Wire feeding mechanism of welding robot
By introducing wire feeding adjustment components and fixed guide components into the wire feeding mechanism of the welding robot, the wire feeding problem is solved, and a high-quality and efficient wire feeding process is achieved, which improves welding efficiency and flexibility.
Patent Information
- Application Number
- CN202421979042.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-15
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-08-15
AI Technical Summary
The existing wire feeding mechanism of welding robots is prone to wire removal, which leads to interruption of welding work and reduces welding quality and efficiency.
Wire feeding adjustment assembly and fixed guide assembly are adopted, including wire feeding teeth and guide wheels driven by servo motors. By limiting wire feeding and changing wire feeding direction, the friction between the welding wire and the driving member is increased, avoiding desilience, and improving the flexibility of wire feeding.
It effectively avoids the descending phenomenon during the wire feeding process, improves the welding quality and efficiency, and enhances the flexibility and operation convenience of the wire feeding mechanism.
Smart Images
Figure CN223057030U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wire feeding devices, and more specifically, to a wire feeding mechanism of a welding robot. Background Art
[0002] A welding robot is an industrial robot engaged in welding. An industrial robot is a multi-purpose, reprogrammable automatic control manipulator with three or more programmable axes and is used in the field of industrial automation. When a welding robot is welding, a wire feeding mechanism needs to be installed to convey the welding wire. The wire feeding mechanism is an important part of the welding robot, and its main function is to stably and accurately send the welding wire to the welding area to ensure the welding quality and efficiency. The existing wire feeding mechanisms mainly consist of a wire spool, rollers, a motor, a guiding tube, etc. During operation, the wire spool presses the welding wire against the outer surface of the rollers, and then the motor is started to drive the rollers to rotate so that the welding wire moves inside the guiding tube. Since this type of mechanism feeds the wire through the rollers and there is no limit on the outer surface of the rollers, wire detachment may occur during the working process, resulting in the interruption of the welding work, greatly reducing the welding quality of the product and the working efficiency of welding. To solve the deficiencies of the existing technology, we propose a wire feeding mechanism of a welding robot. Content of the Utility Model
[0003] In order to overcome the above-mentioned defects of the existing technology, the utility model provides a wire feeding mechanism of a welding robot to solve the problems that wire detachment may occur during the working process, resulting in the interruption of the welding work, and greatly reducing the welding quality of the product and the working efficiency of welding.
[0004] To solve the above technical problems, the utility model provides the following technical solution: A wire feeding mechanism of a welding robot, including a mounting frame, a wire feeding adjustment component is arranged inside the mounting frame, a fixed guiding component is arranged on one side of the wire feeding adjustment component, a fixed frame is fixedly installed on the outer surface of one side of the mounting frame, and a cover plate is rotatably connected to the outer surface of one side of the mounting frame;
[0005] The wire feeding adjustment component includes a servo motor, a connecting shaft is fixedly installed at the output end of the servo motor, a wire feeding gear is fixedly sleeved on the outer wall of the connecting shaft, a wire feeding wheel is arranged directly above the connecting shaft, a first threaded lead screw is threadedly connected to the inner wall of one side of the wire feeding wheel, and a first motor is fixedly installed on the outer surface of the upper end of the first threaded lead screw.
[0006] Among them, an auxiliary plate is welded to the outer surface of one side of the mounting frame, the servo motor is fixedly installed on the upper outer surface of the auxiliary plate, one end of the connecting shaft is fixedly installed on the output end of the servo motor, the connecting shaft is rotatably connected to the inner wall of one side of the mounting frame, the first threaded lead screw is rotatably connected to the inner wall of the upper side of the mounting frame, and the first motor is fixedly installed on the upper outer surface of the mounting frame.
