CN103128354B - Eccentricity adjustment mechanism and handheld helical hole milling device thereof and helical hole milling method - Google Patents
Eccentricity adjustment mechanism and handheld helical hole milling device thereof and helical hole milling method Download PDFInfo
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- CN103128354B CN103128354B CN201310037325.2A CN201310037325A CN103128354B CN 103128354 B CN103128354 B CN 103128354B CN 201310037325 A CN201310037325 A CN 201310037325A CN 103128354 B CN103128354 B CN 103128354B
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Abstract
The invention discloses an eccentricity adjustment mechanism, a handheld helical hole milling device of the eccentricity adjustment mechanism, and a helical hole milling method, and belongs to the technical field of flexible machining equipment. The eccentricity adjustment mechanism is used for eccentricity adjustment on a controlled device. The handheld helical hole milling device is used for milling a hole helically in a workpiece. The handheld helical hole milling device is regarded as the controlled device, the eccentricity adjustment mechanism can be used for the eccentricity adjustment of a cutter on the handheld helical hole milling device, and therefore the handheld helical hole milling device can be used for realizing the operation that different bore diameters can be machined through the one cutter. According to the eccentricity adjustment mechanism, the handheld helical hole milling device of the eccentricity adjustment mechanism, and the helical hole milling method, the structure is simple, the eccentricity adjustment is convenient, and the design difficulties and the overall weights of the eccentricity adjustment mechanism and the handheld helical hole milling device can be effectively lowered.
Description
Technical field
The invention discloses a kind of eccentric adjustable mechanism and hand-held helical milling device thereof and method for helically milling hole
,belong to Flexible Manufacture equipment technology field.
Background technology
With reference to United States Patent (USP) PCT/SE2008/050719, US2003/0143049, PCT/SE03/00467 and Chinese patent CN101633060A, CN101664821A, CN101786180A, CN102794491A etc., existing helical milling device generally comprises cutter self-rotating system, cutter revolution system, cutter axial feeding system and cutter deflection governor motion.Cutter deflection governor motion is the size of revolution-radius when adjusting cutter hole milling, and its degree of regulation will directly affect the machining accuracy of drilling.Be installed between the revolution system of cutter and self-rotating system because cutter deflection governor motion is normally eccentric, its mass eccentricity caused often brings and adds vibration problem in man-hour, especially when high speed, ultrahigh speed hole milling.And the setting of eccentric adjustable mechanism, helical milling device design also can be made to become more complicated, and weight lays particular stress on, thus makes the range of application limiting helical milling device.Chinese patent CN1814409A discloses a kind of eccentricity regulating mechanism, but its complex structure, the eccentric adjusting being directly used in helical milling device has certain difficulty.Patent of the present invention obtains " Digit Control Machine Tool special " funded projects.
Summary of the invention
The present invention is directed to existing eccentric adjustable mechanism complex structure, the deficiency with aspects such as complex structures laid particular stress on by helical milling device complete machine, discloses a kind of hand-held helical milling device and method for helically milling hole of application eccentric adjustable mechanism simple to operate.
A kind of eccentric adjustable mechanism, is characterized in that: comprise housing, worm-wheel shaft, worm gear, worm screw, the first drive motors, the first butt muff, the second butt muff; Described worm-wheel shaft is installed in described housing by bearing, and described worm gear is installed on worm-wheel shaft, described worm screw to be installed in housing by bearing and and worm gear, described first drive motors is fixed on housing, and its output shaft is connected mutually with worm screw one end; Described worm-wheel shaft one end is stretched out housing and is coaxially fixedly connected with described first butt muff; The second described butt muff is positioned at outside the first butt muff, and is fixedly connected with housing; Between second butt muff and the first butt muff, there is offset.
