A laser cutting and punching integrated processing equipment for scooter profiles

Abstract

The application relates to the technical field of profile processing equipment, and discloses a laser cutting and punching integrated processing equipment for scooter profiles, wherein a main assembly comprises a processing bin, a workbench is arranged in the processing bin, a gantry is fixed in the processing bin, a driving frame is slidably connected to the gantry, a laser cutting head is fixed to the bottom of the driving frame, a cylinder is fixed to one side of the driving frame, a punching head is fixed to the bottom of the cylinder, the punching head is slidably connected to one side of the driving frame, and an exhaust fan is fixed to one side of the processing bin. A protection assembly comprises a protection door, a hinged rod and a rotating rod. Centrifugal force generated by the operation of the exhaust fan drives the engagement of the pawl and the ratchet wheel, so that the automatic locking of the protection door is realized. The laser cutting and punching are integrated in the same equipment, two processes are completed through one-time clamping of the workpiece, repeated positioning errors are eliminated, the processing precision and efficiency are improved, the equipment has high integration degree, small occupation and low operation and maintenance cost, and has the automatic locking function of the protection door driven by the exhaust fan, and is safe and reliable.

Description

Technical Field

[0001] This invention relates to the field of profile processing equipment technology, and in particular to an integrated laser cutting and punching processing equipment for skateboard profiles. Background Technology

[0002] The scooter frame is made of high-strength, lightweight metal profiles. These specialized metal profiles combine excellent structural rigidity with an extremely low weight coefficient, and their comprehensive mechanical properties are perfectly suited to the production and design requirements of scooters. Leveraging their high strength and resistance to deformation, the profiles can withstand the impact of riding loads and road bumps, providing stable support for the entire vehicle and ensuring structural integrity and load-bearing stability during riding. Simultaneously, the profiles' lightweight advantage aligns with the lightweight design standards for scooters, reducing overall weight and enhancing the vehicle's flexibility and portability while optimizing the riding experience. Thanks to their combined strength and lightweight characteristics, the profiles can improve the overall robustness and durability of the frame while strictly controlling the vehicle's weight. This fundamental structural design ensures the safety of the scooter during daily riding, starting, stopping, and under load, making it perfectly suited for mass production and daily use of civilian scooters.

[0003] However, punching and laser cutting of vehicle frame profiles are performed on two separate machines, requiring secondary transfer and repeated clamping and positioning of the workpieces, which can easily lead to positioning errors and affect the processing accuracy of the profiles. The layout of the split equipment lengthens the processing flow, reduces production efficiency, and the simultaneous placement of multiple machines occupies factory space. The equipment purchase and maintenance costs are also high, and the overall equipment integration is insufficient, making it difficult to meet the production needs of high-volume, high-precision processing of vehicle frame profiles. Summary of the Invention

[0004] To address the aforementioned shortcomings of existing technologies, this invention provides an integrated laser cutting and punching processing equipment for skateboard materials, which can effectively solve the problems of large workpiece secondary clamping and positioning errors, dispersed processes, large equipment footprint, and high production costs in existing technologies.

[0005] To achieve the above objectives, the present invention provides the following technical solution: This invention provides an integrated laser cutting and punching processing equipment for skateboard materials, comprising a main component, the main component including a processing chamber, a worktable disposed inside the processing chamber, a gantry frame fixed inside the processing chamber, a drive frame slidably connected to the gantry frame, a laser cutting head fixed to the bottom of the drive frame, a cylinder fixed to one side of the drive frame, a punching head fixed to the bottom of the cylinder, the punching head being slidably connected to one side of the drive frame, and an exhaust fan fixed to one side of the processing chamber; A protective assembly is disposed on the processing chamber. The protective assembly includes a protective component, which includes a protective door. The protective door is hinged to one side of the processing chamber. A hinge rod is hinged to one side of the protective door, and a rotating rod is hinged to one end of the hinge rod.

[0006] Furthermore, the protective assembly also includes a limiting member, which includes a positioning frame fixed inside the processing chamber, and the rotating rod is rotatably connected to the positioning frame.

[0007] Furthermore, a ratchet is fixed to the bottom of the rotating rod, and a pawl engages on one side of the ratchet, with the pawl rotatably connected to one side of the positioning frame.

[0008] Furthermore, a torsion spring is fixed to one side of the pawl, one end of the torsion spring is fixed to one side of the positioning frame, and a guide rod is movably connected to the outside of the pawl, the guide rod being hinged to the inside of the processing chamber.

