CN113458612B - Two-section type stop plate coding machine - Google Patents
Two-section type stop plate coding machine Download PDFInfo
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- CN113458612B CN113458612B CN202110763387.6A CN202110763387A CN113458612B CN 113458612 B CN113458612 B CN 113458612B CN 202110763387 A CN202110763387 A CN 202110763387A CN 113458612 B CN113458612 B CN 113458612B
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- 239000000463 material Substances 0.000 claims abstract description 30
- 230000000903 blocking effect Effects 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 4
- 230000011218 segmentation Effects 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010330 laser marking Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The invention discloses a two-section stop board coding machine, which belongs to the technical field of PCB board processing and particularly relates to a two-section stop board coding machine, which comprises a frame group, wherein a laser coding module and a material conveying track group are respectively arranged above and below the frame group, the laser coding module comprises an X-axis driving mechanism, a Y-axis driving mechanism, a Z-axis driving mechanism, a mounting seat and a laser, a guide rail is arranged on the mounting seat, a limit groove is transversely formed in the guide rail, a guide block is connected in the guide rail in a sliding way, a movable groove I capable of accommodating a first spring and a left limit block and a right limit block is transversely formed in the guide block, one side of the limit block penetrates through the movable groove I and is clamped in the limit groove, and one side, deviating from the guide block and the guide rail, of the guide block is connected with a clamping device.
Description
Technical Field
The invention relates to the technical field of PCB processing, in particular to a two-section stop board coding machine.
Background
The code printer is a special machine type specially used for marking bar codes, two-dimensional codes, characters, figures and other information on a printed circuit board, the basic principle of laser marking is that a laser generator generates high-energy continuous laser beams, focused laser acts on a printing material to enable surface materials to be molten instantly and even gasified, a path of the laser on the surface of the material is controlled, so that needed image-text marks are formed, at present, the laser used for laser marking is provided with a fiber laser, an ultraviolet laser, a green laser and a CO2 laser, different lasers are needed to be replaced according to PCB plate quality and processing requirements during processing, the existing code printer is installed by fixing bolts frequently, bolts are needed to be screwed out during replacement and disassembly, and because the laser code printing module line inside the code printer is complex, the mode of fixing bolts is adopted, the time is needed to pay attention to other lines during disassembly, and thus the disassembly efficiency is affected.
Disclosure of Invention
The invention aims to provide a two-section stop plate coding machine, which aims to solve the problem that the mode of bolt fixing and dismounting in the background technology needs to pay attention to touching down other circuits at any time, thereby influencing the dismounting efficiency.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a two segmentation stop board coding machine, includes the frame group, top and below are equipped with laser respectively in the frame group and beat sign indicating number module and defeated material track group, laser beat sign indicating number module and include X axle actuating mechanism, Y axle actuating mechanism, Z axle actuating mechanism, mount pad and laser instrument, be equipped with the guide rail on the mount pad, transversely seted up the spacing groove in the guide rail, the slip has the guide block in the guide rail, and transversely seted up in the guide block can hold spring one, control the movable groove one of stopper, one side of stopper passes movable groove one and blocks and establish in the spacing groove, one side that the guide block deviates from with the guide rail is connected with clamping device, clamping device is including the grip block one, grip block two and the fixed plate that are used for the centre gripping laser instrument, and grip block one is connected with the fixed plate through screw rod elevating system, the grip block two passes through elastic telescoping mechanism and is connected with the fixed plate.
Preferably, the fixed plate is internally and longitudinally provided with a movable groove II which can accommodate the upper clamping plate I and the lower clamping plate I, the upper clamping plate I and the lower clamping plate I are internally and longitudinally provided with a screw, the screw is connected with the screw in the screw groove I in a threaded manner, the outer wall threads of the screw are symmetrically arranged, the top of the screw penetrates through the screw groove I and is connected with the adjusting plate, the two sides of the guide block are respectively provided with a fixed plate, the fixed plate is internally provided with a movable groove III which can accommodate the clamping plate II, the movable groove III is internally provided with a guide column, one end of the guide column transversely penetrates into the clamping plate II and is connected with a limiting block, the outer wall of the guide column is sleeved with a spring II, the two ends of the spring II are respectively connected with the inner wall of the clamping plate II and the limiting block, the clamping plate II is in threaded connection with a laser through a bolt, and the clamping plate I and the clamping plate II are L-shaped.
Preferably, the clamping plate I is provided with a sucker, the sucker is attached to the laser, and the adjusting plate is provided with a shifting block.
