Laser coding equipment and laser coding method

Abstract

The invention discloses laser code printing equipment and a laser code printing method, and the laser code printing equipment comprises a supporting platform which is provided with a first through hole penetrating through the supporting platform and a gap machining area; the conveying mechanism is arranged on one side or two sides of the supporting platform in the x-axis direction; the guide mechanism comprises a guide wheel penetrating through the first through hole from the back face and is arranged in a liftable mode. The laser machining head is arranged below the supporting platform and can move in the x-axis direction and the z-axis direction; the laser generating mechanism is arranged below the supporting platform; the laser transmission mechanism is used for transmitting the laser output by the laser generation mechanism to the laser processing head; and the positioning camera is arranged beside the laser processing head, and the positioning camera comprises a shooting end pointing to the processing gap area. The fixing stability and the position precision during workpiece machining are remarkably improved, the laser machining head can be controlled to move based on the actual position of the workpiece and the code printing requirement, and the machining precision can be improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of laser processing, and particularly relates to a laser code printing equipment and a laser code printing method. BACKGROUND

[0002] In a solar cell production process, in order to mark the model, production batch and other information of the solar cell, a laser code printing process needs to be performed on the glass panel of the solar cell. The existing laser code printing device comprises a conveying belt and a laser processing head. The conveying belt conveys the glass panel to a code printing station opposite the laser processing head. After the laser processing head completes code printing on the glass panel, the conveying belt conveys the glass panel out of the code printing station.

[0003] The existing laser code printing equipment has the following problems: during code printing operation, the glass panel is located on the conveying belt, and the position accuracy of the glass panel cannot be guaranteed. Meanwhile, the laser operation position cannot be adaptively adjusted based on the position of the glass panel, which affects the code printing accuracy and affects the yield. SUMMARY

[0004] The application aims to provide a laser code printing equipment, which comprises:

[0005] A support platform comprising a bearing surface and a back surface, wherein a first through hole is arranged on the support platform and communicates the bearing surface and the back surface, and a processing gap region for laser passing through is arranged on the support platform;

[0006] A conveying mechanism arranged on one side or both sides of the support platform in the x-axis direction, wherein the conveying mechanism is used for conveying a workpiece into or out of above the bearing surface;

[0007] A guide mechanism comprising a guide wheel penetrating the first through hole from the back surface, wherein the guide mechanism is arranged in a liftable manner, so that the guide wheel comprises an extended posture extending out of the bearing surface and a retracted posture retracted into the first through hole, and the guide mechanism is used for transferring the workpiece between the bearing surface and the conveying mechanism;

[0008] A laser processing head arranged below the support platform, wherein the laser processing head is used for emitting laser to the processing gap region, and the laser processing head is arranged in a movable manner along the x-axis direction and the z-axis direction;

[0009] A laser generating mechanism arranged below the support platform;

[0010] A laser transmission mechanism used for transmitting laser output by the laser generating mechanism to the laser processing head;

[0011] A positioning camera arranged beside the laser processing head, wherein the positioning camera comprises a shooting end pointing to the processing gap region.

[0012] In one or more embodiments, further comprising:

[0013] A mounting rack is arranged outside the support platform, and the mounting rack is arranged in a lifting manner;

[0014] The conveying mechanism and the guide mechanism are arranged on the mounting rack, and the top end of the guide wheel is in the same plane as the conveying surface of the conveying mechanism.

[0015] In one or more embodiments, further comprising a fixed carrier arranged on the conveying mechanism, and the top surface of the fixed carrier is in the same plane as the bearing surface;

[0016] The conveying mechanism comprises a plurality of conveying wheels, the fixed carrier is provided with an avoiding hole for avoiding the conveying wheels, and the conveying wheels comprise an extended posture extending out of the top surface of the fixed carrier and a retracted posture retracted into the avoiding hole.

[0017] In one or more embodiments, the bearing surface is provided with a groove, and the support platform is further provided with a second through hole connecting the back surface and the groove;

[0018] The laser coding device further comprises a vacuum generating mechanism, and a vacuum output end of the vacuum generating mechanism is in communication with one end of the second through hole located on the back surface, so as to form a suction negative pressure in the groove.

[0019] In one or more embodiments, further comprising:

[0020] A sizing mechanism is arranged on both sides of the conveying mechanism, and the sizing mechanism comprises a first telescopic end telescopically movable along the y-axis direction and a rotatable sizing column arranged on the first telescopic end;

[0021] A to-position blocking mechanism is arranged on one side of the discharge end of the support seat, and the to-position blocking mechanism comprises a second telescopic end telescopically movable along the z-axis direction and a blocking block arranged on the second telescopic end;

[0022] A feeding positioning mechanism is arranged on one side of the feeding end of the conveying mechanism, and the feeding positioning mechanism comprises a third telescopic end telescopically movable along the x-axis direction and the z-axis direction and a rotatable positioning column arranged on the third telescopic end.

