Laser cutting machine for metal sheets

Abstract

The present invention relates to the technical field of laser cutting machines, and in particular to a laser cutting machine for metal plates, comprising a frame, wherein the frame comprises two sets of vertical plates arranged in parallel, a first support seat arranged below the vertical plates, and a plurality of cross beams fixed between the two sets of vertical plates, first slide rails and first bevel gear rails parallel to each other are arranged above the two sets of vertical plates, a cutting mechanism is slidably connected above the first slide rail, a conveying mechanism is arranged below the cutting mechanism, and the conveying mechanism extends to the outside of the frame; the present invention arranges a conveying mechanism below the cutting mechanism, the conveying mechanism is provided with an upper track and a lower track, a conveying motor drives a first placement component to move on the upper track, the conveying motor drives a second placement component to move on the second track, and at the same time, the conveying motor drives the first placement component and the second placement component to move simultaneously, so that loading and unloading of the plate is more coherent, the conveying efficiency of the conveying mechanism is improved, and thus the working efficiency of the entire laser cutting mechanism is improved.

Description

Technical Field

[0001] The invention belongs to the field of laser cutting machines, and in particular relates to a laser cutting machine for metal plates. Background Art

[0002] Laser cutting is to use the energy released when the laser beam is irradiated onto the surface of the workpiece to melt and evaporate the workpiece to achieve the purpose of cutting and engraving. It has high precision and fast cutting speed, and is not limited to cutting patterns.

[0003] When processing a plate, an existing laser cutting machine first manually places the plate on a workbench, then performs laser cutting, stops the machine after cutting, takes the cut plate off the workbench, and then places a new plate on the workbench to repeat the above steps. This method wastes a lot of time and requires starting or stopping the machine multiple times, resulting in poor continuity of the entire work and low work efficiency. Therefore, it is necessary to design a laser cutting machine for metal plates to solve the above problems. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a laser cutting machine for metal plates to solve the problem of poor continuity in plate cutting and low working efficiency in the existing metal plate laser cutting machines on the market during use as mentioned in the above background technology.

[0005] To achieve the above object, the technical solution of the present invention is as follows:

[0006] A laser cutting machine for metal plates, comprising a frame, the frame comprising two sets of vertical plates arranged in parallel, a first support seat arranged below the vertical plates, and a plurality of crossbeams fixed between the two sets of vertical plates, a first slide rail and a first bevel gear rail parallel to each other are arranged above the two sets of vertical plates, a cutting mechanism is slidably connected above the first slide rail, a conveying mechanism is arranged at the lower side of the cutting mechanism, the conveying mechanism extends to the outside of the frame, and an auxiliary feeding mechanism is arranged at the conveying mechanism outside the frame;

[0007] The conveying mechanism includes an upper track, a lower track, a first storage component, a second storage component and a driving component; the upper track and the lower track are fixed to the inner side of the vertical plate, the first storage component is slidably connected to the upper track, the second storage component is slidably connected to the lower track, the positions of the first storage component and the second storage component are centrally symmetrically distributed, the driving component is arranged on the vertical plate, the driving component drives the first storage component to enter the rack and drives the second storage component out of the rack at the same time, on the contrary, the driving component drives the second storage component to enter the rack and drives the first storage component out of the rack at the same time; a connecting plate is fixed between the upper track and the lower track on the outer side of the rack, and a plurality of second support seats are fixed below the connecting plate;

[0008] The driving assembly includes a transmission motor, a first transmission gear, a second transmission gear and a conveyor belt; the transmission motor is arranged on a vertical plate close to one side of the connecting plate, the output end of the transmission motor is connected to the first transmission gear, the second transmission gear is arranged on the vertical plate on the same side as the first transmission gear, the first transmission gear and the second transmission gear are connected through a conveyor belt, the first storage assembly is aligned with the upper part of the conveyor belt, and the second storage assembly is aligned with the lower part of the conveyor belt; a first stopper is arranged on the conveyor belt at both ends of the transmission direction of the first storage assembly, a limiting member matching the first stopper is arranged on the first storage assembly, and the first stopper is inserted in the limiting member, a second stopper is arranged on the conveyor belt at both ends of the transmission direction of the second storage assembly, a limiting member matching the second stopper is arranged on the second storage assembly, and the second stopper is inserted in the limiting member;

[0009] The structure of the first storage component is the same as that of the second storage component, and the first storage component includes a first frame, a first pulley, a fixing rod, a mounting plate and a tooth plate; a plurality of rollers are provided at the bottom end of the first frame, and the rollers match the upper track and roll on the upper track; a plurality of fixing rods are also provided on the first frame, and a convex strip with a middle protrusion is provided on the fixing rod; a plurality of mounting plates are also provided on the first frame, and a tooth plate is clamped on the mounting plate, and a plurality of placement grooves are evenly provided on the upper side of the mounting plate, and a slot matching the placement groove is provided on the lower side of the tooth plate, and a plurality of teeth are provided on the upper side of the tooth plate.

[0010] As a further improvement of the present invention, the auxiliary loading mechanism includes a lifting assembly and a sliding assembly, the lifting assembly is arranged on the side of the second support seat and is engaged with the second support seat, the sliding assembly is arranged below the conveying mechanism outside the frame, and when the sliding assembly rises above the first placement assembly, the lifting assembly lifts the bottom end of the topmost plate in the stack of plates to a position flush with the top of the sliding assembly;

[0011] The lifting assembly includes a base with rollers at the bottom, a first lifting assembly, a placement seat, a second lifting assembly, a pushing assembly and a lifting and rolling assembly; a support plate is fixed on the base away from the second support seat, the first lifting assembly is fixed on the support plate, the placement seat is fixed on the first lifting assembly and drives the placement seat to rise and fall, the placement seat close to the support plate is fixed with a second lifting assembly, the second lifting assembly is provided with a pushing assembly, the placement seat close to the sliding assembly is fixed with a third lifting assembly, and the third lifting assembly is provided with a rolling assembly;

[0012] The first lifting assembly includes a first guide rail, a first connecting block, a first lifting motor and a first screw; the first guide rail is fixedly connected to the support plate, the first lifting motor is fixed to the top of the support plate, the first motor output end is provided with a first screw, the first screw is threadedly connected with a first connecting block, the first connecting block is slidably connected to the first guide rail, and the first connecting block is fixedly connected to the placement seat;

