Laser cutting platform and laser cutting method

Abstract

The present invention discloses a laser cutting platform and a laser cutting method, comprising: a support frame, a cutting table fixedly mounted on the upper surface of the support frame, a lifting mechanism fixedly mounted on one end of the cutting table, a first linear module fixedly mounted on the upper surface of both the cutting table and the lifting mechanism, a connecting plate fixedly mounted on the upper surface of the movable block of the first linear module, a connecting rod rotatably mounted between the two sets of connecting plates, a second linear module fixedly mounted on the outer surface of the connecting rod, a first reduction motor fixedly mounted on one end of the connecting plate, the output shaft of the first reduction motor passes through the connecting plate and is fixedly connected to the connecting rod, a rotating groove is provided in the connecting rod, and a centering drag-and-drop mechanism is rotatably mounted in the rotating groove. Through the design of the lifting mechanism and the centering drag-and-drop mechanism, the present application significantly improves the accuracy, efficiency, and safety of laser cutting of metal plates by integrating automated handling, precise cutting, intelligent stacking, and real-time monitoring functions.

Description

Technical Field

[0001] The present invention relates to the field of laser cutting technology, in particular to a laser cutting platform and a laser cutting method. Background Art

[0002] A laser cutting platform is a basic structure used to support and position the workpiece, ensuring precision and stability during the laser cutting process. Typically, a laser cutting platform consists of a workbench, laser head, cutting system, and control system. Laser cutting utilizes a high-energy laser beam generated by a laser to cut materials. Common laser cutting methods include CO2 laser cutting, fiber laser cutting, and fiber laser cutting.

[0003] For example, the patent CN117182351B discloses a laser cutting platform and a laser cutting method. The platform comprises a base frame, a product positioning area, and two auxiliary areas, one on each side of the product positioning area. The two auxiliary areas are each located on either side of the product positioning area. The product positioning area is provided with a product positioning assembly for securing the product. The auxiliary area is provided with a mobile frame, on which a number of spaced copper bars are provided. The auxiliary area is also provided with a slide assembly and a linear drive assembly, the mobile frame being mounted on the slide assembly, the linear drive assembly being connected to the mobile frame, and a roller assembly that rolls with each copper bar. The copper bars are inserted into corresponding strip grooves in the product to prevent the cutting laser from penetrating the product's base plate. The auxiliary area is also provided with a liquid injection and scraping assembly for applying anti-splash liquid to the copper bars and removing laser cutting residue from the copper bars. This laser cutting platform improves cutting efficiency and is low-cost.

[0004] However, the aforementioned laser cutting platform and laser cutting method cannot automatically push the metal plate to the lower end of the laser cutter when cutting the metal plate. Workers are required to manually position the metal plate, which not only reduces production efficiency but also introduces positioning errors due to manual operation, affecting cutting accuracy.

[0005] Moreover, the cut plates cannot be stacked or unloaded after cutting. There is no automated plate stacking and unloading function, and manual intervention is also required for processing. This not only increases labor intensity, but also causes interruptions to the production line due to frequent manual processing, affecting the continuity and efficiency of the overall production process. Summary of the Invention

[0006] The purpose of the present invention is to provide a laser cutting platform and a laser cutting method to solve the problem raised in the above background technology that the metal plate cannot be automatically pushed to the lower end of the laser cutter when cutting the metal plate, nor can the cut plate be stacked and unloaded after cutting.

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] A laser cutting platform comprises: a support frame, a cutting table is fixedly mounted on the upper surface of the support frame, a lifting mechanism is fixedly mounted on one end of the cutting table, a first linear module is fixedly mounted on the upper surface of both the cutting table and the lifting mechanism, a connecting plate is fixedly mounted on the upper surface of a movable block of the first linear module, a connecting rod is rotatably mounted between two sets of the connecting plates, a second linear module is fixedly mounted on the outer surface of the connecting rod, an L-shaped plate is fixedly mounted on one end of the movable block of the second linear module, an electric push rod is fixedly mounted on one end of the L-shaped plate, and a laser cutter is fixedly mounted on the outer surface of a piston rod of the electric push rod;

[0009] A first reduction motor is fixedly mounted on one end of the connecting plate, and an output shaft of the first reduction motor passes through the connecting plate and is fixedly connected to a connecting rod. A rotation slot is provided in the connecting rod, and a centering dragging and dropping mechanism is rotatably mounted in the rotation slot.

[0010] Among them, the lifting mechanism can lift the metal plate to be cut to be flush with the cutting table, so that the centering drag and drop mechanism can be driven by the first reduction motor to perform a 90° flip operation on the connecting rod, so that the centering drag and drop mechanism is flush with the cutting table, and the centering drag and drop mechanism can be moved to the upper surface of the lifting mechanism through the first linear module to clamp and drag the metal plate onto the surface of the cutting table, and the centering drag and drop mechanism can push the metal plate to the center of the cutting table during the process of clamping the metal plate to assist in alignment with the laser cutter.