[0023] In one or more embodiments, further comprising:

[0024] A first mounting seat is movably arranged along the x-axis direction;

[0025] A second mounting seat is arranged on the first mounting seat, and the second mounting seat is movably arranged along the z-axis direction;

[0026] The laser processing head is arranged on the second mounting seat, and the laser processing head comprises a first laser output end pointing to the z-axis direction and a first laser input end pointing to the x-axis direction.

[0027] The laser transmission mechanism comprises a first reflecting mirror arranged on the second mounting seat and a second reflecting mirror arranged on the first mounting seat.

[0028] The first reflecting mirror comprises a second laser output end corresponding to the first laser input end and a second laser input end pointing to the z-axis direction.

[0029] The second reflecting mirror comprises a third laser output end corresponding to the second laser input end and a third laser input end pointing to the x-axis direction.

[0030] The laser generation mechanism is arranged on the side of the third laser input end of the second reflecting mirror, and is configured to output laser to the third laser input end.

[0031] In one or more embodiments, further comprising:

[0032] A blowing mechanism arranged beside the laser processing head, the blowing mechanism comprising a blowing operation end pointing to the laser-exiting end of the laser processing head.

[0033] A code scanning mechanism arranged beside the laser processing head, the code scanning mechanism comprising a code scanning end pointing to the processing gap region.

[0034] A dust collecting mechanism arranged beside the laser processing head, the dust collecting mechanism comprising a dust collecting port pointing to the laser-exiting end of the laser processing head.

[0035] To achieve the above-mentioned purpose, the second aspect of the present application provides a laser coding method, which adopts the laser coding machine of any one of the above-mentioned embodiments, and the laser coding method comprises:

[0036] Adjusting the z-axis position of the laser processing head based on the model of the workpiece to be coded.

[0037] Controlling the lifting of the guide mechanism to switch the guide wheel to the extended posture.

[0038] Transferring the workpiece to be coded to the guide mechanism through the conveying mechanism.

[0039] Controlling the lowering of the guide mechanism to switch the guide wheel to the retracted posture, and the workpiece to be coded is supported by the bearing surface.

[0040] Obtaining the edge image of the workpiece to be coded collected by the positioning camera, and adjusting the x-axis position of the laser processing head based on the edge image.

[0041] controlling the laser generating mechanism to start working and performing the code printing operation;

[0042] after the code printing is completed, controlling the guiding mechanism to lift up and transmit the workpiece printed with the code out of the guiding mechanism through the conveying mechanism.

[0043] In one or more embodiments, the laser code printing device further comprises:

[0044] a shaping mechanism arranged on both sides of the conveying mechanism, the shaping mechanism comprising a first telescopic end telescopable along the y-axis direction and a rotatable shaping column arranged on the first telescopic end;

[0045] a position blocking mechanism arranged on one side of the discharge end of the support seat, the position blocking mechanism comprising a second telescopic end telescopable along the z-axis direction and a blocking block arranged on the second telescopic end;

[0046] a feeding positioning mechanism arranged on one side of the feeding end of the conveying mechanism, the feeding positioning mechanism comprising a third telescopic end telescopable along the x-axis direction and the z-axis direction and a rotatable positioning column arranged on the third telescopic end;

[0047] the step of conveying the workpiece to be printed with code onto the guiding mechanism through the conveying mechanism comprises:

[0048] controlling the positioning column to descend below the conveying surface of the conveying mechanism, the blocking block to ascend above the conveying surface of the conveying mechanism, and the shaping column to extend along the y-axis direction;

[0049] the workpiece to be printed with code is conveyed through the conveying mechanism and adjusted in the y-axis position by the shaping column during the conveying process until the workpiece to be printed with code is blocked by the blocking block;

[0050] controlling the positioning column to ascend above the conveying surface of the conveying mechanism and then move along the x-axis direction so that the positioning column cooperates with the blocking block to limit the workpiece to be printed with code.

[0051] In one or more embodiments, the laser code printing device further comprises:

[0052] a blowing mechanism arranged beside the laser processing head, the blowing mechanism comprising a blowing operation end pointing to one end of the laser processing head from which laser light is emitted;

[0053] a code scanning mechanism arranged beside the laser processing head, the code scanning mechanism comprising a code scanning end pointing to the processing gap area;

[0054] a dust collecting mechanism arranged beside the laser processing head, the dust collecting mechanism comprising a dust collecting port pointing to one end of the laser processing head from which laser light is emitted;

[0055] Synchronizing with the step of controlling the laser generating mechanism to start working, further comprising:

[0056] Controlling the blowing mechanism and the dust collecting mechanism to start working;

[0057] The laser coding method further comprises:

[0058] After the coding is completed, the code scanning mechanism is controlled to perform code scanning operation, and it is judged whether the code scanning result is accurate;

[0059] If not, an alarm information is sent.

[0060] Compared with the prior art, the beneficial effects of the present application are:

[0061] The laser coding equipment of the present application can lift the guide mechanism as a whole when conveying the workpiece, the guide wheel extends out of the bearing surface of the support platform, the workpiece is moved to above the support platform by the conveying mechanism and is positioned, then the mounting frame can be lowered as a whole, the guide wheel is retracted below the bearing surface, the workpiece is supported by the support platform and the fixed table, and at the same time the workpiece is adsorbed and fixed by the support platform, which significantly improves the fixing stability and position accuracy of the workpiece during processing, and helps to improve the processing accuracy.

