CN106735604B - A kind of tooling and application method with vertical gear shaping machining thin-walled hollow long axis - Google Patents
A kind of tooling and application method with vertical gear shaping machining thin-walled hollow long axis Download PDFInfo
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- CN106735604B CN106735604B CN201611016939.2A CN201611016939A CN106735604B CN 106735604 B CN106735604 B CN 106735604B CN 201611016939 A CN201611016939 A CN 201611016939A CN 106735604 B CN106735604 B CN 106735604B
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- positioning
- long axis
- walled hollow
- hollow long
- thin
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Classifications
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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
Tooling of the present invention with vertical gear shaping machining thin-walled hollow long axis, including positioning chassis, locating ring, positioning core axle, baffle, trip bolt, expansion set, conical core shaft, cover board, pedestal, positioning support, chuck and positioning screw.Positioning chassis in the tooling, locating ring, positioning core axle, conical core shaft, the combination of the positioning section of expansion set and processed thin-walled hollow long axis, and mounting means of the assembly formed on vertical gear shapping machine chuck, realize the axially loaded clamping to being processed thin-walled hollow long axis, efficiently solve the problem on deformation of thin-walled hollow long axis, chuck in the tooling, positioning screw, pedestal, the setting of positioning support, the fixation on processed thin-walled hollow long axis top is not only realized in the case where avoiding deformation, enhance the rigidity of processed thin-walled hollow long axis processing sections, eliminate the vibration in processing, and there is no any interference to the centering in combination installation process.
Description
Technical field
It is more particularly to a kind of to machine thin-walled hollow long axis with vertical gear shaping the invention belongs to be machined tooling field of using
Tooling and application method.
Background technology
It is a kind of using more that processing, the vertical gear shapping machines such as internal spline, keyway are carried out on thin-walled hollow long axis inner wall
Lathe, but machined with vertical gear shaping, there are following difficult points：(1) since part to be processed wall thickness is relatively thin, conventional radial stress
Installation way easily leads to part deformation；(2) if part to be processed length is more than 1000mm, during processing must to part upper end into
Row is fixed, but such axis does not have outer circle step, realizes that the fixation on part top is extremely difficult in the case where avoiding deformation；(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 when processing
Direction can be shifted by resistance, occur allowing knife phenomenon, and part is caused to vibrate, can not ensure processing quality.Therefore, for
Difficult point existing for vertical gear shaping machining thin-walled hollow long axis develops suitable tooling, and processing is smoothed out and processed
The guarantee of quality is extremely important.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of long with vertical gear shaping machining thin-walled hollow
The tooling and application method of axis so that work in-process avoids part to be processed from deforming, eliminate vibration, ensure machining accuracy and surface
Quality is simultaneously easy to operation.
Tooling of the present invention with vertical gear shaping machining thin-walled hollow long axis, including positioning chassis, locating ring, positioning
Mandrel, baffle, trip bolt, expansion set, conical core shaft, cover board, 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, under being located at
The aperture in portion passes through for positioning core axle lower end, and superposed macropore is to being processed the positioning of thin-walled hollow long axis lower end；It is described fixed
For the quantity of position ring for one, locating ring is cylinder, and the upper end end set has the first positioning shaft shoulder, below the first positioning shaft shoulder
Partly it is locating ring main part, outside diameter d 9=d8- (0.1~0.5) mm of locating ring main part, locating ring first positions
Outside diameter d 10=d1- (2~3) mm of the shaft shoulder, in formula, d1 is to be processed the internal diameter of thin-walled hollow long axis positioning section or positioning section master
The internal diameter of body portion, d8 are to be processed the centre bore aperture of positioning step set in thin-walled hollow long axis endoporus, the d8=
Depending on d1- (12~20) mm, the d1 is by being processed the concrete type of thin-walled hollow long axis, the internal diameter d12 of locating ring is without special
It is required that as long as the intensity requirement of positioning core axle and assembling requirement can be met；The quantity of the positioning core axle is one, positioning