[0013] The second lifting assembly includes a second guide rail, a second connecting block, a second lifting motor and a second screw; the second guide rail is fixedly connected to the placement seat, the second lifting motor is fixed to the top of the placement seat, the second motor output end is provided with a second screw, the second screw is threadedly connected with a second connecting block, the second connecting block is slidably connected to the second guide rail, and the second connecting block is fixedly connected to the pushing assembly;

[0014] The pushing assembly includes a pushing cylinder and a pushing plate; a plurality of pushing cylinders are fixedly arranged on the second connecting block, and a pushing plate is fixedly arranged at the output end of the pushing cylinder;

[0015] The lifting and rolling assembly includes a first lifting cylinder, a transition plate and a second roller; the first lifting cylinder is fixed to the side of the placement seat, the output end of the first lifting cylinder is fixedly connected to the transition plate, and a plurality of rollers are rollingly connected to the transition plate;

[0016] The sliding assembly includes a second frame, a third lifting assembly, a connecting rod, a supporting rod and a rolling element; the lower side of the second frame is provided with a third lifting assembly for driving the second frame to move up and down, the second frame is provided with a plurality of connecting rods, a plurality of supporting rods protruding from the connecting rods are provided above the connecting rods, and at least three groups of rolling elements are provided on the supporting rods; the rolling element includes a mounting shell fixedly connected to the supporting rod, and a ball is rollingly connected in the mounting shell;

[0017] The third lifting assembly includes a support frame, a mounting seat, a second lifting cylinder and a connecting arm; four groups of support columns are installed at the bottom of the support frame through waist-shaped holes, two groups of mounting seats are provided at the top of the support frame, and the second lifting cylinder is installed on the mounting seat through a mounting shaft. The second lifting cylinder is arranged in the support frame and suspended on the ground, and the output end of the second lifting cylinder is hinged with a connecting arm, which is fixed to the second frame;

[0018] The second frame is also provided with an adjusting cylinder, an output end of the adjusting cylinder is provided with a blocking plate, and a buffer sheet is provided on a side of the blocking plate close to the lifting component.

[0019] As a further improvement of the present invention, the cutting mechanism includes a moving assembly and a cutting assembly, the moving assembly is arranged on the upper side of the two sets of first slide rails and is slidably connected to the first slide rails, the cutting assembly is slidably connected to the moving assembly, the sliding directions of the cutting assembly and the moving assembly are perpendicular, and a protective shell is provided on the cutting assembly;

[0020] The moving assembly includes a first slider, a first sliding seat, a first driving motor, a first bevel gear and a moving beam; the first slider is slidably connected to the first slide rail, the first slider is fixedly connected to the first sliding seat, the first sliding seat is provided with a first driving motor, the output end of the first driving motor is provided with a first bevel gear meshing with the first bevel gear rail, a moving beam is vertically arranged between the two sets of sliding seats, the top of the moving beam is provided with a second slide rail and a second bevel gear rail, and the side of the moving beam is provided with a third slide rail;

[0021] The cutting assembly includes a second slider, a second sliding seat, a second drive motor, a second bevel gear, a third slider, a vertical slide rail, a vertical slider, a telescopic cylinder and a laser head; the second slider and the third slider are fixed on the second sliding seat, the second slider is slidably connected to the second slide rail, the third slider is slidably connected to the third slide rail, the second sliding seat is fixed with the second drive motor, the output end of the second drive motor is provided with a second bevel gear, the second bevel gear is meshed with the second bevel gear rail, the second sliding seat is also provided with a vertical slider on the side away from the second drive motor, the vertical slider is slidably connected with the third slider, the third slider is arranged at the output end of the telescopic cylinder, the telescopic cylinder is fixed to the second sliding seat, and the laser head is fixed on the side of the third slider.

[0022] As a further improvement of the present invention, a positioning plate is provided on one side of the first frame close to the vertical plate, a positioning groove is provided on the positioning plate, a positioning assembly is provided at the corresponding position of the vertical plate, the positioning assembly includes a positioning cylinder fixed to the vertical plate, a positioning block is provided at the output end of the positioning cylinder, and the positioning block is inserted in the positioning groove.

[0023] As a further improvement of the present invention, a horizontal plate is provided between the two groups of vertical plates, the horizontal plate is arranged at the end away from the auxiliary feeding mechanism, a plurality of vertical plates are provided on the side of the baffle plate close to the storage component, and two groups of upper and lower buffer blocks are provided on the vertical plates, and the buffer blocks match the positions of the upper and lower groups of first frames.

[0024] As a further improvement of the present invention, two sets of upper and lower blocking assemblies are provided on the vertical plate away from the driving assembly. The blocking assembly includes a fixed block. A first roller is provided on the side of the fixed block close to the first frame. A protective member is installed at the corner of the corresponding position of the first frame, and the protective member abuts against the first roller.

[0025] As a further improvement of the present invention, it also includes a debris collection mechanism arranged on the lower side of the frame, the debris collection mechanism includes a sliding plate, a tray and a shielding plate; the sliding plate is arranged at the top of the crossbeam, the sliding plate includes a horizontal plate fixedly connected to the crossbeam, and a first inclined plate arranged on both sides of the horizontal plate, and the first inclined plate is inclined downward on both sides; the tray is arranged between the two groups of sliding plates, a second pulley is arranged at the bottom end of the tray, a handle is installed on one side of the tray, a shielding plate is arranged between the first support seats on both sides of the tray, a sliding groove is opened on the shielding plate close to the side of the tray, the tray is slidably connected to the sliding groove, and a second inclined plate inclined toward the tray is provided on the shielding plate above the sliding groove.

[0026] As a further improvement of the present invention, it also includes a debris collection mechanism arranged on the frame, the debris collection mechanism includes a waste hopper, a sliding material port, a suction head, a blower, a first telescopic tube, a connecting tube and a second telescopic tube; the waste hopper is arranged on the outside of the vertical plate, and a material trough is provided on the side of the waste hopper close to the cutting mechanism, and the sliding material port is slidably connected to the side of the material trough, and the sliding material port is connected to the first telescopic tube, the first telescopic tube is connected to the connecting tube, and the connecting tube is fixed on the protective shell, and the other side of the connecting tube is connected to the second telescopic tube, and the other end of the telescopic tube is connected to the suction head, and the suction head is fixed on the laser head;

[0027] The width of the waste hopper is the same as that of the vertical plate, the height of the waste hopper is higher than the cutting assembly, the waste hopper is funnel-shaped as a whole, and the width of the sliding material port is 10-15cm narrower than the width of the waste hopper;

[0028] The sliding material port includes long rails arranged on the upper and lower sides of the material trough, and a mounting block with a hollow middle is slidably connected to the long rails. A first telescopic tube is inserted into the hollow part of the mounting block, and the first telescopic tube extends 10-15cm toward the waste hopper. A third motor is provided at the feed hopper above the material trough, and a driving screw is provided at the output end of the third motor, and a mounting block is threadedly connected to the driving screw.

