CN110202203A - A kind of automatic right-angle milling head device - Google Patents
A kind of automatic right-angle milling head device Download PDFInfo
- Publication number
- CN110202203A CN110202203A CN201910608707.3A CN201910608707A CN110202203A CN 110202203 A CN110202203 A CN 110202203A CN 201910608707 A CN201910608707 A CN 201910608707A CN 110202203 A CN110202203 A CN 110202203A
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- Prior art keywords
- milling head
- gusset piece
- automatic
- shaft
- main shaft
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- 238000003801 milling Methods 0.000 title claims abstract description 138
- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 238000001816 cooling Methods 0.000 claims description 15
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 6
- 235000011613 Pinus brutia Nutrition 0.000 claims description 6
- 241000018646 Pinus brutia Species 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 241000233855 Orchidaceae Species 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 6
- 238000007664 blowing Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 239000002826 coolant Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C9/00—Details or accessories so far as specially adapted to milling machines or cutter
- B23C9/005—Details or accessories so far as specially adapted to milling machines or cutter milling heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/70—Stationary or movable members for carrying working-spindles for attachment of tools or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The present invention provides a kind of automatic right-angle milling head device, including transmission mechanism, automatic tool-broaching mechanism, automatic indexing attitude reference device, multipassage rotary pipeline mechanism, the configuration of the present invention is simple, is reasonably distributed, indexing accuracy is high, rotation speed is fast, easy maintenance.
Description
Technical field
The present invention relates to machine tool functional component fields, and in particular to a kind of automatic right-angle milling head device.
Background technique
Automatic right-angle milling head device switchs to the processing of horizontal main axis, existing automatic milling for realizing lathe vertical spindle automatically
Head is generally larger using size, and assembly and disassembly maintenance is inconvenient, and mostly function is fewer.
Summary of the invention
For the comprehensively solve above problem, in particular for deficiency of the prior art, the present invention provides one kind certainly
Dynamic right-angle milling head device is reasonably distributed, indexing accuracy is high, rotation speed is fast, easy maintenance.
To achieve the above object, the present invention uses following technological means: a kind of automatic right-angle milling head device, including driver
Structure, automatic tool-broaching mechanism, automatic indexing attitude reference device, multipassage rotary pipeline mechanism；The transmission mechanism includes transmission shaft, cone
Gear shaft, bearing support, milling head main shaft, mainshaft rear bearing, right-angle milling head body, milling head blind rivet, fore bearing end cap, spindle flange
Disk, labyrinth seal set, bevel gear, main spindle front bearing, the transmission shaft are coupled with bevel gear shaft by accurate spline, the cone tooth
Wheel shaft is connect by bevel gear with milling head main shaft；The automatic tool-broaching mechanism include broaching tool pawl assembly, loose knife bar, retaining ring, butterfly spring,
Locking nut, disengages spring, cylinder body, rotating seal ring, mobile piston, rotating seal ring, cylinder cover at loose knife adjusting pad,
The rotating seal ring, rotating seal ring are mounted in mobile pistion recess, and the butterfly spring, retaining ring are set on loose knife bar, are led to
Locking nut is crossed to fix, the butterfly spring front end is provided with retaining ring, and the mobile piston is arranged in cylinder body, the pine knife bar with
It is provided with loose knife adjusting pad between mobile piston, the disengagement spring connecting with mobile piston is provided in the cylinder body, it is described
Broaching tool pawl assembly, loose knife bar are provided in milling head main shaft, the broaching tool pawl assembly is securely screwed together with loose knife bar, institute
It states milling head rear-end of spindle to connect with cylinder body, the cylinder body is provided with cylinder cover；The automatic indexing attitude reference device includes
Milling head gusset piece, positioning and guiding key, mobile pin shaft, positioning support, fixing screws, multichannel fixing sleeve, fixation clip, connection
Disk, positioning fluted disc, slidiing pin, compressed spring, adjustable spring, the positioning and guiding key is set on milling head gusset piece, described
Fixation clip is fitted on positioning and guiding key and is fixed by fixing screws and milling head gusset piece；The mobile pin sleeve is mounted in milling