Mandrel is cylinder, and the upper end is provided with external thread section, and lower end is provided with internal thread segment, and external thread section one end is provided with second
Positioning shaft shoulder, the diameter d11 of positioning core axle and the internal diameter of locating ring be clearance fit, the diameter d2=of the second positioning shaft shoulder
D10- (15~35) mm, the major diameter of external thread section are less than the diameter of positioning core axle, 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 long axis positioning section, and anchor ring is with positioning under the second positioning shaft shoulder
Length L9- between mandrel lower face is processed the positioning step upper ring surface set in thin-walled hollow long axis endoporus with being processed
The length L8=positioning chassis centre of length L10- the first positioning shaft shoulders of locating ring between thin-walled hollow long axis lower face
The length of aperture in the ladder hole of setting；The quantity of the baffle is one, and baffle center position is provided with for trip bolt
By via, the quantity of the trip bolt is one, the external screw thread of trip bolt and the internal thread segment of positioning core axle setting
Internal thread match；The quantity of the expansion set is one, and the making material of expansion set is brass, and shape is truncated cone-shaped, and endoporus is
Tapered circular through hole, the outside diameter d 3 of expansion set and processed thin-walled hollow long axis positioning section or the internal diameter of positioning section main part
D1 is is interference fitted, aperture d4=d2+ (2~4) mm of expansion set endoporus small end, aperture d5=d4+2 × L2 of expansion set endoporus big end
× tg α 1, in formula, α 1 is the taper angle of expansion set endoporus, α 1=1.0 °~2.0 °, and L2 is the length of expansion set, L2=L1, in formula, L1
For 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 there are two the arc plates that central angle is 10 °；The quantity of the conical core shaft is one, taper core
Axis is tube structure, and shape is truncated cone, and endoporus is circular through hole, the aperture of conical core shaft endoporus and positioning core axle it is straight
Diameter d11 be clearance fit, outside diameter d 6=d5+ (0.2~1.0) mm of conical core shaft big end, the outside diameter d 7=of conical core shaft small end
D6-2 × L3 × tg α 2, in formula, α 2 is the taper angle of conical core shaft outer wall, and 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 outer diameter of long axis positioning section is clearance fit, and chuck is divided into two identical arc plates of size；The quantity of the cover board is
One, cover plate central position be provided with thread segment for positioning core axle by via；The quantity of the pedestal is even numbers and extremely
It 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
Measure identical, positioning support top is provided with and the matched screw hole of positioning screw.
Tooling of the present invention with vertical gear shaping machining thin-walled hollow long axis, the first positioning set by 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 long axis positioning section are more than
When long hollow shaft is processed the internal diameter of section internal diameter or/and processed section with upper segment, should by locating ring on the basis of its axis
Locating ring both sides symmetrically remove a part, so that locating ring is enable to be packed into processed thin-walled hollow long axis positioning section or positioning section master
Body portion realizes the combination with positioning step.
When processing thin-walled hollow long axis, tooling of the present invention in the following manner with processed thin-walled hollow long axis and vertical
Formula gear shapping machine is combined：
1. locating ring is combined with the positioning step set in processed thin-walled hollow long axis endoporus
The main part of locating ring is passed through to the centre bore of positioning step for being processed and being set in thin-walled hollow long axis endoporus
Under positioning step, anchor ring under the first positioning shaft shoulder of locating ring setting is made to be contacted with the positioning step upper ring surface；
2. positioning core axle is combined with locating ring
The endoporus that the lower end of positioning core axle passes through locating ring from the endoporus of processed thin-walled hollow long axis lower end is stretched out, is made
Anchor ring is contacted with the first positioning shaft shoulder upper surface that locating ring is set under second positioning shaft shoulder of positioning core axle setting；
3. positioning core axle and processed thin-walled hollow long axis are combined with positioning chassis
Positioning core axle lower end is inserted into the ladder hole of positioning chassis centre setting, makes to be processed thin-walled hollow long axis
Lower end be located at positioning chassis centre setting ladder hole top macropore in, pass through baffle, trip bolt and positioning
The cooperation of the internal thread segment of mandrel lower end setting, positioning core axle and processed thin-walled hollow long axis are combined with positioning chassis；