[0011] Preferably, a camera and a computer are fixedly mounted on one end of the support frame, the monitoring range of the camera covers the upper surface of the cutting table and the lifting mechanism, and the monitoring image can be transmitted to the computer;

[0012] The first linear module, the second linear module, the first reduction motor and the centering drag-and-drop mechanism are all controlled by a computer.

[0013] Preferably, the camera is integrated with the OpenCV vision library, and can use the Canny algorithm to detect brightness changes in the monitoring image, identify the edges of the target object to be cut, and the object to be cut can be moved to the same position on the cutting table each time by moving the centering drag and drop mechanism.

[0014] Preferably, the camera can use image processing algorithms to analyze and measure the marked graphics or contours, determine the position, size and shape of each part that needs to be cut, and then draw the boundary boxes (i.e., cutting boxes) of these parts that need to be cut in a virtual manner in the monitoring screen of the camera to indicate the cutting position and range of the laser cutter, and by enabling the computer to be linked with the first linear module and the second linear module, the cutting position and range information recognized by the camera's visual system can be transmitted to the computer, so that the computer controls the first linear module and the second linear module to control the laser cutter in real time to accurately cut the metal plate, and during the cutting process, the camera will continue to perform image recognition and analysis on the monitoring screen, adjust the position and size of the cutting box in time, and obtain real-time working status and cutting results from the laser cutter, so as to realize real-time control and feedback of the cutting process.

[0015] Preferably, the centered drag and drop mechanism includes a second reduction motor, which is fixedly mounted at one end of the connecting plate, a piston rod of the second reduction motor passes through the connecting plate and is located in the rotating groove, and a rotating rod is fixedly mounted at the end, the rotating rod is rotatably mounted in the rotating groove, and positive threads and negative threads are respectively provided at both ends of the outer surface of the rotating rod, and guide blocks are threadedly mounted on the outer surfaces of the positive threads and negative threads, so that the two groups of guide blocks can be synchronously driven by the positive threads and negative threads to slide toward the center in the rotating groove.

[0016] Preferably, a connecting arm is fixedly installed at one end of the guide block, and the connecting arm slides out of the rotating groove. A hydraulic rod is fixedly installed at one end of the connecting arm, and a push plate is fixedly installed at one end of the piston rod of the hydraulic rod. The push plate is slidably installed in the guide rail groove, and the guide rail groove is opened at one end of the connecting arm. An anti-slip splint is fixedly installed at one end of the push plate, and the anti-slip splint is located at the inner end of the connecting arm.

[0017] Preferably, the two groups of connecting arms are driven by the positive thread and the negative thread through the guide block to slide synchronously inward toward the center, so that the anti-slip splints can touch the two ends of the metal plate, and the anti-slip splints can lift the metal plate by pulling the piston rod through the hydraulic rod to stack multiple groups of cut metal plates.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. Through the design of the first linear module, the second linear module, the laser cutter, the cutting table, the first reduction motor, the lifting mechanism, the centering drag-and-drop mechanism, the computer and the camera, when cutting the metal plate, the worker can place the metal plate on the upper surface of the lifting mechanism, and the lifting mechanism is at a low position, so that the worker can place the metal plate with ease, and then start the lifting mechanism to lift the metal plate to be flush with the cutting table, so that the metal plate can be within the monitoring range of the camera, and then the camera can send the position information of the metal plate to the computer, and the computer will start the first reduction motor to drive the connecting rod to flip 90 degrees, and then the connecting rod can drive the centering drag-and-drop mechanism in the rotating groove to flip 90 degrees. Then the first linear module is started to drive the two sets of connecting plates to move to the top of the lifting mechanism, so that the centering drag and drop mechanism in the connecting rod of the connecting plate can be moved to the two ends of the metal plate. Then the centering drag and drop mechanism can be started to synchronously move toward the center in the rotating groove. The centering drag and drop mechanism that synchronously moves toward the center can push the tilted metal plate to a horizontal state and clamp it in the center of the lifting mechanism. Then the first linear module can be started again to move the metal plate clamped in the centering drag and drop mechanism to the upper surface of the cutting table and within the center monitoring range of the camera. Then the first reduction motor can be started again to rotate the laser cutter to be flush with the metal plate, and the camera can use the image processing algorithm to analyze and measure the marked graphics or contours. The position, size and shape of each part that needs to be cut are determined, and then the boundary boxes of these parts that need to be cut (i.e., cutting boxes) are virtually drawn in the monitoring screen of the camera to indicate the cutting position and range of the laser cutter. The computer is controlled in linkage with the first linear module and the second linear module, so that the cutting position and range information recognized by the visual system of the camera can be transmitted to the computer, so that the computer controls the first linear module and the second linear module to control the laser cutter to accurately cut the metal plate in real time. During the cutting process, the camera will continue to perform image recognition and analysis on the monitoring screen, adjust the position and size of the cutting box in time, and obtain real-time working status and cutting results from the laser cutter to achieve accurate control of the cutting process. Real-time control and feedback, and after the cutting is completed, the first reduction motor is started again to rotate the center drag and drop mechanism to be flush with the cutting table, so that the center drag and drop mechanism can place the cut metal plates on the center of the upper surface of the lifting mechanism. Each time a group of metal plates is placed on the upper surface of the lifting mechanism, the lifting mechanism will be lowered to a certain height, so that the center drag and drop mechanism can stack the cut metal plates on the upper surface of the lifting mechanism, and then the lifting mechanism can lower the stacked metal plates to facilitate the staff to transport them. After the cutting is completed, the center drag and drop mechanism automatically stacks the cut metal plates on the lifting mechanism, reducing manual intervention and improving production efficiency. The lifting mechanism automatically adjusts the height during the stacking process.Ensure the stability and safety of the stack.

