CN107755886B - Laser marking device and marking method - Google Patents
Laser marking device and marking method Download PDFInfo
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- CN107755886B CN107755886B CN201710986310.9A CN201710986310A CN107755886B CN 107755886 B CN107755886 B CN 107755886B CN 201710986310 A CN201710986310 A CN 201710986310A CN 107755886 B CN107755886 B CN 107755886B
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- 238000010330 laser marking Methods 0.000 title claims abstract description 90
- 238000000034 method Methods 0.000 title claims description 17
- 238000007599 discharging Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000003068 static effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007648 laser printing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
- B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
-
- 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
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/0823—Devices involving rotation of the workpiece
-
- 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
- B23K26/361—Removing material for deburring or mechanical trimming
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
- B41J2/44—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using single radiation source per colour, e.g. lighting beams or shutter arrangements
- B41J2/442—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using single radiation source per colour, e.g. lighting beams or shutter arrangements using lasers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/24—Ablative recording, e.g. by burning marks; Spark recording
-
- 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)
- Manufacturing & Machinery (AREA)
- Laser Beam Processing (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
Abstract
The invention discloses a laser marking device, which comprises: the circular turntable is radially provided with a plurality of positioning holes for fixing products; the driving assembly is used for driving the circular turntable to rotate at a constant speed; the outer code laser marking machine is arranged below the circular turntable and used for giving codes to the outer surface of the product and forming outer codes; the inner code laser marking machine is arranged above the circular turntable and is used for giving codes to the inner surface of the product and forming inner codes; the outer code and the inner code are formed simultaneously. The invention adopts a dynamic coding mode of the rotary workbench, thereby not only ensuring the stability of bottle cap products during double-sided dynamic coding, but also reducing the waiting time for conveying the products to the material and ensuring the production efficiency to the maximum extent.
Description
Technical Field
The invention relates to the field of packaging, in particular to laser marking equipment and a marking method.
Background
At present, more and more product packaging surfaces in the market adopt a laser process to mark contents such as production date, batch number, bar code, two-dimensional code, pattern, characters and the like, so that the laser process gradually replaces the traditional ink code spraying and mechanical stamping processes.
However, for the two-dimensional code marked on the two sides of various bottle caps, the laser printing two-dimensional code equipment commonly used in the market nowadays comprises: the system comprises a pipeline type conveying dynamic coding device, a platform type static coding device and a beat type (pipeline conveying or rotary worktable conveying) station static coding device. These several operating modes have significant disadvantages:
the laser marking of the two-dimensional code requires that conveying equipment has good stability so as to ensure that the marked two-dimensional code has high recognition rate, and the pipeline type conveying dynamic code-giving equipment is difficult to realize stable conveying when the two-dimensional code is marked inside and outside the circular bottle cap products; the platform type static code-giving equipment and the beat type station static code-giving equipment have low code-giving efficiency.
Therefore, there is a need for an apparatus and method for laser coding the two sides of a can end of a canned product.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides laser marking equipment and a marking method, which adopt a rotary workbench dynamic coding mode, can ensure the stability of bottle cap products during double-sided dynamic coding, can reduce the waiting time of conveying the products to materials, and can ensure the production efficiency to the maximum extent.
The solution provided by the present invention to solve the above technical problems is as follows:
in one aspect, a laser marking apparatus is provided, which includes:
the circular turntable is radially provided with a plurality of positioning holes for fixing products;
the driving assembly is used for driving the circular turntable to rotate at a constant speed;
the outer code laser marking machine is arranged below the circular turntable and used for giving codes to the outer surface of the product and forming outer codes;
the inner code laser marking machine is arranged above the circular turntable and is used for giving codes to the inner surface of the product and forming inner codes;
the outer code and the inner code are formed simultaneously.
Preferably, the laser marking apparatus further includes:
the outer code reading unit is arranged at the downstream of the outer code laser marking machine, is positioned below the circular turntable and is used for reading the outer code data;
the inner code reading unit is arranged at the downstream of the inner code laser marking machine, is positioned above the circular turntable and is used for reading the inner code data;
the outer code and inner code are interpreted simultaneously.
Preferably, the outer code laser marking machine and the inner code laser marking machine are coaxially arranged; the outer code reading unit and the inner code reading unit are coaxially arranged.
