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Hard alloy indexable taper drill and machining method thereof

A cemented carbide and taper technology, used in metal processing equipment, manufacturing tools, milling machine equipment, etc., can solve the problems of narrow use range, poor taper drill hardness, increased use cost, etc., to improve service life, easy to replace, improve The effect of hardness

Pending Publication Date: 2022-05-10
常州英曼斯工具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1) The drill pipe and drill bit in the existing taper drill are generally integrated design, which is not easy to disassemble. When the drill pipe or drill bit is seriously worn during use, it cannot be replaced in a targeted manner, and the entire taper drill is often replaced. Replacement, increase the cost of use;
[0005] The milling inserts of the existing taper drills cannot be disassembled, and the inserts can only mill holes with one precision, so the scope of use is narrow, and the hardness of the taper drills is relatively poor, which is extremely susceptible to wear and affects its service life

Method used

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  • Hard alloy indexable taper drill and machining method thereof
  • Hard alloy indexable taper drill and machining method thereof
  • Hard alloy indexable taper drill and machining method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] see Figure 1~7 , a cemented carbide indexable taper drill, including

[0039] The drill pipe 1 has a clamping groove 2 fixed on one side of the side wall, and a positioning groove 3 is fixed inside the center of its lower end, and a threaded hole 4 is provided through the side walls on both sides of the positioning groove 3;

[0040] The drill bit 7 has a positioning column 6 fixedly installed at the center of its upper end, and a through hole matching the threaded hole 4 is provided through the lower side of the positioning column 6;

[0041] The tool seat 9 is fixedly mounted on the lower end of the drill bit 7, and its two opposite sides are respectively provided with installation grooves 25, and the middle position of the installation groove 25 is provided with a plurality of annularly distributed positioning holes 30;

[0042] The blade 10 is provided with a mounting disc 26 on its surface, and the mounting disc 26 is annularly provided with a positioning bolt 27...

Embodiment 2

[0047] see Figure 1~7 , a cemented carbide indexable taper drill, including

[0048] The drill pipe 1 has a clamping groove 2 fixed on one side of the side wall, and a positioning groove 3 is fixed inside the center of its lower end, and a threaded hole 4 is provided through the side walls on both sides of the positioning groove 3;

[0049] The drill bit 7 has a positioning column 6 fixedly installed at the center of its upper end, and a through hole matching the threaded hole 4 is provided through the lower side of the positioning column 6;

[0050] The tool seat 9 is fixedly mounted on the lower end of the drill bit 7, and its two opposite sides are respectively provided with installation grooves 25, and the middle position of the installation groove 25 is provided with a plurality of annularly distributed positioning holes 30;

[0051] The blade 10 is provided with a mounting disc 26 on its surface, and the mounting disc 26 is annularly provided with a positioning bolt 27...

Embodiment 3

[0056] A cemented carbide indexable taper drill 8, the hole processing method of the taper drill is as follows:

[0057] A. First connect the drill pipe 1 and the drill bit 7, insert the positioning column 6 provided on the drill bit 7 into the positioning groove 3 provided inside the drill pipe 1, and then clamp it on the side wall of the drill pipe 1 with the clamping rod 22 In the clamping groove provided above, the preliminary fixation of the drill rod 1 and the drill bit 7 is realized, and then the fastening bolt 5 is passed through the threaded hole 4 and the through hole, thereby realizing the fixation between the drill rod 1 and the drill bit 7;

[0058] B, the blade 10 is installed, and the blade 10 is fixed to the mounting groove 25 through the cooperation between the installed mounting plate 26, the positioning hole 30 and the positioning bolt 27;

[0059] C. Install the taper drill, connect the taper drill to the machine tool through the set clamping groove 2, and ...

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Abstract

The invention discloses a hard alloy indexable taper drill and a machining method thereof. The hard alloy indexable taper drill comprises a drill rod, a drill bit, a tool apron and a blade. The drilling device has the beneficial effects that a positioning column, a positioning groove, a clamping rod, a fastening bolt, a threaded hole and a clamping groove are matched, a drill rod and a drill bit can be fixed, the fixing mode is simple, and when the drill bit or the drill rod is damaged, a pressing block is pressed, so that the pressing block compresses a first movable block; the first movable block extrudes the clamping rod in the clamping groove, so that the clamping rod is separated from the clamping groove, the drill bit is detached, and the drill bit or a drill rod is convenient to replace; the blade is provided with the finish-milling blade and the rough-milling blade, the finish-milling blade and the rough-milling blade are both provided with the anti-rust coatings, the corresponding blades can be conveniently selected according to actual drilling, the drill rod and the drill bit are both made of hard alloy materials, the hardness of the taper drill can be improved, and then the service life of the taper drill is prolonged.

Description

technical field [0001] The invention relates to a taper drill, in particular to a cemented carbide indexable taper drill and a processing method thereof, belonging to the technical field of milling cutters. Background technique [0002] A milling cutter is a rotating tool with one or more teeth for milling. Each tooth is equivalent to a turning tool fixed on the rotating surface of the milling cutter. The cutting edge that participates in cutting at the same time during milling is longer. And there is no empty stroke, and it is also high, so the productivity is high. There are many types of milling cutters, different structures, and a wide range of applications. There are three major categories of milling cutters, milling cutters of general specifications have been standardized, and are generally produced by professional tool factories, and taper drills are also a type of tool. [0003] And existing taper drill has some problems when using: [0004] 1) The drill pipe and d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23C5/10B23C5/26
CPCB23C5/109B23C5/26
Inventor 金如荣於兵毛志尚
Owner 常州英曼斯工具有限公司
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