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Holding and clamping type boring cutter head

A boring cutterhead and clamp-type technology, which is applied in the field of clamp-type boring cutterheads, can solve the problems of wedge-shaped bevel angle and matching dimension accuracy, difficulty in processing wedge-shaped dovetail grooves, and a large number of spare adjustment cutter heads, etc. , to achieve significant economic and social benefits, simple structure, and low cost

Pending Publication Date: 2020-04-21
茅保富
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The adjustable boring cutter head I applied for on December 25, 2015 has the characteristics of smooth cutting, no vibration, and high processing efficiency, but there are also problems that blind holes cannot be processed, inner holes below Ф120mm cannot be processed, and there are too many spare adjustment heads And the adjustment range is small, the wedge-shaped dovetail groove is difficult to process, and the wedge-shaped bevel and matching dimension accuracy are too high.

Method used

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  • Holding and clamping type boring cutter head
  • Holding and clamping type boring cutter head
  • Holding and clamping type boring cutter head

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Rough boring clamp type boring cutter head 1 (see figure 1 , figure 2 ), four 90° J-type boring cutters are installed in the rectangular tool holders that are evenly distributed along the circumferential direction of the cutterhead end face. The end face of the adjusting screw at the end of the cutter body is close to the side of the positioning stud on the cutter head. The four cutting edges are on the same axial plane. Rotating the adjusting screw can adjust the cutter to the same processing radius arbitrarily, and the processing diameter adjustment range can reach 40mm. The 4 cutter heads of the cutter head cut at the same time, the cutting force they bear is equal, the directions are opposite, and the up and down, left and right cancel each other out. Compared with single-blade cutting (same cutting depth), the cutting speed can be increased by about 2 times, and the cutting amount can be increased by 4 times.

Embodiment 2

[0025] Rough boring clamp type boring head 2 (see Figure 5 , Figure 6 ), 8 J-type 90° boring cutters are evenly installed on the end face of the cutter head along the circumferential direction, suitable for processing inner holes above Ф200mm. The 8 cutter heads of this cutter head are processed at the same time, the cutting is stable, the chip removal is smooth, the processing efficiency is more than 10 times that of single-tool machining, and the amount of cutting is 4 times that of double-tool cutting (the same cutting depth), which greatly improves the processing efficiency.

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Abstract

The invention provides a holding and clamping type boring cutter head which is a rough boring cutter for high-speed cutting in the machining industry. 4-16 90-degree J-shaped boring cutters are mounted in rectangular cutter holders which are uniformly distributed on the end surface of the cutter head in the circumferential direction; the cutters are increased when the cutter head gets larger, allblades are located on the same plane in the axial direction, the end face of an adjusting screw rod at the tail of the cutter body is tightly attached to the side face of a positioning stud on the cutter head, the cutter tip can be adjusted to the same machining radius at will by rotating the adjusting screw rod, and the machining diameter adjusting range can reach 40 mm. All cutter bits of the cutter head cut simultaneously, bearing cutting forces are equal in opposite directions and offset vertically and horizontally, and the machining efficiency is more than ten times that of single-cuttermachining. The boring cutter head not only can be used on a boring machine, but also can be used on lathes, planomiller and other machine tools. The boring cutter head is simple in structure, convenient in cutter replacement and low in cost, and is not easy to eliminate although having no high-tech content.

Description

technical field [0001] The invention relates to a cutting tool, in particular to a clamp-type boring cutter head for rough machining inner holes, and belongs to the technical field of machining tools. Background technique [0002] The adjustable boring cutter head I applied for on December 25, 2015 has the characteristics of smooth cutting, no vibration, and high processing efficiency, but there are also problems that blind holes cannot be processed, inner holes below Ф120mm cannot be processed, and there are too many spare adjustment heads Moreover, the adjustment range is small, the wedge-shaped dovetail groove is difficult to process, and the wedge-shaped bevel and matching dimension accuracy are too high. Therefore, it is necessary to improve and upgrade this cutter head to provide more efficient and applicable new cutter products for boring machines. Contents of the invention [0003] The object of the present invention is to address the above-mentioned deficiencies ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B29/034B23B29/24
CPCB23B29/03407B23B29/24
Inventor 茅保富
Owner 茅保富