An automatic welding device for electrical box of door panel of energy storage container

Abstract

The present invention belongs to the field of welding equipment, and provides an automatic welding device for an electrical box of an energy storage container door panel, comprising a welding table, a square hole is opened in the middle of the welding table, a top frame is fixedly installed on the top of the welding table, a four-degree-of-freedom welding mechanism is installed on the top frame, and the four-degree-of-freedom welding mechanism is used to weld the electrical box to the container door panel; a base is arranged below the welding table, and a plurality of self-locking positioning components are installed on the base, and the plurality of self-locking positioning components are distributed in a rectangular array. The present invention sets a plurality of self-locking positioning components, and after the electrical box is inserted into the hole of the container door panel, the plurality of self-locking positioning components will perform self-locking auxiliary positioning on the electrical box, without the need to manually hold the electrical box, and no longer need to spot-weld the electrical box and then place it on the welding table, so that the welding operation of the container door panel is more convenient, the manpower input is reduced, and the welding efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the field of welding equipment, and in particular relates to an automatic welding device for an electrical box of a door panel of an energy storage container. Background Art

[0002] The energy storage container is a highly integrated energy storage device. It uses the container as a good carrier. Multiple energy storage battery modules / battery clusters can be placed inside and connected to external devices through a small number of interfaces. It has the characteristics of high integration, small footprint and good scalability. It is an important part of the development of distributed energy, smart grid and energy Internet in energy storage systems.

[0003] The interfaces on the energy storage container will be installed in the electrical box on the door panel. The electrical box protects the interfaces and prevents them from being affected and damaged by the external environment. When producing the energy storage container body, the electrical box is usually welded to the container door panel first, and the corresponding holes are opened on the container door panel. The electrical box is placed in the holes, and then the electrical box is welded to the container door panel.

[0004] In order to improve welding efficiency, the existing welding of container door panels mostly adopts automatic welding machines. However, since the thickness of the electrical box is greater than the thickness of the container door panel, and both ends of the electrical box need to pass through the container door panel, the staff needs to spot weld the electrical box on the container door panel first, and then place the container door panel on the automatic welding machine for automatic welding. The labor intensity of the staff is high, the welding efficiency is low, and the manpower investment is large. Summary of the invention

[0005] The purpose of the present invention is to provide an automatic welding device for an electrical box of an energy storage container door panel, aiming to solve the technical problems in the prior art that the electrical box needs to be manually spot welded before the container door panel can be automatically welded, resulting in large manpower investment and low welding efficiency.

[0006] The present invention is implemented as follows: an automatic welding device for an electrical box of a door panel of an energy storage container comprises a welding table, a square hole is opened in the middle of the welding table, the container door panel is placed on the welding table, the electrical box can extend through the square hole, and the container door panel is prevented from being placed unevenly. A top frame is fixedly installed on the top of the welding table, and a four-degree-of-freedom welding mechanism is installed on the top frame. The four-degree-of-freedom welding mechanism is used to weld the electrical box to the container door panel;

[0007] A base is provided below the welding table, and a plurality of self-locking positioning components are installed on the base, and the plurality of self-locking positioning components are distributed in a rectangular array, and the output ends of the plurality of self-locking positioning components all pass through the square holes and are flush with the upper surface of the welding table. The plurality of self-locking positioning components are used to support the electrical box and perform self-locking auxiliary positioning on the electrical box. There is no need to manually support the electrical box, so that the four-degree-of-freedom welding mechanism can directly weld the electrical box to the container door panel, and there is no need to spot-weld the electrical box and then place it on the welding table, which makes the welding operation of the container door panel more convenient, reduces the input of manpower, and improves the welding efficiency.

[0008] Further technical solution: The self-locking positioning assembly includes a fixed cylinder fixedly installed on the base, an abutment rod slidably installed on the top of the fixed cylinder, a compression spring connected between the abutment rod and the fixed cylinder, the interior of the fixed cylinder is fixedly connected to a limiting rack, a plurality of locking assemblies are installed on the abutment rod, and a bar electromagnet is also installed inside the fixed cylinder, the bar electromagnet is located on the side of the limiting rack away from the locking assembly, an iron block is arranged inside the output end of the locking assembly, and after the bar electromagnet is energized, the output end of the locking assembly is engaged with the limiting rack, thereby increasing the friction between the abutment rod and the fixed cylinder, so that the abutment rod can support the electrical box, thereby facilitating the positioning of the electrical box.

[0009] Further technical solution: the locking assembly includes a mounting groove provided on the abutment rod, a positioning rack is slidably installed inside the mounting groove, a tension spring is connected between the positioning rack and the mounting groove, and the iron block is installed inside the positioning rack.

