CN110449730A - Auto-focusing laser marking machine - Google Patents
Auto-focusing laser marking machine Download PDFInfo
- Publication number
- CN110449730A CN110449730A CN201910819670.9A CN201910819670A CN110449730A CN 110449730 A CN110449730 A CN 110449730A CN 201910819670 A CN201910819670 A CN 201910819670A CN 110449730 A CN110449730 A CN 110449730A
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- China
- Prior art keywords
- fixedly connected
- laser marking
- marking machine
- auto
- bottom plate
- 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 49
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 230000010365 information processing Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007787 solid Substances 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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/0665—Shaping the laser beam, e.g. by masks or multi-focusing by beam condensation on the workpiece, e.g. for focusing
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The present invention relates to laser marking machine applied technical fields, and auto-focusing laser marking machine, including bottom plate are disclosed, adjusting vertical frame is fixedly connected at the top of the bottom plate, organic block is fixedly mounted in the top for adjusting vertical frame, is fixedly installed with first motor at the top of the base.The auto-focusing laser marking machine, the middle of workbench will be placed on to mark object by being arranged, the second motor stopping movement when the signal that the first RF transmitter and the second RF transmitter issue is received by the first infrared receiver and the second infrared receiver, it is exactly at this time to mark object at the center of laser marking head bottom, achieve the effect that convenient for focusing positioning, the first fender bracket is equipped with by the outside of workbench and the second fender bracket is protected, the laser marking machine safety can be made good, to which effective solution marking machine needs to carry out the problem of being difficult to ensure its security and stability in positioning and the course of work manually.
Description
Technical field
The present invention relates to laser marking machine applied technical field, specially a kind of auto-focusing laser marking machine.
Background technique
Laser marking machine is the light and electromechanical integration equipment for combining laser technology and computer technology, laser marking skill
Art at present at home and abroad just gradually paid attention to by people by industrial application, and various novel marking equipments emerge one after another, it is with it
Unique advantage is replacing traditional marking method, can print on a variety of body surfaces such as various component of machine corresponding
Label.
104827180 A of Chinese patent CN proposes a kind of laser marking machine, and the laser marking machine of the invention is suitable for
It is marked on the miniature workpiece of irregular shape, meets personalized consumption demand, but itself and nowadays most of marking machine
Be required to be positioned and marked manually, although and its be suitable for miniature workpiece label, be difficult to protect during the work time
Demonstrate,prove its security and stability, so propose a kind of auto-focusing laser marking machine solve the problems, such as it is above-mentioned proposed in.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of auto-focusing laser marking machine, it is fixed convenient for focusing to have
Position and safety it is good the advantages that, solve marking machine need manually carry out positioning and the course of work in be difficult to ensure its safety and stability
The problem of property.
(2) technical solution
It is above-mentioned convenient for focusing positioning and the good purpose of safety to realize, the invention provides the following technical scheme: auto-focusing
Laser marking machine, including bottom plate are fixedly connected with adjusting vertical frame, the fixed peace in the top for adjusting vertical frame at the top of the bottom plate
Equipped with base, it is fixedly installed with first motor at the top of the base, slidably connects mounting blocks on the right side of the adjusting vertical frame,
The first RF transmitter is fixedly connected on the left of the mounting blocks, it is infrared to be fixedly connected with second on the right side of the mounting blocks
Line transmitter, the bottom of the mounting blocks are fixedly connected with laser marking head, and the top on the left of the bottom plate is fixedly connected with control
Case processed, the outside of the control cabinet are fixedly connected with position-limited rack, and transfer wire is fixedly connected at the top of the control cabinet, described
Right side at the top of bottom plate is fixedly installed with the second motor, and the output end of second motor is fixedly connected with the first adjustment axis, right
The outside of position-limited rack described in side is fixedly connected with first axle carrier ring, and the external screw-thread of the first axle carrier ring is connected with workbench,
The bottom of the workbench is fixedly connected with roller connecting rod, and the first infrared receiver is fixedly connected on the left of the workbench
Device is fixedly connected with the second infrared receiver on the right side of the workbench, and the outside of the workbench is fixedly connected with first
Fender bracket, the inside of first fender bracket are connected with the second fender bracket, and the external screw-thread of first fender bracket, which is connected with, to be passed through
It wears the second fender bracket and extends to the limit threaded rod outside the first fender bracket other side, the bottom of the base is fixedly connected with
Second bearing ring, the output end of the first motor are fixedly connected with the second adjustment axis, are fixedly connected at the top of the bottom plate
3rd bearing ring, the external screw-thread of second adjustment axis are connected with adjusting slider, the right side of the adjusting slider and mounting blocks
Left side be fixedly connected, the inside of the control cabinet is successively fixedly installed with signal transmitting and receiving module and information processing mould from top to bottom
Block.
