Drilling Die for Space Hole of Shaft Parts

Abstract

The invention discloses a space hole drilling die for shaft parts, which belongs to the field of machining. The drill die includes a base body, a positioning plate, a screw rod, a pressing plate, a nut and a drill sleeve. The invention designs an irregular hexagonal prism base based on the spatial position relationship of the holes to be machined, and the drilling die can complete the processing of four spatial holes, which greatly saves the manufacturing cost and management cost, and reduces the labor intensity of workers; the reference of the drilling die is unified , the processing is accurate and reliable; this group of drill dies can realize quick replacement, quick adjustment, convenient operation, simple structure and good versatility; at the same time, there is a rubber pad on the pressure plate, which can effectively prevent the occurrence of indentation on the surface of the parts.

Description

technical field [0001] The invention belongs to the technical field of mechanical processing, and relates to a special drill die for shaft parts, in particular to a drill die suitable for space holes of shaft parts. Background technique [0002] Shaft parts are widely used in the machining field. Due to the use requirements, there are often spatial hole features, such as Figure 1-4 As shown, there are holes C and holes D to be machined on the end face E of the parts to be machined in the present invention, and the included angle between the axes of the holes C and the holes D is 26°; G and hole H are not in the same plane. Due to the complex structure of the shaft parts, and the holes to be machined are all spatial holes, it is difficult to achieve fast and convenient clamping and positioning by the conventional planning line method. In the prior art, four sets of assembling fixtures are required to process holes C, D, G, and H. To achieve clamping positioning. [0003] T...

AI Technical Summary

Problems solved by technology

Due to the complex structure of the shaft parts, and the holes to be processed are all space holes, it is difficult to achieve fast and convenient clamping and positioning by the conventional planning line method. The existing technology requires four sets of assembly fixtures to process holes C, D, G, and H. In order to achieve clamping positioning

[0003] The existing technology has the following problems: ①Each hole requires a set of assembly fixtures. Due to the accumulation of errors, there are a large number of reference conversion errors, which affect the machining accuracy of the holes; ②The assembly fixtures have unstable assembly quality, long assembly cycle, and production preparation time. Long, bulky assembly fixtures, labor-intensive installation and disassembly by workers, high manufacturing costs and storage costs for assembly fixtures; ③ Four sets of assembly fixtures are required for four holes, each clamping time is long, repetitive workload is large, and efficiency is low. If the number of parts is large, this problem is more prominent; ④ The surface roughness of the bottom surface F of the shaft parts to be processed is high, and the existing method is direct rigid contact clamping, which is easy to produce indentations on the bottom surface F, which affects product quality

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