CN113878239A - Card laser etching printing method based on laser etching equipment - Google Patents
Card laser etching printing method based on laser etching equipment Download PDFInfo
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- CN113878239A CN113878239A CN202111136954.1A CN202111136954A CN113878239A CN 113878239 A CN113878239 A CN 113878239A CN 202111136954 A CN202111136954 A CN 202111136954A CN 113878239 A CN113878239 A CN 113878239A
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- 238000010329 laser etching Methods 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000005530 etching Methods 0.000 claims description 8
- 230000009471 action Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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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
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/083—Devices involving movement of the workpiece in at least one axial direction
- B23K26/0853—Devices involving movement of the workpiece in at least in two axial directions, e.g. in a plane
- B23K26/0861—Devices involving movement of the workpiece in at least in two axial directions, e.g. in a plane in at least in three axial directions
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a laser etching printing method for a card based on laser etching equipment, which comprises the following steps: aligning a card feeding channel of the multi-axis steering positioning assembly with a channel of the transmission assembly; transferring the card from the transport assembly to a designated position on the multi-axis steering positioning assembly; based on the angle of the grating, the card is rotated by the same angle of the grating angle along the axis of the short edge by the multi-axis steering positioning assembly, meanwhile, the card is moved upwards according to the angle of the grating and the position of the grating on the card, so that laser is focused at the position of the grating, and after the card is moved in place, the laser is started for laser etching printing, and variable laser image printing is completed; based on the angle of the grating, the card is rotated by the angle with the same grating angle along the long edge axis by the multi-axis steering positioning assembly, and meanwhile, the card is moved upwards according to the grating angle and the position of the grating on the card, so that laser is focused at the position of the grating, and after the card is moved in place, laser etching printing is carried out by starting the laser, and variable laser image printing is completed.
Description
Technical Field
The invention relates to the technical field of certificate card manufacturing, in particular to a laser etching printing method for a card based on laser etching equipment.
Background
The existing card laser etching printing equipment does not have a product which can simultaneously have variable laser image and multiple laser image printing functions, because the whole price of a laser module is higher, a user needs to purchase a laser etching printer with the variable laser image function and a laser etching printer with the multiple laser image printing to meet the manufacturing requirements of different cards when wanting to manufacture cards with the two printing functions, in addition, if the user needs to simultaneously realize the two printing functions on the same card in the aspect of operation steps, not only two printing equipment are needed, but also the image function is required to be completed in one equipment, then the image function is taken out and put into another equipment for printing, the operation is complex, and the repeated positioning precision is not easy to guarantee.
Therefore, a printing technique capable of simultaneously providing a variable laser image printing function and a multiple laser image printing function is desired.
Disclosure of Invention
The invention aims to provide a laser etching printing method for a card based on laser etching equipment, which can simultaneously have a variable laser image printing function and a multiple laser image printing function.
In order to achieve the aim, the invention provides a laser etching printing method for a card based on laser etching equipment, wherein at least two groups of gratings which need to be printed with variable laser images and multiple laser images respectively are preset on the card; the etching equipment comprises a track transmission assembly and a multi-axis steering positioning assembly, wherein the track transmission assembly is used for transmitting a card onto the multi-axis steering positioning assembly, the multi-axis steering positioning assembly can move up and down and rotate along a Z axis and can rotate obliquely relative to a horizontal plane, and the printing method comprises the following steps:
step 1: aligning a card feed channel of the multi-axis steering positioning assembly with a channel of the transport assembly; transferring a card from the transport assembly to a designated location of the multi-axis steering positioning assembly;
step 2: variable laser image printing: based on the angle of the grating, the multi-axis steering positioning assembly rotates the card along the axis of the short side at the angle same as the grating angle, and meanwhile, the card moves upwards according to the grating angle and the position of the grating on the card, so that laser is focused at the position of the grating, and after the card moves in place, laser etching printing is carried out by starting the laser, and variable laser image printing is completed;
and step 3: multiple laser image printing: based on the angle of the grating, the card is rotated by the angle with the same grating angle along the long-edge axis by the multi-axis steering positioning assembly, meanwhile, the card is moved upwards according to the grating angle and the position of the grating on the card, so that laser is focused at the position of the grating, and after the card is moved in place, laser etching printing is carried out by starting the laser, and variable laser image printing is completed.
Alternatively, the step 2 further includes the step 201: the multi-axis steering positioning assembly rotates the card 180 degrees along the axis of the short edge of the card, and the reverse side of the card is printed.
Alternatively, the step 3 further includes the step 301: the multi-axis steering positioning assembly rotates the card for 180 degrees along the long edge axis of the card, and the reverse side of the card is printed.
As an alternative, in step 2, double-sided variable laser image printing is required, after single-sided variable laser image printing is completed, the multi-axis steering positioning assembly is adjusted according to the angle of another group of gratings of the card according to the method in step 2, so that laser is focused at the position of the other group of gratings, and after the laser is moved in place, laser etching printing is started to complete double-sided variable laser image printing.
As an alternative, after the step 2, before the step 3, the method further comprises: the card is reset to the initial position of level and height.
As an alternative, in step 3, double-sided multiple laser image printing is required, after single-sided variable laser image printing is completed, the multi-axis steering positioning assembly is adjusted according to the angle of another group of gratings of the card according to the method in step 3, so that laser is focused at the position of the other group of gratings, and after the laser is moved in place, laser etching printing is started to complete double-sided multiple laser image printing.
As an alternative, the step 3 further includes: the multi-axis steering positioning component rotates the card 180 degrees along the long edge axis of the card, and the reverse side of the card is printed.
As an alternative, in step 1, the transport assembly feeds the card into the positioning assembly, and the card is positioned by the cooperation of the reflection sensor of the etching device and the card receiving motor of the positioning assembly, so that the card is stopped at a specified position inside the positioning assembly.
The invention has the beneficial effects that:
the laser image printing system can simultaneously have the variable laser image printing function and the multiple laser image printing function, has higher printing precision, simplifies the equipment structure, saves the purchase expense and saves the printing time.
The present invention has other features and advantages which will be apparent from or are set forth in detail in the accompanying drawings and the following detailed description, which are incorporated herein, and which together serve to explain certain principles of the invention.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings.
Fig. 1 shows a flow chart of steps of a laser etching printing method for a card based on a laser etching device according to an embodiment of the invention.
FIG. 2 shows a schematic oblique view of a multi-axis steering positioning assembly for variable laser image printing according to an embodiment of the present invention.
FIG. 3 is a schematic diagram illustrating the tilting direction of the multi-axis steering positioning assembly during multiple laser image printing according to an embodiment of the present invention.
Reference numerals
1-a track transfer assembly; 2-multi-axis steering positioning assembly.
Detailed Description
The present invention will be described in more detail below. While the present invention provides preferred embodiments, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The embodiment of the invention provides a laser etching printing method for a card based on laser etching equipment, wherein at least two groups of gratings which need to be subjected to variable laser image printing and multiple laser image printing are preset on the card; the etching equipment comprises a track transmission assembly and a multi-axis steering positioning assembly, wherein the track transmission assembly is used for transmitting a card onto the multi-axis steering positioning assembly, the multi-axis steering positioning assembly can move up and down, rotate around a Z axis and rotate obliquely relative to a horizontal plane, and referring to fig. 1, the printing method comprises the following steps:
step 1: aligning a card feed channel of the multi-axis steering positioning assembly with a channel of the transport assembly; transferring a card from the transport assembly to a designated location of the multi-axis steering positioning assembly;
step 2: variable laser image printing: based on the angle of the grating, the multi-axis steering positioning assembly rotates the card along the axis of the short side at the angle same as the grating angle, and meanwhile, the card moves upwards according to the grating angle and the position of the grating on the card, so that laser is focused at the position of the grating, and after the card moves in place, laser etching printing is carried out by starting the laser, and variable laser image printing is completed;
and step 3: multiple laser image printing: based on the angle of the grating, the card is rotated by the angle with the same grating angle along the long-edge axis by the multi-axis steering positioning assembly, meanwhile, the card is moved upwards according to the grating angle and the position of the grating on the card, so that laser is focused at the position of the grating, and after the card is moved in place, laser etching printing is carried out by starting the laser, and variable laser image printing is completed.
Specifically, the card to be printed is preset with a raster of an oblique angle in advance, such as 30 degrees, 50 degrees, and the like. The preset inclined raster needs to be printed in a mode of variable laser image printing or in a mode of multiple laser image printing. In which the variable laser image printing refers to an inclined manner (right-left inclination) shown in fig. 2, and the multiple laser image printing refers to an inclined manner (front-back inclination) shown in fig. 3.
The etching equipment of the embodiment comprises an orbit transmission component 1 and a multi-axis steering positioning component 2, wherein the orbit transmission component 1 is used for transmitting the card to the multi-axis steering positioning component 2, the multi-axis steering positioning component 2 can move up and down and rotate around a Z axis (when the card is horizontally placed, the multi-axis steering positioning component rotates 360 degrees around a vertical line vertical to the surface of the card), and the multi-axis steering positioning component 2 can do inclined motion relative to a horizontal plane.
Laser that different lasers sent focuses through different field lens in laser etching, the focus distance is fixed unchangeable after same equipment configuration is accomplished, the focus scope that can carry out the sculpture is generally 0-1mm, the energy of exceeding this scope laser focusing can reduce by a wide margin, lead to the etching effect can't reach the requirement, consequently when carrying out variable laser image sculpture function and multiple laser etching function, need be according to different sculpture angles and the height between position adjustment quilt sculpture card and the laser instrument, guarantee the sculpture quality, multiaxis turns to locating component 2 and adjusts the relative distance between card and the array environment at any time according to different sculpture mode demands, reach the accurate purpose of keeping the focus position, thereby guarantee card laser etching effect and quality.
In one embodiment, performing step 1 comprises: the track transmission assembly 1 sends the card into the multi-axis steering positioning assembly 2, and the card is positioned by matching a reflection sensor of the etching equipment with a card receiving motor of the multi-axis steering positioning assembly 2, so that the card is stopped at a specified position in the multi-axis steering positioning assembly 2.
It should be noted that there is no precedence order between step 2 and step 3, and step 2 may be executed first to complete the variable laser image printing, or step 3 may be executed first to complete the multiple laser image printing. The printing process is explained by taking variable laser image printing as an example. Assuming that the inclination angle of the grating is 30 degrees, the card is rotated by 30 degrees along the axis of the short side by using the multi-axis steering positioning component 2 (the original card is horizontally placed), the multi-axis steering positioning component 2 is adjusted to move upwards, so that laser is focused at the position of the grating, and after the adjustment is in place, laser etching printing is performed by starting the laser, and the single-side variable laser image printing is completed. The method of variable laser image printing is similar.
The laser etching equipment has the variable laser image printing function and the multiple laser image printing function at the same time, has higher printing precision, simplifies the equipment structure, saves the purchasing expense and saves the printing time.
In a specific embodiment, the step 2 further includes the step 201: the multi-axis steering positioning component 2 rotates the card 180 degrees along the short edge axis of the card, and the reverse side of the card is printed.
In a specific embodiment, the step 3 further includes the step 301: the multi-axis steering positioning component 2 rotates the card 180 degrees along the long edge axis of the card, and the reverse side of the card is printed.
In a specific embodiment, in step 2, double-sided variable laser image printing is required, after single-sided variable laser image printing is completed, the multi-axis turning positioning component 2 is adjusted according to the method in step 2 according to the angle of another group of gratings of the card, so that laser is focused at the position of the other group of gratings, and after the laser is moved in place, laser etching printing is performed by starting the laser, so that double-sided variable laser image printing is completed.
In a specific embodiment, after step 2 and before step 3, the method further includes: the card is reset to the initial position of level and height.
