Robot welding positioning tool for tail frame of loading machine

Abstract

The utility model discloses a robot welding positioning tool for a loader tail frame, the loader tail frame comprises an XY direction bottom plate, a plurality of XZ direction vertical plates and a plurality of YZ direction vertical plates which are welded and enclosed to form a multi-surface three-dimensional structure with an open top, the positioning tool comprises a hollow supporting plate, sliding hanging boxes extending in the Z direction are fixedly arranged at the two ends of the X direction of the hollow supporting plate, and the sliding hanging boxes extend in the Y direction of the hollow supporting plate. Clamping and fixing supports for clamping and positioning the XZ-direction vertical plate are arranged on the two sides of the top face of the hollowed-out supporting plate, and a positioning pier for horizontally supporting the XY-direction bottom plate is arranged in the middle of the top face of the hollowed-out supporting plate; the sliding hanging boxes are connected with guide screws in a Y-direction penetrating mode, and the guide screws rotate to provide Y-direction translation power for the sliding hanging boxes and the hollowed-out supporting plate. According to the tool, the XY-direction bottom plate, the XZ-direction vertical plate and the YZ-direction vertical plate in the tail frame of the loading machine can be quickly welded and positioned, and the tool is simple in structure and easy to implement.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding frock technical field, concretely is a kind of robot welding positioning frock of loader tail frame. BACKGROUND

[0002] In the existing robot welding equipment, workpiece is fixed on welding object table, object table Y translation, cooperate with the X translation and Z lifting of welding torch in robot welding equipment, realize workpiece three-axis welding.

[0003] But in the process of welding special-shaped workpiece, a variety of fixtures need to be positioned on the welding object table, which will cause the fixture to be disassembled and repositioned on the object table multiple times, reducing the positioning accuracy of the fixture on the object table, and the existing object table cannot clamp and position the loader tail frame, making it difficult to perform automatic welding operation on the loader tail frame by robot welding equipment. SUMMARY

[0004] The utility model aims at at least one of the technical problems existing in the prior art. To this end, one purpose of the utility model is to provide a robot welding positioning frock of loader tail frame, which can realize quick welding positioning of the XY bottom plate, XZ vertical plate and YZ vertical plate in the loader tail frame, and has simple structure and is easy to implement.

[0005] To solve the above problems, the utility model provides a robot welding positioning frock of loader tail frame, which comprises an XY bottom plate and a plurality of XZ vertical plates and YZ vertical plates welded to form a top-open multi-face three-dimensional structure,

[0006] The positioning frock comprises a hollow supporting plate, both ends of the hollow supporting plate in the X direction are fixedly provided with a Z-directionally extending sliding hanging box, both sides of the top surface of the hollow supporting plate are provided with clamping and positioning XZ vertical plate clamping supports, and the middle part of the top surface of the hollow supporting plate is provided with a positioning column for horizontally supporting the XY bottom plate; a guide screw is connected to the sliding hanging box in the Y direction, and the Y-directional translational force of the sliding hanging box and the hollow supporting plate is provided by the rotation of the guide screw.

[0007] Preferably, the clamping support Z directionally abuts and positions the front and rear support plates of the XZ vertical plate, wherein both ends of the front and rear support plates in the Y direction are penetrated and connected with Y-directional threaded jacks; both ends of the top surface of the front support plate are provided with Z-directionally concave positioning grooves for inserting and positioning the XZ vertical plate, and the Y-directional threaded jacks are penetrated and supported in the positioning grooves.

[0008] Preferably, both ends of the rear support plate in the Y direction are fixedly provided with a plurality of X-, Y- and Z-directionally extending elevated vertical plates, and the X-directional threaded jacks, Y-directional inner struts and Y-directional threaded jacks for clamping the XZ vertical plate are respectively penetrated and threadedly connected to the elevated vertical plates.

[0009] Preferably, the top of the positioning pier is threadedly connected with a positioning bolt, which positions the clamped XY-direction bottom plate in the XY plane in cooperation with the top surface of the positioning pier.

[0010] Compared with the prior art, the utility model has the advantages of:

[0011] The utility model relates to a robot welding positioning tool of a loader tail frame, which provides Y-direction overall translational force through the thread connection of the guide screw rod and the sliding hanging box, provides Z-direction support through the hollow supporting plate for the clamping support and the positioning pier, the positioning groove of the front supporting plate cooperates with the Y-direction threaded top rod to clamp and position one end of the XZ-direction vertical plate, the X-direction threaded top rod of the rear supporting plate, the Y-direction inner support rod and the Y-direction threaded top rod clamp and position the other end of the XZ-direction vertical plate, the XY-direction bottom plate is positioned on the positioning pier and is shrunk tightly through the positioning bolt, and finally, two YZ-direction vertical plates are lapped and positioned based on the two parallel XZ-direction vertical plates, so that the positioning and splicing of the loader tail frame on the positioning tool are completed. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0013] Figure 1 It is a three-dimensional structural schematic view (loader tail frame positioning attitude) of the utility model;

[0014] Figure 2 It is a three-dimensional structural schematic view of the utility model;

[0015] Figure 3 It is a side view (loader tail frame positioning attitude) of the utility model;

[0016] Figure 4 It is a side view of the utility model;

[0017] Figure 5 It is Figure 2 It is a local enlarged view of A in the middle;

[0018] Figure 6 It is Figure 2 It is a local enlarged view of B in the middle;

[0019] In the figure: 1-YZ vertical plate; 2-XZ vertical plate; 3-XY bottom plate; 4-back support plate; 5-hollow supporting plate; 6-front support plate; 7-sliding hanging box; 8-guide screw; 9-positioning pier; 10-positioning bolt; 11-Y-direction inner supporting rod; 12-X-direction threaded ejector rod; 13-Y-direction threaded ejector rod; 14-raised vertical plate. DETAILED DESCRIPTION

[0020] The embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0021] The utility model is further described in detail below in combination with the drawings.

