CN215787762U - Intelligent welding robot shaping clamp - Google Patents
Intelligent welding robot shaping clamp Download PDFInfo
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- CN215787762U CN215787762U CN202120545564.9U CN202120545564U CN215787762U CN 215787762 U CN215787762 U CN 215787762U CN 202120545564 U CN202120545564 U CN 202120545564U CN 215787762 U CN215787762 U CN 215787762U
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Abstract
The utility model relates to the technical field of robot welding, in particular to an intelligent welding robot shaping clamp. The automatic pressing device comprises a welding workbench, automatic pressing device rails, a pressing frame, a pressing mechanism travelling shaft and a pressing driving mechanism, wherein the automatic pressing device rails are arranged on two sides of the welding workbench, the pressing frame is arranged above the welding workbench, two ends of the pressing frame are connected with the automatic pressing device rails through the pressing mechanism travelling shaft, and the pressing frame can move in the vertical direction relative to the pressing mechanism travelling shaft; the pressing driving mechanism is arranged on the pressing frame, the output end of the pressing driving mechanism is connected with the walking shaft of the pressing mechanism, and the pressing driving mechanism is used for driving the pressing frame to press a workpiece placed on the welding workbench. The automatic pressing and shaping device disclosed by the utility model has the advantages that the automatic pressing and shaping of workpieces are realized, the positioning precision is high, the workpieces cannot deform during welding, the same set of system can be better compatible with the changes of different sizes of similar workpieces, the operation is simple, and the working quality and the working efficiency can be obviously improved.
Description
Technical Field
The utility model relates to the technical field of robot welding, in particular to an intelligent welding robot shaping clamp.
Background
At present, a rail vehicle generally adopts a MIG automatic welding process to weld aluminum profiles, the rail vehicle has high requirements on the profiles, and when the MIG automatic welding process is used for welding ultra-large and ultra-wide aluminum alloy profiles, the aluminum profiles are easy to generate transverse deformation (including angular deformation) and longitudinal shrinkage due to the welding thermal cycle effect, so that the profile degree and the length of products are influenced. In the prior art, on one hand, deformation in the welding process is limited by a tool clamp, and the effect of the measure is not ideal; on the other hand, the whole size meets the tolerance requirement by means of postweld correction, but the correction difficulty is high after the super-large ultra-wide aluminum alloy section is spliced and welded, time and labor are wasted, the production efficiency is seriously influenced, the traditional welding manufacturing mode is that manual assistance is used for welding by a simple tool, and the production mode has the problems of poor precision and large welding deformation. Meanwhile, the traditional welding has the problems of low production efficiency, high labor intensity, high danger, high labor cost and difficulty in ensuring the production quality. In the aerospace industry, aluminum alloys are becoming one of the major materials of manufacture due to their excellent specific strength, replacing steel materials.
Welding technology has been widely used in the manufacture of thin-walled aluminum alloy parts as a primary method of material joining in the field of material processing. Due to the large heat conductivity, poor heat resistance and large expansion coefficient of the aluminum alloy, the welding deformation of the thin-wall aluminum alloy is easy to generate during welding, and the difficulty is brought to the subsequent assembly of parts. At present, methods for solving the problem of welding deformation of aluminum alloy mainly comprise three methods of optimizing welding parameters, correcting after welding and assisting positioning of welding tools, and the three methods are combined and used in a complementary mode in actual production. And aiming at the aluminum alloy structural member, the welding positioning tool has the problems of difficulty in positioning point selection, poor positioning effect and the like, so that the stress strain in the welding process is uncontrollable, finally, the periphery of a welding line is seriously shrunk and tilted, the size is out of tolerance, the repairing cannot be performed, and even the part is scrapped. And the exposed scale removing mode causes various problems of diffusion of rust dust, bad working environment and the like.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model aims to provide an intelligent welding robot shaping clamp to solve the problems of poor precision, welding deformation and the like in the traditional welding mode.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an intelligent welding robot shaping clamp comprises a welding workbench, automatic pressing device rails, a pressing frame, a pressing mechanism travelling shaft and a pressing driving mechanism, wherein the automatic pressing device rails are arranged on two sides of the welding workbench; the pressing driving mechanism is arranged on the pressing frame, the output end of the pressing driving mechanism is connected with the walking shaft of the pressing mechanism, and the pressing driving mechanism is used for driving the pressing frame to press a workpiece placed on the welding workbench.
