An efficient laser welding device and its usage method

Abstract

The present invention discloses an efficient laser welding device, and the following scheme is now proposed. It includes a machine body, on which two pairs of moving blocks are slidably connected. Each moving block is equipped with a conveyor belt. A robotic arm is installed in the middle of the machine body, and an end block is installed at the end of the robotic arm. A pair of rotating blocks are rotatably connected to the end block. A second gear is installed on the rotating end of the rotating block. A laser head is slidably connected to the rotating block. A feeding plate is slidably connected to the outside of each moving block of the machine body; when the vertical plate moves in the present invention, it drives the side plate to slide, so as to facilitate adapting to window strips of different specifications and increase practicability. The conveyor belt drives four window strips to rotate towards the inside of the machine body simultaneously and perform splicing. The first electric push rod pushes the two pairs of moving blocks to move towards or away from each other to adjust the distance between the conveyor belts, facilitating the splicing of window strips of different specifications. The double laser heads work in a mirror image along the end block, so as to weld the window strips on both sides of the end block simultaneously, thereby improving work efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of laser welding equipment, and particularly relates to a high-efficiency laser welding equipment and its usage method. Background Art

[0002] The processing and welding equipment for doors and windows is one type of door and window equipment, which is used by door and window enterprises during the production and manufacturing of doors and windows. Due to the different materials of doors and windows, the types of doors and windows also vary. Commonly seen doors and windows in the market generally include: wooden windows, steel windows, plastic-steel windows, broken bridge aluminum doors and windows, high-grade wooden-clad aluminum doors and windows, etc. Regardless of the type of door and window, the processing equipment for doors and windows generally includes: cutting equipment, welding machine (corner joining) equipment, corner cleaning equipment, milling equipment, stamping equipment, assembly equipment, etc. The existing doors and windows processing uses a welding gun for welding.

[0003] Referring to the Chinese invention patent with the publication number: CN115971658A and the name: A Laser Welding Equipment, this invention patent can fix the aluminum alloy doors and windows during the corner joining and weld and fix the inner wall of the fixed aluminum alloy doors and windows, achieving the purpose of corner joining of aluminum alloy doors and windows; overcoming the problem of obvious extrusion marks caused by the corner joining method of using corner ramming.

[0004] However, in the actual use process, there are still some problems with the above technical solutions and existing technologies of the same type:

[0005] 1. In the current welding operation process, after completing the welding operation, it is necessary to rely on manual labor to place the window bars in the predetermined position and fix them through the corner clamping device. When welding the third window bar, the four window bars are relatively heavy to flip together, and it is time-consuming and laborious for manual flipping and switching of the welding angle. It is easy to cause the welded corners to break if not careful, affecting the product quality and reducing the automation degree and operation efficiency of the overall production line;

[0006] 2. In the welding process, after completing the welding operation at each corner of the window bar, it is necessary to interrupt the process to manually take out the completed welded part, reposition the next window bar to be welded, and then perform the subsequent welding operation. This single, one-by-one welding method severely restricts the improvement of production efficiency;

[0007] 3. Facing the diverse requirements for window bar specifications, in the current welding preparation stage, it is required that the operator adjust the relative spacing between the corner clamping devices one by one according to the size differences of the window bars to ensure that the window bars can be correctly and firmly clamped. The manual adjustment process is cumbersome, reducing the flexibility and adaptability of the operation process. Summary of the Invention

[0008] The purpose of the present invention is to solve the drawbacks existing in the prior art, and to propose a high-efficiency laser welding equipment with double-sided welding, automatic feeding, and capable of adapting to different specifications of window bars and its usage method.