Preferably, the conveying track group comprises a width adjusting driving device, a width adjusting guide rail, a code printing conveying mechanism and a material waiting mechanism, wherein the code printing conveying mechanism comprises a front code printing track, a rear code printing track, a code printing positioning cylinder, a PCB clamping cylinder, a pressing plate and a first driving mechanism, the material waiting mechanism comprises a front material waiting track, a rear material waiting positioning cylinder, a feeding blocking cylinder and a second driving mechanism, the feeding blocking cylinder is arranged at the feeding end of the front code printing track and the feeding end of the rear code printing track, the material waiting positioning cylinder is arranged at the discharging end of the front code printing track and the rear code printing track, the pressing plate is arranged at the top of the front code printing track and the discharging end of the rear code printing track, a movable groove is formed in the front code printing track and the rear code printing track, a top plate is arranged in the movable groove, and the telescopic end of the PCB clamping cylinder is connected with the top plate.
Preferably, the front coding track and the material waiting track are both arranged on the supporting plate, the rear coding track and the bottom of the material waiting track are provided with sliding blocks matched with the width adjusting guide rail, the sliding blocks are slidingly connected on the width adjusting guide rail, the width adjusting driving device is a width adjusting cylinder, and the telescopic end of the width adjusting cylinder is connected with the rear coding track and the material waiting track through the connecting plate.
Preferably, the laser coding module comprises an X-axis driving mechanism, a Y-axis driving mechanism, a Z-axis driving mechanism and a laser, wherein the X-axis driving mechanism is connected with the Y-axis driving mechanism in a sliding way, the Z-axis driving mechanism is connected with the X-axis driving mechanism in a sliding way, and the laser is connected with the Z-axis driving mechanism in a sliding way.
Preferably, the frame group is gone up swing joint and is had the emergency exit, and is equipped with visual window on the emergency exit, be equipped with operating panel on the frame group right side wall, and operating panel is connected with laser coding module, defeated material track group.
Preferably, the first driving mechanism and the second driving mechanism comprise a driving motor, a traction wheel and a conveyor belt, an output shaft of the driving motor is connected with the traction wheel, and the conveyor belt is sleeved on the outer wall of the traction wheel.
Preferably, the X-axis driving mechanism is slidingly connected with the Y-axis driving mechanism, the Z-axis driving mechanism is slidingly connected with the X-axis driving mechanism, and the mounting seat is slidingly connected with the Z-axis driving mechanism.
Compared with the prior art, the invention has the beneficial effects that:
1) According to the invention, the clamping and fixing of the laser can be finished through the clamping plate I and the clamping plate II, meanwhile, the limiting block can be inserted into the guide rail through the guide block, and is clamped in the limiting groove, so that the laser can be installed more conveniently.
2) The laser is respectively connected with the second clamping plate and the first clamping plate in a threaded connection and sucking disc manner, so that the laser can be installed outside, and then the laser is fixed on the mounting seat in an inserting connection manner, so that contact to an internal circuit of the coding machine during installation is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the frame set according to the present invention;
FIG. 3 is a schematic diagram of a laser coding module according to the present invention;
FIG. 4 is a schematic view of a material conveying track set according to the present invention;
FIG. 5 is an enlarged schematic view of FIG. 3 at A;
FIG. 6 is a schematic view of a rail structure of the present invention;
FIG. 7 is a schematic view of a structure of a fixing plate according to the present invention;
fig. 8 is a schematic view of the structure of the sucker of the present invention.
In the figure: the device comprises a frame group 1, a safety door 2, a visual window 3, an operation panel 4, a 5X-axis driving mechanism, a 6Y-axis driving mechanism, a 7Z-axis driving mechanism, an 8 laser, a 9 coding track, a 10 material waiting track, an 11 width adjusting cylinder, a 12 width adjusting guide rail, a 13 coding positioning cylinder, a 14PCB clamping cylinder, a 15 material waiting positioning cylinder, a 16 feeding blocking cylinder, a 17 pressing plate, an 18 mounting seat, a 19 guide rail, a 20 limiting groove, a 21 fixing plate, a 22 movable groove II, a 23 clamping plate I, a 24 screw rod, a 25 adjusting disk, a 26 guide block, a 27 spring I, a 28 limiting block, a 29 fixing plate, a 30 clamping plate II, a 31 guide post, a 32 spring II and a 33 sucker.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Examples:
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a two segmentation stop board coding machine, includes frame group 1, frame group 1 is interior top and below are equipped with laser respectively and beat sign indicating number module and defeated material track group, laser beat sign indicating number module and include X axle actuating mechanism 5, Y axle actuating mechanism 6, Z axle actuating mechanism 7, mount pad 18 and laser instrument 8, be equipped with guide rail 19 on the mount pad 18, transversely seted up spacing groove 20 in the guide rail 19, sliding connection has guide block 26 in the guide rail 19, and transversely seted up the movable groove one that can hold spring one 27, control stopper 28 in the guide block 26, one side of stopper 28 passes the movable groove one and blocks and establish in spacing groove 20, inwards presses stopper 28 and makes spring one 27 shrink, stopper 28 shifts out from spacing groove 20 for guide block 26 can roll-off in guide rail 19, guide block 26 is connected with clamping device with one side that deviates from mutually of guide rail 19, clamping device is including clamping plate one 23, clamping plate two 30 and fixed plate 21 that are used for clamping laser instrument 8, and lifting plate one 23 passes through fixed plate 21 and flexible connection screw rod 30 and two.