[0007] Among them, the fixed guiding assembly includes a first guiding wheel, a second guiding wheel is arranged on one side of the first guiding wheel, a rectangular auxiliary block is welded to the outer surface of one side of the second guiding wheel, a second threaded lead screw is threadedly connected to the inner wall of the rectangular auxiliary block, a second motor is fixedly installed on the upper outer surface of the second threaded lead screw, a wire outlet guiding tube is arranged on one side of the second guiding wheel, a fixing ring is movably sleeved on the outer surface of the wire outlet guiding tube, a third threaded lead screw is welded to the outer surface of the fixing ring, a fixing plate is threadedly connected to the outer surface of the third threaded lead screw, a wire inlet guiding tube is arranged on the other side of the first guiding wheel, a wire winding disc is arranged on one side of the wire inlet guiding tube, a connecting column is rotatably connected to the inner wall of the wire winding disc, a groove is formed inside the connecting column, a clamping column is welded to the outer wall of the groove, and a clamping part is slidably connected to the outer wall of the clamping column.
[0008] Among them, the first guiding wheel is rotatably connected to the inner wall of one side of the mounting frame, the lower outer surface of the second threaded lead screw is rotatably connected to the bottom of the inner cavity of the mounting frame, the wire outlet guiding tube is rotatably connected to the inner wall of one side of the mounting frame, the fixing plate is welded to the outer surface of one side of the mounting frame, the wire inlet guiding tube is fixedly sleeved on the inner wall of the other side of the mounting frame, the connecting column is fixedly installed on the outer surface of one side of the fixing frame, and the outer surface of one side of the rectangular auxiliary block is attached to the inner wall of one side of the mounting frame.
[0009] Among them, the middle rack part of the wire feeding wheel is rotatable, and the outer surface of one side of the wire feeding wheel is attached to the inner wall of one side of the mounting frame.
[0010] Among them, the first guiding wheel and the second guiding wheel have the same specifications, and limiting grooves are formed on the outer surfaces of both the first guiding wheel and the second guiding wheel.
[0011] Compared with the prior art, the beneficial effects of the present utility model are:
[0012] The utility model realizes wire feeding limit through the wire feeding adjustment component provided, which includes a servo motor. Starting the servo motor drives the connecting shaft to rotate, so that the wire feeding teeth rotate synchronously. The rack part of the wire feeding wheel is located directly above the wire feeding teeth and can rotate. Starting the first motor drives the first threaded screw rod to rotate, so that the wire feeding wheel moves up and down. With the above structure, through the wire feeding teeth and the wire feeding wheel provided, the mechanism realizes wire feeding limit, increases the friction between the welding wire and its driving part, avoids the wire breaking phenomenon during wire feeding, which leads to work interruption, and improves the welding quality and welding efficiency of the product;
[0013] The utility model realizes wire feeding limit through the wire feeding adjustment component provided, which includes a servo motor. Starting the servo motor drives the connecting shaft to rotate, so that the wire feeding teeth rotate synchronously. The rack part of the wire feeding wheel is located directly above the wire feeding teeth and can rotate. Starting the first motor drives the first threaded screw rod to rotate, so that the wire feeding wheel moves up and down. With the above structure, through the wire feeding teeth and the wire feeding wheel provided, the mechanism realizes wire feeding limit, increases the friction between the welding wire and its driving part, avoids the wire breaking phenomenon during wire feeding, which leads to work interruption, and improves the welding quality and welding efficiency of the product; Description of the Drawings
[0014] Figure 1 is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 is a schematic diagram of the overall internal structure of the utility model;
[0016] Figure 3 is a schematic diagram of the structure of the wire feeding adjustment component of the utility model;
[0017] Figure 4 is a schematic diagram of the structure of the fixed guiding component of the utility model;
[0018] Figure 5 is a partial structure schematic diagram of the fixed guiding component of the utility model.