In the hole of head gusset piece, the mobile pin shaft lower end surface is equipped with compressed spring, and the positioning and guiding key is fixed with slidiing pin,
The positioning support is fixed on tie-plate by fixing screws；The transmission shaft upper end is connected with adjustable spring, described flexible
The other end of spring is fixed on spring base, and the positioning fluted disc is fixed by screws on tie-plate；The multipassage rotary
Pipeline mechanism includes quick connector, rotating seal ring, multipassage rotary axis, adjusting pad one, O-ring seals, adjusting pad two, preceding method
Lan Gai, loose knife quick-release connector, cooling quick-release connector, the multipassage rotary axle sleeve be set in multichannel fixing sleeve by screw with
Tie-plate connection, the multichannel fixing sleeve are provided with inner cavity corresponding with multipassage rotary axis step structure, the fast grafting
Head is arranged on milling head gusset piece, is provided in the multichannel fixing sleeve fast with milling head gusset piece, quick connector, loose knife respectively
Changing-over head, the connection of cooling quick-release connector aperture, in the orifice passage being connected to fore bearing end cap in the multichannel fixing sleeve
It is provided with adjusting pad two, is provided with adjusting pad in the orifice passage being connected in the multichannel fixing sleeve with multichannel fixing sleeve
One, one front end of adjusting pad is provided with O-ring seals, and the outer round surface of the multipassage rotary axis is equipped with and the aperture
Corresponding annular arc groove, the upper and lower two sides that each aperture is located on the periphery of the multipassage rotary axis are installed
There is rotating seal ring, multipassage rotary axis lower end is connect with right-angle milling head body, and the bevel gear shaft passes through bearing support and multi-pass
Road rotates axis connection, and the milling head main shaft is connect by mainshaft rear bearing with right-angle milling head body, and the milling head main shaft passes through main shaft
Fore bearing is connect with fore bearing end cap, and fore bearing end cap front end is provided with forward flange lid, is arranged on the milling head gusset piece
There is milling head blind rivet, the milling head spindle nose is provided with the spindle flange disk of connection fore bearing end cap, and the milling head main shaft is with before
The labyrinth seal set positioned at main spindle front bearing both ends is provided between bearing (ball) cover, it is fast to be provided with loose knife on the milling head gusset piece
Changing-over head, cooling quick-release connector.
Further, gap is formed with mobile piston end surface at the top of the loose knife bar.
Further, the gap is 2 millimeters.
Further, the multipassage rotary axis and multichannel fixing sleeve axial movement value are 0.015-0.03mm.
Beneficial effects of the present invention: the configuration of the present invention is simple is reasonably distributed, indexing accuracy is high, rotation speed is fast, maintenance letter
Just, when the invention works, lathe milling head connection plate end face and spindle taper hole and the end face of milling head gusset piece and the conical surface of transmission shaft
Fitting, the gear ring of transmission shaft move down orientation gear ring on certain distance and tie-plate under the action of main shaft and disengage;It mills simultaneously
Mobile pin shaft on head gusset piece is mobile to inner cavity under the action of lathe milling head gusset piece, is led by the L shape on mobile pin shaft
Positioning and guiding key and slidiing pin is pushed to be displaced outwardly together to slot, the orientational cone-shaped surface on positioning and guiding key takes off from positioning support
It opens, positioning fluted disc realizes that precision positioning is bonded with the positioning fluted disc on lathe milling head gusset piece.Machine tool chief axis movement passes through transmission
Axis, bevel gear shaft, bevel gear are transmitted on milling head main shaft, realize the chip campaign of milling head main shaft.Automatic tool-broaching mechanism of the present invention
Being passed through high pressure oil by cylinder cover oil inlet pushes mobile piston to move forward certain distance, same broaching tool after contacting with loose knife bar
Push broach tool disengages broaching tool pawl assembly to pawl assembly etc. forward together, executes the loose knife movement of cutter exchanged automatically, works as Tool changeover
Loose knife solenoid valve commutation, the hydraulic fluid port of cylinder cover couple with oil return opening after good, the spring force of the disengagement spring on cylinder body and pine
Entire tool-broaching mechanism moves back tension cutter under the spring force collective effect of butterfly spring on knife bar, complete cutter automatically loosen and
Pinching action.Pay attention to tensing the gap for having 2mm or so after cutter at the top of loose knife bar with mobile piston end surface, guarantees the rotation of milling head main shaft
It will not interfere with when turning.