4. expansion set is combined with processed thin-walled hollow long axis and locating ring
The end face of expansion set endoporus small end with the first positioning shaft shoulder upper surface that locating ring is set is contacted, is located in expansion set
Locating ring (2) upper surface；
5. conical core shaft is combined with expansion set and positioning core axle
Section conical core shaft being sleeved on the second positioning shaft shoulder of positioning core axle setting makes the small end court of conical core shaft
Expansion set and quilt are realized in the second positioning shaft shoulder direction set to positioning core axle by conical core shaft and the taper fit of expansion set endoporus
Processing thin-walled hollow long axis positioning section or the endoporus of positioning section main part are combined closely；
6. the combination of cover board and conical core shaft and positioning core axle
Cover board is sleeved on the external thread section of positioning core axle setting, and connects the big end end face of cover board and 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 by
The positioning section of processing thin-walled hollow long axis is combined into one, and forms assembly；
7. installation of the 6. assembly that step is formed on vertical gear shapping machine
6. assembly that step is formed is placed on the chuck of vertical gear shapping machine, makes its center line and vertical gear shapping machine chuck
Center line overlap, 6. assembly that 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 long axis positioning section
Positioning chassis of each base ring in 6. assembly that step is formed angularly is placed and secured in vertical gear shaping
On the chuck of machine, each positioning support is separately mounted on corresponding pedestal, it is fixed accordingly that each positioning screw is separately mounted to
On the bearing of position, chuck with the outer wall of processed thin-walled hollow long axis positioning section is bonded, is exerted a force by each positioning screw to chuck,
Realize the support for being processed thin-walled hollow long axis positioning section.
The present invention, which has the tooling, following advantageous effect：
1st, positioning chassis, locating ring, positioning core axle, conical core shaft, expansion set and processed thin-walled in tooling of the present invention
The mounting means of the combination of the positioning section of long hollow shaft and the assembly that is formed on vertical gear shapping machine chuck, is realized
To being processed the axially loaded clamping of thin-walled hollow long axis, the problem on deformation of thin-walled hollow long axis is efficiently solved.
2nd, expansion set, conical core shaft and positioning core axle, locating ring and processed thin-walled hollow long axis in tooling of the present invention
The setting of the combination and chuck, positioning screw, pedestal, positioning support of positioning section, not only in the case where avoiding deformation
The fixation on processed thin-walled hollow long axis top is realized, enhances the rigidity of processed thin-walled hollow long axis processing sections, is eliminated
Vibration in processing, and there is no any interference to the centering in combination installation process.
3rd, experiments have shown that, can be 1025-1400mm to length on vertical gear shapping machine, length using tooling of the present invention
Diameter is more normal more than the thin-walled hollow long axis of 800mm than for 6-14, wall thickness 6-15mm, internal spline positional distance lower end clamping position
Involute inner spline processing is carried out, obtains precision and the satisfactory product of surface quality.
4th, expansion set is divided into multiple arc plates in tooling of the present invention, chuck is divided into two identical circles of size
Arcs, thus it is easy to operation during combination.
Description of the drawings
Fig. 1 is the schematic diagram of the tooling of the present invention with vertical gear shaping machining thin-walled hollow long axis, which also describes
Tooling of the present invention and the combination of processed thin-walled hollow long axis and vertical gear shapping machine；
Fig. 2 is the vertical view of Fig. 1；
Fig. 3 is a kind of schematic diagram for being processed thin-walled hollow long axis；
Fig. 4 is the schematic diagram of positioning core axle in the tooling of the present invention with vertical gear shaping machining thin-walled hollow long axis；
Fig. 5 is the schematic diagram of expansion set in the tooling of the present invention with vertical gear shaping machining thin-walled hollow long axis；
Fig. 6 is the left view of Fig. 5；
Fig. 7 is the schematic diagram of conical core shaft in the tooling of the present invention with vertical gear shaping machining thin-walled hollow long axis；
Fig. 8 is the schematic diagram of locating ring in the tooling of the present invention with vertical gear shaping machining thin-walled hollow long axis；
Fig. 9 is the A-A sectional views of Fig. 8.
