Automatic welding robot with lifting swing mechanism

Abstract

The utility model provides an automatic welding robot with a lifting swing mechanism, which comprises a stand column and a working arm mounted on the stand column, a welding robot is mounted on the working arm, the stand column is vertically arranged, the bottom of the stand column is mounted on the swing mechanism, and a vertical driving mechanism is arranged on the stand column; the vertical driving mechanism comprises a vertical sliding rail, a vertical sliding block installed on the vertical sliding rail in a sliding mode, a vertical rack installed parallel to the vertical sliding rail and a vertical driving motor installed on the working arm, the working arm is fixedly installed on the vertical sliding block, and a vertical driving gear is installed at the output end of the vertical driving motor; the vertical driving gear is meshed with the vertical rack; the welding robot is installed on the working arm capable of ascending, descending and rotating, the operation range of the welding robot can be adjusted through rotating or ascending and descending when the types of welding workpieces are switched, the operation space of the welding robot is expanded, and the welding robot can be conveniently adapted to welding work of different types or zero numbers.

Description

Technical Field

[0001] The utility model relates to the field of welding, in particular to an automatic welding robot with a lifting and rotating mechanism. Background Art

[0002] In existing car body manufacturing, it is a common process to use welding robots to operate welding guns to perform welding operations. Existing welding robots are usually installed on fixed supports, and the processing range of the welding robots is limited by the working space of the robotic arm. During the switching process between different car models, the welding robot's range is often limited or even the working area cannot meet the welding operation requirements. Utility Model Content

[0003] The technical problem to be solved by the utility model is that the existing welding robot is installed on a fixed support and the working area is limited. The utility model provides an automatic welding robot with a lifting and rotating mechanism to solve the above problem.

[0004] The utility model solves the technical problem by adopting the following technical solution: an automatic welding robot with a lifting and rotating mechanism, comprising a column and a working arm mounted on the column, the welding robot is mounted on the working arm, the column is vertically arranged and the bottom of the column is mounted on the rotating mechanism, and a vertical driving mechanism is arranged on the column;

[0005] The vertical drive mechanism includes a vertical slide rail, a vertical slider slidably mounted on the vertical slide rail, a vertical rack mounted parallel to the vertical slide rail, and a vertical drive motor mounted on the working arm. The working arm is fixedly mounted on the vertical slider. A vertical drive gear is mounted on the output end of the vertical drive motor, and the vertical drive gear is meshed with the vertical rack.

[0006] Furthermore: the slewing mechanism includes a slewing bearing, the slewing bearing includes a fixedly installed outer ring and an inner ring rotatably installed in the outer ring, the outer periphery of the outer ring is provided with external teeth, the bottom of the column is provided with a slewing drive motor, the output end of the slewing drive motor is installed with a slewing drive gear, and the slewing drive gear is meshed with the external teeth.

[0007] Furthermore: an air collecting hood is arranged above the welding robot, and the air collecting hood is connected to the fan through an exhaust pipe.

[0008] Furthermore: the welding robot includes a manipulator and a welding gun installed at the end of the manipulator, and a welding gun replacement rack is arranged on the column, and the welding gun to be replaced is placed on the welding gun replacement rack.

[0009] Furthermore: a welding wire tray is provided at the bottom of the column.

[0010] The beneficial effect of the utility model is that the utility model is an automatic welding robot with a lifting and rotating mechanism. By installing the welding robot on a working arm that can be lifted and rotated, the operating range of the welding robot can be adjusted by rotation or lifting when the welding workpiece model is switched, thereby expanding the working space of the welding robot and facilitating the welding robot to adapt to different types or sizes of welding work. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0012] Figure 1 This is a structural schematic diagram of an automatic welding robot with a lifting and rotating mechanism of the utility model;

[0013] Figure 2 yes Figure 1 The schematic diagram of the structure after the gas collecting hood is omitted;

[0014] Figure 3 It is a partial structural diagram of the working arm installation;

[0015] Figure 4 It is a partial structural diagram of the slewing support installation;

[0016] Figure 5 It is a partial structural schematic diagram of a vertical drive motor and a vertical drive gear installed on a vertical rack.

[0017] In the figure, 1, column, 2, working arm, 3, welding robot, 4, rotating mechanism, 5, vertical slide rail, 6, vertical slider, 7, vertical rack, 8, vertical drive motor, 9, vertical drive gear, 10, vertical drive mechanism, 11, slewing bearing, 12, outer ring, 13, inner ring, 14, outer gear, 15, slewing drive motor, 16, slewing drive gear, 17, gas collecting hood, 18, welding gun, 19, welding gun replacement rack, 20, manipulator, 21, welding wire reel. DETAILED DESCRIPTION

[0018] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention. On the contrary, the embodiments of the present invention include all changes, modifications and equivalents that fall within the spirit and connotation of the appended claims.

[0019] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0020] In addition, the terms "first", "second", etc. are used for descriptive purposes only and are not to be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In addition, in the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0021] Any process or method description in the flowchart or otherwise described herein may be understood to represent a module, fragment or portion of code that includes one or more executable instructions for implementing the steps of a specific logical function or process, and the scope of the preferred embodiments of the present invention includes alternative implementations in which functions may not be performed in the order shown or discussed, including performing functions in a substantially simultaneous manner or in the reverse order depending on the functions involved, which should be understood by technicians in the technical field to which the embodiments of the present invention belong.