[0010] Further technical solution: A pressing mechanism is also installed on the welding table, and the pressing mechanism includes a slide rail fixedly connected to the welding table, a sliding seat is slidably installed on the slide rail, a rotating column is installed on the sliding seat, a swing arm is fixedly connected to the end of the rotating column, a sliding mounting block is slidably connected to the swing arm, a third telescopic rod is fixedly installed on the sliding mounting block, and a pressing plate is fixedly connected to the movable end of the third telescopic rod close to the welding table;

[0011] Since the installation positions of the electrical boxes on different container door panels are different, and the heights of the electrical boxes protruding from the container door panels are also different, it is necessary to make the pressing plate adjustable in position. In order to drive the sliding mounting block to move, the pressing mechanism further includes a first servo motor, which is mounted on the swing arm, and the output shaft of the first servo motor is fixedly connected to a second screw, which is threadedly connected to the sliding mounting block;

[0012] In order to drive the sliding seat to move, the pressing mechanism also includes a second servo motor, the second servo motor is installed on the slide rail, the output shaft of the second servo motor is fixedly connected to the first screw rod, and the first screw rod is threadedly connected to the sliding seat.

[0013] Further technical solution: The pressing mechanism also includes a third servo motor, the third servo motor is installed on the sliding seat, the rotating column is rotatably installed on the sliding seat, and a transmission pair is transmission-connected between the output shaft of the third servo motor and the rotating column.

[0014] Further technical solution: The pressing mechanism also includes a third stepper motor and a positioning column, the positioning column is vertically slidably installed on the pressing plate, the third stepper motor is fixedly installed on the top of the pressing plate, the output shaft of the third stepper motor is fixedly connected to a third screw, and the third screw is threadedly connected to the positioning column.

[0015] Further technical solution: A loading and unloading assembly is also installed on the base, and the loading and unloading assembly includes two jacking assemblies, and the two jacking assemblies are respectively installed below the two sides of the container door panel, and the jacking assembly includes two second telescopic rods, and the two second telescopic rods are installed on the base, and the movable ends of the two second telescopic rods are installed with the same mounting beam, and a plurality of rotatable guide rollers are installed on the top of the mounting beam, and the welding table is provided with slots for the guide rollers to pass through;

[0016] In order to make the movement of the mounting beam more stable, the jacking assembly also includes a guide cylinder, which is fixedly connected to the base. A guide rod is slidably installed on the top of the guide cylinder, and the guide rod is fixedly connected to the bottom of the mounting beam.

[0017] Further technical solution: the four-degree-of-freedom welding mechanism comprises a truss slidably mounted on the top frame, a first mounting frame is slidably mounted on the side of the truss, a vertical linear module is fixedly mounted on the first mounting frame, a second mounting frame is fixedly mounted on the output end of the vertical linear module, and a welding machine is rotatably mounted on the end of the second mounting frame close to the welding table;

[0018] In order to drive the truss to move laterally along the welding table, the four-degree-of-freedom welding mechanism also includes two first racks, the two first racks are respectively fixedly mounted on both sides of the top frame, a first stepper motor is fixedly mounted on the truss, the output shaft of the first stepper motor is connected to a reducer, the two output shafts of the reducer are both fixedly connected to a rotating rod, one end of the two rotating rods is fixedly connected to a first gear, and the two first gears are respectively meshed with the two first racks;

[0019] In order to drive the first mounting frame to move longitudinally along the welding table, a horizontal linear module is fixedly installed on the truss, and the output end of the horizontal linear module is fixedly connected to one end of the first mounting frame;

[0020] In order to make the welding machine adjustable in direction, the welding machine needs to be driven to rotate, the four-degree-of-freedom welding mechanism also includes a second stepper motor fixedly mounted on a second mounting frame, the output end of the second stepper motor is fixedly connected to a second gear, the welding machine is fixedly connected to a third gear, and the second gear and the third gear are meshed and connected;

[0021] In order to enable the four-degree-of-freedom welding mechanism to automatically weld the container door panels, a linear laser sensor (not shown) is also installed on the second mounting frame, and a data processing module and a control module are also provided on the device.

