CN208556292U - A kind of robot C type servo electrode holder structure - Google Patents
A kind of robot C type servo electrode holder structure Download PDFInfo
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- CN208556292U CN208556292U CN201820968471.5U CN201820968471U CN208556292U CN 208556292 U CN208556292 U CN 208556292U CN 201820968471 U CN201820968471 U CN 201820968471U CN 208556292 U CN208556292 U CN 208556292U
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- robot
- upper clamp
- fixed
- electrode holder
- type servo
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Abstract
The utility model relates to a kind of spot-welding equipments.A kind of robot C type servo electrode holder structure, caliper including C-shaped, caliper includes upper clamp and lower clamp, top electrode is fixed on upper clamp, lower electrode is fixed on lower clamp, it is additionally provided with servo press mechanism simultaneously on upper clamp, connecting bracket for being connected with robot is installed on upper clamp, buffering suspension mechanism is equipped between upper clamp and connecting bracket, the buffering suspension mechanism includes the sliding part being connected with upper clamp, it further include the fixing piece being connected with connecting bracket, relative motion between sliding part and fixing piece.The utility model, which provides one kind, can make electrode tip buffering fitting workpiece, prevent soldering turret motional collision from damaging, eliminate the impact of butt-welding fitting, reduce the abrasion of electrode tip, the good robot C type servo electrode holder assembly of welding effect；Solves the technical issues of welding existing in the prior art is not secured enough, and workpiece deflection is big, and electrode tip is prone to wear, and soldering turret is easy damaged in collision.
Description
Technical field
The utility model relates to a kind of spot-welding equipment more particularly to a kind of railcar vehicle body sides in rail traffic
The c-type servo electrode holder of the spot welding operation of wall.
Background technique
Rail traffic servo resistance spot welding welding system is mainly used in the spot welding operation of railcar vehicle body side wall.Track
Car body in transportation industry uses stainless steel material, has good fire savety, anticorrosive property, impact energy absorption characteristic, light
Quantify the advantages such as low with maintenance cost.With the development of resistance spot welding technique, resistance spot welding technique is widely used in rail traffic
The manufacture of vehicle stainless steel car body.Resistance spot welding is weldment to be assembled into lap joint, and compress between electrodes, passes to electricity
Stream is hot-melted base metals, the method for forming the electric resistance welding of solder joint using resistance.Current track traffic soldering turret is mostly small-sized weldering
Pincers, the main component of rail traffic servo resistance spot welding welding system is large-scale C-shaped welding tongs, to adapt to the biggish ruler of welding workpiece
Very little and soldering turret integral firmness uses throat depth for 1.8 meters (robot soldering pliers) and 1.5 meters of (boosting manipulator) soldering turrets, and two
Apply 1.2t pressure between electrode, guarantees spot welding effect.The related content mentioned in existing open file has, Chinese patent:
" a kind of electricity servo auto soldering tweezers (CN201520383806.3) ", including servo motor, rectification module, quiet arm, swing arm, cooling
Circuit and caliper, servo motor is connect with swing arm and actuating arm moves in a straight line, and caliper two sides are provided with fixed aluminium sheet, servo electricity
Machine, rectification module, quiet arm, swing arm, cooling circuit are between fixed aluminium sheet, are provided with quiet arm restraining board between fixed aluminium sheet
With swing arm rotation axis, caliper rear end is provided with robot connection unit, is provided with tool replacing apparatus on robot connection unit.
But for robot soldering pliers, robot soldering pliers and six axis test formula robot flanged joints, robot move soldering turret
At to welding workpiece (car body covering), power-on and power-off cartridge bites into row spot welding operation.Following problems can be encountered in the process: weldering
There is similar outer overarm deformation accumulation after mobile up to 3 meters in clamp electrode head end (pad) and robot base centre distance
Problem eventually leads to the positional shift of pad (this offset spatially requires to guarantee within 1mm)；Covering is stainless steel
Thin plate (1mm-2mm), since manufacturing process (welding sequence and Pressing Deformation rebound) and part welding post fulcrum cause farther out
Covering amount of deflection is excessive, forms weldment and answers the micro offset of solder joint theoretical position.The spatial deviation of workpiece and electrode tip will increase
A possibility that mutually colliding, finally influence welding effect: not prison welding and workpiece deflection are big.