Preferably, the laser marking apparatus further includes:
the positioning disc is arranged on the upper surface of the circular turntable; and a plurality of positioning teeth radially extend from the outer peripheral surface of the positioning disc, and a positioning part corresponding to one positioning hole is formed between every two adjacent tooth-shaped parts, so that a product fixed in the positioning hole is positioned in the positioning part at the same time.
Preferably, the positioning part and the positioning hole are coaxially arranged.
Preferably, the laser marking apparatus further includes:
marking software, it is connected outer sign indicating number laser marking machine and interior sign indicating number laser marking machine for go on the marking parameter setting of outer sign indicating number and interior sign indicating number, and will the parameter of outer sign indicating number and interior sign indicating number is sent outer sign indicating number laser marking machine and interior sign indicating number laser marking machine make outer sign indicating number laser marking machine and interior sign indicating number laser marking machine basis the rotation orbit of product carries out compensation formula and marks, forms outer sign indicating number and interior sign indicating number.
Preferably, the outer code comprises one or more of a one-dimensional code, a two-dimensional code, a graph and a character; the internal code comprises one or more of a one-dimensional code, a two-dimensional code, a figure and a character.
Preferably, the radius R of the circular turntable is larger than or equal to 460mm, and the rotation angular speed omega is smaller than or equal to 22.5 degrees/s.
Preferably, the laser marking apparatus further includes: a feeding unit for conveying the product into the positioning hole; and the discharging unit is used for outputting products with successfully read outer codes and inner codes.
In another aspect, a laser marking method is also provided, which includes the following steps:
s1, setting marking parameters of the outer code and the inner code, and sending the marking parameters to the outer code laser marking machine and the inner code laser marking machine;
s2, fixing the product in the positioning hole of the circular turntable, and driving the circular turntable to rotate at a constant speed by a driving assembly;
s3, the outer code laser marking machine and the inner code laser marking machine simultaneously complete code marking on the outer surface and the inner surface of the product according to the marking parameters;
and S4, simultaneously completing the interpretation of the outer code and the inner code by using the outer code reading unit and the inner code reading unit.
The technical scheme of the invention has the following effects:
the laser marking machine is matched with the continuously rotating working platform, so that the upper surface and the lower surface of a product (such as a bottle cap) are simultaneously marked, the product is continuously rotated to feed and discharge along with the working platform, so that the laser marking has no time interval, the laser marking efficiency can be ensured, meanwhile, the stability of the product during simultaneous marking can be ensured by utilizing the stability of the rotating working platform and the good positioning of the product, and the reading rate of a two-dimensional code is finally ensured.
Drawings
FIG. 1 is a diagram showing an overall structure of a laser marking apparatus according to a first embodiment;
FIG. 2 is a block diagram of a drive assembly according to one embodiment;
FIG. 3 is a diagram of a positioning hole, a positioning tooth and a positioning portion according to an embodiment;
FIG. 4 is an interface diagram of an offset option of a two-dimensional code according to an embodiment;
FIG. 5 is an interface diagram illustrating two-dimensional code offset row and column parameter setting according to an embodiment;
FIG. 6 is a schematic diagram of a two-dimensional code template formed in the first embodiment;
FIG. 7 is a schematic diagram of a feed unit and a discharge unit according to the first embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The first embodiment is as follows:
as shown in fig. 1-2, the present invention provides a laser marking apparatus comprising:
the device comprises a circular turntable 1, wherein a plurality of positioning holes 11 for fixing products are radially arranged on the circular turntable 1; a product, such as a bottle cap and the like, can be correspondingly fixed in each positioning hole 11;
the driving assembly 2 is used for driving the circular turntable 1 to rotate at a constant speed; in this embodiment, the driving component 2 may be a DD motor, and meanwhile, because the circular turntable 1 continuously rotates during the marking process, inertia generated during the rotation may affect a track of the laser marking, for example, a line of a two-dimensional code and the like printed finally may be bent, according to the present invention, a large amount of creative work proves that, when a radius R of the circular turntable 1 is not less than 460mm (preferably 500mm) and a rotational angular velocity ω is not less than 22.5 °/s (preferably 20 °/s), a line printed by the following laser marking machine is approximate to a straight line, a pattern of the two-dimensional code and the like printed out meets requirements, the line is curved, and the pattern printed out finally does not meet the requirements (for example, the two-dimensional code is required to be a square and the like);
