CN110102904A - The laser marking method and system of watchcase character - Google Patents
The laser marking method and system of watchcase character Download PDFInfo
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- CN110102904A CN110102904A CN201910266085.0A CN201910266085A CN110102904A CN 110102904 A CN110102904 A CN 110102904A CN 201910266085 A CN201910266085 A CN 201910266085A CN 110102904 A CN110102904 A CN 110102904A
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- wristwatch case
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Classifications
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- 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
- B23K26/60—Preliminary treatment
-
- 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
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Laser Beam Processing (AREA)
Abstract
The present invention provides the laser marking methods and system of a kind of watchcase character, comprising: Wristwatch case is fastened on laser equipment by preset fixed fixture；Obtain laser parameter, mark parameter and the default mark location started in mark signal；It enables laser equipment run with laser parameter, and after enabling laser head be moved to default mark location from initial position, laser head is enabled to carry out mark in default mark location according to mark parameter；After receiving end mark signal, laser head is enabled to be moved to initial position；Process requirements are obtained, and are obtained and matched second cleaning agents of process requirements and the second cleaning duration；Fixed fixture is unclamped, and will be removed and placed in the second cleaning agents in Wristwatch case self-retaining jig；Wristwatch case is cleaned in the second cleaning duration by the second cleaning agents according to process requirements.The present invention can to avoid environmental pollution, process flow is simple, improves processing efficiency, save the cost, the good appearance degree for promoting product.
Description
Technical field
The invention belongs to technical field of laser processing, are to be related to a kind of laser marking side of watchcase character more specifically
Method and system.
Background technique
Traditional wrist-watch processing industry is a time-honored industry, the people that most process flow needs to count too much
The participation of member, but with the increase of wrist-watch demand, traditional wrist-watch processing industry is simultaneously not content with current demand, i.e., plus
Work inefficiency；Wherein, the character or brand identity being related in wrist-watch are equal in the process flow of conventional wristwatch processing industry
It is to be completed using the methods of conventional etch, it is various that this engraving method is related to process, and processing is complicated cumbersome, that is, is easy to appear processing
Problem；Due to silk-screen of the method in etching process procedure of conventional etch, pickling, electricity is thrown, and spraying etc. is made means and not only uses
To a large amount of processing raw material, and a large amount of pollution and harmful substance can be generated, these pollutions and harmful substance are to environment shadow
Sound is very big, i.e. this engraving method method for belonging to high pollution and high energy consumption, with the reinforcement that people's economical environment-protective is realized, this etching
The corresponding traditional wrist-watch processing industry of method faces the risk banned；And this engraving method can not achieve Wristwatch case ratio
Finer and other effects, i.e., production effect is low；Therefore, need to find a kind of technical solution that can solve the above problem becomes this field skill
Art personnel need the problem of to be solved.
Summary of the invention
The present invention provides a kind of laser marking method of watchcase character, and to solve to exist in the prior art, processing efficiency is low
Under, be easy to appear processing problems, there is technical issues that high pollution, high energy consumption and low.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of laser marking method of watchcase character is provided,
Include:
Wristwatch case is cleaned in the first cleaning duration using the first cleaning agents；
The Wristwatch case is fastened on the laser equipment of picosecond or femtosecond by preset fixed fixture；
After receiving beginning mark signal, the laser ginseng of the laser equipment for starting to include in mark signal is obtained
The default mark location of number, mark parameter and the Wristwatch case；
It enables the laser equipment run with the laser parameter, and the laser head of the laser equipment is enabled to move from initial position
It moves to the default mark location, the laser head is enabled to be beaten according to the mark parameter in the default mark location
Mark；
After receiving end mark signal, the laser head is enabled to be moved to the initial position；
Process requirements are obtained, and are obtained and matched second cleaning agents of the process requirements and the second cleaning duration；
The fixed fixture is unclamped, and the Wristwatch case is removed and placed from the fixed fixture into described second
In cleaning agents；
The wrist-watch is cleaned in the second cleaning duration by second cleaning agents according to the process requirements
Shell.
Further, first cleaning agents include alcohol；The second specific cleaning agents include that clear water and acid are molten
Liquid.
Further, the fixed fixture includes the bottom plate being mounted on the laser equipment, is mounted on the bottom plate
Positioning plate and driving cylinder, two clamping jaws for being connected to the driving cylinder, two clamping jaws are symmetrical arranged, and two clamping jaws and institute
The accommodation space formed between positioning plate for placing the Wristwatch case is stated, the clamping jaw is equipped with and the Wristwatch case
The V-type holding section of outer edge adaptation, when the Wristwatch case is clamped in the accommodation space by the clamping jaw, the V-type card
Two lateral walls and the Wristwatch case outer edge for holding portion are tangent.
Further, the laser parameter of the laser equipment include: laser power be 2~10W, mark speed is
100~1000mm/s, empty hop rate degree are 500~3000mm/s, Q frequency is 100~1000KHz, focal position of laser is positive coke.
