Laser welding machine

By introducing slag-blocking and protective components into the laser welding machine, the problems of wear and harmful gas hazards caused by welding slag falling on the slide rail are solved, thus achieving slide rail protection and worker health protection.

CN224143737UActive Publication Date: 2026-04-21ZHEJIANG MINGTAI LASER TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG MINGTAI LASER TECH CO LTD
Filing Date
2025-05-22
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

Existing laser welding machines produce welding slag that easily falls onto the guide rails, leading to increased wear and affecting the normal use of the tip. At the same time, the harmful gases produced during the welding process endanger the health of workers.

Method used

A laser welding machine comprising a slag-blocking component and a protective component was designed. The slag-blocking component blocks welding slag with a slag-blocking belt and a spring, while the protective component blocks harmful gases with a protective cover and an exhaust fan, thus solving the problems of welding slag and harmful gases respectively.

Benefits of technology

It effectively prevents welding slag from falling onto the slide rail, protects the slide rail and slide table, prevents wear, blocks harmful gases from entering, and protects the health of workers.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of welding equipment, and discloses a laser welding machine which is characterized in that a slag stopping assembly comprises a boss fixedly arranged above a workbench, a clockwork spring, a slag stopping belt, an inserting buckle fixedly arranged at the right end of the slag stopping belt, and an inserting sleeve fixedly arranged on the left side of a sliding table; the spring is located in the groove, the starting end of the spring is fixedly connected with the cylinder, the left end of the slag stopping belt is inserted into the inserting groove and the groove and then fixedly connected with the tail end of the spring, the inserting buckle is inserted into the inserting sleeve and connected with the inserting sleeve in a buckled mode, and the slag stopping belt and the inserting sleeve are both located over the sliding rail. The protection assembly comprises a protection cover fixedly arranged above the workbench and a front door arranged on the front side of the protection cover in a sliding mode. The utility model has the beneficial effects of preventing welding slag from falling on the slide rail and blocking harmful gas, and solves the problems that when the welding slag falls on the slide rail, the abrasion between the slide rail and the sliding table is aggravated, so that the normal use of the tip is influenced, and the physical health of workers is influenced because the workers inhale harmful gas for a long time.
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Description

Technical Field

[0001] This utility model relates to the field of welding equipment technology, specifically to a laser welding machine. Background Technology

[0002] Laser welding utilizes high-energy laser pulses to locally heat a small area of ​​material. The energy from the laser radiation diffuses into the material through heat conduction, melting the material and forming a specific molten pool. It is a novel welding method, primarily used for welding thin-walled materials and precision parts. It can achieve spot welding, butt welding, and sealing welding, with fast welding speed, smooth and aesthetically pleasing welds, requiring no or only simple post-weld treatment, and producing high-quality welds.

[0003] Existing laser welding machines for processing pipes and rods typically have chucks and centers for clamping. The centers are slidably mounted on the worktable via slide rails and slide tables. During laser welding, impurities on the surface of the welding material or improper power settings can produce weld slag. When the weld slag falls onto the slide rails, it accelerates the wear of the slide rails and slide tables, eventually affecting the normal use of the centers. Laser welding machines also produce harmful gases during welding. Long-term inhalation of these harmful gases can lead to health problems for workers. Utility Model Content