[0062] The laser coding equipment of the present application can control the laser processing head to move along the x-axis and z-axis directions based on the actual position of the workpiece and the coding demand, and can ensure the stability of the laser light path during the movement of the laser processing head, which can adapt to different types of glass panels and meet the demand of different laser coding operation scenes, and helps to improve the processing accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0063] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0064] Figure 1 is a structural schematic diagram of an embodiment of the laser coding equipment of the present application;

[0065] Figure 2 is a structural schematic diagram of an embodiment of the mounting frame of the present application;

[0066] Figure 3 is a structural schematic diagram of an embodiment of the positioning mechanism of the present application;

[0067] Figure 4 is a structural schematic diagram of an embodiment of the in-place blocking mechanism of the present application;

[0068] Figure 5 is a structural schematic diagram of an embodiment of the feeding positioning mechanism of the present application;

[0069] Figure 6 is a structural schematic diagram of an embodiment of the feeding positioning mechanism of the present application; Figure 1 is a partial enlarged schematic diagram of A in

[0070] Figure 7 is a structural schematic diagram of an embodiment of the support platform of the present application;

[0071] Figure 8 is a partial structural schematic diagram of an embodiment of the laser coding equipment of the present application;

[0072] Figure 9 is another partial structural schematic diagram of an embodiment of the laser coding equipment of the present application;

[0073] Figure 10 is a partial enlarged schematic diagram of B in Figure 9

[0074] Figure 11 is a flow schematic diagram of an embodiment of the laser coding method of the present application;

[0075] Figure 12 is a flow schematic diagram of an embodiment corresponding to S300 in Figure 11 DETAILED DESCRIPTION

[0076] In order for those skilled in the art to better understand the technical solutions in the present disclosure, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only some of the embodiments of the present disclosure, not all the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without creative labor should fall within the scope of protection of the present disclosure.

[0077] In order to solve the problem of low coding processing precision at present, the applicant has developed a new type of laser coding equipment. On the one hand, the equipment can stably support and fix the workpiece to be coded during coding operation, ensuring the position precision of the workpiece. On the other hand, the laser operation position can be adaptively adjusted based on the position of the workpiece to be coded, thereby significantly improving the coding processing precision.

[0078] Specifically, please refer to Figure 1 , Figure 1 is a structural schematic diagram of an embodiment of the laser coding equipment of the present application.

[0079] As Figure 1 ​​As shown, the laser coding equipment includes a support platform 100, the support platform 100 includes a bearing surface 101 and a back surface 102 (not shown) arranged opposite to each other, Figure 1 The bearing surface 101 is used to bear the workpiece, and the support platform 100 is arranged with a first through hole 103 penetrating through the bearing surface 101 and the back surface 102.

[0080] The support platform 100 is arranged with a machining gap area 106 for the laser to pass through, and the support platform 100 is further arranged below with a laser machining head 1200, a laser generating mechanism 1300 and a laser transmission mechanism 1400.

[0081] The laser machining head 1200 is used to emit laser to the machining gap area, the laser generating mechanism 1300 is arranged below the support platform, and the laser transmission mechanism 1400 is used to transmit the laser output by the laser generating mechanism 1300 to the laser machining head 1200.

[0082] In order to adjust the position of the laser machining head 1200 based on the model and actual position of the workpiece to be coded, the laser machining head 1200 can move in the x-axis direction and the z-axis direction.

[0083] The support platform 100 is provided with a mounting frame 200, the mounting frame 200 is arranged to be liftable, and the mounting frame 200 is arranged with an in-feed station 201, a machining station 202 and an out-feed station 203 arranged in sequence along a first direction x, and the machining station 202 corresponds in position to the support platform 100.

[0084] The mounting frame 200 is arranged with a conveying mechanism 300 and a guide mechanism 400, the conveying mechanism 300 is located at the in-feed station 201 and the out-feed station 203 for conveying the workpiece; the guide mechanism 400 is located at the machining station 202, and the guide mechanism 400 includes a guide wheel 401 inserted into the first through hole 103 from the back surface 102, and the guide wheel 401 is in the same plane as the conveying surface of the conveying mechanism 300. The guide wheel 401 includes an extended posture extending out of the bearing surface 101, and a retracted posture retracted into the first through hole 103.

[0085] It can be understood that when conveying the workpiece, the mounting frame 200 can be lifted as a whole, at this time the guide wheel 401 is in the extended posture, and the workpiece is moved from the in-feed station 201 to the machining station 202 by the conveying action of the conveying mechanism 300, at this time part of the workpiece is located in the machining station 202, and the other part is located in the in-feed station 201; after positioning, the mounting frame 200 can be lowered as a whole until the guide wheel 401 switches to the retracted posture, at this time the workpiece is supported by the bearing surface 101, ensuring the stability during machining.