When the present invention carries out automatic angle-differentiated, the oil cylinder on lathe milling head gusset piece is pushed down on milling head gusset piece
Milling head blind rivet move down 7-8mm, the positioning fluted disc on positioning fluted disc and lathe milling head gusset piece disengages, on milling head blind rivet
Cylindrical surface and lathe milling head gusset piece between still keep orienting, will not relatively rotate;On gear ring and tie-plate on transmission shaft
Orientation gear ring engages again, and milling head main shaft, which is lockable, not can rotate;Orientational cone-shaped surface on positioning and guiding key is still located with positioning support
In disengaged condition, when machine tool chief axis turns an angle by processing request, transmission shaft, right-angle milling head body and milling head main shaft etc. are together
It is relatively rotated by a certain angle between milling head gusset piece;After completing Angle Indexing, oil cylinder of the present invention on lathe milling head gusset piece
It moves up under upward tensioning function and is bonded with lathe milling head gusset piece, the gear ring on transmission shaft moves down certain distance and tie-plate
Upper orientation gear ring disengages, and precision positioning is bonded positioning fluted disc again with the positioning fluted disc on lathe milling head gusset piece, completes automatic
The angle automatic indexing of milling head.When multipassage rotary pipeline of the present invention mechanism works, by quick connector on milling head gusset piece,
Loose knife quick-release connector, the air blowing corresponding on lathe gusset piece of cooling quick-release connector upper end, the elastic knife of oil cylinder hydraulic, cooling water pipe
Interface is connected, and lower end is connected with the corresponding pipeline of multichannel fixing sleeve, passes through multichannel fixing sleeve, multipassage rotary axis, right angle
Hydraulic pressure oil is transported on loose knife oil cylinder by the parts such as body of milling head, cylinder cover, realizes automatic loose knife control.It is solid by multichannel
The parts such as fixed set, multipassage rotary axis, right-angle milling head body, cylinder cover, mobile piston, loose knife bar, broaching tool pawl assembly, milling head main shaft
Blowing pipe is transmitted on the main shaft conical surface, realizes that automated cleaning is blown and controls.Pass through multichannel fixing sleeve, multipassage rotary
High-pressure coolant is ejected on workpiece by axis, right-angle milling head body, drive end bearing bracket, forward flange lid etc., realizes the automatic cooling control of processing
System.Notice that multipassage rotary axis and multichannel fixing sleeve axial movement value will control in the 0.02-gap 0.03mm, match grinding connects
End face is closed, guarantees that damping cannot be excessive when automatic milling head indexing, driving torque should control in 300N.m, to guarantee spindle motor
It can normal use.
Automatic right-angle milling head device switchs to the processing of horizontal main axis, present invention installation for realizing lathe vertical spindle automatically
On the vertical spindle side of lathe ram, the transmission of automatic milling head horizontal axis can be performed, the indexing of automatic milling head corner, cutter press from both sides automatically
Tightly, the functions such as cutter joint surface automated cleaning is blown, cooling line cools down automatically.
Detailed description of the invention
Fig. 1 is overlooking structure diagram of the invention.
Fig. 2 is schematic diagram of transmission mechanism of the invention.
Fig. 3 is automatic tool-broaching mechanism structural schematic diagram of the invention.
Fig. 4 is automatic indexing attitude reference device structural schematic diagram of the invention.
Fig. 5 is the B-B structural schematic diagram of Fig. 4.
Fig. 6 is multipassage rotary pipeline mechanism structure schematic diagram of the invention.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing.
