Motorcycle frame welding fixture
Technical Field
The utility model relates to a tool for fixing and positioning a workpiece, in particular to a motorcycle frame welding tool.
Background
The motorcycle frame is one of important parts of a motorcycle, as shown in fig. 1, the main structure of the motorcycle frame mainly comprises a cross beam 1, a cushion frame 2 and a connecting frame 3 which are welded together end to end, and the cross beam and the cushion frame are also provided with the connecting frame therebetween, so that the motorcycle frame has the function of reinforcing structural stability, and the connecting position of the cross beam and the cushion frame can bear larger force, thus being one of important quality parameter standards of the motorcycle. The welding deviation among motorcycle frame parts can seriously affect the quality of a motorcycle, and the welding robot is used for welding parts at present, so that the connecting parts are required to be kept stable in the welding process, the welding quality can be directly affected, and the quality of a product is affected.
The welding part is installed to the tool and is generally manually operated, and a plurality of frame welding tools in the prior art are complex in structure and high in operation difficulty, so that the welding tool is simple in structure and convenient to operate under the condition that the working stability is ensured.
Disclosure of utility model
The utility model aims to provide the motorcycle frame welding tool which is high in stability, convenient to operate and good in adaptability with a welding robot.
The welding tool for the motorcycle frame comprises a tool platform, wherein a beam front end fixing seat, a beam body fixing seat, a beam tail end supporting seat, a seat cushion frame front end fixing seat, a seat cushion frame tail end fixing seat and a tool platform are arranged on the tool platform, the tool platform comprises a fixing table and a lower pressing cylinder, a push rod of the lower pressing cylinder is downwards arranged towards the fixing table, the beam body fixing seat comprises two first supporting seats which are symmetrically arranged, each first supporting seat is provided with a first rotating pressing rod, the beam tail end supporting seat comprises two supporting tables which are symmetrically arranged, one side of each supporting table is provided with a pressing cylinder, the seat cushion frame front end fixing seat comprises two second supporting seats which are symmetrically arranged, each second supporting seat is provided with a second rotating pressing rod, the seat cushion frame tail end fixing seat comprises two third supporting seats which are symmetrically arranged, each third supporting seat is provided with a third rotating pressing rod, and the beam front end fixing seat, the beam body fixing seat, the beam tail end supporting seat, the seat cushion frame front end fixing seat and the seat cushion frame tail end fixing seat are sequentially and fixedly arranged on the tool platform.
Further, the cushion frame tail end fixed seat still includes two rotation ejector pins that the symmetry set up, it includes ejector pin support, ejector pin, turning handle and cardboard to rotate the ejector pin, the ejector pin activity is located in the mounting hole of ejector pin support, the one end of turning handle vertical fixation in the ejector pin, cardboard and ejector pin support fixed connection, the cardboard is equipped with can block the draw-in groove of turning handle.
Further, the crossbeam body fixing base still includes two annex branches of symmetry, annex branch includes branch pedestal and fixed locating branch bench pole in the branch pedestal mounting hole, the interior branch bench push rod that is equipped with of branch bench pole, branch bench push rod tip is equipped with the screw thread, the tip of branch bench pole is equipped with the branch bench, be equipped with the circular arc recess on the branch bench.
Further, the first rotary compression bar, the second rotary compression bar and the third rotary compression bar comprise compression bar frames, compression bars, compression bar handles and pressing blocks, the compression bars are movably arranged in mounting holes of the compression bar frames, the compression bar handles are vertically fixed at one ends of the compression bars, the pressing blocks are fixedly arranged at the other ends of the compression bars, and the surfaces of the pressing blocks are arc-shaped.
Further, the first supporting seat, the second supporting seat and the third supporting seat are all provided with arc grooves.
Furthermore, the beam front end fixing seat, the beam body fixing seat, the beam tail end supporting seat, the cushion frame front end fixing seat and the cushion frame tail end fixing seat are fixedly arranged on the tool platform through the mouth-shaped support.
The welding tool for the motorcycle frame has the advantages that the welding tool for the motorcycle frame can accurately and firmly splice the beam, the cushion frame and the connecting frame in a positioning manner, so that parts cannot deviate in the automatic welding process of a welding robot, and the parts can be mounted on a tool table through the operation of a cylinder, a compression bar and a push rod in several steps, and the operation is convenient.
Drawings
FIG. 1 is a schematic structural view of a motorcycle frame welding tool of the present utility model;
FIG. 2 is a schematic view of a rotating ejector rod according to the present utility model;
FIG. 3 is a schematic view of the structure of the accessory stand of the present utility model;
Fig. 4 is a schematic structural view of a first rotary compression bar according to the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings and detailed description:
According to the scheme shown in fig. 1 to 4, the welding fixture for the motorcycle frame comprises a fixture platform 600, wherein a beam front end fixing seat 100, a beam body fixing seat 200, a beam tail end supporting seat 300, a cushion frame front end fixing seat 400 and a cushion frame tail end fixing seat 500 are sequentially fixed on one end to the other end of the fixture platform 600 through bolts of a mouth-shaped bracket.
