Metal skeleton laser cutting machine

Abstract

This utility model relates to the field of laser cutting machine technology and discloses a metal frame laser cutting machine, including a base, a frame fixedly connected to the upper surface of the base, a bridge fixedly connected to the outer wall of the frame, a connecting assembly above the bridge, a shell fixedly connected to the upper surface of the base, a clamping assembly inside the shell, the clamping assembly including clamping blocks and clamping pads, a large gear inside the shell, a connecting shell fixedly connected to the outer wall of the large gear, a slide rod slidably connected to the inner wall of the clamping blocks, a bidirectional lead screw rotatably connected to the inner wall of the connecting shell, a threaded connection between the inner wall of the clamping blocks and the outer wall of the bidirectional lead screw, and a knob fixedly connected to one end of the bidirectional lead screw. In this utility model, rotating the knob drives the bidirectional lead screw to rotate, causing the symmetrically distributed clamping blocks to slide synchronously in opposite directions along the slide rod, quickly clamping the metal frame with the clamping pads, and automatically resetting and locking after adjustment, simplifying the clamping process and significantly improving work efficiency.

Description

Technical Field

[0001] This utility model relates to the field of laser cutting machine technology, and in particular to a metal frame laser cutting machine. Background Technology

[0002] Metal frames serve as key supporting structures in fields such as construction and machinery manufacturing. Their processing precision directly affects the overall assembly quality. Laser cutting technology, with its advantages of non-contact processing, narrow kerf, and small heat-affected zone, has become the core means for high-precision processing of metal frames. The development of specialized laser cutting equipment is of great significance for improving the level of production automation in order to meet the high-efficiency cutting needs of irregularly shaped metal frames.

[0003] Currently, most metal frame laser cutting machines adopt a structure design with a fixed fixture and a three-axis moving platform. The fixture is usually fixed by bolts or hydraulically driven pressure plates to fix the workpiece. The laser head is mounted on a cross slide and is moved horizontally by a ball screw driven by a servo motor. The cutting height is adjusted by a cylinder or motor. During the cutting process, the control system drives the laser head to perform contour cutting according to the preset path coordinates, while the auxiliary gas system removes slag.

[0004] However, traditional fixtures have significant drawbacks in the clamping process. After the workpiece is positioned, the bolts need to be rotated or the hydraulic valve needs to be operated multiple times to complete the clamping. Moreover, the clamping force depends on human experience and is prone to loosening or over-pressure deformation. Each time the workpiece is changed, the tightening and loosening operations need to be repeated, which limits production efficiency. Especially in batch processing scenarios, the clamping time may even exceed the cutting time, becoming a problem that restricts the overall efficiency of the equipment. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a metal frame laser cutting machine, which aims to improve the problem of cumbersome workpiece clamping.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a metal frame laser cutting machine, comprising a base, a frame fixedly connected to the upper surface of the base, a bridge fixedly connected to the outer wall of the frame, a moving block slidably connected to the outer wall of the bridge, a connecting block slidably connected to the inner wall of the moving block, a connecting component being provided inside the connecting block, and a shell fixedly connected to the upper surface of the base, a clamping component being provided inside the shell;

[0007] The clamping assembly includes a clamping block and a clamping pad. A large gear is disposed inside the outer shell. A connecting shell is fixedly connected to the outer wall of the large gear. A clamping block is slidably connected to the inner wall of the connecting shell. A clamping pad is fixedly connected to the outer wall of the clamping block. A sliding rod is slidably connected to the inner wall of the clamping block. Both ends of the sliding rod are fixedly connected to the inner wall of the connecting shell. A bidirectional lead screw is rotatably connected to the inner wall of the connecting shell. The inner wall of the clamping block is threadedly connected to the outer wall of the bidirectional lead screw. A knob is fixedly connected to one end of the bidirectional lead screw.

[0008] Furthermore, the connecting component includes a locking block and a locking slot. A laser gun is disposed on the outside of the first connecting block, and a second connecting block is fixedly connected to the outer wall of the laser gun. The locking slot is opened through the outer wall of the second connecting block, and the outer wall of the locking block is slidably connected to the inner wall of the first connecting block. A button is fixedly connected to one end of the locking block.

[0009] Furthermore, a second connecting rod is slidably connected to the inner wall of the card block, and both ends of the second connecting rod are fixedly connected to the inner wall of the first connecting block. A first spring is sleeved on the outer wall of the second connecting rod, and both ends of the first spring abut against the outer wall of the card block.

[0010] Furthermore, the outer wall of the bidirectional lead screw is provided with an annular toothed groove, the inner wall of the connecting shell is slidably connected to a connecting rod, one end of the connecting rod is fixedly connected to a locking tooth, the locking tooth engages with the annular toothed groove, the other end of the connecting rod is fixedly connected to a handle, the outer wall of the connecting rod is fixedly connected to a locking rod, the inside of the connecting shell is provided with a cross groove, and the locking rod is disposed inside the cross groove.

[0011] Furthermore, a second spring is sleeved on the outer wall of the connecting rod, one end of the second spring is fixedly connected to the outer wall of the retaining tooth, and the other end of the second spring is fixedly connected to the inner wall of the connecting shell.

[0012] Furthermore, a square hole is provided through the outer wall of the large gear, a small gear is provided inside the base, the small gear is meshed with the large gear, and a motor is provided inside the base, with the output end of the motor fixedly connected to the inner wall of the small gear.

[0013] Furthermore, a slide rail is provided on the upper surface of the cable tray, a slider is slidably connected to the inner wall of the slide rail, the upper surface of the slider is fixedly connected to the lower surface of the moving block, a rack is fixedly connected to the upper surface of the cable tray, a spur gear is provided inside the moving block, and the rack is meshed with the spur gear.

[0014] Furthermore, a second motor is installed inside the moving block, the output end of the second motor is fixedly connected to the inner wall of the spur gear, a hydraulic rod is fixedly connected to the inner wall of the moving block, and the output end of the hydraulic rod is fixedly connected to the upper surface of the connecting block.

[0015] This utility model has the following beneficial effects:

[0016] 1. In this utility model, the bidirectional lead screw is driven to rotate by rotating the knob, which drives the symmetrically distributed clamping blocks to slide synchronously in the opposite direction along the slide bar. With the help of the clamping pad, the metal frame is quickly clamped. This design simplifies the clamping process, significantly improves work efficiency, and ensures stable and reliable clamping, avoiding workpiece deformation or loosening. The clamping pad protects the workpiece surface from damage, and the self-locking function of the locking mechanism further improves the safety and convenience of operation.

[0017] 2. In this utility model, a spring-loaded snap-on quick-release structure is adopted. Pressing the button will drive the snap block to retract. After releasing the button, the spring will automatically reset and the snap block will be embedded in the slot. The connection can be completed without tools. The operation is simple and quick, with low technical requirements for operators. It ensures that the laser gun is installed quickly and accurately, avoids the decrease in cutting accuracy caused by installation deviation, and facilitates the maintenance, replacement and position adjustment of the laser gun. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of a metal frame laser cutting machine proposed in this utility model;

[0019] Figure 2 This is a schematic diagram of the outer shell structure of a metal frame laser cutting machine proposed in this utility model;

[0020] Figure 3 This is a schematic diagram of the connecting shell structure of a metal frame laser cutting machine proposed in this utility model;

[0021] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0022] Figure 5 This is a schematic diagram of the bridge structure of a metal frame laser cutting machine proposed in this utility model;

[0023] Figure 6 for Figure 5 Enlarged diagram of point B in the middle.

[0024] Legend:

[0025] 1. Base; 2. Frame; 3. Outer shell; 4. Pinion; 5. Motor 1; 6. Large gear; 7. Connecting shell; 8. Clamping block; 9. Clamping pad; 10. Knob; 11. Two-way lead screw; 12. Annular toothed groove; 13. Connecting rod 1; 14. Handle; 15. Locking rod; 16. Locking tooth; 17. Cross groove; 18. Square hole; 19. Bridge; 20. Slide rail; 21. Slider; 22. Motor 2; 23. Rack; 24. Spur gear; 25. Connecting block 1; 26. Hydraulic rod; 27. Laser gun; 28. Connecting block 2; 29. ​​Slot; 30. Locking block; 31. Button; 32. Connecting rod 2; 33. Spring 1; 34. Slide rod; 35. Spring 2; 36. Moving block. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Reference Figures 1-6This utility model provides an embodiment of a metal frame laser cutting machine, including a base 1, which provides a stable mounting platform for an upper frame 2 and other components. The frame 2 is fixedly connected to the upper surface of the base 1, providing a stable mounting for components such as a bridge 19. A bridge 19 is fixedly connected to the outer wall of the frame 2, providing a horizontal moving track for a moving block 36 and simultaneously supporting components such as a laser gun 27. The moving block 36 is slidably connected to the outer wall of the bridge 19, allowing it to slide smoothly along the bridge 19 and drive the laser gun 27 to achieve horizontal cutting coverage. A connecting block 25 is slidably connected to the inner wall of the moving block 36, allowing it to slide relative to the vertical direction of the moving block 36, thereby adjusting the height of the laser gun 27. A connecting component is provided inside the connecting block 25. 1. An outer shell 3 is fixedly connected to the upper surface to prevent dust and impurities from entering the interior. A clamping assembly is installed inside the outer shell 3, including clamping blocks 8 and clamping pads 9 to prevent the workpiece surface from being pinched or deformed. A large gear 6 is installed inside the outer shell 3. A connecting shell 7 is fixedly connected to the outer wall of the large gear 6. A clamping block 8 is slidably connected to the inner wall of the connecting shell 7. A clamping pad 9 is fixedly connected to the outer wall of the clamping block 8. A sliding rod 34 is slidably connected to the inner wall of the clamping block 8 to limit the movement direction of the clamping block 8. Both ends of the sliding rod 34 are fixedly connected to the inner wall of the connecting shell 7. A bidirectional lead screw 11 is rotatably connected to the inner wall of the connecting shell 7 to convert the rotational movement of the knob 10 into the opposite linear movement of the two clamping blocks 8. The inner wall of the clamping block 8 is threadedly connected to the outer wall of the bidirectional lead screw 11. A knob 10 is fixedly connected to one end of the bidirectional lead screw 11. The connecting assembly includes a locking block 30 and a slot 29. A laser gun 27 is mounted on the outside of the first connecting block 25. A second connecting block 28 is fixedly connected to the outer wall of the laser gun 27, serving as a transition component connecting the laser gun 27 and the first connecting block 25. The slot 29 is formed through the outer wall of the second connecting block 28. The outer wall of the locking block 30 is slidably connected to the inner wall of the first connecting block 25. The locking block 30 can be fully inserted into the slot 29 from one side, ensuring contact and locking between the locking block 30 and the slot 29. A button 31 is fixedly connected to one end of the locking block 30. A second connecting rod 32 is slidably connected to the inner wall of the locking block 30, guiding the sliding of the locking block 30 and ensuring that the locking block 30 moves in a straight line. Both ends of the second connecting rod 32 are fixedly connected to the inner wall of the first connecting block 25. A first spring 33 is sleeved on the outer wall of the second connecting rod 32. Both ends of spring 33 abut against the outer wall of locking block 30. An annular toothed groove 12 is formed on the outer wall of the bidirectional lead screw 11. The annular toothed groove 12 matches the tooth shape of locking tooth 16. The interlocking of the teeth prevents the bidirectional lead screw 11 from rotating. A connecting rod 13 is slidably connected to the inner wall of the connecting shell 7. One end of the connecting rod 13 is fixedly connected to locking tooth 16, which engages with the annular toothed groove 12 to prevent the bidirectional lead screw 11 from rotating. A handle 14 is fixedly connected to the other end of the connecting rod 13. A locking rod 15 is fixedly connected to the outer wall of the connecting rod 13. The diameter of the locking rod 15 matches the width of the cross groove 17, allowing it to be inserted into different positions in the cross groove 17 to fix the position of the connecting rod 13 and prevent accidental disengagement or engagement of locking tooth 16. A cross groove 17 is formed inside the connecting shell 7.The clamping rod 15 is located inside the cross groove 17. A spring 35 is fitted on the outer wall of the connecting rod 13, which in its natural state pushes the clamping tooth 16 to tightly mesh with the annular tooth groove 12. One end of the spring 35 is fixedly connected to the outer wall of the clamping tooth 16, and the other end is fixedly connected to the inner wall of the connecting shell 7. A square hole 18 is provided through the outer wall of the large gear 6 to allow the pipe to be processed to pass through. A small gear 4 is provided inside the base 1, meshing with the large gear 6. A motor 5 is provided inside the base 1, and its output end is fixedly connected to the inner wall of the small gear 4, enabling the clamping components to rotate the clamped pipe for easy cutting. The upper surface of the bridge 19 is... A slide rail 20 is provided, with a slider 21 slidably connected to the inner wall of the slide rail 20. The upper surface of the slider 21 is fixedly connected to the lower surface of the moving block 36. A rack 23 is fixedly connected to the upper surface of the bridge frame 19. A spur gear 24 is provided inside the moving block 36, and the rack 23 meshes with the spur gear 24. A second motor 22 is provided inside the moving block 36, and the output end of the second motor 22 is fixedly connected to the inner wall of the spur gear 24, enabling horizontal movement and precise positioning of the moving block 36. A hydraulic rod 26 is fixedly connected to the inner wall of the moving block 36, and the output end of the hydraulic rod 26 is fixedly connected to the upper surface of the first connecting block 25, enabling the raising and lowering of the first connecting block 25 and the laser gun 27.

[0028] Working principle: When using this type of metal frame laser cutting machine, between the two clamping blocks 8, rotating the knob 10 drives the bidirectional lead screw 11 to rotate, causing the symmetrically distributed clamping blocks 8 to slide synchronously in the opposite direction along the slide bar 34, so that the clamping pad 9 clamps the workpiece. At this time, the spring 2 35 pushes the locking tooth 16 at the end of the connecting rod 13 to engage in the annular tooth groove 12 of the bidirectional lead screw 11 to achieve self-locking. If it is necessary to adjust the clamping force, press the handle 14 to make the locking rod 15 slide along the cross groove 17 to release the lock. Then, start the motor 5 in the base 1 to drive the small gear 4 to rotate. Through the meshing with the large gear 6 in the outer shell 3 and the torque transmission through the square hole 18, the workpiece is clamped. When the moving connecting shell 7 and the workpiece are rotated to the cutting angle, the laser gun 27 is connected through the quick-release assembly. Pressing the button 31 drives the locking block 30 to slide along the connecting rod 2 32 and compress the spring 1 33, so that the locking block 30 disengages from the slot 29 of the connecting block 2 28, and the laser gun 27 can be disassembled or installed. After releasing the button 31, the spring 1 33 automatically resets and locks. During cutting, the motor 2 22 drives the spur gear 24 to rotate. Through the meshing of the rack 23 on the bridge 19 connected to the frame 2, the slider 21 at the bottom of the moving block 36 moves along the slide rail 20. At the same time, the hydraulic rod 26 adjusts the height of the connecting block 1 25 to achieve three-dimensional precise positioning of the laser gun 27.