A kind of hand-held helical milling device applying described eccentric adjustable mechanism, it is characterized in that: this hand-held helical milling device comprises described eccentric adjustable mechanism, first butt muff of wherein eccentric adjustable mechanism is provided with N number of first alignment pin, the second butt muff is provided with M the second alignment pin; Described hand-held helical milling device comprises combination gun barrel; Front gun barrel and rear gun barrel is divided into by central dividing plate in combination gun barrel; Axial feed slide block is installed in rear gun barrel, axial feed slide block is provided with lead, rear gun barrel is provided with the gathering sill coordinated with lead; By sliding bearing, revolution housing is installed in front gun barrel; In the central dividing plate of combination gun barrel, transmission nut is installed; Install hollow screw mandrel in transmission nut, macaroni yarn rod rear end is installed on axially in slide block by upper bearing (metal); Axial feed slide block is fixed wtih the second drive motors, the output shaft of the second drive motors is connected with macaroni yarn rod rear end; Revolution housing rear end and hollow screw mandrel front end are connected, and revolution housing forward end is fixed with the first end cap, and first end covers has eccentric orfice; With eccentric manner, rotation assembly is installed in revolution housing, the second end cap that rotation assembly comprises the 3rd drive motors, is connected mutually with the 3rd drive motors; Second end cap front portion has axle journal, goes out axle journal and stretches out the eccentric orfice that first end covers, and make the second end cap and first end cover locking by the fastening screw nut be installed on out on axle journal; 3rd drive motors output shaft stretches out axle journal and connects knife bar, cutter successively; First end covers and is provided with the M corresponding with the second alignment pin of an eccentric adjustable mechanism locating hole; First end covers and be also provided with the N bar deep-slotted chip breaker corresponding with the first alignment pin of eccentric adjustable mechanism around eccentric orfice; The end face of the second end cap is going out around axle journal to be also provided with the N number of guide-localization bolt corresponding with the first alignment pin of eccentric adjustable mechanism, and guide-localization bolt is right through deep-slotted chip breaker; Also handle is installed below above-mentioned rear gun barrel; Above-mentioned front gun barrel front end is also provided with and supports chip removal cover, supports on chip removal cover and is also provided with chip discharging tube.
The method for helically milling hole of described hand-held helical milling device, is characterized in that comprising following process:
The first step, is adjusted to original state by eccentric adjustable mechanism, and namely eccentric adjusting amount is zero; According to treating drilling diameter and cutter for same, determine that the first drive motors carries out the controlled quentity controlled variable of eccentric adjusting; Second step, utilize the rotation assembly that eccentric adjustable mechanism adjusts hand-held helical milling device and the eccentric throw revolved round the sun between housing, detailed process is as follows: first, unload lower support chip removal cover, unclamp fastening screw nut and guide-localization bolt, make the second end cap that rotation assembly can be driven to rotate in revolution housing; Secondly, the second alignment pin on the second butt muff of eccentric adjustable mechanism is inserted first end and cover locating hole; Rotate the second end cap front portion and go out axle journal, make the first alignment pin on the first butt muff to guide-localization bolt on upper second end cap; Tighten fastening screw nut a little, make the first alignment pin on the first butt muff insert guide-localization bolt outside hub hole on the second end cap; Then, start the first drive motors, by worm screw, worm gear, worm-wheel shaft, the first butt muff, drive the second end cap and the 3rd drive motors to rotate relative to the housing that revolves round the sun with cutter, be threaded to corresponding eccentric position; Finally, locking fastening screw nut (2014), takes off eccentric adjustable mechanism, fastening guide-localization bolt, completes cutter and relatively to revolve round the sun the eccentric adjusting of housing; 3rd step, during hole milling, first loads onto and supports chip removal cover, by supporting chip removal cover workpiece pressing; Then the 3rd drive motors starts, carry its tools rotation, and the second drive motors also starts simultaneously, by hollow screw mandrel and transmission nut, drives revolution housing and cutter to carry out axial feed and revolution motion, thus realizes helical milling.
In order to simplify composition structure and the complete machine weight of controlled device, a kind of simple eccentric adjustable mechanism of independent design of the present invention, by the alignment pin one of eccentric adjustable mechanism, alignment pin two respectively with the fixed part of controlled device, being interconnected of rotatable parts, drive worm gear, worm screw, worm-wheel shaft, the first butt muff and alignment pin one, second butt muff and alignment pin two successively by the first drive motors, just can realize the precision adjustment of the relative fixed part bias of moving component of controlled device.
In order to reduce the design weight of helical milling device, the invention discloses a kind of hand-held helical milling device avoiding carrying eccentric adjustable mechanism.Before hole milling, hand-held helical milling device is connected with eccentric adjustable mechanism, according to cutter and the size treating aperture, regulates the eccentric size of cutter clamped by milling device, then takes off eccentric adjustable mechanism; During hole milling, the second drive motors drives revolution housing to rotate by hollow screw mandrel, because the 3rd drive motors bias connecting cutter is arranged on fixing on the second end cap of revolution housing, thus realizes helical milling.
Described hand-held helical milling device, is characterized in that: the distance of described M second alignment pin distance the second butt muff central axis is equal and be uniformly distributed circumferentially; The distance at M locating hole distance the first end cap eccentric orfice center is equal and be uniformly distributed circumferentially.Like this simple for structure.
