An automatic laser marking device for glass

Abstract

This invention discloses an automatic laser marking device for glass. The device includes a base frame, a laser, a lifting and transport mechanism, a first positioning component, a second positioning component, and a controller. The base frame has a support platform. The first positioning component includes a first baffle and a second baffle, which can push the glass in a left-right direction until the microswitches on the first and second baffles contact the glass. The second positioning component includes a third baffle and a fourth baffle, which can move in opposite directions in a front-back direction and push the glass until the microswitches on the third and fourth baffles contact the glass. This invention enables precise laser marking of glass of different sizes, exhibiting high compatibility and a wide range of applications.

Description

Technical Field

[0001] This invention relates to the field of glass manufacturing technology, and in particular to an automatic laser marking device for glass. Background Technology

[0002] Currently, to meet diverse product and space requirements, glass sizes vary. Furthermore, different brands require different trademarks to be screen-printed on the glass. Current laser marking equipment typically only positions and marks fixed-size glass, making it difficult to meet the needs of customized products. For customized products of different sizes, manual operation is required, resulting in low production efficiency and inconsistent product quality. Errors in trademark placement, misprinting, or omissions in the marking process can lead to defective products being sold. Summary of the Invention

[0003] The present invention aims to at least partially solve one of the aforementioned technical problems in related technologies. To this end, the present invention proposes an automatic laser marking device for glass.

[0004] To achieve the above objectives, the technical solution of the present invention is as follows:

[0005] An automatic laser marking device for glass according to an embodiment of the present invention includes:

[0006] A base frame, on which a support platform for supporting the glass is provided;

[0007] A laser is positioned above the supporting platform;

[0008] The lifting and transporting mechanism is used to transport glass to the carrying platform and to lift the glass on the carrying platform upwards and then output it outwards.

[0009] The first positioning component includes a first driving mechanism and a first baffle and a second baffle respectively disposed on the left and right sides of the bearing platform. Each of the first baffle and the second baffle is provided with a micro switch. Under the drive of the first driving mechanism, the first baffle and / or the second baffle can push the glass in the left and right direction until the micro switches on the first baffle and the second baffle contact the glass. The relative distance between the laser and the first baffle in the left and right direction remains unchanged, or the relative distance between the laser and the second baffle in the left and right direction remains unchanged.

[0010] The second positioning component includes a second driving mechanism and a third baffle and a fourth baffle respectively disposed at the front and rear ends of the bearing platform. Each of the third baffle and the fourth baffle is provided with a micro switch. Under the drive of the second driving mechanism, the third baffle and the fourth baffle can move towards each other in the front-back direction and push the glass until the micro switches on the third baffle and the fourth baffle contact the glass. In the front-back direction, the distance from the third baffle to the laser is equal to the distance from the fourth baffle to the laser.

[0011] The controller is electrically connected to the first drive mechanism, the second drive mechanism, and all micro switches. The controller is configured to: control the second drive mechanism to stop after receiving a signal that the micro switches of the third baffle and the fourth baffle are simultaneously triggered; and control the first drive mechanism to stop after receiving a signal that the micro switches of the first baffle and the second baffle are simultaneously triggered.

[0012] The automatic laser marking equipment for glass according to embodiments of the present invention has at least the following beneficial effects:

[0013] This invention enables precise laser marking of glass of different sizes. When the equipment is in standby mode, the third and fourth baffles are at their maximum open position (away from the center of the carrying platform), providing space for glass loading. The lifting and transporting mechanism transports the glass from the front conveyor line to the carrying platform. At this time, the glass is positioned between the third and fourth baffles. The second drive mechanism drives the third and fourth baffles to move towards each other, synchronously and symmetrically approaching each other until the microswitches on the two baffles respectively contact the front and rear edges of the glass. The second drive mechanism then stops. Because the movement distance of the two baffles is symmetrical, and the laser is located at the center of the two baffles, the center of the glass in the front-to-back direction is directly opposite the laser, achieving centered positioning in the front-to-back direction. Then, the first drive mechanism drives the first baffle and / or the second baffle to move. When the microswitches on both the first and second baffles contact the glass, the first drive mechanism stops. At this point, the glass has completed its positioning in the left-to-right direction. The laser marks the positioned glass. After the laser marking is completed, the lifting and transporting mechanism lifts the glass from the carrying platform upwards and outputs it to the rear conveyor line. Because the distance between the laser and the first baffle (or the second baffle) in the left-right direction is fixed, the distance from the screen-printed trademark to the left edge (or right edge) of the glass is the same regardless of the size of the glass. Furthermore, the trademark is located at the center of the glass in the front-back direction. Different sizes of glass can be accurately positioned, resulting in high compatibility and a wide range of applications.

