CN109366085A - A kind of Workpiece tilting device of welding robot - Google Patents
A kind of Workpiece tilting device of welding robot Download PDFInfo
- Publication number
- CN109366085A CN109366085A CN201811570374.1A CN201811570374A CN109366085A CN 109366085 A CN109366085 A CN 109366085A CN 201811570374 A CN201811570374 A CN 201811570374A CN 109366085 A CN109366085 A CN 109366085A
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- Prior art keywords
- base
- arm
- flip
- mobile
- sliding
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000003466 welding Methods 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 230000007306 turnover Effects 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 19
- 230000006835 compression Effects 0.000 claims description 16
- 238000007906 compression Methods 0.000 claims description 16
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- 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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manipulator (AREA)
Abstract
The present invention relates to a kind of Workpiece tilting devices of welding robot, it is characterized by comprising first bases, mobile mechanism, several second bases and several turnover mechanisms, several turnover mechanisms are separately positioned in second base, each turnover mechanism includes mobile base, overturn motor, flip-arm and clamping structure, the four corners of mobile base lower surface are fixedly installed the first sliding block, first sliding block and the first sliding rail of second base upper surface are slidably matched, the upper surface of mobile base is fixed with mounting rack, output shaft and torsion shaft are provided with by bearing on mounting rack, the rear end of flip-arm is fixedly connected with the first link block, sub-arm is arranged in parallel with above flip-arm, the rear end of sub-arm is fixedly connected with the first link block, the front end of sub-arm is fixedly connected with the second supporting block；In conclusion the configuration of the present invention is simple, facilitates the durable welding back work that can be efficiently completed to large-scale workpiece.
Description
Technical field
The invention belongs to technical field of welding equipment more particularly to a kind of Workpiece tilting devices of welding robot.
Background technique
With the rapid development of logistics transportation industry, to must not in the logistic industries such as logistics compartment, household freezer, frozen products insulated container
The mating setting demand that can lack also greatly increases, and stream compartment, household freezer, frozen products insulated container are welded by plate, is
Improve welding, the speed of production of above-mentioned apparatus, the welding in small-sized or medium-sized logistics compartment, household freezer, frozen products insulated container
Process more and more uses positioner, but the overturning displacement of large-scale or ultra-large type box side becomes cabinet automatic welding
Difficult point, ultra-large type box side area is larger, heavier-weight, and when welding overturns extremely difficult.
Summary of the invention
A kind of workpiece turning of the welding robot proposed it is an object of the invention to overcome the deficiencies in the prior art
Device.
The present invention is implemented as follows: a kind of Workpiece tilting device of welding robot, including first base, moving machine
Structure, several second bases being parallel to each other and several turnover mechanisms, first base are arranged along left and right horizontal direction, several
Second base moves towards setting along front and back, and the upper surface of first base, the rear end of each second base is arranged in mobile mechanism
It is fixedly connected with the upper surface of first base, it is sliding that the left and right sides of the second base upper surface trend along front and back is provided with first
Rail, the front end of second base are provided with the first supporting block, and second base rear end offers mounting hole along left and right trend, several are turned over
Rotation mechanism is separately positioned in second base, and each turnover mechanism includes mobile base, overturning motor, flip-arm and clamps knot
Structure, the four corners of mobile base lower surface are fixedly installed the first sliding block, and the first sliding block is arranged on the first sliding rail, and first is sliding
Block and the first sliding rail of second base upper surface are slidably matched, and the upper surface of mobile base is fixed with mounting rack, lead on mounting rack
It crosses bearing and is provided with output shaft and torsion shaft, torsion shaft is located at the surface of output shaft, is provided with first gear on output shaft, turns over
Second gear is provided in shaft, first gear and second gear are intermeshed, speed reducer is fixedly installed on the right side of mounting rack,
Speed reducer and output shaft are sequentially connected, and the right side of mounting rack is arranged in along front and back trend for overturning motor, overturn the main shaft of motor with
Speed reducer drive connects, and is provided with the first link block on torsion shaft, second base is arranged in along anterior-posterior horizontal direction in flip-arm
Surface, the upper surface of flip-arm front end are provided with the second supporting block, and the front end of flip-arm is placed in the first supporting block, overturning
The rear end of arm is fixedly connected with the first link block, and sub-arm, the rear end of sub-arm and first are arranged in parallel with above flip-arm
Link block is fixedly connected, and the front end of sub-arm is fixedly connected with the second supporting block.
