Turnover positioning device for robot welding
By designing a flip positioning device for welding of robots including flip components and positioning components, the problem of difficult welding and inaccurate flip angle measurement on the back of the workpiece after flipping in the prior art is solved, and accurate flip and efficient welding of the workpiece are achieved.
Patent Information
- Application Number
- CN202421167133.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-05-27
AI Technical Summary
When the existing robot welding device flips the workpiece, it is not convenient to directly weld the back of the workpiece, and it is difficult to accurately measure the flip angle, resulting in welding accuracy errors.
A flip positioning device for robot welding is designed. Through the coordination of the flip assembly and the positioning assembly, the precise flip and positioning of the workpiece is achieved using elements such as cylinders, dual-axis motors, angle sensors and position sensors.
Direct welding on the back of the workpiece is realized, and precise measurement of the flip angle is improved, welding accuracy is reduced, welding time and error are reduced.
Smart Images
Figure CN222449036U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of robot welding, in particular to a flip positioning device for robot welding. Background Art
[0002] A robotic welding device is a device specially designed for automatic welding tasks. It is usually composed of a robot, welding tools, a control system and safety devices. This device can realize automated welding operations, including positioning of workpieces, identification of welding joints, adjustment of welding parameters and other functions. By using a robotic welding device, welding production efficiency can be improved, labor costs can be reduced, and welding quality and consistency can be guaranteed.
[0003] The robot welding device in the prior art needs to flip the workpiece when welding the workpiece, so as to facilitate welding on both the front and back sides of the workpiece. The existing welding device fixes the workpiece in a way that is not convenient for welding on the back side of the workpiece. The workpiece needs to be disassembled and reinstalled, which easily wastes welding time and is prone to errors. At the same time, the existing welding device is not convenient for accurately measuring the flipping angle, which makes the robot prone to precision errors when welding. To this end, we provide a flip positioning device for robot welding to solve the above problems. Utility Model Content
[0004] The purpose of the utility model is to provide a flipping and positioning device for robot welding. Through the coordinated arrangement of a flipping component and a positioning component, the utility model solves the problems in the prior art of robot welding devices that it is inconvenient to directly weld the back of the workpiece after the workpiece is flipped, and it is inconvenient to accurately measure the flipping angle of the workpiece.
[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:
[0006] The utility model is a flip positioning device for robot welding, comprising a workbench, one side of the top of the workbench is fixedly connected to a bracket, and the front end of the other side of the top of the workbench is fixedly connected to a support plate;
[0007] A flip assembly is provided on the top of the support plate, and the flip assembly includes a cylinder, the cylinder is fixed to the top of the support plate, one end of the cylinder is fixedly connected to a push plate, one side of the top of the workbench is fixedly connected to a limit plate, the top of the limit plate is slidably connected to a tooth plate, the top of the bracket inner cavity is movably connected to a rotating rod, and a fixing piece is provided on the surface of the rotating rod;
[0008] The rotating rod surface is provided with a positioning assembly, and the positioning assembly includes an angle sensor, and the angle sensor is fixed on both sides of the rotating rod surface. A controller is fixedly connected to the bottom of one side of the bracket, and the output end of the angle sensor is unidirectionally electrically connected to the input end of the controller.
[0009] The utility model is further configured as follows: the fixing part includes a limit box, the limit box is fixed to the surface of the rotating rod, a dual-axis motor is arranged at the center of the inner cavity of the limit box, a lead screw is fixedly connected to the output end of the dual-axis motor, a sliding sleeve is fixedly connected to the front side of the lead screw, and a splint is fixedly connected to the front end of one side of the sliding sleeve.
[0010] The utility model is further configured that one end of the rotating rod extends to the outside of the bracket, one end of the rotating rod is fixedly connected to a gear, and the gear is meshed with a toothed plate.
[0011] The utility model is further configured that a placement groove is opened on one side of the inner cavity of the splint, a position sensor is fixedly connected to the inner cavity of the placement groove, and the output end of the position sensor is unidirectionally electrically connected to the input end of the controller.
