A composite plate continuous welding device and welding method

Abstract

The present invention relates to the field of welding technology, and specifically to a composite plate continuous welding device and welding method, comprising a laser welding machine and two first conveyors and a second conveyor arranged side by side, a splicing component is installed between each of the first conveyors and the second conveyor, and each of the second conveyors is arranged inside the laser welding machine. The splicing component comprises a material receiving disc, a mounting frame, an axle rod, a cylinder, a steering component, a material blocking component, a guiding component, a linkage component, a guiding splicing component and two material receiving conveyors. In the process of the guiding component clamping and guiding the steel plate raw material, the material blocking component is controlled by the linkage component to release the obstruction of the steel plate raw material, so as to facilitate the guiding splicing component to control the two steel plate raw materials to perform splicing. The present invention realizes automatic feeding of two steel plate raw materials, automatic guiding and splicing, and does not require additional manual processing. The welding work can be performed continuously, which greatly improves the working efficiency of the steel plate raw material welding.

Description

Technical Field

[0001] The invention relates to the technical field of welding, and in particular to a composite plate continuous welding device and a welding method. Background Art

[0002] Laser welded plates have been widely used in the automotive manufacturing industry. The use of laser welded plate technology can not only reduce the manufacturing cost, logistics cost, vehicle weight, assembly tolerance, fuel consumption and scrap rate of the whole vehicle, but also reduce the number of peripheral reinforcements, simplify assembly steps, and at the same time improve the vehicle's collision resistance, stamping forming rate and corrosion resistance.

[0003] The existing laser welding technology generally adopts a semi-automatic production method. First, a worker places a steel plate on a machine tool, and uses the center positioning device on the machine tool to first determine the welding end of a steel plate. Then, the center positioning device is reset, and another worker places another steel plate on the machine tool and aligns it with the first steel plate to complete the splicing of the two steel plates. Although the machine tool has a large area and can hold multiple spliced ​​steel plates, manual unloading and loading are required for each welding work, and continuous welding work cannot be achieved at all. Therefore, this method not only consumes a lot of manpower, but also has low production efficiency and is difficult to form large-scale production. Summary of the invention

[0004] In view of this, the purpose of the present invention is to propose a composite plate continuous welding device and welding method to solve the problem that the existing welding and conveying method not only consumes a lot of manpower, but also has low production efficiency and is difficult to form large-scale production.

[0005] Based on the above purpose, the present invention provides a composite plate continuous welding device, including a laser welding machine and two first conveyors and a second conveyor arranged side by side, a splicing component is installed between each of the first conveyors and the second conveyor, each of the second conveyors is arranged inside the laser welding machine, and the splicing component includes:

[0006] A material receiving disc, the top surface of which is flush with the top surface of the first conveyor, and the top surface of the second conveyor is arranged below the material receiving disc;

[0007] A mounting frame is arranged below the material receiving disc;

[0008] A shaft rod is passed through the top of the mounting frame, and one end of the shaft rod is fixedly connected to the center of the bottom of the receiving disc;

[0009] A cylinder is arranged inside the mounting frame, and a telescopic rod of the cylinder is rotatably connected to an end of the shaft rod away from the receiving disc;

[0010] A steering assembly is arranged inside the mounting frame, and the steering assembly is drivingly connected to the shaft rod;

[0011] A material blocking assembly is arranged on the top of the material receiving disc, and the material blocking assembly is arranged close to the second conveyor;

[0012] A guide assembly is arranged on the top of the receiving disc;

[0013] A linkage assembly is arranged at the bottom of the material receiving disc, one end of the linkage assembly is transmission-connected to the guide assembly, and the other end is transmission-connected to the material blocking assembly;

[0014] A guiding splicing assembly is arranged on the receiving disc;

[0015] Two receiving conveyors are respectively arranged on the sides of the receiving disc, each receiving conveyor is drivingly connected to the second conveyor, and the top surface of each receiving conveyor is flush with the top surface of the second conveyor;

[0016] In the process of the guiding component clamping and guiding the steel plate raw material, the material blocking component is controlled by the linkage component to release the blocking of the steel plate raw material, so as to guide the splicing component to control the two steel plate raw materials to perform the splicing work.

[0017] Preferably, it also includes:

[0018] A third conveyor is arranged at an end of the second conveyor away from the receiving disc, and a side of the third conveyor is arranged at the bottom of the second conveyor;

[0019] A support frame is arranged between the two first conveyors, and a first mounting plate is fixedly arranged on the top of the support frame;

[0020] Two loading platforms are respectively arranged on one side of the first conveyor away from the supporting frame;

[0021] Two loading assemblies are respectively arranged on one side of the support frame, each of the loading assemblies is fixedly connected to the first mounting plate, and each of the loading assemblies is used to transfer the steel plate on the loading platform to the first conveyor.

[0022] Preferably, the feeding assembly comprises:

[0023] A screw slide is fixedly mounted on the bottom of the first mounting plate;

[0024] An elevator, one end of which is fixedly connected to the slider of the screw slide, an output end of the elevator is fixedly provided with a second mounting plate, and two electromagnet blocks are fixedly provided on the second mounting plate.

[0025] Preferably, the steering assembly comprises:

[0026] A first fixing plate, one end of which is fixedly mounted on the bottom of the mounting frame;

[0027] A connecting plate, one end of which is fixed on the shaft rod, and the other end of which is slidably connected to one side of the first fixing plate;

[0028] A first motor is fixedly mounted on the bottom of the connecting plate, and an output shaft of the first motor passes through the connecting plate and is fixedly mounted with a first gear;

[0029] The second gear is sleeved on the shaft, the second gear is fixedly connected to the shaft, and the second gear is meshed with the first gear.

[0030] Preferably, the material blocking assembly comprises:

[0031] A first rectangular through hole is provided at a location near the outer edge of the receiving disc;

[0032] A baffle plate, one end of which is rotatably connected and disposed in the first rectangular through hole, and a free end of the baffle plate is transmission-connected to the linkage assembly.

[0033] Preferably, the guide assembly comprises:

[0034] A driving rod is arranged at the bottom of the receiving disc, and both ends of the driving rod are rotatably connected with supports, each of the supports is fixedly connected to the bottom of the receiving disc, and the driving rod is drivingly connected to the linkage assembly;

[0035] A second motor is fixedly mounted on a side of the support away from the driving rod, and an output shaft of the second motor is fixedly connected to one end of the driving rod;

[0036] At least two second rectangular through holes, one end of which is respectively arranged close to the side of the first rectangular through hole, and the other end of which is extended to the outer edge of the receiving disc;

[0037] At least two connecting blocks are respectively slidably connected and arranged inside the second rectangular through hole, one end of each connecting block is fixedly provided with a guide plate, and the other end is fixedly provided with a limit adjustment plate, each of the guide plates is arranged on the top of the material receiving disc, and each of the limit adjustment plates is arranged on the bottom of the material receiving disc;

[0038] Two sliding blocks are respectively slidably connected to the bottom of the limit adjustment plate, each of the sliding blocks is sleeved on the driving rod, each of the sliding blocks is threadedly connected to the driving rod, and the two thread directions are symmetrically arranged;

[0039] Two extension plates are respectively fixed on the sides of the sliding block, each of the extension plates is provided with a locking hole, and each of the limit adjustment plates is provided with a plurality of adjustment holes adapted to the locking holes.

[0040] Preferably, the linkage component comprises:

[0041] At least one second fixed plate is fixedly mounted on the bottom of the receiving disc, and a connecting shaft is rotatably connected to one side of the second fixed plate;

[0042] At least one belt-type synchronous wheel set, one pulley of which is sleeved on and fixedly connected to the driving rod, and the other pulley is sleeved on and fixedly connected to the connecting shaft;

[0043] At least one third gear, sleeved on the connecting shaft, the third gear being fixedly connected to the connecting shaft;

[0044] At least one third fixed plate, one end of which is fixedly mounted on the bottom of the receiving disc, one side of the third fixed plate is slidably connected with a rack, and the rack is meshed with the third gear;

[0045] At least one connecting arm has one end hinged to the baffle and the other end hinged to an end of the rack away from the material receiving disc.

[0046] Preferably, the guide splicing assembly comprises:

[0047] A mounting groove is arranged in the middle of the receiving disc;

[0048] An electromagnet plate is slidably connected and arranged inside the mounting groove, and the top surface of the electromagnet plate is flush with the top surface of the receiving disc;

[0049] A threaded rod is rotatably connected and arranged in the mounting groove, the electromagnet plate is sleeved on the threaded rod, and the electromagnet plate is threadedly connected to the threaded rod;

[0050] The third motor is embedded in the top of the material receiving disc, and the output shaft of the third motor passes through the installation groove and is fixedly connected to one end of the threaded rod.

[0051] A welding method for a composite plate continuous welding device comprises the following steps:

[0052] S1: Two steel plate raw materials are transported to corresponding receiving discs through a first conveyor respectively, and are stopped by a material blocking assembly, so that the steel plate raw materials stop moving forward, and a primary guiding work of the steel plate raw materials is performed;

[0053] S2: The steel plate raw material is sucked onto the receiving disc by guiding the splicing assembly, and the shaft rod is driven upward by the cylinder, and the shaft rod drives the receiving disc upward, and the receiving disc drives the steel plate raw material to move upward for a distance, so that the steel plate raw material is not affected by the first conveyor belt;

[0054] S3: The steel plate raw material is guided by the guiding component so that the steel plate raw material is in the middle. At the same time, the guiding component drives the linkage component to work, and the linkage component drives the blocking component to work to remove the blocking of one end of the steel plate raw material;

[0055] S4: The shaft is driven to rotate by the steering assembly, the shaft drives the receiving disc to rotate, and the receiving disc drives the steel plate raw material to rotate through the guide assembly, so that the ends of the two steel plate raw materials that need to be welded are arranged opposite to each other;

[0056] S5: The steel plate raw materials are driven to move by guiding the splicing assembly, so that one end of the two steel plate raw materials are attached and located at the central welding position of the laser welding machine, and the shaft rod is driven downward by the cylinder, and the shaft rod drives the receiving disc to move downward until the steel plate raw materials are placed on the receiving conveyor, and the splicing assembly is guided to stop working and give up the adsorption of the steel plate raw materials;

[0057] S6: The second conveyor drives the material receiving conveyor to move the two joined steel plate raw materials toward the laser welding machine for welding.

[0058] The beneficial effects of the present invention are as follows: the present invention realizes automatic feeding and automatic guiding and splicing of two steel plate raw materials, and can continuously perform the welding work without additional manual processing, thereby greatly improving the working efficiency of the welding of steel plate raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0059] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0060] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present invention;

[0061] Figure 2 It is a schematic diagram of the three-dimensional structure of the feeding assembly according to an embodiment of the present invention;

[0062] Figure 3 It is a schematic diagram of the three-dimensional structure of the splicing assembly according to an embodiment of the present invention;

[0063] Figure 4 It is a schematic diagram of the planar structure of the splicing assembly according to an embodiment of the present invention;

[0064] Figure 5 It is a schematic diagram of the three-dimensional structure of the linkage assembly according to an embodiment of the present invention.

[0065] The markings in the figure are:

[0066] 1. Laser welding machine; 2. First conveyor; 3. Second conveyor; 4. Material receiving disc; 5. Mounting frame; 6. Shaft; 7. Cylinder; 8. Material receiving conveyor; 9. Third conveyor; 10. Support frame; 11. First mounting plate; 12. Material loading platform; 13. Screw slide; 14. Lifter; 15. Second mounting plate; 16. Electromagnet block; 17. First fixing plate; 18. Connecting plate; 19. First motor; 20. First gear; 21. Second gear; 22. First rectangular through hole; 23. baffle; 24. driving rod; 25. second motor; 26. second rectangular through hole; 27. connecting block; 28. guide plate; 29. ​​limit adjustment plate; 30. sliding block; 31. extension plate; 32. locking hole; 33. adjustment hole; 34. second fixed plate; 35. connecting shaft; 36. belt synchronous wheel set; 37. third gear; 38. third fixed plate; 39. rack; 40. connecting arm; 41. mounting groove; 42. electromagnet plate; 43. threaded rod; 44. third motor. DETAILED DESCRIPTION

[0067] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0068] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0069] like Figures 1 to 5 As shown, a composite plate continuous welding device includes a laser welding machine 1 and two first conveyors 2 and second conveyors 3 arranged side by side, a splicing component is installed between each of the first conveyors 2 and the second conveyors 3, each of the second conveyors 3 is arranged inside the laser welding machine 1, and the splicing component includes:

[0070] A receiving disc 4, the top surface of which is flush with the top surface of the first conveyor 2, and the top surface of the second conveyor 3 is arranged below the receiving disc 4;

[0071] A mounting frame 5 is arranged below the receiving disc 4;

[0072] A shaft rod 6 is passed through the top of the mounting frame 5, and one end of the shaft rod 6 is fixedly connected to the center of the bottom of the receiving disc 4;

[0073] The cylinder 7 is arranged inside the mounting frame 5, and the telescopic rod of the cylinder 7 is rotatably connected to the end of the shaft rod 6 away from the receiving disc 4;

[0074] A steering assembly is arranged inside the mounting frame 5, and the steering assembly is transmission-connected to the shaft rod 6;

[0075] A material blocking assembly is arranged on the top of the material receiving disc 4, and the material blocking assembly is arranged close to the second conveyor 3;

[0076] A guide assembly is arranged on the top of the receiving disc 4;

[0077] A linkage assembly is arranged at the bottom of the receiving disc 4, one end of the linkage assembly is transmission-connected to the guiding assembly, and the other end is transmission-connected to the blocking assembly;

[0078] A guiding splicing assembly is arranged on the receiving disc 4;

[0079] Two receiving conveyors 8 are respectively arranged on the sides of the receiving disc 4, each of the receiving conveyors 8 is transmission-connected to the second conveyor 3, and the top surface of each receiving conveyor 8 is flush with the top surface of the second conveyor 3;

[0080] In the process of the guiding component clamping and guiding the steel plate raw material, the material blocking component is controlled by the linkage component to release the blocking of the steel plate raw material, so as to guide the splicing component to control the two steel plate raw materials to perform the splicing work.

[0081] For example, two steel plate raw materials are transported to the corresponding receiving disc 4 through a first conveyor 2 respectively, and are stopped by the blocking component to stop the steel plate raw materials from moving forward, and a first correction work of the steel plate raw materials is carried out; the steel plate raw materials are sucked tightly on the receiving disc 4 by the guiding splicing component, and the shaft rod 6 is driven to move up by the cylinder 7, and the shaft rod 6 drives the receiving disc 4 to move up, and the receiving disc 4 drives the steel plate raw materials to move up a distance so that the steel plate raw materials are not affected by the crawler of the first conveyor 2; the steel plate raw materials are corrected by the guiding component so that the steel plate raw materials are in the middle, and at the same time, the guiding component drives the linkage component to work, and the linkage component drives the blocking component to work to remove the obstruction on one end of the steel plate raw materials; the steering component drives the shaft rod 6 to rotate, and the shaft rod 6 drives The movable receiving disc 4 rotates, and the receiving disc 4 drives the steel plate raw material to rotate through the guiding component, so that the ends of the two steel plate raw materials that need to be welded are arranged relatively; the steel plate raw materials are driven to move by guiding the splicing component, so that one end of the two steel plate raw materials are attached and located at the center welding position of the laser welding machine 1, and the shaft rod 6 is driven downward by the cylinder 7, and the shaft rod 6 drives the receiving disc 4 to move downward until the steel plate raw material is placed on the receiving conveyor 8 to stop working and give up the adsorption of the steel plate raw material; the second conveyor 3 works to drive the receiving conveyor 8 to work, so that the two spliced ​​steel plate raw materials move toward the laser welding machine 1, and the laser welding machine 1 is used for welding. The entire equipment is automated, and continuous welding work is realized, which greatly improves the working efficiency of welding.

[0082] As an optional embodiment, the method further includes:

[0083] The third conveyor 9 is arranged at one end of the second conveyor 3 away from the receiving disc 4, and one side of the third conveyor 9 is arranged at the bottom of the second conveyor 3;

[0084] A support frame 10 is arranged between the two first conveyors 2, and a first mounting plate 11 is fixedly arranged on the top of the support frame 10;

[0085] Two loading platforms 12 are respectively arranged on one side of the first conveyor 2 away from the support frame 10;

[0086] Two loading assemblies are respectively arranged on one side of the support frame 10 , each of the loading assemblies is fixedly connected to the first mounting plate 11 , and each of the loading assemblies is used to transfer the steel plate on the loading platform 12 to the first conveyor 2 .

[0087] As an optional embodiment, the feeding assembly includes:

[0088] The screw slide 13 is fixedly mounted on the bottom of the first mounting plate 11;

[0089] One end of the lift 14 is fixedly connected to the slider of the screw slide 13 . A second mounting plate 15 is fixedly disposed at the output end of the lift 14 , and two electromagnet blocks 16 are fixedly disposed on the second mounting plate 15 .

[0090] For example, two support blocks are provided on the loading platform 12 for placing stacked steel plate raw materials, which are convenient for forklift transportation and placement. The second mounting plate 15 is driven downward by the elevator 14, and the second mounting plate 15 drives the electromagnet block 16 to move downward onto the steel plate raw materials. The steel plate raw materials are adsorbed by the electromagnet block 16 and reset by the elevator 14. The elevator 14 is driven to move to the top of the first conveyor 2 by the screw slide 13, and the elevator 14 is descended to make the steel plate raw materials close to the crawler of the first conveyor 2. The electromagnet block 16 is powered off to make the steel plate raw materials lose adsorption and fall onto the first conveyor 2 to complete the loading of the steel plate raw materials. By setting the third conveyor 9, after the steel plate raw materials are welded, they are conveniently transported to the next process.

[0091] As an optional embodiment, the steering assembly includes:

[0092] A first fixing plate 17, one end of which is fixed to the bottom of the mounting frame 5;

[0093] A connecting plate 18, one end of which is fixed on the shaft 6, and the other end of which is slidably connected to one side of the first fixing plate 17;

[0094] A first motor 19 is fixedly mounted on the bottom of the connecting plate 18, and an output shaft of the first motor 19 passes through the connecting plate 18 and is fixedly mounted with a first gear 20;

[0095] The second gear 21 is sleeved on the shaft 6 , the second gear 21 is fixedly connected to the shaft 6 , and the second gear 21 is meshed with the first gear 20 .

[0096] For example, after the steel plate raw material is guided, the first motor 19 drives the first gear 20 to rotate, the first gear 20 drives the second gear 21 to rotate, the second gear 21 drives the shaft 6 to rotate, and the shaft 6 drives the receiving disc 4 to rotate, so that the ends of the two steel plate raw materials that need to be spliced ​​are relatively arranged.

[0097] As an optional embodiment, the material blocking assembly includes:

[0098] A first rectangular through hole 22 is provided at a location close to the outer edge of the receiving disc 4;

[0099] One end of the baffle plate 23 is rotatably connected and disposed in the first rectangular through hole 22, and the free end of the baffle plate 23 is transmission-connected to the linkage assembly.

[0100] As an optional embodiment, the guide assembly includes:

[0101] A driving rod 24 is arranged at the bottom of the receiving disc 4, and both ends of the driving rod 24 are rotatably connected with supports, each of the supports is fixedly connected to the bottom of the receiving disc 4, and the driving rod 24 is drivingly connected to the linkage assembly;

[0102] A second motor 25 is fixedly mounted on a side of the support away from the driving rod 24, and an output shaft of the second motor 25 is fixedly connected to one end of the driving rod 24;

[0103] At least two second rectangular through holes 26, one end of which is respectively arranged close to the side of the first rectangular through hole 22, and the other end of which is extended to the outer edge of the receiving disc 4;

[0104] At least two connecting blocks 27 are respectively slidably connected and arranged inside the second rectangular through hole 26, one end of each connecting block 27 is fixedly provided with a guide plate 28, and the other end is fixedly provided with a limit adjustment plate 29, each of the guide plates 28 is arranged on the top of the receiving disc 4, and each of the limit adjustment plates 29 is arranged on the bottom of the receiving disc 4;

[0105] Two sliding blocks 30 are respectively slidably connected to the bottom of the limit adjustment plate 29, each of the sliding blocks 30 is sleeved on the driving rod 24, each of the sliding blocks 30 is threadedly connected to the driving rod 24, and the two thread directions are symmetrically arranged;

[0106] Two extension plates 31 are respectively fixed on the sides of the sliding block 30 , each of the extension plates 31 is provided with a locking hole 32 , and each of the limit adjustment plates 29 is provided with a plurality of adjustment holes 33 matched with the locking holes 32 .

[0107] As an optional embodiment, the linkage component includes:

[0108] At least one second fixed plate 34 is fixedly mounted on the bottom of the receiving disc 4, and a connecting shaft 35 is rotatably connected to one side of the second fixed plate 34;

[0109] At least one belt-type synchronous wheel set 36, one pulley of which is sleeved on and fixedly connected to the driving rod 24, and the other pulley is sleeved on and fixedly connected to the connecting shaft 35;

[0110] at least one third gear 37, sleeved on the connecting shaft 35, the third gear 37 being fixedly connected to the connecting shaft 35;

[0111] At least one third fixed plate 38, one end of which is fixedly mounted on the bottom of the receiving disc 4, and one side of the third fixed plate 38 is slidably connected with a rack 39, and the rack 39 is meshed with the third gear 37;

[0112] At least one connecting arm 40 has one end hinged to the baffle 23 and the other end hinged to an end of the rack 39 away from the receiving disc 4 .

[0113] For example, the locking hole 32 and an adjusting hole 33 are locked by bolts. When the end of the steel plate raw material that needs to be welded is against the baffle 23, the steel plate raw material is sucked onto the receiving disc 4 by guiding the splicing assembly, and the shaft rod 6 is driven to move upward by the cylinder 7, and the shaft rod 6 drives the receiving disc 4 to move upward, and the receiving disc 4 drives the steel plate raw material to move up a distance so that the steel plate raw material is not affected by the crawler belt of the first conveyor 2. The driving rod 24 is driven to rotate by the second motor 25, and the driving rod 24 drives one end of the sliding block 30, and the sliding block 30 drives the extension plate 31 to move. The extension plate 31 drives the limit adjustment plate 29 to move through the bolt, and the limit adjustment plate 29 drives the connecting block 27 to move, and the connecting block 27 drives the guide plate 28. At the end, the two guide plates 28 move closer to each other to clamp and guide the steel plate raw material. At the same time, the driving rod 24 drives the belt synchronous wheel set 36 to work, and the belt synchronous wheel set 36 drives the third gear 37 to rotate through the connecting shaft 35. The third gear 37 drives the rack 39 to move, and the rack 39 drives the connecting arm 40 to move. The connecting arm 40 drives the baffle 23 to rotate, so that the baffle 23 enters the first rectangular through hole 22 to remove the obstruction to the steel plate raw material. Since the distance that the baffle 23 enters into the first rectangular through hole 22 is unchanged, in order to increase the application space of the guiding component, a plurality of adjustment holes 33 are set to change the clamping distance of the guide plate 28 so as to act on steel plate raw materials of different widths.

[0114] As an optional embodiment, the guide splicing component includes:

[0115] A mounting groove 41 is provided in the middle of the receiving disc 4;

[0116] An electromagnet plate 42 is slidably connected and disposed inside the mounting groove 41, and the top surface of the electromagnet plate 42 is flush with the top surface of the receiving disc 4;

[0117] The threaded rod 43 is rotatably connected and arranged in the mounting groove 41, the electromagnetic plate 42 is sleeved on the threaded rod 43, and the electromagnetic plate 42 is threadedly connected to the threaded rod 43;

[0118] The third motor 44 is embedded in the top of the receiving disc 4 , and the output shaft of the third motor 44 passes through the mounting groove 41 and is fixedly connected to one end of the threaded rod 43 .

[0119] For example, when one end of the steel plate raw material that needs to be welded is opposite to each other, the third motor 44 drives the threaded rod 43 to rotate, the threaded rod 43 drives the electromagnet plate 42 to move, and the electromagnet plate 42 drives the steel plate raw material to move, so that the ends of the two steel plate raw materials that need to be welded are fitted together and are at the center welding position of the laser welding machine 1.

[0120] A welding method for a composite plate continuous welding device comprises the following steps:

[0121] S1: Two steel plate raw materials are transported to the corresponding receiving disc 4 through a first conveyor 2 respectively, and are stopped by the material blocking assembly, so that the steel plate raw materials stop moving forward, and a primary guiding work of the steel plate raw materials is performed;

[0122] S2: The steel plate raw material is sucked onto the receiving disc 4 by guiding the splicing assembly, and the shaft rod 6 is driven upward by the cylinder 7, and the shaft rod 6 drives the receiving disc 4 to move upward, and the receiving disc 4 drives the steel plate raw material to move upward for a distance, so that the steel plate raw material is not affected by the crawler belt of the first conveyor 2;

[0123] S3: The steel plate raw material is guided by the guiding component so that the steel plate raw material is in the middle. At the same time, the guiding component drives the linkage component to work, and the linkage component drives the blocking component to work to remove the blocking of one end of the steel plate raw material;

[0124] S4: The shaft 6 is driven to rotate by the steering assembly, the shaft 6 drives the receiving disc 4 to rotate, and the receiving disc 4 drives the steel plate raw material to rotate through the guide assembly, so that the ends of the two steel plate raw materials to be welded are arranged opposite to each other;

[0125] S5: The steel plate raw materials are driven to move by guiding the splicing assembly, so that one end of the two steel plate raw materials are attached and located at the central welding position of the laser welding machine 1, and the shaft rod 6 is driven downward by the cylinder 7, and the shaft rod 6 drives the receiving disc 4 to move downward until the steel plate raw materials are placed on the receiving conveyor 8, and the splicing assembly is guided to stop working and give up the adsorption of the steel plate raw materials;

[0126] S6: The second conveyor 3 is operated to drive the receiving conveyor 8 to operate, so that the two spliced ​​steel plate raw materials are moved toward the laser welding machine 1 and are welded by the laser welding machine 1 .

