CN201744715U - Improved automatic helical-milling device - Google Patents

Improved automatic helical-milling device Download PDF

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Publication number
CN201744715U
CN201744715U CN2010202636818U CN201020263681U CN201744715U CN 201744715 U CN201744715 U CN 201744715U CN 2010202636818 U CN2010202636818 U CN 2010202636818U CN 201020263681 U CN201020263681 U CN 201020263681U CN 201744715 U CN201744715 U CN 201744715U
Authority
CN
China
Prior art keywords
sleeve
milling
axis
drive unit
cutter
Prior art date
Application number
CN2010202636818U
Other languages
Chinese (zh)
Inventor
秦旭达
王�琦
王海艳
滑松
Original Assignee
天津大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 天津大学 filed Critical 天津大学
Priority to CN2010202636818U priority Critical patent/CN201744715U/en
Application granted granted Critical
Publication of CN201744715U publication Critical patent/CN201744715U/en

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Abstract

The utility model discloses an improved automatic helical-milling device, which includes a cutter autorotation system, a radial migration system and a revolution system, and further includes an outer sleeve with an inner bore, wherein a motor base is externally connected with the outer sleeve; the cutter autorotation system includes a drive device, an output shaft of the drive device is connected with a clamp clamping a cutter, an inner sleeve is sleeved outside a cylindrical outer contour of the drive device, the inner sleeve is arranged in the inner bore of the outer sleeve, and the axis of the output shaft of the drive device is deviated from the axis of the outer contour of the outer sleeve; the radial migration system includes a second rotary motor, a connecting cover of the second rotary motor is fixedly connected with the outer sleeve, and an output shaft of the second rotary motor is fixedly connected with the outer-contour coaxial line of the inner sleeve; and the revolution system includes a first rotary motor arranged in the middle of a base, the inner ring of the first rotary motor is fixedly connected on the outer sleeve, and the outer ring of the first rotary motor is fixedly connected on the base. Due to the adoption of the device, air inlet and outlet channels of a pneumatic motor can be arranged reasonably, the dimension of equipment is reduced and the helical-milling device is convenient to arrange and install.