In a specific embodiment, in step 3, double-sided multiple laser image printing is required, after single-sided variable laser image printing is completed, the multi-axis turning positioning component 2 is adjusted according to the method in step 3 according to the angle of another group of gratings of the card, so that laser is focused at the position of the other group of gratings, and after the laser is moved in place, laser etching printing is performed by starting the laser, so that double-sided multiple laser image printing is completed.
In a specific embodiment, the step 3 further includes: the multi-axis steering positioning component 2 rotates the card 180 degrees along the long edge axis of the card, and the reverse side of the card is printed.
The printing method of the present invention is described below as a specific example.
Equipment initialization, track transmission assembly 1 positive and negative rotation initialization detection, multi-axis turns to the initialization of locating component 2, makes the card channel of advancing of multi-axis turning locating component 2 align with track transmission assembly 1 passageway level and vertical plane.
Referring to fig. 2 or fig. 3, a card enters the track transport assembly 1 from the right card entrance and is transferred into position by the cooperation of the stepping motor and the photoelectric sensor.
The card is received in the rotation of 2 action wheels of multiaxis steering positioning component, and track transmission component 1 sends the card into multiaxis steering positioning component 2, receives the cooperation of card motor through reflective transducer and multiaxis steering positioning component 2 and carries out the accurate positioning, makes the card stop at the inside assigned position of multiaxis steering positioning component 2.
Card single and double-sided laser etching printing: open the laser module and carry out laser etching to the card one side and print, if only need print the one side, then print and accomplish back multiaxis and turn to locating component 2 and convey out printing apparatus with the card from the left side, accomplish the single face and print. If double-sided printing is needed, the card is rotated by 180 degrees along the axis of the short edge of the card by the multi-axis steering positioning component 2, then reverse side printing is carried out, and the card is sent out of the printing equipment after the reverse side printing is finished, so that the printing is finished.
Variable laser image printing: according to the card grating angle, the card is clockwise rotated by the same angle of the grating angle along the short edge axis through the card multi-shaft steering positioning component 2, the compensation distance of the upward movement of the card is set according to different angles and the position of the grating (action) on the card at the same time when the card is rotated, the laser focusing position is ensured to be unchanged, laser is started to perform laser etching printing after the card is in place, the one-side variable laser image printing is completed, if the two-way variable laser image printing is needed, the card is anticlockwise rotated in the same mode, and the printing is completed by repeating the actions. After the variable laser etching image is printed, the card is reset to the horizontal position and the height initial position, and single-sided and double-sided printing of the card or the card is conveyed out of the printing equipment as required to finish printing.
Multiple laser image function: according to the angle of a card grating, the card is clockwise rotated by the angle with the same grating angle along the long-edge axis through the multi-axis steering positioning component 2, the compensation distance of upward movement of the card is set according to different angles and the position of the grating on the card at the same time when the card is rotated, the laser focusing position is guaranteed to be unchanged, laser is started to perform laser etching printing after the card is in place, the unilateral variable laser image printing is completed, if the bidirectional variable laser image printing is needed, the card is anticlockwise rotated in the same mode, and the printing is completed by repeating the above actions. After the variable laser etching image is printed, the card is reset to the horizontal position and the height initial position, and single-sided and double-sided printing of the card or the card is conveyed out of the printing equipment as required to finish printing.
