Laser cutting device for metal cutting

Abstract

The invention relates to the technical field of laser cutting, in particular to a metal cutting laser cutting device which comprises a workbench, a portal frame, a longitudinal moving mechanism, a laser cutter, a transverse moving mechanism, a plurality of pressing assemblies, a plurality of supporting assemblies and an adjusting assembly. The supporting assembly comprises a tooth row plate, the workbench is provided with a plurality of inserting grooves, and the tooth row plate is connected with the inserting grooves in an inserted mode. The portal frame is installed on the workbench through the longitudinal moving mechanism, and the laser cutter is installed on the portal frame through the transverse moving mechanism. The adjusting assembly comprises a first telescopic rod, a power block and movable protruding blocks, wherein the number of the movable protruding blocks is two times that of the tooth row plates, and the first telescopic rod is arranged on one side of the portal frame. The tooth row plate firstly moves downwards and then translates, so that the upper end plane of the tooth row plate is far away from the cutting position, laser is prevented from possibly damaging the plane of the tooth row plate, molten substances are prevented from remaining on the plane of the tooth row plate, and the cutting quality is improved.

Description

Technical Field

[0001] This application relates to the field of laser cutting technology, and in particular to a laser cutting device for metal cutting. Background Technology

[0002] Laser cutting uses an optical system to focus a laser beam generated by a laser into a high-power-density spot, which is then applied to the surface of the workpiece. This causes the material to melt, vaporize, or reach its ignition point rapidly. Simultaneously, a high-speed airflow coaxial with the laser beam blows away the molten material, thus achieving the cutting process. During cutting, the workpiece needs to be placed on a toothed plate.

[0003] Currently, Chinese invention patent application CN118808932B, published on February 7, 2025, discloses a sheet metal laser cutting machine, which includes the following structure: a machine tool frame, a gantry mounted on the outside of the machine tool frame, and a laser mounted on the gantry; two crossbars rotatably mounted on both sides of the machine tool frame, with several toothed plates fixedly mounted on the two crossbars; and two sets of adjustment seats, which are respectively distributed on both sides of the machine tool frame. Each set of adjustment seats consists of several adjustment seats, and a limiting rod that abuts against the toothed plates is fixed between the several adjustment seats. A transmission unit is mounted on the several adjustment seats.

[0004] After the board is cut, a lifting mechanism moves several adjusting seats upward to lift the cut waste board. At the same time, personnel place the new board onto the transmission unit. The transmission unit then drives the waste board away and the new board is transported to the cutting area. The board is then lowered and placed onto the toothed plate for easy laser cutting.

[0005] Regarding the aforementioned technologies, if the cutting point is located at the upper plane of the toothed plate during cutting, the laser may damage the plane of the toothed plate, and molten material may also remain on the plane of the toothed plate, causing its surface to be uneven, which may cause subsequent workpieces to tilt slightly and affect the cutting quality. Summary of the Invention

[0006] This application provides a laser cutting device for metal cutting, wherein the toothed plate moves downward first and then horizontally, so that its upper surface is away from the cutting area, thereby avoiding potential damage to the surface of the toothed plate by the laser and preventing molten material from remaining on the surface of the toothed plate, thus improving the cutting quality.

[0007] A laser cutting device for metal cutting, comprising: Worktable, gantry frame, longitudinal moving mechanism, laser cutter, transverse moving mechanism, several clamping components, several supporting components, and adjusting components; The support assembly includes a toothed plate, and the worktable is provided with a plurality of slots, into which the toothed plate is inserted; The gantry frame is mounted on the worktable via the longitudinal moving mechanism, and the laser cutter is mounted on the gantry frame via the transverse moving mechanism; The adjustment assembly includes a first telescopic rod, a power block, and movable protrusions in numbers twice that of the toothed plates. The first telescopic rod is disposed on one side of the gantry frame, the power block is disposed at the free end of the first telescopic rod, and the movable protrusions are disposed at the end of the toothed plates. The power block is provided with a first pushing surface and a pushing and holding surface, and the pushing and holding surface is directly opposite the laser head of the laser cutter.

[0008] By adopting the above technical solution, the metal sheet is placed on the toothed plate, contacting the upper plane of the toothed plate. The longitudinal movement mechanism is controlled to move the gantry, lateral movement mechanism, laser cutter, and adjustment components backwards from the worktable. The longitudinal movement mechanism is also controlled to move the laser cutter to a designated position, controlling its operation and movement to achieve laser cutting of the metal sheet in a direction perpendicular to the toothed plate. When the cutting point is at the upper plane of the toothed plate, the first telescopic rod is fully extended, driving the power block to move. After the first pushing surface contacts one side of the moving protrusion, it drives that side of the moving protrusion to move. This side of the moving protrusion drives the toothed plate to move along the slot, and the toothed plate drives the other side of the moving protrusion to move, moving the upper plane of the toothed plate away from the cutting area. Then, the pushing and holding surface contacts the side of the moving protrusion. The longitudinal moving mechanism enables the gantry, laser cutter, and adjusting components to move in a direction perpendicular to the toothed plate, facilitating the laser cutter to cut metal sheets in a direction perpendicular to the toothed plate. It also ensures that the adjusting components are positioned to match the toothed plate. When the cutting point is on the upper surface of the toothed plate, the first telescopic rod operates, pushing the toothed plate to move. This prevents the laser from damaging the plane of the toothed plate, and also prevents molten material from remaining on the plane of the toothed plate. This protects the toothed plate from unevenness and ensures cutting quality.

[0009] Optionally, the adjustment assembly further includes a second telescopic rod and a reset block. The second telescopic rod is disposed on the gantry frame, and the reset block is disposed at the free end of the second telescopic rod, facing the power block. The reset block is provided with a first recovery surface and a recovery holding surface.

[0010] By adopting the above technical solution, the second telescopic rod extends fully simultaneously with the first telescopic rod. While pushing the retaining surface to contact one side of the moving protrusion, it simultaneously restores the retaining surface to contact the other side of the moving protrusion. Simultaneously, it pushes the retaining surface out of contact with one side of the moving protrusion and restores it to contact the other side of the moving protrusion. The first restored surface then contacts the other side of the moving protrusion, causing it to move and thus resetting the toothed plate. This repositions it for subsequent cutting operations. The entire process achieves dynamic avoidance and automatic resetting of the toothed plate during continuous cutting, protecting the toothed plate and ensuring the consistency and efficiency of the cutting process.

[0011] Optionally, the power block is further provided with a second pushing surface, and the reset block is further provided with a second restoring surface, wherein the first pushing surface and the second restoring surface are symmetrically arranged, and the second pushing surface and the first restoring surface are symmetrically arranged.

[0012] By adopting the above technical solution, when the laser cutter moves in the reverse direction and the cutting point is at the upper plane of the toothed plate, the first and second telescopic rods are fully extended, driving the power block and the reset block to move. When the second pushing surface contacts one side of the moving protrusion, it drives the other side of the moving protrusion to move. The other side of the moving protrusion drives the toothed plate to move along the slot. The toothed plate drives the other side of the moving protrusion to contact and move along the first recovery surface, so that the upper plane of the toothed plate moves away from the cutting area. The second pushing surface and the first recovery surface disengage from the moving protrusion. Then, the pushing and holding surface contacts one side of the moving protrusion and moves, while the recovery and holding surface contacts one side of the moving protrusion and moves. When the pushing and holding surface and the recovery and holding surface disengage from the moving protrusion, the second recovery surface contacts and drives the other side of the moving protrusion to move, causing the toothed plate to move, so that one side of the moving protrusion contacts the first pushing surface, until the second recovery surface and the first pushing surface disengage from the moving protrusion, and the toothed plate resets. This achieves bidirectional continuous cutting by the laser cutter, improving cutting efficiency.

[0013] Optionally, the power block is further provided with a first pushing contact surface and a second pushing contact surface, and the reset block is further provided with a first reset contact surface and a second reset contact surface. The first pushing contact surface is located on the side of the first pushing surface away from the pushing holding surface, and the second pushing contact surface is located on the side of the second pushing surface away from the pushing holding surface. The first reset contact surface is located on the side of the first recovery surface away from the recovery holding surface, and the second reset contact surface is located on the side of the second recovery surface away from the recovery holding surface.

[0014] Taking the movement of the laser cutter towards the rear of the worktable as an example, the above technical solution is adopted. When the cutting point is on the upper plane of the toothed plate, the first and second telescopic rods are extended. The first pushing contact surface is pressed against one side of the moving protrusion, and the second reset contact surface is pressed against the other side of the moving protrusion. Then, when the first pushing surface contacts and drives one side of the moving protrusion to move, the other side of the moving protrusion contacts the second reset surface, realizing the movement of the toothed plate. Then, the pushing holding surface contacts one side of the moving protrusion, and the reset holding surface contacts one side of the moving protrusion, realizing the position of the toothed plate. Then, the first reset surface contacts and drives the other side of the moving protrusion to move, so that one side of the moving protrusion contacts the second pushing surface, realizing the reset of the toothed plate. Finally, the second pushing contact surface and the first reset contact surface are pressed against the moving protrusion. This avoids the moving protrusions from overshooting their initial position due to inertia during reset, which would lead to inaccurate reset of the toothed plate.

[0015] Optionally, the support assembly further includes two insert blocks and two unlocking rods. Both ends of the toothed plate are provided with horizontal slots. The worktable is provided with guide slots corresponding to each of the horizontal slots. The insert blocks are inserted into the guide slots and the horizontal slots. The unlocking rods are provided on the insert blocks. The power block and the reset block are respectively provided with a first inlet / outlet groove, a first draw slot, a retaining groove, a second draw slot, and a second inlet / outlet groove. The unlocking rod is slidably disposed in the first inlet / outlet groove, the first draw slot, the retaining groove, the second draw slot, and the second inlet / outlet groove. The power block and the reset block are respectively provided with a first contact groove, a first lifting groove, a lifting holding groove, a second lifting groove and a second contact groove; the movable protrusion is slidably disposed in the area composed of the first contact groove, the first lifting groove, the lifting holding groove, the second lifting groove and the second contact groove.

[0016] Taking the movement of the laser cutter towards the rear of the worktable as an example, the above technical solution is adopted. When the cutting point is at the upper plane of the toothed plate, the first and second telescopic rods are extended. The first pushing contact surface is pressed against one side of the moving protrusion, and the second reset contact surface is pressed against the other side of the moving protrusion. At the same time, the unlocking rod first enters the first inlet / outlet slot, and the moving protrusion enters the first contact slot. Then, the unlocking rod enters the first draw slot, driving the unlocking rod to move away from the toothed plate. The unlocking rod drives the insert block to move along the horizontal slot and the guide slot. After the unlocking rod enters the retaining slot, the insert block disengages from the horizontal slot and stays in the guide slot. Then, the moving protrusion enters the first lifting slot, which forces the moving protrusion to move downward. The moving protrusion drives the toothed plate to move downward. The lifting hemisphere moves to the middle position of the first lifting slot, and the first pushing surface contacts and drives one side of the moving protrusion to move, so that the other side of the moving protrusion contacts the second reset surface, realizing the movement of the toothed plate. When the middle position of the first pushing surface contacts one side of the moving protrusion, the moving protrusion enters the lifting retaining slot, realizing the height maintenance of the toothed plate. Then, the moving protrusion on the side of the retaining surface is pushed and restored to its original position; simultaneously, the position of the toothed plate is maintained. Then, the first restored surface contact moves the moving protrusion on the other side, causing it to contact the second pushing surface, thus resetting the toothed plate. When the middle position of the second pushing surface contacts the moving protrusion on one side, the moving protrusion enters the second lifting groove, forcing it to move upwards. The moving protrusion moves to the middle position of the second lifting groove, with the second pushing contact surface and the first reset contact surface tightly against it. Then, the moving protrusion enters the second contact groove, resetting the toothed plate. Then, the unlocking rod enters the second slot, moving it closer to the toothed plate, resetting the insert. Then, the unlocking rod enters the second inlet / outlet groove. The moving protrusion disengages from the first pushing contact surface and the second reset contact surface, tightly contacting the moving protrusion on the other side. Simultaneously, the unlocking rod disengages from the second inlet / outlet groove, and the moving protrusion disengages from the second contact groove.

[0017] When the cutting point is at the upper plane of the toothed plate, the movement of related components is controlled, causing the toothed plate to move downwards first, and then away from the cutting point, resetting after cutting. This avoids the toothed plate moving directly along the surface of the metal sheet, and also prevents contact with thin metallic patterns on some metal sheets, thus avoiding damage to the metal surface and improving cutting quality. The entire process achieves dynamic avoidance and automatic resetting of the toothed plate during continuous cutting, protecting the toothed plate and ensuring the consistency and efficiency of the cutting process.

[0018] Optionally, the adjustment assembly further includes a lifting hemisphere twice the number of the movable protrusions, the lifting hemisphere being disposed at the end of the movable protrusion; the lifting hemisphere is slidably disposed within the area composed of the first contact groove, the first lifting groove, the lifting holding groove, the second lifting groove and the second contact groove, and the width of the horizontal slot is greater than the thickness of the insert.

[0019] By adopting the above technical solution, the lifting hemisphere is slightly lifted upon entering the first contact groove. The lifting hemisphere moves along the area composed of the first contact groove, the first lifting groove, the lifting holding groove, the second lifting groove, and the second contact groove, driving the moving protrusion and the toothed plate to move along the height direction. After the lifting hemisphere is slightly lifted, the toothed plate rises slightly and disengages from the insert block, making it easier to remove the insert block.

[0020] Optionally, the support assembly further includes two compression springs, one end of which is connected to the worktable and the other end of which is connected to the insert block.

[0021] By adopting the above technical solution, the compression spring can provide continuous elastic pressure to the insert, ensuring stable contact and positioning during operation. When subjected to external vibration or positional changes, the compression spring can buffer the impact through its own deformation, preventing the insert from dislodging from the horizontal slot.

[0022] Optionally, the ends of the first inlet / outlet slot and the second inlet / outlet slot are rounded.

[0023] By adopting the above technical solution, the arc transition structure at the inlet of the slot can guide the introduction of the unlocking rod, making it smoother and more accurate when entering or leaving the slot, thereby reducing the risk of interference and jamming during the positioning process.

[0024] Optionally, the longitudinal moving mechanism includes a longitudinal rack and a longitudinal drive gear. The longitudinal rack is disposed on the worktable, the gear of the longitudinal drive gear meshes with the longitudinal rack, the longitudinal drive gear is disposed on the gantry frame, and the gantry frame is slidably disposed on the worktable.