[0009] To achieve the above object, the present invention adopts the following technical solutions:

[0010] An efficient laser welding device, comprising a machine body, a splicing mechanism is connected to the machine body, the splicing mechanism includes a moving block, two pairs of moving blocks arranged in a "cross" shape are slidably connected to the machine body, a driving component for driving the movement of the moving block is connected to the machine body, each moving block is equipped with a conveyor belt, a plurality of load-bearing strips evenly distributed are fixedly connected to the surface of the conveyor belt, window strips are placed on the load-bearing strips, a fixing component for limiting the window strips is connected to the load-bearing strips, and a protective shell is fixedly connected to the outside of the base of each conveyor belt;

[0011] A welding mechanism is connected to the machine body, the welding mechanism includes a robotic arm, the robotic arm is installed in the middle of the machine body, an end block is installed at the end of the robotic arm, a pair of rotating blocks are rotatably connected to the end block, a second gear is installed on the rotating end of the rotating block, a second rack is slidably connected to the end block, the second rack is located between a pair of second gears, the second rack meshes with the second gear, a third electric push rod is installed on the end block, one end of the second rack is installed on the telescopic end of the third electric push rod, a laser head is slidably connected to the rotating block, and a second electric push rod is installed between the rotating block and the laser head;

[0012] A feeding mechanism is connected to the machine body, the feeding mechanism includes a blanking plate, the machine body is slidably connected with a blanking plate on the outside of each moving block, the blanking plate is fixedly connected with the moving block, vertical plates are slidably connected to the four corners of the machine body, a second telescopic rod is installed between each moving block and the vertical plates on both sides, side plates are provided on both sides of the blanking plate, the side plates are fixed to the vertical plates, the blanking plate is used for placing window strips, and a pushing component for pushing the window strips to move is connected to the blanking plate.

[0013] Preferably, the driving component includes a first rack, a first rack is installed at one end of the moving block, two pairs of the first racks are arranged in a "cross" shape, a first gear is rotatably connected to the machine body in the middle of each pair of first racks, a first electric push rod is installed on one side of the machine body for each pair of first racks, and the telescopic end of the first electric push rod is fixedly connected with one of the first racks on one side.

[0014] Preferably, the fixing component includes a clamping block, a clamping block is slidably connected to one end of the load-bearing strip, a first spring is installed between the clamping block and the load-bearing strip, the clamping block has an "L" shape structure, the inner side of the clamping block abuts against the window strip, and the side of the clamping block abutting against the window strip is beveled.

[0015] Preferably, sliding rods are installed on both sides of the clamping block. The sliding rods are slidably connected to the bearing strip. A control rod is fixedly connected to the sliding rods. The control rod faces the inner side of the conveyor belt. A convex block is fixedly connected to the inner top end of the conveyor belt base. The convex block is in an arc structure.

[0016] Preferably, a guiding groove is provided inside the protective shell. The sliding rod is slidably connected to the protective shell through the guiding groove.

[0017] Preferably, a protective component is connected between the protective shell and the vertical plate. The protective component includes a first telescopic rod. A first telescopic rod is installed between each protective shell and the vertical plates on both sides. A telescopic curtain is installed between each protective shell and the vertical plates on both sides.

[0018] Preferably, the pushing component includes a fourth electric push rod. Fourth electric push rods are fixedly connected to the surface of the blanking plate. A pushing strip is fixedly connected to the telescopic end of the fourth electric push rod. A back plate is fixedly connected to the protective shell. A "C"-shaped intercepting plate is fixedly connected to the blanking plate. The window strip is placed between the back plate and the intercepting plate.

[0019] Preferably, a pair of support rods are rotatably connected to one end of the blanking plate close to the conveyor belt. The support rods are used to support the window strip. An "I"-shaped contact rod is slidably connected to the bottom end of the blanking plate. The bottom sides of the contact rod and the support rods are in contact. The bottom of the pushing strip penetrates through the blanking plate and is fixedly connected to the contact rod.

[0020] Preferably, a balancing mechanism is connected to the back plate. The balancing mechanism includes a third rack. A pair of third racks are slidably connected inside the back plate. A third gear is rotatably connected between the pair of third racks inside the back plate. The third gear meshes with the third rack. The end parts of the pair of third racks on the back plate are respectively fixed to the side plates on both sides.

[0021] The usage method of the high-efficiency laser welding equipment includes the following steps:

[0022] S1. Place the four window strips on the four blanking plates respectively. Start the fourth electric push rod. The pushing strip pushes the window strip close to the conveyor belt. The contact rod pushes the support rod to rotate out towards the conveyor belt direction. When the window strip approaches the conveyor belt, it is carried by the support rod. When the vertical plate moves, it drives the side plate to slide. The side plates on both sides of the blanking plate are in contact with both ends of the window strip. The window strip slides on the blanking plate.

