Portal frame type welding robot

Abstract

The utility model relates to the technical field of machining equipment, and provides a portal frame type welding robot, which comprises a portal frame, a moving mechanism, a counterweight mechanism and a welding robot, a transverse guide rail is arranged on the portal frame, the moving mechanism is connected with the guide rail, and the moving mechanism can move relative to the portal frame; the moving mechanism comprises a moving plate and a longitudinal beam, the moving plate is connected with the guide rail and the longitudinal beam, the moving plate can drive the longitudinal beam to move, and one end of the longitudinal beam is connected with the counterweight mechanism; the other end of the longitudinal beam is connected with the welding robot; the balance weight mechanism comprises a driving assembly and a balance weight block, the driving assembly is connected with the balance weight block, and the driving assembly can drive the balance weight block to move. An existing portal frame type welding robot is usually connected with a portal frame through a guide rail, the gravity center of the welding robot usually inclines forwards in the welding work, rail abrasion is different, and finally the welding precision is not enough.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing equipment technical field, especially a portal frame type welding robot. BACKGROUND

[0002] At present, industrial robot is a multipurpose, repeatable programming automatic control operating machine, and the welding robot is the last shaft flange of the industrial robot connected with the welding gun or welding tongs, so that it can carry out welding, has three or more programmable axes, is flexible and changeable, and can be suitable for different angle processing and be used in industrial automation field.

[0003] CN213945387A discloses a portal welding robot, which comprises a portal frame, a transverse guide rail is arranged on the portal frame, a longitudinal beam is arranged on the transverse sliding base plate, a welding assembly and a counterweight assembly are arranged on the longitudinal beam at the front and rear sides of the portal frame respectively, a longitudinal guide rail is arranged on the longitudinal beam, a vertical plate is installed on the longitudinal guide rail through a longitudinal sliding block, and a lifting motor and a longitudinal motor are arranged on the vertical plate.

[0004] The main structure of the existing welding robot is usually made of cast iron, so that the welding robot itself has a great weight. In actual welding work, the robot is in a forward-leaning posture, so that the overall center of gravity of the robot is forward, and the welding robot is usually connected with the portal frame through a track, which can easily cause serious unilateral wear of the track and affect the welding precision. SUMMARY

[0005] It is found that some portal frame type welding robots are usually connected with the portal frame through a guide rail, and the welding robot usually leans forward during welding work, which causes different wear of the track and finally affects the welding precision. The utility model aims to provide a portal frame type welding robot to at least solve the above technical problems in the prior art.

[0006] The utility model aims at providing a portal frame type welding robot, which comprises a portal frame, a moving mechanism, a counterweight mechanism and a welding robot, a transverse guide rail is arranged on the portal frame, the moving mechanism is connected with the guide rail, and the moving mechanism can move relative to the portal frame; the moving mechanism comprises a moving plate and a longitudinal beam, the moving plate is connected with the guide rail, the moving plate is connected with the longitudinal beam, the moving plate can drive the longitudinal beam to move, one end of the longitudinal beam is connected with the counterweight mechanism, the other end of the longitudinal beam is connected with the welding robot, the counterweight mechanism comprises a driving assembly and a counterweight block, the driving assembly is connected with the counterweight block, and the driving assembly can drive the counterweight block to move.

[0007] In one embodiment, the driving assembly comprises a first driving assembly and a second driving assembly, the first driving assembly is connected with the second driving assembly, the second driving assembly can move relative to the first driving assembly, the second driving assembly is connected with the counterweight, and the second driving assembly can drive the counterweight to move.

[0008] In one embodiment, the first driving assembly is connected with the longitudinal beam perpendicularly.

[0009] In one embodiment, the first driving assembly is connected with the second driving assembly perpendicularly.

[0010] In one embodiment, the first driving assembly is arranged as a lead screw.

[0011] In one embodiment, the second driving assembly is arranged as a servo synchronous belt.

[0012] In one embodiment, the longitudinal beam is further provided with a second guide rail and a vertical column, the vertical column is connected with the longitudinal beam through the second guide rail, and the vertical column can move relative to the longitudinal beam.

[0013] The vertical column is connected with the welding robot, and the vertical column can drive the welding robot to move.

[0014] In one embodiment, a lifting motor is arranged on the vertical column, and the lifting motor can drive the welding robot to move away from or close to the longitudinal beam.

[0015] In one embodiment, limit blocks are arranged at two ends of the portal frame.