It is further, described that the laser head is enabled to carry out mark in the default mark location according to the mark parameter,
Include:
According to the content distributing order in the mark content of the mark parameter, the laser of the laser equipment is determined
Movement routine of the head in the default mark location；
The laser head is enabled to carry out mobile mark in the default mark location according to the movement routine
It is further, described after receiving end mark signal, further includes:
Obtain the mark progress after receiving the end mark signal；
Judge whether the mark progress is that mark is completed；
If the mark progress is not that mark is completed, the current mark progress is saved, and connect next time
After receiving the beginning mark signal, enable the laser head of the laser equipment corresponding from the mark progress saved
Position starts to carry out mark to the default mark location of the Wristwatch case；
If the mark progress is that mark is completed, the institute on the Wristwatch case shot by picture pick-up device is obtained
State the marking image of default mark location.
Further, the mark parameter includes the size of mark content and the mark content, described to obtain by taking the photograph
After the marking image of the default mark location on the Wristwatch case shot as equipment, further includes:
Judge whether the marking image is consistent with the mark content in the mark parameter；
If the marking image is consistent with the mark content, the Wristwatch case is turned by preset transfer equipment
Move to default assembled position；
If the marking image and the mark content are inconsistent, when confirming that the laser parameter is wrong, then basis
Preset rules readjust the laser parameter, enable the laser equipment and are run with the laser parameter after readjusting, and
After enabling the laser head of the laser equipment be moved to the default mark location from the initial position, the laser is enabled
The default mark location of the head according to the mark parameter in the next Wristwatch case cleaned carries out mark.
It is further, described to judge whether the marking image is consistent with the mark content in the mark parameter, comprising:
The marking image is divided into the first pixel of multiple equal-sizeds；
After the dimension scale for obtaining the mark content and the marking image in the mark parameter, according to the ruler
Very little ratio is extremely consistent with the marking image by the size adjusting of the mark content；
According to first pixel size by the mark division of teaching contents be multiple equal-sizeds described in the second pixel
Point；
Judge whether the quantity of second pixel and first pixel is identical；
If the quantity of second pixel and first pixel is not identical, confirm the marking image with it is described
Mark content is inconsistent.
Further, after whether the quantity for judging second pixel and first pixel is identical, also
Include:
If second pixel is identical with the quantity of first pixel, each institute in the mark content is judged
It states the second pixel and whether each first pixel in the marking image is consistent；
If each second pixel is consistent with each first pixel, the marking image and the mark are confirmed
Content is consistent；
If each second pixel and each first pixel are inconsistent, confirm that the marking image is beaten with described
It is inconsistent to mark content, and prompts the marking image there are mistakes.
The present invention also provides a kind of laser marking system of watchcase character, including laser equipment, it is mounted on the source, laser apparatus
Standby upper fixed fixture, the control module for being connected to the laser equipment and the fixed fixture, the control module include:
First cleaning module, for using the first cleaning agents to clean Wristwatch case in the first cleaning duration；
Fastening module, for the Wristwatch case to be fastened on described in picosecond or femtosecond by the fixed fixture
On laser equipment；
First obtains module, for obtaining the institute for starting to include in mark signal after receiving beginning mark signal
State the default mark location of the laser parameter of laser equipment, mark parameter and the Wristwatch case；
Mark module for enabling the laser equipment run with the laser parameter, and enables the laser of the laser equipment
After head is moved to the default mark location from initial position, enable the laser head according to the mark parameter described default
Mark location carries out mark；
Mobile module, for enabling the laser head be moved to the initial position after receiving end mark signal；
Second obtains module, for obtaining process requirements, and obtains and matched second cleaning agents of the process requirements
And second cleaning duration；
Placement module is taken out simultaneously for unclamping the fixed fixture, and by the Wristwatch case from the fixed fixture
It is placed into second cleaning agents；
Second cleaning module.For according to the process requirements by second cleaning agents described second cleaning when
The cleaning Wristwatch case in long.
The laser marking method of watchcase character provided by the invention and the beneficial effect of system are: laser of the invention is beaten
Mark method can play protection environment and energy saving effect to avoid environmental pollution；And the process phase of laser marking of the present invention
Than traditional processing method, process flow is simple, and for the adaptable of different process requirements, reduces going out for processing problems
It is existing, processing efficiency is improved, cost has been saved；Meanwhile the Wristwatch case after present invention processing has better production effect,
I.e. effect is beautiful, fine and smooth, has special gloss, improves good appearance degree.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the flow diagram of the laser marking method of watchcase character provided in an embodiment of the present invention；
Fig. 2 is the fixed fixture structural schematic diagram in the laser marking method of watchcase character provided in an embodiment of the present invention；
Fig. 3 be watchcase character provided in an embodiment of the present invention laser marking method in enable laser head be existed according to mark parameter
The flow diagram of mark location progress mark；
Fig. 4 be watchcase character provided in an embodiment of the present invention laser marking method in judge whether mark progress is complete
Target flow diagram in dozen；
Fig. 5 be watchcase character provided in an embodiment of the present invention laser marking method in judge marking image whether with mark
The consistent flow diagram of mark content in parameter；
Fig. 6 is the structural schematic diagram in the laser marking system of watchcase character provided in an embodiment of the present invention.
