Gantry type lithium battery laser welding equipment

Abstract

The utility model relates to gantry type lithium battery laser welding equipment which comprises a welding workbench, a feeding workbench is arranged at the feeding end of the welding workbench, a discharging workbench is arranged at the discharging end of the welding workbench, a gantry type three-axis sliding table is erected and installed on the welding workbench, and the moving end of the Z axis of the gantry type three-axis sliding table is connected with a welding head. A mounting plate is laid and connected to the welding workbench, a plurality of universal balls are evenly mounted on the mounting plate, an accompanying carrier used for positioning a workpiece is movably arranged on the universal balls, and transverse limiting baffles are arranged on the two sides, in the feeding direction of the accompanying carrier, of the welding workbench correspondingly. The gantry type three-axis sliding table is vertically and slidably connected with a longitudinal limiting baffle which is driven by an air cylinder and is matched with the transverse limiting baffle to position the accompanying carrier on a portal frame at the discharging end of the welding workbench. The welding equipment is high in welding speed, high in precision and suitable for welding battery assemblies of various sizes and shapes, and feeding, discharging and workpiece positioning are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of laser welding, in particular to a gantry type lithium battery laser welding device. Background Art

[0002] Currently, the traditional lithium battery welding method is spot welding. Spot welding is limited by the connection area and cannot be used for larger electrodes. The connection strength is poor and it is easy to break. Since high current is required, more heat will be generated, which will damage other components and slow the welding efficiency. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a gantry-type lithium battery laser welding device with high speed and high precision, which is suitable for welding battery components of various sizes and shapes.

[0004] The utility model is realized through the following technical solutions:

[0005] A gantry-type lithium battery laser welding device is provided, comprising a welding workbench, a loading workbench is arranged on the loading end of the welding workbench, a unloading workbench is arranged on the unloading end of the welding workbench, a gantry-type three-axis slide is mounted on the welding workbench, and the movable end of the Z-axis is connected to the welding head, a mounting plate is laid and connected on the welding workbench, a plurality of universal ball bearings are evenly mounted on the mounting plate, and an accompanying carrier for positioning the workpiece is movably arranged on the universal ball bearings, and transverse limit baffles are respectively arranged on both sides of the accompanying carrier in the feeding direction on the welding workbench, and the gantry-type three-axis slide is vertically slidably connected on the gantry at the unloading end of the welding workbench with a longitudinal limit baffle driven by a cylinder and cooperating with the transverse limit baffle to position the accompanying carrier.

[0006] Furthermore, the loading workbench and the unloading workbench both include a support frame welded from square tubes, and universal ball bearings are evenly installed on the transverse square tubes on the top of the support frame.

[0007] The loading workbench and the unloading workbench form a supporting skeleton through a supporting frame. Universal ball bearings are installed on the horizontal square tube on the top for the accompanying carrier to roll with, so that the accompanying carrier can carry the workpiece and slide from the loading workbench to the welding workbench.

[0008] Furthermore, rollers that roll with the lateral limit baffle are rotatably installed at the four corners of the accompanying vehicle.

[0009] The four corners of the accompanying vehicle are rotatably installed with rollers, which can cooperate with the lateral limit baffles on both sides to help reduce the contact friction and ensure the smooth movement of the accompanying vehicle.

[0010] Furthermore, a laser welding machine for providing laser to the welding head is installed under the welding workbench. An electric control cabinet for power supply and a water cooler for cooling the laser welding machine are respectively provided on both sides of the welding workbench. A control panel connected to the electric control cabinet and capable of controlling the operation of the equipment is installed on the gantry.

[0011] A laser welding machine is set under the welding workbench. The equipment is powered by an electric control cabinet, and the equipment can be easily operated with the set control panel.

[0012] Furthermore, the gantry-type three-axis slide is provided with guide rails vertically on the two upright poles of the gantry at the unloading end of the welding workbench, and sliders are slidably connected on the guide rails, and a longitudinal limit baffle is connected between the two sliders. The cylinder is vertically installed on the crossbeam of the gantry, and the piston rod of the cylinder is downward and connected to the longitudinal limit baffle.

