Fuel tank partition plate welding positioner and end cover welding tool workstation

Abstract

The utility model discloses an oil tank partition welding positioner and end cover welding tool workstation, which comprises a three-axis gantry, a two-axis positioner, an end cover manual spot welding tool and an end cover automatic welding tool, the two-axis positioner is positioned at the middle position below the three-axis gantry, the end cover automatic welding tool is positioned behind the three-axis gantry, and the end cover manual spot welding tool is positioned below the three-axis gantry. The manual end cover spot welding tool is located on one side of the three-axis gantry, the two-axis position changing machine comprises a position changing machine body and a lifting assembly arranged on the front side of the position changing machine body, and the front side of the position changing machine body is fixedly connected with the lifting assembly through a tipping shaft driving motor. The automatic welding device comprises the spot welding tool for the end cover, the automatic welding tool, the oil tank partition plate welding positioner and the three-axis gantry, the two tools and the positioners can be compatible and meet the welding work of products of various models, the product welding quality and production efficiency are further improved, the working environment of personnel is improved, and the production cost is reduced. And the production cost, the product defects and the reject ratio are reduced.

Description

Technical Field

[0001] This utility model relates to the field of mechanical processing technology, specifically to a fuel tank partition welding positioner and end cap welding fixture workstation. Background Technology

[0002] In the production process, any process that alters the shape, size, position, and properties of the object being produced, transforming it into a finished or semi-finished product, is called the technological process. It is the main part of the production process.

[0003] Existing workstations may lack the full automation capabilities of the workstations mentioned above, especially in the processes of workpiece loading, positioning, clamping, and welding, where a significant amount of manual intervention may still be required. Utility Model Content

[0004] The purpose of this utility model is to provide a fuel tank diaphragm welding positioner and an end cap welding fixture workstation to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a workstation for welding positioner and end cap welding fixture for oil tank partitions, including a three-axis gantry, a two-axis positioner, a manual spot welding fixture for end caps, and an automatic welding fixture for end caps. The two-axis positioner is located in the middle position below the three-axis gantry, the automatic welding fixture for end caps is located behind the three-axis gantry, and the manual spot welding fixture for end caps is located on one side of the three-axis gantry.

[0006] The two-axis positioner includes a positioner body and a lifting assembly disposed on the front side of the positioner body. The front side of the positioner body is fixedly connected to the lifting assembly via a tilting shaft drive motor. The lifting assembly includes a lifting shaft frame. The front side of the lifting shaft frame is slidably connected to a centering clamping mechanism via a mounting slide. A lifting drive motor is fixedly installed on the top of the lifting shaft frame, and a ball screw is fixedly connected to the bottom of the lifting drive motor.

[0007] The centering clamping mechanism includes a clamping seat frame, which is fixedly mounted on the mounting slide. A T-shaped lead screw assembly is movably arranged inside the clamping seat frame. The T-shaped lead screw assembly is fixedly connected to the mounting slide via a threaded seat. Two suction cup fixing plates are symmetrically arranged in the middle of the front side of the T-shaped lead screw assembly. A cylinder clamping mechanism is slidably mounted on both ends of the T-shaped lead screw assembly via a slide rail. A workpiece placement bracket is fixedly mounted on the bottom of the clamping seat frame.

[0008] The manual spot welding fixture for the end cap includes a manual workbench. Columns are fixedly installed at both ends of the top of the manual workbench. A clamping cylinder is fixedly installed on the top of each column. A connecting plate is fixedly connected to the output end of the clamping cylinder through its bottom. Both ends of the connecting plate are slidably connected to the column via slide rails. A positioning component is slidably connected to the bottom of the connecting plate via slide rails. A first positioning cylinder is fixedly installed at the rear end of the top of the manual workbench. Four first internal support cylinders are symmetrically arranged near the middle of the top of the manual workbench. Several first limit rods are also movably arranged on the top of the manual workbench.

[0009] The automatic welding fixture for end caps includes an automatic worktable. A second positioning cylinder is fixedly installed at one end of the top of the automatic worktable. The second positioning cylinder is fixedly connected to a positioning plate through its output end. The bottom of the positioning plate is slidably connected to the automatic worktable through a slide rail. Four second inner support cylinders are symmetrically arranged at the middle position of the top of the automatic worktable. Several second limit rods are movably arranged on the top of the automatic worktable.