the positioning disc 3 is arranged on the surface of the circular turntable 1; as shown in fig. 3, a plurality of positioning teeth 31 radially extend from the outer peripheral surface of the positioning disc 3, and a positioning portion 32 corresponding to one positioning hole 11 is formed between every two adjacent tooth-shaped portions 31, so that a product fixed in the positioning hole 11 is located in the positioning portion 32 at the same time;
furthermore, the positioning portion 32 is coaxially arranged with the positioning hole 11, so that the positioning disc 3 and the circular turntable 1 form a double-layer structure, when rotating, the driving assembly 2 drives the positioning disc 3 and the circular turntable 1 to synchronously and integrally rotate, and a product can abut against the edge of the positioning hole 11 under the action of centrifugal force in the radial direction and can be limited by the positioning teeth 31 in the tangential direction in the rotating process along with the positioning disc 3 and the circular turntable 1, so that the product can always keep a relatively static and stable state, thereby ensuring the marking effect in a dynamic rotating state to be consistent with the marking effect in a static state, and finally ensuring the recognition rate of bar codes such as two-dimensional codes;
the outer code laser marking machine 4 is arranged below the circular turntable 1 and is used for giving codes to the outer surface of the product and forming outer codes;
the inner code laser marking machine 5 is arranged above the circular turntable 1 and is used for giving codes to the inner surface of the product and forming inner codes;
a detecting device (not shown) for detecting whether the product enters a predetermined marking region during the rotation process, if the product enters the marking region, the detecting device simultaneously triggers the outer code laser marking machine 4 and the inner code laser marking machine 5, so that the outer code and the inner code are simultaneously formed by light emission, and after the outer code and the inner code are formed, the data of the outer code and the data of the inner code are automatically correlated through a data correlating unit (not shown); furthermore, the outer code laser marking machine 4 and the inner code laser marking machine 5 are coaxially arranged, so that the accuracy of a coding position can be ensured, and data correlation errors are avoided;
the outer code reading unit 6 is arranged at the downstream of the outer code laser marking machine 4, is positioned below the circular turntable 1 and is used for reading the outer code data;
the inner code reading unit 7 is arranged at the downstream of the inner code laser marking machine 5, is positioned above the circular turntable 1 and is used for reading the inner code data;
similarly, the outer code reading unit 6 and the inner code reading unit 7 are coaxially arranged, so that the outer code and the inner code are simultaneously read; meanwhile, the outer code comprises one or more of a one-dimensional code, a two-dimensional code, a graph and a character; the internal code comprises one or more of a one-dimensional code, a two-dimensional code, a figure and a character.
Further, in order to ensure that the accurate printing of the barcodes such as the two-dimensional code is completed in a rotating state, the laser identification device further comprises:
marking software (not shown), it connects outer sign indicating number laser marking machine 4 and interior sign indicating number laser marking machine 5 for go on the marking parameter (such as offset etc.) setting of outer sign indicating number and interior sign indicating number, and will the parameter of outer sign indicating number and interior sign indicating number is sent outer sign indicating number laser marking machine 4 and interior sign indicating number laser marking machine 5 make outer sign indicating number laser marking machine 4 and interior sign indicating number laser marking machine 5 basis the rotation orbit of product carries out compensation formula marking, forms outer sign indicating number and interior sign indicating number.
Specifically, for example, as shown in fig. 4-5, a 9 × 9 two-dimensional code is first built on a computer desktop by the marking software, a selection menu is opened by right-clicking the two-dimensional code, an offset setting (i.e., offset set in fig. 4) option is selected from the selection menu, a 21 × 21 row-column module shown in fig. 5 appears after the offset option is opened, then parameter values of each row-column of the two-dimensional code are sequentially set, and finally, a two-dimensional code template shown in fig. 6 is formed. Further, in the product rotation process, the laser light spots generated by the outer code laser marking machine 4 and the inner code laser marking machine 5 print the two-dimensional code according to the set two-dimensional code template, and follow the running track of the product to perform compensation type marking, so that the square two-dimensional code is finally printed.