In figure, the-first positioning shaft shoulder of 1-positioning chassis, 2-locating ring, 2-1,2-2-locating ring main part, 3-
Positioning core axle, 3-1-external thread section, 3-2-internal thread segment, the positioning shaft shoulders of 3-3-second, 4-baffle, 5-trip bolt,
6-expansion set, the first arc plate of 6-1-expansion set, the second arc plate of 6-2-expansion set, 6-3-expansion set third arc plate, 6-
4th arc plate of 4-expansion set, the 5th arc plate of 6-5-expansion set, 7-conical core shaft, 8-cover board, 9-pedestal, 10-it is fixed
Position bearing, 11-chuck, 12-positioning screw, 13-high-pressure compressor rotor axis (being processed thin-walled hollow long axis), 13-1-
Positioning section, 13-2-positioning step, 13-3-internal spline processing sections, the chuck of 14-vertical gear shapping machine, 15-Machine tool pressure plate.
Specific embodiment
By way of example and in conjunction with the accompanying drawings to the work of the present invention with vertical gear shaping machining thin-walled hollow long axis
Assembling structure and application method are described further.
Embodiment 1
Tooling in the present embodiment is for the internal spline of the processing high-pressure compressor rotor axis on vertical gear shapping machine, the height
Pressure compressor rotor axis is as shown in figure 3, be a kind of thin-walled hollow long axis, the length of 1025.5mm, draw ratio 6.8, wall thickness
It is positioning section 13-1 under internal spline processing sections 13-3, there is positioning step 13-2 in positioning section lower end, the positioning section for 7mm
Length L5=257.5mm, the outer diameter of positioning section is 151mm, and positioning section is processed close to the aperture of internal spline processing sections and internal spline
The aperture of section is identical, and the internal diameter d1 of positioning section main part is more than the aperture of internal spline processing sections, and the d1=137mm is described
The aperture d8=d1-13mm=124mm of positioning step centre bore.
Tooling in the present embodiment as shown in Figure 1 and Figure 2, including positioning chassis 1, locating ring 2, positioning core axle 3, baffle 4,
Trip bolt 5, expansion set 6, conical core shaft 7, cover board 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
It states in ladder hole, the aperture positioned at lower part passes through for 3 lower end of positioning core axle, and superposed macropore is to high-pressure compressor rotor
13 lower end of axis positions；
The quantity of the locating ring 2 is one, and as shown in Figure 8, Figure 9, locating ring is cylinder, and the upper end end set has
First positioning shaft shoulder 2-1, the first positioning shaft shoulder is using lower part as locating ring main part 2-2, the outer diameter of locating ring main part
D9=d8-0.2mm=123.8mm, outside diameter d 10=d1-2mm=135mm, length the L8 control of the first positioning shaft shoulder of locating ring
In 13mm, the endoporus d12=80.2mm of locating ring, for the ease of the positioning section with high-pressure compressor rotor axis and positioning step group
It closes, 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, the upper end is provided with outer spiral shell
Line section 3-1, lower end are provided with internal thread segment 3-2, and external thread section one end is provided with the second positioning shaft shoulder 3-3, positioning core axle
The internal diameter d12 of diameter d11 and locating ring 2 is clearance fit, the diameter d2=d10-25mm=of the second positioning shaft shoulder 3-3
In 20mm, the major diameter of external thread section is less than the diameter of positioning core axle for 110mm, length L6 control, anchor ring under the second positioning shaft shoulder 3-3
Length L7=240mm (the length L5 for being less than high-pressure compressor rotor axis positioning section 13-1) between external thread section 3-1 end faces,
Under length L1=160mm, the second positioning shaft shoulder 3-3 under second positioning shaft shoulder 3-3 between anchor ring and external thread section 3-1 section starts
On the positioning step 13-2 set in length L9- high-pressure compressor rotor axis endoporus between anchor ring and positioning core axle lower face
The length L8=of length L10- the first positioning shaft shoulders of locating ring 2-1 between anchor ring and high-pressure compressor rotor axis lower face determines
The length of aperture in the ladder hole of position center chassis position setting；
The quantity of the baffle 4 is one, baffle center position be provided with for trip bolt 5 by via, it is described tight
Gu the quantity of screw 5 is one, the internal thread phase of internal thread segment 3-2 that the external screw thread of trip bolt is set with positioning core axle
Match；
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 shape of expansion set is
Truncated cone-shaped, endoporus are tapered circular through hole, the outside diameter d 3 of expansion set and high-pressure compressor rotor axis positioning section 13-1 main parts
The internal diameter d1 divided is is interference fitted, the aperture d4=d2+4mm=114mm of expansion set endoporus small end, the aperture d5 of expansion set endoporus big end
=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 second arc plate is 120 °, the central angle of third arc plate 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 is one, and for conical core shaft as shown in fig. 7, for tube structure, shape is the frustum of a cone
Shape, endoporus are circular through hole, and the aperture of conical core shaft endoporus is clearance fit with the diameter d11 of positioning core axle 3, 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 of conical core shaft small end × tg α 2, in formula,
Taper angles of the α 2 for conical core shaft outer wall, the length of α 2=α 1=1.5 °, L3 for 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 axis positioning section 13-1's
Diameter is clearance fit, and chuck is divided into two identical arc plates of size (see Fig. 1, Fig. 2)；
The quantity of the cover board 8 is one, cover plate central position be provided with thread segment 3-1 for positioning core axle by mistake
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 10 top of positioning support is provided with and the matched screw hole of positioning screw.