As shown in Figures 1 to 6, the present embodiment provides a kind of automatic right-angle milling head devices, including transmission mechanism, automatic tool-broaching
Mechanism, automatic indexing attitude reference device, multipassage rotary pipeline mechanism；The transmission mechanism includes transmission shaft 1, bevel gear shaft 2, branch
Hold bearing 3, milling head main shaft 4, mainshaft rear bearing 5, right-angle milling head body 6, milling head blind rivet 7, fore bearing end cap 9, spindle flange disk 11,
Labyrinth seal covers 10, bevel gear 12, main spindle front bearing 13, and the transmission shaft 1 is coupled with bevel gear shaft 2 by accurate spline, institute
Bevel gear shaft 2 is stated to connect by bevel gear 12 with milling head main shaft 4；The automatic tool-broaching mechanism includes broaching tool pawl assembly 20, loose knife
Bar 21, retaining ring 22, butterfly spring 23, locking nut 24, loose knife adjusting pad 25, disengage spring 26, cylinder body 27, rotating seal ring 28,
Mobile piston 29, rotating seal ring 30, cylinder cover 31, the rotating seal ring 28, rotating seal ring 30 are mounted on mobile work
It fills in 29 grooves, the butterfly spring 23, retaining ring 22 are set on loose knife bar 21, and it is fixed by locking nut 24, before the butterfly spring 23
End is provided with retaining ring 22, and the mobile piston 29 is arranged in cylinder body 27, sets between the pine knife bar 21 and mobile piston 29
It is equipped with loose knife adjusting pad 25, the disengagement spring 26 connecting with mobile piston 29, the milling head master are provided in the cylinder body 27
Broaching tool pawl assembly 20, loose knife bar 21 are provided in axis 4, the broaching tool pawl assembly 20 is threadedly secured to one with loose knife bar 21
It rises, 4 rear end of milling head main shaft is connect with cylinder body 27, and the cylinder body 27 is provided with cylinder cover 31,；The automatic indexing
Attitude reference device includes milling head gusset piece 8, positioning and guiding key 52, mobile pin shaft 53, positioning support 54, fixing screws 55, multichannel
Fixing sleeve 56, fixation clip 57, tie-plate 58, positioning fluted disc 59, slidiing pin 60, compressed spring 61, adjustable spring 64, it is described
Positioning and guiding key 52 is set on milling head gusset piece 8, and the fixation clip 57 is fitted on positioning and guiding key 52 and passes through fixation
Screw and milling head gusset piece 8 are fixed；The mobile pin shaft 53 is sleeved in the hole of milling head gusset piece 8, under the mobile pin shaft 53
End face is equipped with compressed spring 61, and the positioning and guiding key 52 is fixed with slidiing pin 60, and the positioning support 54 passes through fixation
Screw 55 is fixed on tie-plate 58；1 upper end of transmission shaft is connected with adjustable spring 64, the other end of the adjustable spring 64
It is fixed on spring base, the positioning fluted disc 59 is fixed by screws on tie-plate 58；Multipassage rotary pipeline mechanism
Including quick connector 71, rotating seal ring 74, multipassage rotary axis 75, adjusting pad 1, O-ring seals 77, adjusting pad 2 79,
Forward flange lid 78, loose knife quick-release connector 81, cooling quick-release connector 82, the multipassage rotary axis 75 are sheathed on multichannel fixing sleeve
It is connect by screw with tie-plate 58 in 73, the multichannel fixing sleeve 56 is provided with inner cavity corresponding with multipassage rotary axis 75
Step structure, the quick connector 71 are arranged on milling head gusset piece 8, be provided in the multichannel fixing sleeve 56 respectively with milling
The aperture that head gusset piece 8, quick connector 71, loose knife quick-release connector 81, cooling quick-release connector 82 are connected to, the multichannel fixing sleeve
It is provided with adjusting pad 2 79 in the orifice passages being connected in 56 with fore bearing end cap 9, the multichannel fixing sleeve 56 is interior and multi-pass
It is provided with adjusting pad 1 in the orifice passage that road fixing sleeve 56 is connected to, one 76 front end of adjusting pad is provided with O-ring seals
77, the outer round surface of the multipassage rotary axis 75 is equipped with annular arc groove corresponding with the aperture, the multichannel
Upper and lower two sides on the periphery of rotary shaft 75 positioned at each aperture are equipped with rotating seal ring 74, multipassage rotary axis
75 lower ends are connect with right-angle milling head body 6, and the bevel gear shaft 2 is connect by bearing support 3 with multipassage rotary axis 75, the milling
Head main shaft 4 is connect by mainshaft rear bearing 5 with right-angle milling head body 6, and the milling head main shaft 4 passes through main spindle front bearing 13 and fore bearing
End cap 9 connects, and 9 front end of fore bearing end cap is provided with forward flange lid 78, is provided with milling head blind rivet on the milling head gusset piece 8
7,4 end of milling head main shaft is provided with the spindle flange disk 11 of connection fore bearing end cap 9, the milling head main shaft 4 and fore bearing
It is provided with the labyrinth seal positioned at 13 both ends of main spindle front bearing between end cap 9 and covers 10, is provided with loose knife on the milling head gusset piece 8
Quick-release connector 81, cooling quick-release connector 82.
