A metal container welding device

Abstract

The application provides a metal container welding device, which comprises a rack, a welding platform arranged on the rack, and a laser welder arranged on one side of the welding platform. A step groove is arranged on the fixing base, and a conical block is arranged on the upper side of the fixing base. The conical block can be inserted into the container mouth to align and limit the container mouth. In use, the container mouth is only needed to be placed on the welding groove of the container body, and then the bottom of the container body is placed in alignment with the step groove. Then, the workpiece fixing frame is moved by the lifting mechanism, and the container body and the container mouth are fixed under the cooperation of the fixing base and the limiting block. The point welding pre-fixing and other clamping fixing devices are not needed. Then, the laser welder is aligned with the welding point. The workpiece fixing frame is rotated based on the second driving motor, and the welding of the container is completed. Finally, the workpiece fixing frame is lowered by the lifting mechanism, and the workpiece is disassembled. The welding processing efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of container processing technology, and in particular to a metal container welding apparatus. Background Technology

[0002] The processing of metal containers such as barrels and bottles typically involves welding a threaded container opening to the top of a hollow cylindrical metal sheet and then welding a metal bottom cover to the bottom.

[0003] In the existing technology, in order to ensure welding stability, the container opening needs to be pre-fixed by manual spot welding before being transferred to a special welding station for welding. Before welding, the container needs to be clamped and fixed to prevent deviation of the welding point. When batch welding of metal containers is required, the spot welding of the containers, as well as the frequent fixing and disassembly, takes up most of the processing time, which greatly affects the welding processing efficiency. Summary of the Invention

[0004] In view of the shortcomings of the prior art, the purpose of this invention is to provide a metal container welding device, which aims to solve the technical problem of low welding efficiency in the prior art.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solution: a metal container welding device, comprising a frame, a welding platform mounted on the frame, and a laser welder mounted on one side of the welding platform. The welding platform includes a vertical beam mounted on the frame, a lifting mechanism mounted on the vertical beam, and a workpiece fixing frame mounted on the lifting mechanism. The workpiece fixing frame includes a mounting bracket fixed to one side of the lifting mechanism, a first drive motor mounted on one side of the mounting bracket, and a fixing seat rotatably mounted on the mounting bracket via the first drive motor. The fixing seat has a stepped groove on the side near the conical block. The welding platform also includes a limiting block on the top side of the vertical beam. A limiting space for fixing the container body and container opening is formed between the limiting block and the fixing seat. The laser welder is used to weld and fix the container body and container opening. A conical block for limiting the container opening is provided on one side of the limiting block. The conical block is rotatably mounted on the limiting block, and the cone apex of the conical block is located near the fixing seat.

[0006] Compared with the prior art, the beneficial effects of the present invention are as follows: by setting a stepped groove on the fixed seat to limit the hollow shape of the bottom of the container body, and setting a conical block on the upper side of the fixed seat, the conical block can be inserted into the container opening to align and limit it. In use, only manual placement of the container opening on the welding groove of the container body is required, and then the bottom of the container body is aligned with the stepped groove. Then, the lifting mechanism drives the workpiece fixing frame to move. With the cooperation of the fixed seat and the limiting block, the container body and the container opening can be fixed without spot welding pre-fixing or setting other clamping and fixing devices. Then, the laser welder is aligned with the welding point, and the workpiece fixing frame is rotated based on the second drive motor to complete the welding operation of the container. Finally, the workpiece is disassembled by lowering the workpiece fixing frame through the lifting mechanism, which improves the welding processing efficiency.

[0007] According to one aspect of the above technical solution, the fixed seat includes a base rotatably mounted on the mounting frame and a placement seat slidably mounted on the base. A buffer spring is provided between the placement seat and the base. The base is connected to the first drive motor. The stepped groove is formed on the placement seat.

[0008] According to one aspect of the above technical solution, the lifting mechanism includes a lifting bracket fixed on a vertical beam, a screw rod disposed on the lifting bracket, and a second drive motor disposed on the screw rod. A slider is slidably disposed on the lifting bracket, the slider is screwed to the screw rod, and the workpiece fixing frame is fixed on the slider.

[0009] According to one aspect of the above technical solution, a distance sensor is provided on one side of the top of the lifting bracket, and a positioning plate corresponding to the distance sensor is provided on one side of the slider.