[0004] The purpose of this invention is to provide a laser welding machine to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a laser welding machine, comprising a worktable, an X-axis assembly fixedly mounted above the worktable, a Y-axis assembly mounted above the X-axis assembly, a Z-axis assembly mounted above the Y-axis assembly, a laser welding head mounted on the front side of the Z-axis assembly, a chuck and slide rail fixedly mounted above the worktable, a slide table slidably mounted on the slide rail, and a center point mounted above the slide table. The X-axis assembly is located behind the slide rail, and the chuck is located on the left side of the slide rail. The worktable is provided with a slag-blocking assembly and a protective assembly. The slag-blocking assembly includes a boss fixedly mounted above the worktable and a spring-loaded spring. The system includes a spring, a slag-blocking belt, a buckle fixedly installed at the right end of the slag-blocking belt, and a sleeve fixedly installed on the left side of the slide table. A groove is provided on the front side wall of the boss, and a cylinder is fixedly installed inside the groove. The spring is located inside the groove, and its starting end is fixedly connected to the cylinder. A slot communicating with the groove is provided on the right side wall of the boss. The left end of the slag-blocking belt is inserted into the slot and groove and then fixedly connected to the end of the spring. The buckle is inserted into the sleeve and engaged with the sleeve. The slag-blocking belt and the sleeve are both located directly above the slide rail. The protective assembly includes a protective cover fixedly installed above the worktable and a front door slidably installed on the front side of the protective cover.

[0006] Preferably, the slag-blocking assembly further includes an iron bar and a magnetic plate fixedly disposed above the workbench and located in front of the slide rail. The slide table has a through groove extending vertically, with the through groove located directly above the iron bar. The magnetic plate is inserted into the through groove and magnetically connected to the iron bar.

[0007] Preferably, the slag-blocking assembly further includes slag-blocking cloths located on the front and rear sides of the slide rail, a number of inserts are fixedly installed on the worktable, and a number of through holes are opened on the slag-blocking cloth. After the inserts are inserted into the through holes, the slag-blocking cloth contacts and connects with the worktable.

[0008] Preferably, a T-shaped strip is fixedly provided on the front side of the protective cover, and a T-shaped groove is provided on the rear side wall of the front door. The T-shaped strip is inserted into the T-shaped groove and slidably connected to the front door. The protective component also includes magnet A fixedly provided on the left and right sides of the protective cover and magnet B fixedly provided on the left and right sides of the front door. The magnet A is located directly above the magnet B.

[0009] Preferably, the protective assembly further includes an exhaust fan installed on the rear side of the shield and an exhaust pipe installed on the rear side of the exhaust fan.

[0010] Preferably, both the slag-blocking belt and the slag-blocking cloth are high-silica cloth.

[0011] Preferably, the front door has a through-hole for observation, a transparent light shield is fixedly installed in the observation hole, and a handle is fixedly installed on the front side of the front door.

[0012] The beneficial effects of this utility model are as follows: When the laser welding machine produces welding slag during the welding process, the slag will fall downwards. At this time, the slag-blocking band will block the welding slag, thus preventing it from falling onto the slide rail and preventing accelerated wear between the slide rail and the slide table. The lengths of the pipes and rods to be processed are usually not the same. Pushing the slide table to slide on the slide rail will drive the center point to slide, which can accommodate pipes and rods of different lengths. At this time, the right end of the slag-blocking band will slide with the slide table, and the excess slag-blocking band will be wound onto the spring, which will adapt to the gap between the chuck and the center point, facilitating the adjustment of the slide. The guide rail is protected; since a protective cover is fixedly installed above the worktable, and a front door is slidably installed on the front side of the cover, it plays a role in blocking harmful gases and preventing workers from inhaling harmful gases; in summary, this utility model has the beneficial effects of preventing welding slag from falling on the guide rail and blocking harmful gases, solving the problem that welding slag is generated during laser welding, and when welding slag falls on the guide rail, it will cause the guide rail and the slide table to wear more rapidly, which will affect the normal use of the tip. Laser welding machines also generate harmful gases during welding, and long-term inhalation of harmful gases by workers will affect their health. Attached Figure Description

[0013] Appendix Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Appendix Figure 2 This is a schematic diagram of the front door opening of this utility model;

[0015] Appendix Figure 3 This is a schematic diagram of the internal structure of the present invention;

[0016] Appendix Figure 4 For the appendix Figure 1 Enlarged view of point A in the middle.