[0009] Furthermore, a guide bar is fixed to one end of the pawl, and a guide groove corresponding to the guide bar is opened at one end of the guide rod, and the guide bar is slidably connected to the guide groove.

[0010] Furthermore, the protective assembly also includes a centrifugal component, which includes a connecting frame that is hinged to one end of the guide rod, and a movable frame is fixed to one end of the connecting frame.

[0011] Furthermore, a movable plate is rotatably connected within the movable frame, and a rotating column is movably connected within the movable plate, with the rotating column fixed to one side of the exhaust fan.

[0012] Furthermore, a connecting rod is hinged to one side of the movable disc, a centrifugal rod is hinged to one end of the connecting rod, the centrifugal rod is hinged to one side of the rotating column, and a centrifugal ball is fixed to one end of the centrifugal rod.

[0013] Furthermore, a tension spring is rotatably connected to one side of the movable disc, and a positioning plate is fixed to one end of the tension spring. The positioning plate is fixed to the inner wall of the processing chamber.

[0014] Furthermore, the rotation of the exhaust fan drives the rotation column to rotate, and the centrifugal force drives the centrifugal rod to swing, thereby causing the pawl to engage with the ratchet to achieve one-way locking. After the exhaust fan stops, the tension spring pulls the structure to reset, and the pawl disengages from the ratchet to complete the unlocking.

[0015] Compared with the known prior art, the technical solution provided by this invention has the following beneficial effects: the laser cutting head and the punching head are assembled together on the same gantry drive base, and the workpiece can be clamped and fixed at one time to complete the two processes of punching and laser cutting, eliminating the workpiece transfer and secondary positioning steps, eliminating the dimensional errors caused by repeated clamping, improving the profile processing accuracy and finished product consistency, integrating two sets of processing execution components in a single gantry, reducing the overall footprint of the equipment, reducing the comprehensive cost of equipment maintenance, shortening the processing time, and improving the batch processing efficiency of vehicle frame profiles. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Wherein: Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the gantry frame of the present invention; Figure 3 This is a schematic diagram of the exhaust fan of the present invention; Figure 4 This is a schematic diagram of the hinge rod of the present invention; Figure 5 This is a schematic diagram of the ratchet mechanism of the present invention; Figure 6 This is a schematic diagram of the centrifuge ball of the present invention.

[0017] The labels in the diagram represent: 1. Main component; 11. Processing chamber; 12. Worktable; 13. Gantry frame; 14. Drive frame; 15. Laser cutting head; 16. Cylinder; 17. Punching head; 18. Exhaust fan; 2. Protective component; 21. Protective part; 211. Protective door; 212. Hinge rod; 213. Rotating rod; 22. Limiting part; 221. Positioning frame; 222. Ratchet; 223. Pawl; 224. Torsion spring; 225. Guide rod; 226. Guide strip; 227. Guide groove; 23. Centrifugal component; 231. Connecting frame; 232. Movable frame; 233. Movable disc; 234. Rotating column; 235. Connecting rod; 236. Centrifugal rod; 237. Centrifugal ball; 238. Tension spring; 239. Positioning plate. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0019] The present invention will be further described below with reference to embodiments.

[0020] Example: A laser cutting and punching integrated processing equipment for skateboard material, as shown in the attached document. Figure 1 -Appendix Figure 6 The system includes a main component 1 and a protective component 2. The main component 1 includes a processing chamber 11, a workbench 12 is provided inside the processing chamber 11, a gantry frame 13 is fixed inside the processing chamber 11, a drive frame 14 is slidably connected to the gantry frame 13, a laser cutting head 15 is fixed at the bottom of the drive frame 14, a cylinder 16 is fixed on one side of the drive frame 14, a punching head 17 is fixed at the bottom of the cylinder 16, the punching head 17 is slidably connected to one side of the drive frame 14, and an exhaust fan 18 is fixed on one side of the processing chamber 11. The processing chamber 11 is a closed metal shell with transparent windows on both sides. Inside, there is a processing cavity to house components such as the worktable 12, gantry 13, and drive frame 14, providing a sealed working space for profile processing and preventing the spread of waste and dust generated during processing. The worktable 12 is fixed to the bottom of the processing chamber 11 and can hold and fix the scooter frame profile to be processed, providing stable support. The gantry 13 spans above the worktable 12, with linear guide rails on its crossbeams providing sliding support and guidance for the drive frame 14. It serves as the common support base for the laser cutting head 15 and the punching head 17. The drive frame 14 is slidably connected to the crossbeams of the gantry 13 and can reciprocate along the length of the gantry 13, driving the laser cutting head 15 and the punching head 17 laterally. The movement of the laser cutting head 15, a laser emission focusing device, generates a high-energy laser beam to cut the profile, completing the cutting and forming process of the vehicle frame profile. The cylinder 16 is a double-acting pneumatic actuator with a piston rod extending downward and connected to the punching head 17, which drives the punching head 17 to move up and down vertically to complete the punching operation of the profile. The punching head 17 is a stamping die assembly, slidably connected to one side of the drive frame 14, and can slide up and down under the drive of the cylinder 16 to punch the profile, completing the hole forming process of the vehicle frame profile. The exhaust fan 18 is an axial flow exhaust fan, fixed to one side wall of the processing chamber 11, which discharges the smoke, exhaust gas and heat generated inside the processing chamber 11 to the outside during the processing, keeping the working environment inside the processing chamber 11 clean and safe.