The pressing frame comprises a frame and a plurality of pressing strips arranged in the frame, and the pressing driving mechanism is arranged on the frame.
The frame is a rectangular structure consisting of two end frames and two side frames, and the plurality of pressing strips are connected to the bottoms of the two end frames and are parallel to each other;
the two end frames are respectively connected with the two corresponding pressing mechanism walking shafts in a sliding manner through linear bearings; and the two end frames are provided with the pressing driving mechanism.
The pressing driving mechanism comprises an oil cylinder seat and an oil cylinder, wherein the oil cylinder seat is arranged on the end frame, the oil cylinder is arranged on the oil cylinder seat, and the output end of the oil cylinder is connected with the walking shaft of the pressing mechanism.
The cross section of the pressing strip is of a trapezoidal structure.
The spacing of the compressing strips is adjustable.
And driving wheel trains capable of walking on the automatic pressing device rail are arranged on two sides of the pressing mechanism walking shaft.
The intelligent welding robot shaping clamp further comprises a portal frame rail and an intelligent robot welding device, wherein the portal frame rail is arranged on the outer side of the automatic pressing device, and the intelligent robot welding device stretches across the two sides of the welding workbench and is connected with the portal frame rail in a sliding mode.
The intelligent robot welding device comprises a portal frame, a cantilever, an intelligent robot and a welding gun, wherein the bottom of the portal frame is connected with a portal frame rail in a sliding manner; the cantilever can be arranged on a beam of the portal frame along the transverse movement, the intelligent robot is connected to the tail end of the cantilever, and the welding gun is arranged at the execution tail end of the intelligent robot.
The utility model has the advantages and beneficial effects that: the automatic pressing and shaping device realizes automatic pressing and shaping of workpieces, has high positioning precision, ensures that the workpieces cannot deform in the welding process, and can be better compatible with the changes of different sizes of the similar workpieces by the same set of system.
The utility model has simple operation and can obviously improve the working quality and the working efficiency.
Drawings
FIG. 1 is an isometric view of an intelligent welding robot sizing jig of the present invention;
FIG. 2 is an enlarged view taken at point I in FIG. 1;
FIG. 3 is a side view of an intelligent welding robot sizing jig of the present invention;
FIG. 4 is an enlarged view taken at II in FIG. 3;
FIG. 5 is a schematic view of the connection between the pressing frame and the walking shaft of the pressing mechanism in the present invention;
figure 6 is an isometric view of a hold down frame of the present invention.
In the figure: the automatic pressing device comprises a gantry rail 1, an intelligent robot welding device 2, a welding workbench 3, an automatic pressing device rail 4, a workpiece vertical plate 5, a workpiece bottom plate 6, a linear bearing seat 7, an oil cylinder seat 8, a linear bearing hole 9, an end frame 10, a side frame 11, a pressing mechanism walking shaft 12, a driving wheel train 13, a linear bearing 14, an oil cylinder 15, a pressing strip 16, a workpiece bottom plate pressing surface 17 and a pressing frame 18.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the intelligent welding robot shaping fixture provided by the utility model comprises a welding workbench 3, an automatic pressing device track 4, a pressing frame 18, a pressing mechanism walking shaft 12 and a pressing driving mechanism, wherein the automatic pressing device track 4 is arranged on two sides of the welding workbench 3, the pressing frame 18 is arranged above the welding workbench 3, two ends of the pressing frame are connected with the automatic pressing device track 4 through the pressing mechanism walking shaft 12, and the pressing frame 18 can move in the vertical direction relative to the pressing mechanism walking shaft 12; the pressing driving mechanism is arranged on the pressing frame 18, the output end of the pressing driving mechanism is connected with the pressing mechanism walking shaft 12, and the pressing driving mechanism is used for driving the pressing frame 18 to press a workpiece placed on the welding workbench 3.