The beam front end fixing seat 100 is located at the top end of the beam 1 and comprises a fixing table 101 and a lower air cylinder 102, the lower air cylinder 102 is fixedly arranged in an inverted L-shaped upright column in an inverted mode, a push rod of the lower air cylinder 102 is downwards arranged and faces the fixing table, and the beam front end fixing seat 100 is used for fixing and positioning a vertical pipe at the top end of the beam 1 on the tool platform 600.
In this embodiment, the beam body fixing seat 200 is located at a welding position of the beam 1 and the connecting frame 3, and includes two first supporting seats 201 symmetrically disposed, and each first supporting seat 201 is provided with a first rotating press rod 202 for positioning two branch pipes of the connecting frame 3 and fixedly contacting the branch pipes with the beam 1.
In this embodiment, the beam tail end supporting seat 300 is located below the bottom end of the beam 1, and includes two symmetrically arranged supporting tables 301, where a side air cylinder 302 is disposed on one side of each supporting table 301, and is used to support the bottom end of the beam 1 upwards to fix and position the welding point of the beam 1 and the cushion frame 2.
In this embodiment, the seat cushion frame front end fixing seat 400 is located at the bottom end position of the seat cushion frame 2, and includes two second supporting seats 401 symmetrically disposed, each second supporting seat 401 is provided with a second rotating compression bar 402, and a pressing force is generated to fix and position the welding point of the cross beam 1 and the seat cushion frame 2.
In this embodiment, the seat cushion frame tail end fixing seat 500 is located at the top end of the seat cushion frame 2, and includes two third supporting seats 501 symmetrically disposed, each third supporting seat 501 is provided with a third rotary compression bar 502, and generates a downward force for fixing and positioning the seat cushion frame 2 on the tooling platform 600.
As a further improvement of the present embodiment, as shown in fig. 2 in detail, the seat cushion frame tail end fixing base 500 further includes two symmetrically arranged rotary push rods 503 for limiting the lateral displacement of the seat cushion frame 2. The rotating ejector rod comprises an ejector rod support 504, an ejector rod 505, a rotating handle 506 and a clamping plate 507, wherein the ejector rod 505 is movably arranged in a mounting hole of the ejector rod support 504, the ejector rod 505 can rotate and move back and forth in the mounting hole, the rotating handle 506 is vertically fixed at one end of the ejector rod 505, the clamping plate 507 is fixedly connected with the ejector rod support 504, the clamping plate 507 is provided with a clamping groove capable of clamping the rotating handle 506, and the clamping groove clamped by the rotating handle 506 is used for completing fixation and positioning.
Referring to fig. 3 in detail, as a further improvement of the present embodiment, the beam body fixing base 200 further includes two symmetrical accessory support platforms 303 for fixing and positioning the accessory connected to the beam 1, the accessory support platforms 303 include support platform bases 304 and support platform rods 305 fixedly disposed in mounting holes of the support platform bases 304, support platform push rods 306 are slidably disposed in the support platform rods 305, support platform 307 is disposed at end portions of the support platform rods 305, arc grooves are disposed on the support platform 307, the support platform push rods 306 are in close sliding fit with the support platform rods 305, threads are disposed at end portions of the support platform push rods 306, the support platform push rods 306 can tightly press the parts, and the threads of the end portions can be screwed and fixed.
Referring to fig. 4 in detail, as a further improvement of the present embodiment, the first rotary compression bar 202, the second rotary compression bar 402 and the third rotary compression bar 502 each include a compression bar frame 601, a compression bar 602, a compression bar handle 603 and a pressing block 604, the compression bar 602 is movably disposed in a mounting hole of the compression bar frame 601, the compression bar handle 603 is vertically fixed at one end of the compression bar 602, the pressing block 604 is fixedly disposed at the other end of the compression bar 602, the surface of the pressing block 604 is arc-shaped, and the pressing block 604 can be rotated by pulling the compression bar handle 603, so that the operation is simple and the structure is stable.
As a further improvement of the present embodiment, the first supporting seat 201, the second supporting seat 401 and the third supporting seat 501 are provided with arc grooves for limiting the lateral displacement of the welded part pipe fitting.
When the welding fixture is used, the cross beam 1 is firstly placed on the welding fixture, the lower pressing cylinder 102 and the lateral pressing cylinder 302 are operated to be fixed, the cushion frame 2 is placed, the second rotating pressing rod 402, the third rotating pressing rod 502 and the rotating ejector rod 503 are operated to be fixed, the connecting pipe 3 is finally placed, and the first rotating pressing rod 202 is operated to be fixed. And then placing an additional piece for fixing. The welding tool is convenient to operate, stable and accurate in fixing and positioning, and can be well matched with a welding robot to finish automatic welding production.
The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent.