CN106735604A - A kind of frock and application method that thin-walled hollow major axis is machined with vertical gear shaping - Google Patents
A kind of frock and application method that thin-walled hollow major axis is machined with vertical gear shaping Download PDFInfo
- Publication number
- CN106735604A CN106735604A CN201611016939.2A CN201611016939A CN106735604A CN 106735604 A CN106735604 A CN 106735604A CN 201611016939 A CN201611016939 A CN 201611016939A CN 106735604 A CN106735604 A CN 106735604A
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- Prior art keywords
- positioning
- major axis
- walled hollow
- thin
- locating ring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F5/00—Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made
- B23F5/12—Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by planing or slotting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/02—Loading, unloading or chucking arrangements for workpieces
- B23F23/06—Chucking arrangements
Abstract
The frock that thin-walled hollow major axis is machined with vertical gear shaping of the present invention, including positioning chassis, locating ring, positioning core axle, baffle plate, trip bolt, expansion set, conical core shaft, cover plate, pedestal, positioning support, chuck and Positioning screw.Positioning chassis in the frock, locating ring, positioning core axle, conical core shaft, the combination of the positioning section of expansion set and processed thin-walled hollow major axis, and mounting means of the assembly for being formed on vertical gear shapping machine chuck, realize the axially loaded clamping to being processed thin-walled hollow major axis, efficiently solve the problem on deformation of thin-walled hollow major axis, chuck in the frock, Positioning screw, pedestal, the setting of positioning support, the fixation on processed thin-walled hollow major axis top is not only realized in the case where deformation is avoided, enhance the rigidity of processed thin-walled hollow major axis processing sections, eliminate the vibration in processing, and there is no any interference to the centering in combination installation process.
Description
Technical field
Frock field is used the invention belongs to be machined, more particularly to a kind of vertical gear shaping machines thin-walled hollow major axis
Frock and application method.
Background technology
The processing such as internal spline, keyway is carried out on thin-walled hollow major axis inwall, vertical gear shapping machine is a kind of using more
Lathe, but machined with vertical gear shaping, there is following difficult point：(1) because part to be processed wall thickness is relatively thin, conventional radial stress
Installation way easily causes part deformation；(2) if part to be processed length is more than 1000mm, part upper end must be entered during processing
Row is fixed, but such axle does not have cylindrical step, realizes that the fixation on part top is extremely difficult in the case where deformation is avoided；(3)
If the Working position of part to be processed is more than 800mm apart from bottom clamping position, part to be processed upper end is in diameter during processing
Direction can be subject to resistance and shift, and occur allowing knife phenomenon, cause part to vibrate, it is impossible to ensure crudy.Therefore, for
The difficult point that vertical gear shaping machining thin-walled hollow major axis is present develops suitable frock, being smoothed out and processing for processing
The guarantee of quality is extremely important.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided it is long that a kind of vertical gear shaping machines thin-walled hollow
The frock and application method of axle, so that work in-process avoids part to be processed from deforming, eliminate vibration, it is ensured that machining accuracy and surface
Quality is simultaneously easy to operation.
The frock that thin-walled hollow major axis is machined with vertical gear shaping of the present invention, including positioning chassis, locating ring, positioning
Mandrel, baffle plate, trip bolt, expansion set, conical core shaft, cover plate, pedestal, positioning support, chuck and Positioning screw；The positioning bottom
The quantity of disk is one, and positioning chassis centre is provided with up big and down small ladder hole, in the ladder hole, is located at down
The aperture in portion passes through for positioning core axle lower end, and superposed macropore is to being processed thin-walled hollow major axis lower end positioning；It is described fixed
The quantity of position ring is one, and locating ring is cylinder, and its upper end end is provided with the first positioning shaft shoulder, below the first positioning shaft shoulder
Part is locating ring main part, and outside diameter d 9=d8- (0.1~0.5) mm of locating ring main part, locating ring first is positioned
Outside diameter d 10=d1- (2~3) mm of the shaft shoulder, in formula, d1 is internal diameter or the positioning section master for being processed thin-walled hollow major axis positioning section
