CN109290676B - Anti-fake hyperbola marking device for retroreflective product - Google Patents
Anti-fake hyperbola marking device for retroreflective product Download PDFInfo
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- CN109290676B CN109290676B CN201811388007.XA CN201811388007A CN109290676B CN 109290676 B CN109290676 B CN 109290676B CN 201811388007 A CN201811388007 A CN 201811388007A CN 109290676 B CN109290676 B CN 109290676B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 67
- 230000033001 locomotion Effects 0.000 claims abstract description 41
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 239000000835 fiber Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 20
- 238000009792 diffusion process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000007667 floating Methods 0.000 description 4
- 238000010304 firing Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/0643—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising mirrors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/067—Dividing the beam into multiple beams, e.g. multifocusing
-
- 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
- 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
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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
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
Abstract
The invention discloses an anti-counterfeiting hyperbolic marking device for a retroreflective product, which comprises a machine base, a transmission device, a light source assembly, a first reflective assembly, a second reflective assembly, a transmission assembly and a driving device, wherein a cavity is further arranged on the machine base, the first reflective assembly and the second reflective assembly are arranged in the cavity and reflect light rays to a plane where the transmission device is located, the driving device drives the cavity, the first reflective assembly and the second reflective assembly to reciprocate through the transmission assembly, the transmission device moves in a direction perpendicular to the movement direction of the first reflective assembly and the second reflective assembly, the first reflective assembly comprises a first Powell prism, the second reflective assembly comprises a second Powell prism, and the first Powell prism and the second Powell prism diffuse the light rays to the plane where the transmission device is located. The invention improves the definition of the anti-counterfeiting image, so that the manufactured retroreflective product has dynamic anti-counterfeiting effect, and further improves the anti-counterfeiting effect of the retroreflective product.
Description
Technical Field
The invention relates to a marking device, in particular to an anti-counterfeiting hyperbola marking device for a retroreflective product.
Background
The reflective film is a retroreflective material which is made into a film and can be directly applied, and can effectively reflect incident light, thereby reminding pedestrians and drivers of current road surface conditions, object contours and the like, and is commonly used in the traffic safety fields such as warning labels and the like. According to the actual situation, the anti-counterfeiting mark is needed to be made on the reflective film sometimes, so that the safety of the reflective film during use is improved, the existing anti-counterfeiting mark is formed by diffusing parallel laser into divergent laser by using a diffusion sheet, the marks are made on the reflective film, but the divergent laser irradiates on the reflective film, only static anti-counterfeiting patterns can be formed, a user can observe the anti-counterfeiting mark on the reflective film only from one angle, and the existing marking device is clear in the middle part of the anti-counterfeiting pattern and fuzzy in the edge part due to inconsistent energy between the laser during marking, so that the quality of the anti-counterfeiting pattern is affected. Meanwhile, the marking speed of the existing marking device is too low, the efficiency is too low, and improvement is needed.
Disclosure of Invention
Aiming at the defects that the prior marking device only can process a static anti-counterfeiting pattern, a user can only see the anti-counterfeiting pattern from a certain specific angle, the observation angle of the anti-counterfeiting pattern is single, the edge of the anti-counterfeiting pattern is fuzzy and the like in the prior art, the invention provides a novel anti-counterfeiting hyperbolic marking device for a retroreflective product.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the utility model provides an anti-fake hyperbola marking device for retroreflective product, includes frame, transmission device, still includes light source subassembly, first reflector assembly, second reflector assembly, drive arrangement, still be provided with the cavity on the frame, first reflector assembly, second reflector assembly set up in the cavity, light source subassembly, drive assembly with the cavity is connected, first reflector assembly, second reflector assembly receive light that light source subassembly launched and with light line reflection to transmission device place plane, drive assembly with drive assembly is connected and passes through drive assembly drive cavity reciprocating motion, first reflector assembly, second reflector assembly with cavity synchronous reciprocating motion, transmission device direction with first reflector assembly, second reflector assembly direction of motion is perpendicular to, first reflector assembly includes first wilt's prism, first wilt's prism is parallel to transmission device and with light line diffusion to transmission device place plane, second reflector assembly includes second wilt's prism, second wilt's prism is parallel to transmission device with light line diffusion to transmission device place plane.
