7d, then by positioning finger setting, are facilitated and connect mounting blocks 8 with transition block 7, into one Step improves the assembly precision of puppet's welding mechanism.
In conjunction with Fig. 2, optionally, there is adjustment tank 3a in first electrode 3, adjustment tank 3a is in bar shaped, the extension of adjustment tank 3a Direction is identical as the extending direction of first electrode 3, electrode swing arm 2 have fiveth threaded hole 2b corresponding with adjustment tank 3a, first Part first electrode 3 is bolted with electrode swing arm 2 by adjusting slot 3a and the 5th threaded hole 2b, the second side of mounting blocks 8 8B has a sixth threaded hole 8c corresponding with adjustment tank 3a, and second part first electrode 3 and mounting blocks 8 are by adjusting slot 3a and the Six threaded hole 8c are bolted.Adjustment tank can be slided by the extending direction along first electrode 3 according to the specific location of solder joint 3a passes through bolt again and is fixedly connected with first part's first electrode 3 with electrode swing arm 2, and adjustment first part's first electrode 3 is being prolonged Stretch the extension elongation on direction relative to electrode swing arm 2;Alternatively, sliding adjustment tank 3a by the extending direction along first electrode 3 Second part first electrode 3 is fixedly connected by bolt with mounting blocks 8 again, adjusts second part first electrode 3 in extension side Extension elongation relative to mounting blocks 8 upwards, it is ensured that puppet's welding mechanism meets the needs of different solder joints.
Fig. 4 is a kind of partial structural diagram of electrode swing arm provided in an embodiment of the present invention.As shown in figure 4, exemplary , also there is limiting slot 2c corresponding with first part's first electrode 3 in electrode swing arm 2.The fluting direction of limiting slot 2c and the The extending direction of one electrode 3 is identical, and the 5th threaded hole 2b is located in limiting slot 2c.First part's first electrode 3 can be initially charged with It in corresponding limiting slot 2c, then is bolted by adjusting slot 3a and the 5th threaded hole 2b, realizes first in electrode swing arm 2 Divide the positioning of first electrode 3 in the direction of extension, further improves the assembly precision of puppet's welding mechanism.
Illustratively, in conjunction with Fig. 2, mounting blocks 8 can also have at least two the 5th location hole 8d, can be by adjustment tank 3a It is aligned at least two the 5th location hole 8d, then by positioning finger setting, realizes the second part first electrode 3 on mounting blocks 8 Positioning in the direction of extension further improves the assembly precision of puppet's welding mechanism.
Optionally, puppet's welding mechanism further includes holding down assembly 11, and holding down assembly 11 includes compressing swing arm 11a and third cylinder 11b, one end and the third cylinder 11b for compressing swing arm 11a are hinged, compress swing arm 11a and second electrode 5 is located at electrode swing arm 2 Opposite side.When welding simultaneously to multiple vehicle body solder joints, the insufficient pressure that the first cylinder 4 provides electrode swing arm 2 is to prop up The welding pressure that multiple second cylinders 10 provide second electrode 5 is supportted, by adjusting third cylinder 11b, makes to compress swing arm 11a phase Third cylinder 11b is rotated, electrode swing arm 2 is compressed, further increases the compression for welding copper sheet 3 in electrode swing arm 2 The welding pressure of power, the pressure and second electrode 5 that make first electrode 3 reaches balance.
Illustratively, electrode swing arm 2 moves to welding position, and first electrode 3 is contacted with bodywork, third cylinder 11b Driving compresses swing arm 11a and compresses to electrode swing arm 2, provides enough pressing forces, electrode swing arm 2 can be considered as fixation at this time End, subsequent second cylinder 10 drive second electrode 5 to move upward to operating position, provide required welding pressure.The present invention is implemented First cylinder 4 of example selects the circle cylinder of model C 96S-100-100, and the operating air pressure of the cylinder is 0.4Mpa, in operating air pressure It is 3000N that lower energy, which be the maximum pressing force that electrode swing arm 2 provides,.The second cylinder 10 that the embodiment of the present invention is selected can be straight-bar Cylinder, each straight-bar cylinder can provide the welding pressure of 2048N under the operating air pressure of 0.4Mpa for second electrode 5.The present invention The third cylinder 11b that embodiment is selected is the Europe superscript cylinder that cylinder diameter is 80mm, the maximum which can provide for compression swing arm 11a Pressure is 3500N.Bodywork tool in the embodiment of the present invention is there are three solder joint, by puppet's welding mechanism by three second electrodes To welding position, amounting to welding pressure is 6144N for 5 drivings simultaneously, electrode swing arm 2 and compresses the compression that swing arm 11a is generated jointly Power amounts to 6500N, meets the support to three solder joint welding pressures.
