A laser cutting machine
By designing the direction adjustment mechanism, pressing mechanism and blowing mechanism in the laser cutting machine, the problems of dust removal and insufficient workpiece stability during laser cutting are solved, and higher cutting accuracy and automated cleaning effects are achieved.
Patent Information
- Application Number
- CN202510207232.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2025-04-04
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
During laser cutting, dust generated by high temperature melting or gasification of the material is difficult to automatically remove, and the workpiece is insufficient in stability on the cutting table, which easily leads to poor cutting accuracy.
A laser cutting machine is designed, including a direction adjustment mechanism, a pressing mechanism and a blowing mechanism. The direction adjustment mechanism drives the driving gear to rotate through the driving motor to adjust the direction of the workpiece to ensure cutting accuracy. The pressing mechanism limits the displacement of the workpiece and automatically resets for removal by lifting the slide box and rotating the pressing assembly. The blowing mechanism cleans the workpiece and pushes debris through the piston sleeve and the blowing nozzle, the jet airflow flows.
The cutting accuracy is ensured through the adjustment mechanism; the workpiece displacement and removal difficulty are reduced through the limit and automatic reset of the pressing mechanism; the workpiece is cleaned and the debris is pushed through the blowing air flow of the blowing mechanism, which improves the automation and environmental protection of the cutting process.
Smart Images
Figure CN119747926A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of cutting machines, and in particular relates to a laser cutting machine. Background Art
[0002] As an advanced processing equipment, laser cutting machine plays an increasingly important role in modern manufacturing industry. Laser cutting machine uses high-energy laser beam to cut materials. The high-energy laser beam generated by the laser is focused by the optical path system and irradiated to the surface of the workpiece, so that the workpiece is melted, vaporized or evaporated under the action of the laser. At the same time, the laser cutting machine is equipped with a coaxial high-speed airflow system to blow away these melted or vaporized materials, thereby achieving precise and fast cutting. The optical system is responsible for focusing the laser beam during the whole process, the control system controls the relative movement of the laser beam and the material, and the mechanical platform provides stable support for the equipment. The laser cutting machine has a fast cutting speed and can greatly improve production efficiency; it can be used in conjunction with robots, automated assembly lines and other equipment to realize automated production; it is suitable for cutting materials of various shapes and sizes to meet diverse needs; at the same time, there is no dust, noise and other pollution during the laser cutting process, which meets environmental protection requirements.
[0003] At present, during the laser cutting process, the material will be melted or vaporized at high temperature, thereby generating a large number of tiny particles, that is, dust. These dusts may contain harmful substances such as metal oxides and carbon black, which have a certain impact on human health and equipment performance. These dusts are not easy to automatically remove during the laser cutting process. In addition, before laser cutting, the workpiece is directly placed on the laser cutting table, which will lead to the inability to ensure stability. Once the workpiece is offset, it will cause the cutting mechanism to cut incorrectly and produce the defect of precision change. Therefore, a laser cutting machine is needed to solve the problems existing in the prior art. Summary of the invention
[0004] The object of the present invention is to provide a laser cutting machine to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a laser cutting machine, comprising a cutting table, a cutting mechanism is arranged above the cutting table, a pressing mechanism is arranged on one side of the cutting mechanism, the pressing mechanism comprises a lifting slide box, a height adjustment screw and a rotating pressing assembly, the lifting slide box is fixed at the upper end surface of the cutting table, the height adjustment screw is rotatably connected to the inside of the lifting slide box, the rotating pressing assembly is arranged on one side of the lifting slide box, an adjustment mechanism is arranged inside the cutting table, a driving motor is arranged below the adjustment mechanism, a driving gear is sleeved and fixed on the output shaft of the driving motor, one side of the driving gear is meshedly connected to a first driven gear, and the other side of the driving gear is meshedly connected to a translation rack.
[0006] It should be noted in the scheme that the lower end of the height adjustment screw is fixed at the center of the upper end surface of the first driven gear, a lifting support plate is fixed to the bottom of the cutting table, and the first driven gear is arranged between the cutting table and the lifting support plate.
[0007] It is further worth explaining that the adjustment mechanism includes a support plate, a support frame and a connecting baffle, the support plate is arranged at the center of the upper port of the cutting table, the support frame is rotatably connected in the upper port of the cutting table, the connecting baffle is fixed between the support plate and the support frame, and a leakage port is arranged between the support plate, the support frame and the connecting baffle.