In the embodiment of the utility model, the intelligent welding robot shaping clamp further comprises a portal frame rail 1 and an intelligent robot welding device 2, wherein the portal frame rail 1 is arranged on the outer side of an automatic pressing device rail 4, and the intelligent robot welding device 2 stretches across two sides of a welding workbench 3 and is connected with the portal frame rail 1 in a sliding mode.
Specifically, the intelligent robot welding device 2 comprises a portal frame, a cantilever, an intelligent robot and a welding gun, wherein the bottom of the portal frame is connected with a portal frame rail 1 in a sliding manner; the cantilever can be arranged on a beam of the portal frame along the transverse movement, the intelligent robot is connected to the tail end of the cantilever, and the welding gun is arranged at the execution tail end of the intelligent robot.
In the embodiment of the present invention, as shown in fig. 2 to 3, the driving wheel trains 13 that can travel on the automatic pressing device rail 4 are provided on both sides of the pressing mechanism traveling shaft 12.
As shown in fig. 5-6, in the embodiment of the present invention, the pressing frame 18 includes a frame and a plurality of pressing bars 16 disposed in the frame, and the pressing driving mechanism is disposed on the frame. In this embodiment, the frame is a rectangular structure composed of two end frames 10 and two side frames 11, and a plurality of compressing strips 16 are connected to the bottoms of the two end frames 10 and are parallel to each other; two ends of the two end frames 10 are respectively provided with a linear bearing seat 7, the linear bearing seats 7 are provided with linear bearing holes 9, and linear bearings 14 are arranged in the linear bearing holes 9. The linear bearing seat 7 is in sliding connection with the two corresponding pressing mechanism walking shafts 12 through linear bearings 14; and the two end frames 10 are provided with a pressing driving mechanism. Specifically, the end frame 10 and the side frame 11 are square pipes, which are connected by welding. The spacing of the compression strips 16 is adjustable to accommodate different sizes of work-free pieces.
In the embodiment of the utility model, the pressing driving mechanism comprises an oil cylinder base 8 and an oil cylinder 15, wherein the oil cylinder base 8 is arranged on the end frame 10, the oil cylinder 15 is arranged on the oil cylinder base 8, and the output end of the oil cylinder is connected with the pressing mechanism walking shaft 12.
As shown in fig. 2, a workpiece is placed on the welding table 3, and the workpiece is formed by assembling and welding a workpiece bottom plate 6 and a plurality of workpiece vertical plates 5. The workpiece bottom plate 6 is located between the welding workbench 3 and the pressing frame 18, the plurality of workpiece vertical plates 5 are located on the upper surface of the workpiece bottom plate 6, and each workpiece vertical plate 5 is located between two adjacent pressing strips 16 of the pressing frame 18.
As shown in fig. 3 to 4, the cross section of the pressing bar 16 is a trapezoidal structure, and the pressing frame 18 is pressed against the workpiece floor pressing surface 17 of the workpiece floor 6 by the pressing bar 16.
The working process of the intelligent welding robot shaping clamp provided by the utility model is as follows:
step 1: the pressing frame 18 is driven by the oil cylinder 15 to be lowered to a proper height, and the intelligent robot welding device 2 moves to the HOME position of one end, far away from the welding workbench, of the portal frame rail 1.
Step 2: the oil cylinder 15 drives the pressing frame 18 to rise to the highest point, and the driving wheel train 13 drives the pressing frame 18 to move to a position where the workpiece feeding is not hindered.
And 3, step 3: placing the work on the welding table 3
And 4, step 4: the specification (different specifications of different workpieces) and the position and the distance of the pressing strips 16 are manually adjusted according to the models of the workpieces, and the workpieces are locked.
And 5, step 5: the driving wheel system 13 drives the pressing frame 18 to move to the position above the workpiece, and the oil cylinder 15 drives the pressing frame 18 to descend to press the workpiece on the welding workbench 3.
And 6, step 6: the intelligent robot welding apparatus 2 performs intelligent welding work.
And 7, step 7: after the intelligent welding operation is completed, the intelligent robot welding device 2 moves to the HOME position of the end of the portal frame rail 1 far away from the welding workbench 3 side, the pressing frame 18 is driven to rise to the highest point through the oil cylinder 15, the pressing frame 18 moves to the position without obstructing the blanking through the driving wheel train 13, and workpieces are blanked.