[0021] The protective component 2 is installed on the processing chamber 11. The protective component 2 includes a protective element 21, which includes a protective door 211. The protective door 211 is hinged to one side of the processing chamber 11. A hinge rod 212 is hinged to one side of the protective door 211, and a rotating rod 213 is hinged to one end of the hinge rod 212.

[0022] The protective door 211 is hinged to the front opening of the processing chamber 11, and has a transparent window on one side. It can be opened or closed by rotating around the hinge axis. It is used to close the front opening of the processing chamber 11 to prevent waste chips from flying and injuring people during processing. At the same time, it is convenient for operators to observe the internal processing situation. It can be opened to facilitate the loading and unloading of profiles. One end of the hinge rod 212 is hinged to the inner edge of the protective door 211, and the other end is hinged to the rotating rod 213. The rotation of the rotating rod 213 drives the hinge rod 212 to move. The movement of the hinge rod 212 can drive the protective door 211 to open or close. The rotating rod 213 is rotatably installed inside the positioning frame 221. A ratchet 222 is fixed at its bottom. When the protective door 211 is opened, it is driven to rotate by the hinge rod 212, which drives the ratchet 222 to rotate, realizing the function of the protective door 211 opening and the ratchet 222 being linked.

[0023] Specifically, the protective component 2 also includes a limiting component 22, which includes a positioning frame 221. The positioning frame 221 is fixed inside the processing chamber 11, and the rotating rod 213 is rotatably connected to the positioning frame 221.

[0024] The positioning frame 221 is fixed to the top of the inner wall of the processing chamber 11. Inside it is a bearing seat that rotates with the rotating rod 213 to provide rotational support for the rotating rod 213, ensuring the stability and coaxiality of the rotating rod 213 during rotation. It also serves as the mounting base for the ratchet 222 and the pawl 223.

[0025] Furthermore, a ratchet 222 is fixed to the bottom of the rotating rod 213, and a pawl 223 is engaged on one side of the ratchet 222. The pawl 223 is rotatably connected to one side of the positioning frame 221.

[0026] The ratchet 222 is fixed to the bottom of the rotating rod 213 and can rotate synchronously with the rotating rod 213. Its outer circumference is machined with one-way teeth, which cooperate with the pawl 223 to form a one-way locking mechanism. After the protective door 211 is closed, it locks the protective door 211 in the closed state to prevent the protective door 211 from being accidentally opened due to vibration or gravity during the processing. The pawl 223 is rotatably connected to the inner wall of the positioning frame 221. Its front end meshes with the tooth groove of the ratchet 222 and cooperates with the ratchet 222 to achieve one-way locking, allowing the rotating rod 213 to rotate in the forward direction, so that the protective door 211 can still be closed when the exhaust fan 18 is running, preventing it from rotating in the reverse direction. The protective door 211 will not open when the exhaust fan 18 is running.

[0027] Preferably, a torsion spring 224 is fixed to one side of the pawl 223, one end of the torsion spring 224 is fixed to one side of the positioning frame 221, and a guide rod 225 is movably connected to the outside of the pawl 223, and the guide rod 225 is hinged to the inside of the processing chamber 11.

