Blowing protection device for semiconductor welding treatment

Abstract

The utility model discloses a blowing protection device for semiconductor welding treatment, which relates to the technical field of laser welding, and comprises a laser welding head, a coaxial blowing cylinder is fixedly mounted at the lower end of the laser welding head, and the lower end of the coaxial blowing cylinder is fixedly provided with an air outlet. A first air inlet pipe is fixedly connected to the surface of the coaxial air blowing cylinder, a fixing frame is fixedly connected to one side of the laser welding head, a mounting plate is arranged on the side, away from the laser welding head, of the fixing frame, two fixing plates are fixedly connected to the surface of the mounting plate, and side air blowing cylinders are arranged on the sides, away from the mounting plate, of the two fixing plates. The surface of the side blowing inflator is fixedly connected with a second air inlet pipe. According to the blowing protection device for semiconductor welding treatment, through the arrangement of the first air inlet pipe and the second air inlet pipe, a worker can conduct coaxial blowing or side blowing on the device according to the actual welding condition, the device does not need to be disassembled and installed, and the worker can weld a semiconductor conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of laser welding, in particular to an air blowing protection device used for semiconductor welding processing. Background Art

[0002] Laser welding is one of the important aspects of the application of laser material processing technology, and semiconductor laser welding is an important component of laser welding. It is mainly used for low-melting-point metal welding and plastic welding. Gas protection is one of the key factors affecting the quality of laser welding. Commonly used gas protection methods include side-axis gas blowing protection and coaxial gas blowing protection.

[0003] However, when the existing air blowing protection device is in use, the side-axis air blowing protection, i.e., the side air blowing protection and the coaxial air blowing protection are often separated and exist independently, which results in that when the workers are welding the semiconductor, if the coaxial air blowing protection is required, the original side air blowing needs to be removed, and vice versa, if the side air blowing is performed, the coaxial air blowing protection needs to be removed, which is more troublesome to use. Therefore, an air blowing protection device for semiconductor welding processing is proposed. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide an air blowing protection device for semiconductor welding processing, which can solve the problems of the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a blowing protection device for semiconductor welding processing, comprising a laser welding head, a coaxial air blow cylinder is fixedly installed on the lower end of the laser welding head, a first air inlet pipe connected to the inside of the coaxial air blow cylinder is fixedly connected to the surface of the coaxial air blow cylinder, a fixing frame is fixedly connected to one side of the laser welding head, a mounting plate is arranged on the side of the fixing frame away from the laser welding head, two fixing plates are fixedly connected to the surface of the mounting plate, a side blowing air cylinder is arranged on the side of the two fixing plates away from the mounting plate, and a second air inlet pipe is fixedly connected to the surface of the side blowing air cylinder.

[0006] Preferably, a connecting block is fixedly connected to one side of the side blowing air cylinder close to the fixed plate, and two ends of the connecting block are rotatably connected to the inside of the two fixed plates respectively.

[0007] Preferably, one of the fixed plates is internally rotatably connected to a first rotating shaft protruding from the surface of the fixed plate, the surface of the first rotating shaft located inside the fixed plate is fixedly connected to a worm, one end of the connecting block is fixedly connected to a worm wheel, and the surface of the worm is meshingly connected to the surface of the worm wheel.

[0008] Preferably, the inner wall of the fixed frame is rotatably connected to a threaded rod, the inner wall of the fixed frame is slidably connected to the first movable frame, the threaded rod penetrates the surface of the first movable frame and is connected to the internal thread of the first movable frame, the inner wall of the first movable frame is slidably connected to the second movable frame, the inner wall of the second movable frame is slidably connected to the third movable frame, and one side of the third movable frame is fixedly connected to the mounting plate.

[0009] Preferably, gears are rotatably connected on both sides of the first movable frame, first racks are fixedly connected on both sides of the inner wall of the fixed frame, and the surface of the first rack is meshingly connected to the surface of the gear, and second racks are fixedly connected on both sides of the outer surface of the second movable frame, and the surface of the second rack is meshingly connected to the surface of the gear.

[0010] Preferably, both sides of the second movable frame are also rotatably connected with gears, both sides of the inner wall of the first movable frame are also fixedly connected with first racks, the first rack on the inner wall of the first movable frame is meshingly connected with the gear on the second movable frame, and both sides of the outer surface of the third movable frame are also fixedly connected with second racks, and the second rack on the third movable frame is meshingly connected with the gear on the second movable frame.