The automatic pressing and shaping device disclosed by the utility model can realize automatic pressing and shaping of workpieces, has high positioning precision, ensures that the workpieces cannot deform in the welding process, can be better compatible with the change of different sizes of similar workpieces by the same set of system, is simple to operate, and can obviously improve the working quality and the working efficiency.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, extension, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.
Claims (9)
1. The intelligent welding robot shaping clamp is characterized by comprising a welding workbench (3), an automatic pressing device track (4), a pressing frame (18), a pressing mechanism travelling shaft (12) and a pressing driving mechanism, wherein the automatic pressing device track (4) is arranged on two sides of the welding workbench (3), the pressing frame (18) is arranged above the welding workbench (3), two ends of the pressing frame are connected with the automatic pressing device track (4) through the pressing mechanism travelling shaft (12), and the pressing frame (18) can move along the vertical direction relative to the pressing mechanism travelling shaft (12); the pressing driving mechanism is arranged on the pressing frame (18), the output end of the pressing driving mechanism is connected with the pressing mechanism walking shaft (12), and the pressing driving mechanism is used for driving the pressing frame (18) to press a workpiece placed on the welding workbench (3).
2. The intelligent welding robot sizing jig according to claim 1, wherein the hold-down frame (18) comprises a frame and a plurality of hold-down bars (16) disposed within the frame, the hold-down driving mechanism being disposed on the frame.
3. The intelligent welding robot sizing jig according to claim 2, wherein the frame is a rectangular structure consisting of two end frames (10) and two side frames (11), and a plurality of the pressing bars (16) are connected to the bottoms of the two end frames (10) and are parallel to each other;
the two end frames (10) are respectively connected with the two corresponding pressing mechanism walking shafts (12) in a sliding way through linear bearings (14); the two end frames (10) are provided with the pressing driving mechanism.
4. The intelligent welding robot sizing clamp according to claim 3, wherein the pressing driving mechanism comprises an oil cylinder base (8) and an oil cylinder (15), wherein the oil cylinder base (8) is arranged on the end frame (10), the oil cylinder (15) is arranged on the oil cylinder base (8), and the output end of the oil cylinder is connected with the pressing mechanism walking shaft (12).
5. The intelligent welding robot sizing jig according to claim 2, wherein the cross section of the hold-down bar (16) is a trapezoidal structure.
6. The intelligent welding robot sizing jig according to claim 2, wherein the spacing of the hold-down bars (16) is adjustable.
7. The intelligent welding robot shaping clamp of claim 1, wherein the two sides of the pressing mechanism walking shaft (12) are provided with driving wheel trains (13) capable of walking on the automatic pressing device rail (4).
8. The intelligent welding robot sizing jig according to any one of claims 1 to 7, further comprising a gantry rail (1) and an intelligent robot welding device (2), wherein the gantry rail (1) is disposed outside the automatic pressing device rail (4), and the intelligent robot welding device (2) spans two sides of the welding workbench (3) and is slidably connected with the gantry rail (1).
9. The intelligent welding robot sizing jig according to claim 8, wherein the intelligent robot welding device (2) comprises a gantry, a cantilever, an intelligent robot and a welding gun, wherein the bottom of the gantry is slidably connected with the gantry rail (1); the cantilever can be arranged on a beam of the portal frame along the transverse movement, the intelligent robot is connected to the tail end of the cantilever, and the welding gun is arranged at the execution tail end of the intelligent robot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120545564.9U CN215787762U (en) | 2021-03-16 | 2021-03-16 | Intelligent welding robot shaping clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120545564.9U CN215787762U (en) | 2021-03-16 | 2021-03-16 | Intelligent welding robot shaping clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215787762U true CN215787762U (en) | 2022-02-11 |
Family
ID=80162482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120545564.9U Active CN215787762U (en) | 2021-03-16 | 2021-03-16 | Intelligent welding robot shaping clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215787762U (en) |
-
2021
- 2021-03-16 CN CN202120545564.9U patent/CN215787762U/en active Active
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