[0010] According to one aspect of the above technical solution, the metal container welding device further includes a control mechanism, which includes a controller mounted on the frame, and the controller is connected to the first drive motor, the second drive motor and the distance sensor.

[0011] According to one aspect of the above technical solution, the frame is provided with an adjustment bracket, the laser welder is disposed on the adjustment bracket, the adjustment bracket includes a flange seat fixed on the frame, a lifting rod disposed on the flange seat, and a first adjustment handle disposed on the lifting rod. A clamping frame for fixing the laser welder is provided on one side of the first adjustment handle. The first adjustment handle includes a first adjustment sleeve sleeved on the lifting rod and a first adjustment gear handle rotatably disposed on one side of the first adjustment sleeve. A first opening groove corresponding to the first adjustment gear handle is opened on the first adjustment sleeve, and a first slot engaging with the first adjustment gear handle is provided on the lifting rod.

[0012] According to one aspect of the above technical solution, the adjusting bracket further includes a second adjusting handle fixed to one side of the first adjusting sleeve. The second adjusting handle includes a second adjusting sleeve and a second adjusting gear handle rotatably disposed on one side of the second adjusting sleeve. The adjusting bracket further includes a transverse adjusting rod slidably disposed within the second adjusting sleeve. The second adjusting sleeve has a second opening groove corresponding to the second adjusting gear handle. The transverse adjusting rod has a second slot that meshes with the second adjusting gear handle. The clamping frame is fixed to one side of the transverse adjusting rod.

[0013] According to one aspect of the above technical solution, the adjusting bracket further includes an angle adjusting bracket disposed between the clamping frame and the transverse adjusting rod. The angle adjusting bracket includes a first adjusting seat fixed to one end of the transverse adjusting rod, a first rotating block rotatably disposed on the first adjusting seat, a second adjusting seat vertically disposed on the first rotating block, and a second rotating block rotatably disposed on the second adjusting seat. The clamping frame is hinged to one side of the second rotating block.

[0014] According to one aspect of the above technical solution, the metal container welding device further includes a bottom cover welding mechanism, which includes a workpiece holder, a clamping seat rotatably mounted on the workpiece holder for clamping the container opening, and a third drive motor mounted on one side of the workpiece holder for driving the clamping seat to rotate. Attached Figure Description

[0015] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1 This is a schematic diagram of the structure of a metal container welding device according to an embodiment of the present invention; Figure 2 for Figure 1 Enlarged view of section A in the middle; Figure 3 for Figure 1 Enlarged view of section B; Figure 4 This is a schematic diagram of the structure of the adjustment bracket and the laser welder in one embodiment of the present invention; Figure 5 This is a schematic diagram of the structure of a metal container according to an embodiment of the present invention; Figure 6 This is an exploded view of a metal container according to an embodiment of the present invention; Figure 7 This is a schematic diagram of the bottom cover welding mechanism in one embodiment of the present invention; Explanation of key component symbols in the diagram: Frame 11, vertical beam 21, screw 22, slider 23, second drive motor 24, lifting bracket 25, first drive motor 31, mounting bracket 32, base 33, placement seat 34, step groove 35, buffer spring 36, limit block 41, conical block 42, controller 50, adjusting bracket 60, flange seat 61, lifting rod 62, first adjusting sleeve 63, first adjusting gear handle 64, first slot 65, second adjusting sleeve 66, second adjusting gear handle 67, second slot 68, horizontal adjusting rod 69, first adjusting seat 71, first rotating block 72, second adjusting seat 73, second rotating block 74, clamping frame 75, container body 81, container opening 82, welding part 83, workpiece rack 91, clamping seat 92, third drive motor 93. Detailed Implementation

[0016] To facilitate understanding of the present invention, a more complete description will be given below with reference to the accompanying drawings. Several embodiments of the invention are illustrated in the drawings. However, the invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the invention will be thorough and complete.