[0016] In one embodiment, a mounting seat is further arranged on the moving mechanism, and the mounting seat is connected with the moving plate.

[0017] The utility model provides a portal frame type welding robot, include: portal frame, moving mechanism, counterweight mechanism and welding robot, be provided with horizontal guide rail on the portal frame, moving mechanism with guide rail is connected, moving mechanism can move relative to the portal frame, moving mechanism includes moving plate and longitudinal beam, moving plate with guide rail is connected, moving plate with longitudinal beam is connected, moving plate can drive longitudinal beam moves, longitudinal beam's one end with counterweight mechanism is connected, longitudinal beam's other end with welding robot, counterweight mechanism includes driving assembly and counterweight, driving assembly with counterweight is connected, driving assembly can drive counterweight moves, the welding robot moves on longitudinal beam, driving piece can drive counterweight synchronous movement to adjust gravity center, realizes both ends balance.

[0018] Other features and advantages of the present application will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings, which form a part of this application, are intended to provide further understanding of the application and are incorporated herein for a description of the application. The present application is described and explained with additional specificity and detail through the use of the accompanying drawings in which:

[0020] Figure 1 A structural diagram of a portal frame type welding robot according to the present application;

[0021] Figure 2 A top view of a portal frame type welding robot according to the present application;

[0022] Figure 3 A counterweight mechanism structural diagram of a portal frame type welding robot according to the present application.

[0023] BRIEF DESCRIPTION OF DRAWINGS

[0024] 1, welding robot; 2, longitudinal beam; 20, vertical column; 21, second guide rail; 201, lifting motor; 3, portal frame; 31, limit block; 32, transverse guide rail; 4, counterweight mechanism; 40, first driving assembly; 41, second driving assembly; 42, counterweight block; 5, moving mechanism; 50, moving plate; 51, mounting seat. DETAILED DESCRIPTION

[0025] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely intended to illustrate and explain the present application, and are not intended to limit the present application.

[0026] In order to enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work should belong to the scope of protection of the present application.

[0027] It should be noted that the terms "first", "second", and the like in the description and claims of the present application and above drawings are used to distinguish similar objects, and do not necessarily indicate a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not necessarily limit to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices; "fixed" or "fixedly connected" generally refers to common mechanical connection methods, such as threaded connection, welding or bonding, etc.

[0028] The existing gantry welding robot is usually connected with the gantry through a guide rail, and the welding robot usually tilts forward in the welding work, resulting in different track wear, and finally the welding precision is not enough.

[0029] To solve the above problems, the utility model provides a gantry welding robot, Figure 1 The structure diagram of the plastic cover automatic boxing equipment of the embodiment of the utility model, Figure 2 The side view of the plastic cover automatic boxing equipment of the embodiment of the utility model, Figures 1-3

[0030] The utility model provides a gantry welding robot 1, include: gantry 3, moving mechanism 5, counterweight mechanism 4 and welding robot 1, be provided with horizontal guide rail 32 on the gantry 3, moving mechanism 5 is connected with the guide rail, moving mechanism 5 can move relative to the gantry 3, moving mechanism 5 includes moving plate 50 and longitudinal beam 2, moving plate 50 is connected with the guide rail, moving plate 50 is connected with longitudinal beam 2, moving plate 50 can drive longitudinal beam 2 to move, one end of longitudinal beam 2 is connected with counterweight mechanism 4, the other end of longitudinal beam 2 is connected with welding robot 1, counterweight mechanism 4 includes drive assembly and counterweight block 42, drive assembly is connected with counterweight block 42, and drive assembly can drive counterweight block 42 to move.

[0031] ​In this embodiment, the gantry welding robot comprises a gantry 3, a moving mechanism 5, a counterweight mechanism 4 and a welding robot 1, the gantry 3 is provided with a transverse guide rail 32, the moving mechanism 5 is connected with the gantry 3 through the transverse guide rail 32, and the moving mechanism 5 can move relative to the gantry 3; the moving mechanism 5 comprises a moving plate 50 and a longitudinal beam 2, the moving plate 50 is connected with the longitudinal beam 2, the moving plate 50 can drive the longitudinal beam 2 to move, and the longitudinal beam 2 is perpendicular to the gantry 3; one end of the longitudinal beam 2 is connected with the counterweight mechanism 4, and the other end of the longitudinal beam 2 is connected with the welding robot 1, and the welding robot 1 can move relative to the longitudinal beam 2; when the welding robot 1 is in the welding process, the center of gravity will change, the overall center of gravity will be inclined to the side of the welding robot 1, and the transverse guide rail 32 will be abraded unevenly. The counterweight mechanism 4 comprises a driving assembly and a counterweight block 42, the driving assembly is connected with the counterweight block 42, the driving assembly can drive the counterweight block 42 to move, the weight of the two ends of the longitudinal beam 2 can be adjusted, and balance of the two ends of the longitudinal beam 2 can be realized.