Embodiment 2
The present embodiment tooling described in embodiment 1 processes the internal spline of high-pressure compressor rotor axis on vertical gear shapping machine,
As shown in Figure 1 and Figure 2, application method is as follows for the mode that the tooling is combined with high-pressure compressor rotor axis and vertical gear shapping machine：
1. locating ring is combined with the positioning step set in high-pressure compressor rotor axis endoporus
The main part 2-2 of locating ring 2 is passed through to the center of positioning step set in high-pressure compressor rotor axis endoporus
Hole is located under positioning step, makes anchor ring and ring on the positioning step 13-2 under the first positioning shaft shoulder 2-1 of locating ring setting
Face contacts；
2. positioning core axle is combined with locating ring
The endoporus that the lower end of positioning core axle 3 passes through locating ring 2 from the endoporus of high-pressure compressor rotor axis lower end is stretched out, is made
Anchor ring is contacted with the first positioning shaft shoulder 2-1 upper surfaces that locating ring 2 is set under second positioning shaft shoulder 3-3 of positioning core axle setting；
3. positioning core axle and high-pressure compressor rotor axis are combined with positioning chassis
Positioning core axle lower end is inserted into the ladder hole of 1 centre of positioning chassis setting, makes high-pressure compressor rotor axis
Lower end be located at the setting of 1 centre of positioning chassis the top macropore of ladder hole in, by baffle 4, trip bolt 5 with it is fixed
The cooperation of the internal thread segment of position mandrel lower end setting, positioning core axle and high-pressure compressor rotor axis are combined with positioning chassis；
4. expansion set is combined with high-pressure compressor rotor axis and locating ring
The end face of 6 endoporus small end of expansion set with the first positioning shaft shoulder 2-1 upper surfaces that locating ring 2 is set is contacted, makes expansion set
It is located in locating ring (2) upper surface；
5. conical core shaft is combined with expansion set and positioning core axle
Section conical core shaft 7 being sleeved on the second positioning shaft shoulder of positioning core axle setting makes the small end of conical core shaft
The the second positioning shaft shoulder direction set towards positioning core axle, by the taper fit of conical core shaft and expansion set endoporus realize expansion set with
The endoporus of high-pressure compressor rotor axis positioning section main part is combined closely；
6. the combination of cover board and conical core shaft and positioning core axle
Cover board 8 is sleeved on the external thread section 3-1 of positioning core axle setting, and makes the big end end of cover board 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 axis is combined into one, and forms assembly；
7. installation of the 6. assembly that step is formed on vertical gear shapping machine
6. assembly that 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 contacts, and the center line of assembly is made to be overlapped (see Fig. 1) with the center line of vertical gear shapping machine chuck, uses
6. assembly that step is formed is fixed 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 is angularly distributed, and by fixed realize to positioning chassis 1 6. step is formed
Assembly fixation (see Fig. 1, Fig. 2)；
8. the support of high-pressure compressor rotor axis positioning section
Each pedestal 9 is angularly placed and secured in around positioning chassis 1 on the chuck 14 of vertical gear shapping machine, by each positioning
Bearing 10 is separately mounted on corresponding pedestal, each positioning screw 12 is separately mounted on corresponding positioning support, by chuck
11 are bonded with the outer wall of high-pressure compressor rotor axis positioning section, are exerted a force by each positioning screw to chuck 11, realize that high pressure is calmed the anger
The support of machine rotor axis positioning section.