[0028] The torsion spring 224 is sleeved on the hinge shaft of the pawl 223, with one end fixed to the pawl 223 and the other end fixed to the inner wall of the positioning frame 221. It can always apply a torsional force to the pawl 223 in a direction away from the ratchet 222, so that the pawl 223 remains separated from the ratchet 222. One end of the guide rod 225 is hinged to the inner wall of the processing chamber 11, and the other end is movably connected to the guide strip 226 at the end of the pawl 223 through the guide groove 227. It is used to transmit the driving force of the centrifugal component 23 to the pawl 223. When the exhaust fan 18 is started, the guide rod 225 drives the pawl 223 to swing so that it engages and locks with the ratchet 222.

[0029] It should be noted that a guide bar 226 is fixed to one end of the pawl 223, and a guide groove 227 corresponding to the guide bar 226 is opened at one end of the guide rod 225. The guide bar 226 is slidably connected to the guide groove 227.

[0030] The guide bar 226 is fixed to the end of the pawl 223, embedded in the guide groove 227 at the end of the guide rod 225 and can slide along the groove. The guide groove 227 is an oblique waist-shaped groove, opened at the end of the guide rod 225. Its inclination angle matches the movement path of the guide bar 226. When the guide rod 225 swings under the drive of the centrifugal member 23, the inclined surface of the guide groove 227 pushes the guide bar 226 and the pawl 223 to swing around the hinge axis, so that the pawl 223 engages with the tooth groove of the ratchet 222, thereby achieving one-way locking of the rotating rod 213 and locking the protective door 211 in the closed state.

[0031] Furthermore, the protective component 2 also includes a centrifugal element 23, which includes a connecting frame 231. The connecting frame 231 is hinged to one end of the guide rod 225, and a movable frame 232 is fixed to one end of the connecting frame 231.

[0032] One end of the connecting frame 231 is hinged to the guide rod 225, and the other end is fixedly connected to the movable frame 232. It is used to transmit the movement of the movable frame 232 to the guide rod 225 to realize the linkage between the centrifugal component 23 and the limiting component 22. The movable frame 232 is fixed to the end of the connecting frame 231, and the moving frame 231 can be driven to move by the movement of the movable frame 232.

[0033] Specifically, a movable plate 233 is rotatably connected inside the movable frame 232, and a rotating column 234 is movably connected inside the movable plate 233. The rotating column 234 is fixed to one side of the exhaust fan 18.

[0034] The movable disc 233 is rotatably connected to the interior of the movable frame 232 and can rotate around its central axis. It has a central hole inside that mates with the rotating column 234. When the rotating column 234 rotates, it swings, driving the movable frame 232 to move. The rotating column 234 is fixed to the center of the fan blade of the exhaust fan 18 and rotates synchronously with the exhaust fan 18. When rotating, it drives the movable disc 233 to swing.

[0035] Preferably, a connecting rod 235 is hinged to one side of the movable disc 233, and a centrifugal rod 236 is hinged to one end of the connecting rod 235. The centrifugal rod 236 is hinged to one side of the rotating column 234, and a centrifugal ball 237 is fixed to one end of the centrifugal rod 236.

[0036] One end of the connecting rod 235 is hinged to the side of the movable disk 233, and the other end is hinged to the centrifugal rod 236. The rotation of the rotating column 234 can drive the centrifugal rod 236 to rotate. At this time, the centrifugal rod 236 can drive the centrifugal ball 237 to rotate, thereby generating centrifugal force. This can drive the centrifugal rod 236 to swing outward. When the centrifugal rod 236 swings outward, it can drive the connecting rod 235 to move, so that the connecting rod 235 pulls the movable disk 233 to slide along the rotating column 234. At this time, the movement of the movable disk 233 can drive the movable frame 232 to move.

[0037] Specifically, a tension spring 238 is rotatably connected to one side of the movable plate 233, and a positioning plate 239 is fixed to one end of the tension spring 238. The positioning plate 239 is fixed to the inner wall of the processing chamber 11.

[0038] One end of the tension spring 238 is rotatably connected to the side of the movable disc 233, and the other end is fixedly connected to the positioning plate 239. It always applies a pulling force to the movable disc 233 to rotate it to its initial position. This is used to pull the movable disc 233 and the centrifugal component 23 to reset after the exhaust fan 18 stops, so that the pawl 223 disengages from the ratchet 222 and the lock is released so that the protective door 211 can be opened. The positioning plate 239 is fixed to the inner wall of the processing chamber 11 to provide fixed end support for the tension spring 238 and prevent the tension spring 238 from shifting.