[0023] S2, the window strip is close to the conveyor belt, the slide bar enters the guide groove, the block opens and inserts the window strip, the slide bar leaves the guide groove, and the window strip is clamped. When the conveyor belt is working, it drives the four window strips to rotate toward the inside of the machine body at the same time and splices them. The first electric push rod controls the position of the two pairs of moving blocks to drive the conveyor belt to move. Window strips of different specifications can be spliced. The welded window strip moves to the top of the conveyor belt, the control rod contacts the convex block, the block extends outward, and the welded window strip is released. The welded window strip is taken out manually;

[0024] S3. During welding, the robot arm drives the end block to move, the second rack slides to control the deflection of the two laser heads, the second electric push rod controls the extension and contraction of the laser heads, and the dual laser heads work in a mirrored manner along the end block to weld the window strips on both sides of the end block at the same time. Two spliced ​​window strips can be welded at one time.

[0025] Compared with the prior art, the present invention provides a highly efficient laser welding device, which has the following beneficial effects:

[0026] 1. This high-efficiency laser welding equipment facilitates the window strip to be close to the conveyor belt through the fourth electric push rod. At the same time, the support rod is rotated toward the conveyor belt to carry the window strip. The side panels on both sides of the discharge plate contact the two ends of the window strip, thereby ensuring the stable sliding of the window strip. At the same time, the window strip can be located in the middle position. When the vertical plate moves, the side panels are driven to slide, thereby facilitating the adaptation to window strips of different specifications and increasing practicality.

[0027] 2. For this high-efficiency laser welding equipment, when the bearing strip on the conveyor belt enters the protective shell, the size of the card slot between the card block and the bearing strip is convenient for the card connection of the window strip, and the slide bar is disengaged from the guide slot, which is convenient for fixing the window strip. When the conveyor belt is working, it drives the four window strips to rotate toward the inside of the machine body at the same time and splice them, forming a multi-layer spliced ​​window strip on the inside of the machine body, so as to facilitate welding layer by layer. When facing window strips of different specifications, the first electric push rod pushes the two pairs of moving blocks to move toward or away from each other, thereby driving the conveyor belt to move and the window strip to move, so as to facilitate the adjustment of the spacing between the adjacent window strips on both sides, and facilitate the splicing of window strips of different specifications. The welded window strip moves to the top of the conveyor belt, the control rod contacts the protrusion, and the card block extends outward, so as to facilitate the release of the welded window strip, so as to facilitate the removal of the welded window strip.

[0028] 3. When welding, the robotic arm drives the end block to move so that the end block is located between the two layers of spliced ​​window strips in the middle, and the end block is located in the middle of the two layers of window strips. The dual laser heads work in a mirrored manner along the end block, thereby welding the window strips on both sides of the end block at the same time. Two spliced ​​window strips can be welded at one time, and the conveyor belt drives one unit of the window strip to move each time, which facilitates the welding of the unwelded bottom surface and the top surface of the next window strip, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 A three-dimensional view of a high-efficiency laser welding device and a method of using the same proposed by the present invention;

[0030] Figure 2 A view of a connection structure of a window strip of the present invention;

[0031] Figure 3 A view of the connection structure of the vertical plate of the present invention;

[0032] Figure 4 A view of the connection structure of the protective shell of the present invention;

[0033] Figure 5 A view of the connection structure of the unloading plate of the present invention;

[0034] Figure 6 A view of the connection structure of the interference rod of the present invention;

[0035] Figure 7 A view of a connection structure of a third rack of the present invention;

[0036] Figure 8 A view of a connection structure of an interception plate of the present invention;

[0037] Figure 9 A view of the connection structure of the card block of the present invention;

[0038] Figure 10 A view of a connection structure of a first spring of the present invention;

[0039] Figure 11 A view of the connection structure of the second telescopic rod of the present invention;

[0040] Figure 12 A view of a connection structure of a second gear of the present invention;

[0041] Figure 13 A view of a connecting structure of a second rack of the present invention;

[0042] Figure 14 It is a view of the connection structure of the moving block of the present invention.