[0019] [Reference Signs]
[0020] 1. Mounting frame; 2. Wire feeding adjustment assembly; 3. Fixed guiding assembly; 4. Fixed frame; 5. Cover plate; 21. Servo motor; 22. Connecting shaft; 23. Wire feeding teeth; 24. Wire feeding wheel; 25. First threaded lead screw; 26. First motor; 31. First guiding wheel; 32. Second guiding wheel; 33. Second threaded lead screw; 34. Second motor; 35. Wire outlet guiding tube; 36. Fixed ring; 37. Third threaded lead screw; 38. Fixed plate; 39. Wire inlet guiding tube; 301. Wire winding disc; 302. Connecting column; 303. Groove; 304. Clamping post; 305. Clamping part. Detailed implementation mode
[0021] To make the technical problems, technical solutions and advantages to be solved by the present utility model clearer, the following will be described in detail in conjunction with the drawings and specific embodiments.
[0022] As shown in the attached Figure 1 to the attached Figure 5 An embodiment of the present utility model provides a wire feeding mechanism for a welding robot, including a mounting frame 1. Inside the mounting frame 1, there is a wire feeding adjustment assembly 2. On one side of the wire feeding adjustment assembly 2, there is a fixed guiding assembly 3. On the outer surface of one side of the mounting frame 1, a fixed frame 4 is fixedly installed. On the outer surface of one side of the mounting frame 1, a cover plate 5 is rotatably connected.
[0023] The wire feeding adjustment assembly 2 includes a servo motor 21. At the output end of the servo motor 21, a connecting shaft 22 is fixedly installed. On the outer wall of the connecting shaft 22, wire feeding teeth 23 are fixedly sleeved. Above the connecting shaft 22, there is a wire feeding wheel 24. On the inner wall of one side of the wire feeding wheel 24, a first threaded lead screw 25 is threadedly connected. On the outer surface of the upper end of the first threaded lead screw 25, a first motor 26 is fixedly installed.
[0024] Among them, on the outer surface of one side of the mounting frame 1, an auxiliary plate is welded. The servo motor 21 is fixedly installed on the upper outer surface of the auxiliary plate. One end of the outer surface of the connecting shaft 22 is fixedly installed at the output end of the servo motor 21. The connecting shaft 22 is rotatably connected to the inner wall of one side of the mounting frame 1. The first threaded lead screw 25 is rotatably connected to the upper inner wall of the mounting frame 1. The first motor 26 is fixedly installed on the upper outer surface of the mounting frame 1.
[0025] By starting the servo motor 21 to drive the connecting shaft 22 to rotate, the wire feeding teeth 23 rotate synchronously. By starting the first motor 26 to drive the first threaded lead screw 25 to rotate, the wire feeding wheel 24 moves up and down.
[0026] Among them, the fixed guiding component 3 includes a first guiding wheel 31. A second guiding wheel 32 is arranged on one side of the first guiding wheel 31. A rectangular auxiliary block is welded on the outer surface of one side of the second guiding wheel 32. A second threaded screw rod 33 is threadedly connected to the inner wall of the rectangular auxiliary block. A second motor 34 is fixedly installed on the outer surface of the upper end of the second threaded screw rod 33. An outgoing wire guiding tube 35 is arranged on one side of the second guiding wheel 32. A fixing ring 36 is movably sleeved on the outer surface of the outgoing wire guiding tube 35. A third threaded screw rod 37 is welded on the outer surface of the fixing ring 36. A fixing plate 38 is threadedly connected to the outer surface of the third threaded screw rod 37. An incoming wire guiding tube 39 is arranged on the other side of the first guiding wheel 31. A wire winding disc 301 is arranged on one side of the incoming wire guiding tube 39. A connecting column 302 is rotatably connected to the inner wall of the wire winding disc 301. A groove 303 is formed inside the connecting column 302. A clamping column 304 is welded to the outer wall of the groove 303. A clamping part 305 is slidably connected to the outer wall of the clamping column 304.