[0086] Specifically, the mounting rack 200 in the embodiment is arranged below a support 500, and a lifting mechanism 600 is arranged between the support 500 and the mounting rack 200, which is used to adjust the height of the mounting rack 200 to control the switching of the guide wheel 401 between the extended posture and the retracted posture.

[0087] The conveying mechanism 300 and the guide mechanism 400 of the present application will be described in detail below. Please refer to Figure 2 , Figure 2 FIG. 1 is a structural schematic diagram of an embodiment of the mounting rack of the present application.

[0088] As shown in Figure 2 , the conveying mechanism 300 in the embodiment includes a plurality of transmission shafts 301 arranged in sequence on the mounting rack 200 along a first direction x, each transmission shaft 301 is arranged to extend along a second direction y perpendicular to the first direction x, and a plurality of conveying wheels 302 are arranged in sequence on each transmission shaft 301 along the second direction y. A conveying drive unit 303 is arranged on the side surface of the mounting rack 200, which is used to drive the transmission shaft 301 to rotate.

[0089] The conveying drive unit 303 in the embodiment includes a drive shaft 3031 and a rotary motor 3032 used to control the rotation of the drive shaft 3031, and the drive shaft 3031 and the transmission shaft 301 are connected through a magnetic wheel 3033; in other embodiments, the conveying drive unit 303 can also adopt other devices that can control the rotation of the transmission shaft 301, such as a transmission belt, etc.

[0090] As shown in Figure 2 , the guide mechanism 400 in the embodiment includes a support crossbar 402 fixed to the mounting rack 200, which is arranged on the side of the back surface 102 of the support platform 100. A support arm 403 is arranged on the support crossbar 402, which is arranged to extend in the direction pointing to the support platform 100, and the support arm 403 is arranged in one-to-one correspondence with the first through hole 103, and the guide wheel 401 is mounted at the top end of the support arm 403, so that the guide wheel 401 can be inserted into the first through hole 103.

[0091] In order to align and regularize the workpiece, the mounting rack 200 in the embodiment is further arranged with a regularizing mechanism 700, which is arranged on both sides of the feeding station 201 and the alignment station, and can be used to align and regularize the workpiece located on the conveying mechanism 300 and the guide mechanism 400, so as to ensure the positional accuracy of the workpiece in the second direction y.

[0092] Specifically, please refer to Figure 3 , Figure 3 FIG. 7 is a structural schematic diagram of an embodiment of the regularizing mechanism of the present application.

[0093] AsFigure 3 As shown in the figure, the sizing mechanism 700 comprises a sizing telescopic unit 701, a sizing mounting plate 702 and a sizing column 703. The sizing telescopic unit 701 is arranged on the mounting rack 200 and comprises a first telescopic end 7011 which is telescopic along the second direction y; the sizing mounting plate 702 is arranged on the first telescopic end 7011; the sizing column 703 is mounted on the sizing mounting plate 702 and is rotatably arranged.

[0094] It can be understood that the sizing column 703 is controlled to move along the second direction y by the sizing telescopic unit 701, and a pair of sizing columns 703 cooperatively limits the workpiece along the second direction y. Since the sizing column 703 is rotatably arranged, the workpiece can move along the first direction x under the guidance of the sizing column 703 without damaging the edge of the workpiece.

[0095] In the embodiment, the sizing telescopic unit 701 is a pneumatic cylinder, and other telescopic devices can also be used in other embodiments, which can achieve the effect of the embodiment.

[0096] Further, in order to ensure the position accuracy of the workpiece along the first direction x during processing, please refer to Figure 3 In the embodiment, the mounting rack 200 further comprises an in-place blocking mechanism 800 and a feeding positioning mechanism 900. The in-place blocking mechanism 800 is arranged at the discharge end of the processing station 202, and the feeding positioning mechanism 900 is arranged at the feeding end of the feeding station 201.

[0097] Specifically, please refer to Figure 4 , Figure 4 is a structural schematic diagram of an embodiment of the in-place blocking mechanism of the application. As shown in the figure, the in-place blocking mechanism 800 comprises a first blocking lifting unit 801 and a blocking block 802. The first blocking lifting unit 801 is arranged on the mounting rack 200 and comprises a first lifting end 8011 which is liftable; the blocking block 802 is arranged on the first lifting end 8011. Figure 4

[0098] Please refer to Figure 5 , Figure 5 is a structural schematic diagram of an embodiment of the feeding positioning mechanism of the application. As shown in the figure, the feeding positioning mechanism 900 comprises a positioning telescopic unit 901, a second blocking lifting unit 902, a positioning mounting plate 903 and a positioning column 904. The second blocking lifting unit 902 is arranged on the mounting rack 200 and comprises a second lifting end 9021 which is liftable; the positioning telescopic unit 901 is arranged on the second lifting end 9021 and comprises a second telescopic end 9011 which is telescopic along the first direction x; the positioning mounting plate 903 is arranged on the second telescopic end 9011; the positioning column 904 is mounted on the positioning mounting plate 903 and is rotatably arranged. Figure 6 ​​

[0099] It can be understood that when the workpiece enters the feeding station 201, the second blocking lifting unit 902 can control the positioning column 904 to descend below the conveying surface, the workpiece can enter the feeding station 201 and the machining station 202 in turn along the first direction x and be blocked by the blocking block 802; then the second blocking lifting unit 902 controls the positioning column 904 to ascend, and the positioning telescopic unit 901 controls the positioning column 904 to move along the first direction x, so that the workpiece is positioned in the first direction x under the cooperation of the blocking block 802 and the positioning column 904.