[0017] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0019] Please see Figures 1 to 7 The figure shows a metal container welding apparatus according to an embodiment of the present invention, including a frame 11, a welding platform disposed on the frame 11, and a laser welder (not shown) disposed on one side of the welding platform. To facilitate understanding, in this embodiment, the workpiece to be welded is a wine packaging container, which mainly includes a cylindrical container body 81 formed by metal sheets, a bottom cover for surrounding the bottom of the container body 81, a container opening 82 provided on the upper side of the container body 81, and a container cap for sealing the container and threadedly connected to the container opening 82; the top of the container body 81 has a connection opening corresponding to the container opening 82, the bottom is hollow, and the outer side of the container opening 82 has a thread that cooperates with the container cap; A welding portion 83 is provided between the container opening 82 and the container body 81. The welding portion 83 can be a step formed by an inward indentation of the container opening 82 near the container body 81, or a step formed by an inward indentation of the container body 81 near the conical connecting portion. The step is used for limiting and fixing, and welding is performed at the connection to achieve a seal between the container body 81 and the container opening 82. In this embodiment, the welding portion 83 is preferably formed by an upward extension of the connecting opening at the top of the container body 81, corresponding to the inner cavity of the container opening 82.

[0020] The welding platform includes a vertical beam 21 mounted on the frame 11, a lifting mechanism mounted on the vertical beam 21, and a workpiece fixing frame mounted on the lifting mechanism. The workpiece fixing frame includes a mounting bracket 32 ​​fixed to one side of the lifting mechanism, a first drive motor 31 mounted to one side of the mounting bracket 32, and a fixing seat rotatably mounted on the mounting bracket 32 ​​via the first drive motor 31. The fixing seat has a stepped groove 35 on the side near the conical block 42. The stepped groove 35 is formed by the side of the fixing seat body and a frustum extending from the middle of the fixing seat that corresponds to the inner cavity size of the container body 81.

[0021] Preferably, the lifting mechanism includes a lifting bracket 25 fixed to the vertical beam 21, a screw 22 disposed on the lifting bracket 25, and a second drive motor 24 disposed on the screw 22. A slider 23 is slidably disposed on the lifting bracket 25, and the slider 23 is screwed to the screw 22. The workpiece holder is fixed to the slider 23. The lifting mechanism is used to raise the workpiece holder to the side close to the laser welder for welding operations. In use, by starting the second drive motor 24, the screw 22 is driven to rotate, and the slider 23 screwed to the screw 22 moves relative to the lifting bracket 25, thereby moving the workpiece holder. It can be understood that in other embodiments of this application, the lifting mechanism can also be a cylinder or other driving device.

[0022] The welding platform also includes a limiting block 41 located on one side of the top of the vertical beam 21. The limiting block 41 and the fixed seat form a limiting space for fixing the container body 81 and the container opening 82. The laser welder is used to weld and fix the container body 81 and the container opening 82. A conical block 42 is provided on one side of the limiting block 41 for limiting the container opening 82. The conical block 42 is rotatably mounted on the limiting block 41, and the cone apex of the conical block 42 is located close to the fixed seat.

[0023] It should be noted that by setting the aforementioned limiting block 41, during the process of the fixed seat rising to the welding point, the conical block 42 is inserted into the container opening 82 to limit and fix the displacement of the metal container on the z-axis. Combined with the planar displacement limitation of the stepped groove 35, the metal container can be stably fixed without the need for additional clamping devices, thus improving processing efficiency. The setting of the conical block 42 can match the assembly and fixing of container openings 82 of different specifications.

[0024] Preferably, the fixing base includes a base 33 rotatably mounted on the mounting bracket 32 ​​and a placement seat 34 slidably mounted on the base 33. A buffer spring 36 is provided between the placement seat 34 and the base 33. The base 33 is connected to the first drive motor 31, and the stepped groove 35 is formed on the placement seat 34. By providing the buffer spring 36, it is easy to clamp and fix the metal container, preventing workpiece deformation caused by excessive tightness or instability caused by excessive looseness.

[0025] Furthermore, in this embodiment, a distance sensor is provided on one side of the top of the lifting bracket 25, and a positioning plate corresponding to the distance sensor is provided on one side of the slider 23. The metal container welding device also includes a control mechanism, which includes a controller 50 mounted on the frame 11. The controller 50 is connected to the first drive motor 31, the second drive motor 24, and the distance sensor. By setting corresponding threshold parameters through PLC programming, when the distance sensor detects the positioning plate, i.e., when the slider 23 moves to the target position, the first drive motor 31 and the laser welder are automatically started to realize the welding operation of the metal container and achieve automation of the processing operation.

