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Power head structure of deep-hole drilling machine

A technology of deep hole drilling machine and power head, which is applied to the parts of boring machine/drilling machine, boring/drilling, drilling/drilling equipment, etc. It can solve the problems of poor precision, large structure size and low speed, and achieve structural Small size, wide speed range effect

Active Publication Date: 2009-08-12
鹰普(中国)有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the existing technology, most of the power heads adopt ordinary frequency conversion motors, the speed is low (≤3000RPM), the precision is poor (large radial runout, large axial movement), the structure size is large, and the middle cannot pass high voltage Coolant

Method used

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  • Power head structure of deep-hole drilling machine
  • Power head structure of deep-hole drilling machine

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Embodiment Construction

[0009] The present invention will be further described below in conjunction with specific drawings and embodiments.

[0010] As shown in the figure: the present invention mainly consists of arbor chuck 1, axial positioning sleeve 2, main shaft 3, bearing 4, inner spacer 5, outer spacer 6, main shaft seat 7, lock nut 8, spacer 9, Synchronous pulley 10, locking retaining ring 11, rotary joint 12, cover plate 13, middle plate 14, rear box body 15, tension seat 16, tension screw 17, front box body 18, spacer sleeve 19, driving wheel 20 , pressing plate 21, synchronous driving belt 22, front cover plate 23, flange 24, gun drill 25, main shaft motor 26, oil nozzle 27, axle hole 28 and parts such as coolant ejection hole 29 constitute.

[0011] The power head structure of the deep hole drilling machine of the present invention comprises a main shaft motor 26, a front box body 18, a rear box body 15, a main shaft 3 and a main shaft seat 7, and the front box body 18 and the rear box bo...

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Abstract

The invention relates to a unit head structure of deep hole drilling machine. The front end part of an output shaft of a spindle motor extends into a hollow cavity of a motor mounting box body; an output shaft of the spindle motor is provided with a drive wheel; a spindle seat is fixed on a front box body and the spindle seat is internally connected with a spindle in a rotating way; a synchronous drive belt is fixed on a synchronous pulley and the drive wheel; the spindle is sheathed with a spindle bushing and is fixed with a tool holder clip. The invention is characterized in that shaft holes are arranged inside the spindle and the tool holder clip; a rotary joint is arranged in the rear end part of the shaft hole of the spindle; a gun drill is arranged in the front end part of the shaft hole of the tool holder clip; the gun drill is internally provided with a cooling liquid ejection hole communicated with the shaft holes of the spindle and the tool holder clip. With wide range of rotation speed, the invention can achieve 500 to 8,000r / min stepless speed regulation; with small structure, the motor can be arranged on the left side or right side of the rectangular box body according to the need; cooling liquid of 12MPa can pass through the spindle; the fixation of the gun drill is convenient and the axial fine regulation can be made.

Description

technical field [0001] The invention relates to a power head structure of a deep hole drilling machine. Specifically, the power head is a power element that drives a deep hole drill bit to rotate at high speed, and belongs to the technical field of deep hole drilling. Background technique [0002] In the existing technology, most of the power heads adopt ordinary frequency conversion motors, the speed is low (≤3000RPM), the precision is poor (large radial runout, large axial movement), the structure size is large, and the middle cannot pass high voltage Coolant. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies in the prior art, to provide a high-speed rotation, high rotation accuracy, small structural size, and high-pressure cooling fluid in the middle of the rotating shaft. The power head structure of the deep hole drilling machine. [0004] According to the technical solution provided by the present invention, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B41/02B23B47/06B23B47/16B23Q11/12B23Q11/10
Inventor 吕春光曹华锋
Owner 鹰普(中国)有限公司
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