[0029] Compared with the prior art, the present invention has the following beneficial effects:

[0030] The present invention arranges a conveying mechanism at the lower side of the cutting mechanism, the conveying mechanism arranges an upper track and a lower track, and drives the first storage component to move on the upper track through a conveying motor, and drives the second storage component to move on the second track through the conveying motor. At the same time, the conveying motor drives the first storage component and the second storage component to move simultaneously, so that the loading and unloading of the plate is more continuous, the conveying efficiency of the conveying mechanism is improved, and thus the working efficiency of the entire laser cutting mechanism is improved;

[0031] The present invention arranges a lifting assembly so that a plurality of stacked plates are placed on a base, and the plates are driven upward by a first lifting assembly so that the uppermost plate is lifted above a rolling element, and the pushing assembly is driven to reach the uppermost plate by a second lifting assembly, and the lifting and rolling assembly is lifted to the uppermost plate, and at this time, the pushing assembly pushes the plate to the lifting and rolling assembly, and finally pushes it above the rolling element, so that convenient loading is achieved and labor can be saved at the same time;

[0032] The present invention sets a sliding assembly so that the third lifting assembly drives the support rod upward, and at the same time makes the rolling element rise to the top of the first storage assembly, and at the same time cooperates with the lifting assembly to transport the plate to the top of the first storage assembly. The rolling element can prevent the surface of the plate from being scratched, and at the same time, the cylinder drives the blocking plate to be adjusted to the corresponding position, and the plate rolls to the blocking plate and stops to prevent the plate from continuing to move and sliding down. The third lifting assembly descends, and the plate is placed on the first storage assembly. This structure can prevent scratches on the surface of the metal plate, and can also prevent the tooth plate from bending or being worn.

[0033] The present invention arranges a debris collection mechanism under the cutting mechanism, so that the debris generated during the cutting process slides from the sliding plate into the tray, and the shielding plates arranged on both sides of the tray can prevent the debris from falling to the ground. At the same time, the second inclined plate can help the debris to further fall into the tray, so that the debris can be collected and prevented from falling to the ground.

[0034] The present invention can also provide a waste hopper on the side of the vertical plate, and install a sliding material port that moves together with the cutting mechanism on the waste hopper, and then provide a first telescopic tube between the sliding material port and the cutting assembly, so as to meet the requirement of the cutting assembly moving on the moving beam. At the same time, a second telescopic tube is provided between the suction head and the protective shell to meet the requirement of the laser head rising and falling. The suction head approaches the laser head to suck the debris into the waste hopper, and finally discharges it from the waste hopper, so as to complete the collection of the debris and prevent the debris from falling to the ground. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0036] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention;

[0037] Figure 2 For the present invention Figure 1 The enlarged structural diagram of part A in the middle;

[0038] Figure 3 It is a schematic diagram of the three-dimensional structure of the transmission mechanism of the present invention;

[0039] Figure 4 It is a schematic diagram of the three-dimensional structure of the first storage component of the present invention;

[0040] Figure 5 It is a schematic diagram of the cross-sectional structure of the lifting assembly of the present invention;

[0041] Figure 6 It is a schematic diagram of the three-dimensional structure of the sliding assembly of the present invention;

[0042] Figure 7 It is a schematic diagram of the three-dimensional structure of the cutting mechanism of the present invention;

[0043] Figure 8 It is a front view structural schematic diagram of a first embodiment of a debris collection mechanism of the present invention;

[0044] Fig. 9It is a schematic diagram of the three-dimensional structure of the first embodiment of the debris collection mechanism of the present invention;

[0045] Fig.10 It is a schematic diagram of the top view of the blocking component of the present invention.

[0046] The names represented by the part numbers in the above 10 schematic diagrams are as follows:

[0047] 1. Frame; 11. Vertical plate; 12. First support seat; 13. Crossbeam; 14. First slide rail; 15. First bevel rack; 16. Positioning assembly; 161. Positioning cylinder; 162. Positioning block; 17. Cross plate; 171. Vertical plate; 172. Buffer block; 18. Blocking assembly; 181. Fixed block; 182. First roller;

[0048] 2. Cutting mechanism;

[0049] 21. Moving assembly; 211. First slider; 212. First sliding seat; 213. First driving motor; 214. First bevel gear; 215. Moving beam; 216. Second slide rail; 217. Second bevel gear rail; 218. Third slide rail;

[0050] 22. Cutting assembly; 221. Second slider; 222. Second sliding seat; 223. Second driving motor; 224. Second bevel gear; 225. Third slider; 226. Vertical slide rail; 227. Vertical slider; 228. Telescopic cylinder; 229. Laser head; 23. Protective shell;

[0051] 3. Conveying mechanism; 31. Upper track; 32. Lower track; 33. First storage assembly; 331. First frame; 332. First pulley; 333. Fixing rod; 334. Mounting plate; 335. Tooth plate; 336. Limiting member; 337. Positioning plate; 338. Positioning groove; 339. Protective member; 34. Second storage assembly; 35. Driving assembly; 351. Conveying motor; 352. First conveying gear; 353. Second conveying gear; 354. Conveying belt; 355. First stopper; 36. Connecting plate; 37. Second supporting seat;

[0052] 4. Auxiliary feeding mechanism; 41. Lifting assembly; 411. Base; 412. First lifting assembly; 4121. First guide rail; 4122. First connecting block; 4123. First lifting motor; 4124. First screw; 413. Second lifting assembly; 4131. Second guide rail; 4132. Second connecting block; 4133. Second lifting motor; 4134. Second screw; 414. Pushing assembly; 4141. Pushing cylinder; 4142. Pushing plate; 415. Lifting and rolling assembly; 4151. First lifting cylinder; 4152. Transition plate; 4153. Second roller; 416. Placement seat;