[0043] In the figure: 1, machine body; 2, splicing mechanism; 21, protective shell; 22, conveyor belt; 23, moving block; 24, bearing bar; 25, fixing assembly; 251, clamping block; 252, first spring; 253, control rod;

[0044] 254, slide bar; 255, bump; 256, guide groove; 26, drive assembly; 261, first rack;

[0045] 262. First gear; 263. First electric push rod; 27. Protection component; 271. First telescopic rod

[0046] 272. Telescopic curtain; 3. Welding mechanism; 31. Robot arm; 32. End block; 33. Laser head; 34. Second electric push rod; 35. Rotating block; 36. Second gear; 37. Second rack; 38. Third electric push rod; 4. Feeding mechanism; 41. Feeding plate; 42. Back plate; 43. Intercepting plate; 44. Fourth electric push rod; 45. Side plate; 46. Second telescopic rod; 47. Contact rod; 48. Support rod; 49. Vertical plate; 5. Window bar; 6. Balancing mechanism; 61. Third rack; 62. Third gear; 7. Pushing bar Detailed implementation manners

[0047] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0048] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention 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, and therefore should not be construed as a limitation to the present invention.

[0049] Example 1: Refer to Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 8 , Figure 9 , Figure 10 and Figure 14 , a highly efficient laser welding device, including a machine body 1, a splicing mechanism 2 is connected to the machine body 1, the splicing mechanism 2 includes a moving block 23, two pairs of moving blocks 23 arranged in a "cross" shape are slidably connected to the machine body 1, a driving component 26 for driving the movement of the moving block 23 is connected to the machine body 1, each moving block 23 is equipped with a conveyor belt 22, a plurality of equally spaced load-bearing strips 24 are fixedly connected to the surface of the conveyor belt 22, a window bar 5 is placed on the load-bearing strip 24, a fixing component 25 for limiting the window bar 5 is connected to the load-bearing strip 24, and a protective shell 21 is fixedly connected to the outside of the base of each conveyor belt 22. The four window bars 5 of the window are respectively fixed by the four conveyor belts 22, so as to facilitate their transportation and splicing.

[0050] In the present invention, the driving assembly 26 includes a first rack 261. One end of the moving block 23 is equipped with the first rack 261. Two pairs of first racks 261 are arranged in a "cross" shape. A first gear 262 is rotatably connected to the body 1 in the middle of each pair of first racks 261. A first electric push rod 263 is installed on one side of the body 1 for each pair of first racks 261. The telescopic end of the first electric push rod 263 is fixedly connected to one of the first racks 261 on one side. This facilitates controlling the movement of the four moving blocks 23, thereby facilitating the adjustment of the spacing between the four conveyor belts 22, enabling the clamping of window strips 5 of different specifications and improving the practicality.

[0051] In the present invention, the fixing assembly 25 includes a clamping block 251. One end of the bearing strip 24 is slidably connected to the clamping block 251. A first spring 252 is installed between the clamping block 251 and the bearing strip 24. The clamping block 251 has an "L" - shaped structure. The inner side of the clamping block 251 abuts against the window strip 5. The side of the clamping block 251 that abuts against the window strip 5 is beveled, which facilitates the clamping of window strips 5 of different specifications. The bevel of the clamping block 251 facilitates the extrusion of the window strip 5, thereby clamping the window strip 5.

[0052] In the present invention, sliding rods 254 are installed on both sides of the clamping block 251. The sliding rods 254 are slidably connected to the bearing strip 24. A control rod 253 is fixedly connected to the sliding rods 254. The control rod 253 faces the inner side of the conveyor belt 22. An arc - shaped convex block 255 is fixedly connected to the inner top of the base of the conveyor belt 22. When the welded window strip 5 moves to the top, the control rod 253 abuts against the arc - shaped convex block 255, thereby pushing the clamping block 251 to release the window strip 5, facilitating the removal of the window strip 5.

