CN117283148B - Cold light laser marking machine - Google Patents
Cold light laser marking machine Download PDFInfo
- Publication number
- CN117283148B CN117283148B CN202311580174.5A CN202311580174A CN117283148B CN 117283148 B CN117283148 B CN 117283148B CN 202311580174 A CN202311580174 A CN 202311580174A CN 117283148 B CN117283148 B CN 117283148B
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- CN
- China
- Prior art keywords
- displacement mechanism
- wire
- plane displacement
- conductive tube
- marking machine
- Prior art date
- 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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- 238000010330 laser marking Methods 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 51
- 238000006073 displacement reaction Methods 0.000 claims abstract description 44
- 238000013016 damping Methods 0.000 claims description 14
- 239000011241 protective layer Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 6
- 239000007787 solid Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000004804 winding Methods 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/362—Laser etching
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/007—Marks, e.g. trade marks
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Lasers (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a cold light laser marking machine, which belongs to the technical field of marking equipment, wherein the laser marking machine comprises a field lens, the field lens is connected to a power supply through a cable, the power supply is arranged on an output surface of a second plane displacement mechanism, a controller controls the first plane displacement mechanism and the second plane displacement mechanism to synchronously move, and the first plane displacement mechanism and the second plane displacement mechanism are simultaneously arranged on a machine platform of the marking machine; the output surface of the second plane displacement mechanism is provided with a supporting tube at the same time, the supporting tube is provided with a limiting channel along the longitudinal direction, the cable comprises a first wire, a conductive tube and a second wire, the first wire and the second wire are in one-to-one correspondence, the first wire penetrates into the conductive tube from one end of the conductive tube and is in sliding contact with the inner wall of the conductive tube, the second wire is fixedly arranged at the other end of the conductive tube, and the conductive tube is fixedly arranged in the limiting channel. The marking machine can reduce the influence of cable disturbance on the field lens, thereby improving the marking precision of the marking machine.
Description
Technical Field
The invention belongs to the technical field of marking equipment, and particularly relates to a cold light laser marking machine.
Background
Laser marking is the use of a laser beam to mark the surface of a variety of different substances permanently. The effect of marking is to expose deep layer substances through evaporation of surface layer substances, or to "imprint" marks through chemical-physical changes of the surface layer substances caused by light energy, or to burn out part of substances through light energy, so as to display patterns and characters to be etched. Traditional laser marking machine mainly includes the field lens, and the scene is connected to the power through the cable, and when the field lens removed and beaten the mark, receive the cable to interfere with to the precision that beaten the mark causes the influence.
Disclosure of Invention
Therefore, the invention aims to provide a cold light laser marking machine, which can reduce the influence of cable disturbance on a field lens, thereby improving the marking precision of the marking machine.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the invention relates to a cold light laser marking machine, which comprises a field lens, wherein the field lens is connected to a power supply through a cable, the field lens is arranged on a stand column, the stand column is arranged on a sliding block, the sliding block is arranged on an output surface of a first plane displacement mechanism, the power supply is arranged on an output surface of a second plane displacement mechanism, a controller controls the first plane displacement mechanism and the second plane displacement mechanism to synchronously move, and the first plane displacement mechanism and the second plane displacement mechanism are simultaneously arranged on a machine table of the marking machine; the output surface of the second plane displacement mechanism is provided with a supporting tube at the same time, the supporting tube is provided with a limiting channel along the longitudinal direction, the cable comprises a first wire, a conductive tube and a second wire, the first wire and the second wire are in one-to-one correspondence, the first wire penetrates into the conductive tube from one end of the conductive tube and is in sliding contact with the inner wall of the conductive tube, the second wire is fixedly arranged at the other end of the conductive tube, and the conductive tube is fixedly arranged in the limiting channel.
Further, the side of first wire has set firmly the stopper, a vertical groove has been seted up on the inside wall of electrically conductive pipe, the both ends of vertical groove do not link up, first wire passes through the stopper block and is in vertical inslot and pass through the both ends limit of vertical groove.
Further, the stay tube passes through the support and installs the output face at second plane displacement mechanism, the screw hole has been seted up at the center of support, the outer wall of stay tube seted up with screw hole complex external screw thread can adjust the longitudinal position of stay tube in the support through rotatory the stay tube.