In this embodiment, an equipment possesses card list two-sided, variable laser image, multiple laser image laser etching printing function simultaneously, and variable laser image and multiple laser image laser etching angle can carry out to the adjustment setting according to card grating angle. The multi-axis steering positioning assembly can simultaneously realize that the card rotates 360 degrees in the Z-axis direction, rotates within a range of +/-45 degrees in the X-axis direction, and moves in the vertical direction up and down. The problem of the deviation of the height direction of the card and the position of a laser focusing point when variable laser images and multiple laser images are etched and printed is compensated through the vertical movement of the card, and the laser focusing precision is ensured.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (8)
1. A laser etching printing method for a card based on laser etching equipment is characterized in that at least two groups of gratings which need to be printed with variable laser images and multiple laser images respectively are preset on the card; the etching equipment comprises a track transmission assembly and a multi-axis steering positioning assembly, wherein the track transmission assembly is used for transmitting a card onto the multi-axis steering positioning assembly, the multi-axis steering positioning assembly can move up and down, rotate around a Z axis and rotate obliquely relative to a horizontal plane, and the printing method comprises the following steps:
step 1: aligning a card feed channel of the multi-axis steering positioning assembly with a channel of the transport assembly; transferring a card from the transport assembly to a designated location of the multi-axis steering positioning assembly;
step 2: variable laser image printing: based on the angle of the grating, the multi-axis steering positioning assembly rotates the card along the axis of the short side at the angle same as the grating angle, and meanwhile, the card moves upwards according to the grating angle and the position of the grating on the card, so that laser is focused at the position of the grating, and after the card moves in place, laser etching printing is carried out by starting the laser, and variable laser image printing is completed;
and step 3: multiple laser image printing: based on the angle of the grating, the card is rotated by the angle with the same grating angle along the long-edge axis by the multi-axis steering positioning assembly, meanwhile, the card is moved upwards according to the grating angle and the position of the grating on the card, so that laser is focused at the position of the grating, and after the card is moved in place, laser etching printing is carried out by starting the laser, and variable laser image printing is completed.
2. The laser etching equipment-based card laser etching printing method according to claim 1, wherein the step 2 further comprises the step 201: the multi-axis steering positioning assembly rotates the card 180 degrees along the axis of the short edge of the card, and the reverse side of the card is printed.
3. The laser etching equipment-based card laser etching printing method according to claim 1, wherein the step 3 further comprises the step 301 of: the multi-axis steering positioning assembly rotates the card for 180 degrees along the long edge axis of the card, and the reverse side of the card is printed.
4. The laser etching equipment-based card laser etching printing method according to claim 1, wherein in the step 2, double-sided variable laser image printing is required, after single-sided variable laser image printing is completed, the multi-axis turning positioning assembly is adjusted according to the angle of another group of gratings of the card according to the method in the step 2, so that laser is focused at the position of the other group of gratings, and after the laser is moved to the proper position, the laser is started to perform laser etching printing, so that double-sided variable laser image printing is completed.
5. The laser etching equipment-based card laser etching printing method according to claim 1, wherein after the step 2 and before the step 3, the method further comprises: the card is reset to the initial position of level and height.
6. The laser etching equipment-based card laser etching printing method according to claim 1, wherein in the step 3, double-sided multiple laser image printing is required, after single-sided variable laser image printing is completed, the multi-axis steering positioning assembly is adjusted according to the angle of another group of gratings of the card according to the method in the step 3, so that laser is focused at the position where the another group of gratings are located, and after the laser is moved in place, the laser is started to perform laser etching printing, so that double-sided multiple laser image printing is completed.
7. The laser etching equipment-based card laser etching printing method according to claim 1, wherein the step 3 further comprises: the multi-axis steering positioning component rotates the card 180 degrees along the long edge axis of the card, and the reverse side of the card is printed.
8. The laser etching equipment-based card laser etching printing method according to claim 1, wherein in the step 1, the transmission assembly feeds the card into the positioning assembly, and the card is positioned by matching a reflection sensor of the etching equipment with a card receiving motor of the positioning assembly, so that the card is stopped at a designated position inside the positioning assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111136954.1A CN113878239A (en) | 2021-09-27 | 2021-09-27 | Card laser etching printing method based on laser etching equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111136954.1A CN113878239A (en) | 2021-09-27 | 2021-09-27 | Card laser etching printing method based on laser etching equipment |
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| CN113878239A true CN113878239A (en) | 2022-01-04 |
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| CN202111136954.1A Pending CN113878239A (en) | 2021-09-27 | 2021-09-27 | Card laser etching printing method based on laser etching equipment |
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