Coaxial rotation blowing protection device

Abstract

The utility model relates to the technical field of laser blowing protection, in particular to a coaxial rotary blowing protection device, which comprises a blowing mechanism, a rotary driving mechanism and an extension mechanism, the blowing mechanism is connected to the upper part of the rotary driving mechanism; the extension mechanism is connected to the lower portion of the rotation driving mechanism and comprises an extension pipe, a drawer type spectacle frame and a protection lens, the extension pipe is provided with a laser channel, one side of the laser channel is provided with an air blowing channel, and the air blowing channel is communicated with the air blowing mechanism. The utility model aims to provide the coaxial rotary blowing protection device which is used for carrying out blowing protection during laser welding of a workpiece, so that laser welding forming is more uniform.

Description

Technical Field

[0001] The utility model relates to the technical field of laser blowing protection, in particular to a coaxial rotating blowing protection device. Background Art

[0002] Gas protection is an important influencing factor in laser welding. In the case of high-power welding, on the one hand, it can blow away part of the plasma on the metal surface, and on the other hand, it can cover the molten pool with the protective gas to reduce the oxidation of the weld seam.

[0003] However, in the prior art, the design structure of the blowing protection device for laser welding is relatively complex, the operation is inconvenient, and the weld seam effect cannot be effectively protected. Summary of the Utility Model

[0004] Based on this, the purpose of the utility model is to provide a coaxial rotating blowing protection device, which performs blowing protection during laser welding of workpieces, making the laser welding forming more uniform.

[0005] The utility model adopts the following technical solutions:

[0006] A coaxial rotating blowing protection device includes a blowing mechanism, a rotation driving mechanism, and an extension mechanism; the blowing mechanism is connected above the rotation driving mechanism; the extension mechanism is connected below the rotation driving mechanism, and the extension mechanism includes an extension tube, a drawer-type mirror frame, and a protective lens. The extension tube is provided with a laser channel, and one side of the laser channel is provided with a blowing channel, and the blowing channel communicates with the blowing mechanism.

[0007] Further improvement of the above technical solution is that the blowing mechanism includes a tube body, an air inlet cavity is opened inside the tube body, an air inlet is opened on one side of the air inlet cavity, and the air inlet is externally connected to a gas source.

[0008] Further improvement of the above technical solution is that the air inlet cavity communicates with the blowing channel.

[0009] Further improvement of the above technical solution is that the rotation driving mechanism includes a driving component, a first synchronous pulley, a synchronous belt, and a second synchronous pulley. The driving component is used to drive the first synchronous pulley to rotate, and the synchronous belt is respectively connected to the first synchronous pulley and the second synchronous pulley.

[0010] Further improvement of the above technical solution is that the rotation driving mechanism further includes a protective box, and the first synchronous pulley, the synchronous belt, and the second synchronous pulley are respectively arranged inside the protective box.

[0011] Further improvement of the above technical solution is that a rotating shaft is arranged inside the second synchronous pulley, and the top of the rotating shaft is connected to the bottom of the tube body.

[0012] A further improvement to the above technical solution is that the tube body is connected to the inner wall top of the rotating shaft through a first bearing.

[0013] A further improvement to the above technical solution is that second bearings are respectively connected to the upper and lower ends of the rotating shaft, and the second bearings are connected to the protective box.

[0014] A further improvement to the above technical solution is that L-shaped mounting brackets are respectively arranged on both sides of the top of the protective box and located at the two sides of the tube body.

[0015] A further improvement to the above technical solution is that the driving component is a stepping motor, the bottom of the driving mechanism is connected with a motor mounting plate, and the motor mounting plate is connected above the protective box.

[0016] The beneficial effects of the present utility model are as follows:

[0017] The present utility model is provided with a blowing mechanism, a rotary driving mechanism, and an extension mechanism. The rotary driving mechanism is used to drive the annular air cavity to drive the blowing mechanism to blow air around the laser welding workpiece 360 degrees. The designed structure is simple and the operation is convenient, making the laser welding forming more uniform and improving the welding quality. Description of the Drawings

[0018] Figure 1 is a schematic structural diagram of the coaxial rotary blowing protection device of the present utility model;

[0019] Figure 2 is Figure 1 a front sectional view of the coaxial rotary blowing protection device of

[0020] Figure 3 is Figure 1 a side sectional view of the coaxial rotary blowing protection device of

[0021] The reference numerals in the figures are:

[0022] 10, blowing mechanism; 11, tube body; 12, air inlet cavity; 13, air inlet; 20, rotary driving mechanism; 21, driving component; 22, first synchronous pulley; 23, synchronous belt; 24, second synchronous pulley; 25, protective box; 26, rotating shaft; 27, first bearing; 28, second bearing; 30, extension mechanism; 31, drawer-type mirror frame; 32, protective lens; 40, extension tube; 41, laser channel; 42, blowing channel; 50, L-shaped mounting bracket; 60, motor mounting plate. Detailed Embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0024] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "vertical direction", "upper", "lower", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, "first", "second", "third", "fourth" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0025] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be a direct connection or a connection through an intermediate medium. It can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0026] As Figures 1 to 3 shown, an embodiment of the present utility model relates to a coaxial rotation air blowing protection device, which includes an air blowing mechanism 10, a rotation driving mechanism 20, and an extension mechanism 30. The air blowing mechanism 10 is connected above the rotation driving mechanism 20. The extension mechanism 30 is connected below the rotation driving mechanism 20. The extension mechanism 30 includes an extension tube 40, a drawer-type mirror frame 31, and a protective lens 32. The extension tube 40 is provided with a laser channel 41. One side of the laser channel 41 is provided with an air blowing channel 42, and the air blowing channel 42 communicates with the air blowing mechanism 10.

[0027] Furthermore, as Figure 2 shown, the air blowing mechanism 10 includes a tube body 11. An air inlet cavity 12 is provided inside the tube body 11. An air inlet 13 is provided on one side of the air inlet cavity 12, and the air inlet 13 is externally connected to a gas source. The air inlet cavity 12 communicates with the air blowing channel 42.

[0028] Furthermore, as Figure 2As shown, the rotation drive mechanism 20 includes a drive assembly 21, a first synchronous pulley 22, a synchronous belt 23, and a second synchronous pulley 24. The drive assembly 21 is used to drive the first synchronous pulley 22 to rotate, and the synchronous belt 23 is respectively connected to the first synchronous pulley 22 and the second synchronous pulley 24.

[0029] Further, as Figure 2 shown, the rotation drive mechanism 20 further includes a protective box 25, and the first synchronous pulley 22, the synchronous belt 23, and the second synchronous pulley 24 are respectively arranged inside the protective box 25.

[0030] Further, as Figure 2 shown, a rotating shaft 26 is arranged inside the second synchronous pulley 24, and the top of the rotating shaft 26 is connected to the bottom of the pipe body 11.

[0031] Further, as Figure 2 shown, the pipe body 11 is connected to the inner wall top of the rotating shaft 26 through a first bearing 27.

[0032] Further, as Figure 2 shown, second bearings 28 are respectively connected to the upper and lower ends of the rotating shaft 26, and the second bearings 28 are connected to the protective box 25.

[0033] Further, as Figure 1 shown, L-shaped mounting brackets 50 are respectively arranged on both sides of the pipe body 11 at the top of the protective box 25.

[0034] Further, as Figure 1 shown, the drive assembly 21 is a stepper motor, a motor mounting plate 60 is connected to the bottom of the drive mechanism, and the motor mounting plate 60 is connected above the protective box 25.

[0035] The present utility model is provided with a blowing mechanism 10, a rotation drive mechanism 20, and an extension mechanism 30. The rotation drive mechanism 20 is used to drive the annular air cavity to drive the blowing mechanism 10 to blow air around the laser welding workpiece by 360 degrees. The design structure is simple and the operation is convenient, making the laser welding forming more uniform and improving the welding quality.

[0036] The above only expresses the preferred technical solutions of the present utility model. The description is relatively specific and detailed, but it should not be construed as a limitation to the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and the present utility model also intends to include these changes and modifications.

Claims

1. A coaxial rotating air blowing protection device, characterized in that: It includes an air blowing mechanism, a rotating drive mechanism, and an extension mechanism; the air blowing mechanism is connected to the top of the rotating drive mechanism; the extension mechanism is connected to the bottom of the rotating drive mechanism, the extension mechanism includes an extension tube, a drawer-type frame, and a protective lens, the extension tube is provided with a laser channel, one side of the laser channel is provided with an air blowing channel, and the air blowing channel is connected to the air blowing mechanism.

2. The coaxial rotating air blowing protection device according to claim 1 is characterized in that: The blowing mechanism comprises a tube body, an air inlet cavity is provided inside the tube body, an air inlet port is provided on one side of the air inlet cavity, and the air inlet port is connected to an external air source.

3. The coaxial rotating air blowing protection device according to claim 2 is characterized in that: The air inlet cavity is communicated with the air blowing channel.

4. The coaxial rotating air blowing protection device according to claim 1 is characterized in that: The rotary drive mechanism comprises a drive assembly, a first synchronous wheel, a synchronous belt, and a second synchronous wheel. The drive assembly is used to drive the first synchronous wheel to rotate, and the synchronous belt is connected to the first synchronous wheel and the second synchronous wheel respectively.

5. The coaxial rotating air blowing protection device according to claim 4 is characterized in that: The rotary drive mechanism further comprises a protection box, and the first synchronous wheel, the synchronous belt and the second synchronous wheel are respectively arranged inside the protection box.

6. The coaxial rotating air blowing protection device according to claim 4, characterized in that: A rotating shaft is arranged inside the second synchronous wheel, and the top of the rotating shaft is connected to the bottom of the tube body.

7. The coaxial rotating air blowing protection device according to claim 6, characterized in that: The tube body is connected to the top of the inner wall of the rotating shaft through a first bearing.

8. The coaxial rotating air blowing protection device according to claim 7, characterized in that: The upper and lower ends of the rotating shaft are respectively connected with second bearings, and the second bearings are connected to the protection box.

9. The coaxial rotating air blowing protection device according to claim 8, characterized in that: The top of the protection box is provided with L-shaped mounting frames on both sides of the tube body.

10. The coaxial rotating air blowing protection device according to claim 4, characterized in that: The driving assembly is a stepping motor, the bottom of the driving mechanism is connected with a motor mounting plate, and the motor mounting plate is connected to the top of the protective box.

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