[0029] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A metal skeleton laser cutting machine, comprising a base (1), characterized in that: A frame (2) is fixedly connected to the upper surface of the base (1). A bridge (19) is fixedly connected to the outer wall of the frame (2). A moving block (36) is slidably connected to the outer wall of the bridge (19). A connecting block (25) is slidably connected to the inner wall of the moving block (36). A connecting component is provided inside the connecting block (25). A shell (3) is fixedly connected to the upper surface of the base (1). A clamping component is provided inside the shell (3). The clamping assembly includes a clamping block (8) and a clamping pad (9). A large gear (6) is provided inside the outer shell (3). A connecting shell (7) is fixedly connected to the outer wall of the large gear (6). A clamping block (8) is slidably connected to the inner wall of the connecting shell (7). A clamping pad (9) is fixedly connected to the outer wall of the clamping block (8). A slide rod (34) is slidably connected to the inner wall of the clamping block (8). Both ends of the slide rod (34) are fixedly connected to the inner wall of the connecting shell (7). A bidirectional lead screw (11) is rotatably connected to the inner wall of the connecting shell (7). The inner wall of the clamping block (8) is threadedly connected to the outer wall of the bidirectional lead screw (11). A knob (10) is fixedly connected to one end of the bidirectional lead screw (11).

2. The metal skeleton laser cutting machine according to claim 1, characterized in that: The connecting component includes a locking block (30) and a slot (29). A laser gun (27) is provided on the outside of the first connecting block (25). A second connecting block (28) is fixedly connected to the outer wall of the laser gun (27). The slot (29) is opened through the outer wall of the second connecting block (28). The outer wall of the locking block (30) is slidably connected to the inner wall of the first connecting block (25). A button (31) is fixedly connected to one end of the locking block (30).

3. A metal skeleton laser cutting machine according to claim 2, characterized in that: The inner wall of the card block (30) is slidably connected to a second connecting rod (32), both ends of which are fixedly connected to the inner wall of the first connecting block (25). The outer wall of the second connecting rod (32) is fitted with a first spring (33), both ends of which abut against the outer wall of the card block (30).

4. A metal skeleton laser cutting machine according to claim 1, characterized in that: The outer wall of the bidirectional lead screw (11) is provided with an annular toothed groove (12). The inner wall of the connecting shell (7) is slidably connected to a connecting rod (13). One end of the connecting rod (13) is fixedly connected to a locking tooth (16), which meshes with the annular toothed groove (12). The other end of the connecting rod (13) is fixedly connected to a handle (14). The outer wall of the connecting rod (13) is fixedly connected to a locking rod (15). The inside of the connecting shell (7) is provided with a cross groove (17), and the locking rod (15) is located inside the cross groove (17).

5. A metal skeleton laser cutting machine according to claim 4, characterized in that: A second spring (35) is sleeved on the outer wall of the connecting rod (13). One end of the second spring (35) is fixedly connected to the outer wall of the tooth (16), and the other end of the second spring (35) is fixedly connected to the inner wall of the connecting shell (7).

6. A metal skeleton laser cutting machine according to claim 1, characterized in that: The outer wall of the large gear (6) is provided with a square hole (18). The base (1) is provided with a small gear (4), which meshes with the large gear (6). The base (1) is provided with a motor (5), and the output end of the motor (5) is fixedly connected to the inner wall of the small gear (4).

7. A metal skeleton laser cutting machine according to claim 2, characterized in that: The upper surface of the bridge frame (19) is provided with a slide rail (20), and a slider (21) is slidably connected to the inner wall of the slide rail (20). The upper surface of the slider (21) is fixedly connected to the lower surface of the moving block (36). A rack (23) is fixedly connected to the upper surface of the bridge frame (19). A spur gear (24) is provided inside the moving block (36), and the rack (23) meshes with the spur gear (24).

8. A metal skeleton laser cutting machine according to claim 7, characterized in that: The moving block (36) is equipped with a second motor (22), the output end of which is fixedly connected to the inner wall of the spur gear (24). The inner wall of the moving block (36) is fixedly connected to a hydraulic rod (26), the output end of which is fixedly connected to the upper surface of the connecting block (25).

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