Preferably, the output end of first RF transmitter and the second RF transmitter respectively with the first infrared ray
The connection of the input end signal of receiver and the second infrared receiver, first infrared receiver and the second infrared receiver
Device with signal transmitting and receiving module is two-way is electrically connected, the signal transmitting and receiving module with message processing module is two-way is electrically connected, the information
Processing module with the second motor is two-way is electrically connected.
Preferably, the bottom plate is cuboid plate structure, and shape is rectangular after the bottom plate and adjusting vertical frame combination, and
The inside for adjusting vertical frame is hollow structure.
Preferably, the identical adjusting sliding slot of height is offered on the left and right sides wall of the bottom plate, described first is infrared
Line transmitter and the second RF transmitter pass through to be fixedly connected at left and right sides of mounting plate and mounting blocks.
Preferably, the shape of the position-limited rack is L-shaped, and position-limited rack connects by the way that the top of clamping screw and bottom plate is fixed
It connects, the quantity of the position-limited rack is two and is located at the left and right sides of control cabinet.
Preferably, the control cabinet is electrically connected with laser marking head by the way that transfer wire is two-way, the output of the control cabinet
End is electrically connected with the input terminal of first motor.
Preferably, the left end of first adjustment axis is fixedly connected with the inner ring of first axle carrier ring, the idler wheel connection
Bar is that connecting rod and action roller form, and the top slide of the outside of idler wheel and bottom plate connects.
Preferably, first fender bracket and the second fender bracket are transparent PVC plastics grillage, first adjustment axis and
Second adjustment axis shape is identical and surface offers oblique thread groove.
Preferably, the inner ring of the second bearing ring and 3rd bearing ring respectively with the outside and bottom at the top of the second adjustment axis
The outside in portion is fixedly connected.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of auto-focusing laser marking machine, have it is following the utility model has the advantages that
1, the auto-focusing laser marking machine will be placed on the middle of workbench by setting to mark object, need pair
Start the second motor when coke calibration positioning, while when the signal quilt of the first RF transmitter and the sending of the second RF transmitter
The second motor stopping acts when first infrared receiver and the second infrared receiver receive, at this time to the positive benefit of mark object
At the center of laser marking head bottom, achieve the effect that convenient for focusing positioning, has been equipped with first by the outside of workbench
Fender bracket and the second fender bracket are protected, in protection to prevent staff from accidentally coming in contact laser, energy while mark object
Enough make the laser marking machine safety good.
2, the auto-focusing laser marking machine is transparent PVC plastics grillage by the first fender bracket and the second fender bracket,
And the laser marking machine can be effectively avoided to occur being difficult to observe the second fender bracket up and down adjustment after unscrewing limit threaded rod
To mark object and it is difficult to the case where adjusting, roller connecting rod is equipped with by the bottom of workbench, and roller connecting rod is connecting rod
It is formed with action roller, can effectively enhance stability when workbench smoothly moves, so that effective solution marking machine needs
The problem of being difficult to ensure its security and stability in positioning and the course of work is carried out manually.
Detailed description of the invention
Fig. 1 is auto-focusing laser marking machine structural schematic diagram proposed by the present invention；
Fig. 2 is the enlarged structure schematic diagram of A shown in auto-focusing laser marking machine Fig. 1 proposed by the present invention；
Fig. 3 is auto-focusing laser marking machine structure sectional view proposed by the present invention；
Fig. 4 is auto-focusing laser marking machine system schematic proposed by the present invention.
