Positioner positioning tool for robot welding of tail frame of loading machine
By designing a positioner positioning fixture for robotic welding of the loader's tail frame, and utilizing a combined structure of an XY-axis base plate, an XZ-axis vertical plate, and a YZ-axis vertical plate, the problem of positioning and flipping the loader's tail frame during the welding process was solved, thereby improving positioning accuracy and welding efficiency.
Patent Information
- Application Number
- CN202520392792.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-03-07
AI Technical Summary
In the existing technology, it is difficult to achieve precise positioning and flipping of the loader tail frame during the welding process, which leads to multiple disassembly and assembly of tooling fixtures, reduces positioning accuracy, and makes it impossible to effectively clamp and flip the loader tail frame.
Design a positioner positioning fixture for robotic welding of the loader's tail frame. Through a combination structure of XY-axis base plate, XZ-axis vertical plate and YZ-axis vertical plate, combined with components such as hollow support plate and pressure plate, the fixture achieves multi-faceted three-dimensional positioning of the loader's tail frame and adjusts and fixes it on the positioner's power output arm.
It enables precise positioning and flipping of the loader's tail frame, improves the positioning accuracy of tooling fixtures, simplifies the welding process of the loader's tail frame, and avoids interference with the weld path.
Smart Images
Figure CN223819994U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to welding frock technical field, concretely is a kind of tail frame robot welding of loader positioner frock. BACKGROUND
[0002] In the existing three-dimensional structure workpiece welding process, first positioning splicing into workpiece assembly on frock, then spot welding positioning is carried out to the assembly, and then welding is carried out to the joint between workpiece assembly according to the direction of weld.
[0003] Various frock clamps need to be positioned on the welding loading platform, which will cause the frock clamps to be disassembled and repositioned multiple times on the loading platform, reducing the positioning accuracy of the frock clamps on the loading platform, and the existing loading platform cannot clamp and position the loader tail frame, making it difficult to flip and position the loader tail frame. 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 positioner frock for robot welding of loader tail frame, which can clamp and position the loader tail frame temporarily reinforced by spot welding on the power output arm of the positioner, and has simple structure and is easy to implement.
[0005] To solve the above problems, the utility model provides a positioner frock for robot welding of loader tail frame, which is arranged on the power output arm of the positioner, and the loader tail frame positioned on the frock is temporarily fixed by spot welding by XY bottom plate and a plurality of XZ vertical plates and YZ vertical plates to form a top-open multi-faceted three-dimensional structure, and the frock comprises a hollow tray, which is adjusted and connected to the power output arm of the positioner along the Y direction, and a front end plate, a steel pier and a rear end plate are sequentially and fixedly arranged on the hollow tray and extend in the Y direction and are parallel and spaced apart in the X direction.
[0006] The top of the front end plate is fixedly provided with a screw rod extending in the Z direction, and the top of the screw rod is adjustably connected with a pressing plate for pressing and positioning the XZ vertical plate in the Z direction.
[0007] The front end plate and the rear end plate provide Z-direction support and Y-direction clamping positioning for the XZ vertical plates of the loader tail frame.
[0008] The steel pier provides Z-direction pressing and positioning for the XY bottom plate.
[0009] Preferably, a Z-direction recessed mounting groove is formed on the power output arm of the positioner, a mounting plate with a plurality of bolt positioning holes is fixedly arranged in the mounting groove, the top surface of the mounting plate is flush with the groove top of the mounting groove, and a hollow supporting plate is adjustably and boltedly connected to the mounting plate in the Y direction.
[0010] Preferably, the top of the front end plate and the rear end plate is threadedly penetrated and connected with a top bolt in the Y direction.
[0011] Preferably, a pressing plate is boltedly connected to the top of the steel pier, and the pressing plate is pressed and positioned on the XY plane.
[0012] Preferably, lifting lugs for lifting and transferring the pressing plate are symmetrically and fixedly arranged at the top of the pressing plate, and reinforcing plates for preventing the pressing plate from being bent under stress are symmetrically and fixedly arranged at the bottom of the pressing plate.
[0013] Compared with the prior art, the positioner positioning tool has the following advantages:
[0014] The positioner positioning tool for robot welding of the tail frame of a loader comprises a front end plate and a rear end plate, the top end surface of the front end plate and the rear end plate provides bottom support and positioning for an XZ-direction vertical plate, the top bolt provides Y-direction clamping and positioning for the XZ-direction vertical plate, the pressing plate on the steel pier Z-direction presses and fixes the XY-direction bottom plate, and the pressing plate on the front end plate Z-direction presses and fixes the top surface of the XZ-direction vertical plate, so that the positioning of the tail frame of the loader on the tool is realized without interfering with the welding seam path. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments or the prior art description will be briefly introduced. 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.
[0016] Figure 1 It is a three-dimensional structure schematic view (rear view 45°, positioning attitude of the tail frame of the loader);
[0017] Figure 2 It is a three-dimensional structure schematic view (front view 45°);
[0018] Figure 3 It is Figure 2 It is a local enlarged view of the middle A.
[0019] In the figure: 1 - positioner; 2 - output arm; 3 - YZ vertical plate; 4 - XZ vertical plate; 5 - pressing plate; 6 - front end plate; 7 - mounting plate; 8 - hollow supporting plate; 9 - XY bottom plate; 10 - rear end plate; 11 - mounting groove; 12 - top bolt; 13 - screw rod; 14 - pressing piece; 15 - steel pier; 16 - lifting lug; 17 - reinforcing plate. DETAILED DESCRIPTION
[0020] The embodiments of the present application are described in detail below with reference to the accompanying drawings. The embodiments described below are exemplary only, and are not intended to be limiting of the present application.
