Automatic wire feeding laser welding machine

Abstract

The utility model belongs to the technical field of laser welding, and discloses an automatic wire feeding laser welding machine which comprises a welding head, a connecting block is fixedly arranged on the outer side of the welding head, a circular groove hole is fixed in the front end of the connecting block, a wire feeding pipe is fixedly connected in the circular groove hole of the connecting block, and the wire feeding pipe is connected with a wire feeding pipe. A wire feeding box is fixedly connected to the right end of the wire feeding pipe, a first fixing block is fixedly arranged in the wire feeding box, a fixing plate is fixedly connected to the top end of the first fixing block, a first motor is fixedly arranged at the rear end of the fixing plate, and a conveying wheel is rotatably connected to the front end of the first motor; a conveying belt is rotatably connected to the outer side of the conveying wheel, the conveying wheel is rotatably connected to the right end of the conveying belt, a second fixing block is fixedly arranged at the rear end of the fixing plate, and two connecting rods are fixedly connected to the top end of the second fixing block. The welding wire clamping device has the advantages that different welding wires can be clamped, and the welding wires can rotate along with a welding head.

Description

Technical Field

[0001] The utility model belongs to the technical field of laser welding, in particular to an automatic wire feeding laser welding machine. Background Art

[0002] With the development of science and technology, the technology of laser welding has been continuously advancing, and the proportion of technology application has been increasing year by year. At present, laser welding technology has been widely used in many manufacturing fields such as manufacturing, electronics, and automobile industries. Laser wire feeding welding is a processing method that uses a continuous laser to emit a high-energy laser beam to melt the welding wire and the workpiece, cool it, and then weld several parts of the workpiece together.

[0003] The patent description with application number 202123020786.8 discloses an automatic wire feeding laser welding, and the utility model is about an automatic wire feeding laser welding machine. The welding machine comprises: a welding base plate, a welding bracket, a welding head and a wire feeding mechanism; the welding head is arranged on the welding bracket; wherein, a first pulley and a second pulley are arranged on the welding head, and the wire feeding mechanism comprises a welding wire placing rack for placing welding wire; the first pulley is tangent to the second pulley, and welding wire is placed on the tangent surface of the first pulley and the second pulley, and the welding wire is respectively abutted against the first pulley and the second pulley; the first pulley is provided with a motor, the rotating shaft of the motor is keyed to the rotating shaft of the first pulley, and the motor is fixed on the welding head, and the laser emitting end of the welding head is aligned with the welding wire.

[0004] However, in the implementation of relevant technologies, it was found that the above-mentioned automatic wire feeding laser welding has the following problems: different welding wires are needed to weld different objects, and this equipment cannot clamp other welding wires or transport the welding wires, and this equipment cannot make the welding wire rotate with the welding head, resulting in empty welds. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides an automatic wire feeding laser welding machine, which has the advantages of clamping different welding wires and allowing the welding wire to rotate with the welding head.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic wire feeding laser welding machine, comprising a welding head, a connecting block is fixedly arranged on the outside of the welding head, a circular slot is fixed inside the front end of the connecting block, a wire feeding tube is fixedly connected inside the circular slot of the connecting block, the right end of the wire feeding tube is fixedly connected to a wire feeding box, a first fixed block is fixedly arranged inside the wire feeding box, a fixed plate is fixedly connected to the top of the first fixed block, a first motor is fixedly arranged at the rear end of the fixed plate, a transmission wheel is rotatably connected to the front end of the first motor, a conveyor belt is rotatably connected to the outer side of the conveyor wheel, and a transmission wheel is rotatably connected to the right end of the conveyor belt, a second fixed block is fixedly arranged at the rear end of the fixed plate, two connecting rods are fixedly connected to the top of the second fixed block, a support plate is fixedly connected to the top of the second fixed block, a threaded rod is rotatably connected to the top of the threaded rod, a second motor is fixedly connected to the bottom end of the second motor, the threaded rod passes through the driving block, and another fixed plate is fixedly connected to the front end of the driving block.

[0007] Preferably, a round block is fixedly provided at the inner front end of the wire feeding box, and the round block of the wire feeding box is rotatably connected to the welding wire coil.

[0008] Preferably, circular blocks are fixedly provided at both ends of the conveying wheel, and the circular blocks of the conveying wheel are rotatably connected to a fixing plate.

[0009] Preferably, a thread is fixedly provided at the bottom end of the wire feeding tube, and a fixing ring is rotatably connected to the bottom end of the wire feeding tube.

[0010] Preferably, a handle is fixedly provided at the top of the welding head. A guide rail is slidably connected to the outer side of the welding head, a groove is provided inside the guide rail, a first slider is slidably connected inside the groove of the guide rail, and the first slider is fixed to the outer side of the welding head.

[0011] Preferably, the right end of the guide rail is slidably connected to a second slide rail, a second slider is fixedly provided at the right end of the second slide rail, a circular slot is provided inside the second slider, a fixing bolt is slidably connected inside the circular slot of the second slider, and the fixing bolt passes through and is connected to the second slide rail.

[0012] Preferably, the bottom end of the second sliding block is slidably connected to the first sliding rail, and the bottom end of the first sliding rail is fixedly connected to the workbench.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model enables the equipment to clamp and transmit different welding wires through the coordinated use of a wire feeding box, a welding wire coil, a first motor, a first fixed block, a fixed plate, a support plate, a second motor, a threaded rod, a driving block, a conveyor belt and a connecting rod, and drags the threaded rod to rotate, thereby controlling the driving block to drive the conveyor belt to continuously approach the bottom conveyor belt, thereby clamping and transmitting the welding wire, saving the transmission tools for replacing different welding wires, and also improving work efficiency.

[0015] 2. The utility model enables the equipment to adjust the position of the welding head through the coordinated use of the handle, the second slider, the fixing bolt, the first slider, the guide rail, the connecting block and the fixing ring, and can better move the welding head through the handle, so that the welding head can drive the welding wire to rotate, thereby preventing the welding object from having empty welds, and greatly improving the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the wire feeding box of the utility model;

[0019] Figure 4 This is a schematic diagram of the cross-sectional structure of the conveyor belt of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the wire feeding tube of the utility model.

[0021] In the figure: 1. workbench; 2. welding head; 3. first slider; 4. connecting block; 5. first slide rail; 6. handle; 7. second slider; 8. fixing bolt; 9. second slide rail; 10. wire feeding box; 11. guide rail; 12. fixing ring; 13. wire feeding tube; 14. first motor; 15. first fixing block; 16. fixing plate; 17. conveyor belt; 18. welding wire roll; 19. second motor; 20. threaded rod; 21. driving block; 22. second fixing block; 23. connecting rod; 24. conveying wheel; 25. supporting plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figures 1 to 5As shown, the utility model provides an automatic wire feeding laser welding machine, including a welding head 2, a connecting block 4 is fixed to the outside of the welding head 2 by integral molding, a circular slot is fixed inside the front end of the connecting block 4, and the circular slot is inclined. A wire feeding tube 13 is fixed inside the circular slot of the connecting block 4 by welding, the left end of the wire feeding tube is set as a steel pipe structure, and the right end is set as a hose structure. The right end of the wire feeding tube 13 is fixed with a wire feeding box 10 by integral molding, and a first fixed block 15 is fixed to the inside of the wire feeding box 10 by welding. The first fixed block 15 prevents the bottom end of the conveyor belt 17 from rubbing against the inner wall of the wire feeding box 10. A fixed plate 16 is fixed to the top of the first fixed block 15 by welding. The function of the fixed plate 16 is to fix the conveying wheel 24 to rotate, and the rear end of the fixed plate 16 is fixed with a first electric Machine 14, the front end of the first motor 14 is rotatably connected to the transmission wheel 24, the outer side of the transmission wheel 24 is rotatably connected to the conveyor belt 17, the right end of the conveyor belt 17 is rotatably connected to the transmission wheel 24, and the rear end of the fixed plate 16 is fixedly provided with a second fixed block 22, and the movement of the driving block 21 is limited by the second fixed block 22 and two connecting rods 23 to prevent the driving block 21 from deflecting, the top of the second fixed block 22 is fixedly connected to two connecting rods 23, the top of the connecting rod 23 is fixedly connected to a support plate 25, the top of the second fixed block 22 is rotatably connected to a threaded rod 20, the top of the threaded rod 20 is rotatably connected to a second motor 19, the bottom end of the second motor 19 is fixedly provided with a support plate 25, the threaded rod 20 penetrates the driving block 21, and the front end of the driving block 21 is fixedly connected to another fixed plate 16.

[0024] A round block is fixed to the front end of the wire feeding box 10 by welding. The round block of the wire feeding box 10 is rotatably connected to the welding wire roll 18. The welding wire roll 18 is fixed by the round block to prevent the welding wire roll 18 from deflecting.

[0025] Circular blocks are fixedly provided at both ends of the right transmission wheel 24, and the circular blocks of the transmission wheel 24 are rotatably connected to the fixed plate 16. This design limits the movement of the transmission wheel 24 by the fixed plate 16 to prevent the transmission wheel 24 from deviating. The bottom end of the wire feeding tube 13 is fixedly provided with a thread, and the bottom end of the wire feeding tube 13 is rotatably connected to the fixed ring 12.

[0026] The top of the welding head 2 is fixed with a handle 6 by integral molding. The outer side of the welding head 2 is slidably connected with a guide rail 11, and a groove is provided inside the guide rail 11. The first slider 3 is slidably connected inside the groove of the guide rail 11. The welding head 2 can be moved and rotated in the guide rail 11 through the first slider 3, which is convenient for users to weld the welding object. The first slider 3 is fixed to the outer side of the welding head 2 by integral molding.

[0027] The right end of the guide rail 11 is slidably connected to the second slide rail 9, and the right end of the second slide rail 9 is fixed with a second slider 7 through integral molding, which is convenient for users to control the up and down movement of the welding head 2. A circular slot is provided inside the second slider 7, and a fixing bolt 8 is slidably connected inside the circular slot of the second slider 7. The fixing bolt 8 penetrates and is connected to the second slide rail 9. A circular slot is also provided at the right end of the guide rail 11. The fixing bolt 8 is inserted into the circular slot to fix the guide rail 11, so that the welding head 2 cannot move up and down, which is convenient for users not to shake the welding head 2 during use. The bottom end of the second slider 7 is slidably connected to the first slide rail 5, and the bottom end of the first slide rail 5 is fixedly connected to the workbench 1.

[0028] Among them, the first motor 14 and the second motor 19 are existing technologies and will not be described in detail; at the same time, the utility model also includes a power supply, a controller and a switch, which are not the main technical points of this patent and will not be described in detail.

[0029] Workflow and principle:

[0030] During use, the user fixes the welding wire roll 18 through the round block fixed at the front end of the wire feeding box 10, draws out the welding wire in the welding wire roll 18, and places it on the conveyor belt 17 at the bottom. By starting the second motor 19 to rotate, the threaded rod 20 is controlled to rotate, driving the driving block 21 to move downward. The driving block 21 is connected to the top conveyor belt 17, thereby controlling the top conveyor belt 17 to move downward, clamping the welding wire, starting the first motor 14 to rotate, controlling the top conveyor belt 17 and the bottom conveyor belt 17 to operate simultaneously, and transmitting the welding wire into the wire feeding tube 13. When the welding wire is transmitted to the left end of the welding wire tube 13, the welding wire is sensed by the sensor on the welding head 2, thereby controlling the first motor 14 to stop running.

[0031] After the welding wire is adjusted, the object to be welded is placed on the workbench 1, and the welding head 2 is moved to a suitable position through the guide rail 11 and the first slide rail 5. After the position is adjusted, the fixing bolt 8 is inserted into the circular slot of the second slide block 7 and the guide rail 11, so that the welding head 2 will not move up and down, so that the user will not have hand shakes caused by moving the welding head 2 for a long time, making the welding more stable. The other end of the wire feeding tube 13 is fixed on the welding head 2, so that the welding head 2 can rotate at the same time when it rotates, so that the welding wire is always in front of the welding head 2 to prevent empty welding.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic wire feeding laser welding machine, comprising a welding head (2), characterized in that: A connecting block (4) is fixedly arranged on the outside of the welding head (2), a circular slot is fixedly arranged inside the front end of the connecting block (4), a wire feeding tube (13) is fixedly connected inside the circular slot of the connecting block (4), the right end of the wire feeding tube (13) is fixedly connected to a wire feeding box (10), a first fixed block (15) is fixedly arranged inside the wire feeding box (10), the top end of the first fixed block (15) is fixedly connected to a fixed plate (16), a first motor (14) is fixedly arranged at the rear end of the fixed plate (16), the front end of the first motor (14) is rotatably connected to a transmission wheel (24), the outer side of the transmission wheel (24) is rotatably connected to a conveyor belt (17), the The right end of the conveyor belt (17) is rotatably connected to a conveyor wheel (24); a second fixed block (22) is fixedly provided at the rear end of the fixed plate (16); two connecting rods (23) are fixedly connected to the top of the second fixed block (22); a support plate (25) is fixedly connected to the top of the connecting rod (23); a threaded rod (20) is rotatably connected to the top of the second fixed block (22); a second motor (19) is rotatably connected to the top of the threaded rod (20); a support plate (25) is fixedly provided at the bottom end of the second motor (19); the threaded rod (20) passes through a driving block (21); and a front end of the driving block (21) is fixedly connected to another fixed plate (16).

2. The automatic wire feeding laser welding machine according to claim 1, characterized in that: A round block is fixedly arranged at the front end of the interior of the wire feeding box (10), and the round block of the wire feeding box (10) is rotatably connected to a welding wire roll (18).

3. The automatic wire feeding laser welding machine according to claim 1, characterized in that: Circular blocks are fixedly arranged at both ends of the right transmission wheel (24), and the circular blocks of the transmission wheel (24) are rotatably connected to a fixed plate (16).

4. The automatic wire feeding laser welding machine according to claim 1, characterized in that: The bottom end of the wire feeding tube (13) is fixedly provided with a thread, and the bottom end of the wire feeding tube (13) is rotatably connected to a fixing ring (12).

5. The automatic wire feeding laser welding machine according to claim 1, characterized in that: A handle (6) is fixedly provided at the top end of the welding head (2); a guide rail (11) is slidably connected to the outer side of the welding head (2); a groove is provided inside the guide rail (11); a first slider (3) is slidably connected inside the groove of the guide rail (11); and the first slider (3) is fixed to the outer side of the welding head (2).

6. The automatic wire feeding laser welding machine according to claim 5, characterized in that: The right end of the guide rail (11) is slidably connected to a second slide rail (9), the right end of the second slide rail (9) is fixedly provided with a second slider (7), a circular slot hole is provided inside the second slider (7), a fixing bolt (8) is slidably connected inside the circular slot hole of the second slider (7), and the fixing bolt (8) penetrates and is connected to the second slide rail (9).

7. The automatic wire feeding laser welding machine according to claim 6, characterized in that: The bottom end of the second sliding block (7) is slidably connected to the first sliding rail (5), and the bottom end of the first sliding rail (5) is fixedly connected to the workbench (1).

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