[0027] Among them, the first guiding wheel 31 is rotatably connected to the inner wall of one side of the mounting frame 1. The lower end outer surface of the second threaded screw rod 33 is rotatably connected to the bottom of the inner cavity of the mounting frame 1. The outgoing wire guiding tube 35 is rotatably connected to the inner wall of one side of the mounting frame 1. The fixing plate 38 is welded to the outer surface of one side of the mounting frame 1. The incoming wire guiding tube 39 is fixedly sleeved on the inner wall of the other side of the mounting frame 1. The connecting column 302 is fixedly installed on the outer surface of one side of the fixing frame 4. The outer surface of one side of the rectangular auxiliary block is attached to the inner wall of one side of the mounting frame 1;
[0028] Starting from the wire winding disc 301, the welding wire passes around the upper outer surface of the first guiding wheel 31 through the incoming wire guiding tube 39, and then is led out from the inside of the outgoing wire guiding tube 35 through the second guiding wheel 32. When it is necessary to change the outgoing wire direction, the second motor 34 is started to drive the second threaded screw rod 33 to rotate, so that the second guiding wheel 32 moves up and down. The wire feeding direction can be changed through different wire winding directions. At the same time, the third threaded screw rod 37 is rotated to drive the outgoing wire guiding tube 35 to rotate on the inner wall of one side of the mounting frame 1 through the fixing ring 36, so that the welding wire passing through the second guiding wheel 32 passes straight through the outgoing wire guiding tube 35.
[0029] Among them, the middle rack part of the wire feeding wheel 24 is rotatable. The outer surface of one side of the wire feeding wheel 24 is attached to the inner wall of one side of the mounting frame 1.
[0030] Among them, the first guiding wheel 31 and the second guiding wheel 32 have the same specifications. Limiting grooves are formed on the outer surfaces of both the first guiding wheel 31 and the second guiding wheel 32.
[0031] The working process of the present utility model is as follows:
[0032] First, fix and install this mechanism at a suitable position on the wire welding robot. Then, rotatably connect the wire spool 301 with the welding wire to the outer surface of the connecting column 302. Slide the sliding clamping member 305 so that the clamping member 305 slides on the outer surface of the clamping column 304. Finally, horizontally install it on the outer surface of the groove 303 to limit the wire spool 301. Then, pass the welding wire through the inside of the wire feeding guide tube 39, reach between the wire feeding teeth 23 and the wire feeding wheel 24 through the limiting groove opened on the outer surface of the first guiding wheel 31, then pass through the limiting groove opened on the outer surface of the second guiding wheel 32, and finally lead it out from the inner wall of the wire outlet guiding tube 35. After the wire path is completed, start the first motor 26 to drive the first threaded lead screw 25 to rotate, so that the wire feeding wheel 24 moves downward until the rack part in the middle of the wire feeding wheel 24 presses the welding wire. Then, according to the set wire outlet direction, start the second motor 34 to drive the second threaded lead screw 33 to rotate, so that the second guiding wheel 32 moves up and down. By different wire winding directions, the wire feeding direction can be changed. At the same time, rotate the third threaded lead screw 37 to drive the wire outlet guiding tube 35 to rotate on the inner wall of one side of the mounting frame 1 through the fixing ring 36. After the wire outlet direction is adjusted, finally start the servo motor 21 to drive the connecting shaft 22 to rotate, so that the wire feeding teeth 23 rotate synchronously to make the welding wire advance.
[0033] Finally, several points should be noted: First, in the description of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "coupling" should be understood in a broad sense, which can be mechanical connection or electrical connection, and can also be the communication inside two components. It can be directly connected. "Up", "down", "left", "right", etc. are only used to represent the relative position relationship. When the absolute position of the described object changes, the relative position relationship may change;
[0034] Second: In the attached drawings of the disclosed embodiments of the present utility model, only the structures related to the disclosed embodiments are involved. For other structures, reference can be made to the general design. Without conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;
[0035] Finally: The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.