[0020] 2. Through the design of the second reduction motor, rotating rod, positive thread, negative thread, guide block, hydraulic rod and anti-slip splint, when the metal plate is clamped and moved from the upper surface of the lifting mechanism to the upper surface of the cutting table, the first reduction motor can be started to drive the connecting rod to flip 90 degrees, and then the connecting rod can drive the guide block and the connecting arm in the rotating groove to flip 90 degrees, and then the first linear module can be started to drive the two sets of connecting plates to move to the top of the lifting mechanism, and then the two sets of connecting arms in the connecting plate connecting rod can be moved to the two ends of the metal plate, and then the second reduction motor can be started to drive the rotating rod to rotate in the rotating groove, and the rotating rod will drive the positive thread and negative thread on the outer surface to drive the two sets of guide blocks installed on the outer surface to move synchronously to the center, and then the two sets of guide blocks can drive the anti-slip splints slidably installed in the two sets of connecting arms to clamp on both sides of the metal plate, and then the first linear module can be started again to move the metal plate clamped in the anti-slip splint to the upper surface of the cutting table and Within the center monitoring range of the camera, the first reduction motor can be started again to rotate the laser cutter to be flush with the metal plate for the laser cutter to cut the metal plate. After the cutting is completed, the first reduction motor can be started again to rotate the connecting arm to be flush with the cutting table, so that the connecting arm can drive the anti-slip splints to clamp on both sides of the cut metal plate. Then, the cut metal plate can be placed on the upper surface of the lifting mechanism through the first linear module. The upper surface of the lifting mechanism will drop a certain height every time a group of metal plates are stacked. In the process of stacking the metal plates, the hydraulic rod can be started to pull the push plate at one end of the piston rod to rise, so that the push plate can drive the anti-slip splint to rise, thereby realizing the metal plate clamped by the anti-slip splint to be lifted to a certain height, which can avoid unnecessary friction or collision between the metal plates during the stacking process and cause the stacked metal plates to deflect, thereby ensuring the stability and safety of the stacking.

[0021] 3. Through the design of the dual-axis motor, lifting plate, first bevel gear, second bevel gear, threaded rod and fastening block, when the metal plate on the upper surface of the lifting plate needs to be lifted, the computer can control the dual-axis motor to drive the first bevel gears on both sides of the output shaft to rotate, and then the first bevel gear can drive the second bevel gear to rotate, and the second bevel gear will drive the threaded rod to rotate, and then the threaded rod can drive the outer surface fastening block to rise and fall, and then the fastening block can drive the lifting plate to rise and fall vertically, and then the lifting plate can drive the metal plate placed on the upper surface to rise and fall, so as to assist the staff in carrying the metal plate, which can reduce manual participation, reduce labor intensity and improve handling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1This is a schematic diagram of the overall structure of the laser cutting platform of the present invention;

[0023] Figure 2 It is a structural schematic diagram of the lifting mechanism of the present invention lifting a metal plate;

[0024] Figure 3 This is a structural schematic diagram of the central drag-and-drop mechanism of the present invention clamping the metal plate in the center;

[0025] Figure 4 This is a structural schematic diagram of the centering dragging and dropping mechanism of the present invention placing a metal plate onto the upper surface of the cutting table;

[0026] Figure 5 It is a structural schematic diagram of the centering drag-and-drop mechanism of the present invention;

[0027] Figure 6 It is a schematic structural diagram of the push plate and the anti-slip splint of the present invention;

[0028] Figure 7 It is a structural schematic diagram of the lifting mechanism of the present invention.

[0029] In the figure: 1. Support frame; 101. First linear module; 102. Connecting plate; 103. Connecting rod; 104. L-shaped plate; 105. Electric push rod; 106. Laser cutter; 107. Cutting table; 108. First reduction motor; 109. Second linear module; 110. Rotating groove; 2. Lifting mechanism; 201. U-shaped frame; 202. Dual-axis motor; 203. Lifting plate; 204. First bevel gear; 205. Second bevel gear; 206. Threaded rod; 207. Fastening block; 3. Computer; 4. Centering drag and drop mechanism; 401. Second reduction motor; 402. Rotating rod; 403. Reverse thread; 404. Normal thread; 405. Guide block; 406. Hydraulic rod; 407. Push plate; 408. Anti-slip splint; 409. Guide rail groove; 410. Connecting arm; 5. Camera. DETAILED DESCRIPTION

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] See also Figure 1-Figure 7 , this embodiment provides the following technical solutions:

[0032] like Figures 1-4As shown, a laser cutting platform includes: a support frame 1, a cutting table 107 is fixedly mounted on the upper surface of the support frame 1, a lifting mechanism 2 is fixedly mounted on one end of the cutting table 107, a first linear module 101 is fixedly mounted on the upper surface of the cutting table 107 and the lifting mechanism 2, a connecting plate 102 is fixedly mounted on the upper surface of the movable block of the first linear module 101, a connecting rod 103 is rotatably mounted between the two sets of connecting plates 102, a second linear module 109 is fixedly mounted on the outer surface of the connecting rod 103, an L-shaped plate 104 is fixedly mounted on one end of the movable block of the second linear module 109, an electric push rod 105 is fixedly mounted on one end of the L-shaped plate 104, and a laser cutter 106 is fixedly mounted on the outer surface of the piston rod of the electric push rod 105;

[0033] Among them, a first reduction motor 108 is fixedly installed at one end of the connecting plate 102, and the output shaft of the first reduction motor 108 passes through the connecting plate 102 and is fixedly connected to the connecting rod 103. A rotating groove 110 is opened in the connecting rod 103, and a centering dragging and dropping mechanism 4 is rotatably installed in the rotating groove 110;

[0034] Among them, the lifting mechanism 2 can lift the metal plate to be cut to be flush with the cutting table 107, so that the centering drag and drop mechanism 4 can be driven by the first reduction motor 108 to drive the connecting rod 103 to perform a 90° flip operation, so that the centering drag and drop mechanism 4 is flush with the cutting table 107, that is, the centering drag and drop mechanism 4 can be moved to the upper surface of the lifting mechanism 2 through the first linear module 101 to clamp and drag the metal plate onto the surface of the cutting table 107, and the centering drag and drop mechanism 4 can push the metal plate to the center of the cutting table 107 during the process of clamping the metal plate to assist in alignment with the laser cutter 106.

[0035] A camera 5 and a computer 3 are fixedly mounted on one end of the support frame 1. The monitoring range of the camera 5 covers the upper surface of the cutting table 107 and the lifting mechanism 2, and can transmit the monitoring image to the computer 3;

[0036] The first linear module 101 , the second linear module 109 , the first reduction motor 108 and the centering drag-and-drop mechanism 4 are all controlled by the computer 3 .

[0037] The camera 5 is integrated with the OpenCV vision library and uses the Canny algorithm to detect brightness changes in the monitoring image, identify the edges of the target object to be cut, and move the cut object to the same position on the cutting table 107 each time by moving the centering drag and drop mechanism 4.

[0038] The camera 5 can use image processing algorithms to analyze and measure the marked graphics or contours, determine the position, size and shape of each part that needs to be cut, and then draw the boundary box of these parts that need to be cut, i.e., the cutting box, in a virtual manner in the monitoring screen of the camera 5 to indicate the cutting position and range of the laser cutter 106. By making the computer 3 interlock with the first linear module 101 and the second linear module 109, the cutting position and range information recognized by the visual system of the camera 5 can be transmitted to the computer 3, so that the computer 3 can control the first linear module 101 and the second linear module 109 to control the laser cutter 106 in real time to accurately cut the metal plate. During the cutting process, the camera 5 will continue to perform image recognition and analysis on the monitoring screen, adjust the position and size of the cutting box in time, and obtain real-time working status and cutting results from the laser cutter 106 to achieve real-time control and feedback of the cutting process.

[0039] Through the design of the first linear module 101, the second linear module 109, the laser cutter 106, the cutting table 107, the first reduction motor 108, the lifting mechanism 2, the centering drag and drop mechanism 4, the computer 3 and the camera 5, when cutting the metal plate, the worker can place the metal plate on the upper surface of the lifting mechanism 2, and the lifting mechanism 2 is at a low position, so that the worker can place the metal plate with less effort, and then start the lifting mechanism 2 to lift the metal plate to be flush with the cutting table 107, so that the metal plate can be within the monitoring range of the camera 5, and then the camera 5 can send the position information of the metal plate to the computer 3, and the computer 3 will start the first reduction motor 108 to drive the connecting rod 103 By performing a 90° flip, the connecting rod 103 can drive the centering drag and drop mechanism 4 in the rotating groove 110 to perform a 90° flip, and then the first linear module 101 can be started to drive the two sets of connecting plates 102 to move directly above the lifting mechanism 2, and then the centering drag and drop mechanism 4 in the connecting rod 103 of the connecting plate 102 can be moved to the two ends of the metal plate, and then the centering drag and drop mechanism 4 can be started to synchronously move toward the center in the rotating groove 110, and the centering drag and drop mechanism 4 that synchronously moves toward the center can push the tilted metal plate to a horizontal state and clamp it at the center of the lifting mechanism 2, and then the first linear module 101 can be started again to move the metal plate clamped in the centering drag and drop mechanism 4 to the upper part of the cutting table 107 The laser cutter 106 is located on the surface and is within the center monitoring range of the camera 5. The first reduction motor 108 can then be started again to rotate the laser cutter 106 to be flush with the metal plate, and the camera 5 can use the image processing algorithm to analyze and measure the marked graphics or contours to determine the position, size and shape of each part that needs to be cut. Then, the boundary box of these parts that need to be cut, i.e., the cutting box, is drawn in a virtual way on the monitoring screen of the camera 5 to indicate the cutting position and range of the laser cutter 106. The cutting position and range information recognized by the visual system of the camera 5 can be transmitted to the computer 3 through the linkage control of the computer 3 and the first linear module 101 and the second linear module 109, so that the computer 3 can be controlled. The first linear module 101 and the second linear module 109 are controlled in real time to control the laser cutter 106 to accurately cut the metal plate. During the cutting process, the camera 5 will continue to perform image recognition and analysis on the monitoring screen, adjust the position and size of the cutting frame in time, and obtain the real-time working status and cutting results from the laser cutter 106 to achieve real-time control and feedback of the cutting process. After the cutting is completed, the first reduction motor 108 can be started again to rotate the centering drag and drop mechanism 4 to be flush with the cutting table 107, so that the centering drag and drop mechanism 4 can support the cut metal plate to the center of the upper surface of the lifting mechanism 2. Each time a group of metal plates is placed on the upper surface of the lifting mechanism 2, the lifting mechanism 2 will be lowered to a certain height.Then, the central dragging and dropping mechanism 4 can stack the cut metal plates on the upper surface of the lifting mechanism 2. The lifting mechanism 2 can then lower the stacked metal plates to facilitate their transfer by the staff. After the cutting is completed, the central dragging and dropping mechanism 4 automatically stacks the cut metal plates on the lifting mechanism 2, reducing manual intervention and improving production efficiency. The lifting mechanism 2 automatically adjusts its height during the stacking process to ensure the stability and safety of the stack.