Wherein 21 top of loose knife bar is formed with gap with mobile 29 end face of piston, and gap is 2 millimeters.
Preferably, multipassage rotary axis 75 and 56 axial movement value of multichannel fixing sleeve are 0.015-0.03mm.
When the present embodiment works, lathe milling head couples end face and the transmission of plate end face and spindle taper hole and milling head gusset piece 8
The conical surface of axis 1 is bonded, and the gear ring of transmission shaft 1 moves down under the action of main shaft and orients gear ring on certain distance and tie-plate 58
It disengages;Mobile pin shaft 53 simultaneously on milling head gusset piece 8 is mobile to inner cavity under the action of lathe milling head gusset piece, passes through movement
L shape guide groove on pin shaft 53 pushes positioning and guiding key 52 and slidiing pin 60 to be displaced outwardly together, on positioning and guiding key 52
Orientational cone-shaped surface is disengaged from positioning support 54, and the positioning fluted disc on positioning fluted disc 59 and lathe milling head gusset piece realizes precision positioning
Fitting.Machine tool chief axis movement is transmitted on milling head main shaft 4 by transmission shaft 1, bevel gear shaft 2, bevel gear 12, realizes milling head main shaft
4 chip campaign.The present embodiment automatic tool-broaching mechanism is passed through high pressure oil by 31 oil inlet of cylinder cover and pushes mobile piston 29
Certain distance is moved forward, push broach tool disengages broaching tool pawl assembly forward together with broaching tool pawl assembly 20 etc. after contacting with loose knife bar 21
20, the loose knife movement of cutter exchanged automatically is executed, loose knife solenoid valve commutation, the hydraulic fluid port of cylinder cover 31 after Tool changeover is good
Couple with oil return opening, the spring force of the spring force of the disengagement spring 26 on cylinder body 27 and the butterfly spring 23 on loose knife bar 21 is made jointly
Tension cutter is moved back with lower entire tool-broaching mechanism, completes loosening and pinching action automatically for cutter.Pay attention to tense cutter after pine
The gap of 2mm or so is arranged with mobile 29 end face of piston at 21 top of knife bar, guarantees to will not interfere with when milling head main shaft 4 rotates.
When the present embodiment carries out automatic angle-differentiated, the oil cylinder on lathe milling head gusset piece pushes down on milling head gusset piece
Milling head blind rivet 7 on 8 moves down 7-8mm, and the positioning fluted disc on positioning fluted disc 59 and lathe milling head gusset piece disengages, milling head
It still keeps orienting between cylindrical surface on blind rivet 7 and lathe milling head gusset piece, will not relatively rotate;Gear ring on transmission shaft 1 with
It orients gear ring on tie-plate 58 to engage again, milling head main shaft, which is lockable, not can rotate;Orientational cone-shaped surface on positioning and guiding key 52 with
Positioning support 54 is still in disengaged condition, when machine tool chief axis turns an angle by processing request, transmission shaft 1, right-angle milling head body 6
And milling head main shaft etc. relatively rotates by a certain angle between milling head gusset piece 8 together;After completing Angle Indexing, the present embodiment is in lathe
It moves up under the upward tensioning function of oil cylinder on milling head gusset piece and is bonded with lathe milling head gusset piece, the gear ring on transmission shaft 1 is downward
It moves a certain distance and orients gear ring disengagement on tie-plate 58, the positioning fluted disc weight on positioning fluted disc 59 and lathe milling head gusset piece
New precision positioning fitting, completes the angle automatic indexing of automatic milling head.When the present embodiment multipassage rotary pipeline mechanism works, lead to
It crosses on the quick connector 71 on milling head gusset piece 8, loose knife quick-release connector 81, cooling 82 upper end of quick-release connector and lathe gusset piece
Corresponding air blowing, the elastic knife of oil cylinder hydraulic, cooling water pipe interface are connected, and lower end is connected with the corresponding pipeline of multichannel fixing sleeve 56,
Hydraulic pressure oil is conveyed by parts such as multichannel fixing sleeve 56, multipassage rotary axis 75, right-angle milling head body 6, cylinder covers 31
Onto loose knife oil cylinder, automatic loose knife control is realized.By multichannel fixing sleeve 56, multipassage rotary axis 75, right-angle milling head body 6,
Blowing pipe is transmitted to main shaft by the parts such as cylinder cover 31, mobile piston 29, loose knife bar 21, broaching tool pawl assembly 20, milling head main shaft 4
On the conical surface, realizes that automated cleaning is blown and control.By multichannel fixing sleeve 56, multipassage rotary axis 75, right-angle milling head body 6, preceding
High-pressure coolant is ejected on workpiece by end cap 80, forward flange lid 78 etc., realizes the automatic cooling control of processing.Pay attention to multichannel
Rotary shaft 75 and 56 axial movement value of multichannel fixing sleeve will control in the 0.015-gap 0.03mm, match grinding jointing end face, protect
Damping cannot be excessive when demonstrate,proving automatic milling head indexing, and driving torque should control in 300N.m, to guarantee that spindle motor can normally make
With.Automatic right-angle milling head device switchs to the processing of horizontal main axis for realizing lathe vertical spindle automatically, and the present embodiment is generally pacified
On the vertical spindle side of lathe ram, the transmission of automatic milling head horizontal axis can be performed, the indexing of automatic milling head corner, cutter press from both sides automatically
Tightly, the functions such as cutter joint surface automated cleaning is blown, cooling line cools down automatically.The present embodiment has compact-sized, each mechanism
It is reasonably distributed, the characteristics of indexing accuracy is high, rotation speed is fast, easy maintenance.