[0017] In the diagram: 1. Worktable; 2. X-axis assembly; 3. Y-axis assembly; 4. Z-axis assembly; 5. Laser welding head; 6. Chuck; 7. Slide rail; 8. Slide table; 9. Center; 10. Boss; 11. Spring; 12. Slag baffle; 13. Buckle; 14. Sleeve; 15. Groove; 16. Cylinder; 17. Slot; 18. Protective cover; 19. Front door; 20. Iron bar; 21. Magnetic plate; 22. Through groove; 23. Slag baffle cloth; 24. Insert post; 25. Through hole; 27. T-shaped strip; 28. T-shaped groove; 29. ​​Magnet A; 30. Magnet B; 31. Exhaust fan; 32. Exhaust pipe; 33. Observation slot; 34. Transparent light shield; 35. Handle. Detailed Implementation

[0018] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0019] like Figure 1-4As shown, this utility model discloses a laser welding machine, including a worktable 1, an X-axis assembly 2 fixedly mounted above the worktable 1, a Y-axis assembly 3 mounted above the X-axis assembly 2, a Z-axis assembly 4 mounted above the Y-axis assembly 3, a laser welding head 5 mounted on the front side of the Z-axis assembly 4, a chuck 6 and a slide rail 7 fixedly mounted above the worktable 1, a slide table 8 slidably mounted on the slide rail 7, and a center point 9 mounted above the slide table 8. The X-axis assembly 2 is located behind the slide rail 7, and the chuck 6 is located to the left of the slide rail 7. The worktable 1 is provided with a slag-blocking assembly and a protective assembly. The slag-blocking assembly includes a boss 10 fixedly mounted above the worktable 1, a spring-loaded spring 11, a slag-blocking band 12, and a laser welding head 5 fixedly mounted on the right end of the slag-blocking band 12. The buckle 13 and the sleeve 14 are fixedly installed on the left side of the slide table 8. The boss 10 has a groove 15 on its front side wall. A cylinder 16 is fixedly installed inside the groove 15. The spring 11 is located inside the groove 15 and its starting end is fixedly connected to the cylinder 16. The boss 10 has a slot 17 on its right side wall that communicates with the groove 15. The left end of the slag-blocking belt 12 is inserted into the slot 17 and the groove 15 and then fixedly connected to the end of the spring 11. The buckle 13 is inserted into the sleeve 14 and fastened to the sleeve 14. The slag-blocking belt 12 and the sleeve 14 are both located directly above the slide rail 7. The protective assembly includes a protective cover 18 fixedly installed above the worktable 1 and a front door 19 slidably installed on the front side of the protective cover 18.In use, the spring 11 is placed inside the groove 15, and the beginning end of the spring 11 is fixedly connected to the cylinder 16. The left end of the slag-blocking strip 12 is inserted into the slot 17 and the groove 15, and the left end of the slag-blocking strip 12 is fixedly connected to the end of the spring 11. The buckle 13 is inserted into the sleeve 14 and fastened to the sleeve 14, so that the right end of the slag-blocking strip 12 is fixed to the slide table 8 and the slag-blocking strip 12 is positioned above the slide rail 7. When the laser welding machine produces welding slag during the welding process, the welding slag will fall down. At this time, the slag-blocking strip 12 will block the welding slag, which will prevent the welding slag from falling on the slide rail 7, thereby preventing the slide rail 7 and the slide table 8 from wearing out. The lengths of the pipes and rods to be processed are usually not the same. Pushing the slide table 8 to slide on the slide rail 7 will drive the tip 9 to slide, which can adapt to pipes and rods of different lengths. At this time, the right end of the slag-blocking belt 12 will slide along the slide table 8, and the excess slag-blocking belt 12 will be wound onto the spring 11, which serves to adapt to the gap between the chuck 6 and the tip 9, and facilitates the protection of the slide rail 7; since a protective cover 18 is fixedly installed above the worktable 1, and a front door 19 is slidably installed on the front side of the protective cover 18, it serves to block harmful gases and prevent workers from inhaling harmful gases; in summary, this utility model has the beneficial effects of preventing welding slag from falling on the slide rail 7 and blocking harmful gases, solving the problem that welding slag is generated during laser welding, and when welding slag falls on the slide rail 7, it will cause the slide rail 7 and slide table 8 to wear more rapidly, which will affect the normal use of the tip 9. Laser welding machines also generate harmful gases during welding, and long-term inhalation of harmful gases by workers will affect their health.