[0014] According to some embodiments of the present invention, the system further includes a gantry frame and a first lifting mechanism. The gantry frame is erected above the bearing platform in a left-right direction. The first driving mechanism is mounted on the gantry frame. The first lifting mechanism is connected to the first driving mechanism. The first baffle and the laser are mounted on the first lifting mechanism. The second baffle is fixed to the bearing platform.

[0015] According to some embodiments of the present invention, a second lifting mechanism is further included, which is mounted on the gantry. There are two lasers: a first laser is mounted on the first lifting mechanism and is fixed relative to the first baffle; a second laser is mounted on the second lifting mechanism and is fixed in the left-right direction with respect to the second baffle.

[0016] According to some embodiments of the present invention, the bearing platform is composed of a plurality of bearing rods, which are spaced apart on the same horizontal plane. The length direction of the bearing rods is arranged along the front-to-back direction. The lifting and transporting mechanism includes a plurality of conveyor belts and a third lifting mechanism for driving the conveyor belts to move up and down. The conveyor belts are parallel to the bearing rods and are arranged alternately with the bearing rods in the left-to-right direction. When the conveyor belts move upward, they can lift the glass so that it is detached from the bearing rods. When the conveyor belts move downward, they can place the glass on the bearing rods.

[0017] According to some embodiments of the present invention, the support rod is provided with a plurality of omnidirectional bullseye wheels.

[0018] According to some embodiments of the present invention, the second driving mechanism is a linear module, the linear module including a linear module body, a first moving slide and a second moving slide, the linear module body being arranged in the front-rear direction and fixed on the base frame, the linear module body being located below the bearing rod, the first moving slide and the second moving slide being located at the front end and rear end of the linear module body respectively, the linear module body being able to drive the first moving slide and the second moving slide to move towards each other, the third baffle being connected to the first moving slide, and the fourth baffle being connected to the second moving slide.

[0019] According to some embodiments of the present invention, the lifting and transporting mechanism further includes a connecting bracket, and several conveyor belts are connected into a whole through the connecting bracket. The third lifting mechanism connects the connecting bracket and the base frame.

[0020] According to some embodiments of the present invention, rollers are provided on both the left and right sides of the third baffle and the left and right sides of the fourth baffle. When the microswitches on the third baffle and the fourth baffle come into contact with the glass, the rollers also roll into contact with the glass.

[0021] According to some embodiments of the present invention, the system further includes a first conveyor line, a second conveyor line, and a centering mechanism. The first conveyor line is located in front of the carrying platform, the second conveyor line is located behind the carrying platform, the scanning mechanism is located above the first conveyor line, and the centering mechanism includes two push rods, which are respectively located on the left and right sides of the second conveyor line. The push rods can push the glass in the left-right direction to center the glass.

[0022] According to some embodiments of the present invention, a pre-tempering buffer station is also included, which is located behind the second conveyor line.

[0023] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0024] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0025] Figure 1 This is a schematic diagram of the overall structure of the automatic laser marking equipment for glass of the present invention;

[0026] Figure 2 This is an assembly drawing of the gantry frame and the load-bearing platform of the present invention;

[0027] Figure 3 This is a top view of the gantry and support platform of the present invention;

[0028] Figure 4 This is a schematic diagram of the gantry frame structure of the present invention;

[0029] Figure 5 This is a partial structural diagram of the second positioning component of the present invention;

[0030] Figure 6 This is an assembly drawing of the base frame and lifting and transporting mechanism of the present invention.

[0031] Reference numerals: base frame 100, bearing platform 110, bearing rod 111, universal bullseye wheel 112, laser 200, barcode scanning mechanism 300, lifting and transporting mechanism 400, conveyor belt 410, third lifting mechanism 420, connecting bracket 430, first baffle 510, first drive mechanism 511, second baffle 520, micro switch 600, third baffle 710, fourth baffle 720, linear module body 731, first mover slide 732, second mover slide 733, roller 740, gantry frame 800, first lifting mechanism 900, second lifting mechanism 1000, push rod 1100, storage platform 1200, tempered pre-buffer platform 1300, first conveyor line 1400, second conveyor line 1500. Detailed Implementation

[0032] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0033] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0034] Reference Figure 1-6 An automatic laser marking device for glass, comprising:

[0035] The base frame 100 is made of square tubing and is equipped with a support platform 110 for supporting the glass.