[0025] Optionally, the device may also include several clamping components, including a positioning block, a clamping telescopic rod, and a clamping block. The positioning block is disposed on the worktable, the clamping telescopic rod is disposed on the positioning block, and the clamping block is disposed at the free end of the clamping telescopic rod.

[0026] By adopting the above technical solution, when the metal plate is placed on the toothed plate, one side of it contacts the positioning block, and the clamping telescopic rod is controlled to retract, so that the clamping block and the toothed plate clamp the metal plate. This achieves the positioning and clamping of the metal plate, creating convenient conditions for subsequent high-precision and high-efficiency cutting operations, while also helping to improve cutting quality and operational safety.

[0027] In summary, this application includes at least one of the following beneficial technical effects: 1. The toothed plate of this invention can move along its length and height. When the cutting point is on the upper plane of the toothed plate, the movement of related components is controlled, causing the toothed plate to move downwards first, and then away from the cutting point, resetting after cutting. This avoids direct movement along the surface of the metal plate, and since some metal plates have thin metallic patterns, it avoids contact with these patterns, preventing damage to the metal plate surface and improving cutting quality. The entire process achieves dynamic avoidance and automatic resetting of the toothed plate during continuous cutting, protecting the toothed plate and ensuring the consistency and efficiency of the cutting process.

[0028] 2. This invention centrally integrates the pushing and holding surfaces that drive the toothed plate along its length, the contact groove, lifting groove, and holding groove that move along its height, and the entry / exit groove, extraction groove, and holding groove that enable the movement of the insertion block, all located on the power block and reset block. This achieves a high degree of structural integration and functional optimization. It not only simplifies the overall layout of the transmission mechanism and reduces assembly complexity but also significantly improves the stability and reliability of motion transmission, thus enhancing the overall performance of the device. Attached Figure Description

[0029] Figure 1 This is a three-dimensional structural diagram of an embodiment of this application; Figure 2 This is an embodiment of the present application. Figure 1 A magnified view of part A in the image; Figure 3 This is a partial three-dimensional structural schematic diagram of an embodiment of this application; Figure 4 This is a partial exploded view of an embodiment of this application; Figure 5 This is a schematic diagram showing the positions of the longitudinal and lateral moving mechanisms according to an embodiment of this application; Figure 6 This is a schematic diagram of the power block structure according to an embodiment of this application; Figure 7 This is a schematic diagram of the reset block structure according to an embodiment of this application; Figure 8 This is a schematic diagram of the toothed plate movement preparation according to an embodiment of this application; Figure 9 This is a schematic diagram of the toothed plate position holding power block side according to an embodiment of this application; Figure 10 This is a schematic diagram of the toothed plate position holding and reset block side according to an embodiment of this application.

[0030] Figure label: 100. Worktable; 110. Positioning plate; 111. Slot; 112. Guide slot; 120. Connecting seat; 200. Gantry frame; 300. Longitudinal moving mechanism; 310. Longitudinal rack; 320. Longitudinal drive gear; 400. Laser cutter; 500. Clamping assembly; 510. Positioning block; 520. Clamping telescopic rod; 530. Clamping block; 600. Lateral movement mechanism; 610. Lateral rack; 620. Lateral drive gear; 700, Support assembly; 710, Toothed plate; 711, Horizontal slot; 720, Insert block; 730, Unlocking lever; 740, Compression spring; 800. Adjustment component; 810. First telescopic rod; 820. Power block; 821. First pushing contact surface; 822. First pushing surface; 823. Push holding surface; 824. Second pushing surface; 825. Second pushing contact surface; 830. Second telescopic rod; 840. Reset block; 841. First reset contact surface; 842. First recovery surface; 843. Recovery holding surface; 844. Second recovery surface; 845. Second reset contact surface; 851. First inlet / outlet slot; 852. First drawer slot; 853. Holding slot; 854. Second drawer slot; 855. Second inlet / outlet slot; 861. First contact slot; 862. First lifting slot; 863. Lifting holding slot; 864. Second lifting slot; 865. Second contact slot; 870. Moving protrusion; 880. Lifting hemisphere; 900. Adjustable feet. Detailed Implementation

[0031] The following combination Figures 1 to 10 This application will be described in further detail.

[0032] refer to Figure 1This embodiment provides a laser cutting device for metal cutting, the overall structure of which includes: a worktable 100, a gantry frame 200, a longitudinal moving mechanism 300, a laser cutter 400, several clamping components 500, a transverse moving mechanism 600, several supporting components 700, an adjusting component 800, and adjustable feet 900. The adjustable feet 900 are installed at the bottom of the worktable 100, the gantry frame 200 is mounted on the worktable 100 via the longitudinal moving mechanism 300, and the laser cutter 400 is mounted on the gantry frame 200 via the transverse moving mechanism 600. The clamping components 500 are installed on one side of the worktable 100, the supporting components 700 are mounted on the worktable 100, and the adjusting components 800 are mounted on the gantry frame 200. By providing adjustable feet 900, the height and level of the worktable 100 can be flexibly adjusted during use to adapt to different ground conditions or usage requirements. The support component 700 supports the metal sheet, and the clamping component 500 positions and fixes the metal sheet. The longitudinal moving mechanism 300 moves the gantry 200, laser cutter 400, and adjusting component 800 along the length of the worktable 100, allowing the laser cutter 400 to cut the metal sheet along its length. The transverse moving mechanism 600 moves the laser cutter 400 along the width of the worktable 100, allowing it to cut the metal sheet along its width. When the cutting point is at the upper plane of the toothed plate 710, the adjusting component 800 operates, causing the upper plane of the toothed plate 710 to detach from the cutting area. This prevents potential damage to the plane of the toothed plate by the laser and avoids molten material remaining on the plane of the toothed plate, thus improving cutting quality.

[0033] refer to Figures 2 to 4 The workbench 100 includes symmetrically arranged positioning plates 110 and connecting seats 120 in number twice that of the toothed plates 710. The positioning plates 110 are provided with slots 111 and guide slots 112 in the same number as the toothed plates 710. The positioning plates 110 are mounted on the table surface of the workbench 100, and the connecting seats 120 are mounted on the positioning plates 110.

[0034] refer to Figure 5The longitudinal moving mechanism 300 consists of two sets, symmetrically installed, including a longitudinal rack 310 and a longitudinal drive gear 320. The longitudinal rack 310 is mounted on the worktable 100, and the gear of the longitudinal drive gear 320 meshes with the longitudinal rack 310. The longitudinal drive gear 320 is mounted on the gantry frame 200, which is slidably mounted on the worktable 100. The longitudinal drive gear 320 can be a combination of a longitudinal motor and a longitudinal gear. The longitudinal motor is mounted on the gantry frame 200, and the longitudinal gear is mounted on the output shaft of the longitudinal motor. When the longitudinal motor rotates, the gear rotates. When the longitudinal drive gear 320 is working, its gear meshes with the longitudinal rack 310, driving the longitudinal drive gear 320 to move, thereby moving the gantry frame 200. The gantry frame 200 drives the transverse moving mechanism 600, the laser cutter 400, and the adjusting component 800 to move, facilitating the longitudinal cutting of metal sheets by the laser cutter 400 and facilitating the movement of the support component 700 by the adjusting component 800.

[0035] refer to Figure 5 The lateral moving mechanism 600 includes a lateral rack 610 and a lateral drive gear 620. The lateral rack 610 is mounted on the gantry frame 200. The gear of the lateral drive gear 620 meshes with the lateral rack 610. The lateral drive gear 620 is mounted on the gantry frame 200, and the laser cutter 400 is slidably mounted on the gantry frame 200. The lateral drive gear 620 has a similar structure to the longitudinal drive gear 320. When the lateral drive gear 620 is working, its gear meshes with the lateral rack 610, driving the lateral drive gear 620 to move, thereby enabling the laser cutter 400 to laterally cut metal sheets.

[0036] refer to Figure 4 The support assembly 700 includes a toothed plate 710, two insert blocks 720, two unlocking rods 730, and two compression springs 740. The toothed plate 710 is inserted into the slot 111, and both ends of the toothed plate 710 are provided with horizontal slots 711. The insert blocks 720 are inserted into the guide slot 112 and the horizontal slots 711. The unlocking rods 730 are mounted on the insert blocks 720. One end of the compression spring 740 is connected to the worktable 100, and the other end is connected to the insert block 720.

[0037] refer to Figure 6 and 7The adjusting assembly 800 includes a first telescopic rod 810, a power block 820, a second telescopic rod 830, a reset block 840, movable protrusions 870 (twice the number of the toothed plate 710), and lifting hemispheres 880 (twice the number of the movable protrusions 870). The first telescopic rod 810 is installed on the side of the gantry frame 200 near the pressing assembly 500. The power block 820 is installed on the free end of the first telescopic rod 810. The second telescopic rod 830 is installed on the other side of the gantry frame 200. The reset block 840 is installed on the free end of the second telescopic rod 830, directly opposite the power block 820. The movable protrusions 870 are installed on the toothed plate 710. At the end of 0, the lifting hemisphere 880 is installed at the end of the moving protrusion 870; the power block 820 is provided with a first pushing contact surface 821, a first pushing surface 822, a pushing holding surface 823, a second pushing surface 824, and a second pushing contact surface 825, the pushing holding surface 823 facing the laser head of the laser cutter 400; the reset block 840 is provided with a first reset contact surface 841, a first recovery surface 842, a recovery holding surface 843, a second recovery surface 844, and a second reset contact surface 845; the first pushing surface 822 and the second recovery surface 844 are symmetrically arranged, and the second pushing surface 824 and the first recovery surface 842 are symmetrically arranged; the first A pushing contact surface 821 is disposed on the side of the first pushing surface 822 away from the pushing holding surface 823; a second pushing contact surface 825 is disposed on the side of the second pushing surface 824 away from the pushing holding surface 823; a first reset contact surface 841 is disposed on the side of the first reset surface 842 away from the reset holding surface 843; a second reset contact surface 845 is disposed on the side of the second reset surface 844 away from the reset holding surface 843; the power block 820 and the reset block 840 are respectively provided with a first inlet / outlet slot 851, a first draw slot 852, a holding slot 853, a second draw slot 854, and a second inlet / outlet slot 855; the unlocking rod 73 The first inlet / outlet slot 851, the first drawer slot 852, the retaining slot 853, the second drawer slot 854, and the second inlet / outlet slot 855 are slidably disposed within them; the power block 820 and the reset block 840 are respectively provided with a first contact slot 861, a first lifting slot 862, a lifting retaining slot 863, a second lifting slot 864, and a second contact slot 865; the ends of the first inlet / outlet slot 851 and the second inlet / outlet slot 855 are rounded; the lifting hemisphere 880 is slidably disposed within the area formed by the first contact slot 861, the first lifting slot 862, the lifting retaining slot 863, the second lifting slot 864, and the second contact slot 865.

[0038] refer to Figures 8 to 10Taking the movement of the laser cutter 400 towards the rear of the worktable as an example, when the cutting point is at the upper plane of the toothed plate, the first telescopic rod 810 and the second telescopic rod 830 are extended. The first pushing contact surface 821 is in close contact with one side of the moving protrusion 870, and the second reset contact surface 845 is in close contact with the other side of the moving protrusion 870. At the same time, the unlocking rod 730 first enters the first inlet / outlet slot 851, and at the same time, the lifting hemisphere 880 enters the first contact slot 861. After the lifting hemisphere 880 is slightly lifted, the unlocking rod 730 enters the first draw-out slot 852, driving the unlocking rod 730 to move away from the toothed plate 710. The unlocking rod 730 drives the insert block 720 to move along the horizontal slot 711 and the guide slot 112. After the unlocking rod 730 enters the holding slot 853, the insert block 720 disengages from the horizontal slot 711 and stays in the guide slot 112. Then, the lifting hemisphere 880 enters the first lifting groove 862, which forces the lifting hemisphere 880 to move downwards. The lifting hemisphere 880 drives the moving protrusion 870 to move downwards, which in turn drives the toothed plate 710 to move downwards. When the lifting hemisphere 880 reaches the middle position of the first lifting groove 862, the first pushing surface 822 contacts and drives one side of the moving protrusion 870 to move, causing the other side of the moving protrusion 870 to contact the second restoring surface 844, thus moving the toothed plate 710. When the middle position of the first pushing surface 822 contacts one side of the moving protrusion 870, the lifting hemisphere 880 enters the lifting holding groove 863, thus maintaining the height of the toothed plate 710. Then, the pushing holding surface 823 contacts one side of the moving protrusion 870, and the restoring holding surface 843 contacts one side of the moving protrusion 870; simultaneously, the position of the toothed plate 710 is maintained. Then, the first recovery surface 842 contacts and drives the other side moving protrusion 870 to move, causing the one side moving protrusion 870 to contact the second pushing surface 824, thus resetting the toothed plate 710. When the middle position of the second pushing surface 824 contacts the one side moving protrusion 870, the lifting hemisphere 880 enters the second lifting groove 864, forcing the lifting hemisphere 880 to move upward. The lifting hemisphere 880 moves to the middle position of the second lifting groove 864, and the second pushing contact surface 825 and the first recovery contact surface 841 are in close contact with the moving protrusion 870. Then, the lifting hemisphere 880 enters the second contact groove 865, thus resetting the toothed plate 710. Then, the unlocking rod 730 enters the second draw slot 854, driving the unlocking rod 730 to move closer to the toothed plate 710, thus resetting the insert block 720. Then, the unlocking rod 730 enters the second inlet / outlet groove 855. The movable protrusion 870 disengages from the first pushing contact surface and the second reset contact surface 845 and comes into close contact with the other movable protrusion 870. At the same time, the unlocking lever 730 disengages from the second inlet / outlet groove 855, and at the same time, the lifting hemisphere 880 disengages from the second contact groove 865.

[0039] When the cutting point is at the upper plane of the toothed plate, the movement of related components is controlled, causing the toothed plate 710 to move downwards first, and then away from the cutting point, resetting after cutting. This avoids the toothed plate 710 moving directly along the surface of the metal plate, and since some metal plates have thin metal patterns, it avoids contact with these patterns, preventing damage to the metal plate surface and improving cutting quality. The entire process achieves dynamic avoidance and automatic resetting of the toothed plate 710 during bidirectional continuous cutting, protecting the toothed plate 710 and ensuring the consistency and efficiency of the cutting process. The arc transition structure at the slot inlet guides the introduction of the unlocking rod 730, making it smoother and more accurate when entering or exiting the slot, thereby reducing the risk of interference and jamming during positioning. The compression spring 740 provides continuous elastic pressure to the insert block 720, maintaining stable contact and positioning during operation. After the lifting hemisphere 880 is slightly lifted, the toothed plate 710 rises slightly and disengages from the insert block 720, making it easier to pull out the insert block 720.

[0040] refer to Figure 2 The clamping assembly 500 includes a positioning block 510, a clamping telescopic rod 520, and a clamping block 530. The positioning block 510 is mounted on one side of the positioning plate 110, and the clamping telescopic rod 520 is mounted on the positioning block 510. The clamping telescopic rod 520 is a cylinder, and the clamping block 530 is mounted on the free end of the clamping telescopic rod 520. When the metal sheet is placed, one side contacts the positioning block 510. By controlling the retraction of the clamping telescopic rod 520, the clamping block 530 is fixed to the toothed plate 710 to secure the metal sheet, facilitating subsequent cutting.

[0041] The working principle of this embodiment is as follows: When placing the metal sheet, one side contacts the positioning block 510. By controlling the retraction of the clamping telescopic rod 520, the clamping block 530 and the toothed plate 710 are fixed to the metal sheet.

[0042] Let's take the movement of the laser cutter 400 towards the rear of the worktable as an example: When the longitudinal drive gear 320 is working, its gear meshes with the longitudinal rack 310, driving the longitudinal drive gear 320 to move, thereby moving the gantry 200. The gantry 200 then drives the transverse moving mechanism 600, the laser cutter 400, and the adjusting assembly 800 to move, facilitating the longitudinal cutting of metal sheets by the laser cutter 400. When the transverse drive gear 620 is working, its gear meshes with the transverse rack 610, driving the transverse drive gear 620 to move, thereby facilitating the transverse cutting of metal sheets by the laser cutter 400.

[0043] During longitudinal cutting, when the cutting point is on the upper plane of the toothed plate 710, the first telescopic rod 810 and the second telescopic rod 830 are extended. The first pushing contact surface 821 is in close contact with one side of the moving protrusion 870, and the second resetting contact surface 845 is in close contact with the other side of the moving protrusion 870. At the same time, the unlocking rod 730 first enters the first inlet / outlet slot 851, and at the same time, the lifting hemisphere 880 enters the first contact slot 861. Then, the unlocking rod 730 enters the first draw slot 852, driving the unlocking rod 730 to move away from the toothed plate 710. The unlocking rod 730 drives the insert block 720 to move along the horizontal slot 711 and the guide slot 112. After the unlocking rod 730 enters the retaining slot 853, the insert block 720 disengages from the horizontal slot 711 and stays in the guide slot 112. Then, the lifting hemisphere 880 enters the first lifting groove 862, which forces the lifting hemisphere 880 to move downwards. The lifting hemisphere 880 drives the moving protrusion 870 to move downwards, which in turn drives the toothed plate 710 to move downwards. When the lifting hemisphere 880 reaches the middle position of the first lifting groove 862, the first pushing surface 822 contacts and drives one side of the moving protrusion 870 to move, causing the other side of the moving protrusion 870 to contact the second restoring surface 844, thus moving the toothed plate 710. When the middle position of the first pushing surface 822 contacts one side of the moving protrusion 870, the lifting hemisphere 880 enters the lifting holding groove 863, thus maintaining the height of the toothed plate 710. Then, the pushing holding surface 823 contacts one side of the moving protrusion 870, and the restoring holding surface 843 contacts one side of the moving protrusion 870; simultaneously, the position of the toothed plate 710 is maintained. Then, the first recovery surface 842 contacts and drives the other side moving protrusion 870 to move, causing the one side moving protrusion 870 to contact the second pushing surface 824, thus resetting the toothed plate 710. When the middle position of the second pushing surface 824 contacts the one side moving protrusion 870, the lifting hemisphere 880 enters the second lifting groove 864, forcing the lifting hemisphere 880 to move upward. The lifting hemisphere 880 moves to the middle position of the second lifting groove 864, and the second pushing contact surface 825 and the first recovery contact surface 841 are in close contact with the moving protrusion 870. Then, the lifting hemisphere 880 enters the second contact groove 865, thus resetting the toothed plate 710. Then, the unlocking rod 730 enters the second draw slot 854, driving the unlocking rod 730 to move closer to the toothed plate 710, thus resetting the insert block 720. Then, the unlocking rod 730 enters the second inlet / outlet groove 855. The movable protrusion 870 disengages from the first pushing contact surface and the second reset contact surface 845 and comes into close contact with the other movable protrusion 870. At the same time, the unlocking lever 730 disengages from the second inlet / outlet groove 855, and at the same time, the lifting hemisphere 880 disengages from the second contact groove 865.

[0044] The above are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A laser cutting device for metal cutting, characterized in that, include: Workbench (100), gantry frame (200), longitudinal moving mechanism (300), laser cutter (400), transverse moving mechanism (600), several clamping components (500), several support components (700) and adjusting components (800); The support assembly (700) includes a toothed plate (710), and the worktable (100) is provided with a plurality of slots (111), into which the toothed plate (710) is inserted. The gantry (200) is mounted on the workbench (100) via the longitudinal moving mechanism (300), and the laser cutter (400) is mounted on the gantry (200) via the transverse moving mechanism (600); The adjustment assembly (800) includes a first telescopic rod (810), a power block (820), and movable protrusions (870) twice the number of the toothed plate (710). The first telescopic rod (810) is disposed on one side of the gantry (200), the power block (820) is disposed at the free end of the first telescopic rod (810), and the movable protrusions (870) are disposed at the end of the toothed plate (710). The power block (820) is provided with a first pushing surface (822) and a pushing and holding surface (823), and the pushing and holding surface (823) is directly opposite the laser head of the laser cutter (400).

2. The laser cutting device for metal cutting according to claim 1, characterized in that: The adjustment assembly (800) further includes a second telescopic rod (830) and a reset block (840). The second telescopic rod (830) is disposed on the gantry frame (200), and the reset block (840) is disposed at the free end of the second telescopic rod (840) facing the power block (820). The reset block (840) is provided with a first recovery surface (842) and a recovery holding surface (843).

3. The laser cutting device for metal cutting according to claim 2, characterized in that: The power block (820) is also provided with a second pushing surface (824), and the reset block (840) is also provided with a second recovery surface (844). The first pushing surface (822) and the second recovery surface (844) are symmetrically arranged, and the second pushing surface (824) and the first recovery surface (842) are symmetrically arranged.

4. The laser cutting apparatus for metal cutting according to claim 3, characterized in that: The power block (820) is further provided with a first pushing contact surface (821) and a second pushing contact surface (825), and the reset block (840) is further provided with a first reset contact surface (841) and a second reset contact surface (845). The first pushing contact surface (821) is located on the side of the first pushing surface (822) away from the pushing holding surface (823), and the second pushing contact surface (825) is located on the side of the second pushing surface (824) away from the pushing holding surface (823). The first reset contact surface (841) is located on the side of the first recovery surface (842) away from the recovery holding surface (843), and the second reset contact surface (845) is located on the side of the second recovery surface (844) away from the recovery holding surface (843).

5. The laser cutting apparatus for metal cutting according to claim 3 or 4, characterized in that: The support assembly (700) further includes two inserts (720) and two unlocking rods (730). Both ends of the toothed plate (710) are provided with horizontal slots (711). The worktable (100) is provided with guide slots (112) corresponding to each of the horizontal slots (711). The inserts (720) are inserted into the guide slots (112) and the horizontal slots (711). The unlocking rods (730) are provided on the inserts (720). The power block (820) and the reset block (840) are respectively provided with a first inlet / outlet slot (851), a first draw slot (852), a retaining slot (853), a second draw slot (854), and a second inlet / outlet slot (855). The unlocking rod (730) is slidably disposed in the first inlet / outlet slot (851), the first draw slot (852), the retaining slot (853), the second draw slot (854), and the second inlet / outlet slot (855). The power block (820) and the reset block (840) are respectively provided with a first contact groove (861), a first lifting groove (862), a lifting holding groove (863), a second lifting groove (864) and a second contact groove (865); the movable protrusion (870) is slidably disposed in the area composed of the first contact groove (861), the first lifting groove (862), the lifting holding groove (863), the second lifting groove (864) and the second contact groove (865).

6. The laser cutting apparatus for metal cutting according to claim 5, characterized in that: The adjustment assembly (800) further includes a lifting hemisphere (880) twice the number of the movable protrusions (870), the lifting hemisphere (880) being disposed at the end of the movable protrusions (870); the lifting hemisphere (880) is slidably disposed in the area formed by the first contact groove (861), the first lifting groove (862), the lifting holding groove (863), the second lifting groove (864) and the second contact groove (865), and the width of the horizontal slot (711) is greater than the thickness of the insert (720).

7. The laser cutting apparatus for metal cutting according to claim 5, characterized in that: The support assembly (700) also includes two compression springs (740), one end of which is connected to the worktable (100) and the other end of which is connected to the insert (720).

8. The laser cutting apparatus for metal cutting according to claim 5, characterized in that: The ends of the first inlet / outlet groove (851) and the second inlet / outlet groove (855) are rounded.

9. The laser cutting apparatus for metal cutting according to any one of claims 1-8, characterized in that: It also includes several of the clamping components (500), including a positioning block (510), a clamping telescopic rod (520), and a clamping block (530). The positioning block (510) is disposed on the worktable (100), the clamping telescopic rod (520) is disposed on the positioning block (510), and the clamping block (530) is disposed at the free end of the clamping telescopic rod (520).

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