Laser cutting device for sheet metal parts

Abstract

The invention relates to the technical field of sheet metal laser cutting, in particular to a sheet metal part laser cutting device. The device comprises a mounting plate, a box body is fixed to the bottom of the mounting plate, a protection box is fixed to the top of the mounting plate, a laser cutting assembly is mounted on the top of the inner side of the protection box, suction filtering assemblies are fixed to the two sides of the protection box, and an adjustable linkage double-station assembly is mounted on the box body; the linkage double-station assembly comprises a connecting plate, a first transmission shaft, an adjusting driving motor, a first driving gear and two driven toothed plates, the two ends of the connecting plate are fixed to the box body, the first transmission shaft is rotationally connected to the top of the connecting plate, the adjusting driving motor is fixed to the bottom of the connecting plate, and the first driving gear is fixed to the outer side of the first transmission shaft. Through cooperation of the linkage double-station assembly, the transmission plate, the supporting plate and the centering positioning and clamping assembly, double stations can be cooperatively controlled and adjusted, the double-station cooperative working capacity is achieved, and the positioning precision and the machining efficiency are effectively improved.

Description

Technical Field

[0001] This invention relates to the field of sheet metal laser cutting technology, specifically to a sheet metal laser cutting device. Background Technology

[0002] Sheet metal parts are widely used in the automotive, aerospace, electronics, and communications industries due to their lightweight, high strength, and ease of processing. Traditional sheet metal processing methods mainly include mechanical processing methods such as shearing, stamping, and sawing. Although these methods are still used in specific applications, they suffer from many problems such as low cutting accuracy, large deformation, serious material waste, strong dependence on molds, and poor processing flexibility, making it difficult to meet the demands of modern manufacturing for high precision, high efficiency, and diversified production.

[0003] Laser cutting equipment is a device that uses a high-energy-density laser beam to evaporate, melt, or oxidize materials to achieve cutting. It has advantages such as high precision, high speed, non-contact operation, and no pollution. Compared with traditional processing methods, laser cutting has many advantages and can meet more complex processing needs. Therefore, in recent years, laser cutting has been widely used in the field of sheet metal cutting.

[0004] In existing sheet metal laser cutting equipment, some adopt a dual-station design to improve processing efficiency. However, the adjustment of these dual stations is mostly done manually, using cylinders or lead screws for individual drive, resulting in insufficient linkage and positioning accuracy between the two stations. Therefore, this paper proposes a sheet metal laser cutting device to provide a solution to this technical problem. Summary of the Invention

[0005] The purpose of this invention is to provide a sheet metal laser cutting device to solve the existing technical problems: the dual-station adjustment of existing sheet metal laser cutting devices mostly adopts manual, cylinder or lead screw individual drive adjustment, which results in insufficient linkage and positioning accuracy between the two stations.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a sheet metal laser cutting device, comprising a mounting plate, a housing fixed to the bottom of the mounting plate, a protective box fixed to the top of the mounting plate, a laser cutting assembly installed on the top of the inner side of the protective box, suction and filtering assemblies fixed on both sides of the protective box, and an adjustable linkage dual-station assembly installed on the housing.

[0007] Furthermore, the linkage dual-station assembly includes a connecting plate, a first transmission shaft, an adjusting drive motor, a first driving gear, and two driven gear plates. The two ends of the connecting plate are fixed to the housing. The first transmission shaft is rotatably connected to the top of the connecting plate. The adjusting drive motor is fixed to the bottom of the connecting plate, and the output shaft of the adjusting drive motor is fixed to the bottom of the first transmission shaft. The first driving gear is fixed to the outside of the first transmission shaft, and the two driven gear plates are respectively meshed and connected to both sides of the first driving gear.

