Rotating mechanism for welding robot

Abstract

The rotating mechanism for the welding robot comprises a base, a fixed seat and a driven shaft, the fixed seat is installed at the top end of the base, a driving shaft is installed in the fixed seat through a bearing, a moving groove is formed in the inner wall of the base, a fixed frame is arranged in the moving groove, and the driven shaft is installed in the fixed frame. A driven shaft is installed in the fixing frame through a bearing, a clamping frame is installed on the side wall of the clamping frame and the side wall of the driving shaft, a machining plate is arranged in the clamping frame, a groove is formed in the inner wall of the machining plate, and a limiting mechanism for fixing the position of the machining plate is arranged in the clamping frame. The device is provided with a second motor for driving a lead screw to rotate, so that the lead screw drives the fixing frame to move front and back in a sliding rail, the distance between the clamping frames is further clamped, and the machining plates can be conveniently disassembled and the machining plates of different sizes can be conveniently installed and fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of welding rotation, in particular to a rotation mechanism for a welding robot. Background Art

[0002] Welding robots are currently widely used in the automotive manufacturing industry, such as welding of automobile chassis, seat frames, guide rails, mufflers, and torque converters. They are especially widely used in the welding production of automobile chassis. By using different fixtures in the same workstation, automatic welding of multiple types of shafts can be achieved. The current position accuracy of welding is very high. Due to the use of a double-station positioner, workpieces can be disassembled and assembled at other stations while welding, which greatly improves efficiency.

[0003] However, the existing rotating mechanism for welding robots has the following problems during use: when the traditional welding robot is used for processing, the welding structure is single, so that the workpiece cannot be turned over during processing. In addition, the processing angle is inconvenient to adjust, and the practicality is not high. Utility Model Content

[0004] The purpose of the utility model is to provide a rotating mechanism for a welding robot to solve the related problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotating mechanism for a welding robot, comprising a base, a fixed seat and a driven shaft, the top of the base is equipped with a fixed seat, and the interior of the fixed seat is equipped with a driving shaft through a bearing, the inner wall of the base is provided with a moving groove, and the interior of the moving groove is provided with a slide rail, the interior of the slide rail is provided with a fixed frame, and the interior of the fixed frame is equipped with a driven shaft through a bearing, the outer wall of the driven shaft is provided with a clamping frame, the clamping frame and the side wall of the driving shaft are provided with a clamping frame, and the interior of the clamping frame is provided with a processing plate, the inner wall of the processing plate is provided with a groove, the interior of the clamping frame is provided with a limiting mechanism for fixing the position of the processing plate, and the interior of the moving groove is provided with a shifting mechanism for transmitting the position of the fixed frame;

[0006] The limiting mechanism includes a movable groove and a pull rod. The clamping frame is provided with a movable groove inside, and a pull rod penetrating the clamping frame is installed inside the movable groove. A pull plate is installed on the top of the pull rod. The outer wall of the pull rod penetrates the inside of the groove. A spring is sleeved on the outer wall of the pull rod, and the bottom end of the spring is connected to the pull rod.

[0007] The shifting mechanism includes a second motor and a screw rod. The second motor is arranged on one side of the base, and a screw rod penetrating the fixing frame is installed at the output end of the second motor through a coupling. The outer wall of the screw rod is meshed with the inner wall of the fixing frame.

[0008] The technical solution provides a rotating mechanism for a welding robot, wherein a first motor is arranged on one side of the fixing seat, and an output end of the first motor is connected to one end of a driving shaft through a coupling.

[0009] The technical solution provides a rotating mechanism for a welding robot, wherein the inner wall of the fixing seat is provided with a ball, and the outer wall of the ball fits with the outer wall of the clamping frame.

[0010] Compared with the prior art, the utility model provides a rotating mechanism for a welding robot, which has the following beneficial effects:

[0011] 1. The utility model starts the second motor to drive the screw to rotate, so that the screw drives the fixed frame to move forward and backward in the slide rail, thereby clamping the distance between the frames, which is convenient for removing the processing plate and installing and fixing processing plates of different sizes.

[0012] 2. The utility model starts the first motor to drive the driving shaft to rotate, so that the driving shaft drives the processing plate to flip its position, so that the processing plate is flipped to the back side, which makes it more practical and convenient for the welding robot to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0014] Figure 2 For the utility model Figure 1 A schematic diagram of the enlarged structure at point A;

[0015] Figure 3 For the utility model Figure 1 Schematic diagram of the top view cross-sectional structure.