[0008] It should be further explained that the upper end of the output shaft of the driving motor is embedded and fixed on the supporting plate, the rotating pressure assembly is arranged directly above the supporting plate, the rotating pressure assembly includes a lifting and lowering pressure plate and a rotating pressure box, the lifting and lowering pressure plate is penetrated through the outside of the lifting and lowering slide box, the rotating pressure box is rotatably connected to the bottom of the lifting and lowering pressure plate, a height adjustment slider is fixed to one end of the lifting and lowering pressure plate, the height adjustment slider is slidably connected to the inside of the lifting and lowering slide box, a rotating hole is opened in the lifting and lowering pressure plate, a rotating block is fixed at the center of the upper end surface of the rotating pressure box, the rotating block is rotatably connected to the rotating hole of the lifting and lowering pressure plate, and an elastic rubber sleeve is arranged on the rotating block.
[0009] As a preferred embodiment, a height adjustment screw hole is provided on the upper end surface of the lifting and pressure plate, the height adjustment screw hole of the lifting and pressure plate is threadedly connected to the height adjustment screw, a rotating bearing is fixed to the inner top wall of the lifting slide box, and the upper end of the height adjustment screw extends into the rotating bearing.
[0010] As a preferred embodiment, a translation groove is formed on the upper end surface of the lifting support plate, a first give-way groove is formed on the upper end surface of the lifting support plate located on one side of the translation groove, a second give-way groove is formed on the upper end surface of the lifting support plate located on one side of the first give-way groove, the height adjustment screw is inserted into the second give-way groove of the lifting support plate, the output shaft of the drive motor is inserted into the first give-way groove of the lifting support plate, a translation slide is fixed to the lower end of the translation rack, and the translation slide is slidably connected in the translation groove of the lifting support plate.
[0011] As a preferred embodiment, a blowing mechanism is provided on one side of the cutting operating table, and the blowing mechanism includes a piston sleeve, a piston slide rod, a blowing air nozzle and a piston head. The piston sleeve is fixed on one side surface of the cutting operating table, the blowing air nozzle is fixed on one end face of the piston sleeve, the piston slide rod is slidably connected to the inside of the piston sleeve, and the piston head is fixed on one end of the piston slide rod extending into the piston sleeve.
[0012] As a preferred embodiment, a connecting bracket is provided between the piston slide rod and the translation slide bar, one end of the connecting bracket is fixed to the end surface of the translation slide bar, and the other end of the connecting bracket is fixed to one end of the piston slide rod extending out of the piston sleeve.
[0013] As a preferred embodiment, an air outlet is provided inside the air blowing nozzle, a material outlet is provided on one end surface of the cutting table, and one end of the air blowing nozzle extends into the material outlet of the cutting table.
[0014] As a preferred embodiment, a support pad is provided below the cutting table, a lifting bracket is fixed between the cutting table and the support pad, and the bottom of the driving motor is fixed to the upper end surface of the support pad.
[0015] Compared with the prior art, the laser cutting machine provided by the present invention has at least the following beneficial effects: The setting of the direction adjustment mechanism can drive the direction adjustment mechanism to rotate above the cutting operation table, so that the direction of the workpiece placed on the direction adjustment mechanism extending out of the cutting operation table can be adjusted so that the cutting mechanism can cut different parts of the workpiece.
[0016] Through the set pressing mechanism, the lifting and pressing plate continuously descends during the rotation of the workpiece until the workpiece is limited from the top, thereby reducing the trouble of displacement of the workpiece during the laser cutting process and affecting the cutting accuracy. In addition, before the cutting is completed and the material is taken out, the lifting and pressing plate can automatically control the reset and expand the workpiece removal operation space.
[0017] Through the provided blowing mechanism, during the rising process of the lifting and lowering pressure plate, the piston head runs synchronously with the piston in the piston sleeve and blows air through the blowing nozzle. The jetted airflow can, on the one hand, perform blowing cooling and cleaning treatment on the bottom of the workpiece placed on the cutting table, and on the other hand, perform blowing and pushing treatment on the debris falling into the discharge port of the cutting table. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a three-dimensional diagram of the overall structure of the present invention; Figure 2 It is a three-dimensional diagram of the cross-sectional structure of the cutting operation table of the present invention; Figure 3 A three-dimensional diagram of the translation rack structure of the present invention; Figure 4 It is a stereoscopic diagram of the discharge port structure of the present invention; Figure 5 It is a three-dimensional diagram of the cross-sectional structure of the cutting operation table of the present invention; Figure 6 It is a three-dimensional diagram of the cross-sectional structure of the lifting slide box of the present invention; Figure 7It is a three-dimensional diagram of the lifting and pressing plate structure of the present invention; Figure 8 A three-dimensional diagram of the support plate structure of the present invention; Fig. 9 It is a three-dimensional diagram of the piston sleeve structure of the present invention; Fig.10 It is a three-dimensional diagram of the cross-sectional structure of the piston sleeve of the present invention.