[0008] Furthermore, a transmission plate is fixed to each of the two driven toothed plates on opposite sides, and a support plate is fixed to the top of each transmission plate. An adjustment connecting box is fixed to the top of the support plate through the mounting plate, and the support plate is slidably connected to the mounting plate. A drive assembly is fixed to one end of the inner side of the adjustment connecting box, and a transmission slider is slidably connected to the inner side of the adjustment connecting box. The output shaft of the drive assembly is fixed to one end of the transmission slider. A mounting platform is fixed to one side of the transmission slider, and a centering positioning clamping assembly for fixing the workpiece is installed on the top of the mounting platform.

[0009] Furthermore, the centering positioning clamping assembly includes a fixed connecting box and a drive rod. The fixed connecting box is fixed to the top of the mounting platform, and the drive rod is rotatably connected to the inner side of the fixed connecting box. Both ends of the outer side of the drive rod are provided with threaded grooves, and the threads of the two threaded grooves are opposite in direction. A fixed drive motor is fixed to one end of the fixed connecting box, and the output shaft of the fixed drive motor is fixed to the drive rod. A movable stage is threadedly connected to the outer side of both threaded grooves, and the movable stage is slidably connected to the inner side of the fixed connecting box. A fixed clamping plate is fixed to one side of each movable stage.

[0010] Furthermore, each of the driven toothed plates has a T-shaped slide bar fixed to its top, and the top of each T-shaped slide bar is slidably connected to the mounting plate.

[0011] Furthermore, a collection assembly is installed on the top of the mounting plate. The collection assembly includes a debris collection box and a movable plate. The debris collection box is fixed to the top of the mounting plate, and the movable plate is slidably connected to the inside of the debris collection box.

[0012] Furthermore, a plurality of guide rods are fixed to the inner side of the debris collection box, and the movable plate is slidably connected to the outer side of the guide rods.

[0013] Furthermore, a second drive shaft and a third drive shaft are rotatably connected to the top of the connecting plate. A first drive gear and a second drive gear are fixed to the outer sides of the second drive shaft and the third drive shaft, respectively. A second drive gear is also fixed to the outer side of the first drive shaft. Both the second drive gear and the second drive gear are meshed with the first drive gear. A drive disc is fixed through the mounting plate at the top of the third drive shaft. A second drive rod is fixed near the edge of the top of the drive disc.

[0014] Furthermore, a first transmission rod is fixed to the top of the movable plate, and a transmission connecting rod is rotatably connected to the outer side of the first transmission rod, and the other end of the transmission connecting rod is rotatably connected to the second transmission rod.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. This invention enables coordinated control and adjustment of the two workstations through the cooperation of the linkage dual-station component, transmission plate, support plate and center positioning clamping component, and has the ability to work in tandem with the two workstations, thereby effectively improving positioning accuracy and processing efficiency.

[0016] 2. The present invention achieves centering and clamping of workpieces by cooperating with the centering positioning clamping component, the fixed drive motor, the moving stage and the fixed clamping plate, thereby ensuring the centering accuracy of the clamping and fixing.

[0017] 3. Through the structural design of the collection component, the linkage dual-station component, the guide rod, the transmission disc, and the debris collection box, the present invention can collect debris and push the debris to both ends through the linkage displacement of the moving plate, preventing the debris from accumulating in the middle of the debris collection box and compressing the debris to a certain extent, thereby reducing the space occupied by the debris. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a right view of the present invention; Figure 3 This is a schematic diagram of the internal structure of the housing of the present invention; Figure 4 This is a schematic diagram of the structure of the first transmission shaft, the adjusting drive motor, and the first driving gear of the present invention. Figure 5 This is a schematic diagram of the structure of the first transmission gear, the second transmission gear, and the second driving gear of the present invention. Figure 6 This is a schematic diagram of the structure of the drive component, mounting platform, and fixed connection box of the present invention; Figure 7 This is a schematic diagram of the connection structure of the debris collection box, the moving plate, and the transmission disc of the present invention.