Wherein, each label in Fig. 2:
1- bottom plate；2- positioning plate；3- driving cylinder；4- clamping jaw；5- clamping jaw；6- Wristwatch case.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that it can directly on the other element when element is referred to as " being anchored on " another element
Or indirectly on another element.When an element is known as " being connected to " another element, it, which can be, directly connects
It is connected to another element or is indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
Also referring to Fig. 1, a kind of flow diagram of the laser marking method of watchcase character of the invention is shown, is had
Body includes the following steps:
S10 cleans Wristwatch case in the first cleaning duration using the first cleaning agents.
Understandably, the first cleaning agents can for alcohol reagent etc., other can be recovered and harmless having is cleaned and made
Cleaning agents；Since there may be fouls, greasy dirt and other impurities for the surface of Wristwatch case, and impurity influences whether wrist-watch
Absorption of the shell to laser, to influence the effect after laser marking；Therefore, shadow can be washed using the first cleaning reagent
The impurity of the mark effect of laser marking is rung, guarantees Wristwatch case surface cleaning and the effect without greasy dirt.
The Wristwatch case is fastened on the laser equipment of picosecond or femtosecond by S20 by preset fixed fixture.
Further, referring to Fig. 2, a specific implementation as fixed fixture in the present invention, fixed fixture include installation
Bottom plate 1 on laser equipment, the positioning plate 2 and driving cylinder 3, two clamping jaws 4 for being connected to driving cylinder 3 being mounted on bottom plate 1, two
Clamping jaw 4 is symmetrical arranged, and the accommodation space for placing Wristwatch case 5 is formed between two clamping jaws 4 and positioning plate 2, is set on clamping jaw 4
There are the V-type holding section being adapted to the outer edge of Wristwatch case 5, when Wristwatch case 5 is clamped in accommodation space by clamping jaw, V-type card
Two lateral walls and the Wristwatch case outer edge for holding portion are tangent.
Understandably, preset fixed fixture includes the bottom plate 1 being mounted on laser equipment, is mounted on bottom plate 1 and determines
Position plate 2, driving cylinder 3 and two clamping jaws 4 for connecting driving cylinder 3；Specifically, two clamping jaws 4 are symmetrical arranged, two clamping jaws 4 and positioning plate 2 it
Between form the accommodation space for placing Wristwatch case 5, clamping jaw 4 is equipped with the V-type clamping being adapted to the outer edge of Wristwatch case 5
Portion, when Wristwatch case 5 is clamped in accommodation space by clamping jaw 4, the two lateral walls and 5 outer edge of Wristwatch case of V-type holding section
It is tangent, and the accommodation space formed between this two clamping jaw 4 and positioning plate 2 can guarantee Wristwatch case 5 on positioning plate be in water
Level state, preferably, two clamping jaws 4 are by acetal plastic and non-metallic material is made, and reduces clamping jaw 4 on Wristwatch case 5
The probability of scuffing is generated on the contact surface being in contact with it, and (clamping force of clamping jaw 4 has limitation power to the dynamics of the clamping force of clamping jaw 4
Limitation is limited to more than this and will lead to the deformation of clamping jaw 4 from power) it is driven the pressure control of cylinder 3, the dynamics of the clamping force of clamping jaw 4
It can guarantee that Wristwatch case 5 is not damaged.
S30 obtains swashing for the laser equipment for starting to include in mark signal after receiving beginning mark signal
The default mark location of optical parameter, mark parameter and the Wristwatch case.
Optionally, mark parameter includes the size of mark content, mark content, and mark content may include mark character
Type, brand identity, traceability code and mark content color (pulse energy and pulse width of strict control laser can be passed through
To realize the color of mark content；And the color of mark content can be selected according to process requirements, it may include brilliant white, black or
Other have the color of identification and tracing function).Mark parameter is also the parameter pre-set, this mark parameter is that basis adds
Work demand determines (this process requirements can be decided in its sole discretion by party in request), is satisfied with party in request so as to allow laser equipment to process
Product, improve party in request's satisfaction.