[0019] In the figure: 1. Cutting table; 2. Cutting mechanism; 3. Pressing mechanism; 4. Lifting slide box; 5. Heightening screw; 6. Rotating bearing; 7. Rotating pressing assembly; 8. Lifting and lowering pressure plate; 9. Heightening slide block; 10. Heightening screw hole; 11. Rotating hole; 12. Rotating press box; 13. Rotating block; 14. First driven gear; 15. Adjustment mechanism; 16. Support plate; 17. Support frame; 18. Connecting stop bar; 19. Leakage port ; 20. Driving motor; 21. Driving gear; 22. Translation rack; 23. Translation slide; 24. Lifting support plate; 25. Translation slide; 26. First give-way groove; 27. Second give-way groove; 28. Blowing mechanism; 29. Piston sleeve; 30. Connecting bracket; 31. Piston slide rod; 32. Blowing nozzle; 33. Piston head; 34. Air outlet; 35. Support pad; 36. Lifting bracket; 37. Discharge port. DETAILED DESCRIPTION
[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations. Specific embodiment 1 See also Figure 1-10 The present invention provides a laser cutting machine, including a cutting operation table 1, a cutting mechanism 2 is arranged above the cutting operation table 1, a material pressing mechanism 3 is arranged on one side of the cutting mechanism 2, the material pressing mechanism 3 includes a lifting slide box 4, a height adjustment screw 5 and a rotating pressing component 7, the lifting slide box 4 is fixed at the upper end surface of the cutting operation table 1, the height adjustment screw 5 is rotatably connected to the inside of the lifting slide box 4, the rotating pressing component 7 is arranged on one side of the lifting slide box 4, an adjustment mechanism 15 is arranged inside the cutting operation table 1, a driving motor 20 is arranged below the adjustment mechanism 15, a driving gear 21 is sleeved and fixed on the output shaft of the driving motor 20, one side of the driving gear 21 is meshedly connected with the first driven gear 14, and the other side of the driving gear 21 is meshedly connected with the translation rack 22.
[0022] It is worth explaining in detail that the lower end of the height adjustment screw 5 is fixed at the center of the upper end surface of the first driven gear 14 , a lifting support plate 24 is fixed to the bottom of the cutting table 1 , and the first driven gear 14 is arranged between the cutting table 1 and the lifting support plate 24 .
[0023] It is worth mentioning that the adjustment mechanism 15 includes a support plate 16, a support frame 17 and a connecting bar 18. The support plate 16 is arranged at the center of the upper port of the cutting table 1. The support frame 17 is rotatably connected in the upper port of the cutting table 1. The connecting bar 18 is fixed between the support plate 16 and the support frame 17. A material leakage port 19 is arranged between the support plate 16, the support frame 17 and the connecting bar 18.
[0024] This solution has the following working process: before use, turn on the drive motor 20, and the output shaft of the drive motor 20 drives the active gear 21 to rotate in the interlayer between the lifting support plate 24 and the cutting table 1, which can drive the adjustment mechanism 15 to rotate above the cutting table 1, so that the direction of the workpiece placed on the adjustment mechanism 15 extending out of the cutting table 1 can be adjusted so that the cutting mechanism 2 can cut different parts of the workpiece.