[0019] Reference numerals: 1. Mounting plate; 2. Housing; 3. Protective housing; 4. Laser cutting assembly; 5. Suction and filtration assembly; 6. Connecting plate; 7. First drive shaft; 8. Adjustment drive motor; 9. First driving gear; 10. Driven gear plate; 11. Transmission plate; 12. Support plate; 13. Adjustment connection box; 14. Drive assembly; 15. Transmission slider; 16. Mounting platform; 17. Fixed connection box; 18. Drive rod; 19. Fixed drive motor; 20. Moving platform; 21. Fixed clamping plate; 22. T-shaped slide bar; 23. Debris collection box; 24. Moving plate; 25. Guide rod; 26. First transmission rod; 27. Second drive shaft; 28. Third drive shaft; 29. ​​First transmission gear; 30. Second transmission gear; 31. Second driving gear; 32. Transmission disc; 33. Second transmission rod; 34. Transmission connecting rod. Detailed Implementation

[0020] 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 embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] Example 1: Please refer to the following: Figures 1-6 A sheet metal laser cutting device includes a mounting plate 1, a housing 2 fixed to the bottom of the mounting plate 1, a protective housing 3 fixed to the top of the mounting plate 1, a laser cutting component 4 installed on the top of the inner side of the protective housing 3, suction and filtering components 5 fixed on both sides of the protective housing 3, and an adjustable linkage dual-station component installed on the housing 2.

[0022] The laser cutting component 4 and the suction and filtering component 5 are both standard components in the field, and commercially available products can meet the usage requirements. Therefore, no specific model is specified here.

[0023] The linkage dual-station assembly includes a connecting plate 6, a first drive shaft 7, an adjusting drive motor 8, a first driving gear 9, and two driven gear plates 10. Both ends of the connecting plate 6 are fixed to the housing 2. The first drive shaft 7 is rotatably connected to the top of the connecting plate 6. The adjusting drive motor 8 is bolted to the bottom of the connecting plate 6, and its output shaft is fixed to the bottom of the first drive shaft 7. The first driving gear 9 is fixed to the outside of the first drive shaft 7, and the two driven gear plates 10 are respectively meshed with both sides of the first driving gear 9. Thus, by driving the adjusting drive motor 8, the first drive shaft 7 can be rotated, thereby causing the driven gear plates 10 meshed with on both sides of the first driving gear 9 to move in opposite directions.

[0024] In this embodiment, in order to provide support and guidance for the driven toothed plate 10 and maintain the stability of its movement, a T-shaped slide bar 22 is fixed to the top of each driven toothed plate 10, and the top of each T-shaped slide bar 22 is slidably connected to the mounting plate 1. A transmission plate 11 is fixed to the side of each of the two driven toothed plates 10 that is far apart from each other. A support plate 12 is fixed to the top of each transmission plate 11. An adjustment connecting box 13 is fixed to the top of the support plate 12 through the mounting plate 1, and the support plate 12 is slidably connected to the mounting plate 1. A drive assembly 14 is bolted to one end of the inner side of the adjustment connecting box 13. In this embodiment, the drive assembly 14 is an electric push rod. In other embodiments, the drive assembly 14 can also be a hydraulic cylinder, as long as it can stably and accurately push the transmission slider 15 to move. The inner side of the adjusting connection box 13 is slidably connected to the transmission slider 15, and the output shaft of the drive assembly 14 is fixed to one end of the transmission slider 15. A mounting platform 16 is fixed to one side of the transmission slider 15, and a centering positioning clamping assembly for fixing the workpiece is installed on the top of the mounting platform 16.