Further, to improve the automation degree of the whole laser marking device, as shown in fig. 7, the laser marking device further includes: a feeding unit 8 for automatically conveying the product into the positioning hole 11; and the discharging unit 9 is used for automatically outputting products with successfully read outer codes and inner codes, and particularly, the discharging unit 9 comprises a guide channel 91 which is convenient for leading the rotated products out of the positioning holes 11.
From this, among the whole marking process, circular carousel 1 keeps invariable linear velocity throughout to rotate, and feeding unit 8 and ejection of compact unit 9 are automatic to be accomplished the business turn over material action for the laser that outer sign indicating number laser marking machine 4 and inner sign indicating number laser marking machine 5 produced is in marking the completion back to previous product, can carry out laser marking to the second product at once, and sustainable laser marking from this is favorable to improving production efficiency.
Example two:
the embodiment provides a laser marking method, which comprises the following steps:
s1, setting marking parameters of the outer code and the inner code, and sending the marking parameters to the outer code laser marking machine and the inner code laser marking machine;
s2, fixing the product in the positioning hole of the circular turntable, and driving the circular turntable to rotate at a constant speed by a driving assembly;
s3, the outer code laser marking machine and the inner code laser marking machine simultaneously complete code marking on the outer surface and the inner surface of the product according to the marking parameters;
and S4, simultaneously completing the interpretation of the outer code and the inner code by using the outer code reading unit and the inner code reading unit.
It should be noted that the technical features in the first and second embodiments can be combined arbitrarily, and the combined technical solutions all belong to the protection scope of the present invention.
In summary, the invention applies the laser marking machine to cooperate with the continuously rotating working platform to realize simultaneous code-giving on the inner and outer surfaces of the product (such as a bottle cap), and because the product continuously rotates to feed and discharge along with the working platform, the laser code-giving has no time interval, thus ensuring the laser code-giving efficiency, and simultaneously, the stability of the product in the simultaneous code-giving process can be ensured by utilizing the stability of the rotating working platform and the good positioning of the product, and finally the recognition rate of the two-dimensional code can be ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A laser marking apparatus, comprising:
the circular turntable is radially provided with a plurality of positioning holes which are distributed in a circumferential manner and used for fixing products;
the driving assembly is used for driving the circular turntable to rotate at a constant speed;
the outer code laser marking machine is arranged below the circular turntable and used for giving codes to the outer surface of the product and forming outer codes;
the inner code laser marking machine is arranged above the circular turntable and is used for giving codes to the inner surface of the product and forming inner codes;
the outer code and the inner code are formed simultaneously; the outer code laser marking machine and the inner code laser marking machine are coaxially arranged;
marking software, which is connected with the outer code laser marking machine and the inner code laser marking machine, is used for setting marking parameters of the outer code and the inner code, and sending the parameters of the outer code and the inner code to the outer code laser marking machine and the inner code laser marking machine, so that the outer code laser marking machine and the inner code laser marking machine carry out compensation type marking according to the rotation track of the product to form the outer code and the inner code;
wherein the radius R of the circular turntable is more than or equal to 460mm, and the rotation angular speed omega is less than or equal to 22.5 degrees/s.
2. The laser marking apparatus of claim 1, further comprising:
the outer code reading unit is arranged at the downstream of the outer code laser marking machine, is positioned below the circular turntable and is used for reading the outer code data;
the inner code reading unit is arranged at the downstream of the inner code laser marking machine, is positioned above the circular turntable and is used for reading the inner code data;
the outer code and inner code are interpreted simultaneously.
3. The laser marking apparatus of claim 2, wherein the outer code reading unit and the inner code reading unit are coaxially disposed.
4. The laser marking apparatus of claim 1, further comprising:
the positioning disc is arranged on the upper surface of the circular turntable; and a plurality of positioning teeth radially extend from the outer peripheral surface of the positioning disc, and a positioning part corresponding to one positioning hole is formed between every two adjacent tooth-shaped parts, so that a product fixed in the positioning hole is positioned in the positioning part at the same time.
5. The laser marking apparatus as claimed in claim 4, wherein said positioning portion is disposed coaxially with said positioning hole.
6. The laser marking apparatus of claim 1, wherein the outer code comprises one or more of a one-dimensional code, a two-dimensional code, a graphic, and a character; the internal code comprises one or more of a one-dimensional code, a two-dimensional code, a figure and a character.
7. The laser marking apparatus of claim 1, further comprising: a feeding unit for conveying the product into the positioning hole; and the discharging unit is used for outputting products with successfully read outer codes and inner codes.