[0012] The utility model is further configured that a slide groove is provided on the top of the inner cavity of the limit plate, the bottom of the tooth plate is fixedly connected to a limit strip, and the surface of the limit strip is slidably connected to the inner cavity of the slide groove.
[0013] The utility model is further configured that an extension groove is provided on the front side of the inner cavity of the limit box, and the front side of the sliding sleeve extends to the outside of the limit box through the extension groove.
[0014] The utility model is further configured that a connecting block is fixedly connected to one side of the front side of the push plate, and the front side of the connecting block is fixed to the back side of the tooth plate.
[0015] The utility model is further configured that a fixing block is fixedly connected to the bottom of the inner cavity of the limit box, and the top of the fixing block is fixed to the bottom of the dual-axis motor.
[0016] The utility model has the following beneficial effects:
[0017] 1. The utility model is driven by a dual-axis motor and can rotate the lead screw to cause the two sleeves to move relative to each other, so that the clamping plate can clamp and fix the workpiece. The cylinder can move the tooth plate, thereby driving the gear to rotate, and the limit box can be driven to rotate through the rotating rod, so that the workpiece can be flipped.
[0018] 2. The utility model can drive the limit box to rotate through the rotating rod, so as to flip the workpiece. The angle of rotation of the workpiece can be transmitted to the controller in the form of electrical signals through the angle sensors on both sides of the rotating rod surface. The position sensor on one side of the inner cavity of the splint can monitor the position of the workpiece during flipping to prevent the workpiece from position deviation during flipping.
[0019] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0021] Figure 1 The present invention is a structural stereogram of a flip positioning device for robot welding.
[0022] Figure 2 The present invention is a front view schematic diagram of a workbench in a flip positioning device for robot welding.
[0023] Figure 3 This is a schematic diagram of a tooth plate in a flip positioning device for robot welding.
[0024] Figure 4 This is a schematic diagram of a limit box in a flip positioning device for robot welding.
[0025] Figure 5 The figure is a cross-sectional view of a limit box in a flip positioning device for robot welding.
[0026] In the attached figure: 1. workbench; 2. bracket; 3. support plate; 4. cylinder; 5. push plate; 6. limit plate; 7. tooth plate; 8. rotating rod; 9. angle sensor; 10. controller; 11. limit box; 12. dual-axis motor; 13. lead screw; 14. sleeve; 15. splint; 16. gear; 17. position sensor; 18. connecting block. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Specific embodiment 1
[0029] See also Figure 1-5 The utility model is a flip positioning device for robot welding, comprising a workbench 1, a bracket 2 is fixedly connected to one side of the top of the workbench 1, and a support plate 3 is fixedly connected to the front end of the other side of the top of the workbench 1;
[0030] A flip assembly is provided on the top of the support plate 3, and the flip assembly includes a cylinder 4, which is fixed to the top of the support plate 3, and one end of the cylinder 4 is fixedly connected to a push plate 5, one side of the top of the workbench 1 is fixedly connected to a limit plate 6, and the top of the limit plate 6 is slidably connected to a tooth plate 7, and the top of the inner cavity of the bracket 2 is movably connected to a rotating rod 8, and a fixing piece is provided on the surface of the rotating rod 8;
[0031] A positioning assembly is provided on the surface of the rotating rod 8, and the positioning assembly includes an angle sensor 9. The angle sensor 9 is fixed on both sides of the surface of the rotating rod 8. A controller 10 is fixedly connected to the bottom of one side of the bracket 2, and the output end of the angle sensor 9 is unidirectionally electrically connected to the input end of the controller 10.