[0100] When the workpiece is machined, the first blocking lifting unit 801 and the second blocking lifting unit 902 control the blocking block 802 and the positioning column 904 to descend respectively, the workpiece is output through the discharging station 203, and the next batch of workpieces repeats the above steps.

[0101] In the embodiment, the first blocking lifting unit 801, the second blocking lifting unit 902 and the positioning telescopic unit 901 can all be air cylinders, and in other embodiments, any other telescopic device can be used, which can achieve the effect of the embodiment.

[0102] Further, please refer to Figure 6 and Figure 7 , Figure 6 is Figure 1 a partial enlarged view of A in Figure 7 is a structural schematic view of an embodiment of the support platform.

[0103] As shown in Figure 6 and Figure 7 , the bearing surface 101 is provided with a groove 105, and the support platform 100 is further provided with a second through hole 104 penetrating through the back surface 102 and the groove 105. As shown in Figure 8 , the laser coding device further comprises a vacuum generating mechanism (not shown in the figure), and a vacuum output end 1000 of the vacuum generating mechanism is in communication with one end of the second through hole 104 located on the back surface 102, so as to form a suction negative pressure in the groove 105.

[0104] Based on the scheme, the workpiece can be suctioned and fixed during machining, further improving the fixing stability and position accuracy of the workpiece.

[0105] Further, since only the corner area of the workpiece needs to be machined by laser coding, the size of the workpiece is larger than the size of the support platform 100, and the workpiece is in a suspended state except the part located on the support platform 100 during machining. In order to further ensure the fixing stability of the workpiece, please refer to Figure 1In the embodiment, a fixed platform 1100 is arranged above the conveying mechanism 300, the top surface of the fixed platform 1100 is in the same plane as the bearing surface 101, and the fixed platform 1100 is provided with a hole 1101 for avoiding the conveying wheel 302.

[0106] Specifically, the fixed platform 1100 in the embodiment can be fixed to the support 500 by a support (not shown) in the embodiment, when the guide wheel 401 extends above the bearing surface 101, the conveying wheel 302 can extend synchronously above the top surface of the fixed platform 1100, and when the guide wheel 401 is retracted below the bearing surface 101, the conveying wheel 302 is retracted synchronously below the top surface of the fixed platform 1100, so that the fixed platform 1100 can support the suspended part of the workpiece during machining, and the stability of the workpiece is improved. Figure 1

[0107] Based on the laser coding equipment of the above embodiments, when conveying the workpiece, the mounting frame 200 can be lifted as a whole, the guide wheel 401 extends above the bearing surface 101 of the support platform 100, the workpiece is moved to above the support platform 100 by the conveying mechanism 300, and the position is adjusted, then the mounting frame 200 can be lowered as a whole, the guide wheel 401 is retracted below the bearing surface 101, the workpiece is supported by the support platform 100 and the fixed platform 1100, and at the same time the workpiece is adsorbed and fixed by the support platform 100, which significantly improves the stability and position accuracy of the workpiece during machining, and helps to improve the machining accuracy.

[0108] The laser output element of the present application will be described in detail below, please refer to Figure 8 and Figure 9 , Figure 8 is a partial structure schematic diagram of an embodiment of the laser coding equipment of the present application, Figure 9 is another partial structure schematic diagram of an embodiment of the laser coding equipment of the present application.

[0109] As shown in Figure 8 and Figure 9 , the laser coding equipment further comprises a first mounting seat 1500 and a second mounting seat 1600, the first mounting seat 1500 is movably arranged along the x-axis direction, and the second mounting seat 1600 is arranged on the first mounting seat 1500 and movably arranged along the z-axis direction.

[0110] The laser processing head 1200 is arranged on the second mounting seat 1600 and comprises a first laser output end 1201 pointing to the z-axis direction and a first laser input end 1202 pointing to the x-axis direction.

[0111] ​The laser transmission mechanism 1400 comprises a first mirror 1401 arranged on the second mounting seat 1600 and a second mirror 1402 arranged on the first mounting seat 1500; the first mirror 1401 comprises a second laser output end 14011 corresponding to the first laser input end 1202 and a second laser input end 14012 pointing to the z-axis direction; the second mirror 1402 comprises a third laser output end 14021 corresponding to the second laser input end 14012 and a third laser input end 14022 pointing to the x-axis direction; the laser generation mechanism 1300 is arranged on the side of the third laser input end 14022 of the second mirror 1402 and is configured to output laser to the third laser input end 14022.