Understandably, in this step, laser parameter and mark parameter can be pre-set according to process requirements, i.e. root
According to the corresponding effect of process requirements (so that the mark content on Wristwatch case after mark can achieve in process requirements and require
Effect) go to be tested in advance, obtain stable laser parameter, and imported in advance according to process requirements in mark software or
The size for directly drawing mark content in the mark content and setting mark parameter in mark parameter, obtains mark parameter；It is default
Mark location can also determine (such as the mark location of Wristwatch case be generally Wristwatch case centre) according to process requirements；
Specifically, Wristwatch case is fastened on in step S20 by preset fixed fixture the laser of picosecond or femtosecond in front
After in equipment, step S10 corresponding equipment and laser equipment group being integrally formed equipment into S20 can pass through between equipment
Communication cable connects (cable transmission is electric signal), i.e. the corresponding server of laser equipment can receive triggering programmable button
(it can manually trigger, also Wristwatch case can be fastened on by picosecond or femtosecond by preset fixed fixture detecting
After on laser equipment, automatic trigger) the beginning mark signal that sends, it will be appreciated that ground, pre-set according to process requirements and
Laser parameter needed for laser marking device and mark parameter are pre-stored in database, and start mark letter receiving
Laser parameter and mark parameter are transferred from database before number, and laser parameter and mark parameter are with beginning mark signal
Being sent to server, (once the corresponding server of laser equipment, which receives, starts mark signal, laser equipment need to be to have preset
Good laser parameter and the operation of mark parameter, preset laser parameter and beat if the corresponding server of laser equipment has not been obtained
Parameter is marked, laser equipment then runs unsuccessful), the default mark location of laser equipment mark Wristwatch case is equally with beginning
Mark signal is sent to server, that is, having been acknowledged default mark location before sending beginning mark signal.
Optionally, laser parameter may include: laser power be 2~10W, mark speed is 100~1000mm/s, empty jumps
Speed is 500~3000mm/s, Q frequency is 100~1000KHz, focal position of laser is positive coke.
Optionally, to set three groups of optional laser parameters as follows in the present invention:
First group of laser parameter: laser power is 2~4.07W, mark speed is 100~400mm/s, empty hop rate degree is
1000~2000mm/s, Q frequency are 100~200KHz, focal position of laser is positive coke；Further, in this group of laser parameter,
It is as follows that preferred laser parameter can be set: laser power 4.07W, mark speed are 400mm/s, empty hop rate degree is 2000mm/
S, Q frequency is 200KHz, focal position of laser is positive coke.
Second group of laser parameter: laser power is 4.07~4.28W, mark speed is 400~500mm/s, empty hop rate degree
For 2000~3000mm/s, Q frequency be 200~300KHz, focal position of laser is positive coke；Further, in this group of laser parameter
In, it is as follows can to set preferred laser parameter: laser power 4.28W, mark speed are 500mm/s, empty hop rate degree is
3000mm/s, Q frequency are 300KHz, focal position of laser is positive coke.
Third group laser parameter: laser power is 5.23~10W, mark speed is 600~1000mm/s, empty hop rate degree is
500~1000mm/s, Q frequency are 400~1000KHz, focal position of laser is positive coke；Further, in this group of laser parameter,
It is as follows that preferred laser parameter can be set: laser power 5.23, mark speed are 600mm/s, empty hop rate degree be 1000mm/s,
Q frequency is 400KHz, focal position of laser is positive coke.
By experiment and it was verified that above-mentioned preferred three groups of laser parameters can make the default final mark of mark location
Mark content it is finer and smoother, more for special gloss so that the wrist-watch of installation Wristwatch case has higher surcharge.
S40 enables the laser equipment run with the laser parameter, and enables the laser head of the laser equipment from initial bit
Set and be moved to after the default mark location, enable the laser head according to the mark parameter the default mark location into
Row mark.
In this step, specifically, laser equipment is opened, laser equipment is enabled to adjust laser head, even laser head is from initial
Position is moved to default mark location, then adjusts the focal length of laser head, so that the focus in focal length is fallen within default mark location, most
The laser parameter operation for enabling laser equipment get afterwards, it can highly dense in focal point generation using the laser in laser equipment
Spend energy and mark carried out to Wristwatch case, the position of focus can be controlled during this mark by high-precision galvanometer, i.e., according to
The content distributing order of mark content in mark parameter determines position of the focus in next default mark location.
In the present embodiment, the parameter for using the laser parameter pre-set to need when running as laser equipment, by
In this laser parameter be the obtained data of many experiments, and the combination of each group of data be likely to be breached respective appearance or compared with
Good appearance, i.e. server can select one group of most suitably used laser parameter according to process requirements, to reduce processed
Rejection rate in journey improves processing efficiency, improves the appearance of product；Mark parameter is also the parameter pre-set, this
Mark parameter is to determine (this process requirements can be decided in its sole discretion by party in request) according to process requirements, and default mark location is also basis
Process requirements determine, are satisfied with the product of party in request so as to allow laser equipment to process, improve party in request's satisfaction.
S50 enables the laser head be moved to the initial position after receiving end mark signal.
Understandably, in one embodiment, after the corresponding server of laser equipment receives end mark signal, it is also necessary to
The mark progress for obtaining this mark process goes to judge whether this mark progress is that mark is completed (referring in particular to step
S501 to step S504), and save its mark progress；Understandably, mark progress is that mark is completed or is not to be completed to beat
Mark all needs oxide or burr and other impurities that Wristwatch case is cleaned using the second cleaning reagent, is not in mark progress
It is that, if the oxide or burr and other impurities of Wristwatch case are not cleaned, may be influenced whether the case where mark is completed
The effect of laser marking；Therefore, it after step S50, regardless of whether mark progress is to be completed, is required to using the second cleaning examination
Wristwatch case is cleaned in agent；But the selection of the second cleaning agents of Wristwatch case and cleaning duration are needed according to mark progress
It is selected, that is, mark progress is to be completed to be with mark progress when not completing, second cleaning agents of the two or/and clear
Washing duration, there may be difference.