[0022] In combination Figures 1-6 The utility model provides a robot welding positioning tool of loader tail frame, the loader tail frame includes XY bottom plate 3 and a plurality of XZ vertical plate 2, YZ vertical plate 1 welding and enclose the top open multi -sided structure,

[0023] Positioning tool includes hollow supporting plate 5, and the both ends of the hollow supporting plate are fixed with Z-direction extension sliding hanging box 7, and the both sides of the top surface of the hollow supporting plate are provided with clamping positioning XZ vertical plate clamping support, and the middle part of the top surface of the hollow supporting plate is provided with positioning pier 9 for horizontally supporting XY bottom plate, and the sliding hanging box is connected with guide screw 8 in Y direction, and the sliding hanging box and the hollow supporting plate are provided with Y-direction translational force by the rotation of the guide screw.

[0024] Preferably, the clamping support Z direction is attached and positioned to support the front support plate 6 and the rear support plate 4 of the XZ vertical plate, wherein the Y-direction both ends of the front support plate and the rear support plate are penetrated and connected with Y-direction threaded ejector rod; the both ends of the top surface of the front support plate are provided with Z-direction concave positioning groove for inserting and positioning XZ vertical plate, and the Y-direction threaded ejector rod is penetrated and supported in the positioning groove.

[0025] Preferably, the Y-direction both ends of the rear support plate are fixed with a plurality of X-direction, Y-direction and Z-direction extension raised vertical plates 14, and the X-direction threaded ejector rod 12, Y-direction inner supporting rod 11 and Y-direction threaded ejector rod 13 for clamping XZ vertical plate are respectively penetrated and threadedly connected to the raised vertical plates.

[0026] Preferably, the top of the positioning pier is threadedly connected with the positioning bolt 10, and the positioning bolt cooperates with the top surface of the positioning pier to position and clamp the XY bottom plate in XY plane.

[0027] The working principle of the utility model is as follows:

[0028] 1. First, the XY bottom plate is placed on the positioning pier, and the positioning is preliminarily compressed by the positioning bolt;

[0029] 2. Then, the two XZ vertical plates are placed into the positioning groove, and the Y-threaded top rod of the front support plate is used for preliminary support positioning;

[0030] 3. Then, the X-threaded top rod, Y-inward support rod and Y-threaded top rod of the rear support plate are used for accurate positioning of the other end of the XZ vertical plate, so that the two parallel positioned XZ vertical plates are respectively attached to the two parallel edges of the XY bottom plate;

[0031] 4. Finally, the YZ vertical plate is overlapped and positioned on the XZ vertical plate, and thus the tool positioning of the loader tail frame is completed;

[0032] 5. The rotation guide screw drives the sliding hanging box, the hollow hanging plate and the loader tail frame positioned thereon to move along the Y direction to the welding processing area of the robot welding equipment.

[0033] The above describes the present application and its embodiments, which are not limited, and the embodiments shown in the drawings are only one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired by this, without departing from the spirit of the present application, similar structural modes and embodiments can be designed without creative design, which should belong to the protection scope of the present application.

Claims

1. A robot welding positioning tool for a loader tail frame, the loader tail frame comprising a top open multi-faceted structure welded by an XY-direction base plate and a plurality of XZ-direction vertical plates and YZ-direction vertical plates, characterized in that: the positioning tool comprises a hollow supporting plate, both ends of the hollow supporting plate in the X-direction are fixedly provided with Z-direction extension sliding hanging boxes, both sides of the top surface of the hollow supporting plate are provided with clamping positioning XZ-direction vertical plate clamping supports, and the middle of the top surface of the hollow supporting plate is provided with a positioning column for horizontally supporting the XY-direction base plate; the sliding hanging boxes are all connected with guide screws penetrating in the Y-direction, and the guide screws provide Y-direction translational force for the sliding hanging boxes and the hollow supporting plate.

2. A robotic welding fixture for a loader tail frame as set forth in claim 1, characterized in that: the clamping supports are Z-directionally attached to and positionally support the front and rear vertical plates of the XZ-direction vertical plates, both ends of the front and rear vertical plates in the Y-direction are all connected with Y-direction threaded tappets penetrating therein; both ends of the top surface of the front vertical plate are provided with Z-direction downward recessed positioning grooves for inserting and positioning the XZ-direction vertical plates, and the positioning grooves are penetrated by Y-direction threaded tappets.

3. A robotic welding fixture for a loader tail frame as set forth in claim 2, characterized in that: both ends of the rear vertical plate in the Y-direction are fixedly provided with a plurality of X-direction, Y-direction and Z-direction extension elevated vertical plates, the elevated vertical plates are respectively penetrated and threadedly connected with X-direction threaded tappets, Y-direction inner struts and Y-direction threaded tappets for clamping the XZ-direction vertical plates.

4. The robotic welding fixture for positioning a loader tail frame of claim 1, wherein: the top of the positioning column is threadedly connected with a positioning bolt, and the positioning bolt positions and clamps the XY-direction base plate in the XY plane together with the top surface of the positioning column.

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