The internal diameter of body portion, d8 is the centre bore aperture for being processed the positioning step set in thin-walled hollow major axis endoporus, the d8=
, by being processed depending on the particular type of thin-walled hollow major axis, the internal diameter d12 of locating ring is without special for d1- (12~20) mm, the d1
It is required that, as long as intensity requirement and the assembling requirement of positioning core axle can be met；The quantity of the positioning core axle is one, positioning
Mandrel is cylinder, and its upper end is provided with external thread section, and lower end is provided with internal thread segment, and outer thread segment one end is provided with second
Positioning shaft shoulder, the diameter d11 of positioning core axle is gap cooperation, the diameter d2=of the second positioning shaft shoulder with the internal diameter of locating ring
D10- (15~35) mm, the diameter of the big footpath less than positioning core axle of external thread section, anchor ring and external thread section under the second positioning shaft shoulder
Length L7 between end face is less than the length L5 for being processed thin-walled hollow major axis positioning section, anchor ring and positioning under the second positioning shaft shoulder
Length L9- between mandrel lower surface is processed the positioning step upper ring surface of setting in thin-walled hollow major axis endoporus and is processed
The length L8=positioning chassis centre of length L10- the first positioning shaft shoulders of locating ring between thin-walled hollow major axis lower surface
The length of aperture in the ladder hole of setting；The quantity of the baffle plate is one, and baffle center position is provided with and supplies trip bolt
The via for passing through, the quantity of the trip bolt is one, the internal thread segment of external screw thread and the positioning core axle setting of trip bolt
Internal thread match；The quantity of the expansion set is one, and the making material of expansion set is brass, and profile is truncated cone-shaped, and endoporus is
Tapered manhole, the outside diameter d 3 of expansion set and processed thin-walled hollow major axis positioning section or the internal diameter of positioning section main part
D1 is interference fit, aperture d4=d2+ (2~4) mm of expansion set endoporus small end, the aperture d5=d4+2 × L2 at the big end of expansion set endoporus
× tg α 1, in formula, α 1 for expansion set endoporus taper angle, α 1=1.0 °~2.0 °, L2 for expansion set length, L2=L1, in formula, L1
It is the length under the second positioning shaft shoulder in positioning core axle between anchor ring and external thread section section start, the expansion set is at least divided into
Five arc plates, wherein, at least two central angles are 10 ° of arc plate；The quantity of the conical core shaft is one, taper core
Axle is tube structure, and its profile is truncated cone, and endoporus is manhole, and the aperture of conical core shaft endoporus is straight with positioning core axle
Footpath d11 coordinates for gap, outside diameter d 6=d5+ (0.2~1.0) mm at the big end of conical core shaft, the outside diameter d 7=of conical core shaft small end
D6-2 × L3 × tg α 2, in formula, α 2 for conical core shaft outer wall taper angle, α 2=α 1=1.0 °~2.0 °, L3 is conical core shaft
Length, L3=L2- (20~30) mm；The quantity of the chuck is one, the aperture of chuck endoporus and processed thin-walled hollow
The external diameter of major axis positioning section coordinates for gap, and chuck is divided into two arc plates of size identical；The quantity of the cover plate is
One, cover plate central position is provided with the via passed through for the thread segment of positioning core axle；The quantity of the pedestal is even numbers and extremely
It is less four, the quantity of the positioning support is identical with the quantity of pedestal, the quantity of the Positioning screw and the number of positioning support
Amount is identical, and positioning support top is provided with the screw matched with Positioning screw.
The frock that thin-walled hollow major axis is machined with vertical gear shaping of the present invention, the first positioning set by its locating ring
The length L8 controls of the shaft shoulder in 10mm~20mm, the length L6 controls of the second positioning shaft shoulder set by positioning core axle 10mm~
25mm, to meet assembling needs and to ensure the intensity of the first positioning shaft shoulder and the second positioning shaft shoulder.
Thin-walled is processed when the internal diameter or the internal diameter of positioning section main part that are processed thin-walled hollow major axis positioning section are more than
When long hollow shaft is processed section internal diameter or/and processed section with the internal diameter of upper segment, should by locating ring on the basis of its axis
Locating ring both sides symmetrically remove a part, to enable locating ring to load processed thin-walled hollow major axis positioning section or positioning section master
Body portion, realizes the combination with positioning step.