[0053] In the present invention, a guiding groove 256 is provided inside the protective shell 21. The sliding rod 254 is slidably connected to the protective shell 21 through the guiding groove 256, which facilitates driving the clamping block 251 to open and facilitating the clamping of the pushed - over window strip 5.

[0054] In the present invention, a protective assembly 27 is connected between the protective shell 21 and the vertical plate 49. The protective assembly 27 includes a first telescopic rod 271. A first telescopic rod 271 is installed between each protective shell 21 and the two - side vertical plates 49. A telescopic curtain 272 is installed between each protective shell 21 and the two - side vertical plates 49, thereby shielding the welding area, effectively avoiding the splashing of welding debris and the glare of bright light.

[0055] Example 2: On the basis of Example 1, referring to Figure 11 、 Figure 12 and Figure 13The machine body 1 is connected to a welding mechanism 3, which includes a mechanical arm 31. The mechanical arm 31 is installed in the middle of the machine body 1, and an end block 32 is installed at the end of the mechanical arm 31. A pair of rotating blocks 35 are rotatably connected to the end block 32, and a second gear 36 is installed on the rotating end of the rotating block 35. A second rack 37 is slidably connected to the end block 32, and the second rack 37 is located in the middle of the pair of second gears 36. The second rack 37 is meshed with the second gear 36. A third electric push rod 38 is installed on the end block 32, and one end of the second rack 37 is installed on the telescopic end of the third electric push rod 38. A laser head 33 is slidably connected to the rotating block 35, and a second electric push rod 34 is installed between the rotating block 35 and the laser head 33, so that the dual laser heads 33 work in a mirror image along the end block 32, so as to weld the window strips 5 on both sides of the end block 32 at the same time, and two spliced ​​window strips 5 can be welded at one time, thereby improving work efficiency.

[0056] Example 3: Based on Example 2 Figure 4 , Figure 6 and Figure 7 A feeding mechanism 4 is connected to the body 1, and the feeding mechanism 4 includes a discharge plate 41. The body 1 is slidably connected to the outer side of each moving block 23 with a discharge plate 41, and the discharge plate 41 is fixedly connected to the moving block 23. Vertical plates 49 are slidably connected to the four corners of the body 1, and a second telescopic rod 46 is installed between each moving block 23 and the vertical plates 49 on both sides. Side plates 45 are provided on both sides of the discharge plate 41, and the side plates 45 are fixed on the vertical plates 49. The discharge plate 41 is used to place window strips 5. A pushing component for pushing the window strips 5 to move is connected to the discharge plate 41, so as to facilitate the placement of new window strips 5 and adapt to window strips 5 of different specifications.

[0057] In the present invention, the pushing component includes a fourth electric push rod 44, the surface of the discharge plate 41 is fixedly connected with the fourth electric push rod 44, the telescopic end of the fourth electric push rod 44 is fixedly connected with a pushing strip 7, the protective shell 21 is fixedly connected with a back plate 42, and the discharge plate 41 is fixedly connected with a "匚"-shaped intercepting plate 43, and the window strip 5 is placed between the back plate 42 and the intercepting plate 43, so as to facilitate pushing the window strip 5 close to the conveyor belt 22. At the same time, with the cooperation of the back plate 42 and the intercepting plate 43, it is convenient to add multiple window strips 5 at one time to reduce the workload.

[0058] In the present invention, one end of the discharge plate 41 close to the conveyor belt 22 is rotatably connected to a pair of support rods 48, and the support rods 48 are used to support the window strips 5. The bottom end of the discharge plate 41 is slidably connected to an "I"-shaped resistance rod 47, and the resistance rod 47 and the bottom side of the support rod 48 are in resistance. The bottom of the push strip 7 passes through the discharge plate 41 and is fixedly connected to the resistance rod 47, thereby facilitating the loading and release of the window strips 5.

[0059] In the present invention, a balance mechanism 6 is connected to the upper part of the back plate 42. The balance mechanism 6 includes a third rack 61. A pair of third racks 61 are slidably connected in the back plate 42. A third gear 62 is rotatably connected between the pair of third racks 61 in the back plate 42. The third gear 62 meshes with the third rack 61. The end portions of the pair of third racks 61 on the back plate 42 are respectively fixed to the side plates 45 on both sides, so that the conveyor belt 22 is always kept centered, which is convenient for clamping the middle of the window strip 5 and ensures the splicing quality.