[0112] Based on the above scheme, when the first mounting seat 1500 moves along the x-axis and the second mounting seat 1600 moves along the z-axis, the laser processing head 1200 can be driven to move synchronously, at the same time, the first mirror 1401 and the laser processing head 1200 move synchronously, the x-axis positions of the first mirror 1401 and the second mirror 1402 remain fixed, and the z-axis positions of the second mirror 1402 and the laser generation mechanism 1300 remain fixed, so that the laser light path can be stabilized when the position of the laser processing head 1200 is adjusted, and the processing requirements of different types of glass panels can be met, for example, the focal length and the processing position of the laser processing head 1200 can be adjusted according to the processing requirements.

[0113] In order to realize the positioning detection of the workpiece before laser processing, the laser processing mechanism in the embodiment further comprises a positioning camera 1700, the positioning camera 1700 is arranged on the second mounting seat 1600, and the positioning camera 1700 comprises a shooting end 1701 pointing to the z-axis direction.

[0114] Further, in order to judge the processing quality after laser processing, the laser processing mechanism further comprises a code scanning mechanism 1800, the code scanning mechanism 1800 is arranged on the second mounting seat 1600, and the code scanning mechanism 1800 comprises a code scanning end 1801 pointing to the working position of the laser processing head 1200, the code scanning mechanism 1800 can be rotatably arranged around the y-axis, so as to adapt to different focal length working environments.

[0115] The code scanning mechanism 1800 can be a code scanning gun, which can directly scan the information code processed by the laser processing head 1200 after processing, judge the processing quality based on the scanning result, and send an alarm information when the scanning fails.

[0116] Specifically, please refer to Figure 10 , Figure 10 is Figure 9 the local enlarged view of B in FIG. 16. As Figure 10In the embodiment, the code scanning mechanism 1800 is installed on the second mounting seat 1600 through an adjusting plate 1802, wherein a plurality of annular waist holes 1803 are arranged on the adjusting plate 1802, and the code scanning mechanism 1800 is fixed through bolts (not shown in the figure) penetrating through the waist holes 1803, so that the code scanning mechanism 1800 can be controlled to rotate around the y-axis within the range of the waist holes 1803 and be fixed.

[0117] Please continue to refer to Figure 9 In order to avoid that dust is left on the first laser output end 1201 of the laser processing head 1200 in the laser processing process, affecting the laser processing effect, the laser processing mechanism in the embodiment further comprises a blowing mechanism 1900, the blowing mechanism 1900 comprises a blowing head 1901 arranged on the second mounting seat 1600 and a blowing driving element (not shown in the figure) connected with the blowing head 1901, and the blowing head 1901 comprises a blowing working end for blowing the first laser output end 1201. In the embodiment, the blowing head 1901 is a foldable bamboo joint nozzle, which can be folded to a position pointing to the first laser output end 1201 in actual use, thereby ensuring the blowing effect.

[0118] Further, as shown in Figure 9 In order to avoid that dust is left on the first laser output end 1201 of the laser processing head 1200 in the laser processing process, the laser processing mechanism in the embodiment further comprises a dust collecting mechanism 2000, the dust collecting mechanism 2000 comprises a dust collecting pipe 2001 arranged on the second mounting seat 1600 and a dust collecting driving element (not shown in the figure) connected with the dust collecting pipe 2001, and the dust collecting pipe 2001 comprises a dust collecting port 2002 pointing to the surface of the first laser output end 1201.

[0119] It can be understood that the blowing mechanism 1900 and the dust collecting mechanism 2000 can effectively avoid that dust is left on the first laser output end 1201 of the laser processing head 1200, thereby ensuring the processing quality.

[0120] Based on the laser coding equipment of the above-mentioned embodiments, on the one hand, the conveying structure of the workpiece to be coded is optimized, and the workpiece to be coded is supported and fixed by the supporting platform during laser operation, thereby effectively ensuring the fixing stability of the workpiece to be coded, and on the other hand, the laser processing head 1200 can be adjusted in position based on the actual position and model of the workpiece to be coded, and the workpiece end and the laser equipment end are optimized, thereby significantly improving the laser processing precision in cooperation.

[0121] The application also provides a laser coding method using the above-mentioned laser coding equipment, please refer to Figure 11 , Figure 11 is a flowchart of an embodiment of the laser coding method of the application.

[0122] AsFigure 11 The method comprises the following steps of:

[0123] S100, adjusting the z-axis position of the laser processing head based on the model of the workpiece to be coded.

[0124] The focal length of laser processing is different for different models of workpieces to be coded, so the z-axis position of the laser processing head can be adjusted based on the actual focal length requirement.

[0125] S200, control the lifting of the guide mechanism to switch the guide wheel to the extended posture.

[0126] S300, conveying the workpiece to be coded to the guide mechanism through the conveying mechanism.