[0016] In the figure: 1. base; 2. fixed seat; 3. driving shaft; 4. first motor; 5. driven shaft; 6. clamping frame; 7. processing plate; 8. pull plate; 9. ball bearing; 10. movable groove; 11. groove; 12. pull rod; 13. spring; 14. movable groove; 15. slide rail; 16. second motor; 17. screw rod; 18. fixed frame. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Embodiment 1, as Figure 1-2As shown, the utility model provides a technical solution: a rotating mechanism for a welding robot, comprising a base 1, a fixed seat 2 and a driven shaft 5, the top of the base 1 is equipped with a fixed seat 2, and the interior of the fixed seat 2 is equipped with a driving shaft 3 through a bearing, the inner wall of the base 1 is provided with a moving groove 14, and the interior of the moving groove 14 is provided with a slide rail 15, and the interior of the slide rail 15 is provided with a fixed frame 18, the interior of the fixed frame 18 is equipped with a driven shaft 5 through a bearing, the outer wall of the driven shaft 5 is equipped with a clamping frame 6, and the clamping frame 6 and the side wall of the driving shaft 3 are equipped with a clamping frame 6, the interior of the clamping frame 6 is provided with a processing plate 7, and the inner wall of the processing plate 7 is provided with a groove 11, and the interior of the clamping frame 6 is provided with a limiting mechanism for fixing the position of the processing plate 7, the fixed seat 2 A first motor 4 is provided on one side, and the output end of the first motor 4 is connected to one end of the driving shaft 3 through a coupling. A ball 9 is provided on the inner wall of the fixed seat 2, and the outer wall of the ball 9 fits with the outer wall of the clamping frame 6. The limiting mechanism includes a movable groove 10 and a pull rod 12. A movable groove 10 is provided inside the clamping frame 6, and a pull rod 12 penetrating the clamping frame 6 is installed inside the movable groove 10. A pull plate 8 is installed on the top of the pull rod 12. The outer wall of the pull rod 12 penetrates the inside of the groove 11. A spring 13 is sleeved on the outer wall of the pull rod 12, and the bottom end of the spring 13 is connected to the pull rod 12. The pull rod 12 is separated from the groove 11 by pulling the pull rod 12, so that the pull rod 12 squeezes the spring 13, and the processing plate 7 is separated from the clamping frame 6 for easy removal.

[0019] Embodiment 2, as Figure 1-3 As shown, the utility model provides a technical solution: a rotating mechanism for a welding robot, including a shifting mechanism for transmitting the position of a fixed frame 18 arranged inside a moving groove 14, the shifting mechanism including a second motor 16 and a screw rod 17, a second motor 16 is arranged on one side of the base 1, and a screw rod 17 penetrating the fixed frame 18 is installed at the output end of the second motor 16 through a coupling, the outer wall of the screw rod 17 is meshed with the inner wall of the fixed frame 18, and the screw rod 17 is driven to rotate by starting the second motor 16, so that the screw rod 17 drives the fixed frame 18 to move forward and backward in the slide rail 15, thereby adjusting the spacing between the clamping frames 6, so as to facilitate the removal of the processing plate 7 and the installation and fixation of processing plates 7 of different sizes.

[0020] Working principle: first, turn on the external power supply, pull the pull rod 12 to separate from the groove 11, so that the pull rod 12 squeezes the spring 13, and the processing plate 7 is inserted into the clamping frame 6. Then, start the second motor 16 to drive the screw rod 17 to rotate, so that the screw rod 17 drives the fixing frame 18 to move forward and backward in the slide rail 15, and then the distance between the clamping frames 6 is convenient for removing the processing plate 7 and installing and fixing processing plates 7 of different sizes, and start the first motor 4 to drive the driving shaft 3 to rotate, so that the driving shaft 3 drives the processing plate 7 to flip its position, which is convenient for the operation of the welding robot.

[0021] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A rotating mechanism for a welding robot, comprising a base (1), a fixing base (2) and a driven shaft (5), characterized in that: A fixed seat (2) is installed at the top of the base (1), and a driving shaft (3) is installed inside the fixed seat (2) via a bearing. A movable groove (14) is provided on the inner wall of the base (1), and a slide rail (15) is provided inside the movable groove (14). A fixed frame (18) is provided inside the slide rail (15), and a driven shaft (5) is installed inside the fixed frame (18) via a bearing. A clamping frame (6) is installed on the outer wall of the driven shaft (5). The clamping frame (6) and the side wall of the driving shaft (3) are installed on the clamping frame (6), and a processing plate (7) is provided inside the clamping frame (6). A groove (11) is provided on the inner wall of the processing plate (7). A limiting mechanism for fixing the position of the processing plate (7) is provided inside the clamping frame (6), and a shifting mechanism for transmitting the position of the fixed frame (18) is provided inside the movable groove (14). The limiting mechanism comprises a movable groove (10) and a pull rod (12); the movable groove (10) is provided inside the clamping frame (6), and the pull rod (12) penetrating the clamping frame (6) is installed inside the movable groove (10); a pull plate (8) is installed at the top end of the pull rod (12); the outer wall of the pull rod (12) penetrates the inside of the groove (11); the outer wall of the pull rod (12) is sleeved with a spring (13), and the bottom end of the spring (13) is connected to the pull rod (12); The shift mechanism comprises a second motor (16) and a screw rod (17); the second motor (16) is arranged on one side of the base (1); and the screw rod (17) penetrating the fixing frame (18) is mounted on the output end of the second motor (16) via a coupling; the outer wall of the screw rod (17) is meshed with the inner wall of the fixing frame (18).

2. A rotating mechanism for a welding robot according to claim 1, characterized in that: A first motor (4) is provided on one side of the fixing seat (2), and an output end of the first motor (4) is connected to one end of the driving shaft (3) via a coupling.

3. The rotating mechanism for a welding robot according to claim 1, characterized in that: A ball bearing (9) is provided on the inner wall of the fixing seat (2), and the outer wall of the ball bearing (9) is in contact with the outer wall of the clamping frame (6).

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