[0053] 42, sliding assembly; 421, second frame; 422, third lifting assembly; 4221, support frame; 4222, mounting seat; 4223, second lifting cylinder; 4224, connecting arm; 423, connecting rod; 424, supporting rod; 425, rolling element;

[0054] 43. Adjustment cylinder; 44. Stop plate;

[0055] 5. Debris collection mechanism;

[0056] 51, sliding plate; 511, horizontal plate; 512, first inclined plate; 52, tray; 521, second pulley; 522, handle; 53, shielding plate; 531, slide groove; 532, second inclined plate;

[0057] 61. Waste hopper; 611. Material trough; 62. Sliding material port; 621. Long rail; 622. Mounting block; 623. Third motor; 624. Driving screw; 63. Suction head; 64. Blower; 65. First telescopic tube; 66. Connecting tube; 67. Second telescopic tube. DETAILED DESCRIPTION

[0058] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0059] The present invention provides the following embodiments:

[0060] A laser cutting machine for metal plates, comprising a frame 1, the frame 1 comprising two sets of vertical plates 11 arranged in parallel, a first support seat 12 arranged below the vertical plates 11, and a plurality of crossbeams 13 fixed between the two sets of vertical plates 11, a first slide rail 14 and a first bevel gear rail 15 parallel to each other are arranged above the two sets of vertical plates 11, a cutting mechanism 2 is slidably connected above the first slide rail 14, a conveying mechanism 3 is arranged at the lower side of the cutting mechanism 2, the conveying mechanism 3 extends to the outside of the frame 1, and an auxiliary feeding mechanism 4 is arranged at the conveying mechanism 3 outside the frame 1;

[0061] The conveying mechanism 3 includes an upper rail 31, a lower rail 32, a first storage component 33, a second storage component 34 and a driving component 35; the upper rail 31 and the lower rail 32 are fixed to the inner side of the vertical plate 11, the first storage component 33 is slidably connected to the upper rail 31, the second storage component 34 is slidably connected to the lower rail 32, the positions of the first storage component 33 and the second storage component 34 are centrally symmetrically distributed, the driving component 35 is arranged on the vertical plate 11, the driving component 35 drives the first storage component 33 to enter the frame 1 and drives the second storage component 34 out of the frame 1, on the contrary, the driving component 35 drives the second storage component 34 to enter the frame 1 and drives the first storage component 33 out of the frame 1; a connecting plate 36 is fixed between the upper rail 31 and the lower rail 32 on the outer side of the frame 1, and a plurality of second support seats 37 are fixed below the connecting plate 36;

[0062] The driving assembly 35 includes a transmission motor 351, a first transmission gear 352, a second transmission gear 353 and a transmission belt 354; the transmission motor 351 is arranged on the vertical plate 11 close to the connecting plate 36, the output end of the transmission motor 351 is connected to the first transmission gear 352, the second transmission gear 353 is arranged on the vertical plate 11 on the same side as the first transmission gear 352, the first transmission gear 352 and the second transmission gear 353 are connected by the transmission belt 354, and the first storage assembly 33 is aligned with the upper part of the transmission belt 354. The second storage component 34 is aligned with the lower part of the conveyor belt 354; the first storage component 33 is provided with a first stopper 355 on the conveyor belt 354 at both ends of the transmission direction, the first storage component 33 is provided with a stopper 336 matching the first stopper 355, the first stopper 355 is inserted into the stopper 336, the second storage component 34 is provided with a second stopper on the conveyor belt 354 at both ends of the transmission direction, the second storage component 34 is provided with a stopper 336 matching the second stopper, the second stopper is inserted into the stopper 336;

[0063] The present invention arranges a conveying mechanism 3 at the lower side of the cutting mechanism 2, and the conveying mechanism 3 is provided with an upper track 31 and a lower track 32, and drives the first storage component 33 to move on the upper track 31 through a conveying motor 351, and drives the second storage component 34 to move on the second track by the conveying motor 351. At the same time, the conveying motor 351 drives the first storage component 33 and the second storage component 34 to move simultaneously, so that the loading and unloading of the plate is more coherent, and the conveying efficiency of the conveying mechanism 3 is improved, thereby improving the working efficiency of the entire laser cutting mechanism 2;

[0064] The auxiliary feeding mechanism 4 includes a lifting assembly 41 and a sliding assembly 42. The lifting assembly 41 is arranged on the side of the second support seat 37 and is engaged with the second support seat 37. The sliding assembly 42 is arranged below the conveying mechanism 3 outside the frame 1. When the sliding assembly 42 rises above the first placement assembly 33, the lifting assembly 41 lifts the bottom end of the topmost plate in the stack of plates to a position flush with the top end of the sliding assembly 42.

[0065] The lifting assembly 41 includes a base 411 with rollers at the bottom, a first lifting assembly 412, a placement seat 416, a second lifting assembly 413, a pushing assembly 414 and a lifting and rolling assembly 415; a support plate is fixed on the base 411 away from the second support seat 37, a first lifting assembly 412 is fixed on the support plate, a placement seat 416 is fixed on the first lifting assembly 412 and drives the placement seat 416 to rise and fall, a second lifting assembly 413 is fixed on the placement seat 416 close to the support plate, a pushing assembly 414 is provided on the second lifting assembly 413, a third lifting assembly 422 is fixed on the placement seat 416 close to the sliding assembly 42, and a rolling assembly is provided on the third lifting assembly 422;

[0066] The first lifting assembly 412 includes a first guide rail 4121, a first connecting block 4122, a first lifting motor 4123 and a first screw 4124; the first guide rail 4121 is fixedly connected to the support plate, the first lifting motor 4123 is fixed to the top of the support plate, the first motor output end is provided with a first screw 4124, the first screw 4124 is threadedly connected with the first connecting block 4122, the first connecting block 4122 is slidably connected to the first guide rail 4121, and the first connecting block 4122 is fixedly connected to the placement seat 416;

[0067] The second lifting assembly 413 includes a second guide rail 4131, a second connecting block 4132, a second lifting motor 4133 and a second screw 4134; the second guide rail 4131 is fixedly connected to the placement seat 416, the second lifting motor 4133 is fixed to the top of the placement seat 416, a second screw 4134 is provided at the output end of the second motor, a second connecting block 4132 is threadedly connected to the second screw 4134, the second connecting block 4132 is slidably connected to the second guide rail 4131, and the second connecting block 4132 is fixedly connected to the pushing assembly 414;

