Laser welding device suitable for precision welding

By integrating the smoke exhaust mechanism in the laser welding device, the smoke and exhaust gas generated during the welding process is solved, and the problem of smoke generated by traditional laser welding equipment is achieved to protect the operators and the environment.

CN222856997UActive Publication Date: 2025-05-13NANJING CHAOZHOU ELECTROMECHANICAL MFG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421295235.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-07
Publication Date
2025-05-13
Estimated Expiration
2034-06-07

AI Technical Summary

Technical Problem

Traditional laser welding equipment will produce smoke and other volatile harmful substances during the production process, which will endanger the health of the operator and affect the air quality of the working environment.

Method used

A laser welding device including an operating table, a moving mechanism, a welding mechanism and a smoke exhaust mechanism is designed. The smoke exhaust mechanism effectively captures and filters smoke dust and exhaust gas generated during welding through a cigarette inlet, air conduit pipe and a smoke exhaust box, combined with a filter net and a pumping fan.

Benefits of technology

It effectively reduces air pollution in the working environment, protects the health of operators, meets environmental protection requirements, and reduces the impact on the environment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222856997U_ABST
    Figure CN222856997U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of laser welding, and discloses a laser welding device suitable for precision welding, which comprises an operating platform, a moving mechanism, a welding mechanism and a smoke exhaust mechanism, a motor drives a screw rod to realize precise linear motion, the screw rod converts the rotary motion of the motor into linear motion, and the welding mechanism is driven by the motor to realize precise linear motion. The movable block is connected to the lead screw and moves left and right along with rotation of the lead screw, the telescopic motor further finely adjusts the position of the welding head, and it is ensured that the welding head is accurately aligned with a welding spot. According to the laser welding device suitable for precise welding, the precise moving mechanism and the welding mechanism with the multi-angle adjusting function are integrated, the extremely high operation precision is achieved, the telescopic motor and the fine adjustment device are used in cooperation, the position of the laser gun can be precisely controlled, and therefore various complex welding requirements are met; by means of the design, the welding precision is improved, and the flexibility of the device when various materials and complex mechanisms are processed is enhanced.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of laser welding, in particular to a laser welding device suitable for precision welding. Background Art

[0002] Precision welding equipment, especially laser welding equipment, is a key technology in modern manufacturing and is widely used in fine processing from aerospace to microelectronics and medical devices. Laser welding uses a high-energy laser beam as a heat source, which can provide highly concentrated energy, so that the welding area quickly reaches the melting point to form a weld. This method is particularly suitable for application scenarios that require extremely high precision and minimal heat-affected zone due to its precise energy control and non-contact operation characteristics.

[0003] Traditional laser welding equipment often produces smoke and other volatile harmful substances during operation, especially when processing materials such as metals or plastics. These fumes may contain tiny particles, toxic gases and metal oxides, which may not only pose a serious threat to the respiratory system and skin health of operators, but also affect the air quality of the working environment. Long-term exposure may even cause occupational diseases. In addition, welding smoke may also be deposited in the machine and working environment, affecting equipment performance and increasing maintenance costs. Utility Model Content

[0004] The purpose of the utility model is to provide a laser welding device suitable for precision welding, so as to solve the problem that the traditional laser welding equipment mentioned in the above background technology will generate smoke and other volatile harmful substances during the production process.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a laser welding device suitable for precision welding, the laser welding device suitable for precision welding comprises an operating table, a moving mechanism, a welding mechanism and a smoke exhaust mechanism, the upper end of the operating table is provided with a moving mechanism, the lower end of the moving mechanism is provided with a welding mechanism, and the inside of the operating table is provided with a smoke exhaust mechanism, the moving mechanism comprises a support arm, the lower end of the support arm is provided with a motor, the right end of the motor is provided with a lead screw, a movable block is penetrated by the lead screw, and a telescopic motor is provided at the lower end of the movable block, the welding mechanism comprises a first rotating arm, the lower end of the telescopic motor is provided with a first rotating arm, the first rotating arm is penetrated by a first rotating shaft, and a second rotating arm is provided on the lower side of the first rotating arm, the motor drives the lead screw to realize precise linear motion, the lead screw converts the rotational motion of the motor into linear motion, drives the movable block to move, the movable block is connected to the lead screw, and moves left and right with the rotation of the lead screw, and the telescopic motor further finely adjusts the position of the welding head to ensure precise alignment of the welding point.