The machine base is used for guaranteeing the stability of the whole structure of the invention, the transmission device is used for placing the retroreflective product to be processed and realizing the motion of the retroreflective product, the light source assembly is used for emitting laser light, the first retroreflective assembly and the second retroreflective assembly are used for reflecting the light to the surface of the retroreflective product for marking, the cavity is used for arranging the first retroreflective assembly and the second retroreflective assembly, the first retroreflective assembly and the second retroreflective assembly move through the motion of the cavity, the stability of the motion of the first retroreflective assembly and the second retroreflective assembly can be guaranteed, meanwhile, the light is prevented from being excessively dispersed in the retroreflective process to affect the processing effect and the processing safety, the driving device and the transmission assembly are used for driving the cavity to reciprocate, thereby driving the first retroreflective assembly and the second retroreflective assembly to reciprocate, the hyperbolic anti-counterfeiting pattern is formed on the retroreflective product through the cooperation of the reciprocation of the first retroreflective assembly and the second retroreflective assembly, the first bowman prism and the second bowman prism are used for diffusing the light and keeping the uniformity of the diffusion range, the processed hyperbolic edge imaging of the anti-counterfeiting effect of the retroreflective product is avoided, the anti-counterfeiting effect of the retroreflective product is influenced, the ignition effect is formed by the fact that the first bowman prism and the second bowman prism can form different ignition points when the retroreflective product is observed at different points of the retroreflective product, the different ignition angles, the ignition points are formed by different ignition points of the retroreflective product can be observed, the different ignition points are formed by the different ignition points, the different ignition points are formed in the different in the process, the process point and the anti-counterfeiting point has clear, and the anti-counterfeiting effect is formed, the user can form a hyperbolic dynamic floating effect by utilizing the persistence effect of eyes in the process of switching the observation angles, thereby realizing the dynamic anti-counterfeiting effect of the retroreflective product. According to the invention, through the cooperation of the first reflecting component, the second reflecting component and the transmission device, the hyperbolic marking operation on the surface of the retroreflective product is realized, meanwhile, the hyperbolic has a floating effect, the anti-counterfeiting effect of the retroreflective product is improved, and meanwhile, the definition of the hyperbolic image is improved by the first Bowell prism and the second Bowell prism, and the anti-counterfeiting effect of the retroreflective product is further improved.
Preferably, in the anti-counterfeiting hyperbolic marking device for a retroreflective article, the first reflective assembly further includes a 45 ° spectroscope and a first focusing lens, the first focusing lens is located between the 45 ° spectroscope and the first bowwell prism, one path of light emitted by the light source assembly is emitted to the first focusing lens after being split by the 45 ° spectroscope, and the other path of light is emitted to the second reflective assembly.
The 45-degree spectroscope is used for dividing light rays emitted by the light source assembly into two paths, one path of light rays are emitted to the first focusing lens, the other path of light rays are emitted to the second reflecting assembly, so that the first reflecting assembly and the second reflecting assembly can reflect the two paths of light rays on the retroreflective product, two curves are formed on the surface of the retroreflective product, a hyperbolic pattern is formed, meanwhile, the 45-degree spectroscope can convert the projection angle of the light rays emitted to the first focusing lens into the vertical direction, the light rays are ensured to vertically strike the retroreflective product, the processing effect of the curve pattern is ensured, the first focusing lens is used for improving the concentration of the light rays, and the subsequent diffusion effect of the first Baowel prism on the light rays is ensured.
Preferably, in the anti-counterfeiting hyperbolic marking device for a retroreflective article, the second reflective component further includes a first 45 ° reflective mirror and a second focusing mirror, the second focusing mirror is located between the first 45 ° reflective mirror and the second bowwell prism, and the other path of light split by the 45 ° reflective mirror is reflected by the first 45 ° reflective mirror and then is directed to the second focusing mirror.
The first 45-degree reflector is used for converting the projection angle of light rays emitted to the second focusing lens into the vertical direction, ensuring that the light rays vertically strike the retroreflective product, and the second focusing lens is used for improving the concentration of the light rays and ensuring the subsequent diffusion effect of the second Powell prism on the light rays.