Further, a first baffle ring and a second baffle ring are respectively arranged at two ends of the supporting tube, the first baffle ring and the second baffle ring are respectively in threaded fit with the threaded holes, and the first baffle ring and the second baffle ring are respectively used for limiting two ends of the supporting tube.
Further, a limiting plate is fixedly arranged on the second wire, and the limiting plate is used for limiting the longitudinal position of the second wire.
Further, the outer sides of the first wire and the second wire are respectively coated with a protective layer.
Further, disturbance buffer unit is installed simultaneously to first plane displacement mechanism and second plane displacement mechanism, disturbance buffer unit includes solid fixed ring, gu the centre bore has been seted up to gu the inboard of fixed ring, encircle the centre of centre bore is provided with polylith arc, the toper piece is installed to the dorsal part of arc, gu fixed ring's inner wall seted up with toper piece complex slot, install damping buffer unit in the slot, when toper piece along gu fixed ring's radial movement, the toper piece can insert act on damping buffer unit behind the slot.
Further, the damping buffer mechanism comprises a sliding plate, an air bag, a spring and a buffer seat, wherein the buffer seat is fixed at the bottom of the slot, the sliding plate is arranged at one side of the buffer seat at intervals, a space for installing the air bag is formed between the sliding plate and the buffer seat at intervals, the spring is connected between the sliding plate and the buffer seat, and the sliding plate is arranged in the slot in a sliding manner.
Further, the surface of the buffer seat facing one side of the sliding plate is provided with a conical through hole, a plurality of rubber plates are arranged at the bottom of the through hole in a superposition mode, and the air bag can be blown into the through hole and acts on the rubber plates after being expanded.
The invention has the beneficial effects that:
according to the cold light laser marking machine disclosed by the invention, the controller controls the first plane displacement mechanism and the second plane displacement mechanism to synchronously move, and the field lens and the power supply corresponding to the first plane displacement mechanism and the second plane displacement mechanism can synchronously move, and at the moment, the cable for connecting the power supply and the field lens is kept relatively static, so that the influence of disturbance of the cable in pulling on the working process of the field lens can be reduced to a certain extent, and the marking precision of the marking machine is improved.
The cable comprises a first wire, a conductive tube and a second wire, wherein the first wire and the second wire are connected through the conductive tube, and when the cable is pulled, the first wire can move for a certain distance along the longitudinal direction, so that the diameter of the cable is prevented from being stretched, and the disturbance influence of the cable is reduced.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
In order to make the objects, technical solutions and advantageous effects of the present invention more clear, the present invention provides the following drawings for description:
FIG. 1 is a schematic diagram of a marking machine according to the present invention;
FIG. 2 is a schematic view of the support tube of the present invention;
FIG. 3 is an enlarged view of FIG. 2 at B;
FIG. 4 is a schematic diagram of a disturbance buffer group;
FIG. 5 is an enlarged view of FIG. 4 at A;
FIG. 6 is a schematic illustration of an arrangement of arcuate plates;
fig. 7 is a schematic structural view of the conductive tube.
The figures are marked as follows: the field lens 1, a cable 2, a power supply 3, an upright post 4, a sliding block 5, a first plane displacement mechanism 6, a second plane displacement mechanism 7, a machine table 8, a supporting tube 9, a limiting channel 10, a first conducting wire 11, a conducting tube 12, a second conducting wire 13, a limiting block 14, a longitudinal groove 15, a support 16, a threaded hole 17, a first baffle ring 18, a second baffle ring 19, a limiting plate 20, a protective layer 21, a disturbance buffer assembly 22, a fixed ring 23, a central hole 24, an arc plate 25, a conical block 26, a slot 27, a sliding plate 28, an air bag 29, a spring 30, a buffer seat 31, a conical hole 32 and a rubber plate 33.
Detailed Description
As shown in fig. 1 to 7, the cold light laser marking machine of the invention comprises a field lens 1, and the laser marking machine is mainly used for marking spectacle lenses in spectacle processing. The laser marking machine moves through the field lens 1, so that parameters such as the position, the intensity and the time of the laser beam are controlled, and information such as required patterns, characters and the like are printed on the surface of the lens.
