CN118808906A - A safe laser welding device - Google Patents

Abstract

The present invention discloses a safe laser welding device, which includes a machine base, a positioning plate and a workbench for positioning a workpiece, a welding head, a driving motor fixedly provided on the machine base, a first connecting rod fixedly connected to the output shaft of the driving motor, a second connecting rod rotatably connected to the middle of the workbench, a positioning column fixedly connected to both ends of the workbench, a positioning block fixedly connected to the machine base at both ends of the workbench, an arc groove matched with the positioning column is provided on the positioning block, a slide plate slidably connected to the machine base is provided below the workbench, a cylinder is fixedly provided on the machine base, an output end of the cylinder is fixedly connected to the slide plate, both ends of the slide plate are fixedly connected to a right-angle plate, both ends of the right-angle plate are fixedly connected to a baffle matched with the positioning column, and a first waste box matched with the workbench is provided below the machine base. The present application ensures the safety of operators when cleaning high-temperature welding slag and metal debris.

Description

A safe laser welding device

Technical Field

The invention relates to the field of laser welding, in particular to a safe laser welding device.

Background Art

Laser welding is a widely used welding method in welding operations. Laser welding has the advantages of high precision, small deformation, high speed, and good weld quality. Laser welding is a process in which a laser beam is focused by a focusing device into a high-energy-density light spot and irradiated on the workpiece, causing the workpiece to partially melt and connect together. During the laser welding process, the energy density of the laser beam is extremely high, which can accurately control the shape and size of the weld, and quickly heat and melt the metal to form a high-quality weld.

In related technologies, during laser welding operations, the temperature of the weld spot can be as high as 3600-6000°C. When the laser beam contacts the workpiece, if there are pollutants or coatings such as oil, oxides, zinc layers, etc. on the surface of the material, it will affect the reflection and absorption of the laser beam on the surface of the material, and generate gas during the heating process, resulting in metal slag splashing during the welding process.

Regarding the above-mentioned related technologies, a large amount of high-temperature sparks and metal welding slag will be generated during laser welding. These high-temperature spatters will gather on the workbench where the workpiece is located. The high-temperature welding slag and metal debris on the workbench need to be cleaned regularly. Due to their high temperature, the operator may be injured during cleaning. There are relatively simple protective measures in the existing technology, such as wearing protective clothing, protective gloves, etc., but the protective effect is poor, and it is still impossible to avoid direct or indirect contact between the high-temperature welding slag and metal debris and the operator, and the safety is not good.

Summary of the invention

In order to ensure the safety of operators when cleaning high-temperature welding slag and metal debris, the present application provides a safe laser welding device.

The present application provides a safe laser welding device, which adopts the following technical solution:

A safe laser welding device comprises a machine base, the machine base is provided with a positioning plate and a workbench for positioning a workpiece, the positioning plate is provided with a welding head, the machine base is fixedly provided with a driving motor, the output shaft of the driving motor is fixedly connected with a first connecting rod, the first connecting rod is rotatably connected with a second connecting rod, the second connecting rod is rotatably connected with the middle part of the workbench, both ends of the workbench are fixedly connected with positioning columns, the machine base is fixedly connected with positioning blocks located at both ends of the workbench, the positioning blocks are provided with arc grooves matching with the positioning columns, a slide plate slidably connected with the machine base is provided under the workbench, a cylinder is fixedly provided with the machine base, the output end of the cylinder is fixedly connected with the slide plate, both ends of the slide plate are fixedly connected with right-angle plates, both ends of the right-angle plates are fixedly connected with baffles matching with the positioning columns, and a first waste box matching with the workbench is provided under the machine base.

By adopting the above technical scheme, when the cylinder drives the slide plate to move, the slide plate drives the right-angle plate on one side to move, and the baffle on this side moves to the top of the corresponding arc groove, the baffle now blocks the positioning column in the arc groove, and the driving motor drives the first connecting rod to rotate. Under the transmission action of the first connecting rod and the second connecting rod, the baffle blocks the positioning column at the same time, and the workbench rotates with the blocked positioning column as the fulcrum, and the high-temperature welding slag and metal debris in the workbench and the positioning groove are dumped into the first waste box below under the action of gravity; when the baffle on the other side moves to the top of the other arc groove, the driving motor rotates the workbench to the other side, and pours the high-temperature welding slag and metal debris from the other side into the first waste box, and the workbench rotates back and forth on both sides, which is more convenient to clean the high-temperature welding slag and metal debris, thereby ensuring the safety when cleaning the high-temperature welding slag and metal debris.