[0036] Laser 200 is positioned above the support platform 110;

[0037] The lifting and transporting mechanism 400 is used to transport glass to the carrying platform 110 and to lift the glass on the carrying platform 110 upwards and then output it outwards.

[0038] The first positioning component includes a first driving mechanism 511 and a first baffle 510 and a second baffle 520 respectively disposed on the left and right sides of the support platform 110. Each of the first baffle 510 and the second baffle 520 is equipped with a micro switch 600. Driven by the first driving mechanism 511, the first baffle 510 and / or the second baffle 520 can push the glass in the left-right direction until the micro switches 600 on both the first baffle 510 and the second baffle 520 contact the glass. The relative distance between the laser 200 and the first baffle 510 in the left-right direction remains unchanged, or the relative distance between the laser 200 and the second baffle 520 in the left-right direction remains unchanged. Specifically, The positional relationship between the first baffle 510 (second baffle 520) and the laser 200 includes, but is not limited to, the following: (1) The first baffle 510 (second baffle 520) and the laser 200 are fixedly installed relative to each other and driven by the first driving mechanism 511; (2) The first baffle 510 (second baffle 520) and the laser 200 can be driven synchronously by the first driving mechanism 511, and the laser 200 can move up and down independently; (3) The first baffle 510 (second baffle 520) is fixedly installed on the base frame 100, the second baffle 520 (first baffle 510) moves in the left and right direction, and the laser 200 can only move up and down and cannot move left and right. The relative distance between the laser 200 and the first baffle 510 or the second baffle 520 in the left and right direction remains unchanged, ensuring that the distance between the trademark position printed on glass of different sizes and one side of the glass is the same.

[0039] The second positioning component includes a second driving mechanism and a third baffle 710 and a fourth baffle 720 respectively located at the front and rear ends of the support platform 110. Both the third baffle 710 and the fourth baffle 720 are equipped with micro switches 600. Driven by the second driving mechanism, the third baffle 710 and the fourth baffle 720 can move towards each other in the front-back direction and push the glass until the micro switches 600 on the third baffle 710 and the fourth baffle 720 contact the glass. In the front-back direction, the distance from the third baffle 710 to the laser 200 is equal to the distance from the fourth baffle 720 to the laser 200.

[0040] The controller is electrically connected to the first drive mechanism 511, the second drive mechanism, and all micro switches 600. The controller is configured to: control the second drive mechanism to stop when it receives a signal that the micro switches 600 of the third baffle 710 and the fourth baffle 720 are triggered simultaneously; and control the first drive mechanism 511 to stop when it receives a signal that the micro switches 600 of the first baffle 510 and the second baffle 520 are triggered simultaneously.

[0041] Working principle: When the equipment is in standby mode, the third baffle 710 and the fourth baffle 720 are in their maximum open position (away from the center of the carrying platform 110), leaving space for glass loading. The lifting and transporting mechanism 400 transports the glass from the front conveyor line to the carrying platform 110. At this time, the glass is located between the third baffle 710 and the fourth baffle 720. The second drive mechanism drives the third baffle 710 and the fourth baffle 720 to move towards each other, and the two baffles synchronously and symmetrically approach each other until the microswitches 600 on the two baffles respectively contact the front and rear edges of the glass. The second drive mechanism stops running. At this time, because the two baffles have moved symmetrically, the laser 200... Located at the center of the two baffles, the center of the glass in the front-to-back direction is aligned with the laser 200, achieving centering in the front-to-back direction. Then, the first drive mechanism 511 drives the first baffle 510 and / or the second baffle 520 to move. When the microswitches 600 on the first baffle 510 and the second baffle 520 both contact the glass, the first drive mechanism 511 stops operating. At this time, the glass completes the positioning work in the left-to-right direction. The laser 200 performs laser marking on the positioned glass. After the glass laser marking is completed, the lifting and transporting mechanism 400 lifts the glass on the carrying platform 110 upwards and outputs it to the rear conveyor line. In this invention, the starting order of the first drive mechanism and the second drive mechanism is not limited. The second drive mechanism can be started first for centering in the front-to-back direction, and then the first drive mechanism can be started for positioning in the left-to-right direction, or the first drive mechanism can be started first and then the second drive mechanism can be started.