Described hand-held helical milling device, is characterized in that: described N number of first alignment pin is equal and be uniformly distributed circumferentially apart from the distance of the first butt muff central axis; Described N bar deep-slotted chip breaker is positioned at that the eccentric orfice center of the first end cap same circle that is the center of circle is uniformly distributed circumferentially; It is equal and be uniformly distributed circumferentially that described N number of guide-localization bolt goes out the distance of axle journal central axis apart from the second end cap.Like this simple for structure.
Accompanying drawing explanation
Fig. 1 is the structural representation of the better case study on implementation of hand-held helical milling device one according to eccentricity regulation structure of the present invention and application eccentric adjustable mechanism;
Fig. 2 is the structural representation of eccentricity regulation structure of the present invention;
Fig. 3 is eccentric adjustable mechanism eccentric adjustment concept schematic diagram of the present invention;
Fig. 4 is the internal structure sectional view of hand-held helical milling device of the present invention;
Fig. 5 is that Fig. 4 sheds the left view supporting chip removal cover;
Fig. 6 is the three-dimensional model diagram of the second end cap of the present invention;
Fig. 7 is that milling device of the present invention docks schematic diagram with eccentric adjustable mechanism;
Number in the figure title: 100, eccentric adjustable mechanism, 1001, housing, the 1002, first drive motors, 1003, worm screw, 1004, worm gear, 1005, worm-wheel shaft, the 1006, first butt muff, 1006-1, alignment pin one, 1007, the second butt muff, the cylindrical center of 1007-1, alignment pin two, O1, first butt muff, O2, the second butt muff cylindrical center, the radial offset of e, the first butt muff cylindrical and the second butt muff cylindrical, 200, milling device, 2001, combination gun barrel, 2001-1, front gun barrel, 2001-2, rear gun barrel, 2002, handle, 2003, transmission nut, 2004, hollow screw mandrel, 2005, bearing, 2006, second drive motors, 2007, feeding slide block, 2008, 3rd end cap, 2009, revolution housing, 2010, support chip removal cover, 2010-1, chip removal pipeline, 2011, second end cap, 2011-1, stretch out axle journal, 2011-2, butt end, 2012, 3rd drive motors, 2013, first end cap, 2013-1, deep-slotted chip breaker, 2013-2, locating hole, 2014, fastening screw nut, 2015, knife bar, 2016, cutter, 2017, the axis of guide and pointer, 2018, guide-localization bolt, 2019, set bolt two, 2020, sliding bearing, 2021, scale platform, 2022, bearing (ball) cover.
Detailed description of the invention
Below in conjunction with accompanying drawing and concrete embodiment, the hand-held helical milling device to eccentric adjustable mechanism of the present invention and application eccentric adjustable mechanism is described in detail.
Shown in Figure 1, the hand-held helical milling device of a kind of eccentric adjustable mechanism disclosed by the invention and application eccentric adjustable mechanism, this eccentric adjustable mechanism 100 is for the eccentric adjusting of controlled device; Hand-held helical milling device 200, for the helical milling of workpiece, for the processing of different pore size, can use eccentric adjustable mechanism 100 to adjust the eccentric size of cutter clamped by hand-held helical milling device 200.
Shown in Figure 2, described eccentric adjustable mechanism 100 is mainly made up of housing 1001, first drive motors 1002, worm screw 1003, worm gear 1004, worm-wheel shaft 1005, first butt muff 1006, second butt muff 1007 etc.Be fixed on the first drive motors 1002 on housing 1001 end face, its output shaft is connected to worm screw 1003; The worm gear 1004 matched with worm screw 1003 is sleeved on the worm-wheel shaft 1005 of housing 1001; Worm-wheel shaft 1005 one end is coaxially connected with the second butt muff 1007 through housing 1001; The first butt muff 1006 be sleeved on outside the second butt muff 1007 is connected with housing 1001 side, and the first butt muff 1006 cylindrical and the second butt muff 1007 cylindrical exist certain offset; First butt muff 1006 is provided with three alignment pin one 1006-1, and three alignment pin one 1006-1 are distributed on a circle concentric with the first butt muff 1006 cylindrical; Second butt muff 1007 is also provided with three alignment pin two 1007-1, three alignment pin two 1007-1 are distributed on a circle concentric with the second butt muff 1007 cylindrical; Three alignment pin one 1006-1 insert in a certain fixed part of controlled device (not shown in FIG.), and three alignment pin two 1007-1 insert in a certain moving component of controlled device (not shown in FIG.).