[0127] Specifically, please refer to Figure 12 , Figure 12 is Figure 11 the flowchart of an embodiment corresponding to S300 in Figure 12 As shown, the step of conveying the workpiece to be coded to the guide mechanism specifically comprises:

[0128] S301, control the positioning column to descend below the conveying surface of the conveying mechanism, the blocking block to ascend above the conveying surface of the conveying mechanism, and the regularizing column to extend along the y-axis direction;

[0129] S302, the workpiece to be coded is conveyed through the conveying mechanism, and the y-axis position of the workpiece to be coded is adjusted by the regularizing column during the conveying process until the workpiece to be coded is blocked by the blocking block;

[0130] S303, control the positioning column to ascend above the conveying surface of the conveying mechanism and then move along the x-axis direction to limit the workpiece to be coded in cooperation with the blocking block.

[0131] Based on the above scheme, on the one hand, the y-axis position of the workpiece to be coded is adjusted by the regularizing column, and on the other hand, the x-axis position of the workpiece to be coded is adjusted by the cooperation of the positioning column and the blocking block, which significantly improves the position accuracy of the workpiece to be coded.

[0132] S400, control the guide mechanism to descend to switch the guide wheel to the retracted posture, and the workpiece to be coded is supported by the bearing surface.

[0133] Before starting coding, the workpiece to be coded is supported by the support platform, and at the same time, the vacuum generating mechanism can be started to adsorb and fix the workpiece to be coded on the support platform.

[0134] S500, acquire the edge image of the workpiece to be coded collected by the positioning camera, and adjust the x-axis position of the laser processing head based on the edge image.

[0135] Specifically, the edge image is identified based on an existing image recognition algorithm, the edge position of the workpiece to be coded is obtained, compared with the preset position, the x-axis position adjustment amount of the laser processing head is obtained, and the x-axis position of the laser processing head is adjusted accordingly to ensure the processing precision.

[0136] S600, control the laser generating mechanism, the blowing mechanism and the dust collecting mechanism to start working to perform the coding operation.

[0137] S700, after the coding is completed, control the code scanning mechanism to perform the code scanning operation, and judge whether the code scanning result is accurate.

[0138] If yes, then:

[0139] S800, control the guiding mechanism to lift, and transmit the coded workpiece out of the guiding mechanism through the conveying mechanism.

[0140] Based on the above laser coding method, on the one hand, the workpiece to be coded can be fixed during operation to ensure the position precision, and on the other hand, the position of the laser processing head can be adjusted based on the actual position of the workpiece, thereby significantly improving the processing precision.

[0141] It is apparent for those skilled in the art that the present disclosure is not limited to the details of the above exemplary embodiments, and the present disclosure can be implemented in other specific forms without departing from the spirit or essential characteristics of the present disclosure. Therefore, the embodiments should be considered as exemplary and non-limiting, and the scope of the present disclosure is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be included in the present disclosure. Any reference signs in the claims should not be considered as limiting the involved claims.

[0142] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A laser coding apparatus, characterized in that, The laser coding device comprises: a support platform comprising a bearing surface and a back surface, a first through hole being arranged on the support platform and penetrating through the bearing surface and the back surface, and a machining gap region for laser passing being arranged on the support platform; a conveying mechanism arranged on one side or both sides of the support platform in the x-axis direction, the conveying mechanism being used for conveying workpieces into or out of above the bearing surface; a guide mechanism comprising a guide wheel penetrating through the first through hole from the back surface, the guide mechanism being arranged in a liftable manner so that the guide wheel comprises an extended posture extending out of the bearing surface and a retracted posture retracted into the first through hole, and the guide mechanism is used for transferring workpieces between the bearing surface and the conveying mechanism; a laser machining head arranged below the support platform, the laser machining head being used for emitting laser to the machining gap region, and the laser machining head being arranged in a movable manner along the x-axis direction and the z-axis direction; a laser generating mechanism arranged below the support platform; a laser transmission mechanism used for transmitting laser output by the laser generating mechanism to the laser machining head; a positioning camera arranged beside the laser machining head, the positioning camera comprising a shooting end pointing to the machining gap region.

2. The laser coding apparatus of claim 1, wherein, Further comprising: a mounting rack surrounding the support platform, the mounting rack being arranged in a liftable manner; wherein the conveying mechanism and the guide mechanism are arranged on the mounting rack, and the top end of the guide wheel is in the same plane as the conveying surface of the conveying mechanism.

3. The laser coding apparatus of claim 2, wherein, Further comprising a fixed carrier arranged on the conveying mechanism, and the top surface of the fixed carrier is in the same plane as the bearing surface; wherein the conveying mechanism comprises a plurality of conveying wheels, the fixed carrier is arranged with an avoiding hole avoiding the conveying wheels, and the conveying wheels comprise an extended posture extending out of the top surface of the fixed carrier and a retracted posture retracted into the avoiding hole.

4. The laser coding apparatus of claim 1, wherein, The bearing surface is arranged with a groove, and the support platform is further arranged with a second through hole penetrating through the back surface and the groove; The laser coding device further comprises a vacuum generating mechanism, and a vacuum output end of the vacuum generating mechanism is arranged in communication with one end of the second through hole on the back surface to form adsorption negative pressure in the groove.

