Multi-angle adjustable robot welding mechanism

Abstract

The utility model provides a multi-angle adjusting robot welding mechanism which is characterized in that a welding gun is fixedly connected with a sliding block through a bolt, a positioning needle is arranged under the welding gun, the positioning needle is fixedly connected with a base, and the welding gun and the base are fixedly connected with a fixing piece through a bolt; the interior of the base is telescopic, and the needle head of the positioning needle is consistent with the working site of the welding gun; the sliding block is movably connected with the rotating block through a movable shaft; the sliding block is fixedly connected with the base through a bolt; the base slides back and forth on the first guide rail through a pulley; the pulleys are movably connected with the supporting pieces, and the bottom of the base outer side shell is located on the second guide rail. According to the welding mechanism, a sliding block, a guide rail and a rotating shaft are fused, a welding point at any position is positioned within a certain space range, a positioning needle is arranged below a welding gun to assist the welding gun in accurately positioning the welding point, and the phenomenon that a workpiece is welded through due to the fact that the welding gun works at one welding point for a long time is prevented.

Description

Technical Field

[0001] One or more embodiments of this specification relate to the technical field, and in particular, to a robot welding mechanism with multi-angle adjustment. Background Art

[0002] A welding structure refers to a common metal structure most suitable for being manufactured by welding methods. The physical essence of welding is to achieve the atomic bonding between two independent workpieces.

[0003] The prior art application number: 202210020126, patent name: positioning mechanism and welding robot, which describes that "by movably arranging a circular track on the positioning base, under the action of the rack and the steering motor, the first guide rail can rotate at any angle within the horizontal plane of the circular track, so that the upper welding torch can weld the welds in any direction within the horizontal plane, not limited to horizontal or vertical directions, and there is no need to frequently adjust the orientation of the weld during the welding process". However, the structure described therein needs to frequently adjust the position of the overall structure to maintain the correct welding path when welding irregular welds, and the actual operation process is cumbersome and it is not easy to accurately identify the welding points. Moreover, its electromagnetic suction seat is only applicable to workpieces with small volume and light weight, and it is impossible to weld large-volume workpieces. Utility Model Content

[0004] In view of this, the purpose of the present utility model is to propose a robot welding mechanism with multi-angle adjustment to solve the problem that it is not easy to accurately identify the welding points in the prior art.

[0005] Based on the above purpose, the present utility model provides a robot welding mechanism with multi-angle adjustment, including a welding torch, the welding torch is fixedly connected to a slider through bolts, a positioning pin is arranged directly below the welding torch, the positioning pin is fixedly connected to a base, the welding torch and the base are fixedly connected to a fixing piece through bolts, and the base is telescopic inside;

[0006] The slider is movably connected to a rotating block through a movable shaft, the slider can slide up and down and left and right, and the rotating block enables the slider to rotate a certain angle, and the whole forms a welding mechanism that can determine the position of any welding point within a certain area in the vertical plane;

[0007] The slider is fixedly connected to a base through bolts, and the base slides back and forth on the first guide rail through pulleys;

[0008] Wherein, the number of pulleys is set according to the total weight of the welding mechanism;

[0009] The pulley is movably connected to a support piece, the positions of the pulleys are symmetric about the left and right of the support piece, the support piece is fixedly connected to the inside of the base, and the bottom of the outer shell of the base is located on the second guide rail, forming a welding mechanism that can slide back and forth in the horizontal plane.

[0010] Preferably, both ends of the first guide rail and the second guide rail are fixedly connected to the end baffle of the track by bolts, and the end baffle of the track is detachable, facilitating the replacement and maintenance of the internal pulleys.

[0011] Preferably, the first guide rail is located on the upper surface of the workbench, and the lower surface of the workbench is stably supported by brackets. A welding operation table is placed on one side of the workbench.

[0012] Preferably, the welding operation table includes hydraulic supports, and the hydraulic supports are fixedly installed on the lower surface of the welding operation table by bolts. The hydraulic supports are located at the corners of the welding operation table.

[0013] Preferably, the welding operation table includes a rotating working disk, and a magnetic suction seat is installed on the lower surface of the center point of the rotating working disk for fixing welding parts.

[0014] Preferably, the magnetic suction seat includes a rotating shaft, the rotating shaft is located on the lower surface of the center point of the magnetic suction seat, the rotating shaft is fixedly connected to the base of the working disk by bolts, and the base of the working disk is fixedly connected to the welding operation table by bolts, forming a detachable small-component working platform.