Optionally, racks are fixedly connected to both sides of the skateboard along the length direction, the racks are meshed with gears rotatably connected to the base, and the gears are fixedly connected to the fan blades.

By adopting the above technical solution, when the slide plate moves back and forth, the gear drives the fan blades to rotate back and forth to blow air to the workbench, which is beneficial to speed up the cooling and heat dissipation of the workbench and facilitates ensuring the subsequent processing efficiency of the workpiece.

Optionally, both ends of the workbench along the length direction are fixedly connected with air ducts, the air ducts are provided with a plurality of inclined blowing heads corresponding to the workbench, and the air ducts are connected with blowers.

By adopting the above technical solution, the air flow generated by the blower is blown out from the air blowing head through the air guide pipe to blow the workbench and the positioning groove, thereby accelerating the cleaning efficiency of high-temperature welding slag and metal debris.

Optionally, a slot matching with the baffle is formed at the upper end of the positioning block.

By adopting the above technical solution, the slot is convenient for limiting the blocking piece, thereby ensuring the stability of the blocking piece when moving.

Optionally, transparent observation partitions are fixedly connected to both sides of the workbench along the width direction.

By adopting the above technical solution, the observation partition facilitates a more intuitive viewing of the welding situation, while blocking the welding slag along the width direction of the workbench.

In summary, the present application includes at least one of the following beneficial technical effects:

When the cylinder drives the slide plate to move, the slide plate drives the right-angle plate on one side to move, and the baffle on this side moves to the top of the corresponding arc groove, the baffle now blocks the positioning column in the arc groove, and the driving motor drives the first connecting rod to rotate. Under the transmission action of the first connecting rod and the second connecting rod, the baffle blocks the positioning column at the same time, and the workbench rotates with the blocked positioning column as the fulcrum, and the high-temperature welding slag and metal debris in the workbench and the positioning groove are dumped into the first waste box below under the action of gravity; when the baffle on the other side moves to the top of the other arc groove, the driving motor drives the workbench to rotate to the other side, and pours the high-temperature welding slag and metal debris from the other side into the first waste box, and the workbench rotates back and forth on both sides, which is more convenient to clean the high-temperature welding slag and metal debris, thereby ensuring the safety when cleaning the high-temperature welding slag and metal debris;

When the slide plate moves back and forth, the gear drives the fan blades to rotate back and forth, blowing air to the workbench, which is beneficial to speed up the cooling and heat dissipation of the workbench and facilitates the subsequent processing efficiency of the workpiece.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application.

FIG. 2 is a schematic diagram showing the position structure of the drive motor and the workbench.

FIG. 3 is intended to highlight a schematic diagram of the connection structure between the rack and the gear.

FIG. 4 is an enlarged schematic diagram of part A in FIG. 3 .

Explanation of the accompanying drawings: 1. base; 2. positioning plate; 3. workbench; 31. positioning groove; 21. welding head; 22. first hydraulic cylinder; 23. second hydraulic cylinder; 6. driving motor; 61. first connecting rod; 62. second connecting rod; 32. positioning column; 11. positioning block; 111. arc groove; 12. slide plate; 4. cylinder; 121. right-angle plate; 122. baffle; 13. first waste box; 123. rack; 14. gear; 141. fan blade; 33. air duct; 331. blower head; 332. blower; 112. slot; 34. observation partition.

DETAILED DESCRIPTION

The present application is further described in detail below in conjunction with all the accompanying drawings.

The embodiment of the present application discloses a safe laser welding device.

Example

Referring to Figures 1 and 2, a safe laser welding device includes a machine base 1, which is provided with a vertical positioning plate 2 and a workbench 3 for positioning a workpiece. The workbench 3 is provided with a plurality of positioning grooves 31 along the length direction. When welding a workpiece, the workpiece is matched with the positioning grooves 31 by bolts and installed on the workbench 3. The positioning plate 2 is provided with a laser welding head 21, and the positioning plate 2 is provided with a first hydraulic cylinder 22 for driving the welding head 21 to move up and down. The output end of the first hydraulic cylinder 22 is fixedly connected to the welding head, and the machine base 1 is provided with a second hydraulic cylinder 23 for driving the positioning plate 2 to move along the length direction of the workbench 3. The operator places the laser welding head 21 in correspondence with the workpiece, and the first hydraulic cylinder 22 drives the welding head 21 to move downward, thereby welding the workpiece.

2 and 3, both ends of the workbench 3 are fixedly connected with positioning columns 32, the machine base 1 is fixedly connected with positioning blocks 11 located at both ends of the workbench 3, the positioning blocks 11 are provided with arc grooves 111 matched with the positioning columns 32, a slide plate 12 is provided below the workbench 3 and is slidably connected with the machine base 1, the machine base 1 is fixed with a cylinder 4, and the output end of the cylinder 4 is fixedly connected with the slide plate 12. Both ends of the slide plate 12 are fixedly connected with right-angle plates 121, and the right-angle plates 121 are fixedly connected with baffles 122 matched with the positioning columns 32. When the welding head 21 welds the workpiece on the workbench 3, the high-temperature welding slag and metal debris generated fall onto the surface of the workbench 3 and the positioning groove 31.

2 and 3, when the welding head 21 stops processing, the operator starts the cylinder 4, the output end of the cylinder 4 drives the slide plate 12 to move, the slide plate 12 drives the right angle plate 121 on one side to move, and when the baffle 122 on the side moves to the top of the corresponding arc groove 111, the baffle 122 blocks the positioning column 32 in the arc groove 111. The upper end of the positioning block 11 is provided with a slot 112 that matches the baffle 122, and the slot 112 is convenient for limiting the baffle 122 to ensure the stability of the baffle 122 when moving.

2 and 3 , the machine base 1 is fixedly provided with a drive motor 6, the output shaft of the drive motor 6 is fixedly connected to a first connecting rod 61, the first connecting rod 61 is rotatably connected to a second connecting rod 62, the second connecting rod 62 is rotatably connected to the middle of the workbench 3, the drive motor 6 is started, the output shaft of the drive motor 6 rotates forward, and drives the first connecting rod 61 to rotate, under the transmission action of the first connecting rod 61 and the second connecting rod 62, the blocking piece 122 blocks the positioning column 32 at the same time, and the workbench 3 rotates with the blocked positioning column 32 as the fulcrum.

1 and 2, a first waste box 13 cooperating with the workbench 3 is provided below the machine base 1, and then under the action of gravity, the high-temperature welding slag and metal debris in the workbench 3 and the positioning groove 31 are dumped into the first waste box 13 below, which makes it more convenient to clean the high-temperature welding slag and metal debris, and the operator will not come into contact with the high-temperature welding slag and metal debris, thereby ensuring safety when cleaning the high-temperature welding slag and metal debris.

Referring to Figures 1 and 3, similarly, when the cylinder 4 drives the slide plate 12 to move, and the slide plate 12 then drives the baffle 122 on the other side to move above the other arc groove 111, the output shaft of the drive motor 6 is reversed, so that the workbench 3 rotates to the other side, and the welding slag is poured into the first waste box 13 from the other side. The workbench 3 rotates back and forth on both sides, which is beneficial to improve the cleaning effect of the workbench 3 and the welding slag in the positioning groove 31.

2 and 4, when the workbench 3 is in a high temperature state, it is inconvenient for operators to install and disassemble the workpiece. The two sides of the slide plate 12 along the length direction are fixedly connected with racks 123. The slide plate 12 drives the racks 123 to move during the reciprocating movement. The racks 123 are meshed with gears 14 that are rotatably connected to the base 1, and the gears 14 are fixedly connected with fan blades 141. Under the meshing transmission action of the racks 123 and the gears 14, the gears 14 drive the fan blades 141 to reciprocate and blow air to the workbench 3, which is conducive to accelerating the cooling and heat dissipation of the workbench 3, avoiding the workbench 3 from being in a high temperature state for a long time, and facilitating the subsequent processing efficiency of the workpiece.

1 and 2, both ends of the workbench 3 along the length direction are fixedly connected with an air duct 33, the air duct 33 is provided with three inclined blowing heads 331 corresponding to the workbench 3, and each of the air ducts 33 is connected with a blower 332. The wind flow generated by the blower 332 is blown out from the blowing head 331 through the air duct 33, and blows the workbench 3 and the positioning groove 31, so as to accelerate the cleaning efficiency of the high-temperature welding slag and metal debris.

1 and 2 , transparent observation partitions 34 are fixedly connected to both sides of the workbench 3 along the width direction. The observation partitions 34 facilitate a more intuitive viewing of the welding conditions and block high-temperature welding slag and metal debris along the width direction of the workbench 3 .

The implementation principle of a safe laser welding device in the embodiment of the present application is as follows: when the welding head 21 welds the workpiece on the workbench 3, the high-temperature welding slag and metal debris generated fall onto the surface of the workbench 3 and the positioning groove 31, and the operator starts the cylinder 4, and the output end of the cylinder 4 drives the slide plate 12 to move, and the slide plate 12 drives the right-angle plate 121 on one side to move, and when the baffle 122 on the side moves to the top of the corresponding arc groove 111, the baffle 122 at this time blocks the positioning column 32 in the arc groove 111. Start the drive motor 6, and the output shaft of the drive motor 6 rotates forward, driving the first connecting rod 61 to rotate. Under the transmission action of the first connecting rod 61 and the second connecting rod 62, the baffle 122 blocks the positioning column 32 at the same time, and the workbench 3 rotates with the blocked positioning column 32 as the fulcrum. A first waste box 13 matched with the workbench 3 is provided below the machine base 1, and then under the action of gravity, the high-temperature welding slag and metal debris in the workbench 3 and the positioning groove 31 are dumped into the first waste box 13 below; similarly, when the cylinder 4 drives the slide plate 12 to move, and the slide plate 12 drives the baffle 122 on the other side to move above the other arc groove 111, the output shaft of the driving motor 6 is reversed, so that the workbench 3 rotates to the other side, and the welding slag is poured into the first waste box 13 from the other side. The workbench 3 rotates back and forth on both sides, which is more convenient to clean the high-temperature welding slag and metal debris, thereby ensuring the safety of the operator when cleaning the high-temperature welding slag and metal debris.

The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims (5)

1. A safe laser welding device, comprising a machine base (1), characterized in that: the machine base (1) is provided with a positioning plate (2) and a workbench (3) for positioning a workpiece, the positioning plate (2) is provided with a welding head (21), the machine base (1) is fixedly provided with a driving motor (6), the output shaft of the driving motor (6) is fixedly connected to a first connecting rod (61), the first connecting rod (61) is rotatably connected to a second connecting rod (62), the second connecting rod (62) is rotatably connected to the middle of the workbench (3), both ends of the workbench (3) are fixedly connected to positioning columns (32), the machine base (1) is fixedly connected to a plurality of connecting rods located on the workbench (3) positioning blocks (11) at both ends, the positioning blocks (11) are provided with arc grooves (111) matching with the positioning columns (32), a slide plate (12) slidably connected to the machine base (1) is provided below the workbench (3), a cylinder (4) is fixedly provided on the machine base (1), an output end of the cylinder (4) is fixedly connected to the slide plate (12), both ends of the slide plate (12) are fixedly connected with right angle plates (121), both ends of the right angle plates (121) are fixedly connected with baffles (122) matching with the positioning columns (32), and a first waste box (13) matching with the workbench (3) is provided below the machine base (1). 2. A safety laser welding device according to claim 1, characterized in that: the slide plate (12) is fixedly connected to racks (123) on both sides along the length direction, the racks (123) are meshed with gears (14) rotatably connected to the base (1), and the gears (14) are fixedly connected to fan blades (141). 3. A safe laser welding device according to claim 1, characterized in that: both ends of the workbench (3) along the length direction are fixedly connected with air ducts (33), the air ducts (33) are provided with a plurality of inclined blowing heads (331) corresponding to the workbench (3), and the air ducts (33) are connected with blowers (332). 4. A safety laser welding device according to claim 3, characterized in that: a slot (112) matching with the baffle (122) is provided at the upper end of the positioning block (11). 5. The safety laser welding device according to claim 1, characterized in that transparent observation partitions (34) are fixedly connected to both sides of the workbench (3) along the width direction.