[0025] Furthermore, by driving the corresponding drive component 14, the transmission slider 15 and the mounting platform 16 can be displaced, thereby making small adjustments to the position of the centering positioning clamping component. This allows for flexible adaptation to the need for small adjustments to the relative position of the two centering positioning clamping components and to individual adjustments to the position of a single centering positioning clamping component. By driving the adjustment drive motor 8, the first transmission shaft 7 can be rotated, causing the first drive gear 9 to drive the two driven gear plates 10 to move in opposite directions. Through the transmission plate 11 and the support plate 12, the adjustment connecting box 13 is displaced, causing the two centering positioning clamping components to move relative to each other. This enables coordinated control and adjustment, reducing manual adjustment time. It allows two workstations to independently fix different workpieces for alternating processing, effectively improving equipment utilization, positioning accuracy, and processing efficiency.

[0026] Example 2: Please refer to the following: Figures 1-6 This embodiment is an improvement on the first embodiment. The centering positioning clamping assembly includes a fixed connecting box 17 and a drive rod 18. The fixed connecting box 17 is fixed on the top of the mounting platform 16, and the drive rod 18 is rotatably connected to the inside of the fixed connecting box 17.

[0027] In this embodiment, threaded grooves are provided at both ends of the outer side of the drive rod 18, and the threads of the two threaded grooves are opposite in direction. A fixed drive motor 19 is fixed at one end of the fixed connection box 17, and the output shaft of the fixed drive motor 19 is fixed to the drive rod 18. A movable stage 20 is threadedly connected to the outer side of the two threaded grooves, and the movable stage 20 is slidably connected to the inner side of the fixed connection box 17. A fixed clamping plate 21 is fixed on one side of the movable stage 20.

[0028] Among them, the two fixed clamping plates 21 located on the same side are provided with anti-slip grooves at their close ends. The anti-slip grooves can be either V-shaped grooves or arc-shaped grooves, as long as they can well adapt to the workpiece being clamped.

[0029] Furthermore, by driving the fixed drive motor 19, the two moving stages 20 can be brought closer to each other, thereby aligning and clamping the sheet metal workpiece by synchronous displacement of the two fixed clamping plates 21, ensuring the alignment accuracy of the clamping and fixing.

[0030] In addition, a flexible anti-slip pad made of rubber can be fixed inside the fixed clamping plate 21 according to processing requirements, and a pressure sensor can be integrated to further increase friction and prevent the workpiece from being pinched.

[0031] Example 3: Please refer to the following: Figures 1-5 and Figure 7 This embodiment is an improvement on Embodiment 1. A collection assembly is installed on the top of the mounting plate 1. The collection assembly includes a debris collection box 23 and a movable plate 24. The debris collection box 23 is fixed to the top of the mounting plate 1 and can collect debris that falls during the cutting process. The movable plate 24 is slidably connected to the inner side of the debris collection box 23. To ensure the stability of the moving direction of the movable plate 24, multiple guide rods 25 are fixed to the inner side of the debris collection box 23, and the movable plate 24 is slidably connected to the outer side of the guide rods 25.

[0032] Here, a second drive shaft 27 and a third drive shaft 28 are rotatably connected to the top of the connecting plate 6. A first drive gear 29 and a second drive gear 30 are fixed to the outer sides of the second drive shaft 27 and the third drive shaft 28, respectively. A second drive gear 31 is also fixed to the outer side of the first drive shaft 7. Both the second drive gear 30 and the second drive gear 31 are meshed with the first drive gear 29. Transmission is achieved through the meshing connection between the second drive gear 31 and the first drive gear 29, and between the second drive gear 30 and the first drive gear 29. When the drive motor 8 drives the first drive shaft 7 to rotate, it drives the third drive shaft 28 to rotate. A drive disc 32 is fixed to the top of the third drive shaft 28 through the mounting plate 1. A second drive rod 33 is fixed to the top of the drive disc 32 near the edge. By setting the second drive rod 33 at the top of the drive disc 32 near the edge, the position of the second drive rod 33 from the moving plate 24 can change with the rotation of the drive disc 32, allowing for dynamic adjustment.

[0033] In addition, automatic grease lubrication is used between the first driving gear 9 and the two driven gear plates 10, between the second transmission gear 30 and the first transmission gear 29, and between the second driving gear 31 and the first transmission gear 29, and regular maintenance is performed to ensure long-term operating accuracy.