Preferably, the above-mentioned anti-counterfeiting hyperbola marking device for a retroreflective product, the transmission assembly comprises a cylindrical cam and a driven bearing, an oblique groove is formed in the cylindrical cam, one end of the driven bearing is clamped on the oblique groove, the other end of the driven bearing is connected to the cavity, and the cylindrical cam drives the first reflective assembly and the second reflective assembly in the cavity to reciprocate through the driven bearing.
The cylindrical cam is driven by the driving device to rotate and drives the inclined groove to rotate, and the inclined groove is used for being matched with the driven shaft bearing to drive the reciprocating motion of the cavity, so that the first reflecting component and the second reflecting component are driven to reciprocate.
Preferably, the anti-counterfeiting hyperbola marking device for a retroreflective product, wherein the transmission assembly further comprises a linear guide rail and a sliding table assembly, the sliding table assembly is arranged on the machine base, the chamber is slidably connected to the sliding table assembly, one end of the linear guide rail is connected with the driven bearing, and the other end of the linear guide rail is connected with the sliding table assembly and drives the chamber to reciprocate through the sliding table assembly.
The linear guide is used for connecting the sliding table assembly and the driven bearing, the driven bearing pushes the sliding table assembly to move through the linear guide, the sliding table assembly is arranged on the machine base, the stability of the transmission process can be improved, the cavity is driven to move through the sliding table assembly, and the transmission effect is guaranteed.
Preferably, the anti-counterfeiting hyperbola marking device for the retroreflective product is characterized in that the transmission device is a guide roller, and the rotation direction of the guide roller is perpendicular to the movement directions of the first reflective assembly and the second reflective assembly.
The guide roller is used for placing the retroreflective product and driving the retroreflective product to move, and the retroreflective product moves in a direction perpendicular to the movement direction of the first retroreflective assembly and the second retroreflective assembly.
Preferably, in the anti-counterfeiting hyperbola marking device for a retroreflective article, the light source assembly includes a fiber laser, a beam shaper, and a second 45 ° mirror, wherein the fiber laser emits light and irradiates the second 45 ° mirror through the beam shaper, and the second 45 ° mirror reflects the light on the first reflecting assembly.
The optical fiber laser is used for emitting laser rays, the beam shaper is used for shaping the rays, and the second 45-degree reflecting mirror is used for reflecting the rays to the 45-degree spectroscope for light splitting.
Preferably, the anti-counterfeiting hyperbola marking device for the retroreflective product further comprises a speed measuring encoder, wherein the speed measuring encoder is arranged on the machine base, and the speed measuring encoder controls the movement speed of the transmission device.
The speed measuring encoder is used for measuring the movement speed of the transmission device, so that a user can conveniently control the movement speed of the transmission device, and the movement speed of the retroreflective product is controlled.
Preferably, the anti-counterfeiting hyperbola marking device for the retroreflective product further comprises a linkage belt, wherein the driving device is provided with a first belt wheel, the driving assembly is provided with a second belt wheel, two ends of the linkage belt are respectively sleeved on the first belt wheel and the second belt wheel, and the driving device drives the driving assembly to move through the first belt wheel, the linkage belt and the second belt wheel.
The linkage belt is used for connecting a first belt wheel and a second belt wheel, the first belt wheel is used for being driven by the driving device to rotate, and the second belt wheel is used for being driven by the linkage belt to rotate and drive the transmission assembly to move.
Preferably, in the anti-counterfeiting hyperbola marking device for a retroreflective product, the machine base is provided with a speed regulating device, and the speed regulating device is connected with the driving device and is matched with the transmission device to control the driving speed of the driving device.
The speed regulating device is matched with the transmission device, so that the transmission speed of the transmission device, namely the movement speed of the retroreflective product, is obtained, and the driving speed of the driving device is regulated through the movement speed of the retroreflective product, so that the finally obtained hyperbolic pattern is always uniform and stable, and the anti-counterfeiting performance of the anti-counterfeiting pattern is improved. Wherein the speed regulating device can be a potentiometer or other speed regulating devices.
