Clamp holder for welding robot

Abstract

The clamping device comprises a mechanical arm, an assembling plate is fixedly installed on the front face of the mechanical arm, a clamping frame is detachably connected to the front face of the assembling plate, a servo motor is fixedly installed on the right side of the clamping frame, and an output shaft of the servo motor penetrates through and extends into the clamping frame. An output shaft of the servo motor is fixedly connected with a lead screw, and the lead screw is in threaded connection with two welding gun clamping seats. The position of the welding gun can be accurately detected through the infrared ray sensor, accurate centering clamping of the welding gun is achieved, once the welding gun moves, signal reporting can be triggered in time so that maintenance can be facilitated, welding quality is guaranteed, in the aspect of heat dissipation, the alloy arc-shaped guide plate is attached to the welding gun, heat conduction is achieved, the welding gun is not abraded, and the multiple sets of heat conduction rods transmit heat to the installation frame. The micro fan is controlled by the processor to work intermittently, air circulation and heat dissipation in the mounting frame are accelerated, and the problem that the clamping position is large in heat is effectively solved.

Description

Technical Field

[0001] This utility model relates to the field of welding robot technology, and more specifically, to a gripper for welding robots. Background Technology

[0002] Traditional processing techniques can no longer meet market demands. Existing production methods are slow, have low capacity, and pose high safety risks to employees, leading to the development of welding robots. A welding robot is essentially an industrial robot with a welding torch attached to its end, enabling welding and automated production. Currently, the welding torch of existing welding robots is fixedly mounted on the robot's robotic arm, typically using bolts to assemble and connect the torch to the welding end of the robot. The position is fixed, and the welding robot operates the robotic arm through a series of movements, controlling the welding torch to complete the welding of the workpiece. Because welding generates a significant amount of hot metal debris, this method of torch mounting can cause the torch to stick to the welding end over prolonged use, making torch replacement and disassembly inconvenient.

[0003] Patent application number CN2023204420779 discloses a welding torch holder for a welding robot. The technical solution includes a robotic arm and a robot base for mounting the robotic arm. An assembly plate is mounted on the welding end of the robotic arm. A clamping component is provided on one side of the assembly plate, and the welding torch body is clamped and mounted within the clamping component. The clamping component includes a mounting frame fixedly connected to the side wall of the assembly plate. The mounting frame has two symmetrically arranged clamping plates, a first clamping plate and a second clamping plate. A universal joint is connected to the bottom of the second clamping plate, and a stud is horizontally inserted through the universal joint. One end of the stud is connected to a micro motor. This utility model has a novel and compact structure, allows for convenient and flexible installation of the welding torch, adapts to the assembly and installation of welding torches of different sizes, improves the ease of use of the welding robot, and enhances the stability and safety of the welding torch installation.

[0004] This structure uses a servo motor to drive a single set of clamping seats to clamp the welding torch. If the structure becomes loose during use, it will affect the welding quality. In addition, manual positioning is required during the clamping process, which is inefficient. Furthermore, the welding torch is clamped on the side, making it difficult for heat to dissipate, which will affect the working condition of the welding torch. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of this utility model is to provide a gripper for welding robots to solve the problems in the background art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution;

[0007] A gripper for a welding robot includes a robotic arm. An assembly plate is fixedly mounted on the front of the robotic arm. A gripping frame is detachably connected to the front of the assembly plate. A servo motor is fixedly mounted on the right side of the gripping frame. The output shaft of the servo motor passes through and extends into the interior of the gripping frame. A lead screw is fixedly connected to the output shaft of the servo motor. Two welding torch holders are threaded onto the lead screw. The welding torch holders are slidably connected to the inner wall of the gripping frame. An arc-shaped groove is formed on the welding torch holder. A heat-conducting component is provided on the welding torch holder. An infrared ray sensor is fixedly mounted on the front of the welding torch holder. A processor is fixedly mounted on the gripping frame. Both the infrared ray sensor and the servo motor are signal-connected to the processor.

[0008] The heat-conducting component includes an arc-shaped guide plate connected to the inner wall of an arc-shaped groove. A mounting frame is fixedly connected to the welding torch holder, and uniformly distributed heat-conducting rods are fixedly connected to the inner wall of the mounting frame. The heat-conducting rods are connected to the arc-shaped guide plate.

[0009] As a further description of the above technical solution: a signal transmission module is fixedly installed on the clamping frame, and the signal transmission module is connected to the processor signal.

