Multi-station laser welding device

Abstract

The utility model provides a multi-station laser welding device which relates to the technical field of laser welding and comprises a multi-station welding table and laser emitters, the laser emitters are distributed at the upper end of the multi-station welding table, the outer surfaces of the laser emitters are sleeved with a splash-proof machining cover, exhaust fans are installed on the left side face and the right side face of the splash-proof machining cover, and the exhaust fans are arranged on the left side face and the right side face of the splash-proof machining cover. A splash inlet is formed in the surface of the inner side wall of the splash-proof machining cover. An adsorption net plate is installed in the cavity wall of the splash-proof machining cover and communicates with an exhaust fan through a negative pressure cavity, shielding curtains are fixedly connected to the left outer side face and the right outer side face of the splash-proof machining cover in a threaded mode, and a first electric push rod is installed at the upper end of the splash-proof machining cover; the first electric push rod is connected with a direction adjusting frame through a connecting plate. The laser welding device solves the problem that in the prior art, splash generated by movable welding of a laser welding device is prone to falling into the surface of a workpiece on the adjacent side station, and the laser welding quality is affected.

Description

Technical Field

[0001] The utility model relates to the technical field of laser welding, in particular to a multi-station laser welding device. Background Art

[0002] Laser welding is an efficient and precise welding method that uses a high-energy-density laser beam as a heat source. After searching, the prior art (application number: CN202121303958.X) records that "the utility model is provided with a first shell, a second shell, a distance sensor, an assist spring, a motor housing, a rotating motor, a moving disk, and a limit block. When the structural laser table needs to adjust the position, the hydraulic telescopic motor can drive the motor housing, so that the motor housing and the structure connected thereto can be translated in the moving direction of the first shell, and the distance sensor can monitor the distance between the devices in real time to prevent collision. When the structure moves When the moving disk moves, the limit block on the moving disk slides with the slot on the inner wall of the second shell body, so that the structure can maintain a steady speed and a consistent trajectory when moving. The second limit column can reduce the friction between it and the second shell body, so that the position adjustment of the device is more sensitive and efficient, and the booster spring can provide a certain damping for the movement of the motor housing, thereby improving the stability of the device during movement, solving the problem that the existing laser welding device is difficult to weld due to the inconvenience of multi-station synchronous welding. However, in the prior art, the spatter generated by the mobile welding of the laser welding device is easy to fall into the surface of the workpiece at the adjacent station, affecting the quality of laser welding. Utility Model Content

[0003] In order to overcome the defects of the prior art, a multi-station laser welding device is now provided to solve the problem that spatters generated by mobile welding of the laser welding device in the prior art easily fall onto the surface of the workpiece at the adjacent station and affect the laser welding quality.

[0004] In order to achieve the above object, a multi-station laser welding device is provided, comprising: a multi-station welding table and a laser emitter, wherein the laser emitter is distributed on the upper end of the multi-station welding table.

[0005] A splash-proof processing cover is sleeved on the outer surface of the laser emitter, exhaust fans are installed on the left and right sides of the splash-proof processing cover, and splash inlets are opened on the inner wall surface of the splash-proof processing cover; and the splash inlets are distributed on the left and right sides of the laser emitter, and an adsorption mesh plate is installed in the cavity wall of the splash-proof processing cover, and the adsorption mesh plate is connected with the exhaust fan through a negative pressure cavity, and shielding curtains are screwed and fixed on the left and right outer sides of the splash-proof processing cover, and a first electric push rod is installed on the upper end of the splash-proof processing cover, and the first electric push rod is connected to an azimuth adjustment frame through a connecting plate.

[0006] Furthermore, a welding base plate is fixed equidistantly on the upper surface of the multi-station welding table, a clamp is installed on the upper surface of the welding base plate, a fixing frame is distributed on the rear side end of the welding base plate, and a positioner is embedded and installed on the surface of the fixing frame.

[0007] Furthermore, a screw rod assembly is installed on the surface of the fixing frame, a motor is connected to the right end of the screw rod assembly, and the front end of the screw rod assembly is connected to the azimuth adjustment frame through a second electric push rod.

[0008] Furthermore, a central control cabinet is installed on the right side of the fixing frame, and a waste trough is provided on the upper surface of the multi-station welding table; and the waste trough is distributed at the side end of the welding substrate, and a waste box is plugged into the lower end of the waste trough.

[0009] Furthermore, a connecting plate is clamped on the inner side of the azimuth adjustment frame, and the front end of the connecting plate is screwed to the azimuth adjustment frame through an adjusting stud, and a laser emitter is fixedly installed in the middle of the lower end of the connecting plate.

[0010] Furthermore, a positioning ring is installed on the outer side of the emitting end of the laser emitter, and a discharge port is provided on the lower end surface of the splash-proof processing cover; and the discharge port is located at the lower end of the adsorption mesh plate.

[0011] Furthermore, a distance sensor is embedded and installed on the inner wall of the upper end of the splash-proof processing cover, and a protective plate is movably connected to the front surface of the splash-proof processing cover.