Description

A kind of improved automatic spiral hole-milling device
Technical field
The utility model relates in a kind of large aircraft assembling process, and automatic drill riveting equipment is indispensable equipment, relates in particular to the automatic spiral hole-milling device.
Background technology
China is in the period of manufacturing technology fast development now, and machining is as the main fundamental technology of manufacturing technology.Aero-Space are one of of paramount importance parts of manufacturing industry, are the new and high technology industries of enrichment the most.In aviation was made, a large amount of parts all needed to assemble, and needed the thousands of hole of processing.The present generation aircraft assembling has proposed new requirement to automatic drilling.Because the requirement of present generation aircraft structure long-life, stealthy, structure interchangeability etc., so require the assembling drilling more smart, tighter; Secondly difficult-to-machine materials such as composite, titanium alloy are used the proportion increasing, and this has improved the difficulty of drilling; Particularly large aircraft is to the efficient high-quality of the requirement of a large amount of oversized hole for aircraft, and this has also improved the difficulty of drilling.
In traditional boring procedure, the linear velocity of the alignment of shafts is zero, the center that is its drill bit does not participate in cutting, and the removal of this central area workpiece material is to rely on the downward thrust of rig that it is extruded fully, thereby boring to add the Z that drill bit bore in man-hour very big to power, when high rigidity materials such as machining titanium alloy, the quick wear out failure of cutter is a general phenomenon very.The conventional borehole process is a continuous working angles, blade contacts all the time with workpiece, and blade and workpiece contact-making surface temperature are very high during cutting, and the thermal conductivity of titanium alloy is poor again, working angles causes the accumulation of heat, and this wear out failure that also will speed up cutter causes machined surface quality to descend.
PCT application PCT/SE94/00085 discloses a kind of hand-operated tools that utilizes above-mentioned processing technology drilling.This patent comprises: one can be around the axis of himself and the tool mounting of a main shaft rotation, one is used for along the pivot center parts of this tool mounting of vertical direction adjusted that is positioned at this some surface, axial feed parts with respect to workpiece, one is used to regulate the main shaft of tool mounting and the parts of the radial distance between the rotation.The disclosed hand-operated tools of this patent can not provide a kind of practicable usability scheme and it far can not satisfy in the aviation field requirement to the hole crudy.Because its open defect is: the location armrest is moving, badly influences the positional precision in hole like this, and hand-held, and too big rigidity can not be provided, and this also can have influence on the axiality and the surface quality in hole.A basic demand for this hand-operated tools is exactly a light weight and easy to use, and this patent does not provide the structure of a kind of compact conformation and light weight.
The patent No. is 200910306026.8 " automatic spiral hole-milling unit ", be to have utilized helical milling technology to solve the drilling problem of aviation difficult-to-machine material equally, the characteristics that have automation with respect to the PCT/SE94/00085 patent, but this scheme does not provide the reasonable passage of air motor air inlet and exhaust, and the electric rotating machine of realizing revolution on the structure is positioned at the unit front end, increase the axial dimension of unit, and be unfavorable for the laying of rear end, unit air supply system and control circuit.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of air motor air inlet and exhaust passage of making rationally to be provided with, and is easy for installation and reduced a kind of improved automatic spiral hole-milling device of the size of equipment.
A kind of improved automatic spiral hole-milling device of the present utility model, it comprises cutter rotation system, the radial deflection system, the revolution system, it also comprises an outer sleeve with endoporus, the axis of the axis of the endoporus of described outer sleeve and the outline of described outer sleeve is provided with for biasing, outside described outer sleeve, be connected with support by bearing, described cutter rotation system comprises the drive unit with cylinder outline, the output shaft of described drive unit links to each other with a jig that accompanies cutter, outside at described drive unit cylinder outline is with inner sleeve, described inner sleeve is arranged in the described outer sleeve endoporus rotationally by bearing, the axis bias setting of the axis of the output shaft of described drive unit and the outline of outer sleeve, described radial deflection system comprises second electric rotating machine with electromagnetic brake device, the connection cover of second electric rotating machine and described outer sleeve are fixedly linked and the outline coaxial line of its output shaft and described inner sleeve is fixedly linked, described revolution system comprises first electric rotating machine that is arranged in the middle of the pedestal, and the inner ring of described first electric rotating machine connects firmly on outer sleeve, the outer ring connects firmly on support.
Adopt the beneficial effect of the utility model device to be:
In the utility model device because the middle part that first electric rotating machine is arranged on pedestal makes the air inlet of air motor and exhaust passage rationally to be provided with, thereby simultaneously adopted electric rotating machine to reduce the size of equipment, and inner sleeve is housed outside the housing of air motor has made easier for installation owing to drive the motor of radial deflection and revolution.
Description of drawings
Accompanying drawing is the structural representation of a kind of improved automatic spiral hole-milling device of the present utility model.
The specific embodiment
Below in conjunction with specific embodiment, and, the utility model is described further with reference to accompanying drawing:
The utility model device is to be 200910306026.8 in the patent No., and denomination of invention is the improvement on " automatic spiral hole-milling unit " patent basis.
A kind of improved automatic spiral hole-milling device of the present utility model, it comprises cutter rotation system, the radial deflection system, the revolution system, it also comprises an outer sleeve 5 with endoporus, the axis of the axis of the endoporus of described outer sleeve 5 and the excircle of described outer sleeve is provided with for biasing, outside described outer sleeve, be connected with support 7 by bearing, described cutter rotation system comprises the drive unit 3 with cylinder outline, the output shaft of described drive unit 3 links to each other with a jig 2 that accompanies cutter 1, outside at described drive unit cylinder outline is with inner sleeve 4, described inner sleeve 4 is arranged in the described outer sleeve endoporus rotationally by bearing, the axis bias setting of the axis of the output shaft of described drive unit 3 and the outline of outer sleeve, described radial deflection system comprises second electric rotating machine 9 with electromagnetic brake device, the connection cover 8 and the described outer sleeve of second electric rotating machine 9 is fixedly linked and the outline coaxial line of its output shaft and described inner sleeve is fixedly linked, described revolution system comprises first electric rotating machine 6 with electromagnetic brake device that is arranged in the middle of the pedestal, and the inner ring of described first electric rotating machine 6 connects firmly on outer sleeve 5, the outer ring connects firmly on support.Drive unit can adopt air motor 3 or electric main shaft.
Operation principle is as follows: cutter 1 again around the revolution of support axis, is realized the processing in hole like this with the processing technology of helical milling in around the rotation of center cutter line.The rotation of cutter is realized by air motor 3 or electric main shaft.Radial deflection relatively rotates realization by air motor 3 and outer sleeve 5.The interior profile and the outline of outer sleeve are off-centre operations, and the outer inner sleeve outline of air motor and the axis of cutter do not overlap yet, so drive the distance that just can adjust support axis and tool axis that relatively rotates that air motor and outer sleeve are adjusted in the air motor rotation by second electric rotating machine, thereby adjust the radial deflection distance.Revolution is to connect firmly by the inner ring of first electric rotating machine and outer sleeve 5, and the outer ring of first electric rotating machine and support 7 connect firmly realization.When revolution, air motor and outer sleeve 5 connect firmly by the electromagnetic brake effect of first electric rotating machine 6, because cutter and inner sleeve outline disalignment so the axis of cutter can rotate along the axis of support, are finished revolution.