[0010] As a further description of the above technical solution: a guide groove is provided on the inner wall of the clamping frame, and the welding gun clamping seat is slidably connected to the inner wall of the guide groove.

[0011] As a further description of the above technical solution: the arc-shaped guide plate is made of alloy material and has good thermal conductivity.

[0012] As a further description of the above technical solution: a miniature fan is fixedly installed on the mounting frame, and the miniature fan is signal-connected to the processor.

[0013] As a further description of the above technical solution: the assembly plate has a through groove, which is located on the back of the clamping frame.

[0014] Compared with existing technologies, the advantages of this utility model are:

[0015] In this invention, the position of the welding torch can be accurately detected by an infrared ray sensor, enabling precise centered clamping of the welding torch. Once the welding torch is displaced, a signal can be triggered in time for maintenance, ensuring welding quality. In terms of heat dissipation, the alloy arc-shaped guide plate fits in close to the welding torch, which conducts heat without wearing the welding torch. Multiple sets of heat-conducting rods transfer heat to the mounting frame. The micro fan is controlled by the processor to work intermittently, accelerating air circulation and heat dissipation within the mounting frame, effectively solving the problem of high heat at the clamping position. Attached Figure Description

[0016] Figure 1This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a front view cross-sectional structural diagram of the clamping frame of this utility model;

[0018] Figure 3 For the present utility model Figure 2 Enlarged structural diagram at point A in the middle;

[0019] Figure 4 This is a schematic diagram illustrating the principle of this utility model.

[0020] Explanation of the labels in the diagram:

[0021] 1. Robotic arm; 2. Assembly plate; 3. Clamping frame; 4. Servo motor; 5. Lead screw; 6. Welding torch holder; 7. Arc groove; 8. Heat conduction component; 801. Arc guide plate; 802. Mounting frame; 803. Heat conduction rod; 9. Infrared ray sensor; 10. Processor; 11. Signal transmission module; 12. Guide groove; 13. Miniature fan; 14. Through groove. Detailed Implementation

[0022] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0023] Please see Figures 1-4 In this utility model, a gripper for a welding robot includes a robotic arm 1. An assembly plate 2 is fixedly mounted on the front of the robotic arm 1. A gripping frame 3 is detachably connected to the front of the assembly plate 2. A servo motor 4 is fixedly mounted on the right side of the gripping frame 3. The output shaft of the servo motor 4 passes through and extends into the interior of the gripping frame 3. A lead screw 5 is fixedly connected to the output shaft of the servo motor 4. Two welding torch gripping seats 6 are threadedly connected to the lead screw 5. The welding torch gripping seats 6 are slidably connected to the inner wall of the gripping frame 3. An arc-shaped groove 7 is provided on the welding torch gripping seats 6. A heat-conducting component 8 is provided on the welding torch gripping seats 6. An infrared ray sensor 9 is fixedly mounted on the front of the welding torch gripping seats 6. A processor 10 is fixedly mounted on the gripping frame 3. The infrared ray sensor 9 and the servo motor 4 are both signal-connected to the processor 10.

[0024] The heat-conducting component 8 includes an arc-shaped guide plate 801, which is connected to the inner wall of the arc-shaped groove 7. A mounting frame 802 is fixedly connected to the welding torch holder 6. A uniformly distributed heat-conducting rod 803 is fixedly connected to the inner wall of the mounting frame 802, and the heat-conducting rod 803 is connected to the arc-shaped guide plate 801.

[0025] A signal transmission module 11 is fixedly installed on the clamping frame 3. The signal transmission module 11 is connected to the processor 10. A micro fan 13 is fixedly installed on the mounting frame 802. The micro fan 13 is connected to the processor 10. The arc-shaped guide plate 801 is made of alloy material and has good thermal conductivity. A through groove 14 is opened on the assembly plate 2. The through groove 14 is located on the back of the clamping frame 3.