After combining as stated above, internal spline processing is carried out to high-pressure compressor rotor axis with vertical gear shapping machine.It is processed
Without friction in journey, machining accuracy and surface quality meet the requirements, and any deformation does not occur for high-pressure compressor rotor axis.
Claims (3)
1. a kind of tooling with vertical gear shaping machining thin-walled hollow long axis, it is characterised in that including positioning chassis (1), locating ring
(2), positioning core axle (3), baffle (4), trip bolt (5), expansion set (6), conical core shaft (7), cover board (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 lower part passes through for positioning core axle (3) lower end, and superposed macropore is to being processed thin-walled hollow
Long axis (13) lower end positions,
The quantity of the locating ring (2) is one, and locating ring is cylinder, and the upper end end set has the first positioning shaft shoulder (2-
1), the first positioning shaft shoulder is using lower part as locating ring main part (2-2), the outside diameter d 9=d8- (0.1 of locating ring main part
~0.5) mm, outside diameter d 10=d1- (2~3) mm of the first positioning shaft shoulder of locating ring, in formula, d1 is that be processed thin-walled hollow long
The internal diameter of axis positioning section (13-1) or the internal diameter of positioning section (13-1) main part, d8 are to be processed in thin-walled hollow long 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 concrete type of heart long axis,
The quantity of the positioning core axle (3) is one, and positioning core axle is cylinder, and the upper end is provided with external thread section (3-1), under
End is provided with internal thread segment (3-2), and external thread section one end is provided with the second positioning shaft shoulder (3-3), the diameter of positioning core axle (3)
The internal diameter of d11 and locating ring (2) is clearance fit, diameter d2=d10- (15~35) mm of the second positioning shaft shoulder (3-3), outside
The major diameter of thread segment (3-1) is less than the diameter of positioning core axle, and anchor ring is held with external thread section (3-1) under the second positioning shaft shoulder (3-3)
Length L7 between face is less than the length L5 for being processed thin-walled hollow long axis positioning section (13-1), under the second positioning shaft shoulder (3-3)
Length L9- between anchor ring and positioning core axle lower face is processed the positioning step (13- set in thin-walled hollow long axis endoporus
2) length of length L10- the first positioning shaft shoulders of locating ring (2-1) between upper ring surface and processed thin-walled hollow long axis lower face
The length of aperture in the ladder hole of L8=positioning chassis centre setting is spent,
The quantity of the baffle (4) be one, baffle center position be provided with for trip bolt by via, the fastening spiral shell
The quantity of (5) is followed closely as one, the internal thread phase of internal thread segment (3-2) that the external screw thread of trip bolt is set with positioning core axle
Match,
The quantity of the expansion set (6) is one, and the making material of expansion set is brass, and shape is truncated cone-shaped, and endoporus is tapered
Circular through hole, the outside diameter d 3 of expansion set and processed thin-walled hollow long axis positioning section (13-1) or positioning section (13-1) main part
Internal diameter d1 is is interference fitted, aperture d4=d2+ (2~4) mm of expansion set endoporus small end, the aperture d5=d4+2 of expansion set endoporus big end
× L2 × tg α 1, in formula, α 1 is the taper angle of expansion set endoporus, α 1=1.0 °~2.0 °, and L2 is the length of expansion set, L2=L1, formula
In, L1 is the length under the second positioning shaft shoulder (3-3) between anchor ring and external thread section (3-1) section start in positioning core axle, described
Expansion set is at least divided into five arc plates, wherein, it is 10 ° of arc plate at least there are two central angle,
The quantity of the conical core shaft (7) is one, and conical core shaft is tube structure, and shape is truncated cone, and endoporus is circle
Shape through-hole, the aperture of conical core shaft endoporus and the diameter d11 of positioning core axle (3) are clearance fit, the outer diameter of conical core shaft big end
Outside diameter d 7=d6-2 × L3 × tg α 2 of d6=d5+ (0.2~1.0) mm, conical core shaft small end, in formula, α 2 is outside conical core shaft
The taper angle of wall, α 2=α 1=1.0 °~2.0 °, length of the L3 for conical core shaft, L3=L2- (20~30) mm,
The quantity of the chuck (11) is one, the aperture of chuck endoporus and processed thin-walled hollow long axis positioning section (13-1)
Outer diameter is clearance fit, and chuck is divided into two identical arc plates of size,
The quantity of the cover board (8) is one, cover plate central position be provided with thread segment (3-1) for positioning core axle by mistake
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 matched screw hole.