[0040] like Figure 5-Figure 6 As shown, the centered drag and drop mechanism 4 includes a second reduction motor 401, which is fixedly mounted at one end of the connecting plate 102. The piston rod of the second reduction motor 401 passes through the connecting plate 102 and is located in the rotating groove 110, and a rotating rod 402 is fixedly mounted on the end thereof. The rotating rod 402 is rotatably mounted in the rotating groove 110, and a positive thread 404 and a negative thread 403 are respectively provided at both ends of the outer surface of the rotating rod 402. The outer surfaces of the positive thread 404 and the negative thread 403 are both threadedly mounted with guide blocks 405, so that the two sets of guide blocks 405 can be synchronously driven by the positive thread 404 and the negative thread 403 to slide toward the center in the rotating groove 110.

[0041] A connecting arm 410 is fixedly installed at one end of the guide block 405, and the connecting arm 410 slides out of the rotating groove 110. A hydraulic rod 406 is fixedly installed at one end of the connecting arm 410, and a push plate 407 is fixedly installed at one end of the piston rod of the hydraulic rod 406. The push plate 407 is slidably installed in the guide rail groove 409. The guide rail groove 409 is opened at one end of the connecting arm 410. An anti-slip splint 408 is fixedly installed at one end of the pushing plate 407, and the anti-slip splint 408 is located at the inner end of the connecting arm 410.

[0042] The two sets of connecting arms 410 are driven by the positive thread 403 and the negative thread 404 through the guide block 405 to slide synchronously inward toward the center, so that the anti-slip splint 408 can touch the two ends of the metal plate, and the anti-slip splint 408 can pull the piston rod through the hydraulic rod 406 to lift the metal plate and stack multiple sets of cut metal plates.

[0043] Through the design of the second reduction motor 401, the rotating rod 402, the positive thread 404, the negative thread 403, the guide block 405, the hydraulic rod 406 and the anti-slip splint 408, when the metal plate is clamped and moved from the upper surface of the lifting mechanism 2 to the upper surface of the cutting table 107, the first reduction motor 108 can be started to drive the connecting rod 103 to rotate 90 degrees, and then the connecting rod 103 can drive the guide block 405 and the connecting arm 410 in the rotating groove 110 to rotate 90 degrees, and then the first linear module 101 can be started to drive the two sets of connecting plates 102 to move to the upper surface of the lifting mechanism 2. The two sets of connecting arms 410 in the connecting rod 103 of the connecting plate 102 can be moved to the two ends of the metal plate, and then the second reduction motor 401 can be started to drive the rotating rod 402 to rotate in the rotating groove 110, and the rotating rod 402 will drive the positive thread 404 and the negative thread 403 on the outer surface to drive the two sets of guide blocks 405 installed on the outer surface to move synchronously to the center, so that the two sets of guide blocks 405 can drive the anti-slip clamps 408 slidably installed in the two sets of connecting arms 410 to be clamped on both sides of the metal plate, and then the first linear module 101 can be started again to clamp the anti-slip clamps The metal plate in the plate 408 is moved to the upper surface of the cutting table 107 and is within the center monitoring range of the camera 5. Then, the first reduction motor 108 can be started again to rotate the laser cutter 106 to be flush with the metal plate so that the laser cutter 106 can cut the metal plate. After the cutting is completed, the first reduction motor 108 can be started again to rotate the connecting arm 410 to be flush with the cutting table 107, so that the connecting arm 410 can drive the anti-slip splint 408 to be clamped on both sides of the cut metal plate. Then, the cut metal plate can be cut through the first linear module 101. The metal plates are placed on the upper surface of the lifting mechanism 2, and the upper surface of the lifting mechanism 2 will drop to a certain height every time a group of metal plates are stacked. In the process of stacking the metal plates, the hydraulic rod 406 can be started to pull the push plate 407 at one end of the piston rod to rise, and then the push plate 407 can drive the anti-slip splint 408 to rise, thereby achieving the metal plates clamped by the anti-slip splint 408 to be lifted to a certain height, which can avoid unnecessary friction or collision between the metal plates during the stacking process and cause the stacked metal plates to deflect, and can ensure the stability and safety of the stacking.