Preferably, in the anti-counterfeiting hyperbola marking device for a retroreflective article, the cavity is provided with a first angle adjusting device and a second angle adjusting device, the first angle adjusting device adjusts the angle of the 45-degree spectroscope, and the second angle adjusting device adjusts the angle of the first 45-degree reflecting mirror.
The first angle adjusting device is used for adjusting the angle of the 45-degree spectroscope, guaranteeing that one path of light rays of the 45-degree spectroscope vertically strike the first collecting mirror, the second angle adjusting device is used for adjusting the angle of the first 45-degree reflecting mirror, guaranteeing that the first 45-degree reflecting mirror vertically strikes the second collecting mirror with the other path of light rays, and accordingly enabling the two paths of light rays vertically strike a retroreflection product through the first reflecting assembly and the second reflecting assembly respectively, the definition of hyperbolic patterns can be improved, and meanwhile, the hyperbolic pattern floating effect is achieved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a right side view of the present invention;
fig. 5 is a left side view of the present invention.
Detailed Description
The invention is described in further detail below in connection with figures 1-5 and the detailed description, which are not intended to limit the invention:
example 1
The anti-counterfeiting hyperbolic marking device for the retroreflective product comprises a machine base 1 and a transmission device 12, and further comprises a light source assembly 4, a first reflecting assembly 6, a second reflecting assembly 7, a transmission assembly 3 and a driving device 5, wherein a cavity 2 is further arranged on the machine base 1, the first reflecting assembly 6 and the second reflecting assembly 7 are arranged in the cavity 2, the light source assembly 4 and the transmission assembly 3 are connected with the cavity 2, the first reflecting assembly 6 and the second reflecting assembly 7 receive light rays emitted by the light source assembly 4 and reflect the light rays to a plane where the transmission device 12 is located, the driving device 5 is connected with the transmission assembly 3 and drives the cavity 2 to reciprocate through the transmission assembly 3, the first reflecting assembly 6 and the second reflecting assembly 7 synchronously reciprocate with the cavity 2, the movement direction of the transmission device 12 is perpendicular to the movement direction of the first reflecting assembly 6 and the movement direction of the second reflecting assembly 7, the first reflecting assembly 6 comprises a first wilford prism 63, the first wilford prism 63 is parallel to the transmission device 12 and diffuses the light rays to the second wilford prism 73 and transmits the light rays to the second prism 73 on the plane where the second wilford prism 12 is parallel to the transmission device 73.
When the light source device is used, a retroreflective product is placed on the transmission device 12, the driving device 5 and the transmission device 12 are started, the driving device 5 drives the first retroreflective component 6 and the second retroreflective component 7 to reciprocate through the transmission component 3, meanwhile, the transmission device 12 drives the retroreflective product to reciprocate, the reciprocating direction of the first retroreflective component 6 and the second retroreflective component 7 is perpendicular to the moving direction of the retroreflective product, the light source component 4 emits light, the light source component 4 is a laser light source, the first retroreflective component 6 receives the light emitted by the light source component 4 and finally spreads the light evenly through the first Bowell prism 63 and then strikes the retroreflective product, and therefore a first curve is formed on the retroreflective product under the matching of the reciprocating movement of the first retroreflective component 6 and the movement of the retroreflective product.
The second reflecting component 7 receives the light emitted by the light source component 4 and finally spreads the light evenly through the second hawk 73 and then strikes the retroreflective article, so that a second curve is struck on the retroreflective article under the cooperation of the reciprocating motion of the second reflecting component 7 and the motion of the retroreflective article.
The first bowilt prism 63 and the second bowilt prism 73 diffuse light outwards from one light concentration point to the retroreflective article uniformly, so that a burning line is formed on the retroreflective article uniformly from top to bottom, and the burning angles of the points in the burning line are different, so that an observer can observe only a part of burning points when observing the retroreflective article at a certain angle. Then along with the movement of the retroreflective article and the reciprocal movement of the first retroreflective member 6 and the second retroreflective member 7, a series of up-and-down undulating firing lines are finally formed on the retroreflective article, so that when an observer observes the retroreflective article at a certain angle, the observer can see the curve pattern formed by the series of up-and-down undulating firing lines at the observation angle, and along with the movement of the observer's observation angle, the curve pattern formed by the series of up-and-down undulating firing lines at another observation angle can be gradually seen, thereby realizing the anti-counterfeiting function of dynamically changing hyperbolas can be observed on the retroreflective article along with the change of the observer's observation angle, and the pattern of each hyperbolas is clear, thereby greatly improving the anti-counterfeiting effect of the retroreflective article.