Mobile mechanism includes mobile motor, transmission shaft and chain, and the mounting hole that transmission shaft passes through in second base is mounted on
The surface of first base is provided with third gear on transmission shaft, several first sprocket wheels, the second bottom is arranged at intervals on transmission shaft
The front end of seat is provided with the second sprocket wheel, and chain is connected between the first sprocket wheel and the second sprocket wheel, and chain and mobile base pass through the
The connection of four link blocks, mobile motor are arranged in first base, and the main shaft of mobile motor is connect with third gear drive.
The clamping structure includes two centering clamping components of several compression cylinders, several compression cylinder equidistant intervals
It is fixed on sub-arm, the telescopic rod of compression cylinder is arranged vertically downward, and two centering clamping components are symmetricly set on flip-arm
Front-end and back-end, each centering clamping component includes centering clamping cylinder and two the second sliding rails, two the second sliding rails difference
Along front and back, the left side and right side of flip-arm front end is arranged in trend, is sliding combined with the second sliding block on the second sliding rail, the
The front end of two sliding blocks is provided with the second link block, and clamping plate, the rear end setting of each second sliding block are connected on the second link block
There is third link block, connecting plate is provided between two third link blocks, centering clamping cylinder is fixed at flip-arm front end
Lower surface, be fixedly connected in the middle part of the telescopic rod and connecting plate of centering clamping cylinder.
Pressure plate is connected on the telescopic rod of each compression cylinder.
The present invention has the advantages that the first base of the present apparatus and second base incite somebody to action this by adopting the above technical scheme
The mobile mechanism of device and turnover mechanism are fixed in the above, and provide the foundation for the overturning of workpiece, mobile mechanism makes the present apparatus
Turnover mechanism can move in second base, and the first sliding rail is used cooperatively with the first sliding block, make the mobile base of the present apparatus can
To slide back and forth in second base, overturning motor and the speed reducer of the present apparatus are used cooperatively, for flip-arm overturning provide it is dynamic
Power, the first gear on output shaft engage with the second gear transmission on torsion shaft makes more steady, the flip-arm of present apparatus work
It is arranged with above and below sub-arm parallel through the first link block, and is provided with compression cylinder on sub-arm, workpiece can be pressed on
Centering clamping cylinder is provided on flip-arm, on flip-arm, when compression cylinder and centering clamping cylinder are used cooperatively, only by workpiece
It only fixes, is not fallen out when clamping workpiece turning in this way, the front end of second base is provided with the first supporting block, and the first supporting block will
One end of flip-arm is erected, and can preferably be worked for workpiece turning, and the upper surface of flip-arm front end is provided with the second supporting block,
Second supporting block support sub-arm is allowed to parallel with flip-arm, the convenient clamping to workpiece, and mobile motor is and transmission shaft and chain
Wheel chain is used cooperatively, and provides power for the movement of mobile base, pressure plate increases the contact surface of the present apparatus and workpiece, protection
Also make the compression of workpiece while workpiece, therefore the present apparatus can overturn the plate of large volume, large area, be conducive to large-scale and super
The manufacturing in large size stream compartment, household freezer, frozen products insulated container.
Detailed description of the invention
Fig. 1 is top view of the invention；
Fig. 2 is rearview of the invention；
Fig. 3 is left view of the invention；
Fig. 4 is the drive mechanism schematic diagram of mounting rack and clamp system；
Fig. 5 is the structural schematic diagram of second base and mobile base；
Fig. 6 is the partial sectional view of second base；
Fig. 7 is the structural schematic diagram at A；
Fig. 8 is the structural schematic diagram at B；
Fig. 9 is the structural schematic diagram at C；
Figure 10 is the structural schematic diagram at D.