[0026] In the welding robot, the robotic arm 1 holds the welding torch using a gripper and then controls the position of the welding torch to achieve welding. In actual use, the operator moves the welding torch into the gripper 3, placing it between two welding torch holders 6. The operator then powers on the servo motor 4, which drives the lead screw 5, which is fixedly connected to it, to rotate synchronously. The two welding torch holders 6, threaded onto the lead screw 5, begin to move relative to each other, approaching the welding torch. The infrared ray sensor 9 also moves in real time. When the arc-shaped groove 7 inside the welding torch holder 6 effectively holds the welding torch, the torch is centered and both sides are positioned above the infrared ray sensor 9. The infrared ray sensor 9 is blocked and transmits the signal to the processor 10. The processor 10 then controls the servo motor 4 to stop working, thus completing the welding process. Effective clamping of the welding torch is crucial. If the welding torch or its clamping base 6 malfunctions during subsequent use, causing displacement, the infrared ray sensor 9 will be triggered. The processor 10 will then transmit a signal through the signal transmission module 11 to report the issue, facilitating timely repairs and preventing a reduction in welding quality. During clamping, the arc-shaped guide plate 801 made of alloy material adheres to the side of the welding torch. For example, copper alloy material has good thermal conductivity and a certain degree of deformation capability, preventing wear on the welding torch. Multiple sets of heat-conducting rods 803 contact the arc-shaped guide plate 801 to achieve heat exchange. When the welding torch is working, the clamping position generates significant heat, which is then transferred to the mounting frame 802 through heat exchange. Subsequently, the micro fan 13, intermittently controlled by the processor 10, generates suction to accelerate airflow within the mounting frame 802, thereby achieving a heat dissipation effect.

[0027] In this invention, the position of the welding torch can be accurately detected by the infrared ray sensor 9, enabling precise centered clamping of the welding torch. Once the welding torch is displaced, a signal can be triggered in time for maintenance, ensuring welding quality. In terms of heat dissipation, the alloy arc-shaped guide plate 801 is in close contact with the welding torch, which conducts heat without wearing the welding torch. Multiple sets of heat-conducting rods 803 transfer heat to the mounting frame 802. The micro fan 13 is controlled by the processor 10 to work intermittently, accelerating air circulation and heat dissipation within the mounting frame 802, effectively solving the problem of high heat at the clamping position.

[0028] Please see Figure 1 and 2 The clamping frame 3 has a guide groove 12 on its inner wall, and the welding torch clamping seat 6 is slidably connected to the inner wall of the guide groove 12.

[0029] In this invention, when the welding torch holder 6 moves, the guide groove 12 can restrict it, so that the welding torch holder 6 can move stably.

[0030] The above description is merely a preferred embodiment of this utility model; however, the protection scope of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and its improved concept, should be included within the protection scope of this utility model.

Claims

1. A gripper for a welding robot, comprising a robotic arm (1), characterized in that: The front of the robotic arm (1) is fixedly mounted with an assembly plate (2). The front of the assembly plate (2) is detachably connected with a clamping frame (3). A servo motor (4) is fixedly mounted on the right side of the clamping frame (3). The output shaft of the servo motor (4) passes through and extends into the interior of the clamping frame (3). A lead screw (5) is fixedly connected to the output shaft of the servo motor (4). Two welding torch holders (6) are threadedly connected to the lead screw (5). The welding torch holders (6) are slidably connected to the inner wall of the clamping frame (3). An arc groove (7) is opened on the welding torch holders (6). A heat conduction component (8) is provided on the welding torch holders (6). An infrared ray sensor (9) is fixedly mounted on the front of the welding torch holders (6). A processor (10) is fixedly mounted on the clamping frame (3). The infrared ray sensor (9) and the servo motor (4) are both signal connected to the processor (10). The heat-conducting component (8) includes an arc-shaped guide plate (801), which is connected to the inner wall of the arc-shaped groove (7). A mounting frame (802) is fixedly connected to the welding torch holder (6), and uniformly distributed heat-conducting rods (803) are fixedly connected to the inner wall of the mounting frame (802). The heat-conducting rods (803) are connected to the arc-shaped guide plate (801).

2. The gripper for a welding robot according to claim 1, characterized in that: A signal transmission module (11) is fixedly installed on the clamp (3), and the signal transmission module (11) is connected to the processor (10) via signal.

3. A gripper for a welding robot according to claim 1, characterized in that: The inner wall of the clamping frame (3) is provided with a guide groove (12), and the welding gun clamping seat (6) is slidably connected to the inner wall of the guide groove (12).

4. A gripper for a welding robot according to claim 1, characterized in that: A miniature fan (13) is fixedly installed on the mounting frame (802), and the miniature fan (13) is connected to the processor (10) via signal.

5. A gripper for a welding robot according to claim 1, characterized in that: The arc-shaped guide plate (801) is made of alloy material and has good thermal conductivity.

6. A gripper for a welding robot according to claim 1, characterized in that: The assembly plate (2) has a through groove (14) located on the back of the clamping frame (3).

Images