[0060] Working principle: The four window strips 5 are respectively placed between the back plate 42 and the intercepting plate 43 on the four feeding plates 41. The fourth electric push rod 44 is started. The fourth electric push rod 44 extends, so as to push the window strip 5 through the pushing bar 7, making the window strip 5 approach the conveyor belt 22. At the same time, the pushing bar 7 pushes the contact rod 47, and the contact rod 47 pushes the support rod 48 to rotate out towards the conveyor belt 22. The upper surface of the support rod 48 is parallel to the surface of the feeding plate 41. When the window strip 5 approaches the conveyor belt 22, it is carried by the support rod 48. When pushing the window strip 5, the side plates 45 on both sides of the feeding plate 41 are in contact with both ends of the window strip 5, so as to ensure the stable sliding of the window strip 5 and at the same time enable the window strip 5 to be in the middle position. When the vertical plate 49 moves, it drives the side plate 45 to slide, so as to facilitate adapting to window strips 5 of different specifications and increase the practicability.

[0061] The added window strip 5 is close to the conveyor belt 22. The first telescopic rod 271 is used to support the protective shell 21 and the conveyor belt 22. When the conveyor belt 22 is started and the load-carrying strip 24 on the conveyor belt 22 enters the protective shell 21, the sliding rod 254 on the load-carrying strip 24 enters the guiding groove 256. Driven by the guiding groove 256, the sliding rod 254 slides outwards, pulling the clamping block 251 to slide outwards, and the first spring 252 stretches, increasing the size of the clamping groove between the clamping block 251 and the load-carrying strip 24. The clamping block 251 moves downward following the load-carrying strip 24, thereby clamping the window strip 5. When the window strip 5 enters between the clamping block 251 and the load-carrying strip 24, when the window strip 5 is completely inserted, the sliding rod 254 disengages from the guiding groove 256, and the first spring 252 contracts, thereby pulling the clamping block 251 to abut against the window strip 5. The side of the clamping block 251 abutting against the window strip 5 is bevel-shaped, facilitating the pressing of the window strip 5. At this time, the fourth electric push rod 44 is contracted, the abutting rod 47 disengages from the support rod 48, and the support rod 48 rotates downward under its own gravity, thereby facilitating the transportation of the window strip 5 through the conveyor belt 22. When the conveyor belt 22 is working, it drives four window strips 5 to rotate towards the inside of the machine body 1 simultaneously and perform splicing, forming multiple layers of spliced window strips 5 inside the machine body 1, thereby facilitating layer-by-layer welding. When facing window strips 5 of different specifications, two pairs of first electric push rods 263 are started, thereby controlling the sliding of two pairs of first racks 261. Under the action of the first gear 262, each pair of moving blocks 23 moves towards or away from each other, thereby driving the conveyor belt 22 to move and driving the window strip 5 to move, thereby facilitating the adjustment of the distance between adjacent window strips 5 on both sides and facilitating the splicing of window strips 5 of different specifications. The second telescopic rod 46 facilitates driving the vertical plate 49 to move, thereby facilitating driving the side plate 45 and the telescopic curtain 272 to work. The telescopic curtain 272 can be extended or shortened, playing a protective role to prevent the splashing of sparks and the penetration of glaring strong light during the welding process. When the vertical plate 49 drives the side plate 45 to move, it can drive the third rack 61 to move. The third gear 62 is located in the middle position between the two side plates 45. Under the action of the third gear 62, the position of the conveyor belt 22 can always be centered and fixed, thereby ensuring the clamping of the middle position of the window strip 5 and ensuring its stability. The welded window strip 5 moves to the top of the conveyor belt 22, and the control rod 253 abuts against the convex block 255. The convex block 255 is arc-shaped, pushing the control rod 253 to move outwards. The control rod 253 pushes the sliding rod 254 to slide, and the clamping block 251 extends outwards, thereby facilitating the release of the welded window strip 5 and facilitating the removal of the welded window strip 5;