The fixed plate 21 is internally and longitudinally provided with a second movable groove 22 capable of accommodating the first upper clamping plate 23 and the second lower clamping plate 23, the first clamping plate 23 is internally and longitudinally provided with a first spiral groove, a screw 24 is screwed in the first spiral groove, the outer wall threads of the screw 24 are symmetrically arranged, the top of the screw 24 penetrates through the first spiral groove and is connected with the regulating disc 25, the regulating disc 25 is rotated anticlockwise to drive the screw 24 to rotate, the outer wall threads of the screw 24 are symmetrical, the distance between the first upper clamping plate 23 and the second clamping plate 23 is increased, the regulating disc 25 is rotated clockwise, the distance between the first upper clamping plate 23 and the second clamping plate 23 is reduced, a sucking disc 33 is sucked at the top and the bottom of the laser 8, the two sides of the guide block 26 are respectively provided with a fixed plate 29, the fixed plate 29 is internally provided with a third movable groove capable of accommodating the second clamping plate 30, one end of the guide post 31 transversely penetrates into the second clamping plate 30 and is connected with a limiting block, the outer wall of the guide post 31 is sleeved with a second spring 32, two ends of the second spring 32 are respectively connected with the second clamping plate 30, the second clamping plate 32 is connected with the second clamping plate 8, and the second clamping plate is in a shape of the shape of a bolt 30 and the second clamping plate 8 is in a shape of the L-shaped clamping plate 30 is connected with the second clamping plate 8, and the second clamping plate is in a L-shaped clamping plate 30 is attached with the second side wall of the L-shaped laser device, and the second clamping plate is respectively connected with the second clamping plate 8, and the second clamping plate is provided with the second side with the second clamping plate 30.
The clamping plate I23 is provided with a sucking disc 33, the sucking disc 33 is attached to the laser 8, suction force is generated to fix the laser 8, and the adjusting plate 25 is provided with a shifting block.
The conveying track group comprises a width adjusting driving device, a width adjusting guide rail 12, a code printing conveying mechanism and a waiting mechanism, the code printing conveying mechanism comprises a front code printing track 9 and a rear code printing track 9, a code printing positioning cylinder 13, a PCB plate clamping cylinder 14, a pressing plate 17 and a first driving mechanism, the first driving mechanism is used for driving a circuit board to move on the code printing track 9, the code printing positioning cylinder 13 is used for positioning the PCB plate, the waiting mechanism comprises a front track 10 and a rear track 10, a waiting positioning cylinder 15, a feeding blocking cylinder 16 and a second driving mechanism, the second driving mechanism is used for driving the circuit board to move on the waiting track 10, after a first PCB plate is fed, the first PCB plate is conveyed to the waiting track 10 through the code printing mechanism, after the first PCB plate is marked, the second PCB plate is conveyed onto the waiting track 9 from the waiting track 10, the circulating code printing motion is carried out, the feeding blocking cylinder 16 is mounted at the front end and the rear end of the track 9, the waiting cylinder 15 is mounted at the front end of the waiting track 9, the pressing plate is mounted at the top end of the lifting cylinder 9, the top plate is mounted at the top end of the top plate 9, the top plate is mounted at the top plate 9, the top plate is fixedly connected with the top plate 14, the top plate is mounted at the top plate 13, the top plate is fixedly mounted at the top plate is mounted at the top plate end of the top plate 9, and the top plate is pressed against the top plate is mounted at the top plate end of the top plate 9, and the top plate is mounted at the top to the top plate 9.
The front coding track 9 and the material waiting track 10 are both arranged on the supporting plate, the rear coding track 9 and the bottom of the material waiting track 10 are provided with sliding blocks matched with the width adjusting guide rail 12, the sliding blocks are slidingly connected to the width adjusting guide rail 12, the width adjusting driving device is a width adjusting cylinder 11, and the telescopic end of the width adjusting cylinder 11 is connected with the rear coding track 9 and the material waiting track 10 through connecting plates.