[0021] The utility model is further described in detail below in combination with the drawings.
[0022] In combination Figures 1-3 , the utility model discloses a positioner positioning tool for the robot welding of the tail frame of a loader, which is arranged on the power output arm 2 of the positioner 1, and the tail frame of the loader positioned on the tool is temporarily fixed by spot welding the XY bottom plate 9 and a plurality of XZ vertical plates 4 and YZ vertical plates 3 and surrounded to form a top-open multi-face three-dimensional structure, and the tool comprises a hollow supporting plate 8, which is adjustably connected to the power output arm of the positioner along the Y direction, and the hollow supporting plate is sequentially and fixedly provided with a front end plate 6, a steel pier 15 and a rear end plate 10 extending in the Y direction and parallel and spaced apart in the X direction.
[0023] The top of the front end plate is fixedly provided with a screw rod 13 extending in the Z direction, and the top of the screw rod is adjustably connected with a pressing plate 5 for pressing and positioning the XZ vertical plate in the Z direction.
[0024] The front end plate and the rear end plate provide Z-direction support and Y-direction clamping positioning for the XZ vertical plates of the tail frame of the loader.
[0025] The steel pier provides Z-direction pressing and positioning for the XY bottom plate.
[0026] Preferably, a Z-direction recessed mounting groove 11 is formed in the power output arm of the positioner, and a mounting plate 7 with a plurality of bolt positioning holes is fixedly arranged in the mounting groove; the top surface of the mounting plate is flush with the groove top of the mounting groove, and the hollow supporting plate is adjustably and boltedly connected to the mounting plate in the Y direction; one end of the rear end plate of the hollow supporting plate is overlapped on the plane of the power output arm of the positioner, and one end of the front end plate of the hollow plate is connected to the mounting plate.
[0027] Preferably, top bolts 12 are threadedly and penetratingly connected to both ends of the top of the front end plate and the rear end plate in the Y direction.
[0028] The top of the steel pier is preferably bolted with a pressing plate 14, which is pressed and positioned in the XY plane to the bottom plate.
[0029] The top of the pressing plate is preferably symmetrically fixed with a lifting lug 16 in the middle of the two ends for lifting and transferring the pressing plate, and the bottom of the pressing plate is preferably symmetrically fixed with a reinforcing plate 17 in the middle of the two wings for preventing the pressing plate from being bent under stress.
[0030] The working principle of the utility model is as follows:
[0031] 1. First, fix and install the hollow supporting plate with the front end plate, the steel pier and the rear end plate on the mounting plate, adjust the parallelism of the hollow supporting plate and the power output arm, and adjust the relative position of the hollow supporting plate and the power output arm in the Y direction, and finally tighten the hollow supporting plate and the mounting plate with bolts.
[0032] 2. Fix the combination of the XY bottom plate and the plurality of XZ vertical plates and YZ vertical plates preliminarily fixed by spot welding on the tooling, and realize the fixation of the loader tail frame on the tooling through the pressing plate, the pressing plate and the jackscrew.
[0033] In addition, the utility model preferably uses the mature products in the prior art for the positioner and the power output wall.
[0034] The utility model and its implementation modes have been described above, and such description is not restrictive, and the embodiment shown in the drawings is only one of the embodiments of the utility model, and the actual structure is not limited thereto. In summary, if the ordinary skilled in the art is inspired, without departing from the creative purpose of the utility model, without creative design, similar structure modes and embodiments of the technical scheme should belong to the protection scope of the utility model.
Claims
1. A positioning fixture for a positioner used in robotic welding of a loader's tail frame, the fixture being mounted on the power take-off arm of the positioner, wherein the loader's tail frame positioned on the fixture is temporarily fixed by spot welding of an XY-oriented base plate and multiple XZ-oriented and YZ-oriented vertical plates, forming a multi-faceted three-dimensional structure with an open top, characterized in that: The tooling includes a hollow support plate, which is flexibly connected to the power output arm of the positioner along the Y direction. A front end plate, a steel block, and a rear end plate extending in the Y direction and spaced parallel in the X direction are fixed on the hollow support plate in sequence. The top of the front end plate is fixed with a screw extending in the Z direction, and the top of the screw is adjusted and connected to a pressure plate for pressing and positioning the XZ direction vertical plate in the Z direction; The front and rear plates provide Z-axis support and Y-axis clamping positions for the XZ-axis upright plates of the loader's tail frame. The steel pier provides Z-axis pressing and positioning for the XY-axis base plate.
2. The positioner positioning fixture for robot welding of the tail frame of a loader according to claim 1, characterized in that: The positioner has a Z-shaped recessed mounting groove on its power output arm, and a mounting plate with multiple bolt positioning holes is fixed in the mounting groove. The top surface of the mounting plate is flush with the top of the mounting groove, and a hollow support plate is adjusted and bolted to the mounting plate in the Y direction. One end of the rear end plate of the hollow support plate overlaps the plane of the positioner's power output arm, and one end of the front end plate of the hollow support plate is connected to the mounting plate.
3. The positioner positioning fixture for robotic welding of the tail frame of a loader according to claim 1, characterized in that: Both ends of the front and rear end plates are threaded through and connected with top bolts in the Y direction.
4. The positioner positioning fixture for robot welding of the tail frame of a loader according to claim 1, characterized in that: The top of the steel pier is bolted with a pressure plate, which presses and positions the bottom plate in the XY direction on the XY plane.
5. The positioner positioning fixture for robotic welding of the tail frame of a loader according to claim 1, characterized in that: The top two ends of the pressure plate are symmetrically fixed with lifting lugs for hoisting and transferring the pressure plate, and the bottom two wings of the pressure plate are symmetrically fixed with reinforcing plates to prevent the pressure plate from bending under force.