Specifically, the field lens 1 is connected to the power supply 3 through the cable 2, the field lens 1 is installed on a stand column 4, and the field lens 1 can be installed on the stand column 4 through a lifter and can move vertically to adapt to different marking heights. The stand 4 sets up on slider 5, and slider 5 is installed and is taken out face at first plane displacement mechanism 6, and first plane displacement mechanism 6 can adopt planar motor, through planar motor's output effect, can drive slider 5 and remove in the horizontal plane.
The power supply 3 is installed on the output surface of the second plane displacement mechanism 7, the power supply 3 can also displace in the plane, the controller controls the first plane displacement mechanism 6 to synchronously move with the second plane displacement mechanism, two correspondingly connected plane motors respectively control operation through two groups of servo controllers, and the two groups of servo controllers receive the same pulse of the control system to realize synchronous operation. The related synchronous operation control principle belongs to the prior art and is not in the protection scope of the application of the invention. The first plane displacement mechanism 6 and the second plane displacement mechanism 7 are simultaneously arranged on a machine table 8 of the marking machine, and when noise generated by vibration exists on site, the vibration frequencies of the first plane displacement mechanism and the second plane displacement mechanism can be synchronous.
In the embodiment of the invention, the output surface of the second plane displacement mechanism 7 is simultaneously provided with the support tube 9, the axis of the support tube 9 is along the longitudinal direction, namely, the extending direction of the cable 2, the support tube 9 is provided with the limiting channel 10 along the longitudinal direction, the cable 2 comprises three groups of the first conducting wire 11, the conducting tube 12 and the second conducting wire 13, the first conducting wire 11 and the second conducting wire 13 are in one-to-one correspondence, the first conducting wire 11 penetrates into the conducting tube 12 from one end of the conducting tube 12 and is in sliding contact with the inner wall of the conducting tube 12, and when the cable 2 is pulled, the joint of the first conducting wire 11 can slide in the conducting tube 12 to avoid being pulled. The second conducting wire 13 is fixedly arranged at the other end of the conducting tube 12, the conducting tube 12 is fixedly arranged in the limiting channel 10, and the cable 2 is divided, so that the middle part of the cable 2 can be flexibly stretched, and the disturbance influence of the cable 2 is weakened.
As a further improvement of the embodiment, a spring 30 may be disposed between the first wire 11 and the second wire 13, and after the stretching is finished, the position of the first wire 11 may be restored to the original position in time by the action of the spring 30, so as to cope with the working condition of pulling the cable 2 next time.
In this embodiment, a limiting block 14 is fixedly arranged on the side surface of the first wire 11, a longitudinal groove 15 is formed in the inner side wall of the conductive tube 12, two ends of the longitudinal groove 15 are not penetrated, and the first wire 11 is clamped in the longitudinal groove 15 through the limiting block 14 and limited through two end parts of the longitudinal groove 15. By providing the stopper 14 to cooperate with the longitudinal groove 15, the rotation of the first wire 11 can be restricted, and the rear end of the cable 2 can be prevented from winding.
In this embodiment, the support tube 9 is mounted on the output surface of the second planar displacement mechanism 7 through the support 16, the center of the support 16 is provided with a threaded hole 17, the outer wall of the support tube 9 is provided with external threads matched with the threaded hole 17, and the longitudinal position of the support tube 9 in the support 16 can be adjusted by rotating the support tube 9. According to the actual need, the support tube 9 is adjusted in the longitudinal direction, and the tightness adjustment can be realized on the two ends of the first lead 11 and the second lead 13, so that the two ends of the first lead 11 and the second lead 13 are in a good working state, and the disturbance effect of the cable 2 is more favorably lightened.
In this embodiment, the two ends of the support tube 9 are respectively provided with a first baffle ring 18 and a second baffle ring 19, the first baffle ring 18 and the second baffle ring 19 are respectively in threaded fit with the threaded holes 17, the first baffle ring 18 and the second baffle ring 19 are respectively used for limiting the two ends of the support tube 9, the support tube 9 is prevented from being influenced by the pulling of the cable 2 to cause the rotation of the support tube 9, and the running stability of the device is ensured.