[0006] Preferably, a second rotating shaft is provided through the second rotating arm, a micro motor is provided at the lower end of the second rotating shaft, the first rotating shaft enables the first rotating arm to rotate around it, and the micro motor provides additional power support for fine-tuning the position of the welding head.

[0007] Preferably, a fine-tuning device is provided at the lower end of the micromotor, and a laser generator is provided at the lower end of the fine-tuning device. The fine-tuning device fine-tunes the position of the welding head to ensure extremely high accuracy.

[0008] Preferably, a connecting plate is provided at the lower end of the laser generator, and a laser gun is provided at the lower end of the connecting plate. The connecting plate connects the laser generator and the laser gun to ensure stability.

[0009] Preferably, a control panel is provided at the left end of the operating table, and four supporting legs are provided at the lower end of the operating table.

[0010] Preferably, the smoke exhaust mechanism includes a smoke inlet hood, and the smoke inlet hood is arranged on the left and right sides of the upper end of the operating table, and the lower end of the smoke inlet hood is provided with an air duct, which transports the captured smoke to the smoke exhaust box.

[0011] Preferably, a smoke exhaust box is provided at the lower end of the operating table, a filter is provided inside the smoke exhaust box, an exhaust fan is provided at the lower end of the filter, the smoke exhaust box centrally processes the smoke transmitted, and has a built-in filter and exhaust fan, and the filter filters harmful particles and chemicals in the smoke.

[0012] Preferably, an exhaust hole is provided at the right end of the smoke exhaust box, and a maintenance door is provided at the front end of the smoke exhaust box, and the exhaust hole releases filtered clean air.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. This laser welding device is suitable for precision welding. It achieves extremely high operating accuracy by integrating a precise moving mechanism and a welding mechanism with multi-angle adjustment functions. The telescopic motor and the fine-tuning device are used together to accurately control the position of the laser gun, thereby adapting to various complex welding requirements. This design not only improves the welding accuracy, but also enhances the flexibility of the device in processing various materials and complex mechanisms;

[0015] 2. The laser welding device suitable for precision welding has a built-in exhaust mechanism designed to effectively capture and filter the smoke and exhaust gas generated during the welding process. The smoke hood and exhaust box are combined with exhaust fans and filters to effectively reduce air pollution in the working environment. This not only protects the health of the operators, but also meets environmental protection requirements and reduces the impact on the environment.

[0016] 3. This laser welding device suitable for precision welding has a stable operating table structure design and is equipped with support legs and anti-vibration devices to ensure the stability of the entire equipment during operation. In addition, the equipment is equipped with a safety protection cover and a safety interlock system to ensure the safety of the operator when using high-energy laser equipment and avoid accidental injuries. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 The amplification intention of the middle A;

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the welding mechanism of the utility model;

[0020] Figure 4 This is a schematic diagram of the smoke exhaust mechanism structure of the utility model.