[0032] Specifically: the support plate 3 is fixed at the front left side of the top of the workbench 1, and the top is fixedly connected with a cylinder 4. The limit plate 6 is fixed at the left side of the top of the workbench 1, and is located on the right side of the support plate 3, so that the cylinder 4 can drive the tooth plate 7 to move. The front left side of the push plate 5 is fixed to one end of the cylinder 4, and the front right side is connected to the back of the tooth plate 7 through a connecting block 18 to drive the tooth plate 7 to move. One end of the rotating rod 8 extends to the outside of the bracket 2, and the other end is rotatably connected to the top of one side of the support through a bearing. Angle sensors 9 are fixedly connected on both sides of the surface of the rotating rod 8 to monitor the rotation angle of the rotating rod 8. Specific embodiment 2
[0034] See also Figure 1-5 On the basis of the specific embodiment 1, the fixing part includes a limit box 11, the limit box 11 is fixed to the surface of the rotating rod 8, a dual-axis motor 12 is arranged at the center of the inner cavity of the limit box 11, the output end of the dual-axis motor 12 is fixedly connected to a lead screw 13, the front side of the lead screw 13 is fixedly connected to a sliding sleeve 14, the front end of one side of the sliding sleeve 14 is fixedly connected to a clamping plate 15, one end of the rotating rod 8 extends to the outside of the bracket 2, one end of the rotating rod 8 is fixedly connected to a gear 16, the gear 16 is meshed with the gear plate 7, a placement groove is opened on one side of the inner cavity of the clamping plate 15, a position sensor 17 is fixedly connected to the inner cavity of the placement groove, and the output end of the position sensor 17 is unidirectionally electrically connected to the input end of the controller 10.
[0035] Specifically: the limit box 11 is fixed at the front end of the surface of the rotating rod 8, one end of the lead screw 13 is fixed to the output end of the dual-axis motor 12, and the other end is rotatably connected to one side of the inner cavity of the limit box 11 through a bearing, and the two output ends of the dual-axis motor 12 are fixedly connected with the lead screw 13, and the front side of the sliding sleeve 14 extends out of the limit box 11 for a certain distance so that the clamping plate 15 can clamp a relatively large workpiece, the gear 16 is fixed at one end of the rotating rod 8 and meshes with the tooth plate 7, so that the tooth plate 7 moves to drive the gear 16 to rotate, and the position sensor 17 is fixed in the inner cavity of the placement groove, and the workpiece will not contact the position sensor 17 when the clamping plate 15 clamps the workpiece. Specific embodiment three
[0037] See also Figure 1-5 On the basis of the first and second specific embodiments, a slide groove is provided at the top of the inner cavity of the limit plate 6, a limit strip is fixedly connected to the bottom of the tooth plate 7, the surface of the limit strip is slidably connected to the inner cavity of the slide groove, an extension groove is provided at the front of the inner cavity of the limit box 11, and the front of the sliding sleeve 14 extends to the outside of the limit box 11 through the extension groove, a connecting block 18 is fixedly connected to one side of the front of the push plate 5, the front of the connecting block 18 is fixed to the back of the tooth plate 7, a fixing block is fixedly connected to the bottom of the inner cavity of the limit box 11, and the top of the fixing block is fixed to the bottom of the dual-axis motor 12.
[0038] Specifically: the sliding groove enables the tooth plate 7 to slide on the top of the limit plate 6, and the tooth plate 7 can be limited by the limit bar, the extension groove enables the sliding sleeve 14 to extend out of the limit box 11, and one side of the surface of the sliding sleeve 14 slides in the inner cavity of the extension groove, and the extension groove can limit the movement of the sliding sleeve 14 on the surface of the screw 13. The connecting block 18 enables the front side of the push plate 5 to be connected to the back of the tooth plate 7 to facilitate the movement of the tooth plate 7. The fixed block is located at the bottom center of the inner cavity of the limit box 11, and provides support for the dual-axis motor 12.
