A mechanical hand welding car frame tool

Abstract

The utility model discloses a kind of mechanical hand welding frame tool, including pedestal, the top side of the pedestal is fixedly installed with mechanical hand main body, the movable end of the mechanical hand main body is installed with welding head, the top other side of the pedestal is equipped with fixed platform, the inner chamber bottom of the pedestal is installed with electric sliding table, the slider of the electric sliding table is fixedly provided with mounting bracket, the top of the mounting bracket is fixedly provided with cylinder, the movable end of the cylinder is rotatably provided with connecting column, the top of the connecting column is fixedly connected with fixed platform, and the outer wall of the connecting column is connected with driving assembly. The utility model relates to the technical field of frame welding, and the mechanical hand welding frame tool realizes the multiple control to fixed platform by the independent fixation of fixed platform to frame, so that the welding surface of frame can always face welding head, and the comfortable welding position between frame and welding head is maintained, with certain practicality.

Description

Technical Field

[0001] This utility model relates to the technical field of vehicle frame welding, specifically a robotic arm tooling for welding vehicle frames. Background Technology

[0002] The tram frame mainly consists of the following components: traction seat, front and rear end traction beams, end beams, side beams, center beam, side crossbeams, and center crossbeams. Some models use a welded structure made of aluminum alloy honeycomb extruded profiles, with impact energy dissipation zones at the ends to absorb collision energy. These main components also include several connecting parts, some of which require welding, typically using a robotic arm. Currently, robotic arm welding fixtures mainly consist of a base and a robotic arm body. The robotic arm body and the tram frame are fixed on top of the base, and the robotic arm drives the welding head to weld the frame and components. While this welding method has a high degree of automation, the large size of the tram frame makes it difficult for the robotic arm to perform omnidirectional welding, thus limiting the robotic arm-driven welding head's capabilities. Therefore, we provide a robotic arm welding fixture for the tram frame to address these issues. Utility Model Content

[0003] To address the aforementioned problems, specifically those raised in the background section, this utility model proposes a robotic arm welding frame fixture, comprising a base, a robotic arm body fixedly mounted on one side of the top of the base, a welding head mounted on the movable end of the robotic arm body, a fixed platform on the other side of the top of the base, an electric slide table mounted at the bottom of the inner cavity of the base, a mounting bracket fixedly mounted on the slider of the electric slide table, a cylinder fixedly mounted on the top of the mounting bracket, a connecting column rotatably mounted on the movable end of the cylinder, the top end of the connecting column being fixedly connected to the fixed platform, and a drive assembly connected to the outer wall of the connecting column.

[0004] Preferably, the drive assembly includes a rotating cylinder, which is sleeved on the outer wall of the connecting column. A limiting groove is formed on the outer wall of the connecting column. A limiting strip that fits into the limiting groove is integrally formed in the inner cavity of the rotating cylinder. The limiting strip is snapped into the inside of the limiting groove. An mounting plate is fixedly installed inside the mounting bracket. A motor and a reducer are installed on the side of the mounting plate away from the cylinder. The output end of the motor is fixedly connected to the input end of the reducer. A driving bevel gear is fixedly connected to the output end of the reducer. The shaft end of the driving bevel gear is rotatably disposed inside the mounting plate. The tooth surface of the driving bevel gear meshes with a driven bevel gear. The driven bevel gear is fixedly disposed at the bottom end of the rotating cylinder and sleeved on the outer wall of the connecting column.

[0005] Preferably, the inner cavity of the base is fixedly provided with two sliding rods, which are arranged in parallel, and the outer wall of the rotating cylinder is rotatably provided with a connecting plate, and the two sliding rods move through the interior of the connecting plate.

[0006] The beneficial technical effects of this utility model are as follows: the robotic arm welding frame tooling independently fixes the frame on the fixed platform, and at the same time realizes multiple controls on the fixed platform, so that the welding surface of the frame can always face the welding head, and maintains a comfortable welding position between the frame and the welding head, which has certain practicality. Attached Figure Description

[0007] Figure 1 The front structural cross-sectional view of this utility model is shown.