When thin-walled hollow major axis is processed, frock of the present invention in the following manner with processed thin-walled hollow major axis and vertical
Formula gear shapping machine is combined：
1. locating ring is combined with the positioning step set in processed thin-walled hollow major axis endoporus
The main part of locating ring is passed through the centre bore for being processed the positioning step set in thin-walled hollow major axis endoporus
Under positioning step, anchor ring is contacted with the positioning step upper ring surface under making the first positioning shaft shoulder of locating ring setting；
2. positioning core axle is combined with locating ring
The lower end of positioning core axle is stretched out through the endoporus of locating ring from the endoporus of processed thin-walled hollow major axis lower end, is made
The first positioning shaft shoulder upper surface that anchor ring is set with locating ring under second shaft shoulder that positioning core axle is set contacts；
3. positioning core axle and processed thin-walled hollow major axis are combined with positioning chassis
The ladder hole that positioning core axle lower end insertion positioning chassis centre is set, makes to be processed thin-walled hollow major axis
Lower end be located at positioning chassis centre set ladder hole top macropore in, by baffle plate, trip bolt and positioning
The cooperation of the internal thread segment that mandrel lower end is set, positioning core axle and processed thin-walled hollow major axis are combined with positioning chassis；
4. expansion set is combined with processed thin-walled hollow major axis and locating ring
The first positioning shaft shoulder upper surface that the end face of expansion set endoporus small end is set with locating ring is contacted, expansion set is positioned at
Locating ring (2) upper surface；
5. conical core shaft is combined with expansion set and positioning core axle
Conical core shaft is enclosed within the section on the second positioning shaft shoulder of positioning core axle setting, makes the small end court of conical core shaft
To the second positioning shaft shoulder direction that positioning core axle is set, expansion set and quilt are realized by the taper fit of conical core shaft and expansion set endoporus
The endoporus of processing thin-walled hollow major axis positioning section or positioning section main part is combined closely；
6. the combination of cover plate and conical core shaft and positioning core axle
Cover plate is sleeved on the external thread section of positioning core axle setting, and cover plate is connect with the big end end face of conical core shaft
Touch, by the cooperation of nut and the external thread section, by positioning chassis, locating ring, positioning core axle, conical core shaft, expansion set and quilt
The positioning section for processing thin-walled hollow major axis is combined into one, and forms assembly；
7. installation of the assembly that 6. step is formed on vertical gear shapping machine
The assembly that 6. step is formed is placed on the chuck of vertical gear shapping machine, makes its center line with vertical gear shapping machine chuck
Center line overlap, the assembly that 6. step is formed is fixed on the chuck of vertical gear shapping machine with Machine tool pressure plate；
8. it is processed the support of thin-walled hollow major axis positioning section
Positioning chassis in the assembly that 6. each base ring is formed around step are angularly placed and secured in vertical gear shaping
On the chuck of machine, each positioning support is separately mounted on corresponding pedestal, it is corresponding fixed that each Positioning screw is separately mounted to
On the bearing of position, chuck is fitted with the outer wall of processed thin-walled hollow major axis positioning section, chuck is exerted a force by each Positioning screw,
Realize being processed the support of thin-walled hollow major axis positioning section.
The present invention tool frock has following beneficial effect：
1st, positioning chassis, locating ring, positioning core axle, conical core shaft, expansion set and processed thin-walled in frock of the present invention
The combination of the positioning section of long hollow shaft, and mounting means of the assembly for being formed on vertical gear shapping machine chuck, realize
Axially loaded clamping to being processed thin-walled hollow major axis, efficiently solves the problem on deformation of thin-walled hollow major axis.
2nd, expansion set, conical core shaft and positioning core axle, locating ring and processed thin-walled hollow major axis in frock of the present invention
The combination of positioning section, and chuck, Positioning screw, pedestal, positioning support setting, not only avoid deformation in the case of
The fixation on processed thin-walled hollow major axis top is realized, the rigidity of processed thin-walled hollow major axis processing sections is enhanced, eliminated
Vibration in processing, and there is no any interference to the centering in combination installation process.
3rd, experiment show, using frock of the present invention, can on vertical gear shapping machine to length be 1025-1400mm, length
Footpath is than being that the thin-walled hollow major axis of 6-15mm, internal spline positional distance lower end clamping position more than 800mm is normal for 6-14, wall thickness
Involute inner spline processing is carried out, precision and the satisfactory product of surface quality is obtained.
4th, expansion set is divided into multiple arc plates, chuck and is divided into two circles of size identical in frock of the present invention
Arc piece, thus it is easy to operation during combination.
Brief description of the drawings
Fig. 1 is the schematic diagram of the frock of vertical gear shaping machining thin-walled hollow major axis of the present invention, and the figure is also described
Frock of the present invention and processed thin-walled hollow major axis and the combination of vertical gear shapping machine；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is a kind of schematic diagram for being processed thin-walled hollow major axis；
Fig. 4 be vertical gear shaping of the present invention machining thin-walled hollow major axis frock in positioning core axle schematic diagram；
Fig. 5 be vertical gear shaping of the present invention machining thin-walled hollow major axis frock in expansion set schematic diagram；
Fig. 6 is the left view of Fig. 5；
Fig. 7 be vertical gear shaping of the present invention machining thin-walled hollow major axis frock in conical core shaft schematic diagram；
Fig. 8 be vertical gear shaping of the present invention machining thin-walled hollow major axis frock in locating ring schematic diagram；
Fig. 9 is the A-A sectional views of Fig. 8.
In figure, 1-positioning chassis, 2-locating ring, 2-1-the first positioning shaft shoulder, 2-2-locating ring main part, 3-
Positioning core axle, 3-1-external thread section, 3-2-internal thread segment, 3-3-the second positioning shaft shoulder, 4-baffle plate, 5-trip bolt,
6-expansion set, the first arc plate of 6-1-expansion set, the second arc plate of 6-2-expansion set, the 6-3-three-arc piece of expansion set, 6-
4th arc plate of 4-expansion set, the 5th arc plate of 6-5-expansion set, 7-conical core shaft, 8-cover plate, 9-pedestal, 10-it is fixed
Position bearing, 11-chuck, 12-Positioning screw, 13-high-pressure compressor rotor axle (being processed thin-walled hollow major axis), 13-1-
Positioning section, 13-2-positioning step, 13-3-internal spline processing sections, the 14-chuck of vertical gear shapping machine, 15-Machine tool pressure plate.
Specific embodiment
Below by embodiment and with reference to accompanying drawing to the work that thin-walled hollow major axis is machined with vertical gear shaping of the present invention
Assembling structure and application method are described further.
Embodiment 1
Frock in the present embodiment is used to be processed on vertical gear shapping machine the internal spline of high-pressure compressor rotor axle, the height
Pressure compressor rotor axle is as shown in figure 3, be a kind of thin-walled hollow major axis, its length is 1025.5mm, draw ratio is 6.8, wall thickness
It is 7mm, is positioning section 13-1 under internal spline processing sections 13-3, there is positioning step 13-2 positioning section lower end, the positioning section
Length L5=257.5mm, the external diameter of positioning section is 151mm, and positioning section is processed near the aperture of internal spline processing sections with internal spline
The aperture of section is identical, and the apertures of the internal diameter d1 more than internal spline processing sections of positioning section main part, the d1=137mm is described
The aperture d8=d1-13mm=124mm of positioning step centre bore.
Frock in the present embodiment as shown in Figure 1 and Figure 2, including positioning chassis 1, locating ring 2, positioning core axle 3, baffle plate 4,
Trip bolt 5, expansion set 6, conical core shaft 7, cover plate 8, pedestal 9, positioning support 10, chuck 11 and Positioning screw 12.
The quantity of the positioning chassis 1 is one, and positioning chassis centre is provided with up big and down small ladder hole, institute
State in ladder hole, the aperture positioned at bottom passes through for the lower end of positioning core axle 3, and superposed macropore is to high-pressure compressor rotor
The lower end of axle 13 positions；
The quantity of the locating ring 2 is one, and as shown in Figure 8, Figure 9, locating ring is cylinder, and its upper end end is provided with
First positioning shaft shoulder 2-1, is partly locating ring main part 2-2, the external diameter of locating ring main part below the first positioning shaft shoulder
D9=d8-0.2mm=123.8mm, outside diameter d 10=d1-2mm=135mm, length the L8 control of the positioning shaft shoulder of locating ring first
In 13mm, the endoporus d12=80.2mm of locating ring, for the ease of the positioning section with high-pressure compressor rotor axle and positioning step group
Close, a part is symmetrically eliminated in locating ring both sides on the basis of positioning ring axis；
The quantity of the positioning core axle 3 is one, as shown in figure 4, positioning core axle is cylinder, its upper end is provided with outer spiral shell
Line section 3-1, lower end is provided with internal thread segment 3-2, and outer thread segment one end is provided with the second positioning shaft shoulder 3-3, positioning core axle
Diameter d11 is gap cooperation, the diameter d2=d10-25mm=of the second positioning shaft shoulder 3-3 with the internal diameter d12 of locating ring 2
110mm, length L6 control are in 20mm, the diameter of the big footpath less than positioning core axle of external thread section, anchor ring under the second positioning shaft shoulder 3-3
With between external thread section 3-1 end faces length L7=240mm (less than high-pressure compressor rotor axle positioning section 13-1 length L5),
Length L1=160mm under second positioning shaft shoulder 3-3 between anchor ring and external thread section 3-1 section starts, under the second positioning shaft shoulder 3-3
On the positioning step 13-2 set in length L9- high-pressure compressor rotor axle endoporus between anchor ring and positioning core axle lower surface
The length L8=of length L10- the first positioning shaft shoulders of the locating ring 2-1 between anchor ring and high-pressure compressor rotor axle lower surface determines
The length of aperture in the ladder hole that position center chassis position is set；
The quantity of the baffle plate 4 is one, and baffle center position is provided with the via passed through for trip bolt 5, described tight