[0022] Further technical solution: a plurality of material guide pads and a plurality of positioning pads are fixedly connected to the upper surface of the welding table, a plurality of the material guide pads are equidistantly distributed on one side of two adjacent sides of the square hole, a plurality of the positioning pads are equidistantly distributed on one side of the other two adjacent sides of the square hole, and the material guide pads and the positioning pads are arranged correspondingly, the material guide pad is "I"-shaped, and the positioning pad is "L"-shaped, and a plurality of first telescopic rods are also fixedly installed on the welding table, and the plurality of the first telescopic rods are distributed on the side surfaces of the two sides of the square hole opposite to the positioning pad, and a push plate is provided at the movable end of the first telescopic rod.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] 1. The present invention provides a plurality of self-locking positioning components. After the electrical box is inserted into the hole of the container door panel, the plurality of self-locking positioning components will perform self-locking auxiliary positioning on the electrical box, without the need to manually hold the electrical box, and without the need to spot-weld the electrical box and then place it on the welding table, making the welding operation of the container door panel more convenient, reducing the input of manpower, and improving the welding efficiency;

[0025] 2. The present invention can release the self-locking of the abutment rod by disconnecting the power supply of the bar-shaped electromagnet, so that the self-locking positioning assembly can be restored to its original state, which is convenient for repositioning container door panels and electrical boxes of different models. The device can adapt to the welding of container door panels of different models;

[0026] 3. The present invention, by providing a pressing mechanism, can accurately press the electrical box to a suitable height, so that the electrical box is positioned more accurately and the welding quality of the container door panel is improved;

[0027] 4. The present invention, by setting a third stepper motor and a positioning column, before pressing the electrical box, firstly drives the positioning column to extend out of the pressing plate through the third stepper motor, controls the distance of the positioning column extending out of the bottom of the pressing plate, which is the distance from the top of the electrical box to the surface of the container door panel, and then squeezes the electrical box through the pressing plate. When the positioning column contacts the surface of the container door panel, the pressing plate is blocked and no longer moves, so that the welding accuracy is higher;

[0028] 5. The present invention sets a loading and unloading assembly. After welding is completed, the second telescopic rod drives the mounting beam and the guide roller to rise, and the guide roller drives the container door panel to rise, and makes the top of the electrical box higher than the upper surface of the positioning pad. The staff can easily pull out the container door panel, which solves the problem of inconvenience in unloading caused by the electrical box protruding from the container door panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the overall top view of the structure of the present invention.

[0030] Figure 2 It is a schematic diagram of the overall bottom-up structure of the present invention.

[0031] Figure 3 It is a schematic diagram of the overall front view structure of the present invention when placing the container door panel.

[0032] Figure 4 For the present invention Figure 3 Enlarged schematic diagram at point A in the middle.

[0033] Figure 5 It is a structural schematic diagram of the four-degree-of-freedom welding mechanism in the present invention.

[0034] Figure 6 For the present invention Figure 5 Enlarged schematic diagram of point B in the middle.

[0035] Figure 7 It is a cross-sectional schematic diagram of the self-locking positioning assembly in the present invention.

[0036] Figure 8 For the present invention Figure 7 Enlarged schematic diagram at point D in the middle.

[0037] Fig. 9 It is a schematic structural diagram of a top view of a welding station in the present invention.

[0038] Fig.10 For the present invention Fig. 9 Enlarged schematic diagram at point C in the middle.

[0039] Fig.11 It is a structural schematic diagram of the pressing mechanism in the present invention.

[0040] Fig.12 For the present invention Fig.11 Enlarged schematic diagram at point E in the middle.

[0041] Fig.13 It is a structural schematic diagram of the loading and unloading components in the present invention.

[0042] In the attached drawings: 1, welding table; 2, top frame; 3, four-degree-of-freedom welding mechanism; 31, horizontal linear module; 32, truss; 33, first gear; 34, rotating rod; 35, first rack; 36, first stepper motor; 37, first mounting frame; 38, vertical linear module; 39, second mounting frame; 310, second stepper motor; 311, welding machine; 312, second gear; 313, third gear; 4, loading and unloading assembly; 41, guide roller; 42, second telescopic rod; 43, mounting beam; 44, guide rod; 45, guide cylinder; 5, base; 6, first telescopic rod; 7, pressing mechanism; 71, first servo motor; 7 2. Rotating column; 73. Sliding seat; 74. Slide rail; 75. First screw rod; 76. Swing arm; 77. Second screw rod; 78. Third telescopic rod; 79. Sliding mounting block; 710. Second servo motor; 711. Pressing plate; 712. Third servo motor; 713. Transmission pair; 714. Third stepping motor; 715. Positioning column; 8. Self-locking positioning assembly; 81. Abutting rod; 82. Positioning rack; 83. Limiting rack; 84. Bar electromagnet; 85. Fixed cylinder; 86. Compression spring; 87. Mounting groove; 88. Tension spring; 9. Material guide pad; 10. Container door panel; 11. Notch; 12. Positioning pad. DETAILED DESCRIPTION

[0043] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0044] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0045] like Figure 1-Figure 8 As shown, an automatic welding device for an electrical box of an energy storage container door panel provided by the present invention comprises a welding platform 1, a square hole is opened in the middle of the welding platform 1, a container door panel 10 is placed on the welding platform 1, and the electrical box can extend through the square hole to prevent the container door panel 10 from being placed unevenly, a top frame 2 is fixedly installed on the top of the welding platform 1, a four-degree-of-freedom welding mechanism 3 is installed on the top frame 2, and the four-degree-of-freedom welding mechanism 3 is used to weld the electrical box to the container door panel 10;