Optionally, puppet's welding mechanism further includes buffer 12, and buffer 12 and compression swing arm 11a are located at electrode swing arm 2 Opposite side.Illustratively, buffer 12 includes buffer spring 12a and bracket 12b, and bracket 12b can be fixedly installed, such as fixed On the ground, buffer spring 12a is located between one end and bracket of electrode swing arm 2.When electrode swing arm 2, which carries out overturning, to be clamped, Buffer spring 12a can buffer electrode swing arm 2 when electrode swing arm 2 is soon contacted with bodywork, and electrode is avoided to put Arm 2 and body panel collide and lead to the deformation of body panel.
Fig. 5 is a kind of partial structural diagram of another angle of puppet's welding mechanism provided in an embodiment of the present invention.Such as Fig. 5 Shown, puppet's welding mechanism further includes second electrode connection component 9, and second electrode 5 is mounted on the by second electrode connection component 9 On two pedestals 6, second electrode connection component 9 is configured as adjusting the position of second electrode 5 at least one direction.By setting Second electrode connection component 9 is set, realizes position adjustment of the second electrode 5 on the direction that second electrode 5 extends;Or realize the Position adjustment of two electrodes 5 on the vertical direction in the direction extended with second electrode 5;Or realize second electrode 5 above-mentioned It can be carried out position adjustment on two kinds of directions, meet the locational requirement of different solder joints.
Optionally, second electrode connection component 9 includes the position mounting blocks 9a connecting with second electrode 5, position mounting blocks 9a has open slot 9b, and the opening direction of open slot 9b is vertical with second electrode 5,
Can according to the specific location of solder joint, by the opening direction of open slot 9b adjust second electrode 5 with the second electricity The correspondence of second electrode 5 and different bond pad locations is realized in position on the vertical direction of the extending direction of pole 5.
Having in second base 6 has fastener in the 7th threaded hole 6b, open slot 9b and the 7th threaded hole 6b, by position Mounting blocks 9a is set to be fixed in second base 6.Illustratively, fastener can be bolt corresponding with the 7th threaded hole 6b, when It is after second electrode 5 is adjusted in place, open slot 9b is corresponding at least two the 7th threaded hole 6b in second base 6, by extremely Position mounting blocks 9 are fixedly connected by few two bolts with second base 6.
It should be noted that being fixedly connected to position mounting blocks 9 with second base 6 using at least two bolts, at least two A bolt can also limit position mounting blocks 9a by the cell wall of abutment openings slot 9b while playing fastening effect. It can prevent mounting blocks 9a in position in welding process from deflecting because welding pressure is excessive, improve the processing of puppet's welding mechanism Stability.
Illustratively, in conjunction with Fig. 1, there is transition connecting structure, transition connecting structure includes First Transition in second base 6 Plate 6b, the second transition plates 6c and connecting plate 6d, First Transition plate 6b and the angled setting of the second transition plates 6c simultaneously pass through connecting plate 6d is fixedly connected.First Transition plate 6b has the 7th threaded hole 6b, for connect with position mounting blocks 9a, the second transition plates 6c and Second base 6 connects.According to the locational requirement of different solder joints, the First Transition plate 6b with setting in different angles can be designed With the transition connecting structure of the second transition plates 6c.When needing the solder joint to specific position to weld, it is only necessary to which replacement corresponds to Transition link block 6a second electrode 5 can be adjusted to need welding position, avoid whole to second base 6 being set again Meter, reduces processing cost.
Optionally, in conjunction with Fig. 3, second electrode connection component 9 can also include the second cylinder 10, the cylinder of the second cylinder 10 Bar is connect with second electrode 5.When welding to vehicle body solder joint, by operating the second cylinder 10, second electrode 5 can be made to prolong It stretches and is moved on direction, meet the locational requirement of different solder joints.
It should be noted that in the present embodiment, second electrode connection component 9 includes position mounting blocks 9a and second simultaneously Cylinder 10 realizes second electrode 5 simultaneously in the extending direction of second electrode 5, vertical with the extending direction of second electrode 5 any The enterprising line position in direction sets adjustment.In other embodiments, second electrode connection component 9 can only include position mounting blocks 9a and the One in two cylinders 10.