Gu the quantity of screw 5 is one, the internal thread phase of the internal thread segment 3-2 that the external screw thread of trip bolt is set with positioning core axle
Match somebody with somebody；
The quantity of the expansion set 6 is one, and the making material of expansion set is brass, and as shown in Figure 5, Figure 6, the profile of expansion set is
Truncated cone-shaped, endoporus is tapered manhole, outside diameter d 3 and the high-pressure compressor rotor axle positioning section 13-1 main parts of expansion set
The internal diameter d1 for dividing is interference fit, the aperture d4=d2+4mm=114mm of expansion set endoporus small end, the aperture d5 at the big end of expansion set endoporus
=d4+2 × L2 × tg α 1=122.379mm, in formula, α 1 is the taper angle of expansion set endoporus, and α 1=1.5 °, L2 are the length of expansion set
Degree, L2=L1=160mm, the expansion set is divided into five arc plates, wherein, the central angle of the first arc plate 6-1 is 100 °,
The central angle of the second arc plate is 120 °, the central angle of three-arc piece 6-3 is 120 °, the central angle of the 4th arc plate 6-4 is
10 °, the central angle of the 5th arc plate 6-5 be 10 °；
The quantity of the conical core shaft 7 be one, conical core shaft as shown in fig. 7, be tube structure, its profile be the frustum of a cone
Shape, endoporus is manhole, and the aperture of conical core shaft endoporus is with the diameter d11 of positioning core axle 3 for gap coordinates, and conical core shaft is big
The outside diameter d 6=d5+0.262mm=122.641mm at end, outside diameter d 7=d6-2 × L3 × tg α 2 of conical core shaft small end, in formula,
α 2 is the taper angle of conical core shaft outer wall, and α 2=α 1=1.5 °, L3 are the length of conical core shaft, L3=L2-22mm=138mm；
The quantity of the chuck 11 is one, and the aperture of chuck endoporus is outer with high-pressure compressor rotor axle positioning section 13-1
Footpath coordinates for gap, and chuck is divided into two arc plates of size identical (see Fig. 1, Fig. 2)；
The quantity of the cover plate 8 is one, and cover plate central position is provided with the mistake passed through for the thread segment 3-1 of positioning core axle
Hole (see Fig. 1)；
The quantity of the pedestal 9 is four, and the quantity of the positioning support 10 is identical with the quantity of pedestal, the positioning spiral shell
The quantity of nail 12 is identical with the quantity of positioning support, and the top of positioning support 10 is provided with the screw matched with Positioning screw.
Embodiment 2
The present embodiment processes the internal spline of high-pressure compressor rotor axle with frock described in embodiment 1 on vertical gear shapping machine,
As shown in Figure 1 and Figure 2, application method is as follows for the mode that the frock is combined with high-pressure compressor rotor axle and vertical gear shapping machine：
1. locating ring is combined with the positioning step set in high-pressure compressor rotor axle endoporus
By the main part 2-2 of locating ring 2 through the center of the positioning step of setting in high-pressure compressor rotor axle endoporus
Hole position makes anchor ring and ring on the positioning step 13-2 under the first positioning shaft shoulder 2-1 of locating ring setting under positioning step
Face contacts；
2. positioning core axle is combined with locating ring
The lower end of positioning core axle 3 is stretched out through the endoporus of locating ring 2 from the endoporus of high-pressure compressor rotor axle lower end, is made
The first positioning shaft shoulder 2-1 upper surfaces that anchor ring is set with locating ring 2 under the second shaft shoulder 3-3 that positioning core axle is set contact；
3. positioning core axle and high-pressure compressor rotor axle are combined with positioning chassis
The ladder hole that positioning core axle lower end insertion positioning chassis 1 centre is set, makes high-pressure compressor rotor axle
Lower end be located in the top macropore of the ladder hole that the centre of positioning chassis 1 is set, by baffle plate 4, trip bolt 5 and fixed
The cooperation of the internal thread segment that position mandrel lower end is set, positioning core axle and high-pressure compressor rotor axle are combined with positioning chassis；
4. expansion set is combined with high-pressure compressor rotor axle and locating ring
The first positioning shaft shoulder 2-1 upper surfaces that the end face of the endoporus small end of expansion set 6 is set with locating ring 2 are contacted, makes expansion set
It is positioned at locating ring (2) upper surface；
5. conical core shaft is combined with expansion set and positioning core axle
Conical core shaft 7 is enclosed within the section on the second positioning shaft shoulder of positioning core axle setting, makes the small end of conical core shaft
Towards the second positioning shaft shoulder direction that positioning core axle is set, by the taper fit of conical core shaft and expansion set endoporus realize expansion set with