In figure: 1 bottom plate, 2 adjust vertical frame, 3 bases, 4 first motors, 5 mounting blocks, 6 first RF transmitters, 7 second
RF transmitter, 8 laser marking heads, 9 control cabinets, 10 position-limited racks, 11 transfer wires, 12 second motors, 13 first adjustment axis,
14 first axle carrier rings, 15 workbench, 16 roller connecting rods, 17 first infrared receivers, 18 second infrared receivers, 19
One fender bracket, 20 second fender brackets, 21 limit threaded rods, 22 second bearing rings, 23 second adjustment axis, 24 3rd bearing rings, 25
Adjusting slider, 26 signal transmitting and receiving modules, 27 message processing modules.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4, auto-focusing laser marking machine, including bottom plate 1 are please referred to, it is perpendicular that the top of bottom plate 1 is fixedly connected with adjusting
Frame 2, bottom plate 1 are cuboid plate structure, and shape is rectangular after bottom plate 1 and adjusting vertical frame 2 combine, and adjusts the inside of vertical frame 2
For hollow structure, organic block 3 is fixedly mounted in the top for adjusting vertical frame 2, and the top of base 3 is fixedly installed with first motor 4, adjusts
The right side of vertical frame 2 slidably connects mounting blocks 5, and the left side of mounting blocks 5 is fixedly connected with the first RF transmitter 6, mounting blocks 5
Right side be fixedly connected with the second RF transmitter 7, height identical adjustings cunning is offered on the left and right sides wall of bottom plate 1
Slot, the first RF transmitter 6 and the second RF transmitter 7 connect by the way that the left and right sides of mounting plate and mounting blocks 5 is fixed
It connects, the bottom of mounting blocks 5 is fixedly connected with laser marking head 8, and the top in 1 left side of bottom plate is fixedly connected with control cabinet 9, control cabinet
9 outside is fixedly connected with position-limited rack 10, and the shape of position-limited rack 10 is L-shaped, and position-limited rack 10 passes through clamping screw and bottom plate 1
Top is fixedly connected, and the quantity of position-limited rack 10 is two and is located at the left and right sides of control cabinet 9, and the top of control cabinet 9 is solid
Surely it is connected with transfer wire 11, control cabinet 9 is electrically connected with laser marking head 8 by the way that transfer wire 11 is two-way, the output of control cabinet 9
End is electrically connected with the input terminal of first motor 4, and the right side at 1 top of bottom plate is fixedly installed with the second motor 12, the second motor 12
Output end is fixedly connected with the first adjustment axis 13, and the outside of right side position-limited rack 10 is fixedly connected with first axle carrier ring 14, first axle
The external screw-thread of carrier ring 14 is connected with workbench 15, and the bottom of workbench 15 is fixedly connected with roller connecting rod 16, and first is adjusted
The left end of axis 13 is fixedly connected with the inner ring of first axle carrier ring 14, and roller connecting rod 16 is that connecting rod and action roller form,
And the outside of idler wheel is connect with the top slide of bottom plate 1, the left side of workbench 15 is fixedly connected with the first infrared receiver 17,
The right side of workbench 15 is fixedly connected with the second infrared receiver 18, and the outside of workbench 15 is fixedly connected with the first fender bracket
19, the inside of the first fender bracket 19 is connected with the second fender bracket 20, and the external screw-thread of the first fender bracket 19 is connected with through second
Fender bracket 20 simultaneously extends to the limit threaded rod 21 outside 19 other side of the first fender bracket, and the bottom of base 3 is fixedly connected with
Two bearer rings 22, the output end of first motor 4 are fixedly connected with the second adjustment axis 23, the first fender bracket 19 and the second fender bracket 20
It is transparent PVC plastics grillage, the first adjustment axis 13 is identical with 23 shape of the second adjustment axis and surface offers oblique screw thread
Slot, the top of bottom plate 1 are fixedly connected with 3rd bearing ring 24, and the inner ring of second bearing ring 22 and 3rd bearing ring 24 is respectively with
The outside at two adjustment axis, 23 top is fixedly connected with the outside of bottom, and the external screw-thread of the second adjustment axis 23 is connected with adjusting slider
25, the right side of adjusting slider 25 is fixedly connected with the left side of mounting blocks 5, and the inside of control cabinet 9 is successively fixedly mounted from top to bottom
There are signal transmitting and receiving module 26 and message processing module 27, the output end of the first RF transmitter 6 and the second RF transmitter 7
It is connect respectively with the input end signal of the first infrared receiver 17 and the second infrared receiver 18, the first infrared receiver
17 and second infrared receiver 18 with signal transmitting and receiving module 26 is two-way is electrically connected, signal transmitting and receiving module 26 and message processing module
27 two-way electrical connections, message processing module 27 with the second motor 12 is two-way is electrically connected, which passes through
One fender bracket 19 and the second fender bracket 20 are transparent PVC plastics grillage, and can be protected second after unscrewing limit threaded rod 21
20 up and down adjustment of frame can effectively avoid the laser marking machine from occurring being difficult to observe to mark object and be difficult to the case where adjusting, lead to
The bottom for crossing workbench 15 is equipped with roller connecting rod 16, and roller connecting rod 16 is that connecting rod and action roller form, Neng Gouyou
Stability when effect enhancing workbench 15 is smoothly mobile, so that effective solution marking machine needs are positioned and worked manually
The problem of being difficult to ensure its security and stability in the process.