[0042] In some embodiments of the present invention, a gantry frame 800 and a first lifting mechanism 900 are also included. The gantry frame 800 is erected above the support platform 110 in a left-right direction. A first drive mechanism 511 is mounted on the gantry frame 800, and the first lifting mechanism 900 is connected to the first drive mechanism 511. A first baffle 510 and a laser 200 are mounted on the first lifting mechanism 900, and a second baffle 520 is fixed to the support platform 110. The first drive mechanism 511 is a lead screw mechanism, with the lead screw arranged in a left-right direction. The first lifting mechanism 900 is mounted on the nut of the lead screw mechanism. The movement of the nut along the lead screw can drive the first lifting mechanism 900 to move left and right, thereby driving the first baffle 510 to move left and right. The gantry frame 800 is made of welded square tubing, and the height of the laser 200 can be adjusted using the first lifting mechanism 900 according to the different glass thicknesses, facilitating marking on the glass. On the first lifting mechanism 900, the first baffle 510 and the laser 200 are fixed in relative positions, so that trademarks of different sizes can be printed in the same position (i.e., the distance between the trademark and the side of the glass is the same). In this embodiment, a single-sided baffle pushes the glass, the second baffle 520 is fixed, and the first baffle 510 moves towards the second baffle 520 to position the glass against the edge.

[0043] In some embodiments of the present invention, a second lifting mechanism 1000 is also included. The second lifting mechanism 1000 is mounted on the gantry frame 800. There are two lasers 200. The first laser 200 is mounted on the first lifting mechanism 900 and is fixed relative to the first baffle 510. The second laser 200 is mounted on the second lifting mechanism 1000, and the distance between the second laser 200 and the second baffle 520 in the left-right direction is fixed. When both ends of the glass need to be screen-printed with trademarks, two lasers 200 are set. The first laser 200 is close to the first baffle 510, and the second laser 200 is close to the second baffle 520, so that both ends of the glass can be laser-marked simultaneously.

[0044] In some embodiments of the present invention, the supporting platform 110 is composed of a plurality of supporting rods 111, which are spaced apart on the same horizontal plane. The length direction of the supporting rods 111 is arranged along the front-to-back direction. The lifting and transporting mechanism 400 includes a plurality of conveyor belts 410 and a third lifting mechanism 420 for driving the conveyor belts 410 to move up and down. The conveyor belts 410 are parallel to the supporting rods 111 and are arranged alternately with the supporting rods 111 in the left-to-right direction. When the conveyor belts 410 move upward, they can lift the glass and detach it from the supporting rods 111. When the conveyor belts 410 move downward, they can place the glass on the supporting rods 111. The third baffle 710 and the fourth baffle 720 are located between two adjacent supporting rods 111, and the tops of the third baffle 710 and the fourth baffle 720 are higher than the supporting rods 111. The third lifting mechanism 420 is a cylinder. The third lifting mechanism 420 drives the conveyor belts 410 to descend, so that the glass is lowered onto the supporting rods 111 for positioning. The support rods 111 are spaced apart, and the third baffle 710 and the fourth baffle 720 move in the space between the two support rods 111 to ensure that the support rods 111 do not obstruct the positioning assembly from pushing and positioning the glass. The conveyor belt 410 and the support rods 111 are arranged alternately in the left-right direction to increase the contact range between the glass and the conveyor belt 410, ensure that all parts of the glass are evenly stressed, and improve the stability of glass transportation. When the third lifting mechanism 420 lifts, the surface of the conveyor belt 410 will be higher than the top of the third baffle 710 and the fourth baffle 720 to prevent the third baffle 710 and the fourth baffle 720 from obstructing the glass transportation.

[0045] In some embodiments of the present invention, the support rod 111 is provided with a plurality of omnidirectional bullseye wheels 112. The omnidirectional bullseye wheels 112 can rotate freely in all directions. When the glass is pushed on the support rod 111 by the positioning component, the omnidirectional bullseye wheels 112 can reduce the friction between the glass and the support rod 111, making the glass easier to move and helping to improve the accuracy and efficiency of positioning. Compared to the glass directly contacting the surface of the support rod 111, the contact area between the omnidirectional bullseye wheels 112 and the glass is smaller, and rolling friction replaces sliding friction, further reducing wear on the glass surface and effectively protecting the glass surface from scratches. This is particularly suitable for glass with high surface quality requirements.

