A sandwich device for a machining center

Abstract

The invention belongs to the technical field of sandwich devices, and in particular relates to a sandwich device of a machining center, which includes a tool handle, a collet, and a collet. , after the threaded sleeve drives the collet to move up so that the upper tapered surface on the collet contacts the inverted tapered groove tapered surface on the tool holder, and then continues to rotate the collet, the collet can be compressed to a greater degree, so During this process, the jacket moves up to a greater extent, and the jacket will cause the connecting rod to have a relationship with the second slope, and release the limit to the limit ring, so that the limit ring will move upward; the tension of the first spring is released, and this When the user rotates the collet, the rotational force will suddenly decrease. After sensing the force reduction, people will realize that the tool may be worn or the tool is not installed, and then the rotating collet will stop; to a certain extent It can prevent the damage to the collet caused by the continuous rotation of the collet.

Description

[0001] Technical field [0002] The invention belongs to the technical field of sandwich devices, and in particular relates to a sandwich device of a machining center. Background technique [0003] A collet is a cylindrical fixture installed on a milling machine to hold a drill or milling cutter. [0004] In the process of using standard collets, tool holders and tools, when installed according to standard specifications, collets can clamp the tool; but it is inevitable to install collets with relatively small tools, or When there is no clamping tool, in these two cases, if the collet is forcibly clamped, the collet may be plastically deformed, causing damage to the collet. [0005] In addition, during use, due to the wear inside the collet and the mismatch between the collet and the tool, the tool is not clamped when the clamping force is sufficient, which will lead to two results. The first collet The head bears the clamping force through its own transitional deformation o...

AI Technical Summary

Problems solved by technology

[0004] In the process of using standard collets, tool holders and tools, when installed according to standard specifications, collets can clamp the tool; but it is inevitable to install collets with relatively small tools, or When there is no clamping tool, in these two cases, if the collet is forcibly clamped, the elastic collet may be plastically deformed, causing damage to the elastic clamp

[0005] In addition, during use, due to the wear inside the collet and the mismatch between the collet and the tool, the tool is not clamped when the clamping force is sufficient, which will lead to two results. The first collet The head bears the clamping force through its own transitional deformation or even plastic deformation, causing damage to the collet. Second, it directly causes expensive tool damage during processing

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