[0011] Preferably, the gears on the second moving frame and the gears on the first moving frame are offset from each other.

[0012] Preferably, the fixed frame is internally rotatably connected to a second rotating shaft protruding from the surface of the fixed frame, and one end of the second rotating shaft located inside the fixed frame is also fixedly connected to a worm, and the surface of the threaded rod is fixedly connected to a worm wheel, and the worm on the second rotating shaft is meshingly connected to the worm wheel on the threaded rod.

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

[0014] (1) The blowing protection device for semiconductor welding processing, through the arrangement of the first air inlet pipe and the second air inlet pipe, enables the staff to connect the first air inlet pipe or the second air inlet pipe with the external air supply equipment according to the actual welding situation, so that the device can perform coaxial blowing or side blowing, thereby eliminating the need to disassemble and install the equipment, thereby facilitating the staff to weld the semiconductor and improving the use effect of the device, which is worthy of promotion.

[0015] (2) With the air blowing protection device for semiconductor welding processing, the staff can adjust the angle of the side air blowing cylinder by rotating the second rotating shaft and the first rotating shaft to ensure that the side air blowing cylinder can act on the welding position of the semiconductor. At the same time, the staff can adjust the angle of the side air blowing cylinder by rotating the second rotating shaft and the first rotating shaft to enable the side air blowing cylinder to blow at different angles, thereby further improving the scope of application of the device and improving the versatility of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

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

[0018] Figure 2 For this utility model Figure 1 The enlarged schematic diagram at A in the middle;

[0019] Figure 3 This is a schematic diagram of the internal structure of the fixed plate of the utility model;

[0020] Figure 4 It is a schematic diagram of the internal structure of the fixed frame of the utility model.

[0021] Figure numerals: 1. coaxial air cylinder; 2. first air inlet pipe; 3. laser welding head; 4. second air inlet pipe; 5. side air cylinder; 6. fixed frame; 7. mounting plate; 8. fixed plate; 9. first rotating shaft; 10. connecting block; 11. worm gear; 12. worm; 13. second rotating shaft; 14. third moving frame; 15. first moving frame; 16. threaded rod; 17. first rack; 18. gear; 19. second rack; 20. second moving frame. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] See also Figure 1-4The utility model provides a technical solution: a blowing protection device for semiconductor welding processing, comprising a laser welding head 3, a coaxial blowing cylinder 1 is fixedly installed at the lower end of the laser welding head 3, a first air inlet pipe 2 which is connected to the inside of the coaxial blowing cylinder 1 is fixedly connected to the surface of the coaxial blowing cylinder 1, and is used to inject protective gas into the coaxial blowing cylinder 1, thereby blowing protection for the welded semiconductor workpiece, a fixed frame 6 is fixedly connected to one side of the laser welding head 3, a mounting plate 7 is arranged on the side of the fixing frame 6 away from the laser welding head 3, two fixing plates 8 are fixedly connected to the surface of the mounting plate 7, and the two fixing plates 8 are away from the mounting plate 7 A side blowing air cylinder 5 is provided on one side, and a connecting block 10 is fixedly connected to one side of the side blowing air cylinder 5 close to the fixed plate 8. The two ends of the connecting block 10 are respectively rotatably connected to the inner parts of the two fixed plates 8. The surface of the side blowing air cylinder 5 is fixedly connected to the second air inlet pipe 4. Furthermore, through the setting of the first air inlet pipe 2 and the second air inlet pipe 4, the staff can connect the first air inlet pipe 2 or the second air inlet pipe 4 to the external air supply equipment according to the actual welding situation, so that the device can perform coaxial air blowing or side air blowing, and there is no need to disassemble and install the equipment, which facilitates the staff to weld semiconductors and improves the use effect of the device, which is worthy of promotion.

[0024] Furthermore, a fixed plate 8 is internally rotatably connected to a first rotating shaft 9 protruding from the surface of the fixed plate 8. The surface of the first rotating shaft 9 located inside the fixed plate 8 is fixedly connected to a worm 12. One end of the connecting block 10 is fixedly connected to a worm wheel 11. The surface of the worm 12 is meshed with the surface of the worm wheel 11. Therefore, the staff can rotate the first rotating shaft 9 and utilize the meshing of the worm 12 and the worm wheel 11 to drive the connecting block 10 to rotate between the two fixed plates 8, thereby changing the angle of the side blowing cylinder 5, thereby changing the blowing angle of the side blowing cylinder 5. At the same time, through the setting of the worm 12 and the worm wheel 11, the rotation angle of the connecting block 10 can be locked, thereby locking the rotation angle of the side blowing cylinder 5, avoiding the situation where the angle of the side blowing cylinder 5 changes during the semiconductor welding process, and ensuring the stability of the side blowing cylinder 5 during operation.