[0046] In some embodiments of the present invention, the second driving mechanism is a linear module, which includes a linear module body 731, a first moving slide 732, and a second moving slide 733. The linear module body 731 is arranged along the front-rear direction and fixed on the base frame 100. The linear module body 731 is located below the support rod 111. The first moving slide 732 and the second moving slide 733 are located at the front end and rear end of the linear module body 731, respectively. The linear module body 731 can drive the first moving slide 732 and the second moving slide 733 to move towards each other. A third baffle 710 is connected to the first moving slide 732, and a fourth baffle 720 is connected to the second moving slide 733. The linear module body 731 is arranged along the front-to-back direction, which can provide a smooth linear motion trajectory for the first moving slide 732 and the second moving slide 733. This makes the third baffle 710 and the fourth baffle 720 move smoothly when pushing the glass, without shaking or jamming, thus avoiding the glass position shifting due to unstable movement.

[0047] In some embodiments of the present invention, the lifting and transporting mechanism 400 further includes a connecting bracket 430, through which several conveyor belts 410 are connected into a whole. A third lifting mechanism 420 connects the connecting bracket 430 and the base frame 100. The connecting bracket 430 is made of welded square tubing. The connecting bracket 430 connects several conveyor belts 410 into a whole, so that the dispersed conveyor belts 410 form a unified conveying platform. This design ensures that all conveyor belts 410 remain synchronized during lifting and lowering movements, avoiding glass tilting, shifting, or jamming caused by the independent movement of the conveyor belts 410.

[0048] In some embodiments of the present invention, rollers 740 are provided on both the left and right sides of the third baffle 710 and the left and right sides of the fourth baffle 720. When the microswitches 600 on the third baffle 710 and the fourth baffle 720 contact the glass, the rollers 740 also roll into contact with the glass. Since the device first performs front-to-back centering and then left-to-right positioning, the edge of the glass will rub against the third baffle 710 and the fourth baffle 720 when it moves in the left and right direction. By adding rollers 740 on the left and right sides of the third baffle 710 and the fourth baffle 720, the rollers 740 make point contact with the edge of the glass, changing the sliding friction to rolling friction, reducing the resistance to the movement of the glass, and avoiding scratches caused by friction.

[0049] In some embodiments of the present invention, a first conveyor line 1400, a second conveyor line 1500, and a centering mechanism are also included. The first conveyor line 1400 is located in front of the support platform 110, and the second conveyor line 1500 is located behind the support platform 110. The centering mechanism includes two push rods 1100, which are respectively located on the left and right sides of the second conveyor line 1500. The push rods 1100 can push the glass in the left-right direction to center the glass. The first conveyor line 1400, as the "upstream" transmission unit of the support platform 110, is responsible for conveying the glass to be processed from the storage platform 1200 to the core processing area of ​​the equipment (support platform 110) to achieve continuous production. The second conveyor line 1500, as the "downstream" transmission unit of the support platform 110, receives the processed glass output by the lifting and transport mechanism 400.

[0050] In some embodiments of the present invention, a pre-tempering buffer stage 1300 is also included, which is located behind the second conveyor line 1500. The second conveyor line 1500 transports the processed glass to the pre-tempering buffer stage 1300. Before entering the pre-tempering buffer stage 1300, the glass can be centered in the left-right direction by a simple centering mechanism to facilitate its entry into the pre-tempering buffer stage 1300.

[0051] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An automatic laser marking device for glass, characterized in that, include: A base frame (100) is provided with a support platform (110) for supporting glass; A laser (200) is positioned above the support platform (110); The lifting and transport mechanism (400) is used to transport glass to the carrying platform (110) and to lift the glass on the carrying platform (110) upward and output it outward; The first positioning component includes a first driving mechanism (511) and a first baffle (510) and a second baffle (520) respectively disposed on the left and right sides of the bearing platform (110). The first baffle (510) and the second baffle (520) are each provided with a micro switch (600). Under the drive of the first driving mechanism (511), the first baffle (510) and / or the second baffle (520) can push the glass in the left and right direction until the micro switches (600) on the first baffle (510) and the second baffle (520) both contact the glass. The relative distance between the laser (200) and the first baffle (510) in the left and right direction remains unchanged, or the relative distance between the laser (200) and the second baffle (520) in the left and right direction remains unchanged. The second positioning component includes a second driving mechanism and a third baffle (710) and a fourth baffle (720) respectively disposed at the front and rear ends of the bearing platform (110). Both the third baffle (710) and the fourth baffle (720) are provided with micro switches (600). Under the drive of the second driving mechanism, the third baffle (710) and the fourth baffle (720) can move towards each other in the front-rear direction and push the glass until the micro switches (600) on the third baffle (710) and the fourth baffle (720) contact the glass. In the front-rear direction, the distance from the third baffle (710) to the laser (200) is equal to the distance from the fourth baffle (720) to the laser (200). The controller is electrically connected to the first drive mechanism (511), the second drive mechanism, and all micro switches (600). The controller is configured to: control the second drive mechanism to stop after receiving a signal that the micro switches (600) of the third baffle (710) and the fourth baffle (720) are triggered simultaneously; and control the first drive mechanism (511) to stop after receiving a signal that the micro switches (600) of the first baffle (510) and the second baffle (520) are triggered simultaneously.