8. A laser marking method, implemented by the laser marking apparatus of claim 2 or 3, comprising the steps of:
s1, setting marking parameters of the outer code and the inner code, and sending the marking parameters to the outer code laser marking machine and the inner code laser marking machine;
s2, fixing the product in the positioning hole of the circular turntable, and driving the circular turntable to rotate at a constant speed by a driving assembly;
s3, the outer code laser marking machine and the inner code laser marking machine compensate the marking track according to the marking parameters and the rotation track of the product, and meanwhile, the outer surface coding and the inner surface coding of the product are completed;
and S4, simultaneously completing the interpretation of the outer code and the inner code by using the outer code reading unit and the inner code reading unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710986310.9A CN107755886B (en) | 2017-10-20 | 2017-10-20 | Laser marking device and marking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710986310.9A CN107755886B (en) | 2017-10-20 | 2017-10-20 | Laser marking device and marking method |
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| CN107755886A CN107755886A (en) | 2018-03-06 |
| CN107755886B true CN107755886B (en) | 2020-04-10 |
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| CN201710986310.9A Active CN107755886B (en) | 2017-10-20 | 2017-10-20 | Laser marking device and marking method |
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| CN (1) | CN107755886B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109175715A (en) * | 2018-09-28 | 2019-01-11 | 天津市金兴达实业有限公司 | The fast quick change of screw produces tooling and laser marking system |
| CN109435488A (en) * | 2018-12-07 | 2019-03-08 | 上海宇田机电设备有限公司 | Bottle cap double-sided stamp device |
| CN109940277B (en) * | 2019-03-12 | 2021-02-26 | 德玛克（长兴）自动化系统有限公司 | Two-sided radium-shine marking equipment of bottle lid |
| CN110064847B (en) * | 2019-04-22 | 2021-03-09 | 德玛克（长兴）注塑系统有限公司 | Tracking type dynamic bottle cap marking method |
| CN113732521B (en) * | 2021-09-29 | 2023-05-23 | 深圳市金源康实业有限公司 | Full-automatic laser engraving equipment |
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| CN202826746U (en) * | 2012-10-30 | 2013-03-27 | 安徽古井贡酒股份有限公司 | Automatic feeder for laser code printing |
| CN205809894U (en) * | 2016-02-22 | 2016-12-14 | 烟台大有数据系统有限公司 | A kind of two-sided Quick Response Code identifies automatically, data auto-associating device |
| CN206106663U (en) * | 2016-09-30 | 2017-04-19 | 大族激光科技产业集团股份有限公司 | Laser printing equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152648B (en) * | 2010-10-29 | 2013-03-27 | 深圳市大族激光科技股份有限公司 | Bottle cap double-sided marking device |
| CN106274070B (en) * | 2015-05-29 | 2018-02-02 | 大族激光科技产业集团股份有限公司 | A kind of device and method marked using laser technology to glass feeding bottle |
| CN205254336U (en) * | 2015-12-22 | 2016-05-25 | 黄昌自动化工程（上海）有限公司 | Bottle lid bottom surface laser marking device |
| CN105798465B (en) * | 2016-05-13 | 2017-11-10 | 黄昌自动化工程（上海）有限公司 | Differential divides lid multiple head laser bottle cap marking on the fly device |
| CN205673759U (en) * | 2016-06-06 | 2016-11-09 | 深圳市泽汇泓技术有限公司 | Dynamically bottle cap is to carving marking system |
| CN106696474A (en) * | 2016-12-19 | 2017-05-24 | 武汉华工激光工程有限责任公司 | Bottle cap, laser marking device and method |
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2017
- 2017-10-20 CN CN201710986310.9A patent/CN107755886B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202826746U (en) * | 2012-10-30 | 2013-03-27 | 安徽古井贡酒股份有限公司 | Automatic feeder for laser code printing |
| CN205809894U (en) * | 2016-02-22 | 2016-12-14 | 烟台大有数据系统有限公司 | A kind of two-sided Quick Response Code identifies automatically, data auto-associating device |
| CN206106663U (en) * | 2016-09-30 | 2017-04-19 | 大族激光科技产业集团股份有限公司 | Laser printing equipment |
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| CN107755886A (en) | 2018-03-06 |
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