Working principle: the auto-focusing laser marking machine will be placed on the centre of workbench 15 by being arranged to mark object
Place starts the second motor 12 when focus calibration being needed to position, while when the first RF transmitter 6 and the second RF transmitter
Second motor 12 stops dynamic when 7 signals issued are received by the first infrared receiver 17 and the second infrared receiver 18
Make, be exactly at this time to mark object at the center of 8 bottom of laser marking head, has achieved the effect that lead to convenient for focusing positioning
The outside for crossing workbench 15 is equipped with the first fender bracket 19 and the second fender bracket 20 is protected, anti-while protection is to mark object
Only staff accidentally comes in contact laser, and the laser marking machine safety can be made good.
In conclusion the auto-focusing laser marking machine, the auto-focusing laser marking machine pass through 19 He of the first fender bracket
Second fender bracket 20 is transparent PVC plastics grillage, and unscrew limit threaded rod 21 after can by 20 up and down adjustment of the second fender bracket,
It can effectively avoid the laser marking machine from occurring being difficult to observe to mark object and be difficult to the case where adjusting, pass through the bottom of workbench 15
Portion is equipped with roller connecting rod 16, and roller connecting rod 16 is that connecting rod and action roller form, and can effectively enhance workbench 15
Stability when smooth mobile, so that effective solution marking machine needs to carry out manually to be difficult to ensure in positioning and the course of work
The problem of its security and stability.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. auto-focusing laser marking machine, including bottom plate (1), it is characterised in that: be fixedly connected with tune at the top of the bottom plate (1)
It saves vertical frame (2), organic block (3) are fixedly mounted in the top for adjusting vertical frame (2), are fixedly installed at the top of the base (3)
First motor (4) slidably connects mounting blocks (5) on the right side of the adjusting vertical frame (2), and the left side of the mounting blocks (5) is fixed
It is connected with the first RF transmitter (6), is fixedly connected with the second RF transmitter (7), institute on the right side of the mounting blocks (5)
The bottom for stating mounting blocks (5) is fixedly connected with laser marking head (8), and the top on the left of the bottom plate (1) is fixedly connected with control
The outside of case (9), the control cabinet (9) is fixedly connected with position-limited rack (10), is fixedly connected with biography at the top of the control cabinet (9)
Transporting line (11), the right side at the top of the bottom plate (1) are fixedly installed with the second motor (12), the output of second motor (12)
End is fixedly connected with the first adjustment axis (13), and the outside of the right side position-limited rack (10) is fixedly connected with first axle carrier ring (14),
The external screw-thread of the first axle carrier ring (14) is connected with workbench (15), and the bottom of the workbench (15) is fixedly connected with rolling
It takes turns connecting rod (16), is fixedly connected with the first infrared receiver (17), the workbench on the left of the workbench (15)
(15) it is fixedly connected on the right side of the second infrared receiver (18), the outside of the workbench (15) is fixedly connected with the first guarantor
The inside of retaining frame (19), first fender bracket (19) is connected with the second fender bracket (20), outside first fender bracket (19)
Portion is threaded with through the second fender bracket (20) and extends to the limit threaded rod outside the first fender bracket (19) other side
(21), the bottom of the base (3) is fixedly connected with second bearing ring (22), and the output end of the first motor (4) is fixed to be connected
It is connected to the second adjustment axis (23), is fixedly connected with 3rd bearing ring (24) at the top of the bottom plate (1), second adjustment axis
(23) external screw-thread is connected with adjusting slider (25), and the right side of the adjusting slider (25) and the left side of mounting blocks (5) are fixed