[0039] Specifically, the exhaust fan 18 rotates, causing the rotating column 234 to rotate. The centrifugal force drives the centrifugal rod 236 to swing, thereby causing the pawl 223 to engage with the ratchet 222 to achieve one-way locking. After the exhaust fan 18 stops, the tension spring 238 pulls the structure to reset, and the pawl 223 disengages from the ratchet 222 to complete the unlocking.

[0040] When the exhaust fan 18 starts rotating, the rotating column 234 rotates synchronously at high speed with the exhaust fan 18. The centrifugal rod 236 rotates under the drive of the rotating column 234. At this time, the centrifugal ball 237 generates centrifugal force and throws outward, driving the centrifugal rod 236 to swing outward around its hinge axis. When the centrifugal rod 236 swings, it drives the connecting rod 235 to move. The connecting rod 235 pulls the movable plate 233 to slide along the rotating column 234. When the movable plate 233 moves, it drives the movable frame 232 to move. The movable frame 232 drives the connecting frame 231 to move. The connecting frame 231 pulls the guide rod 225 to swing. The guide groove 227 at the end of the guide rod 225 pushes the pawl 223 to overcome the elastic force of the torsion spring 224 and swing through the guide bar 226, so that the pawl 223 engages with the tooth groove of the ratchet 222, realizing one-way locking of the rotating rod 213 and locking the protective door 211 in the closed state to prevent the protective door 211 from being accidentally opened during processing.

[0041] When the exhaust fan 18 stops rotating, the centrifugal force disappears, the centrifugal ball 237 resets, the tension spring 238 pulls the movable disc 233 and the movable frame 232 to reset, the guide rod 225 swings in the opposite direction, and the pawl 223 disengages from the tooth groove of the ratchet 222 under the action of the torsion spring 224, releasing the one-way lock on the rotating rod 213, and the protective door 211 can be opened freely. Thus, the protective door 211 is automatically locked when the exhaust fan 18 is working and can be opened freely when the exhaust fan 18 is stopped.

[0042] Furthermore, the centrifugal drive lock-up condition of centrifugal rod 236 is determined by the following equation: ; ; in: The centrifugal force generated by centrifugal ball 237; The mass of centrifuge ball 237; The rotational angular velocity of exhaust fan 18; The radius of rotation of the centrifugal sphere 237 is the distance from the center of mass of the centrifugal sphere to the axis of the rotating column 234. This is the real-time included angle between the centrifugal rod 236 and the rotating column 234 in the radial direction; Centrifugal force The effective lever arm length acting on the hinge point of centrifugal rod 236; This is the reset tension of tension spring 238; The return tension of tension spring 238 The equivalent force arm is reduced to the hinge point 236 of the centrifugal rod; The frictional force between the meshing surfaces of the pawl 223 and the ratchet 222; Friction force of the pawl-ratchet meshing surface The equivalent friction radius referred to the hinge point of centrifugal rod 236; When the above inequality holds, centrifugal force drives the centrifugal rod 236 to swing outward. Through the step-by-step transmission of the connecting rod 235, movable disc 233, movable frame 232, connecting bracket 231, and guide rod 225, the elastic force of the pawl 223 engages with the ratchet 222, achieving one-way locking of the rotating rod 213; when the rotational angular velocity of the exhaust fan 18... When the inequality is reduced to the point where it no longer holds, the tension spring 238 pulls each component to reset, and the pawl 223 disengages from the ratchet 222 to complete the unlocking.

[0043] Further parameter descriptions: Special Note: and This is not simply the geometrically measured length, but rather the equivalent reduced lever arm. According to the principle of virtual work, under any infinitesimal virtual displacement, the sum of the virtual work done by each resistance is equal to the product of the reduced equivalent force and the virtual displacement. By employing the equivalent reduction method, the torques that originally belonged to different rotating pairs can be algebraically compared under the same reference frame (the hinge point of the centrifugal rod). This is a common approach in mechanism dynamics analysis, ensuring the physical rigor of the inequalities.

[0044] Example: 3.1 Forward Verification – Locking Reliability Check Given the mechanism parameters under a certain design condition: Centrifugal ball mass: ; Rated speed of exhaust fan: Calculate angular velocity ; Centrifugal sphere rotation radius: ; Angle between centrifugal rod and radial direction: , ; Effective lever arm of centrifugal force: ; Spring return force: equivalent arm ; Pawl engagement friction: Equivalent friction radius ; Calculate centrifugal force: ; Calculate the driving torque: ; Calculate the total resistance torque: .

[0045] judge: The inequality holds true and the safety margin is as high as about 82 times, proving that the locking mechanism has sufficient drive margin under rated operating conditions, reliable operation and no risk of critical vibration.

[0046] 3.2 Reverse Design – Critical Speed ​​Calculation By setting the inequality to the critical equality state, the minimum lock-up angular velocity (critical speed) of the exhaust fan can be solved: ; ; Substitute the parameters from Example 3.1: ; Converted to speed: .

[0047] Design Conclusion: A reliable lock-up requires an exhaust fan speed higher than approximately 220 rpm. In this example, the exhaust fan's rated speed is 2000 rpm, approximately nine times the critical speed, providing sufficient lock-up margin. To reduce the critical speed and improve response speed, the mass of the centrifugal bulb can be increased. Increase the radius of rotation Or reduce the tension of the tension spring This allows designers to make flexible adjustments based on actual working conditions.

[0048] 3.3 Parameter Sensitivity Analysis This equation can also be used for sensitivity analysis. For example, when the centrifugal rod makes an angle with the radial direction... from Increase to hour, Increasing the value from 0.5 to 0.866 increases the driving torque by 73%, while the drag torque remains unchanged. This means that the lock-up response time will be significantly shortened. This quantitative relationship provides direct guidance for the optimization design of angle parameters.

[0049] Technical effects: 4.1 Provides quantitative design guidelines, eliminating trial and error. Traditional centrifugal locking mechanisms rely heavily on engineers' experience and repeated experiments, lacking theoretical basis for parameter selection, often resulting in problems such as locking delay, critical jitter, or inability to lock. The equations established in this invention incorporate complex multi-link frictional torques into a unified mathematical framework, allowing designers to accurately determine each structural parameter through calculation, thus upgrading the design process from qualitative estimation to quantitative calculation.

[0050] 4.2 Ensure the reliability of locking and unlocking timing. This equation allows for precise control of the lock-up critical speed, ensuring that: Under stable operating conditions, the centrifugal force of the exhaust fan is much greater than the resistance (the safety margin can be quantified and calculated), the pawl and ratchet reliably engage, and the protective door is firmly locked and fixed throughout the entire processing. During the deceleration process of the exhaust fan stopping, when the speed drops below the critical value, the tension spring automatically pulls the mechanism back to the initial position, the pawl disengages from the ratchet in time, and the protective door can be opened immediately.

[0051] This purely mechanical linkage mechanism, which locks when there is wind and opens when there is no wind, requires no electrical sensors or electromagnetic actuators, fundamentally avoiding malfunctions caused by electrical faults and improving the inherent safety of the equipment.

[0052] 4.3 Optimize batch processing cycle time The critical speed calculated using this equation can be precisely matched with the start-stop acceleration and deceleration curves of the exhaust fan, ensuring that the unlocking time of the protective door is precisely synchronized with the processing end time, minimizing the waiting time for loading and unloading, and significantly improving production efficiency in multi-batch continuous processing.

[0053] 4.4 The equivalent reduction method has universality The multi-link torque equivalent reduction algorithm used in this scheme is not only applicable to the centrifugal locking mechanism of this device, but can also be extended to other multi-link-spring-friction coupling mechanical systems, providing a general modeling approach and mathematical tools for similar scheme designs.

[0054] Working principle and process: Referring to the accompanying drawings and specific implementation methods, the complete working process of the locking mechanism driven by this equation is as follows: Phase 1: Exhaust fan starts and accelerates ( (rising from 0) After the operator clamps the profile onto the workbench 12 and closes the protective door 211, they start the exhaust fan 18. The rotating column 234 accelerates synchronously with the exhaust fan, and the centrifugal ball 237 experiences centrifugal force. It increases rapidly with the square of the rotational speed.

[0055] when Reaching the critical value makes the inequality: When it is established, the driving torque exceeds the sum of the reduced resistance torque, and the centrifugal rod 236 begins to swing outward against the resistance of the tension spring.

[0056] Phase Two: Power Transmission and Locking Execution The swing of centrifugal rod 236 is driven sequentially: The connecting rod 235 is displaced, which pulls the movable disk 233 to slide along the rotating column 234; The movable plate drives the movable frame 232 and the connecting frame 231 to move synchronously. The connecting frame pulls the guide rod 225 to swing around the hinge point in the same direction; The guide groove 227 at the end of the guide rod pushes the guide bar 226 through the inclined surface, thereby driving the pawl 223 to swing towards the ratchet 222 against the elastic force of the tension spring 224. The front end of the pawl is embedded in the corresponding tooth groove of the ratchet 222 to achieve one-way locking of the rotating rod 213; after the rotating rod is locked, the hinge rod 212 cannot move, and the protective door 211 is firmly locked in the closed state.

[0057] At this time, the exhaust fan continues to run at a high speed, the inequality remains true, and the lock-up state is maintained.

[0058] Phase 3: Laser Cutting and Punching In a safe environment where the protective door is reliably locked, the drive frame 14 moves along the gantry slide 13, sequentially driving the laser cutting head 15 to complete the profile cutting and the cylinder 16 to cooperate with the punching die 17 to complete the two processes of profile punching.

[0059] Phase Four: Completion of Processing and Slowing Down / Stopping of Exhaust Fan ( (decreased to 0) After all processing steps are completed, the operator turns off exhaust fan 18. Gradually decrease, centrifugal force It decays rapidly according to a square relationship.

[0060] when When the value drops below the critical value, the inequality no longer holds, that is: ; At this time, the reset force of the tension spring 238 takes the lead, pulling the movable disc 233 and the movable frame 232 back to the initial position. The guide rod 225 swings in the opposite direction, and the pawl 223 automatically disengages from the tooth groove of the ratchet 222 under the action of the torsion spring 224, releasing the lock on the rotating rod 213.

[0061] Phase 5: Material Feeding and Recycling After the lock is released, the protective door 211 can be opened freely. The operator opens the protective door to take out the processed profile, then loads the next profile to be processed and closes the protective door. The exhaust fan is then started to enter the next processing cycle, realizing continuous batch production.

[0062] When in use, the operator first places the scooter frame profile to be processed on the workbench 12, and clamps and fixes the profile with the fixtures on the workbench 12 to complete the first clamping and positioning of the workpiece. At this time, the profile is fixed on the workbench 12, which is ready for subsequent laser cutting and punching. Two processes can be completed in one clamping, avoiding repeated positioning errors.

[0063] The operator then closes the protective door 211 and starts the exhaust fan 18. The exhaust fan 18 rotates, causing the rotating column 234 to rotate synchronously at high speed. The centrifugal rod 236 rotates under the influence of the rotating column 234, and the centrifugal ball 237 generates centrifugal force and throws outward, driving the centrifugal rod 236 to swing outward around its hinge axis. The centrifugal rod 236 pulls the movable plate 233 along the rotating column 234 through the connecting rod 235. The movable plate 233 drives the movable frame 232 and the connecting frame 231 to move. The connecting frame 231 pulls the guide rod 225 to swing. The guide groove 227 at the end of the guide rod 225 pushes the guide bar 226 through the inclined surface. The guide bar 226 drives the pawl 223 to swing against the elastic force of the torsion spring 224, so that the pawl 223 engages with the tooth groove of the ratchet 222, thereby achieving one-way locking of the rotating rod 213 and locking the protective door 211 in the closed state. The exhaust fan 18 operates to discharge the smoke, dust, exhaust gas and heat generated inside the processing chamber 11 to the outside. At the same time, the protective door 211 is automatically locked to prevent the protective door 211 from being opened accidentally during the processing, thus ensuring operational safety.

[0064] Subsequently, the operator controls the drive frame 14 to move along the gantry frame 13 to the starting position for cutting the profile through the CNC system, and then starts the laser cutting head 15. The laser cutting head 15 generates a high-energy laser beam, and the drive frame 14 moves along the gantry frame 13 according to the preset path. The laser cutting head 15 cuts the profile to complete the cutting and forming process of the frame profile. At this time, the cutting process of the profile is completed, and the workpiece can be clamped once to proceed to the next punching process.

[0065] After cutting, the operator controls the drive frame 14 to move to the punching position of the profile through the CNC system, and then starts the cylinder 16. The piston rod of the cylinder 16 extends and drives the punching head 17 to slide down along one side of the drive frame 14. The punching head 17 punches the profile, completing the hole forming process of the frame profile. At this time, the punching process of the profile is completed. The workpiece can be processed on the same machine without secondary clamping, improving processing accuracy and efficiency.

[0066] After all laser cutting and punching processes are completed, the exhaust fan 18 is turned off, the exhaust fan 18 stops rotating, the centrifugal force disappears, the centrifugal ball 237 resets, the tension spring 238 pulls the movable plate 233 and the movable frame 232 to reset, the guide rod 225 swings in the opposite direction, and the pawl 223 disengages from the tooth groove of the ratchet 222 under the action of the torsion spring 224, releasing the one-way lock on the rotating rod 213. At this time, the protective door 211 can be opened freely, so that the lock of the protective door 211 is released, and the operator can open the protective door 211 to take out the processed profile.