The endoporus of high-pressure compressor rotor axle positioning section main part is combined closely；
6. the combination of cover plate and conical core shaft and positioning core axle
Cover plate 8 is sleeved on the external thread section 3-1 of positioning core axle setting, and makes the big end end of cover plate and conical core shaft 7
Face contacts, by the cooperation of nut and the external thread section 3-1, by positioning chassis, locating ring, positioning core axle, conical core shaft, swollen
The positioning section of set and high-pressure compressor rotor axle is combined into one, and forms assembly；
7. installation of the assembly that 6. step is formed on vertical gear shapping machine
The assembly that 6. step is formed is placed on the chuck 14 of vertical gear shapping machine, make positioning chassis 1 in assembly with
The chuck 14 of vertical gear shapping machine is contacted, and the center line of assembly is overlapped (see Fig. 1) with the center line of vertical gear shapping machine chuck, is used
Be fixed on the assembly that 6. step is formed on the chuck of vertical gear shapping machine by Machine tool pressure plate 15, and the quantity of the Machine tool pressure plate 15 is
Four, the positioning chassis 1 in assembly are angularly distributed, and realize 6. forming step by the fixed of positioning chassis 1
Assembly fixation (see Fig. 1, Fig. 2)；
8. the support of high-pressure compressor rotor axle positioning section
Each pedestal 9 is angularly placed and secured on the chuck 14 of vertical gear shapping machine around positioning chassis 1, by each positioning
Bearing 10 is separately mounted on corresponding pedestal, and each Positioning screw 12 is separately mounted on corresponding positioning support, by chuck
11 fit with the outer wall of high-pressure compressor rotor axle positioning section, and chuck 11 is exerted a force by each Positioning screw, realize that high pressure is calmed the anger
The support of machine rotor axle positioning section.
After combining as stated above, internal spline processing is carried out to high-pressure compressor rotor axle with vertical gear shapping machine.It is processed
Without friction in journey, machining accuracy and surface quality meet the requirements, and high-pressure compressor rotor axle does not occur any deformation.
Claims (3)
1. it is a kind of with vertical gear shaping machine thin-walled hollow major axis frock, it is characterised in that including positioning chassis (1), locating ring
(2), positioning core axle (3), baffle plate (4), trip bolt (5), expansion set (6), conical core shaft (7), cover plate (8), pedestal (9), positioning
Bearing (10), chuck (11) and Positioning screw (12),
The quantity of the positioning chassis (1) is one, and positioning chassis centre is provided with up big and down small ladder hole, described
In ladder hole, the aperture positioned at bottom passes through for positioning core axle (3) lower end, and superposed macropore is to being processed thin-walled hollow
Major axis (13) lower end positions,
The quantity of the locating ring (2) is one, and locating ring is cylinder, and its upper end end is provided with the first positioning shaft shoulder (2-
1) it is, partly locating ring main part (2-2), the outside diameter d 9=d8- (0.1 of locating ring main part below the first positioning shaft shoulder
~0.5) mm, outside diameter d 10=d1- (2~3) mm of the positioning shaft shoulder of locating ring first, in formula, d1 is that to be processed thin-walled hollow long
The internal diameter of axle positioning section (13-1) or the internal diameter of positioning section (13-1) main part, d8 are to be processed in thin-walled hollow major axis endoporus
The centre bore aperture of the positioning step (13-2) of setting, d8=d1- (12~20) mm, the d1 are empty by being processed thin-walled
Depending on the particular type of heart major axis,
The quantity of the positioning core axle (3) is one, and positioning core axle is cylinder, and its upper end is provided with external thread section (3-1), under
End is provided with internal thread segment (3-2), and outer thread segment one end is provided with the second positioning shaft shoulder (3-3), the diameter of positioning core axle (3)
(d11) it is that gap coordinates with the internal diameter of locating ring (2), diameter d2=d10- (15~35) mm of the second positioning shaft shoulder (3-3),
The big footpath of external thread section (3-1) is less than the diameter of positioning core axle, anchor ring and external thread section (3-1) under the second positioning shaft shoulder (3-3)
Length (L7) between end face is less than the length (L5) for being processed thin-walled hollow major axis positioning section (13-1), the second positioning shaft shoulder
The positioning set in length (L9)-processed thin-walled hollow major axis endoporus under (3-3) between anchor ring and positioning core axle lower surface
Length (L10)-positioning shaft shoulder of locating ring first between step (13-2) upper ring surface and processed thin-walled hollow major axis lower surface