Illustratively, second electrode 5 can be welding gun, and second electrode 5 can also have electrode cap 5a, electrode cap 5a setting In second electrode 5.Due to welding when and workpiece contact surface temperature it is very high, electrode can be made to soften, cause welding gun electricity The shape of pole changes, and reduces the high-temperature stability of electrode, and butt welding gun electrode causes to be lost, by being arranged in welding gun electrode The loss of welding gun electrode can be effectively reduced in electrode cap.Illustratively, common electrode material starts soft at 400 DEG C or so Change, when reaching 980 DEG C of nugget formation needs, Vickers hardness has fallen to 1/3 or so of original hardness, so as to cause electricity Pole is partially soft in welding, and loss increases.Drawbacks described above can be overcome by strengthening electrode cap 5a made of copper disperse aluminium, 900 DEG C or so when just start to soften that this guarantees its stability at high temperature, reduce loss.
Optionally, puppet's welding mechanism further includes welding circuit, and referring again to Fig. 1, welding circuit includes the first conduction copper bar 13, the second conduction copper bar 14 and welding copper bar 15, the first conduction copper bar 13 are connect with first electrode 3 by cable 16 (see Fig. 6), Second conduction copper bar 14 is connect with second electrode 5 by cable 16, and copper bar 15 and the first conduction copper bar 13 and the second conduction are welded Copper bar 14 connects, and welding copper bar 15 is located between the first conduction copper bar 13 and the second conduction copper bar 14.When use puppet's welding mechanism When butt welding point is welded, vehicle body, first electrode 3, first conduct copper bar 13, welding copper bar 15, second conducts copper bar 14 and the Two electrodes 5 form welding circuit, and welding personnel welds welding copper bar 15 using external welding machine, provide weldering for welding circuit Electric current is connect, realizes the welding to vehicle body.Due to using welding circuit to move away from the position of vehicle body solder joint for copper bar 15 is welded, Keep welding personnel more convenient to the welding of vehicle body solder joint, further improves welding efficiency.
Illustratively, welding personnel, which welds average each vehicle body solder joint using common soldering turret, needs 3S, welds complicated solder joint about 4s, after this puppet's welding mechanism, the welding copper bar 15 that human weld's puppet's welding mechanism connects out, which can be realized, welds vehicle body Spot welding, weld interval about 1.5s, single solder joint can save the time of 4-1.5=2.5s, have 6 according to the vehicle body of each car The workload of solder joint, annual 50000 production plans, can save working hour 2.5*6*50000=750000S every year.
Fig. 6 is a kind of partial structural diagram of another angle of puppet's welding mechanism provided in an embodiment of the present invention.Such as Fig. 6 Shown, illustratively, second electrode connection component 9 can also include cable connection block 5b.Cable connection block 5b is located at the second electricity Between pole 5 and the second cylinder 10, cable connection block 5b is in a strip shape.When need by cable 16 connect second conduction copper bar 14 (see When Fig. 1) with second electrode 5, it is connect by the cable connection block 5b of strip with cable 16, cable 16 can be made far from second electrode 5, it avoids cable 16 and clamp positioning mechanism from being formed and interferes.
The course of work of puppet's welding mechanism provided in an embodiment of the present invention is simply introduced below with reference to FIG. 1 to FIG. 6.Including such as Lower step:
Bodywork parts are placed on station by the first step, pass through soldering cramping apparatus positioning mechanism Set and Positioning;
Second step operates the first cylinder 4, and coordination electrode swing arm 2 is turned to the welding position of bodywork parts, in switching process In, if be connected with first electrode 3 first electrode connection component 2a and soldering cramping apparatus positioning mechanism formed interfere, by this first Electrode connection component 2a is removed, and is again installed to first electrode connection component 2a after electrode swing arm 2 is moved to welding position In electrode swing arm 2, first electrode 3 is made to be directed at corresponding solder joint on welding position;
Second electrode 5 is moved to the welding position of bodywork parts by third step, is prolonging second electrode 5 with first electrode 3 It stretches and is in a straight line on direction;
4th step welds bodywork parts by first electrode 3 and second electrode 5.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of puppet's welding mechanism characterized by comprising
First base (1);
First cylinder (4), first cylinder (4) are located in the first base (1);
One end of electrode swing arm (2), the electrode swing arm (2) passes through first rotating shaft (A) and the first base (1) hingedly, institute The one end for stating electrode swing arm (2) is hinged by the second shaft (B) and the cylinder rod of first cylinder (4);
First electrode connection component (2a), the first electrode connection component (2a) are detachably connected with the electrode swing arm (2);
Multiple first electrodes (3), first part's first electrode (3) and the electrode swing arm in the multiple first electrode (3) (2) it connects, second part first electrode (3) and the first electrode connection component (2a) in the multiple first electrode (3) Connection, the second part first electrode (3) be in the multiple first electrode (3) in addition to first part's first electrode (3) with Outer first electrode (3);
Second base (6), the second base (6) and the first base (1) arranged for interval;
Multiple second electrodes (5), the multiple second electrode (5) are located in the second base (6), the multiple second electrode (5) it is corresponded with the multiple first electrode (3).