[0062] When welding is carried out, the robotic arm 31 drives the end block 32 to move, so that the end block 32 is located between the two middle window strips 5 that are spliced together, and the end block 32 is located exactly in the middle of the two window strips 5. The robotic arm 31 drives the end block 32 to move, and the laser head 33 welds the splicing gap of the window strip 5. By controlling the sliding of the second rack 37 through the third electric push rod 38, the two second gears 36 are driven to rotate, driving the two laser heads 33 to deflect. The second electric push rod 34 facilitates controlling the extension and contraction of the laser head 33, so as to facilitate welding the side splicing gap of the window strip 5. The double laser heads 33 work in a mirror image along the end block 32, so as to weld the window strips 5 on both sides of the end block 32 at the same time. Two spliced window strips 5 can be welded at one time. Each time, the conveyor belt 22 drives the movement of one unit of the window strip 5, so as to facilitate welding the unwelded bottom surface and the top surface of the next window strip 5, thereby improving the work efficiency.

[0063] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. An efficient laser welding device, comprising a machine body (1), characterized in that: A splicing mechanism (2) is connected to the body (1). The splicing mechanism (2) includes a moving block (23). Two pairs of moving blocks (23) arranged in a "cross" shape are slidably connected to the body (1). A driving component (26) for driving the movement of the moving block (23) is connected to the body (1). Each moving block (23) is equipped with a conveyor belt (22). A plurality of load-bearing strips (24) evenly distributed at equal intervals are fixedly connected to the surface of the conveyor belt (22). A window strip (5) is placed on the load-bearing strip (24). A fixing component (25) for limiting the window strip (5) is connected to the load-bearing strip (24). A protective shell (21) is fixedly connected to the outer side of the base of each conveyor belt (22); A welding mechanism (3) is connected to the body (1). The welding mechanism (3) includes a robotic arm (31). The robotic arm (31) is installed in the middle of the body (1). An end block (32) is installed at the end of the robotic arm (31). A pair of rotating blocks (35) are rotatably connected to the end block (32). A second gear (36) is installed at the rotating end of the rotating block (35). A second rack (37) is slidably connected to the end block (32). The second rack (37) is located between a pair of second gears (36). The second rack (37) meshes with the second gear (36). A third electric push rod (38) is installed on the end block (32). One end of the second rack (37) is installed on the telescopic end of the third electric push rod (38). A laser head (33) is slidably connected to the rotating block (35). A second electric push rod (34) is installed between the rotating block (35) and the laser head (33); A feeding mechanism (4) is connected to the body (1). The feeding mechanism (4) includes a feeding plate (41). The body (1) is slidably connected to a feeding plate (41) on the outer side of each moving block (23). The feeding plate (41) is fixedly connected to the moving block (23). Vertical plates (49) are slidably connected to the four corners of the body (1). A second telescopic rod (46) is installed between each moving block (23) and the vertical plates (49) on both sides. Side plates (45) are provided on both sides of the feeding plate (41). The side plates (45) are fixed to the vertical plates (49). The feeding plate (41) is used to place the window strip (5). A pushing component for pushing the window strip (5) to move is connected to the feeding plate (41); The pushing component includes a fourth electric push rod (44). The fourth electric push rod (44) is fixedly connected to the surface of the feeding plate (41). A pushing strip (7) is fixedly connected to the telescopic end of the fourth electric push rod (44). A back plate (42) is fixedly connected to the protective shell (21). An "L"-shaped intercepting plate (43) is fixedly connected to the feeding plate (41). The window strip (5) is placed between the back plate (42) and the intercepting plate (43); One end of the feeding plate (41) close to the conveyor belt (22) is rotatably connected with a pair of support rods (48), the support rods (48) are used to support the window bars (5), the bottom end of the feeding plate (41) is slidably connected with an "I"-shaped abutting rod (47), the abutting rod (47) abuts against the bottom sides of the support rods (48), and the bottom of the pushing bar (7) penetrates through the feeding plate (41) and is fixedly connected with the abutting rod (47).