[0025] According to the above working process, it can be known that the direction adjustment mechanism 15 can be driven to rotate above the cutting table 1, so that the direction of the workpiece placed on the direction adjustment mechanism 15 extending out of the cutting table 1 can be adjusted so that the cutting mechanism 2 can cut different parts of the workpiece. Specific embodiment 2 See also Figure 1-10 The present invention provides a laser cutting machine, including a cutting operation table 1, a cutting mechanism 2 is arranged above the cutting operation table 1, a material pressing mechanism 3 is arranged on one side of the cutting mechanism 2, the material pressing mechanism 3 includes a lifting slide box 4, a height adjustment screw 5 and a rotating pressing component 7, the lifting slide box 4 is fixed at the upper end surface of the cutting operation table 1, the height adjustment screw 5 is rotatably connected to the inside of the lifting slide box 4, the rotating pressing component 7 is arranged on one side of the lifting slide box 4, an adjustment mechanism 15 is arranged inside the cutting operation table 1, a driving motor 20 is arranged below the adjustment mechanism 15, a driving gear 21 is sleeved and fixed on the output shaft of the driving motor 20, one side of the driving gear 21 is meshedly connected with the first driven gear 14, and the other side of the driving gear 21 is meshedly connected with the translation rack 22.
[0027] It is worth explaining in detail that the upper end of the output shaft of the driving motor 20 is embedded and fixed on the support plate 16, and the rotary pressure assembly 7 is arranged directly above the support plate 16. The rotary pressure assembly 7 includes a lifting and pressing plate 8 and a rotary pressure box 12. The lifting and pressing plate 8 is penetrated through the outside of the lifting slide box 4, and the rotary pressure box 12 is rotatably connected to the bottom of the lifting and pressing plate 8. A height adjustment slider 9 is fixed to one end of the lifting and pressing plate 8, and the height adjustment slider 9 is slidably connected to the inside of the lifting slide box 4. A rotating hole 11 is opened inside the lifting and pressing plate 8, and a rotating block 13 is fixed at the center of the upper end surface of the rotary pressure box 12. The rotating block 13 is rotatably connected to the rotating hole 11 of the lifting and pressing plate 8, and an elastic rubber sleeve is arranged on the rotating block 13.
[0028] It is worth mentioning that a height adjustment screw hole 10 is provided on the upper end surface of the lifting and pressure plate 8, and the height adjustment screw hole 10 of the lifting and pressure plate 8 is threadedly connected to the height adjustment screw 5. A rotating bearing 6 is fixed to the inner top wall of the lifting slide box 4, and the upper end of the height adjustment screw 5 extends into the rotating bearing 6.
[0029] This scheme has the following working process: during the rotation of the driving gear 21, since the driving gear 21 is meshed and connected with the first driven gear 14, the first driven gear 14 rotates accordingly and controls the rotation of the height-adjusting screw 5. The height-adjusting screw 5 rotates in the lifting slide box 4, so that the lifting and pressing plate 8 threadedly connected to the height-adjusting screw 5 is lifted and lowered along the lifting slide box 4. In this way, the lifting and pressing plate 8 continuously descends during the rotation of the workpiece until the workpiece is limited from the top, thereby reducing the trouble of displacement of the workpiece during the laser cutting process and affecting the cutting accuracy. In addition, before the cutting is completed and the material is taken out, the lifting and pressing plate 8 can automatically control the reset and expand the workpiece removal operation space.
[0030] According to the above working process, it can be known that the lifting and pressure plate 8 continues to descend during the rotation of the workpiece until the workpiece is limited from the top, thereby reducing the trouble of displacement of the workpiece during the laser cutting process and affecting the cutting accuracy. In addition, before the cutting is completed and the material is taken out, the lifting and pressure plate 8 can automatically control the reset and expand the workpiece removal operation space. Specific embodiment 3 See also Figure 1-10The present invention provides a laser cutting machine, including a cutting operation table 1, a cutting mechanism 2 is arranged above the cutting operation table 1, a material pressing mechanism 3 is arranged on one side of the cutting mechanism 2, the material pressing mechanism 3 includes a lifting slide box 4, a height adjustment screw 5 and a rotating pressing component 7, the lifting slide box 4 is fixed at the upper end surface of the cutting operation table 1, the height adjustment screw 5 is rotatably connected to the inside of the lifting slide box 4, the rotating pressing component 7 is arranged on one side of the lifting slide box 4, an adjustment mechanism 15 is arranged inside the cutting operation table 1, a driving motor 20 is arranged below the adjustment mechanism 15, a driving gear 21 is sleeved and fixed on the output shaft of the driving motor 20, one side of the driving gear 21 is meshedly connected with the first driven gear 14, and the other side of the driving gear 21 is meshedly connected with the translation rack 22.