[0044] like Figure 7 As shown, the lifting mechanism 2 includes two sets of C-shaped frames 201, which are fixedly mounted on one end of the cutting table 107. A dual-axis motor 202 is fixedly mounted in the C-shaped frame 201. One end of the output shaft at both ends of the dual-axis motor 202 is fixedly mounted with a first bevel gear 204. The first bevel gear 204 is meshed with a second bevel gear 205. The second bevel gear 205 is fixedly mounted on the lower surface of a threaded rod 206. The second bevel gear 205 is rotatably mounted on both sides of the C-shaped frame 201 through the threaded rod 206.

[0045] The dual-axis motor 202 is also controlled by the computer 3 .

[0046] A fastening block 207 is threadedly mounted on the outer surface of the threaded rod 206 . The fastening block 207 slides out from the U-shaped frame 201 . The lifting plate 203 is fixedly mounted between the fastening blocks 207 .

[0047] The lifting plate 203 can be driven by the threaded rod 206 to be lifted flush with the cutting table 107 through the fastening block 207, and then the lifting plate 203 can drive the metal plate to move up and down.

[0048] Through the design of the dual-axis motor 202, the lifting plate 203, the first bevel gear 204, the second bevel gear 205, the threaded rod 206 and the fastening block 207, when it is necessary to lift the metal plate on the upper surface of the lifting plate 203, the computer 3 can control the dual-axis motor 202 to drive the first bevel gear 204 on both sides of the output shaft to rotate, thereby enabling the first bevel gear 204 to drive the second bevel gear 205 to rotate, and the second bevel gear 205 will drive the threaded rod 206 to rotate, thereby enabling the threaded rod 206 to drive the outer surface fastening block 207 to rise and fall, thereby enabling the fastening block 207 to drive the lifting plate 203 to move vertically, thereby realizing the lifting plate 203 driving the metal plate placed on the upper surface to perform a lifting operation, to assist the staff in carrying the metal plate, which can reduce manual participation, reduce labor intensity and improve handling efficiency.

[0049] This embodiment also provides a laser cutting method for cutting a metal plate using the above-mentioned laser cutting platform, which specifically includes the following steps:

[0050] S1. Place the metal plate:

[0051] The worker places the metal plate to be cut on the upper surface of the lifting mechanism 2, i.e., the lifting plate 203;

[0052] S2. Lifting metal plate:

[0053] The computer 3 controls the dual-axis motor 202 to start, driving the first bevel gear 204 to rotate, and then the threaded rod 206 to rotate through the second bevel gear 205;

[0054] The rotation of the threaded rod 206 drives the fastening block 207 to rise, thereby driving the lifting plate 203 to rise vertically until the lifting plate 203 is flush with the cutting table 107;

[0055] S3. Metal plate clamping and movement:

[0056] The first reduction motor 108 is started, driving the connecting rod 103 to rotate 90 degrees, so that the centering dragging and dropping mechanism 4 (including the second reduction motor 401, the rotating rod 402, the guide block 405, the connecting arm 410, the hydraulic rod 406, the pushing plate 407 and the anti-slip splint 408) faces the lifting plate 203;

[0057] The first linear module 101 is activated, driving the two sets of connecting plates 102 and the central dragging and dropping mechanism 4 thereon to move to the top of the lifting plate 203;

[0058] The second reduction motor 401 is started, driving the rotating rod 402 to rotate, and the positive thread 404 and the negative thread 403 synchronously drive the guide block 405 to move closer to the center, so that the anti-slip splint 408 is clamped on both sides of the metal plate;

[0059] The first linear module 101 is started again to move the clamped metal plate to the upper surface of the cutting table 107 and into the center monitoring range of the camera 5;

[0060] S4, Laser Cutting:

[0061] The first reduction motor 108 is started again to rotate the laser cutter 106 until it is flush with the metal plate;

[0062] The camera 5 detects the edge of the metal plate using an image processing algorithm (such as the Canny algorithm) and virtually draws a cutting frame on the monitoring screen to indicate the cutting position and range of the laser cutter 106;

[0063] The computer 3 is linked with the first linear module 101 and the second linear module 109 to control the laser cutter 106 to perform precise cutting according to the cutting frame information;

[0064] During the cutting process, the camera 5 continuously performs image recognition and analysis on the monitoring screen, adjusts the position and size of the cutting frame in a timely manner, and monitors the working status and cutting results of the laser cutter 106;

