Protective cover for laser welding

Abstract

The protective cover for laser welding comprises a welding platform and a protective cover body, a vertical rod is arranged on the welding platform, an air cylinder connected with the protective cover body is arranged on the vertical rod, an observation opening is formed in the protective cover body, tempered glass is arranged in the observation opening, a fixing frame is arranged in the protective cover body through a fixing mechanism, and the protective cover body is arranged on the fixing frame. A wiping lead screw is arranged on the fixing frame, a wiping rod is arranged on the wiping lead screw in a threaded sleeving mode through a limiting mechanism, wiping cloth corresponding to tempered glass is installed on the wiping rod, and a power mechanism connected with the wiping lead screw is arranged on the fixing frame. According to the laser welding device, through the arrangement of the protective cover, the smoke removal box, the smoke removal lead screw, the piston plate, the connecting frame and other assemblies, the laser welding device is protected through the protective cover in the welding process, so that danger caused by sputtering to operators is avoided, meanwhile, harmful gas can be adsorbed and discharged, and the safety of the operators is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of laser welding machines, in particular to a protective cover for laser welding. Background Art

[0002] Laser welding machine is also commonly called laser welding machine, laser welding machine, is a machine used for laser material processing. Laser welding uses high-energy laser pulses to locally heat the material in a small area. The energy of laser radiation diffuses into the inside of the material through heat conduction, melting the material to form a specific molten pool. It is a new type of welding method, mainly for the welding of thin-walled materials and precision parts.

[0003] By searching the prior art, refer to the publication (announcement) number: CN215824586U. It is known from the disclosure that the existing laser welding machine does not have a protective function. If the power of the welding machine is too large during welding, it is easy to produce spatter. The particles produced by the spatter will have a certain impact on the operator. In addition, the existing laser welding machine lacks a fume treatment device. During the welding process, it will produce a pungent odor. After these odors are inhaled by the welding operator, they will greatly endanger the operator's health and are not conducive to the operator's safe production. In order to cope with the above technical problems, a protective cover for laser welding is designed. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a protective cover for laser welding.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A protective cover for laser welding comprises a welding platform and a protective cover, the welding platform is provided with a vertical rod, the vertical rod is provided with a cylinder connected to the protective cover, the protective cover is provided with an observation port, the observation port is provided with tempered glass, a fixing frame is provided in the protective cover through a fixing mechanism, a wiping screw is provided on the fixing frame, a wiping rod is provided on the wiping screw through a threaded sleeve of a limiting mechanism, a wiping cloth corresponding to the tempered glass is installed on the wiping rod, a power mechanism connected with the wiping screw is provided on the fixing frame, two smoke removal boxes are fixedly provided on the inner wall of the protective cover, a rotating chamber and an active chamber are provided in the smoke removal box, a smoke removal screw extending to the outside of the smoke removal box is rotatably provided in the rotating chamber, the smoke removal screw is connected to the wiping screw through a transmission mechanism, a piston plate is provided in the active chamber for sealing and sliding, the piston plate is connected to the smoke removal screw through a reciprocating mechanism, a smoking port communicated with the active chamber is provided on the bottom wall of the smoke removal box, and a smoke outlet pipe communicated with the active chamber is installed on the protective cover.

[0007] Preferably, the fixing mechanism comprises a bolt assembly mounted on a fixing frame, and a fixing hole corresponding to the bolt assembly is provided on the inner wall of the protective cover.

[0008] Preferably, the limiting mechanism comprises a limiting rod arranged on the fixing frame, and the limiting rod slides through the wiping rod.

[0009] Preferably, the power mechanism comprises a drive motor disposed on a fixed frame, and an output shaft of the drive motor is fixedly connected to the wiping screw.

[0010] Preferably, the transmission mechanism comprises a driving gear arranged on the wiping screw, and the smoke removing screw is provided with a transmission gear meshing with the driving gear.

[0011] Preferably, the reciprocating mechanism comprises a connecting frame threadedly sleeved on the smoke removing screw, and both ends of the connecting frame are connected to the piston plate.

