Wheel positioning face scanning device

The present invention discloses a wheel positioning face scanning device comprising a rack to which a motor is fixed, an output end of the motor is fixedly connected vertically upward to a positioning disc, a center of the positioning disc is fixedly connected vertically upward to a positioning shaft, and a radial positioning ring is fixed at the top end of the positioning shaft, which is capable of improving wheel yield and processing quality.

TECHNICAL FIELD

The invention relates to the technical field of wheel machining, in particular a wheel positioning face scanning device.

BACKGROUND

A machine-filled blank of an aluminum wheel is obtained by a process such as smelting, casting, heat treatment, and the like, There are distortions in each part of the actual press-loaded blank, large partial wheel radial positioning surfaces, poor roundness, eccentricity in the press-loaded card process, resulting in issues such as misalignment, poor machining, and high balance rejection during the press-loaded process, affecting aluminum wheel yield and quality of machining.

SUMMARY

In view of this, the present invention aims to provide a wheel positioning face scanning device to scan the radial positioning face of the blank with a laser sensor prior to machining, to find the optimal loading point with the least amount of eccentricity, to perform the positioning and loading process in accordance with the optimal loading point, to improve the presence of misalignment, less processing, and more waste balance during the machining process, and to improve the wheel yield and the quality of the processing.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

A wheel positioning face scanning device includes a rack on which a motor is fixed, an output end of the motor is fixedly connected vertically upward to a positioning disc, a positioning disc is fixedly connected vertically upward to the wheel blank, a positioning shaft is fixedly connected vertically upward to the center of the positioning disc, a radial positioning ring is fixed to the head of the positioning disc, a first compressing claw is fixed to the head of the positioning disc, and a first laser sensor and a second laser sensor are respectively provided on the rack on the side of the positioning disc to the wheel blank.

In some embodiments, the rack is fixed with a hollow T-shaped mounting seat, the motor is mounted at the bottom of the mounting seat, and the output of the motor is connected vertically upwards through the mounting seat to the positioning disc, and the positioning disc is connected with the mounting seat by way of a ball bearing.

In some embodiments, the output of the motor is fixedly connected to the lower end of the connecting shaft, and the upper end of the connecting shaft is fixedly connected to the positioning disc.

In some embodiments, deep groove ball bearing is provided between the connecting shaft and mounting seat.

In some embodiments, deep groove ball bearing comprises two groups spaced up and down fixed between the connecting shaft and mounting seat.

Compared with the prior art, the wheel positioning face scanning device provided by the invention has the following advantages:

The present invention utilizes a laser sensor to scan the radial positioning surface of the blank prior to machining to find the optimum loading point with the least amount of eccentricity, to perform the positioning and loading process in accordance with the optimum loading point, to improve the problems of misalignment, less processing, and more waste balance during the machining process, and to improve wheel yield and quality of processing.

Description of Reference Numerals:

DETAILED DESCRIPTION

It should be noted that embodiments of the present disclosure and features of the embodiments may be combined with one another without conflict.

The technical solution of the present disclosure will be described clearly and completely hereinafter with reference to the accompanying drawings and in combination with embodiments, and obviously, the embodiments described are only a part of embodiments of the present disclosure, and are not all of embodiments thereof. Based on the embodiments of the present disclosure, all other embodiments obtained by a person of ordinary skill in the art without involving any inventive effort fall within the protection scope of the present disclosure.

The wheel positioning face scanning device of an embodiment of the present invention is described below in conjunction with an embodiment with reference toFIGS.1-4.

A wheel positioning face scanning device includes structures such as rack I, motor2, key3, deep groove ball bearing5, connecting shaft6, thrust ball bearing8, positioning disc9, first compressing claw10, wheel blank12, positioning shaft14, radial positioning ring15, mounting seat18, first laser sensor19, second laser sensor20, sensor mounting seat21, compression plate22, axial positioning block23, second compressing claw24, and radial positioning block25.

In some embodiments, mounting seat18is connected to rack1by screws, motor2is connected to mounting seat18by screws, connecting shaft6is connected to motor2by key3, mating with mounting seat18by deep groove ball bearings5and deep groove ball bearings5, positioning disc9is connected with connecting shaft6, mating with mounting seat18by thrust ball bearings8, positioning disc14by screws to positioning disc9, radial positioning ring15by screws to positioning shaft14, wheel blank12by radial positioning ring15.

In some embodiments, the wheel positioning face fixed-point clamping method, comprising the following steps:S1, placing a wheel blank12on a positioning disc9and a radial positioning ring15and compressing the wheel blank12through first compressing claws10;S2, driving the wheel blank12by a motor2to rotate, scanning an outer contour of the wheel blank12by a first laser sensor19and identifying an air valve hole, and scanning an outer rim of the wheel blank12by a second laser sensor20to obtain its actual contour line;S3, comparing the actual contour line with a theoretical contour line, and selecting three clamping points having the minimum eccentricity between the actual contour line and the theoretical contour line and spaced by 120 degrees; andS4, calculating angles α between the clamping points and the air valve hole, and clamping the wheel blank according to the angles α.

Compared with the prior art, the wheel positioning face scanning device of the present invention has the following advantages:

The present invention utilizes a laser sensor to scan the radial positioning surface of the blank prior to machining to find the optimum loading point with the least amount of eccentricity, to perform the positioning and loading process in accordance with the optimum loading point, to improve the problems of misalignment, less processing, and more waste balance during the machining process, and to improve wheel yield and quality of processing.