[0065] S5. Cutting completion and stacking:

[0066] After the cutting is completed, the first reduction motor 108 is started again to rotate the centering dragging mechanism 4 to be flush with the cutting table 107;

[0067] The center dragging and dropping mechanism 4 clamps the cut metal plate and moves it to the upper surface of the lifting plate 203 through the first linear module 101;

[0068] Each time a group of metal plates is stacked, the computer 3 controls the dual-axis motor 202 to drive the threaded rod 206 to drive the lifting plate 203 to descend to a certain height;

[0069] During the stacking process, the hydraulic rod 406 can be activated to make the push plate 407 drive the anti-slip clamping plate 408 to rise to a certain height to avoid friction or collision between the metal plates during stacking;

[0070] S6. Transferring stacked metal plates:

[0071] When all the cut and stacked metal plates are stacked on the lifting plate 203, the lifting plate 203 is lowered to the lowest point for the staff to transfer.

[0072] Through the above series of steps, the laser cutting platform realizes the automatic lifting, clamping, precise cutting and stacking of metal plates, greatly reducing manual intervention and improving production efficiency and safety.

[0073] According to the above technical solution, the working steps of this solution are summarized and sorted out: when cutting the metal plate, the staff can place the metal plate on the upper surface of the lifting plate 203, and then the computer 3 can control the dual-axis motor 202 to drive the first bevel gear 204 on both sides of the output shaft to rotate, and then the first bevel gear 204 can drive the second bevel gear 205 to rotate, and the second bevel gear 205 will drive the threaded rod 206 to rotate, and then the threaded rod 206 can drive the outer surface fastening block 207 to rise and fall, and then the fastening block 207 can drive the lifting plate 203 to rise vertically, and then the lifting plate 203 can rise to be flush with the cutting table 107, and then the first reduction motor can be started. 108 drives the connecting rod 103 to rotate 90 degrees, and then the connecting rod 103 can drive the guide block 405 and the connecting arm 410 in the rotating groove 110 to rotate 90 degrees, and then the first linear module 101 can be started to drive the two sets of connecting plates 102 to move to the top of the lifting plate 203, and then the two sets of connecting arms 410 in the connecting rod 103 of the connecting plate 102 can be moved to the two ends of the metal plate, and then the second reduction motor 401 can be started to drive the rotating rod 402 to rotate in the rotating groove 110, and the rotating rod 402 will drive the two sets of guide blocks 405 installed on the outer surface of the positive thread 404 and the reverse thread 403 to move the outer surface thread synchronously to the center, and then the two sets of guide blocks 405 can drive the two sets of The anti-slip cleats 408 slidably installed in the connecting arm 410 are clamped on both sides of the metal plate, and then the first linear module 101 can be started again to move the metal plate clamped in the anti-slip cleats 408 to the upper surface of the cutting table 107 and within the center monitoring range of the camera 5. Then, the first reduction motor 108 can be started again to rotate the laser cutter 106 to be flush with the metal plate, and the camera 5 can use the image processing algorithm to analyze and measure the marked graphics or contours to determine the position, size and shape of each part to be cut, and then draw the boundary box of these parts to be cut, i.e., the cutting box, in a virtual way on the monitoring screen of the camera 5 to indicate the cutting position and range of the laser cutter 106 And through the linkage control of the computer 3 and the first linear module 101 and the second linear module 109, the cutting position and range information recognized by the visual system of the camera 5 can be transmitted to the computer 3, so that the computer 3 can control the first linear module 101 and the second linear module 109 to control the laser cutter 106 in real time to accurately cut the metal plate. In the cutting process, the camera 5 will continue to perform image recognition and analysis on the monitoring screen, adjust the position and size of the cutting frame in time, and obtain the real-time working status and cutting results from the laser cutter 106, so as to realize real-time control and feedback of the cutting process. After the cutting is completed, the first reduction motor 108 can be started again to rotate the connecting arm 410 to be flush with the cutting table 107.Then, the connecting arm 410 can drive the anti-slip clamping plate 408 to clamp the two sides of the cut metal plate, and then the cut metal plate can be placed on the upper surface of the lifting plate 203 through the first linear module 101. Every time a group of metal plates are stacked on the upper surface of the lifting plate 203, the computer 3 controls the dual-axis motor 202 to drive the threaded rod 206 to drive the lifting plate 203 to descend to a certain height. In the process of stacking the metal plates, the hydraulic rod 406 can be started to pull the pushing plate 407 at one end of the piston rod to rise, and then the pushing plate 407 can drive the anti-slip clamping plate 408 to rise, thereby achieving the metal plate clamped by the anti-slip clamping plate 408 to be lifted to a certain height, which can avoid unnecessary friction or collision between the metal plates during the stacking process, resulting in the deflection of the stacked metal plates, and can ensure the stability and safety of the stacking. Then, the lifting plate 203 can be lowered to the lowest point for the staff to transport it.

[0074] In summary: This laser cutting platform significantly improves the accuracy, efficiency and safety of laser cutting of metal plates by integrating automated handling, precise cutting, intelligent stacking and real-time monitoring functions.