Preferably, the first reflecting component 6 further includes a 45 ° beam splitter 61 and a first focusing mirror 62, the first focusing mirror 62 is located between the 45 ° beam splitter 61 and the first hawk prism 63, one path of light emitted from the light source component 4 after being split by the 45 ° beam splitter 61 is directed to the first focusing mirror 62, and the other path of light is directed to the second reflecting component 7.
Preferably, the second reflecting component 7 further includes a first 45 ° reflecting mirror 71 and a second focusing mirror 72, and the second focusing mirror 72 is located between the first 45 ° reflecting mirror 71 and the second hawk prism 73, and the other light split by the 45 ° beam splitter 61 is reflected by the first 45 ° reflecting mirror 71 and then is directed to the second focusing mirror 72.
Preferably, the transmission assembly 3 includes a cylindrical cam 31 and a driven bearing 32, an oblique groove 35 is provided on the cylindrical cam 31, one end of the driven bearing 32 is clamped on the oblique groove 35, the other end of the driven bearing 32 is connected to the chamber 2, and the cylindrical cam 31 drives the first reflective assembly 6 and the second reflective assembly 7 in the chamber 2 to reciprocate through the driven bearing 32.
Preferably, the transmission assembly 3 further includes a linear guide 34 and a sliding table assembly 33, the sliding table assembly 33 is disposed on the base 1, the chamber 2 is slidably connected to the sliding table assembly 33, one end of the linear guide 34 is connected to the driven bearing 32, and the other end of the linear guide 34 is connected to the sliding table assembly 33 and drives the chamber 2 to reciprocate through the sliding table assembly 33.
Preferably, the transmission device 12 is a guide roller, and the rotation direction of the guide roller is perpendicular to the movement direction of the first reflecting component 6 and the second reflecting component 7.
Preferably, the light source assembly 4 includes a fiber laser 43, a beam shaper 42, and a second 45 ° mirror 41, where the fiber laser 43 emits light and irradiates the second 45 ° mirror 41 through the beam shaper 42, and the second 45 ° mirror 41 reflects the light onto the first reflecting assembly 6.
Preferably, the speed measuring device further comprises a speed measuring encoder 11, wherein the speed measuring encoder 11 is arranged on the base 1, and the speed measuring encoder 11 controls the movement speed of the transmission device 12.
Preferably, the driving device 5 is provided with a first belt wheel 51, the transmission assembly 3 is provided with a second belt wheel 52, two ends of the linkage belt 53 are respectively sleeved on the first belt wheel 51 and the second belt wheel 52, and the driving device 5 drives the transmission assembly 3 to move through the first belt wheel 51, the linkage belt 53 and the second belt wheel 52.
Preferably, the machine base 1 is provided with a speed regulating device 13, and the speed regulating device 13 is connected with the driving device 5 and cooperates with the transmission device 12 to control the driving speed of the driving device 5.
Preferably, the chamber 2 is provided with a first angle adjusting device 21 and a second angle adjusting device 22, the first angle adjusting device 21 adjusts the angle of the 45 ° beam splitter 61, and the second angle adjusting device 22 adjusts the angle of the first 45 ° beam splitter 71.