[0015] As can be seen from the above, the present utility model provides a robot welding mechanism with multi-angle adjustment. The core lies in the constructed mechanical linkage system, which integrates a slider, a high-strength guide rail and a precision rotating shaft. The three cooperate closely through a complex transmission mechanism to locate welding points at any position within a certain space range. And by setting a positioning pin below the welding torch, it assists the welding torch to accurately position the welding site and prevents the phenomenon that the workpiece is welded through due to the welding torch operating at a welding point for a long time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in one or more embodiments or the prior art of this specification, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only one or more embodiments of this specification. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0017] Figure 1 It is a schematic three-dimensional structure diagram of the whole of the present utility model;

[0018] Figure 2 It is a detailed view of the pulley part of the present utility model;

[0019] Figure 3 It is a sectional view of the whole structure of the present utility model;

[0020] Figure 4 It is a left view of the whole structure of the present utility model;

[0021] Figure 5 This is the upper view of the overall structure of the present utility model.

[0022] In the figure: 1. Welding torch; 2. Positioning pin; 3. Base; 4. Slide block; 5. Rotating block; 6. Welding operation table; 7. Workbench; 8. Second guide rail; 9. Support; 10. First guide rail; 11. Baffle at the end of the track; 12. Rotating work disk; 13. Hydraulic support; 14. Fixed piece; 15. Support piece; 16. Pulley; 17. Base; 18. Magnetic attraction seat; 19. Rotating shaft; 20. Base of the work disk; 21. Movable shaft. Specific embodiments

[0023] To make the purpose, technical solutions and advantages of the present utility model clearer and more understandable, the following further elaborates on the present utility model in combination with specific embodiments and referring to the accompanying drawings.

[0024] It should be noted that unless otherwise defined, the technical terms or scientific terms used in the embodiments of the present utility model should have the ordinary meanings understood by those of ordinary skill in the art to which this disclosure pertains. The "first", "second" and similar terms used in this disclosure do not denote any order, quantity or importance, but are only used to distinguish different components. The terms such as "including" or "comprising" mean that the elements or objects appearing before this term cover the elements or objects listed after this term and their equivalents, without excluding other elements or objects. The terms such as "connected" or "coupled" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The "upper", "lower", "left", "right", etc. are only used to represent relative positional relationships, and when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0025] Embodiment 1:

[0026] As Figure 1 、 Figure 2 and Figure 3 shown, a robot welding mechanism with multi-angle adjustment is provided, including a welding torch 1, the welding torch 1 is fixedly connected to the slide block 4 by bolts, a positioning pin 2 is arranged directly below the welding torch 1, the positioning pin 2 is fixedly connected to the base 3, and the welding torch 1 and the base 3 are fixedly connected to the fixed piece 14 by bolts;

[0027] Among them, the base 3 is internally telescopic. The tip of the positioning pin 2 is aligned with the working position of the welding torch 1. Before welding, the positioning pin 2 is used to determine the starting position of the welding point. After the position is determined, the positioning pin will shorten to a certain position to avoid friction with the workpiece after the welding process starts, causing damage to the positioning pin and hindering the normal progress of the welding process. Moreover, the positioning pin that has shortened to a certain position can prevent the phenomenon that the workpiece is welded through due to the welding torch operating at a welding point for a long time.

[0028] The slider 4 and the rotating block 5 are movably connected through a movable shaft 21. The slider 4 can slide up and down and left and right, and the rotating block 5 enables the slider 4 to rotate a certain angle. As a whole, it constitutes a welding mechanism that can determine the position of any welding point within a certain area in the vertical plane. The number of sliders 4 is set according to actual welding needs.

[0029] The slider 4 is fixedly connected to the base 17 through bolts, and the base 17 slides back and forth on the first guide rail 10 through pulleys 16.

[0030] Among them, the number of pulleys 16 is set according to the total weight of the welding mechanism.

[0031] The pulley 16 is movably connected to the support piece 15. The position of the pulley 16 is symmetric about the left and right of the support piece 15. The support piece 15 is fixedly connected to the inside of the base 17. The bottom of the outer shell of the base 17 is located on the second guide rail 8, forming a welding mechanism that can slide back and forth in the horizontal plane.

[0032] Both ends of the first guide rail 10 and the second guide rail 8 are fixedly connected to the track end baffle 11 through bolts.

[0033] Among them, the track end baffle 11 is detachable to facilitate the replacement and maintenance of the internal pulley 16.

[0034] The first guide rail 10 is located on the upper surface of the workbench 7. The lower surface of the workbench 7 is stably supported by a bracket 9. A welding operation table 6 is placed on one side of the workbench 7.

[0035] Embodiment 2:

[0036] As Figure 1 、 Figure 2 、 Figure 3 and Figure 4 shown, a robot welding mechanism with multi-angle adjustment is provided, including a welding torch 1. The welding torch 1 is fixedly connected to the slider 4 through bolts. A positioning pin 2 is arranged directly below the welding torch 1. The positioning pin 2 is fixedly connected to the base 3. The welding torch 1 and the base 3 are fixedly connected to the fixing piece 14 through bolts.