[0032] It is worth explaining in detail that a translation groove 25 is provided on the upper end surface of the lifting support plate 24, a first give-way groove 26 is provided on the upper end surface of the lifting support plate 24 located on one side of the translation groove 25, a second give-way groove 27 is provided on the upper end surface of the lifting support plate 24 located on one side of the first give-way groove 26, the height adjustment screw 5 is penetrated and arranged in the second give-way groove 27 of the lifting support plate 24, the output shaft of the drive motor 20 is penetrated and arranged in the first give-way groove 26 of the lifting support plate 24, and a translation slide bar 23 is fixed to the lower end of the translation rack 22, and the translation slide bar 23 is slidably connected in the translation groove 25 of the lifting support plate 24.
[0033] It is worth mentioning that a blowing mechanism 28 is provided on one side of the cutting operating table 1, and the blowing mechanism 28 includes a piston sleeve 29, a piston slide rod 31, a blowing air nozzle 32 and a piston head 33. The piston sleeve 29 is fixed on the side surface of the cutting operating table 1, the blowing air nozzle 32 is fixed on one end surface of the piston sleeve 29, the piston slide rod 31 is slidably connected to the inside of the piston sleeve 29, and the piston head 33 is fixed on one end of the piston slide rod 31 extending into the piston sleeve 29.
[0034] It is worth mentioning that a connecting bracket 30 is provided between the piston slide rod 31 and the translation slide bar 23 , one end of the connecting bracket 30 is fixed on the end surface of the translation slide bar 23 , and the other end of the connecting bracket 30 is fixed on one end of the piston slide rod 31 extending out of the piston sleeve 29 .
[0035] It is worth to explain in detail that an air outlet 34 is arranged inside the air blowing nozzle 32 , a material outlet 37 is opened at one end surface of the cutting operation table 1 , and one end of the air blowing nozzle 32 extends into the material outlet 37 of the cutting operation table 1 .
[0036] It is worth to explain in detail that a support pad 35 is arranged below the cutting operation table 1 , a lifting bracket 36 is fixed between the cutting operation table 1 and the support pad 35 , and the bottom of the driving motor 20 is fixed on the upper end surface of the support pad 35 .
[0037] This solution has the following working process: since the driving gear 21 is meshed and connected with the translation rack 22, when the driving gear 21 initially rotates, the translation rack 22 slides along the lifting support plate 24 and controls the piston slide rod 31 to withdraw from the piston sleeve 29. Therefore, during the rising process of the lifting and lowering plate 8, the piston head 33 synchronizes the piston operation in the piston sleeve 29 and sprays air through the blowing nozzle 32. The sprayed airflow can, on the one hand, perform a spray cooling and cleaning treatment on the bottom of the workpiece placed on the cutting table 1, and on the other hand, perform a spray pushing treatment on the debris falling into the discharge port 37 of the cutting table 1.
[0038] According to the above working process, it can be known that: during the rising process of the lifting and lowering pressure plate 8, the piston head 33 synchronizes the piston operation in the piston sleeve 29 and sprays air through the blowing nozzle 32. The sprayed airflow can, on the one hand, perform a blowing and cleaning process on the bottom of the workpiece placed on the cutting table 1, and on the other hand, blow and push the debris falling into the discharge port 37 of the cutting table 1.
[0039] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. Although the embodiments of the present invention have been shown and described, the patent scope of the present invention is not limited thereby. Any equivalent structure or equivalent process transformation made by using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are equally included in the patent protection scope of the present invention. Regarding the contents of the embodiments of the present invention, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.
Claims
1. A laser cutting machine, comprising a cutting operating table (1), characterized in that: A cutting mechanism (2) is arranged above the cutting operation table (1), and a material pressing mechanism (3) is arranged on one side of the cutting mechanism (2). The material pressing mechanism (3) comprises a lifting slide box (4), a height adjustment screw rod (5) and a rotary pressing assembly (7). The lifting slide box (4) is fixed at the upper end surface of the cutting operation table (1), and the height adjustment screw rod (5) is rotatably connected inside the lifting slide box (4). The rotary pressing assembly (7) is arranged on one side of the lifting slide box (4). An adjustment mechanism (15) is arranged inside the cutting operation table (1), and a driving motor (20) is arranged below the adjustment mechanism (15). A driving gear (21) is sleeved and fixed on the output shaft of the driving motor (20), and one side of the driving gear (21) is meshedly connected to a first driven gear (14), and the other side of the driving gear (21) is meshedly connected to a translation rack (22).