[0020] Preferably, the slag-blocking assembly further includes an iron bar 20 and a magnetic plate 21 fixedly disposed above the worktable 1 and located in front of the slide rail 7. The slide table 8 has a through groove 22 extending vertically, with the through groove 22 located directly above the iron bar 20. After the magnetic plate 21 is inserted into the through groove 22, it is magnetically connected to the iron bar 20. Since the through groove 22 is located directly above the iron bar 20, after the positions of the slide table 8 and the tip 9 are determined, the magnetic plate 21 is inserted into the through groove 22 and magnetically connected to the iron bar 20. The magnetic attraction force of the magnetic plate 21 is greater than the tension of the spring 11, thus fixing the slide table 8.

[0021] Preferably, the slag-blocking assembly further includes slag-blocking cloths 23 located on both sides of the slide rail 7. A plurality of insertion posts 24 are fixedly installed on the worktable 1. A plurality of through holes 25 are formed on the slag-blocking cloth 23. After the insertion posts 24 are inserted into the through holes 25, the slag-blocking cloth 23 contacts and connects with the worktable 1. Because the insertion posts 24 connect the slag-blocking cloth 23 to the worktable 1 after being inserted into the through holes 25, they effectively expand and fix the slag-blocking cloth 23. The slag-blocking cloth 23 catches the splashed welding slag, facilitating subsequent cleaning of the welding slag.

[0022] Preferably, a T-shaped strip 27 is fixedly provided on the front side of the protective cover 18, and a T-shaped groove 28 is provided on the rear side wall of the front door 19. The T-shaped strip 27 is inserted into the T-shaped groove 28 and slidably connected to the front door 19. The protective assembly also includes magnets A29 fixedly provided on the left and right sides of the protective cover 18 and magnets B30 fixedly provided on the left and right sides of the front door 19, with magnet A29 located directly above magnet B30. Since the T-shaped strip 27 is inserted into the T-shaped groove 28 and slidably connected to the front door 19, it facilitates the sliding of the front door 19 and prevents the front door 19 from falling off. Since magnet A29 is located directly above magnet B30, pulling the front door 19 upwards opens the front door 19, causing magnet A29 and magnet B30 to magnetically connect, thus fixing the front door 19 and preventing it from falling off.

[0023] Preferably, the protective assembly further includes an exhaust fan 31 installed on the rear side of the protective cover 18 and an exhaust pipe 32 installed on the rear side of the exhaust fan 31. Since the exhaust fan 31 is installed on the rear side of the protective cover 18 and the exhaust pipe 32 is installed on the rear side of the exhaust fan 31, the exhaust pipe 32 is connected to an external fume purifier through a pipe. When the laser welding machine is welding, the exhaust fan 31 is turned on to discharge the harmful gases generated during welding into the exhaust pipe 32, and then transport them into the fume purifier, thus playing the role of discharging harmful gases.

[0024] Preferably, both the slag-blocking belt 12 and the slag-blocking cloth 23 are made of high-silica cloth. Because both the slag-blocking belt 12 and the slag-blocking cloth 23 are made of high-silica cloth, they possess characteristics such as good high-temperature stability, ablation resistance, and high mechanical strength.

[0025] Preferably, the front door 19 has a through-hole 33, a transparent light-shielding plate 34 is fixedly installed inside the observation slot 33, and a handle 35 is fixedly installed on the front side of the front door 19. The transparent light-shielding plate 34 fixedly installed inside the observation slot 33 serves to block welding light and facilitate observation of the welding process; the handle 35 fixedly installed on the front side of the front door 19 facilitates pulling the front door 19.