In the present embodiment, once laser can be allowed in the case where not completing there are laser equipment to Wristwatch case mark
Equipment mark progress unfinished before continuing carries out mark to Wristwatch case, thereby may be ensured that the continuity of processing；Therefore,
In the case where mark does not complete, the Wristwatch case that non-mark is completed directly will not be regarded as into waste product, and then saved material.
S60 obtains process requirements, and when acquisition and matched second cleaning agents of the process requirements and the second cleaning
It is long.
Understandably, the second cleaning agents other can be recovered and harmless for clear water or dilute acid solution etc.
Reagent with scavenging effect；After the completion of mark, there are the oxides or burr that generate during mark for Wristwatch case
And other impurities, to influence the appearance of Wristwatch case；Therefore, can according to the corresponding appearance of process requirements,
Selection and most matched second cleaning agents of appearance and the second cleaning duration, it will be appreciated that ground, appearance (different materials
Also appearance can be had an impact, therefore, appearance is equally associated with the material of Wristwatch case) and the second cleaning agents
And second cleaning duration (can also include cleaning in additional move, for example, when overturn Wristwatch case etc. movement) it
Between corresponding relationship be preset and stored in the database, it is only necessary to according to appearance preset in process requirements
Transferred from database in process requirements matched second cleaning agents of appearance and the second cleaning duration it is (and above-mentioned
Additional move).
S70 unclamps the fixed fixture, and the Wristwatch case is removed and placed from the fixed fixture into described
In second cleaning agents.
In this step, specifically, two clamping jaws in fixed fixture are unclamped, by mechanical arm by Wristwatch case from fixation
After being taken out in jig, it is placed in and matched second cleaning agents of process requirements.
S80 is cleaned in duration described in cleaning by second cleaning agents described second according to the process requirements
Wristwatch case.
In this step, specifically, according to the corresponding appearance of process requirements, in the process of cleaning, server can be with
The additional move in the second cleaning agents corresponding with appearance, cleaning duration and cleaning is selected according to process requirements, is protected
Card appearance utmostly corresponding with processing needs is coincide.
Further, referring to Fig. 3, described enable the laser head according to the mark parameter in the default mark location
Mark is carried out, is included the following steps:
S401 determines the institute of the laser equipment according to the content distributing order in the mark content of the mark parameter
Laser head is stated in the movement routine of the default mark location；
S402 enables the laser head carry out mobile mark in the default mark location according to the movement routine.
Understandably, content distribution sequence is point of the mark content that finally shows of default mark location of Wristwatch case
Cloth sequence, such as each character in mark content are to be distributed from left to right or mark content is divided from left to right
After cloth, also it is distributed from top to bottom；Movement routine can determine laser head in default mark location according to content distribution sequence
Mark sequence and the spacing between path (being set according to process requirements) side by side, for example, the mark content that above-mentioned example is mentioned
In each character be to be distributed to the right, i.e., mark sequence of the laser head in default mark location can be to get to from a left side
It is right.
In the present embodiment, according to the content distribution sequence in mark content, laser equipment can be according to this content distribution
Sequence carries out mark, to ensure that the order of mark process, reduce error rate or increase process complexity.
Further, referring to Fig. 4, it is described after receiving end mark signal, further include following steps:
S501 obtains the mark progress after receiving the end mark signal；
S502 judges whether the mark progress is that mark is completed；
S503 saves the current mark progress, and next if the mark progress is not that mark is completed
It is secondary receive the beginning mark signal after, enable the laser head of the laser equipment from the mark progress pair saved
The position answered starts to carry out mark to the default mark location of the Wristwatch case；
S504 obtains the Wristwatch case shot by picture pick-up device if the mark progress is that mark is completed
On the default mark location marking image.
Understandably, it after receiving end mark signal, is not intended to this laser equipment and Wristwatch case is processed
At；In particular it is required that obtaining the mark progress of this mark process, and go to judge this mark after receiving end mark signal
Whether progress is that mark is completed；If mark progress is not that mark is completed, current mark progress is saved, and next
It is secondary receive start mark signal after, enable the laser head of laser equipment be moved to the corresponding position of mark progress saved, press
Movement routine (the movement after having saved the corresponding position of mark progress determined according to the content distribution sequence in mark content
Path) it goes to start to carry out mark to the default mark location of Wristwatch case；If mark progress is that mark is completed, pass through installation
The mark content of the default mark location on picture pick-up device shooting Wristwatch case on laser equipment, obtains marking image.
In the present embodiment, once there is a situation where that laser equipment does not complete Wristwatch case mark, source, laser apparatus can be allowed
It is standby to continue mark progress unfinished before to Wristwatch case progress mark, it thereby may be ensured that the continuity of processing；In mark
In the case where not completing, the Wristwatch case that non-mark is completed directly will not be regarded as into waste product, and then saved raw material.