[0021] In the figure: 1. operating table; 2. moving mechanism; 201. supporting arm; 202. motor; 203. screw rod; 204. movable block; 205. telescopic motor; 3. welding mechanism; 301. first rotating arm; 302. first rotating axis; 303. second rotating arm; 304. second rotating axis; 305. micromotor; 306. fine adjustment device; 307. laser generator; 308. connecting plate; 309. laser gun; 4. control panel; 5. supporting leg; 6. smoke exhaust mechanism; 601. smoke inlet hood; 602. air duct; 603. smoke exhaust box; 604. filter; 605. exhaust fan; 606. exhaust hole; 607. maintenance door. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 4The utility model provides a technical solution: a laser welding device suitable for precision welding, the laser welding device suitable for precision welding comprises an operating table 1, a moving mechanism 2, a welding mechanism 3 and a smoke exhaust mechanism 6, the upper end of the operating table 1 is provided with the moving mechanism 2, the lower end of the moving mechanism 2 is provided with the welding mechanism 3, the inside of the operating table 1 is provided with the smoke exhaust mechanism 6, the moving mechanism 2 comprises a support arm 201, the lower end of the support arm 201 is provided with a motor 202, the right end of the motor 202 is provided with a screw rod 203, the screw rod 203 is penetrated by a movable block 204, the lower end of the movable block 204 is provided with a telescopic motor 205, the welding mechanism 3 comprises a first rotating arm 301, the lower end of the telescopic motor 205 is provided with a first rotating arm 301, the first rotating arm 301 is penetrated by a first rotating shaft 302, the lower side of the first rotating arm 301 is provided with The second rotating arm 303 is provided with a second rotating shaft 304, and a micro motor 305 is provided at the lower end of the second rotating shaft 304. In this precision laser welding device, the operating table 1 provides basic support for the entire system, and integrates the moving mechanism 2, the welding mechanism 3 and the smoke exhaust mechanism 6 to ensure the high efficiency of the welding process and the safety of the environment. The moving mechanism 2 is installed on the top of the operating table 1, and the mechanism includes a support arm 201, and the lower end of the support arm is connected to the motor 202. The motor drives the movable block 204 to move up and down accurately through the screw rod 203. A telescopic motor 205 is also installed under the movable block to further improve the accuracy of position adjustment. The welding mechanism 3 is supported by the telescopic motor 205, and its lower end is connected to the first rotating arm 301. The rotating arm can achieve multi-angle adjustment through the first rotating shaft 302 and the second rotating arm 303.

[0024] A fine-tuning device 306 is provided at the lower end of the micromotor 305, a laser generator 307 is provided at the lower end of the fine-tuning device 306, a connecting plate 308 is provided at the lower end of the laser generator 307, a laser gun 309 is provided at the lower end of the connecting plate 308, a control panel 4 is provided at the left end of the operating table 1, four supporting legs 5 are provided at the lower end of the operating table 1, and a micromotor 305 is installed at the end of the second rotating arm 303. The laser generator 307 is driven by the fine-tuning device 306, so as to accurately control the welding position of the laser gun 309, and the laser gun is fixed by the connecting plate 308 to ensure the stability and accuracy of the welding process.

[0025] The smoke exhaust mechanism 6 includes a smoke inlet hood 601, which is arranged on the left and right sides of the upper end of the operating table 1, and an air guide duct 602 is arranged at the lower end of the smoke inlet hood 601. A smoke exhaust box 603 is arranged at the lower end of the operating table 1, and a filter screen 604 is arranged inside the smoke exhaust box 603. An exhaust fan 605 is arranged at the lower end of the filter screen 604, an exhaust hole 606 is arranged at the right end of the smoke exhaust box 603, and a maintenance door 607 is arranged at the front end of the smoke exhaust box 603. The smoke exhaust mechanism 6 is for handling welding. The system is designed for smoke generated during the process, including smoke inlet hoods 601 located on both sides of the operating table. These hoods introduce smoke into the smoke exhaust box 603 located below the operating table through the air duct 602. The smoke exhaust box is equipped with a filter 604 for capturing and filtering harmful particles, and the exhaust fan 605 helps to exhaust the filtered air through the exhaust hole 606. The smoke exhaust box is also provided with a maintenance door 607 to facilitate internal cleaning and maintenance. The entire system is controlled by a control panel 4 located at the left end of the operating table.