[0037] Among them, the base 3 is internally telescopic. The tip of the positioning pin 2 is consistent with the working position of the welding torch 1. Before welding, the positioning pin 2 is used to determine the starting position of the welding point. After the position is determined, the positioning pin will shorten to a certain position to avoid friction with the workpiece after the welding program starts, causing damage to the positioning pin and hindering the normal progress of the welding process. And the positioning pin that has shortened to a certain position can prevent the phenomenon that the workpiece is welded through due to the welding torch operating at a welding point for a long time;

[0038] The slider 4 and the rotating block 5 are movably connected through the movable shaft 21. The slider 4 can slide up and down and left and right, and the rotating block 5 enables the slider 4 to rotate by a certain angle, forming a welding mechanism that can determine the position of any welding point within a certain area in the vertical plane. The number of sliders 4 is set according to the actual welding requirements;

[0039] The slider 4 is fixedly connected to the base 17 through bolts, and the base 17 slides back and forth on the first guide rail 10 through the pulley 16;

[0040] Among them, the number of pulleys 16 is set according to the total weight of the welding mechanism;

[0041] The pulley 16 is movably connected to the support piece 15. The position of the pulley 16 is symmetric about the left and right of the support piece 15. The support piece 15 is fixedly connected to the inside of the base 17. The bottom of the outer shell of the base 17 is located on the second guide rail 8, forming a welding mechanism that can slide back and forth in the horizontal plane.

[0042] Both ends of the first guide rail 10 and the second guide rail 8 are fixedly connected to the track end baffle 11 through bolts;

[0043] Among them, the track end baffle 11 is detachable to facilitate the replacement and repair of the internal pulley 16.

[0044] The first guide rail 10 is located on the upper surface of the workbench 7. The lower surface of the workbench 7 is stably supported by the bracket 9. A welding operation table 6 is placed on one side of the workbench 7.

[0045] The welding operation table 6 further includes:

[0046] A hydraulic support 13, and the hydraulic support 13 is fixedly installed on the lower surface of the welding operation table 6 through bolts;

[0047] Among them, the hydraulic support 13 is located at each corner of the welding operation table 6. The height of the hydraulic support is adjusted according to the shape, size, and height of the actual welding workpiece to meet the welding requirements of different workpieces.

[0048] Embodiment Three:

[0049] Such as Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 andFigure 5 As shown in the figure, a robot welding mechanism with multi-angle adjustment is provided, including a welding torch 1. The welding torch 1 is fixedly connected to a slider 4 by bolts. A positioning pin 2 is arranged directly below the welding torch 1, and the positioning pin 2 is fixedly connected to a base 3. The welding torch 1 and the base 3 are fixedly connected to a fixing piece 14 by bolts;

[0050] Among them, the inside of the base 3 is telescopic. The tip of the positioning pin 2 is consistent with the working position of the welding torch 1. Before welding, the positioning pin 2 is used to determine the starting position of the welding point. After the position is determined, the positioning pin will shorten to a certain position to prevent friction with the workpiece after the welding program starts, causing damage to the positioning pin and hindering the normal progress of the welding process. And the positioning pin that has shortened to a certain position can prevent the phenomenon that the workpiece is welded through due to the welding torch operating at a welding point for a long time;

[0051] The slider 4 is movably connected to a rotating block 5 through a movable shaft 21. The slider 4 can slide up and down and left and right, and the rotating block 5 enables the slider 4 to rotate at a certain angle, forming a welding mechanism that can determine the position of any welding point within a certain area in the vertical plane. The number of sliders 4 is set according to the actual welding requirements;

[0052] The slider 4 is fixedly connected to a base 17 by bolts, and the base 17 slides back and forth on a first guide rail 10 through a pulley 16;

[0053] Among them, the number of pulleys 16 is set according to the total weight of the welding mechanism;

[0054] The pulley 16 is movably connected to a support piece 15. The position of the pulley 16 is symmetric about the left and right of the support piece 15. The support piece 15 is fixedly connected to the inside of the base 17. The bottom of the outer shell of the base 17 is located on a second guide rail 8, forming a welding mechanism that can slide back and forth in the horizontal plane.

[0055] Both ends of the first guide rail 10 and the second guide rail 8 are fixedly connected to a track end baffle 11 by bolts;

[0056] Among them, the track end baffle 11 is detachable to facilitate the replacement and repair of the internal pulley 16.

[0057] The first guide rail 10 is located on the upper surface of a workbench 7. The lower surface of the workbench 7 is stably supported by a bracket 9. A welding operation table 6 is placed on one side of the workbench 7.