Specific embodiment
As shown in Fig. 1-Figure 10, a kind of Workpiece tilting device of welding robot, including first base 1, mobile mechanism,
Three second bases 2 being parallel to each other and several turnover mechanisms, first base 1 are arranged along left and right horizontal direction, and three second
Pedestal 2 moves towards setting along front and back, and mobile mechanism is arranged in the upper surface of first base 1, the rear end of each second base 2 and the
The upper surface of one pedestal 1 is fixedly connected, and along front and back, trend is provided with the first sliding rail 3 for the left and right sides of 2 upper surface of second base,
The front end of second base 2 is provided with the first supporting block 4, and 2 rear end of second base offers mounting hole 5 along left and right trend, and three are turned over
Rotation mechanism is separately positioned in second base 2, and each turnover mechanism includes mobile base 6, overturning motor 7, flip-arm 8 and clamps
Structure, the four corners of 6 lower surface of mobile base are fixedly installed the first sliding block 9, and the first sliding block 9 is arranged on the first sliding rail 3,
First sliding block 9 and the first sliding rail 3 of 2 upper surface of second base are slidably matched, and the upper surface of mobile base 6 is fixed with mounting rack
10, output shaft 11 and torsion shaft 12 are provided with by bearing on mounting rack 10, torsion shaft 12 is located at the surface of output shaft 11, defeated
It is provided with first gear 13 on shaft 11, second gear 14 is provided on torsion shaft 12, first gear 13 and second gear 14 are mutual
It is meshed, the right side of mounting rack 10 is fixedly installed speed reducer, and speed reducer and output shaft 11 are sequentially connected, and overturns motor 7 along preceding
The right side of mounting rack 10 is arranged in trend afterwards, and the main shaft of overturning motor 7 is connect with speed reducer drive, and the is provided on torsion shaft 12
The surface of second base 2 is arranged in along front and back trend for one link block 16, flip-arm 8, and the upper surface of 8 front end of flip-arm is provided with
Second supporting block 15, the front end of flip-arm 8 are placed in the first supporting block 4, and the rear end of flip-arm 8 and the first link block 16 are fixed
Connection, the top of flip-arm 8 are arranged in parallel with sub-arm 17, and the rear end of sub-arm 17 is fixedly connected with the first link block 16, auxiliary
The front end of arm 17 is helped to be fixedly connected with the second supporting block 15.
Mobile mechanism includes mobile motor 18, transmission shaft 19 and chain 20, and transmission shaft 19 passes through the installation in second base 2
Hole 5 is mounted on the surface of first base 1, and third gear is provided on transmission shaft 19, is arranged at intervals on transmission shaft 19 several
First sprocket wheel 21, the front end of second base 2 are provided with the second sprocket wheel 22, and chain 20 is connected to the first sprocket wheel 21 and the second sprocket wheel 22
Between, chain 20 is connect with mobile base 6 by the 4th link block 23, and mobile motor 18 is arranged in first base 1, mobile electricity
The main shaft of machine 18 is connect with third gear drive.
The clamping structure includes 24 two centering clamping components of several compression cylinders, and several compression cylinders 24 are equidistant
Interval is fixed on sub-arm 17, and the telescopic rod of compression cylinder 24 is arranged vertically downward, and two centering clamping components are symmetrical arranged
In the front-end and back-end of flip-arm 8, each centering clamping component includes centering clamping cylinder 25 and two the second sliding rails 26, and two
Second sliding rail 26 moves towards left side and right side that 8 front end of flip-arm is arranged in, to slide on the second sliding rail 26 respectively along front and back
It is combined with the second sliding block 27, the front end of the second sliding block 27 is provided with the second link block 28, is connected with clamping on the second link block 28
Plate 29, the rear end of each second sliding block 27 are provided with third link block 30, are provided with connecting plate between two third link blocks 30
31, centering clamping cylinder 25 is fixed at the lower surface of 8 front end of flip-arm, the telescopic rod and connecting plate of centering clamping cylinder 25
31 middle part is fixedly connected.
Pressure plate 32 is connected on the telescopic rod of each compression cylinder 24.
