New high-efficiency whirling milling head

A high-efficiency whirlwind milling technology, used in thread cutting tools, metal processing equipment, tangent devices, etc., can solve problems such as the theoretical centerline and the rotation center of the whirlwind head do not coincide, affect the tooth shape accuracy and finish, and affect the whirlwind milling efficiency. , to achieve the effect of less technical difficulty in installing the knife, accurate positioning and high positioning accuracy
CN101745705AInactive Publication Date: 2010-06-23南靖长青精密丝杆制造有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
南靖长青精密丝杆制造有限公司
Publication Date
2010-06-23
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a new high-efficiency whirling milling head. Four cutter bars are fixedly arranged on four cutter installing grooves on a milling cutter disk, and the milling cutter disk is provided with mouse tooth-shaped gears meshed with the cutter bars, so that the cutter bars can be positioned more reliably and can be assembled and disassembled more conveniently. The positions of the cutter bars in the cutter installing grooves are adjusted by a vernier depth gauge to meet the condition that the center of the top edge of a cutter passes through the axle center of a workpiece. In the invention, the milling cutter disk and a pulley drive mechanism fixing cover are arranged in a whirling milling head cover body, and the lift angle of a milling head which is integrally connected with the whirling milling head cover body is adjusted through a set of screw bevel gear mechanism. After the cutter bars are worn, only the top surfaces of the obtuse parts of the cutter bars need to be ground, the tooth thickness and the cutting center line of the cutter bars can not be changed, the cutter bars can be reground for many times, and the dimensional accuracy and the positioning accuracy of the cutter bars can not be changed. The cutter which is ground by being vertically inclined for 13 degrees by the cutter bars is in a shortened tooth shape, still has very high strength and can be used for powerful high-speed milling.
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Description

technical field

[0001] The invention relates to the field of mechanical processing, in particular to a milling head device of a whirlwind milling screw machine tool. Background technique

[0002] For the milling head device of the whirling milling screw in the prior art, please refer to the ZL200420038752.9 disclosed in the Chinese patent document on February 2, 2005. In the tool slot, the milling cutter disc is rigidly connected to the cutter shaft and connected to a belt transmission mechanism. The outer circle of one end of the cutter shaft is equipped with a bearing, the outer ring of the bearing is installed on the swing bracket, and the other end of the swing bracket is equipped with a motor, which is driven by the belt. Mechanism connection, the swing shafts at both ends of the swing support are installed on the milling cutter seat, and the swing shaft of the swing support is connected with a swing adjustment mechanism; a set of grooves on the plane of the milling cut...

Claims

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