Further, described referring to Fig. 5, the mark parameter includes the size of mark content and the mark content
After the marking image for obtaining the default mark location on the Wristwatch case shot by picture pick-up device, further include as
Lower step:
S5041 judges whether the marking image is consistent with the mark content in the mark parameter；
The Wristwatch case is passed through preset transfer if the marking image is consistent with the mark content by S5042
Equipment is transferred to default assembled position；
S5043, if the marking image and the mark content are inconsistent, when confirming that the laser parameter is wrong,
The laser parameter then is readjusted according to preset rules, the laser equipment is enabled and is transported with the laser parameter after readjusting
Row, and after enabling the laser head of the laser equipment be moved to the default mark location from the initial position, enable institute
The default mark location of the laser head according to the mark parameter in the next Wristwatch case cleaned is stated to carry out
Mark.
Understandably, since laser equipment may will receive external force factor (laser head is artificially deviated) and inside
Factor (situations such as aging occurs for the device in laser head, the capacity of equipment of laser equipment is insufficient, laser parameter setting is unreasonable)
Influence or laser equipment in laser the other factors such as influenced by environmental factor (situations such as temperature is excessively high), to swash
Light device will lead to mark content and (shot by picture pick-up device during carrying out mark to default mark location
Marking image) it is inconsistent with mark content；In particular it is required that judge marking image whether with the mark content one in mark parameter
It causes, and under unanimous circumstances, Wristwatch case (by mechanical arm or is passed through into mechanical arm by preset transfer equipment
Wristwatch case is put into conveyer belt) be transferred to default assembled position (can be by Wristwatch case and composition relevant to Wristwatch case
Device carries out back segment processing assembling, and relevant composition device may include watchband, the wrist-watches such as dial plate device), in inconsistent situation
Under, after by artificially successively excluding above-mentioned each factor, server confirms that inconsistent reason sets for laser parameter
When setting unreasonable (laser parameter mentioned is wrong), server need to (this preset rules can be random according to preset rules at this time
Determine the laser parameter of next new laser parameter or a best effects in all laser parameters, this new laser
Parameter can reach effect corresponding with process requirements, and this new laser parameter and original laser parameter are obtained by many experiments
The data arrived, but original laser parameter has no suitable for this laser marking) laser parameter is readjusted, and after readjustment
Laser parameter be used for next Wristwatch case.
In the present embodiment, by going to judge whether marking image is consistent with the mark content in mark parameter, can guarantee
Whether mark content (marking image) is satisfied with process requirements；Confirming that inconsistent reason is that laser parameter is wrong, is then swashing
Light device will not continue to use this laser parameter, and will use new laser parameter, to guarantee subsequent other Wristwatch cases
Marking image it is consistent with mark content, reduce rejection rate, improve processing efficiency.
Further, described to judge whether the marking image is consistent with the mark content in the mark parameter, including,
Include the following steps:
The marking image is divided into the first pixel of multiple equal-sizeds；
After the dimension scale for obtaining the mark content and the marking image in the mark parameter, according to the ruler
Very little ratio is extremely consistent with the marking image by the size adjusting of the mark content；
According to first pixel size by the mark division of teaching contents be multiple equal-sizeds described in the second pixel
Point；
Judge whether the quantity of second pixel and first pixel is identical；
If the quantity of second pixel and first pixel is not identical, confirm the marking image with it is described
Mark content is inconsistent.
Understandably, pixel is to form the most basic unit element of image, also refers to the image shown in a digital sequence table
In a minimum unit, can be by as pixel；Specifically, during image is divided, pixel is had been divided
The color value of one clear position and distribution, the mark content in mark parameter are import in mark software or directly
It draws, mark content can be stored with a kind of picture format, and mark content can also be preset in mark in mark software
The size of appearance, server can calculate the dimension scale of mark content and marking image after getting the size of marking image,
The size adjusting of mark content (can should beaten to consistent with the size of marking image according to the dimension scale calculated
Under the premise of mark content and marking image resolution ratio are consistent, respectively possess in long and wide both direction since resolution ratio refers to
Pixel number influence whether the first pixel and second that is, when the resolution ratio of mark content and marking image is not identical
The whether identical problem of pixel), and mark content is divided into multiple equal-sizeds second according to the size of the first pixel
After pixel, then judge whether identical (the mark content under equal resolution of the quantity of the second pixel and the first pixel
And marking image, server do not ensure that a sub-picture is made of numerous pixel, can only guarantee at long and wide two
Be made of on direction numerous pixel, i.e., the quantity of the second pixel and the first pixel there may be different situation or
For person due to server problem, server does not ensure that under equal resolution the length of mark content and marking image and wide two
Whether the quantity of the pixel in direction is consistent, and the size of the second pixel of division is too large or too small), finally according to the second picture
The vegetarian refreshments situation whether identical as the quantity of the first pixel determines whether marking image unanimously (can first judge with mark content
The quantity of the length and wide the second pixel of both direction of mark content and marking image and the quantity of the first pixel).