[0032] In one embodiment, the driving assembly comprises a first driving assembly 40 and a second driving assembly 41, the first driving assembly 40 is connected with the second driving assembly 41, the second driving assembly 41 can move relative to the first driving assembly 40, the second driving assembly 41 is connected with the counterweight block 42, and the second driving assembly 41 can drive the counterweight block 42 to move.

[0033] In one embodiment, the first driving assembly 40 is connected with the longitudinal beam 2 perpendicularly.

[0034] In one embodiment, the first driving assembly 40 is connected with the second driving assembly 41 perpendicularly.

[0035] In one embodiment, the first driving assembly 40 is arranged as a lead screw.

[0036] In one embodiment, the second driving assembly 41 is arranged as a servo synchronous belt.

[0037] In the embodiment, the driving assembly includes a first driving assembly 40 and a second driving assembly 41, the first driving assembly 40 is connected with the second driving assembly 41, the second driving assembly 41 can move relative to the first driving assembly 40, the second driving assembly 41 is connected with the counterweight 42, and the second driving assembly 41 can drive the counterweight to move; the first driving assembly 40 is connected with the longitudinal beam 2 perpendicularly, and the first driving assembly 40 is parallel to the longitudinal beam 2; the first driving assembly 40 is connected with the second driving assembly 41 perpendicularly, and the second driving assembly 41 can move relative to the first driving assembly 40; the first driving assembly 40 is arranged as a screw rod, rotation of the screw rod can drive the second driving assembly 41 to move away from or close to the longitudinal beam 2, and the screw rod transmits more stably. The second driving assembly 41 is arranged as a servo synchronous belt, and the servo synchronous belt can drive the counterweight 42 to move away from or close to the first driving assembly 40. When the welding robot 1 moves away from the gantry 3, the screw rod is rotated to drive the second driving assembly 41 to move away from the longitudinal beam 2, when the second driving assembly 41 moves to a specified position, the second driving assembly 41 drives the counterweight 42 to move away from the first driving assembly 40, so that the gravity center is adjusted.

[0038] In one embodiment, the longitudinal beam 2 is further provided with a second guide rail 21 and a vertical column 20, the longitudinal beam 2 is connected with the vertical column 20 through the second guide rail 21, and the vertical column 20 can move relative to the longitudinal beam 2; the vertical column 20 is connected with the welding robot 1, and the vertical column 20 can drive the welding robot 1 to move.

[0039] In the embodiment, the longitudinal beam 2 is provided with the second guide rail 21 and the vertical column 20, the vertical column 20 is connected with the longitudinal beam 2 through the second guide rail 21, the vertical column 20 can move translationally relative to the longitudinal beam 2, the vertical column 20 can move away from or close to the gantry 3, the vertical column 20 is connected with the welding robot 1, and the vertical column 20 can drive the welding robot 1 to move.

[0040] In one embodiment, the vertical column 20 is provided with a lifting motor 201, and the lifting motor 201 can drive the welding robot 1 to move away from or close to the longitudinal beam 2.

[0041] In the embodiment, the vertical column 20 is provided with the lifting motor 201, the lifting motor 201 can drive the vertical column 20 to move perpendicularly to the longitudinal beam 2, the vertical column 20 can drive the welding robot 1 to move away from or close to the workpiece to be welded, and the welding robot 1 can weld in a wider range.

[0042] In one embodiment, the gantry 3 is provided with a limiting block 31 at each end.

[0043] In the embodiment, the gantry 3 is provided with the limiting block 31 at each end, which is used to limit the movement of the moving mechanism 5 and avoid the moving mechanism 5 from being separated from the transverse guide rail 32.

[0044] In one embodiment, the moving mechanism 5 is further provided with a mounting seat connected with the moving plate 50.

[0045] In this embodiment, the moving mechanism 5 is further provided with a mounting seat 51 connected with the moving plate 50, the moving plate 50 can drive the mounting seat 51 to move, the mounting seat 51 is provided with two, the mounting seat 51 is used for placing the electric welding machine and the wire feeding mechanism, the electric welding machine and the wire feeding mechanism can move together with the moving mechanism 5, so that the welding is more stable.