2. puppet's welding mechanism according to claim 1, which is characterized in that the first electrode connection component (2a) included Block (7) and mounting blocks (8) are crossed,
The transition block (7) is L-shaped, and the transition block (7) includes the first side plate (7A) connected vertically and the second side plate (7B), There is at least 2 groups the first threaded holes (7a) being spaced apart along first direction, the first direction on first side plate (7A) For orientation of the first part's first electrode (3) on the electrode swing arm (2), the first threaded hole (7a) described in every group Including the first threaded hole (7a) described at least two, the electrode swing arm (2) has and first threaded hole of at least two (7a) Corresponding second threaded hole,
The mounting blocks (8) connect with the second side plate (7B) of the transition block (7), second part first electrode (3) peace On the mounting blocks (8).
3. puppet's welding mechanism according to claim 2, which is characterized in that the mounting blocks (8) are L-shaped, the mounting blocks It (8) include the first side plate (8A) connected vertically and the second side plate (8B), first side plate (8A) is at least 2 groups along second The third threaded hole (8a) that direction is spaced apart, the second direction is vertical with the first direction,
Third threaded hole (8a) described in every group includes third threaded hole (8a) described at least two, second side of the transition block (7) Plate (7B) has the 4th threaded hole (7c) corresponding at least two third threaded hole (8a).
4. puppet's welding mechanism according to claim 3, which is characterized in that have adjustment tank on the first electrode (3) (3a), the adjustment tank (3a) are in bar shaped, the extending direction of the adjustment tank (3a) and the extending direction of the first electrode (3) Identical, the electrode swing arm (2) has the 5th threaded hole (2b) corresponding with the adjustment tank (3a), the first part first Electrode (3) is bolted with the electrode swing arm (2) by the adjustment tank (3a) and the 5th threaded hole (2b), the peace The second side (8B) for filling block (8) has the 6th threaded hole (8c) corresponding with the adjustment tank (3a), the second part the One electrode (3) is bolted with the mounting blocks (8) by the adjustment tank (3a) and the 6th threaded hole (8c).
5. puppet's welding mechanism according to claim 1, which is characterized in that puppet's welding mechanism further includes that second electrode connects Connected components (9), the second electrode (5) are mounted on the second base (6) by the second electrode connection component (9), The second electrode connection component (9) is configured to adjust the position of the second electrode (5) at least one direction.
6. puppet's welding mechanism according to claim 5, which is characterized in that the second electrode connection component (9) include with The position mounting blocks (9a) of second electrode (5) connection, the position mounting blocks (9a) have open slot (9b), the opening The opening direction of slot (9b) is vertical with the second electrode (5), has the 7th threaded hole (6a), institute on the second base (6) Stating has fastener in open slot (9b) and the 7th threaded hole (6a), the position mounting blocks (9a) are fixed on described second On pedestal (6).
7. puppet's welding mechanism according to claim 5, which is characterized in that the second electrode connection component (9) further includes The cylinder rod of second cylinder (10), second cylinder (10) is connect with the second electrode (5).
8. described in any item puppet's welding mechanisms according to claim 1~7, which is characterized in that puppet's welding mechanism further includes Hold down assembly (11), and described hold down assembly (11) include compressing swing arm (11a) and third cylinder (11b), the compression swing arm Hingedly, the compression swing arm (11a) and the second electrode (5) are positioned at described for the one end of (11a) and the third cylinder (11b) The opposite side of electrode swing arm (2).
9. puppet's welding mechanism according to claim 8, which is characterized in that puppet's welding mechanism further includes buffer (12), the buffer (12) and compression swing arm (11a) are located at the opposite side of the electrode swing arm (2).
10. described in any item puppet's welding mechanisms according to claim 1~7, which is characterized in that puppet's welding mechanism further includes Welding circuit, the welding circuit includes the first conduction copper bar (13), the second conduction copper bar (14) and welds copper bar (15), described First conduction copper bar (13) and the first electrode (3) are connect by cable (16), described second conduct copper bar (13) with it is described Second electrode (5) is connected by cable (16), the welding copper bar (15) and first conduction copper bar (13) and described second Copper bar (14) connection is conducted, the welding copper bar (15) is located at first conduction copper bar (13) and the second conduction copper bar (14) between.
CN201910698676.5A 2019-07-31 2019-07-31 Puppet welding mechanism Active CN110369846B (en)

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CN205237321U (en) * 2015-12-30 2016-05-18 长城汽车股份有限公司 Welding jig and fuel tank welding set
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CN202045463U (en) * 2011-01-30 2011-11-23 大连奥托股份有限公司 Clamping and welding integrated device for sheet metal parts
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