[0046] A base 5 is provided below the welding table 1, and a plurality of self-locking positioning components 8 are installed on the base 5. The plurality of self-locking positioning components 8 are distributed in a rectangular array, and the output ends of the plurality of self-locking positioning components 8 all pass through the square holes and are flush with the upper surface of the welding table 1. The plurality of self-locking positioning components 8 are used to support the electrical box and perform self-locking auxiliary positioning on the electrical box. There is no need to manually support the electrical box, so that the four-degree-of-freedom welding mechanism 3 can directly weld the electrical box to the container door panel 10, and there is no need to spot-weld the electrical box and then place it on the welding table 1, which makes the welding operation of the container door panel 10 more convenient, reduces the manpower input, and improves the welding efficiency.

[0047] like Figure 1-Figure 3 and Figure 7-Figure 8 As shown, an automatic welding device for an electrical box of a door panel of an energy storage container provided by the present invention is provided. In this embodiment, the self-locking positioning assembly 8 includes a fixed cylinder 85 fixedly mounted on a base 5, and an abutment rod 81 is slidably mounted on the top of the fixed cylinder 85. A compression spring 86 is connected between the abutment rod 81 and the fixed cylinder 85. A limiting rack 83 is fixedly connected inside the fixed cylinder 85, and a plurality of engaging assemblies are installed on the abutment rod 81. A bar electromagnet 84 is also installed inside the fixed cylinder 85. The bar electromagnet 84 is located on the side of the limiting rack 83 away from the engaging assembly. An iron block is arranged inside the output end of the engaging assembly. After the bar electromagnet 84 is energized, the output end of the engaging assembly is engaged with the limiting rack 83, thereby increasing the friction between the abutment rod 81 and the fixed cylinder 85, so that the abutment rod 81 can support the electrical box, which is convenient for positioning the electrical box.

[0048] like Figure 1-Figure 3 and Figure 7-Figure 8 As shown, an automatic welding device for an electrical box of a door panel of an energy storage container provided by the present invention is provided. In this embodiment, the locking assembly includes a mounting groove 87 provided on abutting rod 81, a positioning rack 82 is slidably installed inside the mounting groove 87, a tension spring 88 is connected between the positioning rack 82 and the mounting groove 87, and the iron block is installed inside the positioning rack 82.

[0049] Under the suction force of the bar-shaped electromagnet 84, the suction force overcomes the elastic force of the tension spring 88, and causes the iron block to drive the positioning rack 82 to move in the direction of the limiting rack 83, so that the positioning rack 82 and the limiting rack 83 are engaged with each other, increasing the friction between the abutment rod 81 and the fixing cylinder 85, preventing the compression spring 86 from lifting the electrical box again through the abutment rod 81, thereby facilitating the positioning of the electrical box;

[0050] Place the container door panel 10 on the welding table 1, turn on the power of several bar electromagnets 84, then place the electrical box in the corresponding hole on the container door panel 10, and squeeze the electrical box downward. At this time, the electrical box will drive the positioning rack 82 to descend through the abutment rod 81. Since the limit rack 83 is fixed, when the positioning rack 82 encounters the raised position on the limit rack 83, under the action of the bevel teeth on the positioning rack 82, the positioning rack 82 will retract into the installation groove 87 without affecting the downward movement of the abutment rod 81. After passing the raised position on the limit rack 83, under the suction of the bar electromagnet 84, the positioning rack 82 will be engaged with the limit rack 83 until the abutment rod 81 stops moving. Then the electrical box can be stopped at a suitable position. Finally, the four-degree-of-freedom welding mechanism 3 can be used to automatically weld the electrical box to the container door panel 10.

[0051] like Figure 1 , Figure 3 and Figure 9-12 As shown, an automatic welding device for an electrical box of an energy storage container door panel provided by the present invention is provided. When installing the electrical box, it is necessary to manually press the electrical box to a specified height. However, since the electrical box is at a relatively low height from the surface of the container door panel 10, manual pressing is prone to large deviations. In this embodiment, a pressing mechanism 7 is also installed on the welding table 1. The pressing mechanism 7 includes a slide rail 74 fixedly connected to the welding table 1, a slide seat 73 is slidably installed on the slide rail 74, a rotating column 72 is installed on the sliding seat 73, a swing arm 76 is fixedly connected to the end of the rotating column 72, a sliding mounting block 79 is slidably connected to the swing arm 76, a third telescopic rod 78 is fixedly installed on the sliding mounting block 79, and a pressing plate 711 is fixedly connected to the movable end of the third telescopic rod 78 close to the welding table 1;