The laser coding module comprises an X-axis driving mechanism 5, a Y-axis driving mechanism 6, a Z-axis driving mechanism 7 and a laser 8, wherein the X-axis driving mechanism 5 is in sliding connection with the Y-axis driving mechanism 6, the Z-axis driving mechanism 7 is in sliding connection with the X-axis driving mechanism 5, and the laser 8 is in sliding connection with the Z-axis driving mechanism 7.
The laser coding module comprises an X-axis driving mechanism 5, a Y-axis driving mechanism 6, a Z-axis driving mechanism 7 and a laser 8, wherein the X-axis driving mechanism 5 is in sliding connection with the Y-axis driving mechanism 6, the Z-axis driving mechanism 7 is in sliding connection with the X-axis driving mechanism 5, and the laser 8 is in sliding connection with the Z-axis driving mechanism 7.
The first driving mechanism and the second driving mechanism comprise a driving motor, a traction wheel and a conveying belt, an output shaft of the driving motor is connected with the traction wheel, and the conveying belt is sleeved on the outer wall of the traction wheel.
The X-axis driving mechanism 5 is in sliding connection with the Y-axis driving mechanism 6, the Z-axis driving mechanism 7 is in sliding connection with the X-axis driving mechanism 5, the mounting seat 18 is in sliding connection with the Z-axis driving mechanism 7, the X-axis driving mechanism 5, the Y-axis driving mechanism 6 and the Z-axis driving mechanism 7 drive the laser 8 to code, and the laser 8 can realize X, Y, Z triaxial movement.
Working principle: when the laser 8 needs to be replaced, the first spring 27 is contracted by inwards pressing the limiting block 28, the limiting block 28 is moved out of the limiting groove 20, the guide block 26 can slide out of the guide rail 19, the adjusting disc 25 is rotated anticlockwise to drive the screw 24 to rotate, the distance between the first upper clamping plate 23 and the lower clamping plate 23 is increased due to symmetry of threads on the outer wall of the screw 24, then a bolt between the second clamping plate 30 and the laser 8 is unscrewed, the laser 8 can be taken down from the clamping device, the other laser 8 is placed between the second clamping plates 30, the second clamping plate 30 is attached to the left side wall and the right side wall of the laser 8 due to acting force generated by the second spring 32, the adjusting disc 25 is rotated clockwise after the bolt is screwed, the distance between the first upper clamping plate 23 and the lower clamping plate 23 is reduced, the sucker 33 is used for sucking the top and the bottom of the laser 8, the guide block 26 is inserted into the guide rail 19, and the limiting block 28 is clamped into the limiting groove 20, and the installation is completed.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a two segmentation stop board coding machine, includes frame group (1), top and below are equipped with laser respectively in frame group (1) and beat sign indicating number module and defeated material track group, laser beat sign indicating number module and include X axle actuating mechanism (5), Y axle actuating mechanism (6), Z axle actuating mechanism (7), mount pad (18) and laser instrument (8), its characterized in that: the mounting seat (18) is provided with a guide rail (19), a limit groove (20) is transversely formed in the guide rail (19), a guide block (26) is slidingly connected in the guide rail (19), a movable groove I capable of accommodating a first spring (27) and a left limit block (28) is transversely formed in the guide block (26), one side of the limit block (28) penetrates through the movable groove I to be clamped in the limit groove (20), one side, deviating from the guide rail (19), of the guide block (26) is connected with a clamping device, the clamping device comprises a first clamping plate (23), a second clamping plate (30) and a fixed plate (21) for clamping a laser (8), the first clamping plate (23) is connected with the fixed plate (21) through a screw lifting mechanism, and the second clamping plate (30) is connected with the fixed plate (21) through an elastic telescopic mechanism;
The movable groove II (22) capable of accommodating the upper clamping plate I (23) and the lower clamping plate I (23) is longitudinally formed in the fixed plate (21), the upper clamping plate I (23) and the lower clamping plate I are longitudinally provided with the first spiral groove, the first spiral groove I is internally provided with the screw rod (24) in a threaded manner, the outer wall threads of the screw rod (24) are symmetrically arranged, the top of the screw rod (24) penetrates through the first spiral groove to be connected with the adjusting plate (25), the two sides of the guide block (26) are respectively provided with the fixed plate (29), the fixed plate (29) is internally provided with the movable groove III capable of accommodating the clamping plate II (30), the movable groove III is internally provided with the guide post (31), one end of the guide post (31) transversely penetrates into the clamping plate II (30) and is connected with the limiting block, the outer wall of the guide post (31) is sleeved with the second spring (32), the two ends of the second spring (32) are respectively connected with the inner wall and the limiting block of the clamping plate II (30), the second clamping plate (30) is in a threaded manner with the laser (8), and the clamping plate II (23) is in an L shape with the clamping plate II (30);