Connection, the inside of the control cabinet (9) is successively fixedly installed with signal transmitting and receiving module (26) and message processing module from top to bottom
(27)。
2. auto-focusing laser marking machine according to claim 1, it is characterised in that: first RF transmitter
(6) and the output end of the second RF transmitter (7) respectively with the first infrared receiver (17) and the second infrared receiver
(18) input end signal connection, first infrared receiver (17) and the second infrared receiver (18) and signal transmitting and receiving
Module (26) two-way electrical connection, the signal transmitting and receiving module (26) with message processing module (27) is two-way is electrically connected, the information
Processing module (27) with the second motor (12) is two-way is electrically connected.
3. auto-focusing laser marking machine according to claim 1, it is characterised in that: the bottom plate (1) is cuboid plate
Shape is rectangular after shape structure, the bottom plate (1) and adjusting vertical frame (2) combination, and the inside for adjusting vertical frame (2) is hollow knot
Structure.
4. auto-focusing laser marking machine according to claim 1, it is characterised in that: the left and right sides of the bottom plate (1)
The identical adjusting sliding slot of height is offered on wall, first RF transmitter (6) and the second RF transmitter (7) are equal
By being fixedly connected at left and right sides of mounting plate and mounting blocks (5).
5. auto-focusing laser marking machine according to claim 1, it is characterised in that: the shape of the position-limited rack (10) is in
L shape, and position-limited rack (10), by being fixedly connected at the top of clamping screw and bottom plate (1), the quantity of the position-limited rack (10) is two
The left and right sides that is a and being located at control cabinet (9).
6. auto-focusing laser marking machine according to claim 1, it is characterised in that: the control cabinet (9) and laser are beaten
Header (8) passes through transfer wire (11) two-way electrical connection, the output end of the control cabinet (9) and the input terminal of first motor (4)
Electrical connection.
7. auto-focusing laser marking machine according to claim 1, it is characterised in that: first adjustment axis (13) is most
Left end is fixedly connected with the inner ring of first axle carrier ring (14), and the roller connecting rod (16) is that connecting rod and action roller form,
And the outside of idler wheel is connect with the top slide of bottom plate (1).
8. auto-focusing laser marking machine according to claim 1, it is characterised in that: first fender bracket (19) and
Two fender brackets (20) are transparent PVC plastics grillage, first adjustment axis (13) it is identical with the second adjustment axis (23) shape and
Surface offers oblique thread groove.
9. auto-focusing laser marking machine according to claim 1, it is characterised in that: the second bearing ring (22) and
The inner ring of three bearer rings (24) is fixedly connected with the outside of outside and bottom at the top of the second adjustment axis (23) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910819670.9A CN110449730A (en) | 2019-08-31 | 2019-08-31 | Auto-focusing laser marking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910819670.9A CN110449730A (en) | 2019-08-31 | 2019-08-31 | Auto-focusing laser marking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110449730A true CN110449730A (en) | 2019-11-15 |
Family
ID=68490193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910819670.9A Pending CN110449730A (en) | 2019-08-31 | 2019-08-31 | Auto-focusing laser marking machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110449730A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113059272A (en) * | 2021-03-31 | 2021-07-02 | 芜湖造船厂有限公司 | Laser scale distance dotting device and method for tensile sample |
-
2019
- 2019-08-31 CN CN201910819670.9A patent/CN110449730A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113059272A (en) * | 2021-03-31 | 2021-07-02 | 芜湖造船厂有限公司 | Laser scale distance dotting device and method for tensile sample |
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Application publication date: 20191115 |
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