Grinding device for automobile wheel hub

Abstract

The invention relates to the technical field of devices used for grinding or polishing, and specifically discloses an automobile hub grinding device. The automobile hub grinding device comprises a rack and a positioning mechanism, and is further equipped with a cleaning mechanism for clearing refuse and dust, wherein the positioning mechanism comprises a horizontal positioning assembly and a vertical limiting part; the vertical limiting part comprises a pressing cover and a drive shaft; a driven bevel gear which is in threaded transmission to the drive shaft is rotatably arranged on the rack;the horizontal positioning assembly comprises at least three positioning parts, and each positioning part comprises a positioning pedestal, a threaded rod and a limiting block, the positioning pedestal is fixedly arranged on the rack, and the middle part of the threaded rod is rotatably connected to the positioning pedestal; and ends, close to each other, of the threaded rods are coaxially and fixedly equipped with transmission bevel gears which are engaged with drive bevel gears; the free ends of the threaded rods are in threaded connection to the limiting blocks. With the adoption of the scheme, multiple freedoms of the hub can be positioned and clamped simultaneously, so that integral processing efficiency is quickened, accuracy of hub positioning further can be guaranteed, and grindingquality is improved.

Description

technical field [0001] The invention relates to the technical field of grinding or polishing devices, and specifically discloses a grinding device for automobile wheel hubs. Background technique [0002] The wheel hub is a cylindrical metal part in the car tire that is centered on the shaft to support the tire. In layman's terms, it is the part where the axle is installed in the center of the wheel. It is an important part that connects the brake drum (brake disc), rim and half shaft. . [0003] The main advantage of the steel wheel hub is that the manufacturing process is simple, generally using the casting process, the cost is relatively low, and the ability to resist metal fatigue is very strong. However, after the steel wheel hub is manufactured, it needs to be ground and polished on its surrounding surface before it can be used. When the existing equipment is polished, it generally restricts the degrees of freedom of the wheel hub in different directions, and then star...

AI Technical Summary

Problems solved by technology

However, after the steel wheel hub is manufactured, it needs to be ground and polished on its surrounding surface before it can be used. When the existing equipment is polished, it generally restricts the degrees of freedom of the wheel hub in different directions, and then starts the process of grinding and polishing. The steps are complicated and the production efficiency is low; secondly, when the method of the prior art restricts the degree of freedom in the horizontal direction first, and then restricts the axial degree of freedom of the hub, if the positioning in the horizontal direction deviates , the positioning mechanism in the vertical direction will still press down normally, but at this time the wheel hub can no longer produce horizontal displacement, so it is easy to cause the wheel hub to be squeezed and deformed due to the inaccurate fit between the positioning mechanism and the wheel hub; prior art The dust polished by the grinding equipment has been accumulated in the construction position. Long-term accumulation is easy to generate scale on the grinding device, which will increase the friction resistance of the slide rails on the grinding device, and even cause blockage. It is also easy to accelerate the grinding device. Corrosion etc.

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