[0068] The pushing assembly 414 includes a pushing cylinder 4141 and a pushing plate 4142; a plurality of pushing cylinders 4141 are fixedly arranged on the second connecting block 4132, and a pushing plate 4142 is fixedly arranged at the output end of the pushing cylinder 4141;

[0069] The lifting and rolling assembly 415 includes a first lifting cylinder 4151, a transition plate 4152 and a second roller 4153; the first lifting cylinder 4151 is fixed to the side of the placement seat 416, and the output end of the first lifting cylinder 4151 is fixedly connected to the transition plate 4152, and a plurality of rollers are rollingly connected to the transition plate 4152;

[0070] The sliding assembly 42 includes a second frame 421, a third lifting assembly 422, a connecting rod 423, a supporting rod 424 and a rolling element 425; the lower side of the second frame 421 is provided with a third lifting assembly 422 for driving the second frame 421 to move up and down, the second frame 421 is provided with a plurality of connecting rods 423, a plurality of supporting rods 424 protruding from the connecting rods 423 are provided above the connecting rods 423, and at least three groups of rolling elements 425 are provided on the supporting rods 424; the rolling element 425 includes a mounting shell fixedly connected to the supporting rod 424, and a ball is rollingly connected in the mounting shell;

[0071] The third lifting assembly 422 includes a support frame 4221, a mounting seat 4222, a second lifting cylinder 4223 and a connecting arm 4224; four groups of support columns are installed at the bottom of the support frame 4221 through waist-shaped holes, two groups of mounting seats 4222 are provided at the top of the support frame 4221, and a second lifting cylinder 4223 is installed on the mounting seat 4222 through a mounting shaft. The second lifting cylinder 4223 is arranged in the support frame 4221 and suspended on the ground. The output end of the second lifting cylinder 4223 is hinged with a connecting arm 4224, and the connecting arm 4224 is fixed to the second frame 421;

[0072] The second frame 421 is also provided with an adjusting cylinder 43, and an output end of the adjusting cylinder 43 is provided with a blocking plate 44, and a buffer sheet is provided on the side of the blocking plate 44 close to the lifting assembly 41;

[0073] The present invention sets a lifting assembly 41 so that a plurality of stacked plates are placed on a base 411, and the first lifting assembly 412 drives the plates upward, so that the uppermost plate is lifted above the rolling member 425, and the second lifting assembly 413 drives the pushing assembly 414 to reach the uppermost plate, and the lifting and rolling assembly 415 rises to the uppermost plate. At this time, the pushing assembly 414 pushes the plate 4142 to the lifting and rolling assembly 415, and finally pushes it above the rolling member 425, so that convenient loading is achieved and labor can be saved; by setting a sliding assembly 42, the third lifting assembly 42 2 drives the support rod 424 upward, and at the same time makes the rolling element 425 rise to the top of the first storage component 33, and cooperates with the lifting component 41 to transport the plate to the top of the first storage component 33. The rolling element 425 can prevent the surface of the plate from being scratched. At the same time, the adjustment cylinder 43 drives the blocking plate 44 to adjust to the corresponding position. The plate rolls to the blocking plate 44 and stops to prevent the plate from continuing to move and sliding. The third lifting component 422 descends to place the plate on the first storage component 33. This structure can prevent scratches on the surface of the metal plate, and also prevent the tooth plate 335 from bending or being worn.

[0074] The cutting mechanism 2 includes a moving assembly 21 and a cutting assembly 22. The moving assembly 21 is disposed on the upper side of the two sets of first slide rails 14 and is slidably connected to the first slide rails 14. The cutting assembly 22 is slidably connected to the moving assembly 21. The sliding directions of the cutting assembly 22 and the moving assembly 21 are perpendicular. A protective shell 23 is provided on the cutting assembly 22.

[0075] The moving assembly 21 includes a first slider 211, a first sliding seat 212, a first driving motor 213, a first bevel gear 214 and a moving beam 215; the first slider 211 is slidably connected to the first slide rail 14, the first slider 211 is fixedly connected with the first sliding seat 212, the first sliding seat 212 is provided with a first driving motor 213, the output end of the first driving motor 213 is provided with a first bevel gear 214 meshing with the first bevel rack 15, a moving beam 215 is vertically arranged between the two sets of sliding seats, the top of the moving beam 215 is provided with a second slide rail 216 and a second bevel rack 217, and the side of the moving beam 215 is provided with a third slide rail 218;

[0076] The cutting assembly 22 includes a second slider 221, a second sliding seat 222, a second drive motor 223, a second bevel gear 224, a third slider 225, a vertical slide rail 226, a vertical slider 227, a telescopic cylinder 228 and a laser head 229; the second slider 221 and the third slider 225 are fixed on the second sliding seat 222, the second slider 221 is slidably connected to the second slide rail 216, the third slider 225 is slidably connected to the third slide rail 218, and the second slider 222 is fixed on the second sliding seat A second driving motor 223, an output end of the second driving motor 223 is provided with a second bevel gear 224, the second bevel gear 224 is meshed with the second bevel rack 217, a second sliding seat 222 is further provided with a vertical slider 227 on the side away from the second driving motor 223, a third slider 225 is slidably connected to the vertical slider 227, the third slider 225 is provided at the output end of the telescopic cylinder 228, the telescopic cylinder 228 is fixed to the second sliding seat 222, and a laser head 229 is fixed to the side of the third slider 225;

[0077] The structure of the first storage component 33 is the same as that of the second storage component 34. The first storage component 33 includes a first frame 331, a first pulley 332, a fixing rod 333, a mounting plate 334 and a tooth plate 335. The bottom end of the first frame 331 is provided with a plurality of rollers, which match the upper track 31 and roll on the upper track 31. The first frame 331 is also provided with a plurality of fixing rods 333, and the fixing rods 333 are provided with a convex strip with a middle protrusion. The first frame 331 is also provided with a plurality of mounting plates 334 vertically arranged with the fixing rods 333. The mounting plates 334 are provided with tooth plates 335. The upper side of the mounting plates 334 is evenly provided with a plurality of placement grooves. The lower side of the tooth plate 335 is provided with a slot matching the placement groove, and the upper side of the tooth plate 335 is provided with a plurality of teeth.

[0078] A positioning plate 337 is provided on one side of the first frame 331 close to the vertical plate 11, and a positioning groove 338 is provided on the positioning plate 337. A positioning assembly 16 is provided at a corresponding position of the vertical plate 11. The positioning assembly 16 includes a positioning cylinder 161 fixed to the vertical plate 11, and a positioning block 162 is provided at the output end of the positioning cylinder 161. The positioning block 162 is inserted into the positioning groove 338.

[0079] A horizontal plate 17 is also provided between the two sets of vertical plates 11. The horizontal plate 17 is provided at one end away from the auxiliary feeding mechanism. A plurality of vertical plates 171 are provided on the side of the baffle plate close to the storage assembly. The vertical plates 171 are provided with upper and lower sets of buffer blocks 172. The buffer blocks 172 match the positions of the upper and lower sets of first frames 331.

[0080] An upper and lower blocking assembly 18 is provided on the vertical plate 11 away from the driving assembly 35. The blocking assembly 18 includes a fixed block 181. A first roller 182 is provided on the side of the fixed block 181 close to the first frame 331. A protective member 339 is installed at the corner of the corresponding position of the first frame 331, and the protective member 339 abuts against the first roller 182.

[0081] The machine frame 1 also includes a debris collection mechanism 5 disposed at the lower side of the frame 1, the debris collection mechanism 5 includes a sliding plate 51, a tray 52 and a shielding plate 53; the sliding plate 51 is disposed at the top of the crossbeam 13, the sliding plate 51 includes a horizontal plate 511 fixedly connected to the crossbeam 13, and a first inclined plate 512 disposed on both sides of the horizontal plate 511, the first inclined plate 512 being inclined downward on both sides; the tray 52 is disposed between the two sets of sliding plates 51, a second pulley 521 is disposed at the bottom end of the tray 52, a handle 522 is installed on one side of the tray 52, a shielding plate 53 is disposed between the first support seats 12 on both sides of the tray 52, a sliding groove 531 is provided on the shielding plate 53 close to the tray 52, the tray 52 is slidably connected to the sliding groove 531, and a second inclined plate 532 inclined toward the tray 52 is provided on the shielding plate 53 above the sliding groove 531;

[0082] The present invention arranges a debris collection mechanism 5 below the cutting mechanism 2, so that the debris generated during the cutting process slides from the sliding plate 51 into the tray 52, and the shielding plates 53 arranged on both sides of the tray 52 can prevent the debris from falling to the ground. At the same time, the second inclined plate 532 can help the debris to further fall into the tray 52, so that the debris can be collected and prevented from falling to the ground.

[0083] It also includes a debris collection mechanism 5 arranged on the frame 1, and the debris collection mechanism 5 includes a waste hopper 61, a sliding material port 62, a suction head 63, a blower 64, a first telescopic tube 65, a connecting tube 66 and a second telescopic tube 67; the waste hopper 61 is arranged on the outside of the vertical plate 11, and a material trough 611 is provided on the side of the waste hopper 61 close to the cutting mechanism 2, and the sliding material port 62 is slidably connected to the side of the material trough 611, and the sliding material port 62 is connected to the first telescopic tube 65, and the first telescopic tube 65 is connected to the connecting tube 66, and the connecting tube 66 is fixed on the protective shell 23, and the other side of the connecting tube 66 is connected to the second telescopic tube 67, and the other end of the telescopic tube is connected to the suction head 63, and the suction head 63 is fixed on the laser head 229;

[0084] The width of the waste hopper 61 is the same as that of the vertical plate 11. The height of the waste hopper 61 is higher than the cutting assembly 22. The waste hopper 61 is funnel-shaped as a whole. The width of the sliding material port 62 is 10-15 cm narrower than the width of the waste hopper 61.

[0085] The sliding material port 62 includes a long rail 621 disposed on the upper and lower sides of the material trough 611, and a mounting block 622 with a hollow middle portion is slidably connected to the long rail 621. A first telescopic tube 65 is inserted into the hollow portion of the mounting block 622, and the first telescopic tube 65 extends 10-15 cm toward the waste hopper 61. A third motor 623 is disposed at the feed hopper above the material trough 611, and a driving screw 624 is disposed at the output end of the third motor 623, and a mounting block 622 is threadedly connected to the driving screw 624;

[0086] The present invention can also set a waste hopper 61 on the side of the vertical plate 11, and install a sliding material port 62 that moves together with the cutting mechanism 2 on the waste hopper 61, and then set a first telescopic tube 65 between the sliding material port 62 and the cutting component 22, so as to meet the requirement of the cutting component 22 to move on the moving beam 215. At the same time, a second telescopic tube 67 is set between the suction head 63 and the protective shell 23 to meet the requirement of the laser head 229 to rise and fall. The suction head 63 approaches the laser head 229 to suck the debris into the waste hopper 61, and finally discharges it from the waste hopper 61, so as to complete the collection of the debris and prevent the debris from falling to the ground.

[0087] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A laser cutting machine for metal plates, comprising a frame (1), the frame (1) comprising two sets of vertical plates (11) arranged in parallel, a first support seat (12) arranged below the vertical plates (11), and a plurality of cross beams (13) fixed between the two sets of vertical plates (11), characterized in that : A first slide rail (14) and a first beveled gear rail (15) are provided above the two groups of vertical plates (11), a cutting mechanism (2) is slidably connected above the first slide rail (14), a conveying mechanism (3) is provided below the cutting mechanism (2), the conveying mechanism (3) extends to the outside of the frame (1), and an auxiliary feeding mechanism (4) is provided at the conveying mechanism (3) outside the frame (1); The conveying mechanism (3) comprises an upper track (31), a lower track (32), a first storage component (33), a second storage component (34) and a driving component (35); the upper track (31) and the lower track (32) are fixed to the inner side of the vertical plate (11); the first storage component (33) is slidably connected to the upper track (31); the second storage component (34) is slidably connected to the lower track (32); the positions of the first storage component (33) and the second storage component (34) are centrally symmetrically distributed; the driving component (35) is arranged on the vertical plate (11), the driving component (35) drives the first storage component (33) to enter the frame (1) and drives the second storage component (34) to come out of the frame (1); conversely, the driving component (35) drives the second storage component (34) to enter the frame (1) and drives the first storage component (33) to come out of the frame (1); a connecting plate (36) is fixed between the upper track (31) and the lower track (32) on the outer side of the frame (1), and a plurality of second support seats (37) are fixed below the connecting plate (36); The driving assembly (35) comprises a transmission motor (351), a first transmission gear (352), a second transmission gear (353) and a transmission belt (354); the transmission motor (351) is arranged on a vertical plate (11) close to a side of the connecting plate (36); the output end of the transmission motor (351) is connected to the first transmission gear (352); the second transmission gear (353) is arranged on the vertical plate (11) on the same side as the first transmission gear (352); the first transmission gear (352) and the second transmission gear (353) are connected via a transmission belt (354); the upper part of the first storage assembly (33) and the transmission belt (354) are connected The second storage component (34) is aligned with the lower part of the conveyor belt (354); first blocks (355) are arranged on the conveyor belt (354) at both ends of the transmission direction of the first storage component (33); a limiting piece (336) matching the first block (355) is arranged on the first storage component (33); the first block (355) is inserted into the limiting piece (336); second blocks are arranged on the conveyor belt (354) at both ends of the transmission direction of the second storage component (34); a limiting piece (336) matching the second block is arranged on the second storage component (34); the second block is inserted into the limiting piece (336); The structure of the first storage component (33) is the same as that of the second storage component (34). The first storage component (33) comprises a first frame (331), a first pulley (332), a fixing rod (333), a mounting plate (334) and a tooth plate (335); a plurality of rollers are provided at the bottom end of the first frame (331), the rollers match the upper track (31) and roll on the upper track (31); a plurality of fixing rods (333) are provided on the first frame (331), a convex strip with a middle protrusion is provided on the fixing rod (333); a plurality of mounting plates (334) are vertically arranged with the fixing rod (333) on the first frame (331), a tooth plate (335) is clamped on the mounting plate (334), a plurality of placement grooves are evenly arranged on the upper side of the mounting plate (334), a slot matching the placement grooves is provided on the lower side of the tooth plate (335), and a plurality of teeth are provided on the upper side of the tooth plate (335).

2. A metal sheet laser cutting machine according to claim 1, characterized in that: The auxiliary loading mechanism (4) comprises a lifting assembly (41) and a sliding assembly (42); the lifting assembly (41) is arranged on the side of the second support seat (37) and is engaged with the second support seat (37); the sliding assembly (42) is arranged below the conveying mechanism (3) outside the frame (1); when the sliding assembly (42) rises to above the first placement assembly (33), the lifting assembly (41) lifts the bottom end of the topmost plate in the stack of plates to a position flush with the top end of the sliding assembly (42); The lifting assembly (41) comprises a base (411) with rollers at the bottom, a first lifting assembly (412), a placement seat (416), a second lifting assembly (413), a pushing assembly (414) and a lifting and rolling assembly (415); a support plate is fixed on the base (411) away from the second support seat (37), the first lifting assembly (412) is fixed on the support plate, a placement seat (416) is fixed on the first lifting assembly (412) and drives the placement seat (416) to rise and fall, a second lifting assembly (413) is fixed on the placement seat (416) close to the support plate, a pushing assembly (414) is provided on the second lifting assembly (413), a third lifting assembly (422) is fixed on the placement seat (416) close to the sliding assembly (42), and a rolling assembly is provided on the third lifting assembly (422); The first lifting assembly (412) comprises a first guide rail (4121), a first connecting block (4122), a first lifting motor (4123) and a first screw rod (4124); the first guide rail (4121) is fixedly connected to the support plate, the first lifting motor (4123) is fixed to the top of the support plate, a first screw rod (4124) is provided at the output end of the first motor, a first connecting block (4122) is threadedly connected to the first screw rod (4124), the first connecting block (4122) is slidably connected to the first guide rail (4121), and the first connecting block (4122) is fixedly connected to the placement seat (416); The second lifting assembly (413) comprises a second guide rail (4131), a second connecting block (4132), a second lifting motor (4133) and a second screw rod (4134); the second guide rail (4131) is fixedly connected to the placement seat (416), the second lifting motor (4133) is fixed to the top of the placement seat (416), a second screw rod (4134) is provided at the output end of the second motor, a second connecting block (4132) is threadedly connected to the second screw rod (4134), the second connecting block (4132) is slidably connected to the second guide rail (4131), and the second connecting block (4132) is fixedly connected to the pushing assembly (414); The pushing assembly (414) comprises a pushing cylinder (4141) and a pushing plate (4142); a plurality of pushing cylinders (4141) are fixedly arranged on the second connecting block (4132), and a pushing plate (4142) is fixed at the output end of the pushing cylinder (4141); The lifting and rolling assembly (415) comprises a first lifting cylinder (4151), a transition plate (4152) and a second roller (4153); the first lifting cylinder (4151) is fixed to the side of the placement seat (416), the output end of the first lifting cylinder (4151) is fixedly connected to the transition plate (4152), and a plurality of rollers are rollingly connected to the transition plate (4152); The sliding assembly (42) comprises a second frame (421), a third lifting assembly (422), a connecting rod (423), a supporting rod (424) and a rolling element (425); a third lifting assembly (422) for driving the second frame (421) to move up and down is provided at the lower side of the second frame (421); a plurality of connecting rods (423) are provided on the second frame (421); a plurality of supporting rods (424) protruding from the connecting rods (423) are provided above the connecting rods (423); at least three groups of rolling elements (425) are provided on the supporting rods (424); the rolling element (425) comprises a mounting shell fixedly connected to the supporting rod (424); a ball bearing is rollingly connected in the mounting shell; The third lifting assembly (422) comprises a support frame (4221), a mounting seat (4222), a second lifting cylinder (4223) and a connecting arm (4224); four groups of support columns are installed at the bottom of the support frame (4221) through waist-shaped holes, two groups of mounting seats (4222) are provided at the top of the support frame (4221), a second lifting cylinder (4223) is installed on the mounting seat (4222) through a mounting shaft, the second lifting cylinder (4223) is arranged in the support frame (4221) and suspended above the ground, and a connecting arm (4224) is hinged at the output end of the second lifting cylinder (4223), and the connecting arm (4224) is fixed to the second frame (421); An adjusting cylinder (43) is also provided on the second frame (421), a blocking plate (44) is provided at the output end of the adjusting cylinder (43), and a buffer sheet is provided on a side of the blocking plate (44) close to the lifting assembly (41).

