Car torsion beam brake disc installation end milling tool

Abstract

The invention relates to the field of milling equipment of the automotive torsion beam brake disc installation end surface, particularly to a milling tool of the automotive torsion beam brake disc installation end surface. The milling tool comprises a base plate which is used for placing a torsion beam; the base plate is provided with fixing devices and supporting blocks; the fixing devices are used for fixing lining rings which are arranged on the end portions of the bilateral sides of one side of a trailing arm of the torsion beam; the supporting blocks are used for supporting hollow pipes which are arranged at two ends of the other side of the trailing arm of the torsion beam; the upper portions of the supporting blocks are provided with clamps. According to the milling tool of the automotive torsion beam brake disc installation end surface, the upper end surfaces of the supporting blocks are flat plates which are notch-shaped and accordingly the pipe walls of the hollow pipes of the trailing arm of the torsion beam can be attached to the supporting blocks naturally, deformation or displacement of the integral torsion beam cannot be produced, the torsion beam brake disc installation end surface keeps in the non-deformation state during milling, and accordingly the milling qualified rate of the torsion beam brake disc installation end surface can be improved.

Description

technical field [0001] The invention relates to the field of end face milling equipment for toe-in and camber angles of an automobile torsion beam, in particular to an end face milling tool for installing an automobile torsion beam brake disc. Background technique [0002] The torsion beam is an important part of the automobile suspension system. The two ends of the longitudinal arm of the torsion beam are arranged in a hollow tube structure, and a fixed bracket that is firmly connected with the brake disc of the car is welded on the body of the hollow tube. The fixed bracket is equipped with a brake Disc installation end face B, install holes on the brake disc installation end face B to fasten the brake disc, while the toe angle and camber angle of the torsion beam are directly related to the brake disc installation end face during the production process of the torsion beam. related to horizontal and vertical directions. [0003] After the brake disc mounting end B is weld...

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Problems solved by technology

[0003] After the brake disc mounting end B is welded to the longitudinal arm of the torsion beam, it is necessary to carry out end milling on the brake disc mounting end B of the torsion beam, so that the camber and toe angle of the brake disc mounting end B meet the design requirements. , the milling tool fixes and positions the lining rings at both ends of the longitudinal arm of the torsion beam, and sets the hollow tube ends at the other two ends of the longitudinal arm of the torsion beam to be processed on the support block supporting the longitudinal arm, and uses the clamp to compress the longitudinal arm. The hollow tube end of the arm realizes pressing and positioning; in the prior art, the support block supporting the longitudinal arm is set on one side of the plate surface in contact with the longitudinal arm to form a V or U-shaped groove in section, and the torsion beam is restrained by the clamp. Clamped under the conditions, this constraint boundary causes the overall shape of the torsion beam to be deformed, and the milling of the end face of the brake disc is completed under this deformation attitude. After the machining is completed, the clamp is released, and the torsion beam returns to its natural state. At this time, the position of the end surface of the brake disc installation must be different from the position under the constraints of the fixture, that is to say, the camber angle and toe angle of the end surface B of the brake disc installation will have deviations from their design standards

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