[0013] The gantry-type three-axis slide is equipped with guide rails on the gantry at the unloading end of the welding workbench. The two ends of the longitudinal limit baffle are connected to the sliders and are slidably connected to the guide rails. The longitudinal limit baffle is driven up and down by the extension and contraction of the piston rod of the cylinder to limit and release the accompanying vehicle.

[0014] Beneficial effects of the utility model:

[0015] The laser welding equipment of the utility model provides a non-contact welding method, which generates high temperature on the metal surface through the laser beam, locally heats it to melt it and connect it together, and has the advantages of fast speed, high precision, and is suitable for welding battery components of various sizes and shapes.

[0016] The welding work platform is provided with a transverse limit baffle and a longitudinal limit baffle which cooperate with each other to position the accompanying carrier, thereby ensuring stability during welding. At the same time, a loading workbench and an unloading workbench are respectively provided at the loading end and the unloading end of the welding work platform, and universal ball bearings are respectively provided, which can facilitate the movement of the accompanying carrier to carry the workpiece for loading and unloading, thereby improving the convenience of use and reducing the labor intensity of the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 It is a schematic diagram of the installation structure of the welding workbench in the utility model.

[0019] Figure 3 It is a structural schematic diagram of the loading workbench in the utility model.

[0020] Figure 4 It is an enlarged schematic diagram of the welding workbench in the utility model.

[0021] As shown in the figure:

[0022] 1. Welding workbench, 2. Loading workbench, 3. Unloading workbench, 4. Gantry three-axis slide, 5. Welding head, 6. Workpiece, 7. Accompanying carrier, 8. Water cooler, 9. Electric control cabinet, 10. Universal ball, 11. Control panel, 12. Mounting plate, 13. Gantry, 14. Horizontal limit baffle, 15. Support frame, 16. Horizontal square tube, 17. Cylinder, 18. Longitudinal limit baffle, 19. Slider, 20. Guide rail, 21. Roller. DETAILED DESCRIPTION

[0023] In order to clearly illustrate the technical features of this solution, this solution is described below through a specific implementation method.

[0024] like Figure 1-Figure 4 As shown, a gantry-type lithium battery laser welding device includes a welding workbench 1, a loading workbench 2 is arranged at the loading end of the welding workbench 1, and a unloading workbench 3 is arranged at the unloading end of the welding workbench 1. The loading workbench 1 and the unloading workbench 3 both include a support frame 15 welded from square tubes, and universal balls 10 are evenly installed on the transverse square tubes 16 on the top of the support frame 15.

[0025] A gantry-type three-axis slide 4 is mounted on the welding workbench 1, and the movable end of its Z-axis is connected to a welding head 5. A mounting plate 12 is laid and connected to the welding workbench 1, and a number of universal ball bearings 10 are evenly mounted on the mounting plate 12. An accompanying carrier 7 for positioning a workpiece 6 is movably arranged on the universal ball bearings 10. Horizontal limit baffles 14 are respectively arranged on both sides of the accompanying carrier 7 in the feeding direction of the welding workbench 1. The gantry-type three-axis slide 4 is vertically slidably connected on the gantry 13 at the unloading end of the welding workbench 1, and a longitudinal limit baffle 18 driven by a cylinder 17 and cooperating with the horizontal limit baffle 14 to position the accompanying carrier 7. The gantry-type three-axis slide 4 is vertically provided with guide rails 20 on the two uprights of the gantry 13 at the unloading end of the welding workbench 1, and sliders 19 are slidably connected to the guide rails 20, and the longitudinal limit baffle 18 is connected between the two sliders 19. The cylinder 17 is vertically installed on the crossbeam of the gantry 13, and the piston rod of the cylinder 17 is downward and connected to the longitudinal limit baffle 18.

[0026] In order to ensure smooth operation, rollers 21 that roll with the lateral limit baffle 14 are rotatably installed at the four corners of the accompanying carrier 7 .