3. A metal sheet laser cutting machine according to claim 2, characterized in that: The cutting mechanism (2) comprises a moving assembly (21) and a cutting assembly (22), wherein the moving assembly (21) is arranged on the upper side of the two sets of first slide rails (14) and is slidably connected to the first slide rails (14), the cutting assembly (22) is slidably connected to the moving assembly (21), the sliding directions of the cutting assembly (22) and the moving assembly (21) are perpendicular, and a protective shell (23) is provided on the cutting assembly (22); The moving assembly (21) comprises a first slider (211), a first sliding seat (212), a first driving motor (213), a first bevel gear (214) and a moving beam (215); the first slider (211) is slidably connected to the first slide rail (14); the first slider (211) is fixedly connected to the first sliding seat (212) above; the first sliding seat (212) is provided with a first driving motor (213); the output end of the first driving motor (213) is provided with a first bevel gear (214) meshing with the first bevel gear rail (15); a moving beam (215) is vertically arranged between the two sets of sliding seats; the top of the moving beam (215) is provided with a second slide rail (216) and a second bevel gear rail (217); and the side of the moving beam (215) is provided with a third slide rail (218); The cutting assembly (22) comprises a second slider (221), a second sliding seat (222), a second driving motor (223), a second bevel gear (224), a third slider (225), a vertical slide rail (226), a vertical slider (227), a telescopic cylinder (228) and a laser head (229); the second slider (221) and the third slider (225) are fixed on the second sliding seat (222); the second slider (221) is slidably connected to the second slide rail (216); the third slider (225) is slidably connected to the third slide rail (218); the second slider (221) and the third slider (225) are fixed on the second sliding seat (222). A second driving motor (223) is provided, and a second bevel gear (224) is provided at the output end of the second driving motor (223), and the second bevel gear (224) is meshed with a second bevel gear rail (217). A vertical slider (227) is provided on the side of the second sliding seat (222) away from the second driving motor (223), and a third slider (225) is slidably connected to the vertical slider (227). The third slider (225) is provided at the output end of a telescopic cylinder (228), and the telescopic cylinder (228) is fixed to the second sliding seat (222). A laser head (229) is fixed to the side of the third slider (225).

4. The metal sheet laser cutting machine according to claim 3 is characterized in that: A positioning plate (337) is provided on one side of the first frame (331) close to the vertical plate (11); a positioning groove (338) is provided on the positioning plate (337); a positioning assembly (16) is provided at a corresponding position of the vertical plate (11); the positioning assembly (16) comprises a positioning cylinder (161) fixed to the vertical plate (11); a positioning block (162) is provided at the output end of the positioning cylinder (161); and the positioning block (162) is inserted into the positioning groove (338).

5. The metal sheet laser cutting machine according to claim 4, characterized in that: A transverse plate (17) is also provided between the two groups of vertical plates (11), and the transverse plate (17) is provided at one end away from the auxiliary feeding mechanism. A plurality of vertical plates (171) are provided on the side of the baffle plate close to the storage assembly, and upper and lower groups of buffer blocks (172) are provided on the vertical plates (171), and the buffer blocks (172) match the positions of the upper and lower groups of first frames (331).

6. The metal sheet laser cutting machine according to claim 5, characterized in that: An upper and lower blocking assembly (18) is provided on the vertical plate (11) at a side away from the driving assembly (35), and the blocking assembly (18) comprises a fixed block (181). A first roller (182) is provided on a side of the fixed block (181) close to the first frame (331). A protective member (339) is installed at a corner at a corresponding position of the first frame (331), and the protective member (339) is in contact with the first roller (182).

7. The metal sheet laser cutting machine according to claim 6, characterized in that: The machine also comprises a debris collection mechanism (5) disposed on the lower side of the frame (1), the debris collection mechanism (5) comprising a slide plate (51), a tray (52) and a shielding plate (53); the slide plate (51) is disposed on the top of the crossbeam (13), the slide plate (51) comprising a horizontal plate (511) fixedly connected to the crossbeam (13), and first inclined plates (512) disposed on both sides of the horizontal plate (511), the two sides of the first inclined plate (512) being inclined downward; the tray (52) is disposed between the two sets of slide plates ( 51), a second pulley (521) is arranged at the bottom end of the tray (52), a handle (522) is installed on one side of the tray (52), a shielding plate (53) is arranged between the first support seats (12) on both sides of the tray (52), a sliding groove (531) is opened on the side of the shielding plate (53) close to the tray (52), the tray (52) is slidably connected with the sliding groove (531), and a second inclined plate (532) inclined toward the tray (52) is arranged on the shielding plate (53) above the sliding groove (531).

8. The metal sheet laser cutting machine according to claim 6, characterized in that: The machine also includes a debris collection mechanism (5) arranged on the frame (1), the debris collection mechanism (5) including a waste hopper (61), a sliding material port (62), a suction head (63), a blower (64), a first telescopic tube (65), a connecting tube (66) and a second telescopic tube (67); the waste hopper (61) is arranged on the outside of the vertical plate (11), a material trough (611) is provided on the side of the waste hopper (61) close to the cutting mechanism (2), the side of the material trough (611) is slidably connected to the sliding material port (62), the sliding material port (62) is connected to the first telescopic tube (65), the first telescopic tube (65) is connected to the connecting tube (66), the connecting tube (66) is fixed on the protective shell (23), the other side of the connecting tube (66) is connected to the second telescopic tube (67), the other end of the telescopic tube is connected to the suction head (63), and the suction head (63) is fixed on the laser head (229); The width of the waste hopper (61) is the same as that of the vertical plate (11), the height of the waste hopper (61) is higher than the cutting assembly (22), the waste hopper (61) is funnel-shaped as a whole, and the width of the sliding material port (62) is 10-15 cm narrower than the width of the waste hopper (61); The sliding material port (62) comprises a long rail (621) arranged at the upper and lower sides of the material trough (611), a mounting block (622) with a hollow middle portion being slidably connected to the long rail (621), a first telescopic tube (65) being inserted into the hollow portion of the mounting block (622), the first telescopic tube (65) extending 10-15 cm toward the waste hopper (61), a third motor (623) being arranged at the feed hopper above the material trough (611), a driving screw (624) being arranged at the output end of the third motor (623), and the mounting block (622) being threadedly connected to the driving screw (624).

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