Specifically, when in use, the retroreflective article is firstly placed on the transmission device 12, then the driving device 5 and the guide roller are started, wherein the driving device 5 can select a servo motor, the servo motor drives the first belt pulley 51 to rotate and drives the second belt pulley 52 to rotate through the linkage belt 53, the second belt pulley 52 drives the cylindrical cam 31 to rotate, the oblique groove 35 on the cylindrical cam 31 also synchronously rotates with the cylindrical cam 31 and is matched with the driven bearing 32, the linear guide 34 is pushed to repeatedly move, the linear guide 34 pushes the sliding table component 33 and the chamber 2 to move, thereby driving the first retroreflective component 6 and the second retroreflective component 7 to repeatedly move, the transmission device 12 drives the retroreflective article to move, the optical fiber laser 43 is opened and emits laser, the laser is projected onto the second 45 DEG reflective mirror 41 through the beam shaper 42, the second 45 DEG reflecting mirror 41 emits laser onto the 45 DEG beam splitter 61, the 45 DEG beam splitter 61 divides the laser into two paths, one path is emitted onto the first focusing mirror 62, the other path is emitted onto the second focusing mirror 72 through the first 45 DEG reflecting mirror 71, the laser emitted by the first focusing mirror 62 is emitted onto the retroreflective article through the first Bowell prism 63, a first curve is emitted onto the retroreflective article in cooperation with the reciprocating motion and the movement of the retroreflective article, the laser emitted by the second focusing mirror 72 is emitted onto the retroreflective article through the second Bowell prism 73, a second curve is emitted onto the retroreflective article in cooperation with the reciprocating motion and the movement of the retroreflective article, and the first curve and the second curve are combined to form a hyperbolic anti-counterfeiting pattern with a floating effect.
The user can also control the movement speed of the retroreflective article through the tachometer encoder 11, and adjust the movement speed down when a hyperbolic pattern with a large bending radian is required, and adjust the movement speed up when a hyperbolic pattern with a small bending radian is required. And the speed regulating device 13 can ensure that the reciprocating motion speed of the first reflecting component 6 and the second reflecting component 7 is matched with the motion speed of the retroreflective product, and ensure that the obtained hyperbolic pattern is uniform and stable.
Before the fiber laser 43 is turned on, a user can adjust the angle of the 45 ° beam splitter 61 by the first angle adjusting device 21, and adjust the angle of the first 45 ° beam splitter 71 by the second angle adjusting device 22, so as to ensure that the laser light can strike the surface of the retroreflective article vertically. The first angle adjusting device 21 and the second angle adjusting device 22 may be selected from screws, threaded rods, etc., and the angles of the 45 ° spectroscope 61 and the first 45 ° reflecting mirror 71 may be stably and finely adjusted by screwing the screws and threaded rods, so as to ensure the stability of the subsequent marking operation.
In summary, the foregoing description is only of the preferred embodiments of the present invention, and all equivalent changes and modifications that come within the scope of the present invention are desired to be covered thereby.
Claims (11)
1. The utility model provides a device is beaten with anti-fake hyperbola to retro-reflection goods, includes frame (1), transmission device (12), its characterized in that: the light source device comprises a base (1), and is characterized by further comprising a light source assembly (4), a first light reflecting assembly (6), a second light reflecting assembly (7), a transmission assembly (3) and a driving device (5), wherein the base (1) is further provided with a cavity (2), the first light reflecting assembly (6) and the second light reflecting assembly (7) are arranged in the cavity (2), the light source assembly (4), the transmission assembly (3) are connected with the cavity (2), the first light reflecting assembly (6) and the second light reflecting assembly (7) receive light emitted by the light source assembly (4) and reflect the light to a plane where a transmission device (12) is located, the driving device (5) is connected with the transmission assembly (3) and drives the cavity (2) to reciprocate through the transmission assembly (3), the first light reflecting assembly (6), the second light reflecting assembly (7) and the cavity (2) reciprocate synchronously, the motion direction of the transmission device (12) is perpendicular to the motion direction of the first light reflecting assembly (6) and the second light reflecting assembly (7), the first light reflecting assembly (6) comprises a first wilford prism (63) and transmits the light to the wilford prism (12) in parallel to the plane, the second light reflecting component (7) comprises a second Powell prism (73), and the second Powell prism (73) is parallel to the transmission device (12) and diffuses light rays to the plane of the transmission device (12).
2. An anti-counterfeiting hyperbolic marking device for a retroreflective article according to claim 1, wherein: the first reflecting component (6) further comprises a 45-degree spectroscope (61) and a first focusing mirror (62), the first focusing mirror (62) is located between the 45-degree spectroscope (61) and the first Powell prism (63), and one path of light emitted by the light source component (4) is emitted to the first focusing mirror (62) after being split by the 45-degree spectroscope (61), and the other path of light is emitted to the second reflecting component (7).