[0022] like Figures 1 to 5 As shown, the utility model provides an automatic welding robot with a lifting and rotating mechanism, including a column 1 and a working arm 2 installed on the column 1, a welding robot 3 is installed on the working arm 2, the column 1 is vertically arranged and the bottom of the column 1 is installed on the rotating mechanism 4, and a vertical driving mechanism 10 is arranged on the column 1; the vertical driving mechanism 10 includes a vertical slide rail 5, a vertical slider 6 slidably installed on the vertical slide rail 5, a vertical rack 7 installed parallel to the vertical slide rail 5 and a vertical driving motor 8 installed on the working arm 2, the working arm 2 is fixedly installed on the vertical slider 6, and a vertical driving gear 9 is installed at the output end of the vertical driving motor 8, and the vertical driving gear 9 is meshed with the vertical rack 7.

[0023] The welding robot 3 of the present technical solution is mounted on the working arm 2, and the working arm 2 is mounted on the column 1 through the vertical drive mechanism 10. This C-type support method has high structural strength, stability and reliability, and the welding robot 3 has a large working space. The working arm 2 can move up and down in the vertical direction under the drive of the vertical drive mechanism 10 of the column 1, and the height of the working arm 2 can be adjusted according to different products to obtain different working heights of the welding robot 3 to adapt to the welding processing of products of different specifications.

[0024] The vertical drive mechanism 10 uses a vertical drive motor 8 to drive the vertical drive gear 9 to rotate along the vertical rack 7, which can smoothly drive the working arm 2 to move along the column 1. The output drive of the vertical drive motor 8 can accurately control the rotation amount, so that the up and down movement distance of the working arm 2 can be accurately controlled, thereby automatically realizing the precise adjustment of the height of the welding robot 3.

[0025] The slewing mechanism 4 includes a slewing bearing 11, which includes a fixed outer ring 12 and an inner ring 13 rotatably installed in the outer ring 12. The outer periphery of the outer ring 12 is provided with external teeth 14. A slewing drive motor 15 is provided at the bottom of the column 1. A slewing drive gear 16 is installed at the output end of the slewing drive motor 15, and the slewing drive gear 16 is meshed with the external teeth 14.

[0026] The inner ring 13 of the slewing bearing 11 can rotate in the outer ring 12. The slewing bearing 11 has a large load-bearing capacity and provides a stable supporting force to the column 1 while providing rotational freedom. The outer ring 12 is fixedly installed and is provided with an outer tooth 14. The column 1 is installed on the inner ring 13, so that the column 1 can achieve free rotation. The rotation of the slewing drive motor 15 arranged at the bottom of the column 1 will drive the slewing drive gear 16 to rotate along the outer tooth 14. Accurately controlling the rotation amount of the slewing drive motor 15 can achieve high-precision control of the rotation angle of the column 1.

[0027] A gas collecting hood 17 is arranged above the welding robot 3, and the gas collecting hood 17 is connected to the fan through an exhaust pipe. The welding robot 3 performs welding operations within the coverage of the gas collecting hood 17, and the fan is connected to the exhaust pipe to form a stable negative pressure area, so that the smoke generated by the welding robot 3 during operation can be diverted and discharged in time, thereby improving the working environment of the welding robot and avoiding pollution caused by construction.

[0028] The welding robot 3 includes a manipulator 20 and a welding gun 18 installed at the end of the manipulator 20 . A welding gun replacement rack 19 is provided on the column 1 , and a welding gun to be replaced is placed on the welding gun replacement rack 19 .

[0029] A welding wire reel 21 is provided at the bottom of the column 1. In this solution, the welding wire reel 21 is provided at the bottom of the column 1, and the interference problem in the working area is avoided by feeding the wire at the bottom. At the same time, the manipulator 20 can automatically replace welding guns 18 of different models on the welding gun replacement rack 19 according to different product specifications, so as to meet the processing needs of different products, and 3D visual automatic weld tracking is adopted during the welding process to realize the full-process automated welding operation.

[0030] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0031] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without departing from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. An automatic welding robot with a lifting and rotating mechanism, comprising a column (1) and a working arm (2) mounted on the column (1), a welding robot (3) being mounted on the working arm (2), characterized in that: The column (1) is arranged vertically and the bottom of the column (1) is mounted on a rotating mechanism (4); a vertical driving mechanism (10) is arranged on the column (1); The vertical drive mechanism (10) comprises a vertical slide rail (5), a vertical slider (6) slidably mounted on the vertical slide rail (5), a vertical rack (7) mounted parallel to the vertical slide rail (5), and a vertical drive motor (8) mounted on the working arm (2); the working arm (2) is fixedly mounted on the vertical slider (6); a vertical drive gear (9) is mounted on the output end of the vertical drive motor (8); and the vertical drive gear (9) is meshed with the vertical rack (7).

2. The automatic welding robot with a lifting and rotating mechanism as claimed in claim 1, characterized in that: The slewing mechanism (4) comprises a slewing bearing (11), the slewing bearing (11) comprising an outer ring (12) which is fixedly mounted and an inner ring (13) which is rotatably mounted in the outer ring (12), the outer periphery of the outer ring (12) being provided with external teeth (14), a slewing drive motor (15) being provided at the bottom of the column (1), a slewing drive gear (16) being mounted at the output end of the slewing drive motor (15), and the slewing drive gear (16) being meshed with the external teeth (14).

3. An automatic welding robot with a lifting and rotating mechanism as claimed in claim 2, characterized in that: An air collecting hood (17) is arranged above the welding robot (3), and the air collecting hood (17) is connected to the fan via an exhaust pipe.

4. The automatic welding robot with a lifting and rotating mechanism as claimed in claim 3, characterized in that: The welding robot (3) comprises a manipulator (20) and a welding gun (18) mounted at the end of the manipulator (20); a welding gun replacement rack (19) is provided on the column (1), and a welding gun to be replaced is placed on the welding gun replacement rack (19).

5. The automatic welding robot with a lifting and rotating mechanism as claimed in claim 4, characterized in that: A welding wire disc (21) is provided at the bottom of the column (1).

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