[0012] The beneficial effect of the utility model is that the multi-station laser welding device of the utility model utilizes a splash-proof processing cover to be sleeved on the outer side of the laser emitter, and the incoming spatter is adsorbed by the adsorption mesh plate at the negative pressure chamber inside the splash-proof processing cover. After the negative pressure adsorption is disconnected, the spatter generated by welding automatically falls and is discharged, which is convenient for effectively blocking and protecting the spatter generated by laser welding, and at the same time preventing the spatter from rebounding, avoiding the spatter from splashing on the workpiece of the adjacent welding station, and improving the welding quality of multi-station laser welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front view structural schematic diagram of a multi-station laser welding device according to an embodiment of the utility model.

[0014] Figure 2 It is a front view cross-sectional structural schematic diagram of a multi-station laser welding device according to an embodiment of the utility model.

[0015] Figure 3 It is a schematic diagram of the front cross-sectional connection structure of the laser emitter and the splash-proof processing cover according to an embodiment of the utility model.

[0016] Figure 4 The schematic diagram of the top structure of the splash-proof processing cover according to the embodiment of the utility model is shown in FIG.

[0017] In the figure: 1. Multi-station welding table; 11. Welding base plate; 12. Fixing frame; 13. Positioner; 14. Clamp; 15. Waste box; 16. Waste trough; 2. Laser emitter; 21. Connecting plate; 22. Positioning ring; 3. Splash-proof processing cover; 31. Exhaust fan; 32. First electric push rod; 33. Splash inlet; 34. Shielding curtain; 35. Adsorption mesh plate; 36. Discharge port; 37. Negative pressure chamber; 38. Distance sensor; 39. Protective plate; 4. Central control cabinet; 5. Azimuth adjustment frame; 51. Screw assembly; 52. Motor; 53. Adjustment stud; 54. Second electric push rod. DETAILED DESCRIPTION

[0018] Reference Figures 1 to 4 As shown, the utility model provides a multi-station laser welding device, comprising: a multi-station welding table 1 and a laser emitter 2. The laser emitter 2 is distributed on the upper end of the multi-station welding table 1.

[0019] A splash-proof processing cover 3 is sleeved on the outer surface of the laser emitter 2, exhaust fans 31 are installed on the left and right sides of the splash-proof processing cover 3, and a splash inlet 33 is opened on the inner wall surface of the splash-proof processing cover 3; and the splash inlet 33 is distributed on the left and right sides of the laser emitter 2, an adsorption mesh plate 35 is installed in the cavity wall of the splash-proof processing cover 3, the adsorption mesh plate 35 is connected with the exhaust fan 31 through the negative pressure cavity 37, and a shielding curtain 34 is screwed and fixed on the left and right outer sides of the splash-proof processing cover 3, and a first electric push rod 32 is installed on the upper end of the splash-proof processing cover 3, and the first electric push rod 32 is connected to the azimuth adjustment frame 5 through the connecting plate 21.

[0020] Working principle: First, adjust and position the welding position of the laser emitter 2 through the azimuth adjustment frame 5, then clamp the workpiece on the welding substrate 11 through the clamp 14, start the motor 52, move the laser emitter 2 to the top of a group of welding substrates 11, and the laser emitter 2 automatically descends while driving the splash-proof processing cover 3 to descend. When the laser emitter 2 emits laser for welding, turn on the exhaust fan 31 to allow the spatter generated by laser welding to enter the splash-proof processing cover 3 from the spatter inlet 33. At this time, the adsorption mesh plate 35 in the negative pressure state adsorbs the spatter, thereby avoiding the spatter from popping up, and at the same time preventing the spatter from flying onto the surface of the adjacent welding workpiece. After welding is completed, the laser emitter 2 moves to the top of the adjacent welding substrate 11 and then performs welding work.

[0021] In this embodiment, a welding base plate 11 is fixed equidistantly on the upper surface of the multi-station welding table 1, a clamp 14 is installed on the upper surface of the welding base plate 11, a fixing frame 12 is distributed on the rear side end of the welding base plate 11, and a positioner 13 is embedded and installed on the surface of the fixing frame 12.

[0022] As a preferred embodiment, the welding substrate 11 clamps the workpiece to be welded by the clamp 14, so that the laser emitter 2 can perform welding processing on the clamped workpiece. The positioner 13 is convenient for positioning the position of the welding substrate 11.

[0023] In this embodiment, a screw assembly 51 is installed on the surface of the fixing frame 12 , a motor 52 is connected to the right end of the screw assembly 51 , and a front end of the screw assembly 51 is connected to the azimuth adjustment frame 5 via a second electric push rod 54 .

[0024] As a preferred embodiment, the motor 52 drives the screw assembly 51 to rotate, and the screw assembly 51 converts the rotational motion into linear motion, thereby driving the laser emitter 2 to move above multiple welding substrates 11.

[0025] In this embodiment, a central control cabinet 4 is installed on the right side of the fixing frame 12, and a waste trough 16 is opened on the upper surface of the multi-station welding table 1; and the waste trough 16 is distributed at the side end of the welding base plate 11, and a waste box 15 is inserted at the lower end of the waste trough 16.