[0026] In addition, in this embodiment, the frame 11 is provided with an adjustment bracket 60, and the laser welder is mounted on the adjustment bracket 60. The adjustment bracket 60 includes a flange seat 61 fixed to the frame 11, a lifting rod 62 mounted on the flange seat 61, and a first adjustment handle mounted on the lifting rod 62. A clamping frame 75 for fixing the laser welder is provided on one side of the first adjustment handle. The first adjustment handle includes a first adjustment sleeve 63 sleeved on the lifting rod 62, and a first adjustment gear handle 64 rotatably mounted on one side of the first adjustment sleeve 63. A first opening groove corresponding to the first adjustment gear handle 64 is provided on the first adjustment sleeve 63, and a first slot 65 engaging with the first adjustment gear handle 64 is provided on the lifting rod 62. The first adjustment handle is used to adjust the longitudinal height of the clamping frame 75.

[0027] The adjusting bracket 60 further includes a second adjusting handle fixed to one side of the first adjusting sleeve 63. The second adjusting handle includes a second adjusting sleeve 66 and a second adjusting gear handle 67 rotatably disposed on one side of the second adjusting sleeve 66. The adjusting bracket 60 also includes a transverse adjusting rod 69 slidably disposed within the second adjusting sleeve 66. The second adjusting sleeve 66 has a second opening groove corresponding to the second adjusting gear handle 67. The transverse adjusting rod 69 has a second retaining groove 68 that meshes with the second adjusting gear handle 67. The clamping frame 75 is fixed to one side of the transverse adjusting rod 69. The second adjusting handle is used to adjust the transverse feed of the clamping frame 75.

[0028] The adjusting bracket 60 further includes an angle adjusting bracket disposed between the clamping frame 75 and the transverse adjusting rod 69. The angle adjusting bracket includes a first adjusting seat 71 fixed to one end of the transverse adjusting rod 69, a first rotating block 72 rotatably disposed on the first adjusting seat 71, a second adjusting seat 73 vertically disposed on the first rotating block 72, and a second rotating block 74 rotatably disposed on the second adjusting seat 73. The clamping frame 75 is hinged to one side of the second rotating block 74. The angle adjusting bracket is used to adjust the welding angle between the laser welder and the metal container.

[0029] Furthermore, in other embodiments of this application, the aforementioned metal container welding apparatus further includes a bottom cover welding mechanism. The bottom cover welding mechanism includes a workpiece holder 91, a clamping seat 92 rotatably mounted on the workpiece holder 91 for clamping the container opening 82, and a third drive motor 93 located on one side of the workpiece holder 91 for driving the clamping seat 92 to rotate. After welding the container body 81 and the container opening 82, the bottom cover is pre-fixed to the bottom of the container body 81 by spot welding. Then, the clamping seat 92 is used to fix one side of the container opening 82. After moving to the welding point, it rotates in conjunction with the third drive motor 93 to complete the metal container welding operation.

[0030] In summary, the metal container welding device of the above embodiments of the present invention, by setting a stepped groove 35 on the fixed seat to limit the hollow shape of the bottom of the container body 81, and setting a conical block 42 on the upper side of the fixed seat, the conical block 42 can be inserted into the container opening 82 to align and limit it. In use, only manual placement of the container opening 82 on the welding groove of the container body 81 is required, and then the bottom of the container body 81 is aligned with the stepped groove 35. Then, the lifting mechanism drives the workpiece fixing frame to move. With the cooperation of the fixed seat and the limiting block 41, the container body 81 and the container opening 82 can be fixed without spot welding pre-fixing or setting other clamping and fixing devices. Then, the laser welder is aligned with the welding point, and the workpiece fixing frame is rotated based on the second drive motor 24 to complete the welding operation of the container. Finally, the workpiece is disassembled by lowering the workpiece fixing frame by the lifting mechanism, which improves the welding processing efficiency.

[0031] In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0032] The embodiments described above are merely illustrative of several implementations of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the protection scope of the present invention. Therefore, the protection scope of this patent should be determined by the appended claims.

Claims

1. A metal container welding apparatus, characterized in that, The device includes a frame, a welding platform mounted on the frame, and a laser welder mounted on one side of the welding platform. The welding platform includes a vertical beam mounted on the frame, a lifting mechanism mounted on the vertical beam, and a workpiece fixing frame mounted on the lifting mechanism. The workpiece fixing frame includes a mounting bracket fixed to one side of the lifting mechanism, a first drive motor mounted on one side of the mounting bracket, and a fixing seat rotatably mounted on the mounting bracket via the first drive motor. The welding platform also includes a limiting block mounted on one side of the top of the vertical beam. A limiting space for fixing a container body and a container opening is formed between the limiting block and the fixing seat. The laser welder is used to weld and fix the container body and the container opening. A conical block for limiting the container opening is provided on one side of the limiting block. A stepped groove is provided on the side of the fixing seat near the conical block. The conical block is rotatably mounted on the limiting block, and the cone apex of the conical block is located near the fixing seat. The fixed base includes a base that is rotatably mounted on the mounting frame and a placement seat that is slidably mounted on the base. A buffer spring is provided between the placement seat and the base. The base is connected to the first drive motor. The stepped groove is formed on the placement seat. The stepped groove is formed by the side of the placement seat and a frustum extending from the middle of the placement seat that corresponds to the size of the inner cavity of the container. The lifting mechanism is used to move the workpiece fixing frame toward the limiting block, so that the hollow bottom of the container body is limited in the stepped groove, the conical block is inserted into the container opening, and the fixing seat cooperates with the limiting block to fix the container body and the container opening; when the fixing seat cooperates with the limiting block to fix the container body and the container opening, the placement seat slides relative to the base and compresses the buffer spring; the first drive motor is used to drive the fixing seat to rotate after the container body and the container opening are fixed, the conical block can rotate with the container opening relative to the limiting block, and the laser welder is used to weld and fix the container body and the container opening that rotate with the fixing seat.

2. The metal container welding apparatus according to claim 1, characterized in that, The lifting mechanism includes a lifting bracket fixed on a vertical beam, a screw rod on the lifting bracket, and a second drive motor on the screw rod. A slider is slidably provided on the lifting bracket, and the slider is screwed to the screw rod. The workpiece fixing frame is fixed on the slider.

3. The metal container welding apparatus according to claim 2, characterized in that, A distance sensor is provided on one side of the top of the lifting bracket, and a positioning plate corresponding to the distance sensor is provided on one side of the slider.

4. The metal container welding apparatus according to claim 3, characterized in that, The metal container welding device further includes a control mechanism, which includes a controller mounted on the frame. The controller is connected to the first drive motor, the second drive motor, and the distance sensor.

5. The metal container welding apparatus according to claim 1, characterized in that, The frame is provided with an adjustment bracket, and the laser welder is mounted on the adjustment bracket. The adjustment bracket includes a flange seat fixed to the frame, a lifting rod mounted on the flange seat, and a first adjustment handle mounted on the lifting rod. A clamping frame for fixing the laser welder is provided on one side of the first adjustment handle. The first adjustment handle includes a first adjustment sleeve sleeved on the lifting rod and a first adjustment gear handle rotatably mounted on one side of the first adjustment sleeve. A first opening groove corresponding to the first adjustment gear handle is provided on the first adjustment sleeve, and a first slot engaging with the first adjustment gear handle is provided on the lifting rod.

6. The metal container welding apparatus according to claim 5, characterized in that, The adjusting bracket further includes a second adjusting handle fixed to one side of the first adjusting sleeve. The second adjusting handle includes a second adjusting sleeve and a second adjusting gear handle rotatably disposed on one side of the second adjusting sleeve. The adjusting bracket further includes a transverse adjusting rod slidably disposed within the second adjusting sleeve. The second adjusting sleeve has a second opening groove corresponding to the second adjusting gear handle. The transverse adjusting rod has a second slot that meshes with the second adjusting gear handle. The clamping bracket is fixed to one side of the transverse adjusting rod.

7. The metal container welding apparatus according to claim 6, characterized in that, The adjustment bracket further includes an angle adjustment bracket disposed between the clamping frame and the transverse adjustment rod. The angle adjustment bracket includes a first adjustment seat fixed to one end of the transverse adjustment rod, a first rotating block rotatably disposed on the first adjustment seat, a second adjustment seat vertically disposed on the first rotating block, and a second rotating block rotatably disposed on the second adjustment seat. The clamping frame is hinged to one side of the second rotating block.

8. The metal container welding apparatus according to claim 1, characterized in that, The metal container welding device further includes a bottom cover welding mechanism, which includes a workpiece holder, a clamping seat rotatably mounted on the workpiece holder for clamping the container opening, and a third drive motor located on one side of the workpiece holder for driving the clamping seat to rotate.

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