[0052] Since the installation positions of the electrical boxes on different container door panels 10 are also different, and the heights of the electrical boxes protruding from the container door panels 10 are also different, it is necessary to make the pressing plate 711 adjustable in position. In order to drive the sliding mounting block 79 to move, the pressing mechanism 7 further includes a first servo motor 71, which is mounted on a swing arm 76, and the output shaft of the first servo motor 71 is fixedly connected to a second screw 77, which is threadedly connected to the sliding mounting block 79;

[0053] In order to drive the sliding seat 73 to move, the pressing mechanism 7 further includes a second servo motor 710 , which is mounted on the slide rail 74 , and the output shaft of the second servo motor 710 is fixedly connected to a first screw rod 75 , which is threadedly connected to the sliding seat 73 .

[0054] The second servo motor 710 can adjust the lateral position of the pressing plate 711 through the first screw 75, and the first servo motor 71 can adjust the longitudinal position of the pressing plate 711 through the second screw 77, so that the pressing plate 711 can be moved above the electrical box to be installed, and then the third telescopic rod 78 drives the pressing plate 711 to descend, and the pressing plate 711 presses the electrical box to descend.

[0055] like Figure 1 , Figure 3 and Figure 9-12 As shown, an automatic welding device for an electrical box of an energy storage container door panel provided by the present invention is provided. In order to prevent the pressing mechanism 7 from affecting the welding of the container door panel 10 by the four-degree-of-freedom welding mechanism 3, in this embodiment, the pressing mechanism 7 also includes a third servo motor 712, and the third servo motor 712 is installed on a sliding seat 73. The rotating column 72 is rotatably installed on the sliding seat 73, and a transmission pair 713 is transmission-connected between the output shaft of the third servo motor 712 and the rotating column 72.

[0056] The third servo motor 712 can drive the rotating column 72 to rotate through the transmission pair 713, and the rotating column 72 drives the swing arm 76 to rotate. The swing arm 76 can be rotated to the side of the container door panel 10 to avoid its influence on the four-degree-of-freedom welding mechanism 3.

[0057] like Figure 1 , Figure 3 and Figure 9-12 As shown, an automatic welding device for an electrical box of a door panel of an energy storage container provided by the present invention. In order to more accurately position the electrical box, in this embodiment, the pressing mechanism 7 also includes a third stepper motor 714 and a positioning column 715. The positioning column 715 is vertically slidably installed on the pressing plate 711, and the third stepper motor 714 is fixedly installed on the top of the pressing plate 711. The output shaft of the third stepper motor 714 is fixedly connected to a third screw, and the third screw is threadedly connected to the positioning column 715.

[0058] Before pressing the electrical box, the third screw is driven to rotate by the third stepper motor 714, and the third screw drives the positioning column 715 to extend out of the pressing plate 711, and controls the distance that the positioning column 715 extends out of the bottom of the pressing plate 711, which is the distance from the top of the electrical box to the surface of the container door panel 10. The pressing plate 711 is driven down by the sliding mounting block 79, and the pressing plate 711 squeezes the electrical box. When the positioning column 715 contacts the surface of the container door panel 10, the pressing plate 711 is blocked and no longer moves. Therefore, the device can accurately locate the position of the electrical box, so that the welding accuracy is higher.

[0059] like Figure 1-Figure 3 and Fig.13As shown, an automatic welding device for an electrical box of an energy storage container door panel provided by the present invention is provided. After welding is completed, since the electrical box will be inserted into the square hole, the staff needs to lift the container door panel 10 to a certain height before removing the container door panel 10 from the welding table 1, which is inconvenient. In order to facilitate unloading, in this embodiment, a loading and unloading assembly 4 is also installed on the base 5. The loading and unloading assembly 4 includes two jacking assemblies, and the two jacking assemblies are respectively installed below the two sides of the container door panel 10. The jacking assembly includes two second telescopic rods 42, and the two second telescopic rods 42 are both installed on the base 5. The movable ends of the two second telescopic rods 42 are installed with the same mounting beam 43, and the top of the mounting beam 43 is installed with a plurality of rotatable guide rollers 41. The welding table 1 is provided with a slot 11 for the guide rollers 41 to pass through;

[0060] In order to make the movement of the mounting beam 43 more stable, the lifting assembly also includes a guide cylinder 45, which is fixedly connected to the base 5. A guide rod 44 is slidably installed on the top of the guide cylinder 45, and the guide rod 44 is fixedly connected to the bottom of the mounting beam 43.