[0026] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A laser welding machine, comprising a worktable (1), an X-axis assembly (2) fixedly disposed above the worktable (1), a Y-axis assembly (3) mounted above the X-axis assembly (2), a Z-axis assembly (4) mounted above the Y-axis assembly (3), a laser welding head (5) mounted on the front side of the Z-axis assembly (4), a chuck (6) and a slide rail (7) fixedly disposed above the worktable (1), a slide table (8) slidably disposed on the slide rail (7), and a tip (9) mounted above the slide table (8), wherein the X-axis assembly (2) is located behind the slide rail (7), and the chuck (6) is located on the left side of the slide rail (7), characterized in that: The workbench (1) is provided with a slag-blocking assembly and a protective assembly. The slag-blocking assembly includes a boss (10) fixedly mounted above the workbench (1), a spring (11), a slag-blocking band (12), a buckle (13) fixedly mounted on the right end of the slag-blocking band (12), and a sleeve (14) fixedly mounted on the left side of the slide (8). A groove (15) is provided on the front side wall of the boss (10). A cylinder (16) is fixedly mounted inside the groove (15). The spring (11) is located inside the groove (15) and the beginning of the spring (11) is connected to the cylinder (16). 16) Fixed connection, the right side wall of the boss (10) is provided with a slot (17) communicating with the groove (15), the left end of the slag-blocking belt (12) is inserted into the slot (17) and the groove (15) and then fixedly connected to the end of the spring (11), the buckle (13) is inserted into the sleeve (14) and fastened to the sleeve (14), the slag-blocking belt (12) and the sleeve (14) are both located directly above the slide rail (7), the protective component includes a protective cover (18) fixedly installed above the workbench (1) and a front door (19) slidably installed in front of the protective cover (18).

2. A laser welding machine according to claim 1, characterised in that: The slag-blocking assembly also includes an iron bar (20) and a magnetic plate (21) fixedly installed above the workbench (1) and in front of the slide rail (7). The slide table (8) has a through groove (22) extending vertically. The through groove (22) is located directly above the iron bar (20). After the magnetic plate (21) is inserted into the through groove (22), it is magnetically connected to the iron bar (20).

3. A laser welding machine as claimed in claim 1, characterized in that: The slag-blocking assembly also includes slag-blocking cloths (23) located on the front and rear sides of the slide rail (7). Several inserts (24) are fixedly installed on the workbench (1). Several through holes (25) are opened on the slag-blocking cloth (23). After the inserts (24) are inserted into the through holes (25), the slag-blocking cloth (23) contacts and connects with the workbench (1).

4. The laser welder of claim 1, wherein: The protective cover (18) is fixedly provided with a T-shaped strip (27) on the front side, and a T-shaped groove (28) is provided on the rear side wall of the front door (19). The T-shaped strip (27) is inserted into the T-shaped groove (28) and slidably connected to the front door (19). The protective assembly also includes magnets A (29) fixedly provided on the left and right sides of the protective cover (18) and magnets B (30) fixedly provided on the left and right sides of the front door (19). The magnets A (29) are located directly above the magnets B (30).

5. The laser welder of claim 1, wherein: The protective assembly also includes an exhaust fan (31) installed on the rear side of the shield (18) and an exhaust pipe (32) installed on the rear side of the exhaust fan (31).

6. A laser welding machine as claimed in claim 3, characterized in that: Both the slag-blocking belt (12) and the slag-blocking cloth (23) are high-silica cloth.

7. A laser beam welder as defined in claim 4, characterized in that: The front door (19) has an observation slot (33) that runs through the front and back. A transparent light shield (34) is fixedly installed inside the observation slot (33). A handle (35) is fixedly installed on the front side of the front door (19).