[0046] It should be noted that, for the foregoing method embodiments, in order to simply describe, they are all expressed as a series of action combinations, but those skilled in the art should know that the present application is not limited by the action sequence described, because according to the present application, certain steps can be performed in other sequences or simultaneously. Secondly, those skilled in the art should know that the embodiments described in the specification all belong to preferred embodiments, and the actions and modules involved are not necessarily necessary for the present application.

[0047] In the above embodiments, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.

[0048] In the several embodiments provided by the present application, it should be understood that the disclosed device can be implemented in other ways. For example, the device embodiments described above are only schematic. The division of the units is only a logical function division. There can be another division manner for actual implementation, for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the displayed or discussed mutual couplings or direct couplings or communication connections between the units can be indirect couplings or communication connections through some interfaces, devices or units, and can be electrical or other forms.

[0049] The units described as separate components can or can not be physically separate, and the components displayed as units can or can not be physical units, that is, they can be located in one place, or can be distributed on a plurality of network units. According to actual needs, part or all of the units can be selected to achieve the purpose of the embodiment scheme.

[0050] In addition, each functional unit in each embodiment of the present application can be integrated in one processing unit, or each unit can exist physically, or two or more units can be integrated in one unit. The above integrated unit can be realized in the form of hardware, or in the form of software functional unit.

[0051] The integrated unit, if implemented in the form of a software function unit and sold or used as an independent product, can be stored in a computer readable storage medium. Based on such an understanding, the technical solutions of the present application essentially or in other words the part that contributes to the prior art or the whole or part of the technical solutions can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes a plurality of instructions for causing a computer device (which can be a personal computer, a mobile terminal, a server or a network device, etc.) to execute all or part of the steps of the method described in each embodiment of the present application.

[0052] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A gantry-type welding robot, characterized in that, include: The gantry (3), the moving mechanism (5), the counterweight mechanism (4) and the welding robot (1) are provided. The gantry (3) is provided with a transverse guide rail (32). The moving mechanism (5) is connected to the transverse guide rail (32). The moving mechanism (5) can move relative to the gantry (3). The moving mechanism (5) includes a moving plate (50) and a longitudinal beam (2). The moving plate (50) is connected to the guide rail and the longitudinal beam (2). The moving plate (50) can drive the longitudinal beam (2) to move. One end of the longitudinal beam (2) is connected to the counterweight mechanism (4), and the other end of the longitudinal beam (2) is connected to the welding robot (1). The counterweight mechanism (4) includes a drive component and a counterweight block (42). The drive component is connected to the counterweight block (42) and the drive component can drive the counterweight block (42) to move.

2. The gantry welding robot according to claim 1, characterized in that, The driving component includes a first driving component (40) and a second driving component (41). The first driving component (40) is connected to the second driving component (41). The second driving component (41) is capable of moving relative to the first driving component (40). The second driving component (41) is connected to the counterweight (42). The second driving component (41) is capable of driving the counterweight (42) to move.

3. The gantry welding robot according to claim 2, characterized in that, The first drive assembly (40) is perpendicularly connected to the longitudinal beam (2).

4. The gantry welding robot according to claim 2, characterized in that, The first drive component (40) is vertically connected to the second drive component (41).

5. The gantry welding robot according to claim 4, characterized in that, The first drive component (40) is configured as a lead screw.

6. The gantry welding robot according to claim 4, characterized in that, The second drive component (41) is configured as a servo synchronous belt.

7. The gantry welding robot according to claim 1, characterized in that, The longitudinal beam (2) is also provided with a second guide rail and a vertical column (20). The vertical column (20) is connected to the longitudinal beam (2) through the second guide rail (21). The vertical column (20) can move relative to the longitudinal beam (2). The vertical column (20) is connected to the welding robot (1), and the vertical column (20) can drive the welding robot (1) to move.

8. The gantry welding robot according to claim 7, characterized in that, A lifting motor (201) is provided on the vertical column (20), and the lifting motor (201) can drive the welding robot (1) to move away from or close to the longitudinal beam (2).

9. The gantry welding robot according to claim 1, characterized in that, Limit blocks (31) are provided at both ends of the gantry frame (3).

10. The gantry welding robot according to claim 1, characterized in that, The moving mechanism (5) is also provided with a mounting base (51), which is connected to the moving plate (50).

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