[0026] As a preferred embodiment, the central controller in the central control cabinet 4 controls the electrical equipment for laser welding. The waste trough 16 facilitates the introduction of the waste generated by welding into the waste box 15, so as to facilitate the cleaning of the waste on the surface of multiple stations.

[0027] In this embodiment, a connecting plate 21 is clamped inside the azimuth adjustment frame 5 , the front end of the connecting plate 21 is screwed to the azimuth adjustment frame 5 via an adjusting stud 53 , and a laser emitter 2 is fixedly mounted in the middle of the lower end of the connecting plate 21 .

[0028] As a preferred implementation, the connecting plate 21 is driven to move forward and backward on the adjusting stud 53 by adjusting the stud 53, so as to achieve the effect of adjusting the position of the laser emitter 2.

[0029] In this embodiment, a positioning ring 22 is installed outside the emitting end of the laser emitter 2 , and a discharge port 36 is provided on the lower end surface of the splash-proof processing cover 3 ; and the discharge port 36 is located at the lower end of the adsorption mesh plate 35 .

[0030] As a preferred embodiment, the positioning ring 22 emits a positioning light ring, which is convenient for limiting the welding position and for more clearly observing whether the positioning point of the welding machine is correct. The discharge port 36 is convenient for discharging splashed waste.

[0031] In this embodiment, a distance sensor 38 is embedded and installed on the inner wall of the upper end of the splash-proof processing cover 3, and a protective plate 39 is movably connected to the front surface of the splash-proof processing cover 3.

[0032] As a preferred embodiment, the distance sensor 38 is used to detect the distance between the splash-proof processing cover 3 and the lower workpiece, so as to facilitate the adjustment of the position of the splash-proof processing cover 3 by the first electric push rod 32. The protection plate 39 is a transparent plate, which allows workers to observe the laser welding situation.

[0033] The multi-station laser welding device of the utility model can effectively solve the problem that spatters easily fall into the surface of the workpiece at the adjacent station and affect the laser welding quality. It is convenient to effectively block and protect the spatters generated by laser welding, and prevent the spatters from rebounding and splashing onto the workpieces at adjacent welding stations. The welding quality of multi-station laser welding is improved and is suitable for multi-station laser welding devices.

Claims

1. A multi-station laser welding device, comprising: A multi-station welding table (1) and a laser emitter (2), wherein the laser emitter (2) is distributed on the upper end of the multi-station welding table (1), and is characterized in that: The outer surface of the laser emitter (2) is sleeved with a splash-proof processing cover (3), and exhaust fans (31) are installed on the left and right sides of the splash-proof processing cover (3). The inner wall surface of the splash-proof processing cover (3) is provided with splash inlets (33); and the splash inlets (33) are distributed on the left and right sides of the laser emitter (2). An adsorption mesh plate (35) is installed in the cavity wall of the splash-proof processing cover (3), and the adsorption mesh plate (35) is connected to the exhaust fan (31) through a negative pressure cavity (37). The left and right outer sides of the splash-proof processing cover (3) are screwed and fixed with shielding curtains (34). The upper end of the splash-proof processing cover (3) is installed with a first electric push rod (32), and the first electric push rod (32) is connected to an azimuth adjustment frame (5) through a connecting plate (21).

2. A multi-station laser welding device according to claim 1, characterized in that: A welding base plate (11) is fixed at equal intervals on the upper surface of the multi-station welding table (1), a clamp (14) is installed on the upper surface of the welding base plate (11), a fixing frame (12) is distributed on the rear side end of the welding base plate (11), and a positioner (13) is embedded and installed on the surface of the fixing frame (12).

3. The multi-station laser welding device according to claim 2, characterized in that: A screw assembly (51) is mounted on the surface of the fixing frame (12); the right end of the screw assembly (51) is axially connected to a motor (52); and the front end of the screw assembly (51) is connected to an orientation adjustment frame (5) via a second electric push rod (54).

4. The multi-station laser welding device according to claim 2, characterized in that: A central control cabinet (4) is installed on the right side of the fixing frame (12), and a waste trough (16) is provided on the upper surface of the multi-station welding table (1); the waste trough (16) is distributed at the side end of the welding base plate (11), and a waste box (15) is inserted at the lower end of the waste trough (16).

5. The multi-station laser welding device according to claim 1, characterized in that: A connecting plate (21) is clamped on the inner side of the azimuth adjustment frame (5), the front end of the connecting plate (21) is screwed to the azimuth adjustment frame (5) via an adjusting screw (53), and a laser emitter (2) is fixedly mounted in the middle of the lower end of the connecting plate (21).

6. The multi-station laser welding device according to claim 1, characterized in that: A positioning ring (22) is installed on the outer side of the emitting end of the laser emitter (2), and a discharge port (36) is provided on the lower end surface of the splash-proof processing cover (3); and the discharge port (36) is located at the lower end of the adsorption mesh plate (35).

7. The multi-station laser welding device according to claim 1, characterized in that: A distance sensor (38) is embedded and installed on the inner wall of the upper end of the splash-proof processing cover (3), and a protective plate (39) is movably connected to the front surface of the splash-proof processing cover (3).

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