[0010] Compared with the prior art, the beneficial effects of this utility model are:

[0011] This utility model includes a spot welding fixture for end caps, an automatic welding fixture, a positioner for welding oil tank partitions, and a three-axis gantry. Both fixtures and the positioner are compatible with and can meet the welding needs of various product models, further improving the quality and efficiency of product welding, improving the working environment for personnel, and reducing production costs, product defects, and defect rates. Attached Figure Description

[0012] Figure 1 This is a three-dimensional schematic diagram of the present invention;

[0013] Figure 2 This is a top view of the present invention;

[0014] Figure 3 This is a front view of the two-axis positioner of this utility model;

[0015] Figure 4 This is a side view of the two-axis positioner of this utility model;

[0016] Figure 5 This is a side sectional view of the two-axis positioner of this utility model;

[0017] Figure 6 This is a top view of the two-axis positioner of this utility model;

[0018] Figure 7 This is a front view of the lifting assembly of this utility model;

[0019] Figure 8 This is a side view of the lifting assembly of this utility model;

[0020] Figure 9 This is a front view of the centering and clamping mechanism of this utility model;

[0021] Figure 10 This is a side view of the centering and clamping mechanism of this utility model;

[0022] Figure 11 This is a front view of the manual spot welding fixture for the end cap of this utility model;

[0023] Figure 12 This is a top view of the manual spot welding fixture for the end cap of this utility model;

[0024] Figure 13 This is a front view of the automatic welding fixture for end caps of this utility model;

[0025] Figure 14 This is a top view of the automatic welding fixture for end caps of this utility model.

[0026] In the diagram: 1. Three-axis gantry; 2. Two-axis positioner; 201. Positioner body; 202. Lifting assembly; 2021. Lifting shaft frame; 2022. Mounting slide; 2023. Lifting drive motor; 2024. Linear slide rail; 2025. Ball screw; 203. Centering clamping mechanism; 2031. Clamping seat frame; 2032. T-screw assembly; 2033. Suction cup fixing plate; 2034. Cylinder clamping mechanism; 204. Workpiece placement bracket; 205. Tilting shaft drive motor; 3. End cover manual spot welder. 301. Manual workbench; 302. Column; 303. Clamping cylinder; 304. Connecting plate; 305. Positioning assembly; 306. First positioning cylinder; 307. First inner support cylinder; 308. First limit rod; 4. Automatic welding fixture for end caps; 401. Automatic workbench; 402. Second positioning cylinder; 403. Second inner support cylinder; 404. Positioning plate; 405. Second limit rod; 11. Gantry column; 12. Gantry X-axis; 13. Gantry Y-axis; 14. Gantry Z-axis; 15. Welding robot. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figure 1-14This utility model provides a technical solution: a workstation for welding positioner and end cap welding fixture for oil tank partitions, including a three-axis gantry 1, a two-axis positioner 2, a manual spot welding fixture for end caps 3, and an automatic welding fixture for end caps 4. The two-axis positioner 2 is located in the middle position below the three-axis gantry 1, the automatic welding fixture for end caps 4 is located behind the three-axis gantry 1, and the manual spot welding fixture for end caps 3 is located on one side of the three-axis gantry 1.

[0029] The two-axis positioner 2 includes a positioner body 201 and a lifting assembly 202 disposed on the front side of the positioner body 201. The front side of the positioner body 201 is fixedly connected to the lifting assembly 202 via a tilting shaft drive motor 205. The lifting assembly 202 includes a lifting shaft frame 2021. The front side of the lifting shaft frame 2021 is slidably connected to a centering clamping mechanism 203 via a mounting slide 2022. A lifting drive motor 2023 is fixedly installed on the top of the lifting shaft frame 2021. A ball screw 2025 is fixedly connected to the bottom of the lifting drive motor 2023. The lifting shaft frame 2021 is locked and fixed on the slewing bearing on the front side of the tilting shaft drive motor 205. The ball screw 2025 is driven by the lifting drive motor 2023, and the linear guide rail 2024 provides auxiliary transmission.