The conveying track set comprises a width adjusting driving device, a width adjusting guide rail (12), a code printing conveying mechanism and a material waiting mechanism, wherein the code printing conveying mechanism comprises a front code printing track (9), a rear code printing track (13), a PCB clamping cylinder (14), a pressing plate (17) and a driving mechanism I, the material waiting mechanism comprises a front material waiting track (10), a rear material waiting track (15), a feeding blocking cylinder (16) and a driving mechanism II, the feeding blocking cylinder (16) is arranged at the feeding end of the front code printing track (9) and the feeding end of the rear code printing track (9), the feeding blocking cylinder (15) is arranged at the discharging end of the front code printing track (9) and the rear code printing track (9), the pressing plate (17) is arranged at the discharging end of the front code printing track (9) and the rear code printing track (9), a movable groove is formed in the front code printing track (9), and a top plate is arranged in the movable groove, and the telescopic end of the PCB clamping cylinder (14) is connected with the top plate.
2. A two-stage stop coding machine according to claim 1, characterized in that: the clamping plate I (23) is provided with a sucker (33), the sucker (33) is attached to the laser (8), and the adjusting plate (25) is provided with a shifting block.
3. A two-stage stop coding machine according to claim 1, characterized in that: the front coding track (9) and the material waiting track (10) are both arranged on the supporting plate, the rear coding track (9) and the bottom of the material waiting track (10) are provided with sliding blocks matched with the width adjusting guide rail (12), the sliding blocks are slidingly connected to the width adjusting guide rail (12), the width adjusting driving device is a width adjusting cylinder (11), and the telescopic end of the width adjusting cylinder (11) is connected with the rear coding track (9) and the material waiting track (10) through connecting plates.
4. A two-stage stop coding machine according to claim 1, characterized in that: the laser coding module comprises an X-axis driving mechanism (5), a Y-axis driving mechanism (6), a Z-axis driving mechanism (7) and a laser (8), wherein the X-axis driving mechanism (5) is connected to the Y-axis driving mechanism (6) in a sliding mode, the Z-axis driving mechanism (7) is connected to the X-axis driving mechanism (5) in a sliding mode, and the laser (8) is connected to the Z-axis driving mechanism (7) in a sliding mode.
5. A two-stage stop coding machine according to claim 1, characterized in that: the automatic feeding device is characterized in that a safety door (2) is movably connected to the frame group (1), a visual window (3) is arranged on the safety door (2), an operation panel (4) is arranged on the right side wall of the frame group (1), and the operation panel (4) is connected with the laser coding module and the material conveying track group.
6. A two-stage stop coding machine according to claim 1, characterized in that: the first driving mechanism and the second driving mechanism comprise a driving motor, a traction wheel and a conveying belt, an output shaft of the driving motor is connected with the traction wheel, and the conveying belt is sleeved on the outer wall of the traction wheel.
7. A two-stage stop coding machine according to claim 1, characterized in that: the X-axis driving mechanism (5) is in sliding connection with the Y-axis driving mechanism (6), the Z-axis driving mechanism (7) is in sliding connection with the X-axis driving mechanism (5), and the mounting seat (18) is in sliding connection with the Z-axis driving mechanism (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110763387.6A CN113458612B (en) | 2021-07-06 | Two-section type stop plate coding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110763387.6A CN113458612B (en) | 2021-07-06 | Two-section type stop plate coding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113458612A CN113458612A (en) | 2021-10-01 |
| CN113458612B true CN113458612B (en) | 2024-07-05 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT11800U1 (en) * | 2010-02-24 | 2011-05-15 | Fronius Int Gmbh | COUPLING FOR A WELDING DEVICE |
| CN107598382A (en) * | 2017-07-26 | 2018-01-19 | 苏州市长峰激光技术有限公司 | Full-automatic PCB laser markers with sorting function, method and system |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT11800U1 (en) * | 2010-02-24 | 2011-05-15 | Fronius Int Gmbh | COUPLING FOR A WELDING DEVICE |
| CN107598382A (en) * | 2017-07-26 | 2018-01-19 | 苏州市长峰激光技术有限公司 | Full-automatic PCB laser markers with sorting function, method and system |
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