When using the present apparatus, the length of side plate and the turnover mechanism of material selection different number are welded as needed, is needed
The side plate to be welded, which passes through transmission device first and is parallel to ground, to be transported between the flip-arm 8 of the present apparatus and sub-arm 17, so
Centering clamping cylinder 25 works afterwards, and the constrictor of centering clamping cylinder 25 stretches out, and connecting plate 31 is pushed, and connecting plate 31 pushes the
Three link blocks 30, third link block 30 push the second sliding block 27 to be close to 8 intermediary movements of flip-arm, and the second sliding block 27 pulls second to connect
It connects block 28 and clamping plate 29 is close to 8 intermediary movements of flip-arm, the side plate centering welded will be needed and be fixed on flip-arm 8,
Then compression cylinder 24 works, and the side plate welded will be needed to be fixed on flip-arm 8, then overturns the work of motor 7 and drives and slows down
Machine transmission, subtracts and output shaft 11 is driven to move, the second gear 14 in first gear 13 and torsion shaft 12 on output shaft 11
Engagement, flip-arm 8 and sub-arm 17 rotate under the transmission of gear, when overturning the side plate for needing to weld to 90 °, overturning electricity
Machine 7 stops working, and mobile motor 18 works, and the work of mobile motor 18 drives the third gear rotation on transmission shaft 19, third tooth
Wheel drives transmission shaft 19 to rotate, and the rotation of transmission shaft 19 drives the rotation of the first sprocket wheel 21, and the rotation of the first sprocket wheel 21 drives chain 20 to transport
Dynamic, the movement of chain 20 drives mobile base 6 to travel forward, when mobile base 6 is moved to the front end of second base 2, mobile electricity
Machine 18 stops working, and turnover mechanism is moved to the front end of second base 2, and overturning motor 7 works on, flip-arm 8 and sub-arm
17 side plates for driving needs to weld are by 90 ° of overturnings to 180 °, and after the completion of welding, compression cylinder 24, centering clamping cylinder 25 are successive
It opens, workpiece is delivered to next station.
The above description is only a preferred embodiment of the present invention, is not intended to limit the invention, for those skilled in the art
For member, the invention may be variously modified and varied, all within the spirits and principles of the present invention, made any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of Workpiece tilting device of welding robot, it is characterised in that: including first base, mobile mechanism, several
The second base being parallel to each other and several turnover mechanisms, first base are arranged along left and right horizontal direction, several second bases
It is arranged along anterior-posterior horizontal direction, the upper surface of first base, the rear end of each second base and first is arranged in mobile mechanism
The upper surface of pedestal is fixedly connected, and along front and back, trend is provided with the first sliding rail for the left and right sides of second base upper surface, and second
The front end of pedestal is provided with the first supporting block, and second base rear end offers mounting hole along left and right trend, several turnover mechanisms
It is separately positioned in second base, each turnover mechanism includes mobile base, overturning motor, flip-arm and clamping structure, movement
The four corners of base lower surface are fixedly installed the first sliding block, the first sliding rail sliding of the first sliding block and second base upper surface
Cooperation, the upper surface of mobile base are fixed with mounting rack, and bearing is provided with output shaft and torsion shaft, torsion shaft on mounting rack
Positioned at the surface of output shaft, it is provided with first gear on output shaft, second gear, first gear and are provided on torsion shaft
Two gears intermesh, and speed reducer is fixedly installed on the right side of mounting rack, and speed reducer and output shaft are sequentially connected, and overturn motor edge
The right side that mounting rack is arranged in is moved towards in front and back, and the main shaft for overturning motor is connect with speed reducer drive, and first is provided on torsion shaft
The surface of second base is arranged in along front and back trend for link block, flip-arm, and the upper surface of flip-arm front end is provided with second
Bracer, the front end of flip-arm are placed in the first supporting block, and the rear end of flip-arm is fixedly connected with the first link block, flip-arm
Top is arranged in parallel with sub-arm, and the rear end of sub-arm is fixedly connected with the first link block, the front end of sub-arm and the second support
Block is fixedly connected.
2. a kind of Workpiece tilting device of welding robot according to claim 1, it is characterised in that: mobile mechanism's packet
Mobile motor, transmission shaft and chain are included, the mounting hole that transmission shaft passes through in second base is mounted on the surface of first base, passes
It is provided with third gear on moving axis, several first sprocket wheels are arranged at intervals on transmission shaft, the front end of second base is provided with second
Sprocket wheel, chain are connected between the first sprocket wheel and the second sprocket wheel, and chain is connect with mobile base by the 4th link block, mobile electricity
Machine is arranged in first base, and the main shaft of mobile motor is connect with third gear drive.