Claims (3)

1. improved automatic spiral hole-milling device, it comprises cutter rotation system, the radial deflection system, the revolution system, it also comprises an outer sleeve with endoporus, the axis of the axis of the endoporus of described outer sleeve and the outline of described outer sleeve is provided with for biasing, outside described outer sleeve, be connected with support by bearing, described cutter rotation system comprises the drive unit with cylinder outline, the output shaft of described drive unit links to each other with a jig that accompanies cutter, it is characterized in that: the outside at described drive unit cylinder outline is with inner sleeve, described inner sleeve is arranged in the described outer sleeve endoporus rotationally by bearing, the axis bias setting of the axis of the output shaft of described drive unit and the outline of outer sleeve, described radial deflection system comprises second electric rotating machine with electromagnetic brake device, the connection cover of second electric rotating machine and described outer sleeve are fixedly linked and the outline coaxial line of its output shaft and described inner sleeve is fixedly linked, described revolution system comprises first electric rotating machine that is arranged in the middle of the pedestal, and the inner ring of described first electric rotating machine connects firmly on outer sleeve, the outer ring connects firmly on support.
2. a kind of improved automatic spiral hole-milling device according to claim 1, it is characterized in that: described drive unit is an air motor.
3. a kind of improved automatic spiral hole-milling device according to claim 1, it is characterized in that: described drive unit is electric main shaft.
CN2010202636818U 2010-07-19 2010-07-19 Improved automatic helical-milling device CN201744715U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202636818U CN201744715U (en) 2010-07-19 2010-07-19 Improved automatic helical-milling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202636818U CN201744715U (en) 2010-07-19 2010-07-19 Improved automatic helical-milling device

Publications (1)

Publication Number Publication Date
CN201744715U true CN201744715U (en) 2011-02-16

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CN2010202636818U CN201744715U (en) 2010-07-19 2010-07-19 Improved automatic helical-milling device

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102689040A (en) * 2012-05-15 2012-09-26 上海飞机制造有限公司 Hole helical milling device
CN102717135A (en) * 2012-06-14 2012-10-10 南京信息职业技术学院 Automatic spiral hole milling device and method
CN103100734A (en) * 2013-01-24 2013-05-15 南京信息职业技术学院 Drilling tail end actuator
CN103192125A (en) * 2013-03-28 2013-07-10 大连理工大学 Portable spiral hole milling device and machining method
CN104028815A (en) * 2014-06-09 2014-09-10 东北大学 Oblique planetary helical milling method and device applicable to carbon fibre composite material
CN104439445A (en) * 2014-11-12 2015-03-25 大连理工大学 Spiral hole milling device capable of automatically adjusting hole diameter and working method of spiral hole milling device
CN108515216A (en) * 2018-04-03 2018-09-11 东北大学 A kind of helical milling device

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102689040A (en) * 2012-05-15 2012-09-26 上海飞机制造有限公司 Hole helical milling device
CN102689040B (en) * 2012-05-15 2015-02-11 上海飞机制造有限公司 Hole helical milling device
CN102717135A (en) * 2012-06-14 2012-10-10 南京信息职业技术学院 Automatic spiral hole milling device and method
CN102717135B (en) * 2012-06-14 2014-10-22 南京信息职业技术学院 Automatic spiral hole milling device and method
CN103100734A (en) * 2013-01-24 2013-05-15 南京信息职业技术学院 Drilling tail end actuator
CN103100734B (en) * 2013-01-24 2015-04-01 南京信息职业技术学院 Drilling tail end actuator
CN103192125A (en) * 2013-03-28 2013-07-10 大连理工大学 Portable spiral hole milling device and machining method
CN104028815A (en) * 2014-06-09 2014-09-10 东北大学 Oblique planetary helical milling method and device applicable to carbon fibre composite material
CN104439445A (en) * 2014-11-12 2015-03-25 大连理工大学 Spiral hole milling device capable of automatically adjusting hole diameter and working method of spiral hole milling device
CN108515216A (en) * 2018-04-03 2018-09-11 东北大学 A kind of helical milling device
CN108515216B (en) * 2018-04-03 2019-04-30 东北大学 A kind of helical milling device

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110216

Termination date: 20130719

C17 Cessation of patent right