[0026] Working principle: In this precision laser welding device, the operating table 1 provides basic support for the entire system and integrates the moving mechanism 2, the welding mechanism 3 and the smoke exhaust mechanism 6 to ensure the efficiency of the welding process and the safety of the environment. The moving mechanism 2 is installed on the top of the operating table 1. The mechanism includes a support arm 201, and the lower end of the support arm is connected to the motor 202. The motor drives the movable block 204 through the screw rod 203 to move accurately left and right. A telescopic motor 205 is also installed under the movable block to further improve the accuracy of position adjustment. The welding mechanism 3 is supported by the telescopic motor 205, and its lower end is connected to the first rotating arm 301. The rotating arm can achieve multi-angle adjustment through the first rotating shaft 302 and the second rotating arm 303. A micro motor 305 is installed at the end of the second rotating arm 303. The fine-tuning device 306 drives the laser generator 307 to precisely control the welding position of the laser gun 309. The laser gun is fixed by a connecting plate 308 to ensure the stability and accuracy of the welding process. The smoke exhaust mechanism 6 is designed to handle the smoke generated during the welding process, including smoke inlet hoods 601 located on both sides of the operating table. These hoods introduce smoke into the smoke exhaust box 603 located below the operating table through the air duct 602. The smoke exhaust box is equipped with a filter 604 for capturing and filtering harmful particles, and the exhaust fan 605 helps to discharge the filtered air through the exhaust hole 606. The smoke exhaust box is also provided with a maintenance door 607 to facilitate internal cleaning and maintenance. The entire system is controlled by a control panel 4 located at the left end of the operating table, and the four support legs 5 at the bottom of the operating table ensure the stability of the equipment.

[0027] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A laser welding device suitable for precision welding, comprising an operating table (1), a moving mechanism (2), a welding mechanism (3) and a fume exhaust mechanism (6), characterized in that: The upper end of the operating table (1) is provided with a moving mechanism (2), the lower end of the moving mechanism (2) is provided with a welding mechanism (3), the operating table (1) is provided with a smoke exhaust mechanism (6), the moving mechanism (2) comprises a support arm (201), the lower end of the support arm (201) is provided with a motor (202), the right end of the motor (202) is provided with a screw rod (203), a movable block (204) is provided through the screw rod (203), the lower end of the movable block (204) is provided with a telescopic motor (205), the welding mechanism (3) comprises a first rotating arm (301), the lower end of the telescopic motor (205) is provided with a first rotating arm (301), the first rotating arm (301) is provided with a first rotating shaft (302), and the lower side of the first rotating arm (301) is provided with a second rotating arm (303).

2. A laser welding device suitable for precision welding according to claim 1, characterized in that: A second rotating shaft (304) is provided through the second rotating arm (303), and a micro motor (305) is provided at the lower end of the second rotating shaft (304).

3. A laser welding device suitable for precision welding according to claim 2, characterized in that: A fine adjustment device (306) is provided at the lower end of the micro motor (305), and a laser generator (307) is provided at the lower end of the fine adjustment device (306).

4. A laser welding device suitable for precision welding according to claim 3, characterized in that: A connecting plate (308) is provided at the lower end of the laser generator (307), and a laser gun (309) is provided at the lower end of the connecting plate (308).

5. The laser welding device suitable for precision welding according to claim 1, characterized in that: A control panel (4) is arranged at the left end of the operating table (1), and four supporting legs (5) are arranged at the lower end of the operating table (1).

6. A laser welding device suitable for precision welding according to claim 1, characterized in that: The smoke exhaust mechanism (6) comprises a smoke inlet hood (601), and the smoke inlet hood (601) is arranged on the left and right sides of the upper end of the operating table (1), and the lower end of the smoke inlet hood (601) is arranged with an air guide duct (602).

7. A laser welding device suitable for precision welding according to claim 1, characterized in that: A smoke exhaust box (603) is provided at the lower end of the operating table (1), a filter screen (604) is provided inside the smoke exhaust box (603), and an exhaust fan (605) is provided at the lower end of the filter screen (604).

8. A laser welding device suitable for precision welding according to claim 7, characterized in that: An exhaust hole (606) is provided at the right end of the smoke exhaust box (603), and a maintenance door (607) is provided at the front end of the smoke exhaust box (603).