Shown in Fig. 4,5,6,7, described hand-held helical milling device 200 mainly comprises combination gun barrel 2001, handle 2002, support chip removal cover 2010, transmission nut 2003, hollow screw mandrel 2004, second drive motors 2006, feeding slide block 2007, the 3rd end cap 2008, revolution housing 2009, second end cap 2011, the 3rd drive motors 2012, first end cap 2013, fastening screw nut 2014, knife bar 2015, cutter 2016.The combination gun barrel 2001 being provided with central dividing plate is made up of co-axial interconnect front gun barrel 2001-1, rear gun barrel 2001-2, is circumscribed with handle 2002 below rear gun barrel 2001-2, and rear gun barrel 2001-2 right-hand member is provided with the scale platform 2021 showing axial feed; Front gun barrel 2001-1 left end is threaded connection one and supports chip removal cover 2010, supports chip removal cover 2010 and is provided with a chip discharging tube 2010-1; Be contained in the transmission nut 2003 on combination gun barrel 2001 central dividing plate and be inserted with a hollow leading screw 2004; Hollow screw mandrel 2004 right-hand member connects the second drive motors 2006, second drive motors 2006 through feeding slide block 2007 upper bearing (metal) 2005 and is installed into on slide block 2007 by the 3rd end cap 2008, and feeding slide block front and back sides is equipped with the axis of guide 2017 with pointer; Hollow screw mandrel 2004 is connected with revolution housing 2009 right side be arranged on front gun barrel in sliding bearing 2020 by left end flange; In revolution housing 2009 left end eccentric inner hole, the second end cap 2011 is housed; Second end cap 2011 left end goes out axle journal 2011-1 through the first end cap 2013 on revolution housing 2009 end face, and a fastening screw nut 2014 is housed;
Eccentric installation second end cap 2011 on the left of 3rd drive motors 2012, its output shaft second end cap 2011 centre bore, is connected to knife bar 2015, cutter 2016 successively; First end cap 2013 is provided with three deep-slotted chip breaker 2013-1 and eccentric centre bore, article three, deep-slotted chip breaker 2013-1 is distributed on around eccentric centre bore, and three the guide-localization bolts 2018 be distributed on end cap 2 2011 left side are each passed through three deep-slotted chip breaker 2013-1.
The operation principle of the hand-held helical milling device of eccentric adjustable mechanism of the present invention and application eccentric adjustable mechanism is as follows:
When eccentric adjustable mechanism carries out eccentric adjusting, first inserted by alignment pin one 2006-1 of the first butt muff 2006 in a certain fixed part of controlled device, alignment pin two 2007-1 of the second butt muff 2007 inserts in a certain moving component of controlled device; Then, the first drive motors 1002, by worm screw 1003, worm gear 1004, worm-wheel shaft 1005, second butt muff 1006 and the first alignment pin 1007, drives the moving component of controlled device, completes the eccentric adjusting of relative fixed part.The operation principle of eccentric adjustable mechanism as shown in Figure 3.
During the drilling of hand-held helical milling device, be mainly divided into three steps:
The first step, is adjusted to original state by eccentric adjustable mechanism 100, and namely eccentric adjusting amount is zero; According to treating drilling diameter and cutter for same, determine that the first drive motors 1002 carries out the controlled quentity controlled variable of eccentric adjusting;
Second step, utilize the rotation assembly that eccentric adjustable mechanism 100 adjusts hand-held helical milling device 200 and the eccentric throw revolved round the sun between housing 2009, detailed process is as follows: first, unload lower support chip removal cover 2010, unclamp fastening screw nut 2014 and guide-localization bolt 2018, make the second end cap 2011 that rotation assembly can be driven to rotate in revolution housing; Secondly, the second alignment pin 1007-1 on the second butt muff 1007 of eccentric adjustable mechanism 100 is inserted locating hole 2013-2 on the first end cap 2013; Rotate the second end cap 2011 front portion and go out axle journal 2011-1, make the first alignment pin 1006-1 on the first butt muff 1006 to guide-localization bolt 2018 on upper second end cap 2011; Tighten fastening screw nut 2014 a little, make the first alignment pin 1006-1 on the first butt muff 1006 insert guide-localization bolt 2018 outside hub hole on the second end cap 2011; Then, start the first drive motors 1002, by worm-drive, drive the second end cap 2011 and the 3rd drive motors 2012 to rotate relative to revolution housing 2009 with cutter 1016, be threaded to corresponding eccentric position; Finally, locking fastening screw nut 2014, takes off eccentric adjustable mechanism 100, fastening guide-localization bolt 2018, completes the eccentric adjusting of cutter 1016 relative revolution housing 2009;
3rd step, during hole milling, first loads onto the support chip removal cover 2010 of helical milling device 200 front end, by supporting chip removal cover 2010 workpiece pressing; Then the 3rd drive motors 2012 starts, there is rotation in carry its tools 2016, the second drive motors 2006 also starts, by hollow screw mandrel 2004 and transmission nut 2003 simultaneously, drive revolution housing 1009 and cutter 1016 to carry out axial feed and revolution motion, thus realize helical milling.