[0034] A first transmission rod 26 is fixed to the top of the movable plate 24. A transmission connecting rod 34 is rotatably connected to the outer side of the first transmission rod 26, and the other end of the transmission connecting rod 34 is rotatably connected to the second transmission rod 33. Thus, when the first transmission shaft 7 rotates, it synchronously drives the second drive gear 31 to rotate, causing the transmission disc 32 to drive the second transmission rod 33 to rotate. Through the transmission of the transmission connecting rod 34, the movable plate 24 moves inside the debris collection box 23, pushing the debris to both ends, preventing the debris from accumulating in the middle of the debris collection box 23, and compressing the debris to a certain extent, reducing the space occupied by the debris.

[0035] In summary, the sheet metal laser cutting device provided by the present invention, when in operation, places the sheet metal workpiece to be cut between two fixed clamping plates 21 located on the same side, drives the fixed drive motor 19 to rotate, causing the fixed drive motor 19 to drive the drive rod 18 to rotate, and uses the threaded grooves opened at both ends of the outer side of the drive rod 18 to drive the two moving tables 20 to move closer to each other, thereby driving the two fixed clamping plates 21 to move and clamp and fix the sheet metal workpiece to be cut.

[0036] The drive motor 8 drives the first transmission shaft 7 to rotate, causing the first drive gear 9 to rotate. This, in turn, drives the driven gear plates 10 meshing on both sides of the first drive gear 9 to move in opposite directions. The transmission plate 11 and support plate 12 drive the adjustment connection box 13 to move, which in turn moves the centering positioning clamping assembly on the top of the mounting platform 16. This moves the sheet metal workpiece to be cut inside the protective box 3 and below the laser cutting assembly 4, allowing the other centering positioning clamping assembly to be moved out of the protective box 3 for switching adjustment. Subsequently, by activating the laser cutting assembly 4 and the suction filter assembly 5, the laser cutting assembly 4 is controlled to perform laser cutting on the designated position of the sheet metal workpiece.

[0037] When it is necessary to make a small adjustment to the relative position of the two centering positioning clamping components or to make a small adjustment to the position of a single centering positioning clamping component, the corresponding driving component 14 is driven to displace the output shaft of the driving component 14, thereby causing the transmission slider 15 and the mounting platform 16 to move, and thus making a small adjustment to the position of the centering positioning clamping component.

[0038] During the cutting process, the debris generated can fall into the inside of the debris collection box 23. When the drive adjustment motor 8 drives the first transmission shaft 7 to rotate and adjust the position of the two centering positioning clamping components, the first transmission shaft 7 drives the second drive gear 31 to rotate. Through the meshing connection between the second drive gear 31 and the first transmission gear 29, and the second transmission gear 30 and the first transmission gear 29, the third transmission shaft 28 is driven to rotate, which in turn drives the transmission disc 32 to rotate. This causes the transmission disc 32 to drive the second transmission rod 33 to rotate and push or pull the moving plate 24 inside the debris collection box 23 through the transmission connecting rod 34, thereby pushing the debris to both ends, preventing the debris from accumulating in the middle of the debris collection box 23, and also compressing the debris to a certain extent, reducing the space occupied by the debris inside the debris collection box 23. The debris inside the debris collection box 23 can be cleaned after long-term use.

[0039] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0040] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A sheet metal laser cutting device, characterized in that, The device includes an installation plate (1), a box (2) is fixed to the bottom of the installation plate (1), a protective box (3) is fixed to the top of the installation plate (1), a laser cutting assembly (4) is installed on the top of the inner side of the protective box (3), a suction filter assembly (5) is fixed on both sides of the protective box (3), and an adjustable linkage dual-station assembly is installed on the box (2).