2. according to claim 1 with the tooling of vertical gear shaping machining thin-walled hollow long axis, it is characterised in that locating ring institute
The length L8 of the first positioning shaft shoulder (2-1) of 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 tooling described in claims 1 or 2, it is characterised in that during processing thin-walled hollow long axis, in the following manner
It is combined with processed thin-walled hollow long axis and vertical gear shapping machine：
1. locating ring is combined with the positioning step set in processed thin-walled hollow long axis endoporus
By the main part (2-2) of locating ring (2) across in the positioning step set in processed thin-walled hollow long axis endoporus
Heart hole is located under positioning step, makes anchor ring and the positioning step (13- under the first positioning shaft shoulder (2-1) of locating ring setting
2) upper ring surface contacts；
2. positioning core axle is combined with locating ring
The endoporus that the lower end of positioning core axle (3) passes through locating ring (2) is stretched out from the endoporus of processed thin-walled hollow long axis lower end,
Make anchor ring and the first positioning shaft shoulder (2-1) upper end of locating ring (2) setting under the second positioning shaft shoulder (3-3) of positioning core axle setting
Face contacts；
3. positioning core axle and processed thin-walled hollow long axis are combined with positioning chassis
Positioning core axle lower end is inserted into the ladder hole of positioning chassis (1) centre setting, makes to be processed thin-walled hollow long axis
Lower end be located at positioning chassis (1) centre setting ladder hole top macropore in, pass through baffle (4), trip bolt
(5) with the cooperation of the internal thread segment of positioning core axle lower end setting, by positioning core axle and processed thin-walled hollow long axis and bottom is positioned
Disk combines；
4. expansion set is combined with processed thin-walled hollow long axis and locating ring
The end face of expansion set (6) endoporus small end with the first positioning shaft shoulder (2-1) upper surface that locating ring (2) is set is contacted, is made swollen
Set is located in locating ring (2) upper surface；
5. conical core shaft is combined with expansion set and positioning core axle
Section conical core shaft (7) being sleeved on the second positioning shaft shoulder of positioning core axle setting makes the small end court of conical core shaft
Expansion set and quilt are realized in the second positioning shaft shoulder direction set to positioning core axle by conical core shaft and the taper fit of expansion set endoporus
Processing thin-walled hollow long axis positioning section or the endoporus of positioning section main part are combined closely；
6. the combination of cover board and conical core shaft and positioning core axle
Cover board (8) is sleeved on the external thread section (3-1) of positioning core axle setting, and makes the big end of cover board and conical core shaft (7)
End face contacts, 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 axis, expansion set and processed thin-walled hollow long axis is combined into one, and forms assembly；
7. installation of the 6. assembly that step is formed on vertical gear shapping machine
6. assembly that step is formed is placed on the chuck (14) of vertical gear shapping machine, makes its center line and vertical gear shapping machine chuck
Center line overlap, 6. assembly that 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 long axis positioning section
Positioning chassis (1) of each pedestal (9) in 6. assembly that step is formed angularly is placed and secured in vertical insert
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 bonded with the outer wall of processed thin-walled hollow long axis positioning section, by each
Positioning screw exerts a force to chuck (11), realizes the support for being processed thin-walled hollow long axis positioning section.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| JPS6116204U (en) * | 1984-06-29 | 1986-01-30 | 大昭和精機株式会社 | combination lock holder |
| 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 |
| US10100908B2 (en) * | 2012-11-30 | 2018-10-16 | Kuroda Precision Industries Ltd. | 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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