[0061] When loading, the flat container door panel 10 can be directly placed on the welding table 1, and then the electrical box can be installed on the container door panel 10, and welding can begin. After welding is completed, the second telescopic rod 42 drives the mounting beam 43 and the guide roller 41 to rise, and the guide roller 41 passes through the slot 11 and drives the container door panel 10 to rise. When the top of the electrical box is higher than the upper surface of the welding table 1, the staff can extract the container door panel 10, and the guide roller 41 can reduce the friction of the container door panel 10, so that the staff can save effort when extracting the container door panel 10.

[0062] like Figure 1-Figure 6 As shown, an automatic welding device for an electrical box of a door panel of an energy storage container provided by the present invention is provided. In this embodiment, the four-degree-of-freedom welding mechanism 3 includes a truss 32 slidably mounted on the top frame 2, a first mounting frame 37 is slidably mounted on the side of the truss 32, a vertical linear module 38 is fixedly mounted on the first mounting frame 37, a second mounting frame 39 is fixedly mounted on the output end of the vertical linear module 38, and a welding machine 311 is rotatably mounted on the end of the second mounting frame 39 close to the welding table 1;

[0063] In order to drive the truss 32 to move laterally along the welding table 1, the four-degree-of-freedom welding mechanism 3 also includes two first racks 35, and the two first racks 35 are respectively fixedly installed on both sides of the top frame 2. A first stepper motor 36 is fixedly installed on the truss 32, and the output shaft of the first stepper motor 36 is connected to a reducer. The two output shafts of the reducer are fixedly connected to a rotating rod 34, and one end of the two rotating rods 34 is fixedly connected to a first gear 33, and the two first gears 33 are respectively meshed with the two first racks 35;

[0064] In order to drive the first mounting frame 37 to move longitudinally along the welding table 1, a horizontal linear module 31 is fixedly mounted on the truss 32, and the output end of the horizontal linear module 31 is fixedly connected to one end of the first mounting frame 37;

[0065] In order to make the welding machine 311 adjustable in direction, the welding machine 311 needs to be driven to rotate. The four-degree-of-freedom welding mechanism 3 also includes a second stepping motor 310 fixedly mounted on a second mounting frame 39. The output end of the second stepping motor 310 is fixedly connected to a second gear 312. The welding machine 311 is fixedly connected to a third gear 313. The second gear 312 and the third gear 313 are meshed and connected.

[0066] In order to enable the four-degree-of-freedom welding mechanism 3 to automatically weld the container door panel 10, a linear laser sensor (not shown) is also installed on the second mounting frame 39. The device is also provided with a data processing module and a control module. Before welding, the four sides of the electrical box are scanned using the linear laser sensor, and the welding path is calculated with the help of the data processing module. Then, the control module controls the movement of the welding machine 311 according to the path, thereby realizing automatic welding.

[0067] The first stepper motor 36 drives the rotating rod 34 and the first gear 33 to rotate through the reducer, and the first gear 33 rolls on the first rack 35. Under the reaction force, the first stepper motor 36 drives the truss 32 to move horizontally, and the truss 32 drives the welding machine 311 to move horizontally;

[0068] The horizontal linear module 31 drives the first mounting frame 37 and the vertical linear module 38 to move longitudinally, and the vertical linear module 38 drives the second mounting frame 39 and the welding machine 311 to move longitudinally;

[0069] The vertical linear module 38 drives the second mounting frame 39 to move up and down, and the second mounting frame 39 drives the welding machine 311 to move up and down;

[0070] The second stepper motor 310 drives the second gear 312 to rotate, the second gear 312 drives the third gear 313 to rotate, and the third gear 313 drives the welding machine 311 to rotate, so that the welding angle of the welding machine 311 can be adjusted;

[0071] Thereby, four-degree-of-freedom welding of the welding machine 311 is achieved.

[0072] like Figure 1-Figure 3 and Fig. 9 As shown, an automatic welding device for an electrical box of an energy storage container door panel provided by the present invention is provided. In order to realize continuous and rapid welding of container door panels 10 of the same type, in this embodiment, a plurality of material guide pads 9 and a plurality of positioning pads 12 are fixedly connected to the upper surface of the welding table 1, and a plurality of the material guide pads 9 are equidistantly distributed on one side of two adjacent sides of the square hole, and a plurality of the positioning pads 12 are equidistantly distributed on one side of the other two adjacent sides of the square hole, and the material guide pads 9 and the positioning pads 12 are correspondingly arranged, the material guide pads 9 are "I"-shaped, and the positioning pads 12 are "L"-shaped. A plurality of first telescopic rods 6 are also fixedly installed on the welding table 1, and the plurality of the first telescopic rods 6 are distributed on the side surfaces of the two sides of the square hole opposite to the positioning pads 12, and a push plate is arranged at the movable end of the first telescopic rod 6.