5. The laser coding apparatus of claim 1, wherein, Further comprising: a shaping mechanism arranged on both sides of the conveying mechanism, the shaping mechanism comprising a first telescopic end telescopically extending along the y-axis direction and a rotatable shaping column arranged on the first telescopic end; a to-position blocking mechanism arranged on one side of the discharge end of the support seat, the to-position blocking mechanism comprising a second telescopic end telescopically extending along the z-axis direction and a blocking block arranged on the second telescopic end; a feeding positioning mechanism arranged on one side of the feeding end of the conveying mechanism, the feeding positioning mechanism comprising a third telescopic end telescopically extending along the x-axis direction and the z-axis direction and a rotatable positioning column arranged on the third telescopic end.

6. The laser coding device of claim 1, wherein, Further comprising: a first mounting seat arranged in a movable manner along the x-axis direction; a second mounting seat arranged on the first mounting seat, the second mounting seat being arranged in a movable manner along the z-axis direction; The laser processing head is arranged on the second mounting seat, and the laser processing head comprises a first laser output end pointing to the z-axis direction and a first laser input end pointing to the x-axis direction; The laser transmission mechanism comprises a first reflecting mirror arranged on the second mounting seat and a second reflecting mirror arranged on the first mounting seat; The first reflecting mirror comprises a second laser output end corresponding to the first laser input end and a second laser input end pointing to the z-axis direction; The second reflecting mirror comprises a third laser output end corresponding to the second laser input end and a third laser input end pointing to the x-axis direction; The laser generation mechanism is arranged on one side of the third laser input end of the second reflecting mirror and is used for outputting laser to the third laser input end.

7. The laser coding device of claim 1, wherein, Further comprising: A blowing mechanism arranged beside the laser processing head, the blowing mechanism comprising a blowing operation end pointing to one end of the laser processing head from which laser is emitted; A code scanning mechanism arranged beside the laser processing head, the code scanning mechanism comprising a code scanning end pointing to the processing gap area; A dust collecting mechanism arranged beside the laser processing head, the dust collecting mechanism comprising a dust collecting port pointing to one end of the laser processing head from which laser is emitted.

8. A method of laser coding, characterized in that, The laser coding method comprises: Adjusting the z-axis position of the laser processing head based on the model of the workpiece to be coded; Controlling the lifting of the guide mechanism to switch the guide wheel to the extended posture; Transferring the workpiece to be coded to the guide mechanism through the conveying mechanism; Controlling the lowering of the guide mechanism to switch the guide wheel to the retracted posture, and supporting the workpiece to be coded by the bearing surface; Obtaining the edge image of the workpiece to be coded collected by the positioning camera, and adjusting the x-axis position of the laser processing head based on the edge image; Controlling the laser generation mechanism to start working to perform the coding operation; After the coding is completed, controlling the lifting of the guide mechanism to transfer the coded workpiece out of the guide mechanism through the conveying mechanism.

9. The method of claim 8, wherein, The laser coding device further comprises: A shaping mechanism arranged on both sides of the conveying mechanism, the shaping mechanism comprising a first telescopic end telescopable along the y-axis direction and a rotatable shaping column arranged on the first telescopic end; A position reaching blocking mechanism arranged on one side of the discharge end of the support seat, the position reaching blocking mechanism comprising a second telescopic end telescopable along the z-axis direction and a blocking block arranged on the second telescopic end; An inlet positioning mechanism arranged on one side of the inlet end of the conveying mechanism, the inlet positioning mechanism comprising a third telescopic end telescopable along the x-axis direction and the z-axis direction and a rotatable positioning column arranged on the third telescopic end; The step of transferring the workpiece to be coded to the guide mechanism through the conveying mechanism comprises: Controlling the positioning column to descend below the conveying surface of the conveying mechanism, the blocking block to ascend above the conveying surface of the conveying mechanism, and the shaping column to extend along the y-axis direction; Transferring the workpiece to be coded through the conveying mechanism and adjusting the y-axis position of the workpiece to be coded by the shaping column during the conveying process until the workpiece to be coded is blocked by the blocking block; After the positioning column is lifted above the conveying surface of the conveying mechanism, the positioning column is moved along the x-axis direction to limit the workpiece to be coded in cooperation with the blocking block.

10. The method of claim 8, wherein, The laser coding device further comprises: A blowing mechanism arranged beside the laser processing head, the blowing mechanism comprising a blowing end pointing to one end of the laser processing head from which laser light exits; A code scanning mechanism arranged beside the laser processing head, the code scanning mechanism comprising a code scanning end pointing to the processing gap area; A dust collecting mechanism arranged beside the laser processing head, the dust collecting mechanism comprising a dust collecting port pointing to one end of the laser processing head from which laser light exits; Synchronized with the step of controlling the laser generating mechanism to start working, the method further comprises: Controlling the blowing mechanism and the dust collecting mechanism to start working; The laser coding method further comprises: After coding is completed, the code scanning mechanism is controlled to perform code scanning operation to determine whether the code scanning result is accurate; If not, an alarm information is sent.

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