The foregoing is only a better case study on implementation of the hand-held helical milling device of eccentric adjustable mechanism and the application eccentric adjustable mechanism that the present invention relates to, but practical range of the present invention is not limited thereto example.
Claims (4)
1. apply a hand-held helical milling device for eccentric adjustable mechanism, it is characterized in that:
Described eccentric adjustable mechanism comprises housing (1001), worm-wheel shaft (1005), worm gear (1004), worm screw (1003), the first drive motors (1002), the first butt muff (1006), the second butt muff (1007);
Described worm-wheel shaft (1005) is installed in described housing (1001) by bearing, described worm gear (1004) is installed on worm-wheel shaft (1005), described worm screw (1003) to be installed in housing (1001) by bearing and to coordinate with worm gear (1004), described first drive motors (1002) is fixed on housing (1001), and its output shaft is connected mutually with worm screw (1003) one end;
Described worm-wheel shaft (1005) one end is stretched out housing (1001) and is coaxially fixedly connected with described first butt muff (1006); Described the second butt muff (1007) is positioned at the first butt muff (1006) outside, and is fixedly connected with housing (1001); Between second butt muff (1007) and the first butt muff (1006), there is offset;
This hand-held helical milling device comprises described eccentric adjustable mechanism, first butt muff (1006) of wherein eccentric adjustable mechanism is provided with N number of first alignment pin (1006-1), the second butt muff (1007) is provided with M the second alignment pin (1007-1);
Described hand-held helical milling device (200) comprises combination gun barrel (2001); Front gun barrel (2001-1) and rear gun barrel (2001-2) is divided into by central dividing plate in combination gun barrel (2001); Be provided with axial feed slide block (2007) in rear gun barrel (2001-2), (2007) are provided with lead to axial feed slide block, and rear gun barrel (2001-2) is provided with the gathering sill coordinated with lead; By sliding bearing (2020), revolution housing (2009) is installed in front gun barrel (2001-1);
In the central dividing plate of combination gun barrel (2001), transmission nut (2003) is installed; Install hollow screw mandrel (2004) in transmission nut (2003), hollow screw mandrel (2004) rear end is installed in axial feed slide block (2007) by upper bearing (metal) (2005); Axial feed slide block (2007) is fixed wtih the second drive motors (2006), the output shaft of the second drive motors (2006) is connected with hollow screw mandrel (2004) rear end;
Revolution housing (2009) rear end and hollow screw mandrel (2004) front end are connected, and revolution housing (2009) front end is fixed with the first end cap (2013), and (2013) have eccentric orfice to the first end cap;
With eccentric manner, rotation assembly is installed in revolution housing (2009), the second end cap (2011) that rotation assembly comprises the 3rd drive motors (2012), is connected mutually with the 3rd drive motors (2012); Second end cap (2011) front portion has axle journal (2011-1), go out axle journal (2011-1) and stretch out eccentric orfice on the first end cap (2013), and by the fastening screw nut (2014) be installed on out on axle journal (2011-1), the second end cap (2011) and the first end cap (2013) are locked; 3rd drive motors (2012) output shaft stretches out axle journal (2011-1) and connects knife bar (2015), cutter (2016) successively;
First end cap (2013) is provided with M the locating hole (2013-2) corresponding with second alignment pin (1007-1) of eccentric adjustable mechanism;
First end cap (2013) is also provided with around eccentric orfice the N bar deep-slotted chip breaker (2013-1) corresponding with first alignment pin (1006-1) of eccentric adjustable mechanism; The end face of the second end cap (2011) is going out around axle journal (2011-1) to be also provided with the N number of guide-localization bolt (2018) corresponding with first alignment pin (1006-1) of eccentric adjustable mechanism, and guide-localization bolt (2018) is right through deep-slotted chip breaker (2013-1);
Above-mentioned rear gun barrel (2001-2) below is also provided with handle (2002); Above-mentioned front gun barrel (2001-1) front end is also provided with and supports chip removal cover (2010), supports in chip removal cover (2010) and is also provided with chip discharging tube (2010-1).