[0058] The welding operation table (6) further includes:

[0059] A rotating work disk 12. A magnetic attraction seat 18 is installed on the lower surface of the center point of the rotating work disk 12 for fixing welding parts, mainly used for welding workpieces with smaller volumes.

[0060] The magnetic attraction seat 18 further includes:

[0061] The rotating shaft 19 is located on the lower surface of the center point of the magnetic attraction seat 18. The rotating shaft 19 is fixedly connected to the working plate base 20 through bolts. The working plate base 20 is fixedly connected to the welding operation table 6 through bolts, forming a detachable small-component working platform.

[0062] Working principle: Before the welding mechanism starts working, initialization operations are first performed, such as checking the status of each component, determining the welding path, adjusting the position of the positioning pin, etc. Align the tip of the positioning pin 2 with the initial welding site. After positioning, retract the positioning pin to a certain position to prevent the positioning pin from interfering with the welding work. If the welding torch operates at a welding point for a long time and causes the workpiece to be welded through, when the positioning pin touches the workpiece at this time, the welding program reports an error.

[0063] The welding mechanism includes a moving mechanism and a rotating mechanism, such as the slider 4 and the movable shaft 21. By controlling the sliding and lifting of the slider on the slide rail or the screw rod, fine adjustment of the welding torch in terms of height and spatial position is achieved. The angle of the welding torch is changed by rotating the movable shaft. Select the workbench surface according to the size of the welded part. For larger welded parts, select the welding operation table 6 for welding. For smaller welded parts or parts that require rotational operation, select the rotating work plate 12 for welding. The welded part can be fixed in position on the workbench with the fixing device. After adjusting the welding angle and fixing the welded part, start the welding equipment for welding operation.

[0064] Those of ordinary skill in the art should understand that: The discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of the present disclosure (including the claims) is limited to these examples; Under the concept of the present utility model, the technical features in the above embodiments or different embodiments can also be combined, and the steps can be implemented in any order, and there are many other variations in different aspects of the present utility model as described above, and they are not provided in detail for the sake of brevity.

[0065] The embodiments of the present utility model are intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A multi-angle adjustable robot welding mechanism, comprising a welding gun (1), characterized in that: The welding gun (1) and the slider (4) are fixedly connected by bolts, a positioning pin (2) is provided directly below the welding gun (1), the positioning pin (2) is fixedly connected to the base (3), and the welding gun (1) and the base (3) are fixedly connected to a fixing plate (14) by bolts; Wherein, the interior of the base (3) is retractable; The slider (4) and the rotating block (5) are movably connected via a movable shaft (21). The slider (4) can slide up and down and left and right. The rotating block (5) enables the slider (4) to rotate to a certain angle. The whole constitutes a welding mechanism that can determine the position of any welding point in a certain area within a vertical plane. The slider (4) is fixedly connected to the base (17) by bolts, and the base (17) slides back and forth on the first guide rail (10) via the pulley (16); wherein the number of pulleys (16) is set according to the total weight of the welding mechanism; The pulley (16) is movably connected to the support piece (15), and the position of the pulley (16) is symmetrical with respect to the support piece (15). The support piece (15) is fixedly connected to the inside of the base (17). The bottom of the outer shell of the base (17) is located on the second guide rail (8), forming a welding mechanism that can slide back and forth in a horizontal plane.

2. The multi-angle adjustable robot welding mechanism according to claim 1, characterized in that: Both ends of the first guide rail (10) and the second guide rail (8) are fixedly connected to the rail end baffle (11) by bolts; The track end baffle (11) is detachable to facilitate the replacement and maintenance of the internal pulley (16).

3. The multi-angle adjustable robot welding mechanism according to claim 1, characterized in that: The first guide rail (10) is located on the upper surface of the workbench (7), the lower surface of the workbench (7) is stably supported by a bracket (9), and a welding operating table (6) is placed on one side of the workbench (7).

4. The multi-angle adjustable robot welding mechanism according to claim 3, characterized in that: The welding operation table (6) also includes: A hydraulic support (13), wherein the hydraulic support (13) is fixedly mounted to the lower surface of the welding operating table (6) via bolts; Wherein, the hydraulic supports (13) are located at each corner of the welding operation table (6).

5. The multi-angle adjustable robot welding mechanism according to claim 3, characterized in that: The welding operation table (6) further comprises: The working disk (12) is rotated, and a magnetic seat (18) is installed on the lower surface of the center point of the working disk (12) for fixing welding parts.

6. The multi-angle adjustable robot welding mechanism according to claim 5, characterized in that: The magnetic seat (18) further comprises: The rotating shaft (19) is located on the lower surface of the center point of the magnetic seat (18), the rotating shaft (19) is fixedly connected to the working disk base (20) through bolts, and the working disk base (20) is fixedly connected to the welding operating table (6) through bolts to form a detachable small component working platform.

Images