In this embodiment, the second wires 13 are fixedly provided with the limiting plates 20, the limiting plates 20 are used for limiting the longitudinal positions of the second wires 13, so that the second wires 13 are prevented from excessively penetrating into the conductive tubes 12, and the installation conditions of the three groups of second wires 13 can be visually identified through the identification function of the limiting plates 20, so that the lengths of the three groups of second wires 13 are basically kept consistent. The outer sides of the first wire 11 and the second wire 13 are respectively coated with a protective layer 21, which can be used for protecting the first wire 11 and the second wire 13 and is also convenient for the consistency of wire installation.
In this embodiment, the disturbance buffer assembly 22 is installed simultaneously to the first plane displacement mechanism 6 and the second plane displacement mechanism 7, the disturbance buffer assembly 22 includes the solid fixed ring 23, the centre bore 24 has been seted up to the inboard of solid fixed ring 23, the center of encircleing the centre bore 24 is provided with polylith arc 25, conical block 26 is installed to the dorsal part of arc 25, the slot 27 with conical block 26 complex is seted up to the inner wall of solid fixed ring 23, install damping buffer mechanism in the slot 27, when conical block 26 radially removes along solid fixed ring 23, conical block 26 can insert behind the slot 27 and act on damping buffer mechanism. The damping buffer mechanism comprises a sliding plate 28, an air bag 29, a spring 30 and a buffer seat 31, wherein the buffer seat 31 is fixed at the bottom of the slot 27, the sliding plate 28 is arranged at one side of the buffer seat 31 at intervals, a space for installing the air bag 29 is formed between the sliding plate 28 and the buffer seat 31 at intervals, the spring 30 is connected between the sliding plate 28 and the buffer seat 31, and the sliding plate 28 is arranged in the slot 27 in a sliding manner. When the cable 2 is pulled, radial acting force acts on the arc-shaped plate 25, the conical blocks 26 arranged on the arc-shaped plate 25 move outwards in the radial direction, the conical blocks 26 act on the sliding plate 28, the sliding plate 28 slides longitudinally, the sliding plate 28 acts on the air bags 29 after sliding, damping buffering of the cable 2 is achieved through damping buffering of the air bags 29, and disturbance influence of the cable 2 is relieved.
In this embodiment, a tapered through hole is formed in the surface of the buffer seat 31 facing the side of the slide plate 28, a plurality of rubber plates 33 are stacked on the bottom of the through hole, and the air bag 29 can be inflated into the through hole and act on the rubber plates 33. Through the arrangement of the through holes, the air bags 29 deform after being inflated, the deformed air bags 29 can be blown into the through holes and act on the rubber plate 33, and further buffering is achieved through flexible support of the rubber plate 33, so that a better damping effect is achieved. The damping buffer device provided by the invention has the advantages that the damping buffer is performed by adopting a pure mechanical structure, the stability of the structure can be improved, the service life is longer, and the buffer effect on the cable 2 is better.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the invention, and that, although the invention has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (3)
1. A cold light laser marking machine, laser marking machine includes the field lens, the field lens passes through cable connection to power, its characterized in that: the field lens is arranged on a stand column, the stand column is arranged on a sliding block, the sliding block is arranged on the output surface of the first plane displacement mechanism, the power supply is arranged on the output surface of the second plane displacement mechanism, the controller controls the first plane displacement mechanism and the second plane displacement mechanism to synchronously move, and the first plane displacement mechanism and the second plane displacement mechanism are simultaneously arranged on a machine table of the marking machine; the cable comprises a first lead, a conductive tube and a second lead, wherein the first lead penetrates into the conductive tube from one end of the conductive tube and is in sliding contact with the inner wall of the conductive tube, the second lead is fixedly arranged at the other end of the conductive tube, and the conductive tube is fixedly arranged in the limiting channel; the side face of the first wire is fixedly provided with a limiting block, the inner side wall of the conductive tube is provided with a longitudinal groove, two ends of the longitudinal groove are not communicated, and the first wire is clamped in the longitudinal groove through the limiting block and limited through two end parts of the longitudinal groove; the support pipe is arranged on the output surface of the second plane displacement mechanism through a support, a threaded hole is formed in the center of the support, an external thread matched with the threaded hole is formed in the outer wall of the support pipe, and the longitudinal position of the support pipe in the support can be adjusted by rotating the support pipe; the two ends of the supporting tube are respectively provided with a first baffle ring and a second baffle ring, the first baffle ring and the second baffle ring are respectively in threaded fit with the threaded holes, and the first baffle ring and the second baffle ring are respectively used for limiting the two ends of the supporting tube; a limiting plate is fixedly arranged on the second wire and used for limiting the longitudinal position of the second wire; the outer sides of the first wire and the second wire are coated with protective layers; the first plane displacement mechanism and the second plane displacement mechanism are simultaneously provided with a disturbance buffer assembly, the disturbance buffer assembly comprises a fixed ring, a central hole is formed in the inner side of the fixed ring, a plurality of arc plates are arranged around the center of the central hole, a conical block is arranged on the back side of each arc plate, a slot matched with the conical block is formed in the inner wall of the fixed ring, a damping buffer mechanism is arranged in the slot, and when the conical block moves along the radial direction of the fixed ring, the conical block can be inserted into the slot and then acts on the damping buffer mechanism.