[0039] The working principle of the utility model is as follows: when it is necessary to flip and position the workpiece to be welded by the robot, first the workpiece is placed between the two clamping plates 15, and then the dual-axis motor 12 is started, the dual-axis motor 12 drives the lead screw 13 to rotate, the lead screw 13 drives the sliding sleeve 14 to move, the sliding sleeve 14 drives the clamping plate 15 to move, and the two clamping plates 15 move relative to each other to clamp the workpiece. When the workpiece needs to be flipped, the cylinder 4 can be started through the external control system, the cylinder 4 drives the push plate 5 to move, the push plate 5 drives the toothed plate 7 to move on the top of the limit plate 6, the toothed plate 7 drives the gear 16 to rotate, the gear 16 drives the rotating rod 8 to rotate, the rotating rod 8 drives the limit box 11 to rotate, and the limit box 11 drives the workpiece to rotate. During flipping, the position sensor 17 and the angle sensor 9 are used to monitor whether the workpiece has position deviation and the flipping angle of the workpiece, and display it through the controller 10, so as to position the workpiece while flipping it to ensure that the flipping work is carried out normally.
[0040] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. 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 above 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.
[0041] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A robot welding flip positioning device, comprising a workbench (1), characterized in that: A bracket (2) is fixedly connected to one side of the top of the workbench (1), and a support plate (3) is fixedly connected to the front end of the other side of the top of the workbench (1); A flip assembly is arranged on the top of the support plate (3), and the flip assembly comprises a cylinder (4), the cylinder (4) is fixed on the top of the support plate (3), one end of the cylinder (4) is fixedly connected to a push plate (5), one side of the top of the workbench (1) is fixedly connected to a limit plate (6), the top of the limit plate (6) is slidably connected to a tooth plate (7), the top of the inner cavity of the bracket (2) is movably connected to a rotating rod (8), and a fixing part is arranged on the surface of the rotating rod (8); The surface of the rotating rod (8) is provided with a positioning component, and the positioning component includes an angle sensor (9). The angle sensor (9) is fixed on both sides of the surface of the rotating rod (8). The bottom of one side of the bracket (2) is fixedly connected with a controller (10), and the output end of the angle sensor (9) is unidirectionally electrically connected to the input end of the controller (10).
2. A robot welding flip positioning device according to claim 1, characterized in that: The fixing member comprises a limit box (11), the limit box (11) is fixed to the surface of the rotating rod (8), a double-axis motor (12) is arranged at the center of the inner cavity of the limit box (11), a lead screw (13) is fixedly connected to the output end of the double-axis motor (12), a sliding sleeve (14) is fixedly connected to the front side of the lead screw (13), and a clamping plate (15) is fixedly connected to the front end of one side of the sliding sleeve (14).
3. The flip positioning device for robot welding according to claim 1, characterized in that: One end of the rotating rod (8) extends to the outside of the bracket (2), and one end of the rotating rod (8) is fixedly connected to a gear (16), and the gear (16) is meshed with the toothed plate (7).
4. A robot welding flip positioning device according to claim 2, characterized in that: A placement groove is provided on one side of the inner cavity of the clamping plate (15), a position sensor (17) is fixedly connected to the inner cavity of the placement groove, and an output end of the position sensor (17) is unidirectionally electrically connected to an input end of the controller (10).
5. The flip positioning device for robot welding according to claim 1, characterized in that: A slide groove is provided at the top of the inner cavity of the limit plate (6), and a limit strip is fixedly connected to the bottom of the tooth plate (7), and the surface of the limit strip is slidably connected to the inner cavity of the slide groove.
6. The flip positioning device for robot welding according to claim 2, characterized in that: An extension groove is provided on the front side of the inner cavity of the limit box (11), and the front side of the sliding sleeve (14) extends to the outside of the limit box (11) through the extension groove.
7. The flip positioning device for robot welding according to claim 2, characterized in that: A connection block (18) is fixedly connected to one side of the front of the push plate (5), and the front of the connection block (18) is fixed to the back of the tooth plate (7).
8. The flip positioning device for robot welding according to claim 2, characterized in that: A fixing block is fixedly connected to the bottom of the inner cavity of the limit box (11), and the top of the fixing block is fixed to the bottom of the dual-axis motor (12).