2. An efficient laser welding device according to claim 1, wherein, The driving assembly (26) includes a first rack (261), one end of the moving block (23) is provided with a first rack (261), the two pairs of the first racks (261) are arranged in a "cross" shape, a first gear (262) is rotatably connected to the machine body (1) in the middle of each pair of the first racks (261), a first electric push rod (263) is installed on one side of the machine body (1) for each pair of the first racks (261), and the telescopic end of the first electric push rod (263) is fixedly connected with one of the first racks (261) on one side.

3. An efficient laser welding device according to claim 1, characterized in that, The fixing assembly (25) includes a clamping block (251), one end of the bearing strip (24) is slidably connected with the clamping block (251), a first spring (252) is installed between the clamping block (251) and the bearing strip (24), the clamping block (251) is in an "L" shape, the inner side of the clamping block (251) abuts against the window bar (5), and the side of the clamping block (251) abutting against the window bar (5) is beveled.

4. An efficient laser welding device according to claim 3, characterized in that, Sliding rods (254) are installed on both sides of the clamping block (251), the sliding rods (254) are slidably connected with the bearing strip (24), a control rod (253) is fixedly connected to the sliding rods (254), the control rod (253) faces the inner side of the conveyor belt (22), and a convex block (255) is fixedly connected to the top inner side of the base of the conveyor belt (22), and the convex block (255) is in an arc shape.

5. An efficient laser welding device according to claim 4, characterized in that, A guiding groove (256) is arranged inside the protective shell (21), and the sliding rod (254) is slidably connected with the protective shell (21) through the guiding groove (256).

6. An efficient laser welding device according to claim 1, characterized in that, A protective assembly (27) is connected between the protective shell (21) and the vertical plate (49), the protective assembly (27) includes a first telescopic rod (271), a first telescopic rod (271) is installed between each protective shell (21) and the vertical plates (49) on both sides, and a telescopic curtain (272) is installed between each protective shell (21) and the vertical plates (49) on both sides.

7. An efficient laser welding device according to claim 1, characterized in that, A balancing mechanism (6) is connected to the back plate (42), the balancing mechanism (6) includes a third rack (61), a pair of third racks (61) are slidably connected inside the back plate (42), a third gear (62) is rotatably connected between the pair of third racks (61) of the back plate (42), the third gear (62) meshes with the third rack (61), and the end parts of the pair of third racks (61) on the back plate (42) are respectively fixed to the side plates (45) on both sides.

8. The method for using an efficient laser welding device according to claim 5, wherein Including the following steps: S1, four window strips (5) are placed on four unloading plates (41) respectively, and the fourth electric push rod (44) is started, so that the push bar (7) pushes the window strip (5) close to the conveyor belt (22), and the contact rod (47) pushes the support rod (48) to rotate out in the direction of the conveyor belt (22). When the window strip (5) is close to the conveyor belt (22), it is supported by the support rod (48), and when the vertical plate (49) moves, the side plate (45) is driven to slide, and the side plates (45) on both sides of the unloading plate (41) contact the two ends of the window strip (5), and the window strip (5) slides on the unloading plate (41); S2, the window strip (5) is close to the conveyor belt (22), the slide bar (254) enters the guide groove (256), the clamping block (251) is opened and the window strip (5) is received, the slide bar (254) is separated from the guide groove (256), the window strip (5) is clamped, and when the conveyor belt (22) is working, the four window strips (5) are driven to rotate toward the inside of the machine body (1) at the same time and are spliced, the first electric push rod (263) controls the position of the two pairs of moving blocks (23), drives the conveyor belt (22) to move, and can splice window strips (5) of different specifications, the welded window strip (5) moves to the top of the conveyor belt (22), the control rod (253) contacts the protrusion (255), the clamping block (251) extends outward, the welded window strip (5) is released, and the welded window strip (5) is manually taken out; S3. When welding, the mechanical arm (31) drives the end block (32) to move, the second rack (37) slides, controls the deflection of the two laser heads (33), and the second electric push rod (34) controls the extension and contraction of the laser heads (33). The dual laser heads (33) work in a mirror image along the end block (32) to weld the window strips (5) on both sides of the end block (32) at the same time, and two spliced ​​window strips (5) can be welded at one time.

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