2. A laser cutting machine according to claim 1, characterized in that: The lower end of the height adjustment screw rod (5) is fixed at the center of the upper end surface of the first driven gear (14), a lifting support plate (24) is fixed to the bottom of the cutting operation table (1), and the first driven gear (14) is arranged between the cutting operation table (1) and the lifting support plate (24).
3. A laser cutting machine according to claim 2, characterized in that: The direction adjustment mechanism (15) comprises a support plate (16), a support frame (17) and a connecting bar (18); the support plate (16) is arranged at the center of an upper port of the cutting operation table (1); the support frame (17) is rotatably connected to the upper port of the cutting operation table (1); the connecting bar (18) is fixed between the support plate (16) and the support frame (17); and a material leakage port (19) is arranged between the support plate (16), the support frame (17) and the connecting bar (18).
4. A laser cutting machine according to claim 3, characterized in that: The upper end of the output shaft of the driving motor (20) is embedded and fixed on the support plate (16), and the rotating pressure assembly (7) is arranged directly above the support plate (16). The rotating pressure assembly (7) comprises a lifting and pressing plate (8) and a rotating pressure box (12). The lifting and pressing plate (8) is inserted into the outside of the lifting slide box (4), and the rotating pressure box (12) is rotatably connected to the bottom of the lifting and pressing plate (8). A height adjustment slider (9) is fixed to one end of the lifting and pressing plate (8), and the height adjustment slider (9) is slidably connected to the inside of the lifting slide box (4). A rotating hole (11) is opened inside the lifting and pressing plate (8), and a rotating block (13) is fixed at the center of the upper end surface of the rotating pressure box (12). The rotating block (13) is rotatably connected to the rotating hole (11) of the lifting and pressing plate (8), and an elastic rubber sleeve is arranged on the rotating block (13).
5. A laser cutting machine according to claim 4, characterized in that: The upper end surface of the lifting and pressure plate (8) is provided with a height adjustment screw hole (10), the height adjustment screw hole (10) of the lifting and pressure plate (8) is threadedly connected to the height adjustment screw rod (5), the inner top wall of the lifting slide box (4) is fixed with a rotating bearing (6), and the upper end of the height adjustment screw rod (5) extends into the rotating bearing (6).
6. A laser cutting machine according to claim 5, characterized in that: The upper end surface of the lifting support plate (24) is provided with a translation groove (25), the upper end surface of the lifting support plate (24) is provided with a first give-way groove (26) on one side of the translation groove (25), the upper end surface of the lifting support plate (24) is provided with a second give-way groove (27) on one side of the first give-way groove (26), the height adjustment screw (5) is inserted into the second give-way groove (27) of the lifting support plate (24), the output shaft of the drive motor (20) is inserted into the first give-way groove (26) of the lifting support plate (24), and the lower end of the translation rack (22) is fixed with a translation slide bar (23), and the translation slide bar (23) is slidably connected in the translation groove (25) of the lifting support plate (24).
7. A laser cutting machine according to claim 6, characterized in that: A blowing mechanism (28) is provided on one side of the cutting operation table (1), and the blowing mechanism (28) comprises a piston sleeve (29), a piston slide rod (31), a blowing air nozzle (32) and a piston head (33). The piston sleeve (29) is fixed on a side surface of the cutting operation table (1), the blowing air nozzle (32) is fixed on an end surface of the piston sleeve (29), the piston slide rod (31) is slidably connected to the inside of the piston sleeve (29), and the piston head (33) is fixed to one end of the piston slide rod (31) extending into the piston sleeve (29).
8. A laser cutting machine according to claim 7, characterized in that: A connecting bracket (30) is provided between the piston slide rod (31) and the translation slide bar (23); one end of the connecting bracket (30) is fixed to an end surface of the translation slide bar (23); and the other end of the connecting bracket (30) is fixed to an end of the piston slide rod (31) extending out of the piston sleeve (29).
9. A laser cutting machine according to claim 8, characterized in that: An air outlet hole (34) is provided inside the air blowing nozzle (32), a material outlet (37) is provided on one end surface of the cutting operation table (1), and one end of the air blowing nozzle (32) extends into the material outlet (37) of the cutting operation table (1).
10. A laser cutting machine according to claim 9, characterized in that: A support pad (35) is provided below the cutting operation table (1), a lifting bracket (36) is fixed between the cutting operation table (1) and the support pad (35), and the bottom of the driving motor (20) is fixed to the upper end surface of the support pad (35).