[0012] Beneficial effects of the utility model:

[0013] 1. By setting up components such as protective covers, smoke removal boxes, smoke removal screws, piston plates and connecting frames, the laser welding device relies on protective covers for protection during the welding process to avoid danger to operators caused by sputtering. At the same time, it can also realize the adsorption and discharge operation of harmful gases to ensure the safety of operators.

[0014] 2. By setting up tempered glass, wiping screw, wiping rod, driving gear and transmission gear, the protective cover is convenient for operators to observe the internal processing conditions, and can wipe the tempered glass to avoid the adhesion of spatters affecting observation. The wiping screw and the smoke removal screw share the same power device, which has a certain linkage effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a laser welding protective cover proposed by the utility model;

[0016] Figure 2 It is a schematic diagram of the internal component structure of the protective cover;

[0017] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of .

[0018] In the figure: 1 welding platform, 2 vertical rod, 3 cylinder, 4 protective cover, 5 smoke outlet pipe, 6 observation port, 7 fixing frame, 8 wiping screw, 9 driving motor, 10 wiping rod, 11 wiping cloth, 12 limiting rod, 13 smoke removal box, 14 rotating chamber, 15 activity chamber, 16 smoking port, 17 piston plate, 18 smoke removal screw, 19 connecting frame, 20 driving gear, 21 transmission gear. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1-3 A protective cover for laser welding comprises a welding platform 1 and a protective cover 4, wherein a vertical rod 2 is arranged on the welding platform 1, a cylinder 3 connected to the protective cover 4 is arranged on the vertical rod 2, an observation port 6 is arranged on the protective cover 4, and a tempered glass is arranged in the observation port 6, a fixing frame 7 is arranged in the protective cover 4 through a fixing mechanism, a wiping screw 8 is arranged on the fixing frame 7, a wiping rod 10 is arranged on the wiping screw 8 through a threaded sleeve of a limiting mechanism, a wiping cloth 11 corresponding to the tempered glass is installed on the wiping rod 10, and a fixing frame 7 is arranged on the fixing frame 7. A power mechanism connected to the wiping screw 8, two smoke removal boxes 13 are fixedly provided on the inner wall of the protective cover 4, a rotating chamber 14 and a movable chamber 15 are provided in the smoke removal box 13, a smoke removal screw 18 extending to the outside of the smoke removal box 13 is rotatably provided in the rotating chamber 14, the smoke removal screw 18 is connected to the wiping screw 8 through a transmission mechanism, a piston plate 17 is sealed and slidably provided in the movable chamber 15, and the piston plate 17 is connected to the smoke removal screw 18 through a reciprocating mechanism, wherein the wiping screw 8 and the smoke removal screw 18 are both reciprocating screws.

[0021] A smoking port 16 connected to the activity chamber 15 is provided on the bottom wall of the smoke removal box 13, a smoke outlet 5 connected to the activity chamber 15 is installed on the protective cover 4, a first one-way valve is provided in the smoking port 16, a second one-way valve is provided in the smoke outlet 5, a protective net is also installed on the smoking port 16 to prevent large particles from being inhaled, and the two one-way valves control the direction of smoke flow.

[0022] The fixing mechanism includes a bolt assembly installed on the fixing frame 7. The inner wall of the protective cover 4 is provided with fixing holes corresponding to the bolt assembly. The fixing frame 7 is installed by means of the bolt assembly. The smoke removal box 13 is also connected to the protective cover 4 through the bolt assembly.

[0023] The limiting mechanism includes a limiting rod 12 arranged on the fixing frame 7 , and the limiting rod 12 slides through the wiping rod 10 . The limiting rod 12 limits the wiping rod 10 , thereby preventing it from rotating together with the wiping screw 8 .

[0024] The power mechanism includes a driving motor 9 arranged on a fixing frame 7, and an output shaft of the driving motor 9 is fixedly connected to the wiping screw 8. The driving motor 9 is a power device that can drive the wiping screw 8 to rotate.

[0025] The transmission mechanism includes a driving gear 20 arranged on the wiping screw 8, and a transmission gear 21 meshing with the driving gear 20 is installed on the smoke removing screw 18. The driving gear 20 and the transmission gear 21 are bevel gears that mesh with each other to achieve power transmission.