3. An anti-counterfeiting hyperbolic marking device for a retroreflective article according to claim 2, wherein: the second reflecting component (7) further comprises a first 45-degree reflecting mirror (71) and a second focusing mirror (72), the second focusing mirror (72) is located between the first 45-degree reflecting mirror (71) and the second Bowil prism (73), and the other path of light split by the 45-degree beam splitter (61) is reflected by the first 45-degree reflecting mirror (71) and then is emitted to the second focusing mirror (72).
4. An anti-counterfeiting hyperbolic marking device for a retroreflective article according to claim 1, wherein: the transmission assembly (3) comprises a cylindrical cam (31) and a driven bearing (32), an inclined groove (35) is formed in the cylindrical cam (31), one end of the driven bearing (32) is clamped on the inclined groove (35) and the other end of the driven bearing is connected to the cavity (2), and the cylindrical cam (31) drives a first reflecting assembly (6) and a second reflecting assembly (7) in the cavity (2) to reciprocate through the driven bearing (32).
5. The anti-counterfeiting hyperbolic marking device for a retroreflective article according to claim 4, wherein: the transmission assembly (3) further comprises a linear guide rail (34) and a sliding table assembly (33), the sliding table assembly (33) is arranged on the base (1), the cavity (2) is connected to the sliding table assembly (33) in a sliding mode, one end of the linear guide rail (34) is connected with the driven bearing (32), and the other end of the linear guide rail (34) is connected with the sliding table assembly (33) and drives the cavity (2) to reciprocate through the sliding table assembly (33).
6. An anti-counterfeiting hyperbolic marking device for a retroreflective article according to claim 1, wherein: the transmission device (12) is a guide roller, and the rotation direction of the guide roller is perpendicular to the movement directions of the first reflecting component (6) and the second reflecting component (7).
7. An anti-counterfeiting hyperbolic marking device for a retroreflective article according to claim 1, wherein: the light source assembly (4) comprises a fiber laser (43), a beam shaper (42) and a second 45-degree reflecting mirror (41), wherein the fiber laser (43) emits light and irradiates the second 45-degree reflecting mirror (41) through the beam shaper (42), and the second 45-degree reflecting mirror (41) reflects the light on the first reflecting assembly (6).
8. An anti-counterfeiting hyperbolic marking device for a retroreflective article according to claim 1, wherein: the speed measuring device is characterized by further comprising a speed measuring encoder (11), wherein the speed measuring encoder (11) is arranged on the base (1), and the speed measuring encoder (11) controls the movement speed of the transmission device (12).
9. An anti-counterfeiting hyperbolic marking device for a retroreflective article according to claim 1, wherein: the novel belt conveyor comprises a driving device, and is characterized by further comprising a linkage belt (53), wherein a first belt wheel (51) is arranged on the driving device (5), a second belt wheel (52) is arranged on the transmission assembly (3), two ends of the linkage belt (53) are respectively sleeved on the first belt wheel (51) and the second belt wheel (52), and the driving device (5) drives the transmission assembly (3) to move through the first belt wheel (51), the linkage belt (53) and the second belt wheel (52).
10. An anti-counterfeiting hyperbolic marking device for a retroreflective article according to claim 1, wherein: the machine seat (1) is provided with a speed regulating device (13), and the speed regulating device (13) is connected with the driving device (5) and is matched with the transmission device (12) to control the driving speed of the driving device (5).
11. A retroreflective article security hyperbolic marking device according to claim 3 wherein: the chamber (2) is provided with a first angle adjusting device (21) and a second angle adjusting device (22), the angle of the 45-degree spectroscope (61) is adjusted by the first angle adjusting device (21), and the angle of the first 45-degree reflecting mirror (71) is adjusted by the second angle adjusting device (22).
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| CN201811388007.XA CN109290676B (en) | 2018-11-21 | 2018-11-21 | Anti-fake hyperbola marking device for retroreflective product |
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| CN110052718B (en) * | 2019-04-26 | 2021-09-17 | 重庆新知创科技有限公司 | Anti-fake hyperbolic marker of krypton pump light source of contrary reflection products |
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