[0030] The centering and clamping mechanism 203 includes a clamping frame 2031, which is fixedly installed on the mounting slide 2022. A T-shaped lead screw assembly 2032 is movably arranged inside the clamping frame 2031. The T-shaped lead screw assembly 2032 is fixedly connected to the mounting slide 2022 through a threaded seat. Two suction cup fixing plates 2033 are symmetrically arranged in the middle of the front side of the T-shaped lead screw assembly 2032. At both ends of the T-shaped lead screw assembly 2032, a cylinder clamping mechanism 2034 is slidably installed through a slide rail. A workpiece placement bracket 204 is fixedly installed at the bottom of the clamping frame 2031. The workpiece is manually hoisted and placed on the workpiece placement bracket 204. The workpiece is initially positioned by the suction cup fixing plates. Then, the cylinder clamping mechanisms 2034 on both sides are moved inward by manually cranking the lead screw. After reaching the appropriate position for the workpiece, the cylinders extend to clamp and fix the workpiece before welding begins.

[0031] The manual spot welding fixture 3 for end caps includes a manual workbench 301. Columns 302 are fixedly installed at both ends of the top of the workbench 301. A clamping cylinder 303 is fixedly installed on the top of each column 302. A connecting plate 304 is fixedly connected to the output end of the clamping cylinder 303 at its bottom. Both ends of the connecting plate 304 are slidably connected to the columns 302 via slide rails. A positioning component 305 is slidably connected to the bottom of the connecting plate 304 via a slide rail. A first positioning cylinder 3 is fixedly installed at the rear end of the top of the workbench 301. 06, and four first inner support cylinders 307 are symmetrically arranged at the middle position of the top of the manual workbench 301. Several first limit rods 308 are also movably arranged on the top of the manual workbench 301. The workpiece is placed on the manual workbench 301 by hand, and is initially positioned by the first limit rods 308. It is then tightened and fixed by the push of the first positioning cylinder 306. The small part is then fixed on the small part positioning component 305 by hand, and the pressing cylinder 303 is pressed down to assemble the small part and the workpiece together. The small part is then spot welded by hand.

[0032] The automatic welding fixture 4 for end caps includes an automatic worktable 401. A second positioning cylinder 402 is fixedly installed at one end of the top of the automatic worktable 401. The second positioning cylinder 402 is fixedly connected to a positioning plate 404 through its output end, and the bottom of the positioning plate 404 is slidably connected to the automatic worktable 401 through a slide rail. Four second inner support cylinders 403 are symmetrically arranged at the middle position of the top of the automatic worktable 401, and several second limit rods 405 are movably arranged on the top of the automatic worktable 401. The workpiece that has been manually spot-welded is placed on the automatic welding fixture, and initial positioning is performed by the second limit rods 405. The second inner support cylinders 403 are adjusted to the appropriate position to support the workpiece, and then clamped and fixed by the second positioning cylinders 402. The workpiece is then automatically welded by a robot.

[0033] The three-axis gantry 1 includes four gantry columns 11. The top two ends of the gantry columns 11 are fixedly installed with gantry X-axis 12. The gantry Y-axis 13 is movably installed between the two gantry X-axis 12. The top of the gantry Y-axis 13 is movably installed with gantry Z-axis 14. The bottom of the gantry Z-axis 14 is fixedly installed with a welding robot 15.

[0034] The bottom of the ball screw 2025 is fixedly connected to the lifting shaft frame 2021 via a bearing. The front side of the ball screw 2025 is threadedly connected to the mounting slide 2022. The rear side of the mounting slide 2022 is slidably connected to the lifting shaft frame 2021 via a linear slide rail 2024.

[0035] There are two workflows: one is welding end caps, and the other is welding fuel tank partitions. For end cap welding, the workpiece is manually loaded and unloaded. The worker first places the end cap workpiece on a spot welding fixture outside the gantry, where they perform spot welding. After spot welding, the workpiece is placed on an automatic welding fixture inside the gantry, where a three-axis gantry-moving welding robot performs automatic full welding. For fuel tank partition welding, the workpiece is manually loaded and unloaded. The worker hoists the workpiece onto a two-axis positioner fixture. The clamping seat on the fixture is manually adjusted to the workpiece position using a hand crank screw. Then, the workpiece is clamped using a cylinder. The worker then exits the welding area, and the three-axis gantry-moving robot performs the welding. Because the welding location is inside the fuel tank, the two-axis positioner needs to adjust the workpiece position to meet the welding requirements.