[0008] Figure 2 A top view of the connecting plate of this utility model is shown.

[0009] Attached figures: 1. Base; 2. Robotic arm body; 3. Fixed platform; 4. Electric slide; 5. Mounting frame; 6. Cylinder; 7. Connecting column; 8. Connecting plate; 9. Rotary drum; 10. Limiting groove; 11. Limiting strip; 12. Mounting plate; 13. Motor; 14. Reducer; 15. Driving bevel gear; 16. Driven bevel gear; 17. Slide rod. Detailed Implementation

[0010] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the present invention and are not intended to limit the scope of protection of the present invention.

[0011] This utility model proposes a robotic arm welding frame fixture, including a base 1, a robotic arm body 2 fixedly mounted on one side of the top of the base 1, a welding head mounted on the movable end of the robotic arm body 2, a fixed platform 3 on the other side of the top of the base 1, an electric slide 4 mounted on the bottom of the inner cavity of the base 1, a mounting frame 5 fixedly mounted on the slider of the electric slide 4, a cylinder 6 fixedly mounted on the top of the mounting frame 5, a connecting column 7 rotatably mounted on the movable end of the cylinder 6, and the top of the connecting column 7 fixedly connected to the fixed platform 3. The operation of the cylinder 6 can drive the fixed platform 3 and the frame on the top to move longitudinally through the connecting column 7, so that the welding head can weld the top and sides of the frame. A drive assembly is connected to the outer wall of the connecting column 7. This robotic arm welding frame fixture independently fixes the frame on the fixed platform 3 and realizes multiple controls on the fixed platform 3, so that the welding surface of the frame can always face the welding head and maintain a comfortable welding position between the frame and the welding head.

[0012] Specifically, the drive assembly includes a rotary drum 9, which is sleeved on the outer wall of the connecting column 7. A limiting groove 10 is formed on the outer wall of the connecting column 7. A limiting strip 11, which fits into the limiting groove 10, is integrally formed inside the rotary drum 9. The limiting strip 11 is snapped into the inside of the limiting groove 10. A mounting plate 12 is fixedly installed inside the mounting bracket 5. A motor 13 and a reducer 14 are mounted on the side of the mounting plate 12 away from the cylinder 6. The output end of the motor 13 is fixedly connected to the input end of the reducer 14. A drive bevel gear 15 is fixedly connected to the output end of the reducer 14. The shaft end of the drive bevel gear 15 is rotatably mounted on the mounting bracket 5. Inside the mounting plate 12, the tooth surface of the driving bevel gear 15 meshes with the driven bevel gear 16. The driven bevel gear 16 is fixedly mounted at the bottom end of the rotating drum 9 and is sleeved on the outer wall of the connecting column 7. The motor 13 can reduce the output speed through the reducer 14, and then the power is transmitted to the driving bevel gear 15 through the reducer 14. The driving bevel gear 15 drives the rotating drum 9 to rotate by meshing with the driven bevel gear 16. At this time, by using the locking of the limiting strip 11 and the limiting groove 10, the connecting column 7 and the fixed platform 3 at the top can be rotated, so that the welding surface on the other side of the frame can face the welding head.

[0013] Specifically, the inner cavity of the base 1 is fixedly provided with two slide rods 17, which are arranged in parallel. The outer wall of the rotating cylinder 9 is rotatably provided with a connecting plate 8. The two slide rods 17 move through the interior of the connecting plate 8. This design stabilizes the position of the rotating cylinder 9, allowing the rotating cylinder 9 to maintain its height and output rotational power to the connecting column 7.

[0014] For those skilled in the art, all electrical components and parts in this case are general standard parts or parts known to those skilled in the art. Their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods. All models are compatible with this solution and can operate normally. All electrical components in this case are connected to their compatible power supplies through wires. According to the actual situation, a suitable controller is selected to meet the control requirements. The specific connection and control sequence should refer to the working principle below, and the electrical connection is completed by the sequential operation of each electrical component. The detailed connection method is a well-known technology in the art, and the electrical control will not be described further.