In the present embodiment, first judge whether the quantity of the second pixel and the first pixel is identical, it can be in judging result
When quantity for the second pixel and the first pixel is identical, subsequent step is just executed；So as to reduce the work of server
Make, does not directly confirm whether each second pixel and each first pixel are consistent first.
Further, after whether the quantity for judging second pixel and first pixel is identical, also
Include the following steps:
If second pixel is identical with the quantity of first pixel, each institute in the mark content is judged
It states the second pixel and whether each first pixel in the marking image is consistent；
If each second pixel is consistent with each first pixel, the marking image and the mark are confirmed
Content is consistent；
If each second pixel and each first pixel are inconsistent, confirm that the marking image is beaten with described
It is inconsistent to mark content, and prompts the marking image there are mistakes.
Understandably, since above-mentioned example mentions the color value that pixel has been divided a clear position and distribution,
Therefore server can be by judging whether consistent and color value is for the second pixel position corresponding with the first pixel
It is no consistent；Specifically, behind the position that first pixel is confirmed in a marking image, from mark content check one with
Second pixel of the first pixel corresponding position, then judge color value between the first pixel and the second pixel is whether
Unanimously, when each second pixel is consistent with each first pixel, then it can be confirmed that marking image is consistent with mark content, each
When the second pixel and inconsistent each first pixel, that is, there is second pixel and corresponding first pixel not
It when consistent, then can be confirmed that marking image and mark content are inconsistent, and go prompt marking image to exist by way of prompt
Mistake.
In the present embodiment, under the premise of being accurate content with mark content, confirm that marking image is with mark content
It is no consistent, when marking image and mark content are inconsistent (when marking image has mistake), then it can determine this marking image
The Wristwatch case at place is waste product.
Further, referring to Fig. 6, showing a kind of structural representation of the laser marking system of watchcase character of the invention
Figure, specifically includes following module:
First cleaning module 11, for using the first cleaning agents to clean Wristwatch case in the first cleaning duration；
Fastening module 12, for the Wristwatch case to be fastened on to the institute of picosecond or femtosecond by the fixed fixture
It states on laser equipment；
First obtains module 13, includes for obtaining in the beginning mark signal after receiving beginning mark signal
The default mark location of the laser parameter of the laser equipment, mark parameter and the Wristwatch case；
Mark module 14 for enabling the laser equipment run with the laser parameter, and enables swashing for the laser equipment
After shaven head is moved to the default mark location from initial position, enable the laser head according to the mark parameter described pre-
If mark location carries out mark；
Mobile module 15, for enabling the laser head be moved to the initial position after receiving end mark signal；
Second obtains module 16, for obtaining process requirements, and obtains and tries with matched second cleaning of the process requirements
Agent and the second cleaning duration；
Placement module 17 is taken out for unclamping the fixed fixture, and by the Wristwatch case from the fixed fixture
And it is placed into second cleaning agents；
Second cleaning module 18, for being cleaned by second cleaning agents described second according to the process requirements
The cleaning Wristwatch case in duration.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of laser marking method of watchcase character, which comprises the following steps:
Wristwatch case is cleaned in the first cleaning duration using the first cleaning agents；
The Wristwatch case is fastened on the laser equipment of picosecond or femtosecond by preset fixed fixture；
After receiving beginning mark signal, the laser parameter of the acquisition laser equipment for starting to include in mark signal,
The default mark location of mark parameter and the Wristwatch case；
It enables the laser equipment run with the laser parameter, and the laser head of the laser equipment is enabled to be moved to from initial position
After the default mark location, the laser head is enabled to carry out mark in the default mark location according to the mark parameter；
After receiving end mark signal, the laser head is enabled to be moved to the initial position；
Process requirements are obtained, and are obtained and matched second cleaning agents of the process requirements and the second cleaning duration；
The fixed fixture is unclamped, and the Wristwatch case is removed and placed from the fixed fixture into second cleaning
In reagent；
The Wristwatch case is cleaned in the second cleaning duration by second cleaning agents according to the process requirements.
2. the laser marking method of watchcase character according to claim 1, which is characterized in that the first cleaning agents packet
Include alcohol；The second specific cleaning agents include clear water and acid solution.
3. the laser marking method of watchcase character according to claim 1, which is characterized in that the fixed fixture includes peace
Bottom plate on the laser equipment, the positioning plate being mounted on the bottom plate and driving cylinder are connected to the driving cylinder
Two clamping jaws, two clamping jaws are symmetrical arranged, and are formed between two clamping jaws and the positioning plate for placing the watch case
The accommodation space of body, the clamping jaw are equipped with the V-type holding section being adapted to the outer edge of the Wristwatch case, the Wristwatch case
When being clamped in the accommodation space by the clamping jaw, outside the two lateral walls of the V-type holding section and the Wristwatch case
Edge is tangent.
4. the laser marking method of watchcase character according to claim 1, which is characterized in that the laser equipment it is described
Laser parameter include: laser power be 2~10W, mark speed is 100~1000mm/s, empty hop rate degree is 500~3000mm/
S, Q frequency is 100~1000KHz, focal position of laser is positive coke.
5. the laser marking method of watchcase character according to claim 1, which is characterized in that described to enable the laser head root
Mark is carried out in the default mark location according to the mark parameter, comprising:
According to the content distributing order in the mark content of the mark parameter, determine that the laser head of the laser equipment exists
The movement routine of the default mark location；
The laser head is enabled to carry out mobile mark in the default mark location according to the movement routine.
6. the laser marking method of watchcase character according to claim 1, which is characterized in that described to receive end mark
After signal, further includes:
Obtain the mark progress after receiving the end mark signal；
Judge whether the mark progress is that mark is completed；
If the mark progress is not that mark is completed, the current mark progress is saved, and receive next time
After the beginning mark signal, enable the laser head of the laser equipment from the corresponding position of the mark progress saved
Start to carry out mark to the default mark location of the Wristwatch case；
If the mark progress is that mark is completed, obtain described pre- on the Wristwatch case shot by picture pick-up device
If the marking image of mark location.
7. the laser marking method of watchcase character according to claim 6, which is characterized in that the mark parameter includes beating
Mark the size of content and the mark content；
After the marking image for obtaining the default mark location on the Wristwatch case shot by picture pick-up device,
Further include:
Judge whether the marking image is consistent with the mark content in the mark parameter；
If the marking image is consistent with the mark content, the Wristwatch case is transferred to by preset transfer equipment
Default assembled position；
If the marking image and the mark content are inconsistent, when confirming that the laser parameter is wrong, then according to default
Rule readjusts the laser parameter, enables the laser equipment and is run with the laser parameter after readjusting, and enables institute
It states after the laser head of laser equipment is moved to the default mark location from the initial position, enables the laser head root
The default mark location according to the mark parameter in the next Wristwatch case cleaned carries out mark.
8. the laser marking method of watchcase character according to claim 7, which is characterized in that the judgement mark figure
It seem no consistent with mark content in the mark parameter, comprising:
The marking image is divided into the first pixel of multiple equal-sizeds；
After the dimension scale for obtaining the mark content and the marking image in the mark parameter, according to the size ratio
Example is extremely consistent with the marking image by the size adjusting of the mark content；
According to first pixel size by the mark division of teaching contents be multiple equal-sizeds described in the second pixel；
Judge whether the quantity of second pixel and first pixel is identical；
If the quantity of second pixel and first pixel is not identical, the marking image and the mark are confirmed
Content is inconsistent.
9. the laser marking method of watchcase character according to claim 8, which is characterized in that judgement second picture
After whether the quantity of vegetarian refreshments and first pixel is identical, further includes:
If second pixel is identical with the quantity of first pixel, each described in the mark content is judged
Whether two pixels and each first pixel in the marking image are consistent；
If each second pixel is consistent with each first pixel, the marking image and the mark content are confirmed
Unanimously；
If each second pixel and each first pixel are inconsistent, confirm in the marking image and the mark
Hold inconsistent, and prompts the marking image there are mistakes.
10. a kind of laser marking system of watchcase character, which is characterized in that including laser equipment, be mounted on the laser equipment
On fixed fixture, be connected to the control module of the laser equipment and the fixed fixture, the control module includes:
First cleaning module, for using the first cleaning agents to clean Wristwatch case in the first cleaning duration；
Fastening module, for the Wristwatch case to be fastened on to the laser of picosecond or femtosecond by the fixed fixture
In equipment；
First acquisition module, is used for after receiving beginning mark signal, and include in the acquisition beginning mark signal is described sharp
The default mark location of the laser parameter of light device, mark parameter and the Wristwatch case；
Mark module for enabling the laser equipment run with the laser parameter, and enables the laser head of the laser equipment certainly
Initial position is moved to after the default mark location, enables the laser head according to the mark parameter in the default mark
Position carries out mark；
Mobile module, for enabling the laser head be moved to the initial position after receiving end mark signal；
Second obtains module, for obtaining process requirements, and obtain with matched second cleaning agents of the process requirements and
Second cleaning duration；
Placement module is removed and placed for unclamping the fixed fixture, and by the Wristwatch case from the fixed fixture
Enter in second cleaning agents；
Second cleaning module.For being cleaned in duration by second cleaning agents described second according to the process requirements
Clean the Wristwatch case.
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|---|---|---|---|
| CN201910266085.0A CN110102904B (en) | 2019-04-03 | 2019-04-03 | Laser marking method and system for watchcase characters |
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| CN110682004A (en) * | 2019-09-30 | 2020-01-14 | 贵州航天电子科技有限公司 | Laser lettering process for epoxy resin high-frequency cable end |
| CN110744944A (en) * | 2019-10-12 | 2020-02-04 | 深圳泰德激光科技有限公司 | Marking method, marking device and computer readable storage medium |
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