[0026] The reciprocating mechanism includes a connecting frame 19 threadedly mounted on the smoke removing screw rod 18. Both ends of the connecting frame 19 are connected to the piston plate 17. The connecting frame 19 is U-shaped, and both branches slide through the inner wall of the rotating chamber 14 and extend into the active chamber 15. It has its own limit so that it will not rotate with the smoke removing screw rod 18.

[0027] When the utility model is used, Figure 1 As shown, the cylinder 3 drives the protective cover 4 to descend, so as to realize the shielding and protection operation when the laser welding assembly processes the objects. The internal processing situation can be observed through the tempered glass on the observation port 6. Starting the driving motor 9 can drive the wiping screw 8 to rotate. When the wiping screw 8 rotates, the wiping rod 10 on its outer wall drives the wiping cloth 11 to move back and forth, so as to realize the wiping and cleaning operation of the tempered glass, and avoid the spattering and adhesion of waste materials affecting the observation. At the same time, the wiping screw 8 cooperates with the driving gear 20 and the transmission gear 21 to drive the tobacco removal screw 18 to rotate. When the tobacco removal screw 18 rotates, the connecting frame 19 on its outer wall can drive the piston plate 17 to move back and forth. The negative pressure generated by its movement can inhale the harmful smoke into the activity chamber 15 through the smoking port 16, the protective net and the first one-way valve, and send the harmful smoke through the smoke outlet pipe 5 in the subsequent movement process, and then carry out subsequent filtering and other treatments to discharge it into the atmosphere. The specific filtering method can be determined according to the specific harmful components in the harmful smoke. The prior art can be referred to, and it will not be repeated in this scheme.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A protective cover for laser welding, comprising a welding platform (1) and a protective cover (4), It is characterized in that The welding platform (1) is provided with a vertical rod (2), the vertical rod (2) is provided with a cylinder (3) connected to the protective cover (4), the protective cover (4) is provided with an observation port (6), and the observation port (6) is provided with tempered glass, a fixing frame (7) is provided in the protective cover (4) through a fixing mechanism, a wiping screw (8) is provided on the fixing frame (7), a wiping rod (10) is provided on the wiping screw (8) through a threaded sleeve of a limiting mechanism, a wiping cloth (11) corresponding to the tempered glass is installed on the wiping rod (10), a power mechanism connected to the wiping screw (8) is provided on the fixing frame (7), and the inner wall of the protective cover (4) is fixed Two smoke removal boxes (13) are provided, wherein a rotating chamber (14) and a movable chamber (15) are provided in the smoke removal box (13), wherein a smoke removal screw (18) extending to the outside of the smoke removal box (13) is rotatably provided in the rotating chamber (14), wherein the smoke removal screw (18) is connected to a wiping screw (8) via a transmission mechanism, wherein a piston plate (17) is sealed and slidably provided in the movable chamber (15), wherein the piston plate (17) is connected to the smoke removal screw (18) via a reciprocating mechanism, wherein a smoking port (16) communicating with the movable chamber (15) is provided on the bottom wall of the smoke removal box (13), and a smoke outlet pipe (5) communicating with the movable chamber (15) is installed on the protective cover (4).

2. A laser welding protective cover according to claim 1, It is characterized in that The fixing mechanism comprises a bolt assembly mounted on a fixing frame (7), and a fixing hole corresponding to the bolt assembly is provided on the inner wall of the protective cover (4).

3. A laser welding protective cover according to claim 2, It is characterized in that The limiting mechanism comprises a limiting rod (12) arranged on a fixing frame (7), and the limiting rod (12) slides through the wiping rod (10).

4. A laser welding protective cover according to claim 3, It is characterized in that The power mechanism comprises a drive motor (9) arranged on a fixed frame (7), and an output shaft of the drive motor (9) is fixedly connected to a wiping screw (8).

5. A laser welding protective cover according to claim 4, It is characterized in that The transmission mechanism comprises a driving gear (20) arranged on the wiping screw (8), and a transmission gear (21) meshing with the driving gear (20) is installed on the smoke removing screw (18).

6. A laser welding protective cover according to claim 1, It is characterized in that The reciprocating mechanism comprises a connecting frame (19) threadedly sleeved on the smoke removing screw rod (18), and both ends of the connecting frame (19) are connected to the piston plate (17).

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