[0127] Those skilled in the art should understand that the discussion of any of the above embodiments is only exemplary and is not intended to imply that the scope of the present invention is limited to these examples; under the concept of the present invention, the technical features in the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes in different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity. Any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A composite plate continuous welding device, comprising a laser welding machine (1) and two first conveyors (2) and second conveyors (3) arranged side by side, wherein a splicing component is installed between each of the first conveyors (2) and the second conveyors (3), and each of the second conveyors (3) is arranged inside the laser welding machine (1), characterized in that: The splicing assembly comprises: A material receiving disc (4), the top surface of which is flush with the top surface of the first conveyor (2), and the top surface of the second conveyor (3) is arranged below the material receiving disc (4); A mounting frame (5) disposed below the material receiving disc (4); A shaft rod (6) is passed through the top of the mounting frame (5), and one end of the shaft rod (6) is fixedly connected to the center of the bottom of the receiving disc (4); A cylinder (7) is arranged inside the mounting frame (5), and a telescopic rod of the cylinder (7) is rotatably connected to an end of the shaft rod (6) away from the material receiving disc (4); A steering assembly is arranged inside the mounting frame (5), the steering assembly being in driving connection with the shaft rod (6); A material blocking assembly is arranged on the top of the material receiving disc (4), and the material blocking assembly is arranged close to the second conveyor (3); A guide assembly, arranged on the top of the receiving disc (4); A linkage assembly is arranged at the bottom of the material receiving disc (4), one end of the linkage assembly is transmission-connected to the guide assembly, and the other end is transmission-connected to the material blocking assembly; A guiding splicing component, arranged on the receiving disc (4); Two receiving conveyors (8) are respectively arranged on the sides of the receiving disc (4), each receiving conveyor (8) is drivingly connected to the second conveyor (3), and the top surface of each receiving conveyor (8) is flush with the top surface of the second conveyor (3); In the process of the guiding component clamping and guiding the steel plate raw material, the material blocking component is controlled by the linkage component to release the blocking of the steel plate raw material, so as to guide the splicing component to control the two steel plate raw materials to perform the splicing work.

2. A composite plate continuous welding device according to claim 1, characterized in that: Also includes: A third conveyor (9) is arranged at an end of the second conveyor (3) away from the receiving disc (4), and a side of the third conveyor (9) is arranged at the bottom of the second conveyor (3); A support frame (10) is arranged between the two first conveyors (2), and a first mounting plate (11) is fixedly provided on the top of the support frame (10); Two loading platforms (12), respectively arranged on a side of the first conveyor (2) away from the support frame (10); Two loading assemblies are respectively arranged on one side of the support frame (10), each of the loading assemblies is fixedly connected to the first mounting plate (11), and each of the loading assemblies is used to transfer the steel plate on the loading platform (12) to the first conveyor (2).

3. A composite plate continuous welding device according to claim 2, characterized in that: The feeding assembly comprises: A screw slide (13) fixedly mounted on the bottom of the first mounting plate (11); An elevator (14) has one end fixedly connected to the slider of the screw slide (13), and a second mounting plate (15) is fixedly provided at the output end of the elevator (14), and two electromagnet blocks (16) are fixedly provided on the second mounting plate (15).

4. The device for continuous welding of multiple plates according to claim 1, characterized in that: The steering assembly comprises: A first fixing plate (17), one end of which is fixedly mounted on the bottom of the mounting frame (5); a connecting plate (18), one end of which is fixedly mounted on the shaft (6) and the other end of which is slidably connected to one side of the first fixing plate (17); A first motor (19) is fixedly mounted on the bottom of the connecting plate (18); an output shaft of the first motor (19) passes through the connecting plate (18) and is fixedly mounted with a first gear (20); The second gear (21) is sleeved on the shaft (6), the second gear (21) is fixedly connected to the shaft (6), and the second gear (21) is meshed with the first gear (20).

5. The device for continuous welding of multiple plates according to claim 1, characterized in that: The material blocking assembly comprises: A first rectangular through hole (22) is provided at a location close to the outer edge of the material receiving disc (4); A baffle (23) has one end rotatably connected and disposed in the first rectangular through hole (22), and a free end of the baffle (23) is transmission-connected to the linkage assembly.