The length of aperture in the ladder hole that the length L8=positioning chassis centre of (2-1) is set,
The quantity of the baffle plate (4) is one, and baffle center position is provided with the via passed through for trip bolt, the fastening spiral shell
The quantity for following closely (5) is one, the internal thread phase of the internal thread segment (3-2) that the external screw thread of trip bolt is set with positioning core axle
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The quantity of the expansion set (6) is one, and the making material of expansion set is brass, and profile is truncated cone-shaped, and endoporus is tapered
Manhole, the external diameter (d3) of expansion set and processed thin-walled hollow major axis positioning section (13-1) or positioning section (13-1) main part
Internal diameter (d1) be interference fit, aperture d4=d2+ (2~4) mm of expansion set endoporus small end, the aperture d5=at the big end of expansion set endoporus
D4+2 × L2 × tg α 1, in formula, α 1 is the taper angle of expansion set endoporus, and α 1=1.0 °~2.0 °, L2 is the length of expansion set, L2=
L1, in formula, L1 is the length under the second positioning shaft shoulder (3-3) in positioning core axle between anchor ring and external thread section (3-1) section start,
The expansion set is at least divided into five arc plates, wherein, at least two central angles are 10 ° of arc plate,
The quantity of the conical core shaft (7) is one, and conical core shaft is tube structure, and its profile is truncated cone, and endoporus is circle
Shape through hole, the aperture of conical core shaft endoporus is gap cooperation with the diameter (d11) of positioning core axle (3), outside the big end of conical core shaft
Outside diameter d 7=d6-2 × L3 × tg α 2 of footpath d6=d5+ (0.2~1.0) mm, conical core shaft small end, in formula, α 2 is conical core shaft
The taper angle of outer wall, α 2=α 1=1.0 °~2.0 °, L3 for conical core shaft length, L3=L2- (20~30) mm,
The quantity of the chuck (11) is one, the aperture of chuck endoporus and processed thin-walled hollow major axis positioning section (13-1)
External diameter coordinates for gap, and chuck is divided into two arc plates of size identical,
The quantity of the cover plate (8) is one, and cover plate central position is provided with the mistake passed through for the thread segment (3-1) of positioning core axle
Hole,
The quantity of the pedestal (9) is even numbers and at least four, the quantity of the positioning support (10) and the quantity phase of pedestal
Together, the quantity of the Positioning screw (12) is identical with the quantity of positioning support, and positioning support (10) top is provided with and positioning spiral shell
Follow closely the screw of matching.
2. the frock of thin-walled hollow major axis is machined with vertical gear shaping according to claim 1, it is characterised in that locating ring institute
The length L8 of the first positioning shaft shoulder (2-1) for setting is 10mm~20mm, the second positioning shaft shoulder set by positioning core axle (3)
The length L6 of (3-3) is 10mm~25mm.
3. the application method of frock described in claim 1 or 2, it is characterised in that during processing thin-walled hollow major axis, in the following manner
It is combined with processed thin-walled hollow major axis and vertical gear shapping machine：
1. locating ring is combined with the positioning step set in processed thin-walled hollow major axis endoporus
The main part (2-2) of locating ring (2) is passed through and is processed in the positioning step of setting in thin-walled hollow major axis endoporus
Heart hole position makes anchor ring and the positioning step (13- under first positioning shaft shoulder (2-1) of locating ring setting under positioning step
2) upper ring surface contact；
2. positioning core axle is combined with locating ring
The lower end of positioning core axle (3) is stretched out through the endoporus of locating ring (2) from the endoporus of processed thin-walled hollow major axis lower end,
The first positioning shaft shoulder (2-1) upper surface for being set with locating ring (2) of anchor ring connects under making second shaft shoulder (3-3) that positioning core axle sets
Touch；
3. positioning core axle and processed thin-walled hollow major axis are combined with positioning chassis
The ladder hole that positioning core axle lower end insertion positioning chassis (1) centre is set, makes to be processed thin-walled hollow major axis
Lower end be located at positioning chassis (1) centre set ladder hole top macropore in, by baffle plate (4), trip bolt
(5) cooperation of the internal thread segment set with positioning core axle lower end, by positioning core axle and processed thin-walled hollow major axis and positioning bottom
Disk is combined；
4. expansion set is combined with processed thin-walled hollow major axis and locating ring
The first positioning shaft shoulder (2-1) upper surface that the end face of expansion set (6) endoporus small end is set with locating ring (2) contacts, and makes swollen