[0015] Working principle: When using this robotic arm to weld the frame fixture, the operator can fix the frame body to the fixed platform 3 by bolting or other means. Then, the electric slide 4 is activated to move the fixed platform 3 and the frame closer to the robotic arm body 2, so that the welding head on the frame and the robotic arm body 2 are in a suitable position. Then, the parts to be welded are fixed and welded using the welding head. Due to the large size of the frame, when welding the lower part of the frame is required, the cylinder 6 can be activated to move the fixed platform 3 and the frame upward through the connecting column 7, so that the welding head is still in a comfortable welding position. When welding the other side of the frame is required... During welding, the motor 13 can be started. The output speed of the motor 13 can be reduced by the reducer 14. Then the power is transmitted to the active bevel gear 15 through the reducer 14. The active bevel gear 15 drives the rotating drum 9 to rotate by meshing with the driven bevel gear 16. At this time, the connecting column 7 and the fixed platform 3 on the top can be rotated by the locking of the limiting strip 11 and the limiting groove 10. In turn, the frame rotates and the surface to be welded faces the welding head, so that the robot body 2 and the welding head can perform all-round welding on the frame, which to a certain extent improves the welding range of the robot body 2 driving the welding head.

[0016] Although the present invention has been described with reference to preferred embodiments, various modifications can be made to it and components can be replaced with equivalents without departing from the scope of the present invention. In particular, the technical features mentioned in the various embodiments can be combined in any manner as long as there is no structural conflict. The present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

[0017] In the description of this utility model, terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," which indicate direction or positional relationships, are based on the direction or positional relationships shown in the accompanying drawings. These are used merely for ease of description and do not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0018] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0019] The term "comprising" or any other similar term is intended to cover non-exclusive inclusion, such that a process, article, or apparatus / device that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to those processes, articles, or apparatus / devices.

[0020] The technical solution of this utility model has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the protection scope of this utility model is obviously not limited to these specific embodiments. Without departing from the principle of this utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of this utility model.

Claims

1. A robotic arm welding frame fixture, characterized in that: Includes a base (1), on one side of the top of the base (1) a robot body (2) is fixedly installed, a welding head is installed on the movable end of the robot body (2), a fixed platform (3) is provided on the other side of the top of the base (1), an electric slide (4) is installed at the bottom of the inner cavity of the base (1), a mounting frame (5) is fixedly installed on the slider of the electric slide (4), a cylinder (6) is fixedly installed on the top of the mounting frame (5), a connecting column (7) is rotatably installed on the movable end of the cylinder (6), the top of the connecting column (7) is fixedly connected to the fixed platform (3), and a drive assembly is connected to the outer wall of the connecting column (7). The drive assembly includes a rotary cylinder (9), which is sleeved on the outer wall of the connecting column (7). A limiting groove (10) is formed on the outer wall of the connecting column (7). A limiting strip (11) that fits into the limiting groove (10) is integrally formed in the inner cavity of the rotary cylinder (9). The limiting strip (11) is snapped into the inside of the limiting groove (10). An mounting plate (12) is fixedly installed inside the mounting bracket (5). A motor (13) and a reducer (14) are installed on the side of the mounting plate (12) away from the cylinder (6). 4) The output end of the motor (13) is fixedly connected to the input end of the reducer (14). The output end of the reducer (14) is fixedly connected to the active bevel gear (15). The shaft end of the active bevel gear (15) is rotatably disposed inside the mounting plate (12). The tooth surface of the active bevel gear (15) meshes with the driven bevel gear (16). The driven bevel gear (16) is fixedly disposed at the bottom end of the rotating drum (9), and the driven bevel gear (16) is sleeved on the outer wall of the connecting column (7).

2. The robotic arm welding frame fixture according to claim 1, characterized in that: The inner cavity of the base (1) is fixedly provided with two slide rods (17), which are arranged in parallel. The outer wall of the rotating cylinder (9) is rotatably provided with a connecting plate (8), and the two slide rods (17) move through the interior of the connecting plate (8).

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