3. a kind of Workpiece tilting device of welding robot according to claim 1, it is characterised in that: the clamping
Structure includes two centering clamping components of several compression cylinders, and several compression cylinder equidistant intervals are fixed on sub-arm, pressure
The telescopic rod of tight cylinder is arranged vertically downward, and two centering clamping components are symmetricly set on the front-end and back-end of flip-arm, each
Centering clamping component includes centering clamping cylinder and two the second sliding rails, and two the second sliding rails move towards setting along front and back respectively and turning over
The left side and right side of pivoted arm front end are sliding combined with the second sliding block on the second sliding rail, and the front end of the second sliding block is provided with
Second link block, is connected with clamping plate on the second link block, and the rear end of each second sliding block is provided with third link block, and two
Connecting plate is provided between three link blocks, centering clamping cylinder is fixed at the lower surface of flip-arm front end, and centering clamps gas
It is fixedly connected in the middle part of the telescopic rod of cylinder and connecting plate.
4. a kind of Workpiece tilting device of welding robot according to claim 3, it is characterised in that: each compression gas
Pressure plate is connected on the telescopic rod of cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811570374.1A CN109366085A (en) | 2018-12-21 | 2018-12-21 | A kind of Workpiece tilting device of welding robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811570374.1A CN109366085A (en) | 2018-12-21 | 2018-12-21 | A kind of Workpiece tilting device of welding robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109366085A true CN109366085A (en) | 2019-02-22 |
Family
ID=65371288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811570374.1A Pending CN109366085A (en) | 2018-12-21 | 2018-12-21 | A kind of Workpiece tilting device of welding robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109366085A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109702396A (en) * | 2019-03-02 | 2019-05-03 | 河北玉发压瓦机设备有限公司 | Box-type room top frame bottom frame welding production line |
| CN115338593A (en) * | 2022-09-19 | 2022-11-15 | 芜湖丛林轻量化汽车有限责任公司 | Truck carriage plate turnover device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201952494U (en) * | 2011-01-21 | 2011-08-31 | 江苏晨力实业有限公司 | Online continuous frame counter weight type plate turnover machine |
| WO2014026475A1 (en) * | 2012-08-13 | 2014-02-20 | 广州明珞汽车装备有限公司 | Multi-vehicle model collinear flexible framing system |
| CN107570907A (en) * | 2017-09-20 | 2018-01-12 | 中车长江车辆有限公司 | A kind of container aluminum T floors turn-over welder and method |
| CN207104076U (en) * | 2017-08-09 | 2018-03-16 | 佛山晟华汽车零部件制造有限公司 | A kind of turnover stud welding fixture |
| CN108857979A (en) * | 2018-07-26 | 2018-11-23 | 湖州亚信工艺品有限公司 | A kind of processing platform of solid wood board processing unit (plant) |
| CN209380182U (en) * | 2018-12-21 | 2019-09-13 | 郑州科慧科技股份有限公司 | A kind of Workpiece tilting device of welding robot |
-
2018
- 2018-12-21 CN CN201811570374.1A patent/CN109366085A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201952494U (en) * | 2011-01-21 | 2011-08-31 | 江苏晨力实业有限公司 | Online continuous frame counter weight type plate turnover machine |
| WO2014026475A1 (en) * | 2012-08-13 | 2014-02-20 | 广州明珞汽车装备有限公司 | Multi-vehicle model collinear flexible framing system |
| CN207104076U (en) * | 2017-08-09 | 2018-03-16 | 佛山晟华汽车零部件制造有限公司 | A kind of turnover stud welding fixture |
| CN107570907A (en) * | 2017-09-20 | 2018-01-12 | 中车长江车辆有限公司 | A kind of container aluminum T floors turn-over welder and method |
| CN108857979A (en) * | 2018-07-26 | 2018-11-23 | 湖州亚信工艺品有限公司 | A kind of processing platform of solid wood board processing unit (plant) |
| CN209380182U (en) * | 2018-12-21 | 2019-09-13 | 郑州科慧科技股份有限公司 | A kind of Workpiece tilting device of welding robot |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109702396A (en) * | 2019-03-02 | 2019-05-03 | 河北玉发压瓦机设备有限公司 | Box-type room top frame bottom frame welding production line |
| CN109702396B (en) * | 2019-03-02 | 2024-02-06 | 河北玉发压瓦机设备有限公司 | Box roof frame underframe welding production line |
| CN115338593A (en) * | 2022-09-19 | 2022-11-15 | 芜湖丛林轻量化汽车有限责任公司 | Truck carriage plate turnover device |
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