Self-alignment type clamping device for drilling

A clamping device and automatic centering technology, which is applied in the direction of drilling dies for workpieces, expanding mandrels, etc., can solve the problems that the machining accuracy cannot be effectively guaranteed, the labor intensity of laborers is increased, and the scribing work is complicated. To achieve the effect of easy promotion and use, light weight and simple structure

Inactive Publication Date: 2016-06-15
XIAN ZHIYUE ELECTROMECHANICAL TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Disc-shaped or ring-shaped workpieces such as flanges and end caps are common parts in the machining industry. The traditional method of processing such holes is to go through a marking process before drilling. Since ring-shaped workpieces have a central

Method used

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  • Self-alignment type clamping device for drilling
  • Self-alignment type clamping device for drilling
  • Self-alignment type clamping device for drilling

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Embodiment Construction

[0022] like Figure 1-Figure 4 The shown clamping device for self-centering drilling includes a chassis 1 that acts as a fixed support and a plurality of drill sleeves 2 for guiding the drill bit to drill holes on the annular workpiece 7 to be processed, and also includes The disc-shaped expansion sleeve 3 of the annular workpiece 7 to be processed and the drill template 4 with the boss 4-1 arranged on the lower end surface; the upper side of the chassis 1 is provided with the drill template 4, and the drill template 4 A plurality of drill sleeves 2 are fixedly arranged, a screw rod 5 is arranged in the middle of the drill template 4, a drive nut 6 is arranged on the upper end of the screw rod 5, and the disc-shaped expansion sleeve 3 is set on the lower end of the screw rod 5, and the The inside of the disk-shaped expansion sleeve 3 is provided with a taper angle matched with the boss 4-1, and the upper side of the disk-shaped expansion sleeve 3 is uniformly provided with at ...

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Abstract

The invention discloses a self-aligning type clamping device for drilling. The clamping device comprises a bottom plate, a plurality of drill bushings, a disc-shaped expansion bushing and a drill plate with the lower end face provided with a boss. The drill plate is arranged on the upper side of the bottom plate, the drill bushings are fixedly arranged on the drill plate, a screw rod is arranged in the middle of the drill plate, and a driving nut is arranged at the upper end of the screw rod. The lower end of the screw rod is sleeved with the disc-shaped expansion bushing, a taper angle matched with the boss is formed inside the disc-shaped expansion bushing, and at least two expansion grooves are evenly formed in the upper side of the disc-shaped expansion bushing in the circumferential direction of the disc-shaped expansion bushing. The self-aligning type clamping device for drilling has the following characteristics that self-alignment is achieved, drilling position precision is high, expansion force is large, and deviation is avoided in the machining process; the clamping device is reasonable in design, simple in structure, convenient to operate, small in size, low in weight, convenient to disassemble and assemble, long in service life and convenient to use and popularize.

Description

technical field [0001] The invention belongs to the technical field of mechanical processing and relates to a simple clamp, in particular to an automatic centering clamping device for drilling. Background technique [0002] Disc-shaped or ring-shaped workpieces such as flanges and end caps are common parts in the machining industry. The traditional method of processing such holes is to go through the marking process before drilling. Since ring-shaped workpieces have a central hole, there is no need to It is easy to find the center point, so the marking work is quite complicated, which greatly increases the labor intensity of the laborers, reduces the production efficiency and the machining accuracy cannot be effectively guaranteed. Contents of the invention [0003] The object of the present invention is to overcome the shortcomings in the above-mentioned prior art, and provide an automatic centering clamping device for drilling, which can be automatically centered, has hi...

Claims

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Application Information

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IPC IPC(8): B23B31/40B23B47/28
Inventor 黄冰
Owner XIAN ZHIYUE ELECTROMECHANICAL TECH
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