[0036] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A workstation for welding positioner and end cap welding fixture for fuel tank partitions, comprising a three-axis gantry (1), a two-axis positioner (2), a manual spot welding fixture for end caps (3), and an automatic welding fixture for end caps (4), characterized in that: The two-axis positioner (2) is located in the middle position below the three-axis gantry (1), the automatic end cap welding fixture (4) is located behind the three-axis gantry (1), and the manual end cap spot welding fixture (3) is located on one side of the three-axis gantry (1). The two-axis positioner (2) includes a positioner body (201) and a lifting assembly (202) disposed on the front side of the positioner body (201). The front side of the positioner body (201) is fixedly connected to the lifting assembly (202) via a tilting shaft drive motor (205). The lifting assembly (202) includes a lifting shaft frame (2021). The front side of the lifting shaft frame (2021) is slidably connected to a centering clamping mechanism (203) via a mounting slide (2022). A lifting drive motor (2023) is fixedly installed on the top of the lifting shaft frame (2021), and a ball screw (2025) is fixedly connected to the bottom of the lifting drive motor (2023). The centering clamping mechanism (203) includes a clamping seat frame (2031), which is fixedly installed on the mounting slide (2022). A T-shaped lead screw assembly (2032) is movably arranged inside the clamping seat frame (2031). The T-shaped lead screw assembly (2032) is fixedly connected to the mounting slide (2022) through a threaded seat. Two suction cup fixing plates (2033) are symmetrically arranged in the middle of the front side of the T-shaped lead screw assembly (2032). A cylinder clamping mechanism (2034) is slidably installed on both ends of the T-shaped lead screw assembly (2032) through a slide rail. A workpiece placement bracket (204) is fixedly installed at the bottom of the clamping seat frame (2031). The end cap manual spot welding fixture (3) includes a manual workbench (301), with columns (302) fixedly installed at both ends of the top of the manual workbench (301), and a clamping cylinder (303) fixedly installed at the top of the columns (302). The clamping cylinder (303) is fixedly connected to a connecting plate (304) through its bottom output end. Both ends of the connecting plate (304) are slidably connected to the columns (302) through slide rails, and the bottom of the connecting plate (304) is slidably connected to a positioning component (305) through slide rails. A first positioning cylinder (306) is fixedly installed at the rear end of the top of the manual workbench (301), and four first internal support cylinders (307) are symmetrically arranged at the middle position of the top of the manual workbench (301). Several first limit rods (308) are also movably arranged on the top of the manual workbench (301). The automatic welding fixture (4) for end caps includes an automatic worktable (401). A second positioning cylinder (402) is fixedly installed at one end of the top of the automatic worktable (401). The second positioning cylinder (402) is fixedly connected to a positioning plate (404) through its output end. The bottom of the positioning plate (404) is slidably connected to the automatic worktable (401) through a slide rail. Four second inner support cylinders (403) are symmetrically arranged at the middle position of the top of the automatic worktable (401). Several second limit rods (405) are movably arranged on the top of the automatic worktable (401).

2. The oil tank partition welding positioner and end cover welding fixture workstation according to claim 1, characterized in that: The three-axis gantry (1) includes four gantry columns (11). A gantry X-axis (12) is fixedly installed at both ends of the top of the gantry columns (11). A gantry Y-axis (13) is movably installed between the two gantry X-axis (12). A gantry Z-axis (14) is movably installed at the top of the gantry Y-axis (13). A welding robot (15) is fixedly installed at the bottom of the gantry Z-axis (14).

3. The oil tank partition welding positioner and end cover welding fixture workstation according to claim 1, characterized in that: The bottom of the ball screw (2025) is fixedly connected to the lifting shaft frame (2021) via a bearing. The front side of the ball screw (2025) is threadedly connected to the mounting slide (2022). The rear side of the mounting slide (2022) is slidably connected to the lifting shaft frame (2021) via a linear slide rail (2024).

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