[0073] Directions:

[0074] When loading, the second telescopic rod 42 is used to drive the mounting beam 43 and the guide roller 41 to rise, and the guide roller 41 passes through the slot 11, and the top of the guide roller 41 is higher than the top of the first telescopic rod 6. Then the staff puts the container door panel 10 between the multiple guide rollers 41, and then the second telescopic rod 42 drives the container door panel 10 to descend, so that the container door panel 10 falls on the guide pad 9 and the positioning pad 12, and the first telescopic rod 6 is started. The first telescopic rod 6 pushes the container door panel 10 through the push plate, and makes the adjacent two sides of the container door panel 10 contact with the side of the positioning pad 12, so as to complete the positioning of the container door panel 10;

[0075] Cut off the power supply of all the bar-shaped electromagnets 84, the tension spring 88 will pull the positioning rack 82 back into the installation groove 87, under the action of the compression spring 86, the abutment rod 81 rises, and its top is flush with the surface of the welding table 1, and then turn on the power supply of all the bar-shaped electromagnets 84, the bar-shaped electromagnets 84 generate magnetic force, and attract the iron block in the positioning rack 82, and the iron block drives the positioning rack 82 to engage with the limit rack 83;

[0076] Then, the electrical box is placed in the corresponding hole on the container door panel 10, and the third servo motor 712 drives the rotating column 72 to rotate 90 degrees through the transmission pair 713, and the swing arm 76 is rotated to the top of the container door panel 10. Then, the second servo motor 710 drives the sliding seat 73 to move through the first screw 75, so that the swing arm 76 moves to the top of the electrical box. The first servo motor 71 drives the sliding mounting block 79 to move through the second screw 77, and the sliding mounting block 79 drives the third telescopic rod 78 and the pressing plate 711 to move to the top of the electrical box. First, the positioning column 715 is driven by the third stepping motor 714 to produce the pressing plate 711, and the electrical box is set to protrude. The height of the surface of the container door panel 10 is then increased by the third telescopic rod 78, and the pressing plate 711 is driven down by the third telescopic rod 78, and the pressing plate 711 squeezes the electrical box, and the electrical box squeezes the abutment rod 81. After the pressing plate 711 is blocked by the positioning column 715, the electrical box reaches its installation position, and then under the action of the limiting rack 83, the positioning rack 82 and the abutment rod 81 are locked in place, so that the electrical box is fixed. Through the above method, other electrical boxes can be installed on the container door panel 10. After the electrical boxes are installed, the swing arm 76 is rotated to the side of the container door panel 10 to prevent it from affecting the welding of the container door panel 10 by the four-degree-of-freedom welding mechanism 3;

[0077] Then, the four-degree-of-freedom welding mechanism 3 can be used to weld the electrical box to the container door panel 10. During welding, the welding path of the electrical box can be first scanned by a linear laser sensor, and then the motion path of the welding machine 311 can be controlled by a control module to achieve automatic welding.

[0078] After welding is completed, the second telescopic rod 42 drives the guide roller 41 to rise through the mounting beam 43, and the guide roller 41 drives the container door panel 10 to rise, so that the bottom of the electrical box is higher than the top of the positioning pad 12, and then the container door panel 10 can be pulled out.

[0079] When welding the container door panels 10 of the same model, there is no need to repeatedly position the electrical box. After placing the container door panel 10 on the guide pad 9, the electrical box can be directly placed in the corresponding hole on the container door panel 10, and the abutment rod 81 will support the electrical box in the corresponding position.

[0080] When welding container door panels 10 of different models, the power supply of all bar electromagnets 84 can be cut off at the same time to reset the self-locking positioning assembly 8, and then reposition it according to the position and height of the electrical box on the container door panel 10.