[0025] The inner wall of the fixed frame 6 is rotatably connected with a threaded rod 16, and the inner wall of the fixed frame 6 is slidably connected with a first moving frame 15, and the threaded rod 16 penetrates the surface of the first moving frame 15 and is connected with the internal thread of the first moving frame 15, and both sides of the first moving frame 15 are rotatably connected with a gear 18, and both sides of the inner wall of the fixed frame 6 are fixedly connected with a first rack 17, and the surface of the first rack 17 is meshed with the surface of the gear 18, and the inner wall of the first moving frame 15 is slidably connected with a second moving frame 20, and both sides of the outer surface of the second moving frame 20 are fixedly connected with a second rack 19, and the surface of the second rack 19 is meshed with the surface of the gear 18, and the second moving frame 20 is fixedly connected with a second rack 19. The inner wall is slidably connected to a third moving frame 14, one side of the third moving frame 14 is fixedly connected to the mounting plate 7, both sides of the second moving frame 20 are also rotatably connected to gears 18, the gears 18 on the second moving frame 20 and the gears 18 on the first moving frame 15 are staggered with each other, both sides of the inner wall of the first moving frame 15 are also fixedly connected to first racks 17, the first racks 17 on the inner wall of the first moving frame 15 are meshingly connected to the gears 18 on the second moving frame 20, and both sides of the outer surface of the third moving frame 14 are also fixedly connected to second racks 19, the second racks 19 on the third moving frame 14 are meshingly connected to the gears 18 on the second moving frame 20.

[0026] Furthermore, the interior of the fixed frame 6 is rotatably connected to a second rotating shaft 13 protruding from the surface of the fixed frame 6, and one end of the second rotating shaft 13 located inside the fixed frame 6 is also fixedly connected to a worm 12, and the surface of the threaded rod 16 is fixedly connected to a worm wheel 11, and the worm 12 on the second rotating shaft 13 is meshed with the worm wheel 11 on the threaded rod 16, so that the staff can drive the second rotating shaft 13 from the outside, thereby driving the threaded rod 16 to rotate.

[0027] Specifically, when coaxial blowing is required, the staff can directly connect the external blowing equipment to the first air inlet pipe 2, so that the coaxial blowing tube 1 can blow air, thereby realizing coaxial blowing. When side blowing is required, the staff can first rotate the second rotating shaft 13 to drive the threaded rod 16 to rotate, thereby driving the first movable frame 15 to slide in the fixed frame 6, thereby causing the gear 18 to roll on the first rack 17, thereby driving the second movable frame 20 to slide in the first movable frame 15 through the meshing connection between the gear 18 and the second rack 19, and similarly, the third movable frame 14 slides in the first movable frame 15 at the same time, thereby driving the mounting plate 7 to gradually move away from the fixed frame 6, thereby changing the extended length of the side blowing tube 5, and then the staff can rotate the first rotating shaft 9 , the angle of the side blowing cylinder 5 is changed so that the blowing port of the side blowing cylinder 5 can act on the welding position of the semiconductor, ensuring the smooth progress of the side blowing, so that the staff can adjust the angle of the side blowing cylinder 5 by rotating the second rotating shaft 13 and the first rotating shaft 9 in turn, ensuring that the side blowing cylinder 5 can act on the welding position of the semiconductor. At the same time, the staff can adjust the angle of the side blowing cylinder 5 by rotating the second rotating shaft 13 and the first rotating shaft 9, so that the side blowing cylinder 5 can blow at different angles, further improving the scope of application of the device, improving the versatility of the device, and worthy of promotion. After the device is used, the first rotating shaft 9 can be rotated to keep the side blowing cylinder 5 and the laser welding head 3 parallel to each other, so as to avoid the side blowing cylinder 5 protruding too much from the laser welding head 3, thereby affecting the subsequent use of the device.

[0028] Working principle: when coaxial blowing is required, the staff can directly connect the external blowing equipment to the first air inlet pipe 2, so that the coaxial blowing tube 1 can blow air, thereby realizing coaxial blowing. When side blowing is required, the staff can first rotate the second rotating shaft 13 to drive the threaded rod 16 to rotate, thereby driving the first movable frame 15 to slide in the fixed frame 6, thereby causing the gear 18 to roll on the first rack 17, thereby driving the second movable frame 20 to slide in the first movable frame 15 through the meshing connection between the gear 18 and the second rack 19, and similarly, the third movable frame 14 slides in the first movable frame 15 at the same time, thereby driving the mounting plate 7 to gradually move away from the fixed frame 6, thereby changing the extension length of the side blowing tube 5, and then the staff can change the angle of the side blowing tube 5 by rotating the first rotating shaft 9, so that the blowing port of the side blowing tube 5 can act on the welding position of the semiconductor.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A gas blowing protection device for semiconductor welding process, comprising a laser welding head (3), characterized in that: A coaxial air blow cylinder (1) is fixedly mounted at the lower end of the laser welding head (3); a first air inlet pipe (2) which is in communication with the interior of the coaxial air blow cylinder (1) is fixedly connected to the surface of the coaxial air blow cylinder (1); a fixing frame (6) is fixedly connected to one side of the laser welding head (3); a mounting plate (7) is provided on the side of the fixing frame (6) away from the laser welding head (3); two fixing plates (8) are fixedly connected to the surface of the mounting plate (7); a side air blow cylinder (5) is provided on the side of the two fixing plates (8) away from the mounting plate (7); a second air inlet pipe (4) is fixedly connected to the surface of the side air blow cylinder (5).

2. The air blowing protection device for semiconductor welding process according to claim 1, characterized in that: A connecting block (10) is fixedly connected to one side of the side blowing air cylinder (5) close to the fixed plate (8), and two ends of the connecting block (10) are respectively rotatably connected to the inside of the two fixed plates (8).

3. The air blowing protection device for semiconductor welding process according to claim 2, characterized in that: A first rotating shaft (9) protruding from the surface of the fixing plate (8) is rotatably connected inside the fixing plate (8), a worm (12) is fixedly connected to the surface of the first rotating shaft (9) located inside the fixing plate (8), one end of the connecting block (10) is fixedly connected to the worm wheel (11), and the surface of the worm (12) is meshingly connected to the surface of the worm wheel (11).

4. The air blowing protection device for semiconductor welding process according to claim 3, characterized in that: The inner wall of the fixed frame (6) is rotatably connected to a threaded rod (16), the inner wall of the fixed frame (6) is slidably connected to a first movable frame (15), the threaded rod (16) penetrates the surface of the first movable frame (15) and is connected to the inner thread of the first movable frame (15), the inner wall of the first movable frame (15) is slidably connected to a second movable frame (20), the inner wall of the second movable frame (20) is slidably connected to a third movable frame (14), and one side of the third movable frame (14) is fixedly connected to the mounting plate (7).

5. The air blowing protection device for semiconductor welding process according to claim 4, characterized in that: Both sides of the first movable frame (15) are rotatably connected to gears (18); both sides of the inner wall of the fixed frame (6) are fixedly connected to first racks (17); the surface of the first rack (17) is meshingly connected to the surface of the gear (18); and both sides of the outer surface of the second movable frame (20) are fixedly connected to second racks (19); the surface of the second rack (19) is meshingly connected to the surface of the gear (18).

6. The air blowing protection device for semiconductor welding process according to claim 5, characterized in that: Both sides of the second movable frame (20) are also rotatably connected with gears (18); both sides of the inner wall of the first movable frame (15) are also fixedly connected with first racks (17); the first racks (17) on the inner wall of the first movable frame (15) are meshingly connected with the gears (18) on the second movable frame (20); both sides of the outer surface of the third movable frame (14) are also fixedly connected with second racks (19); the second racks (19) on the third movable frame (14) are meshingly connected with the gears (18) on the second movable frame (20).

7. The air blowing protection device for semiconductor welding process according to claim 6, characterized in that: The gear (18) on the second moving frame (20) and the gear (18) on the first moving frame (15) are offset from each other.

8. The air blowing protection device for semiconductor welding process according to claim 4, characterized in that: The interior of the fixed frame (6) is rotatably connected to a second rotating shaft (13) protruding from the surface of the fixed frame (6); one end of the second rotating shaft (13) located inside the fixed frame (6) is also fixedly connected to a worm (12); the surface of the threaded rod (16) is fixedly connected to a worm wheel (11); the worm (12) on the second rotating shaft (13) is meshingly connected to the worm wheel (11) on the threaded rod (16).

Images