6. The device for continuous welding of multiple plates according to claim 5, characterized in that: The guide assembly comprises: A driving rod (24) is arranged at the bottom of the material receiving disc (4), and both ends of the driving rod (24) are rotatably connected to supports, each of the supports is fixedly connected to the bottom of the material receiving disc (4), and the driving rod (24) is drivingly connected to the linkage assembly; a second motor (25) fixedly mounted on a side of the support away from the driving rod (24), wherein an output shaft of the second motor (25) is fixedly connected to one end of the driving rod (24); at least two second rectangular through holes (26), one end of which is respectively arranged close to the side of the first rectangular through hole (22), and the other end of which is arranged to extend toward the outer edge of the receiving disc (4); At least two connection blocks (27) are respectively slidably connected and arranged inside the second rectangular through hole (26); one end of each connection block (27) is fixedly provided with a guide plate (28), and the other end is fixedly provided with a limit adjustment plate (29); each of the guide plates (28) is arranged on the top of the material receiving disc (4), and each of the limit adjustment plates (29) is arranged on the bottom of the material receiving disc (4); Two sliding blocks (30) are respectively slidably connected to the bottom of the limit adjustment plate (29), each of the sliding blocks (30) is sleeved on the driving rod (24), each of the sliding blocks (30) is threadedly connected to the driving rod (24), and the two thread directions are symmetrically arranged; Two extension plates (31) are respectively fixedly arranged on the sides of the sliding block (30), each of the extension plates (31) is provided with a locking hole (32), and each of the limit adjustment plates (29) is provided with a plurality of adjustment holes (33) adapted to the locking holes (32).

7. The device for continuous welding of multiple plates according to claim 6, characterized in that: The linkage components include: At least one second fixed plate (34) is fixedly mounted on the bottom of the material receiving disc (4), and a connecting shaft (35) is rotatably connected to one side of the second fixed plate (34); At least one belt-type synchronous wheel set (36), one pulley of which is sleeved on and fixedly connected to the driving rod (24), and the other pulley of which is sleeved on and fixedly connected to the connecting shaft (35); at least one third gear (37) sleeved on the connecting shaft (35), the third gear (37) being fixedly connected to the connecting shaft (35); at least one third fixed plate (38), one end of which is fixedly mounted on the bottom of the receiving disc (4); a rack (39) is slidably connected to one side of the third fixed plate (38), and the rack (39) is meshed with the third gear (37); At least one connecting arm (40) has one end hinged to the baffle (23) and the other end hinged to an end of the rack (39) away from the material receiving disc (4).

8. The device for continuous welding of multiple plates according to claim 1, characterized in that: The guide splicing component comprises: A mounting groove (41) is arranged in the middle of the material receiving disc (4); An electromagnet plate (42) is slidably connected and arranged inside the mounting groove (41), and the top surface of the electromagnet plate (42) is flush with the top surface of the material receiving disc (4); A threaded rod (43) is rotatably connected and arranged in the mounting groove (41); the electromagnet plate (42) is sleeved on the threaded rod (43), and the electromagnet plate (42) is threadably connected to the threaded rod (43); The third motor (44) is embedded in the top of the material receiving disc (4), and the output shaft of the third motor (44) passes through the mounting groove (41) and is fixedly connected to one end of the threaded rod (43).

9. The welding method of the composite plate continuous welding device according to claim 1, characterized in that: The steps include: S1: two steel plate raw materials are respectively transported to corresponding material receiving discs (4) via a first conveyor (2), and are stopped by a material blocking component, so that the steel plate raw materials stop moving forward, and a primary guiding operation of the steel plate raw materials is performed; S2: The steel plate raw material is sucked onto the receiving disc (4) by guiding the splicing assembly, and the shaft rod (6) is driven upward by the cylinder (7), the shaft rod (6) drives the receiving disc (4) upward, and the receiving disc (4) drives the steel plate raw material upward for a certain distance, so that the steel plate raw material is not affected by the crawler belt of the first conveyor (2); S3: The steel plate raw material is guided by the guiding component so that the steel plate raw material is in the middle. At the same time, the guiding component drives the linkage component to work, and the linkage component drives the blocking component to work to remove the blocking of one end of the steel plate raw material; S4: The shaft rod (6) is driven to rotate through the steering assembly, the shaft rod (6) drives the receiving disc (4) to rotate, and the receiving disc (4) drives the steel plate raw materials to rotate through the guide assembly, so that the ends of the two steel plate raw materials to be welded are arranged opposite to each other; S5: The steel plate raw materials are driven to move by guiding the splicing assembly so that one end of the two steel plate raw materials are attached to each other and are located at the central welding position of the laser welding machine (1), and the shaft rod (6) is driven to move downward by the cylinder (7), and the shaft rod (6) drives the material receiving disc (4) to move downward until the steel plate raw materials are placed on the material receiving conveyor (8), and the guiding splicing assembly stops working and gives up adsorbing the steel plate raw materials; S6: The second conveyor (3) is operated to drive the material receiving conveyor (8) to operate, so that the two steel plate raw materials that have been spliced ​​are moved toward the laser welding machine (1) and are welded by the laser welding machine (1).

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