2. the hand-held helical milling device of application eccentric adjustable mechanism according to claim 1, is characterized in that: the distance of described M the second alignment pin (1007-1) distance the second butt muff (1007) central axis is equal and be uniformly distributed circumferentially; The distance at M locating hole (2013-2) distance the first end cap (2013) eccentric orfice center is equal and be uniformly distributed circumferentially.
3. the hand-held helical milling device of application eccentric adjustable mechanism according to claim 1, is characterized in that: described N number of first alignment pin (1006-1) is equal and be uniformly distributed circumferentially apart from the distance of the first butt muff (1006) central axis; Described N bar deep-slotted chip breaker (2013-1) be positioned at the eccentric orfice center of the first end cap (2013) be the center of circle same circle on and be uniformly distributed circumferentially; It is equal and be uniformly distributed circumferentially that described N number of guide-localization bolt (2018) goes out the distance of axle journal (2011-1) central axis apart from the second end cap (2011).
4. the method for helically milling hole of the hand-held helical milling device of application eccentric adjustable mechanism according to claim 1, is characterized in that comprising following process:
The first step, is adjusted to original state by eccentric adjustable mechanism (100), and namely eccentric adjusting amount is zero; According to treating drilling diameter and cutter for same, determine that the first drive motors (1002) carries out the controlled quentity controlled variable of eccentric adjusting;
Second step, utilize the rotation assembly that eccentric adjustable mechanism (100) adjusts hand-held helical milling device (200) and the eccentric throw revolved round the sun between housing (2009), detailed process is as follows:
First, unload lower support chip removal cover (2010), unclamp fastening screw nut (2014) and guide-localization bolt (2018), make the second end cap (2011) that rotation assembly can be driven to rotate in revolution housing;
Secondly, the second alignment pin (1007-1) on second butt muff (1007) of eccentric adjustable mechanism (100) is inserted the upper locating hole (2013-2) of the first end cap (2013); Rotate the second end cap (2011) front portion and go out axle journal (2011-1), make the first alignment pin (1006-1) on the first butt muff (1006) to the upper guide-localization bolt (2018) of upper second end cap (2011); Tighten fastening screw nut (2014) a little, make the first alignment pin (1006-1) on the first butt muff (1006) insert upper guide-localization bolt (2018) the outside hub hole of the second end cap (2011);
Then, start the first drive motors (1002), by worm screw (1003), worm gear (1004), worm-wheel shaft (1005), the first butt muff (1006), drive the second end cap (2011) and the 3rd drive motors (2012) to rotate relative to the housing that revolves round the sun (2009) with cutter (1016), be threaded to corresponding eccentric position;
Finally, locking fastening screw nut (2014), takes off eccentric adjustable mechanism (100), fastening guide-localization bolt (2018), completes cutter (1016) and relatively to revolve round the sun the eccentric adjusting of housing (2009);
3rd step, during hole milling, first loads onto and supports chip removal cover (2010), by supporting chip removal cover workpiece pressing; Then the 3rd drive motors (2012) starts, carry its tools (2016) rotation, second drive motors (2006) also starts simultaneously, by hollow screw mandrel (2004) and transmission nut (2003), drive revolution housing (1009) and cutter (1016) to carry out axial feed and revolution motion, thus realize helical milling.
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| CN201310037325.2A CN103128354B (en) | 2013-01-31 | 2013-01-31 | Eccentricity adjustment mechanism and handheld helical hole milling device thereof and helical hole milling method |
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| CN201310037325.2A CN103128354B (en) | 2013-01-31 | 2013-01-31 | Eccentricity adjustment mechanism and handheld helical hole milling device thereof and helical hole milling method |
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| EP4140625A4 (en) * | 2020-04-20 | 2023-06-07 | Dalian University Of Technology | Portable helical milling unit and eccentricity adjustment method |
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| CN102139388A (en) * | 2011-04-08 | 2011-08-03 | 南京航空航天大学 | Helical hole-milling device and method based on numerical control machine |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP4140625A4 (en) * | 2020-04-20 | 2023-06-07 | Dalian University Of Technology | Portable helical milling unit and eccentricity adjustment method |
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