[0067] Then the operator opens the protective door 211, removes the processed profile from the workbench 12, completes all the processing steps for a single profile, and then places the next profile to be processed on the workbench 12, repeating the above steps for continuous batch processing, realizing batch continuous processing of scooter frame profiles and improving processing efficiency.

[0068] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A laser cutting and punching integrated processing equipment for skateboard material, characterized in that, include: The main component (1) includes a processing chamber (11), a workbench (12) is provided inside the processing chamber (11), a gantry frame (13) is fixed inside the processing chamber (11), a drive frame (14) is slidably connected to the gantry frame (13), a laser cutting head (15) is fixed at the bottom of the drive frame (14), a cylinder (16) is fixed on one side of the drive frame (14), a punching head (17) is fixed at the bottom of the cylinder (16), the punching head (17) is slidably connected to one side of the drive frame (14), and an exhaust fan (18) is fixed on one side of the processing chamber (11). A protective component (2) is disposed on the processing chamber (11). The protective component (2) includes a protective element (21), which includes a protective door (211). The protective door (211) is hinged to one side of the processing chamber (11). A hinge rod (212) is hinged to one side of the protective door (211), and a rotating rod (213) is hinged to one end of the hinge rod (212).

2. The laser cutting and punching integrated processing equipment for skateboard material as described in claim 1, characterized in that: The protective component (2) also includes a limiting member (22), which includes a positioning frame (221). The positioning frame (221) is fixed inside the processing chamber (11), and the rotating rod (213) is rotatably connected to the positioning frame (221).

3. The laser cutting and punching integrated processing equipment for skateboard material as described in claim 2, characterized in that: The bottom of the rotating rod (213) is fixed with a ratchet (222), and a pawl (223) is engaged on one side of the ratchet (222). The pawl (223) is rotatably connected to one side of the positioning frame (221).

4. The laser cutting and punching integrated processing equipment for skateboard material as described in claim 3, characterized in that: A torsion spring (224) is fixed to one side of the pawl (223), and one end of the torsion spring (224) is fixed to one side of the positioning frame (221). A guide rod (225) is movably connected to the outside of the pawl (223), and the guide rod (225) is hinged to the inside of the processing chamber (11).

5. The laser cutting and punching integrated processing equipment for skateboard material as described in claim 4, characterized in that: One end of the pawl (223) is fixed with a guide bar (226), and one end of the guide rod (225) is provided with a guide groove (227) corresponding to the guide bar (226). The guide bar (226) is slidably connected to the guide groove (227).

6. The laser cutting and punching integrated processing equipment for skateboard material as described in claim 5, characterized in that: The protective component (2) also includes a centrifugal component (23), which includes a connecting frame (231). The connecting frame (231) is hinged to one end of the guide rod (225), and a movable frame (232) is fixed to one end of the connecting frame (231).

7. The laser cutting and punching integrated processing equipment for skateboard material as described in claim 6, characterized in that: The movable frame (232) is rotatably connected to a movable disk (233), and the movable disk (233) is movably connected to a rotating column (234), which is fixed to one side of the exhaust fan (18).

8. The laser cutting and punching integrated processing equipment for skateboard material as described in claim 7, characterized in that: A connecting rod (235) is hinged to one side of the movable disc (233), and a centrifugal rod (236) is hinged to one end of the connecting rod (235). The centrifugal rod (236) is hinged to one side of the rotating column (234), and a centrifugal ball (237) is fixed to one end of the centrifugal rod (236).

9. The laser cutting and punching integrated processing equipment for skateboard material as described in claim 8, characterized in that: A tension spring (238) is rotatably connected to one side of the movable disc (233), and a positioning plate (239) is fixed to one end of the tension spring (238). The positioning plate (239) is fixed to the inner wall of the processing chamber (11).

10. The laser cutting and punching integrated processing equipment for skateboard material as described in claim 9, characterized in that: The exhaust fan (18) rotates, causing the rotating column (234) to rotate. The centrifugal force drives the centrifugal rod (236) to swing, thereby driving the pawl (223) to engage with the ratchet (222) to achieve one-way locking. After the exhaust fan (18) stops, the tension spring (238) pulls the structure to reset, and the pawl (223) disengages from the ratchet (222) to complete the unlocking.

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