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Method for fine adjusting for boring cutter tool feed amount and adjustment device

A technology of feed amount and tool, applied in the field of machining tools, can solve the problems of complex shape of parts, influence of boring accuracy, large center of gravity offset, etc., to achieve simple shape, good linear characteristics, and small center of gravity offset Effect

Inactive Publication Date: 2009-12-02
邱寿山
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of adjustment device will inevitably result in more parts that cooperate with each other and the shape of the parts is more complicated, and the processing is more difficult; and because there is a gap between the linear moving parts, the boring accuracy will be affected if the maintenance and adjustment are not careful; Large displacement is not conducive to high-speed cutting; and because the screw pitch cannot be too small, the fine-tuning is also restricted, and the fine-tuning accuracy of this product is generally difficult to reach 0.01mm substantially

Method used

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  • Method for fine adjusting for boring cutter tool feed amount and adjustment device
  • Method for fine adjusting for boring cutter tool feed amount and adjustment device
  • Method for fine adjusting for boring cutter tool feed amount and adjustment device

Examples

Experimental program
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Effect test

Embodiment 1

[0038] see image 3 , Figure 4 , Figure 5 , the micro-adjustment device of the tool feed amount of the present embodiment is applied to a milling machine. The taper shank of the tool handle body 1 is matched with the taper hole of the milling machine spindle, and there is an eccentric taper hole 11 deviated from the axis of the tool handle body 1 on the tool handle body 1 . In the eccentric taper hole 11, the rotating cone 2 is installed through the end cap and the compression ring 6 which are threadedly connected with the handle body 1. On the rotating cone 2, there is also a taper hole 21 deviated from the axis of the rotating cone 2. In the taper hole 21 of the rotary cone 2 axis, a replaceable tool bar 8 is housed, and a cutter 82 is installed by a fastening screw 81 at the front end of the replaceable tool bar 8 .

[0039] A worm wheel 3 is installed on the rotating cone 2 , and of course the worm wheel 3 can also be directly processed on the outer surface of the rota...

Embodiment 2

[0044] see Figure 6-Figure 9 , The micro-adjustment device with feed rate of this embodiment is applied to a milling machine, and the taper handle of the tool handle body 1 is matched with the taper hole of the milling machine spindle.

[0045] The fine-tuning accuracy can be designed according to the principle. In this embodiment, the worm screw 4 is designed to make one turn, and the diameter is reduced by 0.5 millimeters. The rotary diameter reduction indicator dial 7 on the worm screw 4 has 50 scale lines, indicating that each grid has a diameter reduction of 0.01 millimeters.

[0046] In this embodiment, in the eccentric taper hole 11 of the handle body 1 , the rotating cone 2 with the taper hole 21 is installed through the pressure spring ring 6 and the anti-loosening cover 61 threadedly connected with the handle body 1 . The axis of the tapered hole 21 coincides with the axis of the rotating cone 2 .

[0047] The incomplete worm gear 31 in the worm and gear mechanism ...

Embodiment 3

[0055] Embodiment 3 is applied to machining center machine tools, such as Figure 10 As shown, the difference from Embodiment 2 is: 1. The taper shank of the tool handle body 1 cooperates with the taper hole of the spindle of the machining center; 2. Two forms of linear movement and rotary diameter reduction are adopted.

[0056] Cutter 82 and replaceable cutter bar 8 adopt screw drive, and a straight line moving variable-diameter indicator dial 84 is arranged on the drive screw rod, and indicating line is engraved on the replaceable cutter bar 8.

[0057] Cutter 82 and replaceable cutter bar 8 can adopt oblique line or linear movement variable diameter, and the included angle between the axis of cutter and the axis of replaceable cutter bar 8 is blind hole or through hole design according to processing object.

[0058] Rotary variable diameter is adopted on the tool handle body 1, and the fine-tuning accuracy can be designed according to the above-mentioned principle. In this...

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Abstract

A fine adjustment method and adjustment device for the feed rate of a boring tool. When the tool tip is driven by a driving mechanism to rotate around the center of the tool handle body with an offset distance of e, the change of the tool tip relative to the tool handle body axis is realized. Diameter purpose, and obtain precise variable diameter value prompts. The device includes a handle body, which has a tapered hole whose axis deviates from the axis of the handle body; a rotating cone matched with the tapered hole, which is provided with a tapered hole; installed on the rotating cone The replaceable tool rod in the taper hole is equipped with a tool; it is installed on the tool handle body and can drive the rotating cone to rotate, and then drive the replaceable tool rod to rotate, realizing the worm gear drive of the tip micro-feeding mechanism. The invention has the advantages of good linearity and high adjustment precision, and the fine-tuning precision can easily reach 0.002 mm. The device has the advantages of simple parts, good structural rigidity, convenient operation and small center of gravity deviation, and can be used for high-speed cutting. It is suitable for various boring conditions of various boring machines, milling machines, drilling machines, machining centers and other hole processing machines.

Description

technical field [0001] The invention relates to the technical field of machining tools, in particular to a method and an adjusting device for adjusting the feed rate of a tool, in particular to a fine-tuning method and an adjusting device for the feed rate of a boring tool. Background technique [0002] As we all know, the currently used fine-tuning boring tool bar is composed of a tool handle body with a linear guide rail, a moving body matched with the guide rail, a screw transmission mechanism, a replaceable tool bar, a linear moving variable diameter indicating dial, and a tool fastening tool. Composed of screws, the principle is as follows figure 1 As shown, the technical feature can be said to be a finely adjustable boring tool bar with linear movement and diameter reduction. The moving body changes the radial position along the screw axis direction under the drive of the screw transmission mechanism to achieve the purpose of diameter reduction. This kind of adjustmen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q15/013B23B47/18
Inventor 邱寿山
Owner 邱寿山
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