[0081] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

[0082] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An automatic welding device for an electrical box of a door panel of an energy storage container, comprising a welding table, characterized in that: A square hole is opened in the middle of the welding platform, a top frame is fixedly installed on the top of the welding platform, a four-degree-of-freedom welding mechanism is installed on the top frame, and the four-degree-of-freedom welding mechanism is used to weld the electrical box to the container door panel; A base is provided below the welding table, and a plurality of self-locking positioning components are installed on the base. The plurality of self-locking positioning components are distributed in a rectangular array, and the output ends of the plurality of self-locking positioning components all pass through the square holes and are flush with the upper surface of the welding table. The plurality of self-locking positioning components are used to support the electrical box and perform self-locking auxiliary positioning on the electrical box; The self-locking positioning assembly comprises a fixed cylinder fixedly mounted on the base, an abutment rod is slidably mounted on the top of the fixed cylinder, a compression spring is connected between the abutment rod and the fixed cylinder, a limited rack is fixedly connected inside the fixed cylinder, a plurality of engaging assemblies are mounted on the abutment rod, a bar-shaped electromagnet is also mounted inside the fixed cylinder, the bar-shaped electromagnet is located on the side of the limited rack away from the engaging assembly, an iron block is arranged inside the output end of the engaging assembly, and after the bar-shaped electromagnet is energized, the output end of the engaging assembly is engaged with the limited rack; The clamping assembly comprises a mounting groove provided on the abutment rod, a positioning rack is slidably mounted inside the mounting groove, a tension spring is connected between the positioning rack and the mounting groove, and the iron block is mounted inside the positioning rack; The welding table is also equipped with a pressing mechanism, which includes a slide rail fixedly connected to the welding table, a sliding seat slidably installed on the slide rail, a rotating column installed on the sliding seat, a swing arm fixedly connected to the end of the rotating column, a sliding mounting block slidably connected to the swing arm, a third telescopic rod fixedly installed on the sliding mounting block, and a pressing plate fixedly connected to the movable end of the third telescopic rod close to the welding table; The pressing mechanism further comprises a first servo motor, the first servo motor is mounted on the swing arm, the output shaft of the first servo motor is fixedly connected to a second screw, and the second screw is threadedly connected to the sliding mounting block; The pressing mechanism further includes a second servo motor, the second servo motor is mounted on the slide rail, the output shaft of the second servo motor is fixedly connected to a first screw, and the first screw is threadedly connected to the sliding seat; The pressing mechanism also includes a third stepper motor and a positioning column, the positioning column is vertically slidably installed on the pressing plate, the third stepper motor is fixedly installed on the top of the pressing plate, the output shaft of the third stepper motor is fixedly connected to a third screw, and the third screw is threadedly connected to the positioning column.

2. The automatic welding device for the electrical box of the door panel of the energy storage container according to claim 1 is characterized in that: The pressing mechanism further comprises a third servo motor, the third servo motor is mounted on the sliding seat, the rotating column is rotatably mounted on the sliding seat, and a transmission pair is transmission-connected between the output shaft of the third servo motor and the rotating column.

3. The automatic welding device for the electrical box of the door panel of the energy storage container according to claim 1 is characterized in that: The base is also provided with a loading and unloading assembly, the loading and unloading assembly includes two jacking assemblies, the two jacking assemblies are respectively installed below the two sides of the container door panel, the jacking assembly includes two second telescopic rods, the two second telescopic rods are both installed on the base, the movable ends of the two second telescopic rods are installed with the same mounting beam, the top of the mounting beam is provided with a plurality of rotatable guide rollers, and the welding table is provided with slots for the guide rollers to pass through; The lifting assembly also includes a guide cylinder, which is fixedly connected to the base. A guide rod is slidably mounted on the top of the guide cylinder, and the guide rod is fixedly connected to the bottom of the mounting beam.

4. The automatic welding device for the electrical box of the door panel of the energy storage container according to claim 1 is characterized in that: The four-degree-of-freedom welding mechanism comprises a truss slidably mounted on a top frame, a first mounting frame is slidably mounted on a side of the truss, a vertical linear module is fixedly mounted on the first mounting frame, a second mounting frame is fixedly mounted on an output end of the vertical linear module, and a welding machine is rotatably mounted on the end of the second mounting frame close to the welding table; The four-degree-of-freedom welding mechanism also includes two first racks, which are fixedly mounted on both sides of the top frame, respectively. A first stepper motor is fixedly mounted on the truss, and the output shaft of the first stepper motor is connected to a reducer. The two output shafts of the reducer are fixedly connected to a rotating rod, and one end of the two rotating rods is fixedly connected to a first gear, and the two first gears are respectively meshed with the two first racks; A horizontal linear module is fixedly mounted on the truss, and an output end of the horizontal linear module is fixedly connected to one end of the first mounting frame; The four-degree-of-freedom welding mechanism also includes a second stepper motor fixedly mounted on a second mounting frame, an output end of the second stepper motor is fixedly connected to a second gear, a third gear is fixedly connected to the welding machine, and the second gear is meshed with the third gear; A linear laser sensor is also installed on the second mounting frame, and a data processing module and a control module are also provided on the device.

5. The automatic welding device for the electrical box of the door panel of the energy storage container according to claim 1 is characterized in that: A plurality of material guide pads and a plurality of positioning pads are fixedly connected to the upper surface of the welding table, and the plurality of material guide pads are equidistantly distributed on one side of two adjacent sides of the square hole, and the plurality of positioning pads are equidistantly distributed on one side of the other two adjacent sides of the square hole, and the material guide pads and the positioning pads are correspondingly arranged, the material guide pads are in an "I" shape, and the positioning pads are in an "L" shape. A plurality of first telescopic rods are also fixedly installed on the welding table, and the plurality of first telescopic rods are distributed on the side surfaces of the two sides of the square hole opposite to the positioning pads, and a push plate is arranged at the movable end of the first telescopic rod.

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