2. A cold light laser marking machine according to claim 1, wherein: the damping buffer mechanism comprises a sliding plate, an air bag, a spring and a buffer seat, wherein the buffer seat is fixed at the bottom of the slot, the sliding plate is arranged on one side of the buffer seat at intervals, a space for installing the air bag is formed between the sliding plate and the buffer seat at intervals, the spring is connected between the sliding plate and the buffer seat, and the sliding plate is arranged in the slot in a sliding manner.
3. A cold light laser marking machine according to claim 2, wherein: the surface of the buffer seat facing one side of the sliding plate is provided with a conical through hole, the bottom of the through hole is provided with a plurality of rubber plates in a superposition mode, and the air bag can be blown into the through hole and acts on the rubber plates after being expanded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311580174.5A CN117283148B (en) | 2023-11-24 | 2023-11-24 | Cold light laser marking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311580174.5A CN117283148B (en) | 2023-11-24 | 2023-11-24 | Cold light laser marking machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117283148A CN117283148A (en) | 2023-12-26 |
| CN117283148B true CN117283148B (en) | 2024-02-27 |
Family
ID=89248406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311580174.5A Active CN117283148B (en) | 2023-11-24 | 2023-11-24 | Cold light laser marking machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117283148B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106933056A (en) * | 2015-12-31 | 2017-07-07 | 上海微电子装备有限公司 | A kind of cable support mechanism and cable stage |
| CN107662840A (en) * | 2016-07-29 | 2018-02-06 | 上海微电子装备（集团）股份有限公司 | One kind motion cable take-up |
| CN207301146U (en) * | 2017-09-19 | 2018-05-01 | 三友联众集团股份有限公司 | A kind of wireless type relay sampling structure for electric energy meter |
| CN109634060A (en) * | 2017-10-09 | 2019-04-16 | 上海微电子装备（集团）股份有限公司 | Cable support mechanism |
| CN217551445U (en) * | 2022-03-19 | 2022-10-11 | 苏州创鑫激光科技有限公司 | Integrated armor for laser equipment |
| CN219598399U (en) * | 2023-03-10 | 2023-08-29 | 兰州城市学院 | Manual laser welding machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005046941A (en) * | 2003-07-31 | 2005-02-24 | Canon Inc | Stage device with cable jogging unit |
-
2023
- 2023-11-24 CN CN202311580174.5A patent/CN117283148B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106933056A (en) * | 2015-12-31 | 2017-07-07 | 上海微电子装备有限公司 | A kind of cable support mechanism and cable stage |
| CN107662840A (en) * | 2016-07-29 | 2018-02-06 | 上海微电子装备（集团）股份有限公司 | One kind motion cable take-up |
| CN207301146U (en) * | 2017-09-19 | 2018-05-01 | 三友联众集团股份有限公司 | A kind of wireless type relay sampling structure for electric energy meter |
| CN109634060A (en) * | 2017-10-09 | 2019-04-16 | 上海微电子装备（集团）股份有限公司 | Cable support mechanism |
| CN217551445U (en) * | 2022-03-19 | 2022-10-11 | 苏州创鑫激光科技有限公司 | Integrated armor for laser equipment |
| CN219598399U (en) * | 2023-03-10 | 2023-08-29 | 兰州城市学院 | Manual laser welding machine |
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| Publication number | Publication date |
|---|---|
| CN117283148A (en) | 2023-12-26 |
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