2. The automatic laser marking equipment for glass according to claim 1, characterized in that, It also includes a gantry (800) and a first lifting mechanism (900). The gantry (800) is erected above the bearing platform (110) in the left-right direction. The first drive mechanism (511) is installed on the gantry (800). The first lifting mechanism (900) is connected to the first drive mechanism (511). The first baffle (510) and the laser (200) are installed on the first lifting mechanism (900). The second baffle (520) is fixed on the bearing platform (110).

3. The automatic laser marking equipment for glass according to claim 2, characterized in that, It also includes a second lifting mechanism (1000), which is installed on the gantry (800). There are two lasers (200). The first laser (200) is installed on the first lifting mechanism (900) and is fixed relative to the first baffle (510). The second laser (200) is installed on the second lifting mechanism (1000) and the distance between the second laser (200) and the second baffle (520) in the left-right direction is fixed.

4. The automatic laser marking equipment for glass according to claim 1, characterized in that, The carrying platform (110) is composed of several carrying rods (111), which are spaced apart on the same horizontal plane. The length direction of the carrying rods (111) is arranged along the front-to-back direction. The lifting and transporting mechanism (400) includes several conveyor belts (410) and a third lifting mechanism (420) for driving the conveyor belts (410) to move up and down. The conveyor belts (410) are parallel to the carrying rods (111), and the conveyor belts (410) and the carrying rods (111) are arranged alternately in the left-to-right direction. When the conveyor belts (410) move upward, they can lift the glass so that it is detached from the carrying rods (111). When the conveyor belts (410) move downward, they can place the glass on the carrying rods (111).

5. The automatic laser marking equipment for glass according to claim 4, characterized in that, The support rod (111) is provided with a number of universal bullseye wheels (112).

6. The automatic laser marking equipment for glass according to claim 4, characterized in that, The second driving mechanism is a linear module, which includes a linear module body (731), a first moving slide (732), and a second moving slide (733). The linear module body (731) is arranged along the front-rear direction and fixed on the base frame (100). The linear module body (731) is located below the bearing rod (111). The first moving slide (732) and the second moving slide (733) are located at the front end and rear end of the linear module body (731), respectively. The linear module body (731) can drive the first moving slide (732) and the second moving slide (733) to move towards each other. The third baffle (710) is connected to the first moving slide (732), and the fourth baffle (720) is connected to the second moving slide (733).

7. The automatic laser marking equipment for glass according to claim 4, characterized in that, The lifting and transporting mechanism (400) also includes a connecting bracket (430), and several conveyor belts (410) are connected into a whole through the connecting bracket (430). The third lifting mechanism (420) connects the connecting bracket (430) and the base frame (100).

8. The automatic laser marking equipment for glass according to claim 1, characterized in that, Rollers (740) are provided on both the left and right sides of the third baffle (710) and the left and right sides of the fourth baffle (720). When the micro switch (600) on the third baffle (710) and the fourth baffle (720) comes into contact with the glass, the rollers (740) also roll into contact with the glass.

9. The automatic laser marking equipment for glass according to claim 1, characterized in that, It also includes a first conveyor line (1400), a second conveyor line (1500), and a centering mechanism. The first conveyor line (1400) is located in front of the bearing platform (110), and the second conveyor line (1500) is located behind the bearing platform (110). The centering mechanism includes two push rods (1100), which are respectively located on the left and right sides of the second conveyor line (1500). The push rods (1100) can push the glass in the left and right direction to center the glass.

10. The automatic laser marking equipment for glass according to claim 9, characterized in that, It also includes a pre-tempering buffer (1300) located behind the second conveyor line (1500).

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