2. The sheet metal laser cutting device according to claim 1, characterized in that, The linkage dual-station assembly includes a connecting plate (6), a first transmission shaft (7), an adjustment drive motor (8), a first driving gear (9), and two driven gear plates (10). The two ends of the connecting plate (6) are fixed to the housing (2). The first transmission shaft (7) is rotatably connected to the top of the connecting plate (6). The adjustment drive motor (8) is fixed to the bottom of the connecting plate (6), and the output shaft of the adjustment drive motor (8) is fixed to the bottom of the first transmission shaft (7). The first driving gear (9) is fixed to the outside of the first transmission shaft (7). The two driven gear plates (10) are respectively meshed and connected to both sides of the first driving gear (9).

3. The sheet metal laser cutting device according to claim 2, characterized in that, A transmission plate (11) is fixed to one side of each of the two driven toothed plates (10) that are far apart from each other. A support plate (12) is fixed to the top of each transmission plate (11). An adjustment connecting box (13) is fixed to the top of the support plate (12) through the mounting plate (1). The support plate (12) is slidably connected to the mounting plate (1). A drive assembly (14) is fixed to one end of the inner side of the adjustment connecting box (13). A transmission slider (15) is slidably connected to the inner side of the adjustment connecting box (13). The output shaft of the drive assembly (14) is fixed to one end of the transmission slider (15). A mounting platform (16) is fixed to one side of the transmission slider (15). A centering positioning clamping assembly for fixing the workpiece is installed on the top of the mounting platform (16).

4. The sheet metal laser cutting device according to claim 3, characterized in that, The centering positioning clamping assembly includes a fixed connecting box (17) and a drive rod (18). The fixed connecting box (17) is fixed on the top of the mounting platform (16). The drive rod (18) is rotatably connected to the inner side of the fixed connecting box (17). Both ends of the outer side of the drive rod (18) are provided with threaded grooves, and the threads of the two threaded grooves are opposite in direction. One end of the fixed connecting box (17) is fixed with a fixed drive motor (19), and the output shaft of the fixed drive motor (19) is fixed to the drive rod (18). The outer sides of the two threaded grooves are threaded with a moving platform (20), and the moving platform (20) is slidably connected to the inner side of the fixed connecting box (17). One side of the moving platform (20) is fixed with a fixed clamping plate (21).

5. The sheet metal laser cutting device according to claim 3, characterized in that, The top of each driven toothed plate (10) is fixed with a T-shaped slide bar (22), and the top of each T-shaped slide bar (22) is slidably connected to the mounting plate (1).

6. The sheet metal laser cutting device according to claim 2, characterized in that, A collection assembly is installed on the top of the mounting plate (1). The collection assembly includes a debris collection box (23) and a movable plate (24). The debris collection box (23) is fixed on the top of the mounting plate (1), and the movable plate (24) is slidably connected to the inside of the debris collection box (23).

7. The sheet metal laser cutting device according to claim 6, characterized in that, Multiple guide rods (25) are fixed on the inner side of the debris collection box (23), and the moving plate (24) is slidably connected to the outer side of the guide rods (25).

8. A sheet metal laser cutting device according to claim 6, characterized in that, The top of the connecting plate (6) is also rotatably connected to a second drive shaft (27) and a third drive shaft (28). The outer sides of the second drive shaft (27) and the third drive shaft (28) are respectively fixed with a first drive gear (29) and a second drive gear (30). The outer side of the first drive shaft (7) is also fixed with a second drive gear (31). The second drive gear (30) and the second drive gear (31) are both meshed with the first drive gear (29). The top of the third drive shaft (28) passes through the mounting plate (1) and is fixed with a drive disc (32). The top of the drive disc (32) is fixed with a second drive rod (33) near the edge.

9. A sheet metal laser cutting device according to claim 8, characterized in that, The top of the movable plate (24) is fixed with a first transmission rod (26), and a transmission link (34) is rotatably connected to the outside of the first transmission rod (26), and the other end of the transmission link (34) is rotatably connected to the second transmission rod (33).

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