[0075] Parts not described in the present invention are the same as those in the prior art or can be implemented using the prior art. Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A laser cutting platform, characterized in that: It includes a support frame, a cutting table is fixedly mounted on the upper surface of the support frame, a lifting mechanism is fixedly mounted on one end of the cutting table, a first linear module is fixedly mounted on the upper surface of both the cutting table and the lifting mechanism, a connecting plate is fixedly mounted on the upper surface of the movable block of the first linear module, a connecting rod is rotatably mounted between the two sets of connecting plates, a second linear module is fixedly mounted on the outer surface of the connecting rod, an L-shaped plate is fixedly mounted on one end of the movable block of the second linear module, an electric push rod is fixedly mounted on one end of the L-shaped plate, and a laser cutter is fixedly mounted on the outer surface of the piston rod of the electric push rod; A first reduction motor is fixedly installed at one end of the connecting plate, and the output shaft of the first reduction motor passes through the connecting plate and is fixedly connected to the connecting rod. A rotating groove is opened in the connecting rod, and a centering dragging and dropping mechanism is rotatably installed in the rotating groove; The centering drag and drop mechanism includes a second reduction motor, which is fixedly mounted at one end of the connecting plate. The piston rod of the second reduction motor passes through the connecting plate and is located in the rotating groove, and a rotating rod is fixedly mounted at the end thereof. The rotating rod is rotatably mounted in the rotating groove. Both ends of the outer surface of the rotating rod are provided with a positive thread and a negative thread, respectively. The outer surfaces of the positive thread and the negative thread are both threadedly mounted with guide blocks, so that the two sets of guide blocks can be synchronously driven by the positive thread and the negative thread to slide toward the center in the rotating groove. A connecting arm is fixedly installed at one end of the guide block, and the connecting arm slides out of the rotating groove. A hydraulic rod is fixedly installed at one end of the connecting arm, and a push plate is fixedly installed at one end of the piston rod of the hydraulic rod. The push plate is slidably installed in the guide rail groove. The guide rail groove is opened at one end of the connecting arm, and an anti-slip splint is fixedly installed at one end of the push plate. The anti-slip splint is located at the inner end of the connecting arm; the two groups of connecting arms are driven by the positive thread and the negative thread to slide synchronously inward toward the center through the guide block, so that the anti-slip splint can touch the two ends of the metal plate, and the anti-slip splint can lift the metal plate by pulling the piston rod through the hydraulic rod to stack multiple groups of cut metal plates; The first reduction motor drives the connecting rod to flip 90 degrees, which can enable the connecting rod to drive the center drag and drop mechanism in the rotating slot to flip 90 degrees; in the process of stacking metal plates, the hydraulic rod is started to pull the push plate at one end of the piston rod to rise, so that the push plate drives the anti-slip splint to rise, so that the metal plate clamped by the anti-slip splint is lifted to a certain height, avoiding unnecessary friction or collision between the metal plates during the stacking process, which may cause the stacked metal plates to skew.

2. The laser cutting platform according to claim 1, characterized in that: The lifting mechanism can lift the metal plate to be cut to be flush with the cutting table, so that the centering drag and drop mechanism can be driven by the first reduction motor to perform a 90° flip operation on the connecting rod, so that the centering drag and drop mechanism is flush with the cutting table, and the centering drag and drop mechanism can be moved to the upper surface of the lifting mechanism through the first linear module to clamp and drag the metal plate onto the surface of the cutting table, and the centering drag and drop mechanism can push the metal plate to the center of the cutting table during the process of clamping the metal plate to assist in alignment with the laser cutter.

3. The laser cutting platform according to claim 1, characterized in that: A camera and a computer are fixedly installed at one end of the support frame. The camera's monitoring range covers the upper surface of the cutting table and the lifting mechanism, and can transmit the monitoring image to the computer; The first linear module, the second linear module, the first reduction motor and the centering drag-and-drop mechanism are all controlled by a computer.

4. The laser cutting platform according to claim 3, characterized in that: The camera is integrated with the OpenCV vision library and uses the Canny algorithm to detect brightness changes in the monitored image, identify the edges of the target object to be cut, and move the cut object to the same position on the cutting table every time by moving the center drag and drop mechanism.

5. The laser cutting platform according to claim 4, characterized in that: The camera can use image processing algorithms to analyze and measure the marked graphics or contours, determine the position, size and shape of each part that needs to be cut, and then draw the boundary boxes of these parts that need to be cut in a virtual way in the camera's monitoring screen to indicate the cutting position and range of the laser cutter. By enabling the computer to be linked with the first linear module and the second linear module, the cutting position and range information recognized by the camera's visual system can be transmitted to the computer, so that the computer controls the first linear module and the second linear module to control the laser cutter in real time to accurately cut the metal plate. During the cutting process, the camera will continue to perform image recognition and analysis on the monitoring screen, adjust the position and size of the cutting box in time, and obtain real-time working status and cutting results from the laser cutter to achieve real-time control and feedback of the cutting process.

Images