Claims
1. A wire feeding mechanism for a welding robot, comprising a mounting frame (1), characterized in that, Inside the mounting bracket (1), a wire feeding adjustment component (2) is provided. On one side of the wire feeding adjustment component (2), a fixed guiding component (3) is provided. On the outer surface of one side of the mounting bracket (1), a fixed bracket (4) is fixedly installed. On the outer surface of one side of the mounting bracket (1), a cover plate (5) is rotatably connected. The wire feeding adjustment component (2) includes a servo motor (21). At the output end of the servo motor (21), a connecting shaft (22) is fixedly installed. On the outer wall of the connecting shaft (22), a wire feeding gear (23) is fixedly sleeved. Above the connecting shaft (22), a wire feeding wheel (24) is provided. On the inner wall of one side of the wire feeding wheel (24), a first threaded lead screw (25) is threadedly connected. On the outer surface of the upper end of the first threaded lead screw (25), a first motor (26) is fixedly installed.
2. The wire feeding mechanism of a welding robot according to claim 1, characterized in that, On the outer surface of one side of the mounting bracket (1), an auxiliary plate is welded. The servo motor (21) is fixedly installed on the upper outer surface of the auxiliary plate. One end of the outer surface of the connecting shaft (22) is fixedly installed at the output end of the servo motor (21). The connecting shaft (22) is rotatably connected to the inner wall of one side of the mounting bracket (1). The first threaded lead screw (25) is rotatably connected to the upper inner wall of the mounting bracket (1). The first motor (26) is fixedly installed on the upper outer surface of the mounting bracket (1).
3. The wire feeding mechanism of a welding robot according to claim 1, characterized in that, The fixed guiding component (3) includes a first guiding wheel (31). On one side of the first guiding wheel (31), a second guiding wheel (32) is provided. On the outer surface of one side of the second guiding wheel (32), a rectangular auxiliary block is welded. Inside the rectangular auxiliary block, a second threaded lead screw (33) is threadedly connected. On the outer surface of the upper end of the second threaded lead screw (33), a second motor (34) is fixedly installed. On one side of the second guiding wheel (32), a wire outlet guiding tube (35) is provided. A fixing ring (36) is movably sleeved on the outer surface of the wire outlet guiding tube (35). On the outer surface of the fixing ring (36), a third threaded lead screw (37) is welded. On the outer surface of the third threaded lead screw (37), a fixing plate (38) is threadedly connected. On the other side of the first guiding wheel (31), a wire inlet guiding tube (39) is provided. On one side of the wire inlet guiding tube (39), a wire winding disc (301) is provided. Inside the wire winding disc (301), a connecting column (302) is rotatably connected. Inside the connecting column (302), a groove (303) is formed. On the outer wall of the groove (303), a clamping post (304) is welded. On the outer wall of the clamping post (304), a clamping part (305) is slidably connected.
4. The wire feeding mechanism of a welding robot according to claim 3, characterized in that, The first guide wheel (31) is rotatably connected to the inner wall of one side of the mounting frame (1), the lower outer surface of the second threaded lead screw (33) is rotatably connected to the bottom of the inner cavity of the mounting frame (1), the wire outlet guide tube (35) is rotatably connected to the inner wall of one side of the mounting frame (1), the fixing plate (38) is welded to the outer surface of one side of the mounting frame (1), the wire inlet guide tube (39) is fixedly sleeved on the inner wall of the other side of the mounting frame (1), the connecting column (302) is fixedly installed on the outer surface of one side of the fixing frame (4), and the outer surface of one side of the rectangular auxiliary block is attached to the inner wall of one side of the mounting frame (1).
5. The wire feeding mechanism of a welding robot according to claim 1, characterized in that, The middle rack part of the wire feeding wheel (24) is rotatable, and the outer surface of one side of the wire feeding wheel (24) is attached to the inner wall of one side of the mounting frame (1).
6. The wire feeding mechanism of a welding robot according to claim 3, characterized in that, The first guide wheel (31) and the second guide wheel (32) have the same specifications, and limiting grooves are formed on the outer surfaces of both the first guide wheel (31) and the second guide wheel (32).