Set is positioned at locating ring (2) upper surface；
5. conical core shaft is combined with expansion set and positioning core axle
Conical core shaft (7) is enclosed within the section on the second positioning shaft shoulder of positioning core axle setting, makes the small end court of conical core shaft
To the second positioning shaft shoulder direction that positioning core axle is set, expansion set and quilt are realized by the taper fit of conical core shaft and expansion set endoporus
The endoporus of processing thin-walled hollow major axis positioning section or positioning section main part is combined closely；
6. the combination of cover plate and conical core shaft and positioning core axle
Cover plate (8) is sleeved on the external thread section (3-1) of positioning core axle setting, and makes the big end of cover plate and conical core shaft (7)
End contact, by the cooperation of nut and the external thread section (3-1), by positioning chassis, locating ring, positioning core axle, taper core
The positioning section of axle, expansion set and processed thin-walled hollow major axis is combined into one, and forms assembly；
7. installation of the assembly that 6. step is formed on vertical gear shapping machine
The assembly that 6. step is formed is placed on the chuck of vertical gear shapping machine (14), makes its center line with vertical gear shapping machine chuck
Center line overlap, the assembly that 6. step is formed is fixed on the chuck of vertical gear shapping machine with Machine tool pressure plate (15)；
8. it is processed the support of thin-walled hollow major axis positioning section
Positioning chassis (1) in the assembly that 6. each pedestal (9) is formed around step are angularly placed and secured in vertical inserting
On the chuck (14) of tooth machine, each positioning support (10) is separately mounted on corresponding pedestal, by each Positioning screw (12) respectively
On corresponding positioning support, chuck (11) is fitted with the outer wall of processed thin-walled hollow major axis positioning section, by each
Positioning screw exerts a force to chuck (11), realizes being processed the support of thin-walled hollow major axis positioning section.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611016939.2A CN106735604B (en) | 2016-11-18 | 2016-11-18 | A kind of tooling and application method with vertical gear shaping machining thin-walled hollow long axis |
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| CN201611016939.2A CN106735604B (en) | 2016-11-18 | 2016-11-18 | A kind of tooling and application method with vertical gear shaping machining thin-walled hollow long axis |
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| US4630980A (en) * | 1984-06-29 | 1986-12-23 | Dai Showa Seiki Kabushiki Kaisha | Chuck assembly for a machine tool |
| CN201565678U (en) * | 2009-11-10 | 2010-09-01 | 中车集团四川丹齿零部件有限公司 | Gear shaving clamp |
| CN202479628U (en) * | 2012-03-23 | 2012-10-10 | 上海飞华汽车部件有限公司 | Gear shaping tooling for positioning by utilizing reducing holes of workpiece |
| CN203471084U (en) * | 2013-08-15 | 2014-03-12 | 重庆渝青机械配件制造有限公司 | Double-piece gear hobbing clamp |
| CN204194979U (en) * | 2014-10-29 | 2015-03-11 | 天津第一机床总厂 | Process slim roller gear part gear grinding clamp |
| CN204277127U (en) * | 2014-12-17 | 2015-04-22 | 宁波海太精工机械有限公司 | For the internal expansion type fixture of numerical control horizontal gear hobbing machine |
| CN104625664A (en) * | 2014-12-24 | 2015-05-20 | 厦门大学 | Numerical control machining method for harmonic reducer flexible gear bi-directional crowned tooth profile |
| US20150323050A1 (en) * | 2012-11-30 | 2015-11-12 | Toshiaki Ohno | Shaft end adapter and ball screw assembly |
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2016
- 2016-11-18 CN CN201611016939.2A patent/CN106735604B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4630980A (en) * | 1984-06-29 | 1986-12-23 | Dai Showa Seiki Kabushiki Kaisha | Chuck assembly for a machine tool |
| CN201565678U (en) * | 2009-11-10 | 2010-09-01 | 中车集团四川丹齿零部件有限公司 | Gear shaving clamp |
| CN202479628U (en) * | 2012-03-23 | 2012-10-10 | 上海飞华汽车部件有限公司 | Gear shaping tooling for positioning by utilizing reducing holes of workpiece |
| US20150323050A1 (en) * | 2012-11-30 | 2015-11-12 | Toshiaki Ohno | Shaft end adapter and ball screw assembly |
| CN203471084U (en) * | 2013-08-15 | 2014-03-12 | 重庆渝青机械配件制造有限公司 | Double-piece gear hobbing clamp |
| CN204194979U (en) * | 2014-10-29 | 2015-03-11 | 天津第一机床总厂 | Process slim roller gear part gear grinding clamp |
| CN204277127U (en) * | 2014-12-17 | 2015-04-22 | 宁波海太精工机械有限公司 | For the internal expansion type fixture of numerical control horizontal gear hobbing machine |
| CN104625664A (en) * | 2014-12-24 | 2015-05-20 | 厦门大学 | Numerical control machining method for harmonic reducer flexible gear bi-directional crowned tooth profile |
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| CN106735604B (en) | 2018-06-22 |
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