[0027] A laser welding machine for providing laser to the welding head 5 is installed under the welding workbench 1. An electric control cabinet 9 for power supply and a water cooler 8 for cooling the laser welding machine are respectively provided on both sides of the welding workbench 1. A control panel 11 connected to the electric control cabinet 9 and capable of controlling the operation of the equipment is installed on the gantry 13.

[0028] The working process of this utility model:

[0029] The workpiece 6 to be welded is placed on the accompanying carrier 7 and placed on the loading workbench 2. The accompanying carrier 7 carrying the workpiece 6 can be pushed to the welding workbench 1 by the universal ball 10 on the loading workbench 2. The rollers 21 at the four corners of the accompanying carrier 7 contact with the lateral limit baffles 14 on both sides and are limited and guided. The cylinder 17 controls the piston rod to extend and push the longitudinal limit baffle 18 down. The accompanying carrier 7 moves to the longitudinal limit baffle 18 and is blocked and positioned. At this time, the control panel 11 can be used to control the position of the accompanying carrier 7. Start the laser welding machine, and control the gantry-type three-axis slide 4 to drive the welding head 5 to move in the three directions of X-axis, Y-axis and Z-axis according to welding needs to complete the welding work. After the welding is completed, the piston rod of the cylinder 17 is retracted, driving the longitudinal limit baffle 18 to rise. At this time, the accompanying carrier 7 after welding can be pulled out from the unloading workbench 3 through the universal ball 10 on the welding workbench 1, and the unloading is completed at the unloading workbench 3.

[0030] Of course, the above description is not limited to the above examples. The technical features not described in the present invention can be achieved by or by adopting the existing technology, which will not be repeated here. The above embodiments and drawings are only used to illustrate the technical scheme of the present invention and are not limitations of the present invention. The present invention is described in detail with reference to the preferred implementation methods. Ordinary technicians in this field should understand that the changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention do not deviate from the purpose of the present invention and should also fall within the scope of protection of the claims of the present invention.

Claims

1. A gantry type lithium battery laser welding equipment, comprising a welding workbench, a loading workbench is arranged on the loading end of the welding workbench, and a unloading workbench is arranged on the unloading end of the welding workbench, characterized in that: A gantry-type three-axis slide is installed on the welding workbench, and the moving end of its Z-axis is connected to the welding head. A mounting plate is laid and connected to the welding workbench, and a number of universal ball bearings are evenly installed on the mounting plate. An accompanying carrier for positioning the workpiece is movably arranged on the universal ball bearings. Horizontal limit baffles are respectively arranged on both sides of the accompanying carrier in the feeding direction of the welding workbench. The gantry-type three-axis slide is vertically slidably connected to the gantry at the unloading end of the welding workbench, and a longitudinal limit baffle driven by a cylinder and cooperates with the horizontal limit baffle to position the accompanying carrier.

2. The gantry type lithium battery laser welding equipment according to claim 1 is characterized in that: The loading workbench and the unloading workbench both comprise a support frame welded from square tubes, and universal balls are evenly installed on the transverse square tubes on the top of the support frame.

3. The gantry type lithium battery laser welding equipment according to claim 1, characterized in that: Rollers that roll with the lateral limit baffles are rotatably mounted on the four corners of the accompanying vehicle.

4. The gantry type lithium battery laser welding equipment according to claim 1, characterized in that: A laser welding machine that provides laser for the welding head is installed under the welding workbench. An electric control cabinet for power supply and a water cooler for cooling the laser welding machine are also installed on both sides of the welding workbench. A control panel connected to the electric control cabinet and capable of controlling the operation of the equipment is installed on the gantry.

5. The gantry type lithium battery laser welding equipment according to claim 1, characterized in that: The gantry-type three-axis slide is provided with guide rails vertically on the two upright poles of the gantry at the unloading end of the welding workbench, and sliders are slidably connected to the guide rails respectively, and the longitudinal limit baffle is connected between the two sliders. The cylinder is vertically installed on the crossbeam of the gantry, and the piston rod of the cylinder is downward and connected to the longitudinal limit baffle.

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