Our factory processes a batch of passive bevel gears for rear axles of vehicles, as shown in Figure 1. In order to complete the machining of the part, we have designed an elastic centering fixture that can eliminate the expansion force of the elastic clamping piece. The principle is shown in Figure 2. The working process is as follows: the screwing nut 7 pushes the right taper sleeve 6 to the left, and then the elastic centering sleeve 5 is opened to expand the workpiece, so that the workpiece can be processed. When the workpiece is processed, the nut 7 is unscrewed, and the right taper sleeve 6 is moved to the right by the action of the screw 8. The unloading pin 9 on the taper sleeve drives the elastic centering sleeve 5 to the right to eliminate the expansion force, thus The workpiece can be removed briskly.
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