Summary of the invention
The utility model, which provides one kind, can make electrode tip buffering fitting workpiece, prevent soldering turret motional collision from damaging, disappear
Except the impact of butt-welding fitting, the abrasion of electrode tip, the good robot C type servo electrode holder assembly of welding effect are reduced；It solves existing
It is welded present in technology not enough securely, workpiece deflection is big, and electrode tip is prone to wear, and the technology that soldering turret is easy damaged in collision is asked
Topic.
The utility model additionally provides a kind of can effectively realize simultaneously and shortens and the difference of output to length after electrode tip reconditioning
The robot C type servo electrode holder assembly of benefit；Length shortens and can not weld after solving electrode tip reconditioning existing in the prior art
The technical issues of connecing.
The utility model also provides a kind of upper/lower electrode centering of welding without deflection simultaneously, and the rigidity of caliper is big, welding jail
Solid a kind of robot C type servo electrode holder structure；It solves upper/lower electrode alignment deviation existing in the prior art, is formed oval
The technical issues of shape solder joint, reduction firm welding.
The above-mentioned technical problem of the utility model is solved by following technical proposals: a kind of robot C type servo weldering
Wrench structure, the caliper including C-shaped, caliper includes the upper clamp and lower clamp positioned at caliper opening two sides, fixed on upper clamp
There is top electrode, lower electrode is fixed on lower clamp, servo press mechanism is additionally provided with simultaneously on upper clamp, in the upper pincers
Connecting bracket for being connected with robot is installed on body, buffering suspension mechanism is equipped between upper clamp and connecting bracket,
The buffering suspension mechanism includes the sliding part being connected with upper clamp, further includes the fixing piece being connected with connecting bracket, sliding
Relative motion between part and fixing piece.Soldering turret is connected by connecting bracket with robot, and soldering turret is moved to Welder by robot
At part, power-on and power-off cartridge bites into row spot welding.Installation buffering suspension mechanism, passes through cunning between the caliper and connecting bracket of soldering turret
The relative motion between caliper and connecting bracket is realized in the relative motion of moving part and fixing piece, thus realize one of caliper it is soft
The connection of property.It allows caliper that can realize micro-positioning regulators in vertical direction, when top electrode touches workpiece, absorbs butt-welding fitting
Impact.Electrode tip generates abrasion after reconditioning simultaneously, can also carry out welding compensation to abrasion.7075 aviation aluminium of caliper material selection
Light-weight design is carried out, with larger throat depth (1500mm) and while throat opening, proof strength, reduction weight.
The flexible connection that relative motion between fixing piece and sliding part is realized, can use damping spring seat or hydraulic
Cylinder component etc..Preferably, being connected between the fixing piece and sliding part by cylinder component, the cylinder component packet
Cylinder block and the piston shaft in cylinder block are included, the cylinder block is connect with fixing piece, the piston shaft and sliding part
It is connected.By cylinder component as buffer unit, structure is simple, and stationarity is good, effectively realizes that difference is mended.
Preferably, the sliding part includes the sliding rail and " π " shape bracket for being fixed on upper clamp two sides, " π " shape branch
The transverse slat of frame is connected with the piston shaft of cylinder component, and the riser of " π " shape bracket is separately fixed at the two sides of upper clamp.Described
The two sides of upper clamp are respectively fixedly connected with a soldering turret connecting plate, and the riser of the sliding rail and " π " shape bracket is fixed on soldering turret
On connecting plate.Being fixedly connected for sliding rail and cylinder piston axis is realized by " π " shape bracket, to allow upper clamp, sliding rail and " π " shape
Bracket can move together." π " shape bracket, which is also able to achieve, will be located at the piston axis connection of two cylinders of upper clamp two sides, and two
Cylinder piston axis moves synchronously, and stability is good.
Preferably, the fixing piece includes and is fixed on the sliding block that the sliding rail of upper clamp two sides cooperates, sliding block is fixed
In connecting bracket, it is fixed with support frame, the cylinder block being fixed in cylinder component on support frame simultaneously in connecting bracket.It is sliding
Block is fixed in connecting bracket, and connecting bracket is motionless.Upper clamp movement realizes connecting bracket by the cooperation of sliding rail and sliding block
Relative motion between upper clamp.By the relative motion of cylinder block and cylinder axis, realize between upper clamp and connecting bracket
Buffer compensation.
Preferably, the connecting bracket is " U "-shaped, right angle branch is fixed on the outside of the vertical panel of " u "-shaped bracket
Support is fixed with cylinder block on the support frame, the sliding block being fixed in fixing piece on the inside of the vertical panel of " u "-shaped bracket, " U "
The outer welding robot flange of the level board of shape bracket.Facilitate the connection components such as robot and cylinder block.
Preferably, being equipped with dark screw at the crook of the arm position of the caliper.Because the welding pressure by 1.2t draws at the crook of the arm
Micro-strain is played, this deformation forms enlarge-effect by leverage, in electrode head end, lead to power-on and power-off cartridge alignment deviation,
Oval solder joint is formed, firm welding is reduced.Dark screw effectively solves the problems, such as alignment deviation.
Preferably, being arranged symmetrically in the two sides of upper clamp there are two cylinder component, two cylinder components are moved synchronously.It is right
Claim arrangement, stationarity can be improved, and two cylinder components move synchronously, good buffer effect.
Therefore, a kind of robot C type servo electrode holder structure of the utility model has above-mentioned advantage.
Detailed description of the invention
Fig. 1 is a kind of stereoscopic schematic diagram of robot C type servo electrode holder structure of the utility model.
Fig. 2 is the explosive view of the buffering suspension mechanism in Fig. 1.
Fig. 3 is the cross-sectional view of the buffering suspension mechanism in Fig. 1.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solution to utility model is described in further detail.
Embodiment:
As shown in Figure 1, a kind of robot C type servo electrode holder structure, the caliper including C-shaped, caliper use 7075 aviation aluminium
Light-weight design is carried out, the throat depth with 1500mm.Caliper includes upper clamp 6, lower clamp 9 and connector 8, and upper and lower caliper is logical
Cross the connection of connector 8.Top electrode 1 is installed on upper clamp 6, lower electrode 10 is installed on lower clamp 9.In top electrode 1
Side is equipped with servo press mechanism 2, is realized by servo press mechanism 2 and stretches movement under top electrode 1.6 simultaneously on upper clamp
It is also equipped with transformer 3.The connecting bracket 5 of U-shaped is fixed at the middle part of upper clamp 6.Upper clamp 6 is located at U-shaped connecting bracket 5
In opening, the flanged joint of caliper and six axis test formula robots is realized by the horizontal connecting plate 12 of U-shaped connecting bracket.
As shown in Figures 2 and 3, right angle support frame is fixed in the outside of two vertical connecting plates 18 of U-shaped connecting bracket
19, cylinder block 4 is fixed on right angle support frame 19.Sliding block 16 is fixed in the inside of vertical connecting plate 18.In upper clamp 6
Two sides respectively pass through screw and be fixed with a soldering turret connecting plate 14, soldering turret connecting plate 14 is quadrangle.In each soldering turret connecting plate
The two rows of sliding rails 17 being parallel to each other are fixed on 14, sliding block 16 is mounted on sliding rail 17." π " is fixed among two rows of sliding rails 17
The riser 13 of shape bracket, the transverse slat 15 of " π " shape bracket are connected with the piston shaft 11 of cylinder component.
In upper clamp 6 and connector joint 7 and the joint 7 of lower clamp and connector, more pieces of dark spiral shells are squeezed into
Nail, increases the rigidity of caliper, prevents from forming enlarge-effect, caused power-on and power-off head centering in motor head end after the deformation of caliper
Deviation forms oval solder joint, reduces firm welding.
When realizing welding, soldering turret is moved at welding workpiece by robot by connecting bracket 5, top electrode 1 and workpiece
When touching, caliper motional collision in order to prevent, caliper can upper and lower fine motion, the fine motion up and down of caliper drives sliding rail 17 to move, sliding
Rail 17 and " π " shape bracket 20 are fixed with caliper, and therefore, sliding rail 17 and " π " shape bracket 20 can also move therewith.Due to " π " shape
Bracket 20 is connected with cylinder piston axis 11, by the relative motion of cylinder block 4 and piston shaft 11, realizes caliper and connecting bracket 5
Relative motion absorb the impact of butt-welding fitting to realize flexible connection.
Claims (8)
1. a kind of robot C type servo electrode holder structure, the caliper including C-shaped, caliper include the upper pincers positioned at caliper opening two sides
Body and lower clamp, are fixed with top electrode on upper clamp, and lower electrode is fixed on lower clamp, is additionally provided with simultaneously on upper clamp
Servo press mechanism, it is characterised in that: the connecting bracket for being connected with robot is equipped on the upper clamp, upper
Buffering suspension mechanism is equipped between caliper and connecting bracket, the buffering suspension mechanism includes the sliding being connected with upper clamp
Part further includes the fixing piece being connected with connecting bracket, relative motion between sliding part and fixing piece.
2. a kind of robot C type servo electrode holder structure according to claim 1, it is characterised in that: the fixing piece and
It is connected between sliding part by cylinder component, the cylinder component includes cylinder block and the piston shaft in cylinder block, institute
The cylinder block stated is connect with fixing piece, and the piston shaft is connected with sliding part.
3. a kind of robot C type servo electrode holder structure according to claim 1 or 2, it is characterised in that: the sliding part
Sliding rail and " π " shape bracket including being fixed on upper clamp two sides, the piston shaft phase of the transverse slat and cylinder component of " π " shape bracket
Even, the riser of " π " shape bracket is separately fixed at the two sides of upper clamp.
4. a kind of robot C type servo electrode holder structure according to claim 3, it is characterised in that: in the upper clamp
Two sides be respectively fixedly connected with a soldering turret connecting plate, the riser of the sliding rail and " π " shape bracket is fixed on soldering turret connecting plate
On.
5. a kind of robot C type servo electrode holder structure according to claim 1 or 2, it is characterised in that: the fixing piece
Including the sliding block cooperated with the sliding rail for being fixed on upper clamp two sides, sliding block is fixed in connecting bracket, in connecting bracket simultaneously
It is fixed with support frame, the cylinder block being fixed in cylinder component on support frame.
6. a kind of robot C type servo electrode holder structure according to claim 1 or 2, it is characterised in that: the connection branch
Frame is " U "-shaped, and right angle support frame is fixed on the outside of the vertical panel of " u "-shaped bracket, is fixed with cylinder block on the support frame,
The sliding block being fixed on the inside of the vertical panel of " u "-shaped bracket in fixing piece, the outer welding robot flange of the level board of " u "-shaped bracket.
7. a kind of robot C type servo electrode holder structure according to claim 1 or 2, it is characterised in that: the two of upper clamp
Side is arranged symmetrically there are two cylinder component, and two cylinder components move synchronously.
8. a kind of robot C type servo electrode holder structure according to claim 1 or 2, it is characterised in that: in the caliper
Crook of the arm position be equipped with dark screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820968471.5U CN208556292U (en) | 2018-06-22 | 2018-06-22 | A kind of robot C type servo electrode holder structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820968471.5U CN208556292U (en) | 2018-06-22 | 2018-06-22 | A kind of robot C type servo electrode holder structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208556292U true CN208556292U (en) | 2019-03-01 |
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ID=65487820
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820968471.5U Expired - Fee Related CN208556292U (en) | 2018-06-22 | 2018-06-22 | A kind of robot C type servo electrode holder structure |
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| Country | Link |
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| CN (1) | CN208556292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108637445A (en) * | 2018-06-22 | 2018-10-12 | 义乌中科机电设备有限公司 | A kind of robot C type servo electrode holder assembly |
-
2018
- 2018-06-22 CN CN201820968471.5U patent/CN208556292U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108637445A (en) * | 2018-06-22 | 2018-10-12 | 义乌中科机电设备有限公司 | A kind of robot C type servo electrode holder assembly |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190301 Termination date: 20210622 |
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| CF01 | Termination of patent right due to non-payment of annual fee |