The present embodiment example, and do not limit the embodiments.For those of ordinary skill in the art
For, other different forms of changes or modifications may be made based on the above description, there is no need and unable to institute
Some embodiments are exhaustive, and thus protection of the changes and variations that derived from still in the present embodiment
In range.
Claims (4)
1. a kind of automatic right-angle milling head device, which is characterized in that the automatic right-angle milling head device includes transmission mechanism, automatic
Tool-broaching mechanism, automatic indexing attitude reference device, multipassage rotary pipeline mechanism；The transmission mechanism includes transmission shaft (1), bevel gear
Axis (2), bearing support (3), milling head main shaft (4), mainshaft rear bearing (5), right-angle milling head body (6), milling head blind rivet (7), fore bearing
End cap (9), spindle flange disk (11), labyrinth seal set (10), bevel gear (12), main spindle front bearing (13), the transmission shaft (1)
Coupled with bevel gear shaft (2) by accurate spline, the bevel gear shaft (2) is connect by bevel gear (12) with milling head main shaft (4)；
The automatic tool-broaching mechanism include broaching tool pawl assembly (20), loose knife bar (21), retaining ring (22), butterfly spring (23), locking nut (24),
Loose knife adjusting pad (25) disengages spring (26), cylinder body (27), rotating seal ring (28), mobile piston (29), rotating seal ring
(30), cylinder cover (31), the rotating seal ring (28), rotating seal ring (30) are mounted in mobile piston (29) groove,
The butterfly spring (23), retaining ring (22) are set on loose knife bar (21), fixed by locking nut (24), butterfly spring (23) front end
It is provided with retaining ring (22), mobile piston (29) setting is in cylinder body (27), the pine knife bar (21) and mobile piston
(29) it is provided with loose knife adjusting pad (25) between, the disengagement bullet connecting with mobile piston (29) is provided in the cylinder body (27)
Spring (26), is provided with broaching tool pawl assembly (20), loose knife bar (21) in the milling head main shaft (4), the broaching tool pawl assembly (20) with
Loose knife bar (21) is threadably secured, and milling head main shaft (4) rear end is connect with cylinder body (27), cylinder body (27) setting
There are cylinder cover (31)；The automatic indexing attitude reference device includes milling head gusset piece (8), positioning and guiding key (52), mobile pin shaft
(53), positioning support (54), fixing screws (55), multichannel fixing sleeve (56), fixation clip (57), tie-plate (58), positioning
Fluted disc (59), slidiing pin (60), compressed spring (61), adjustable spring (64), the positioning and guiding key (52) are set in milling head
On gusset piece (8), the fixation clip (57) is fitted on positioning and guiding key (52) and by fixing screws and milling head gusset piece
(8) fixed；The mobile pin shaft (53) is sleeved in the hole of milling head gusset piece (8), mobile pin shaft (53) the lower end surface installation
Have compressed spring (61), the positioning and guiding key (52) is fixed with slidiing pin (60), and the positioning support (54) passes through fixation
Screw (55) is fixed on tie-plate (58)；Transmission shaft (1) upper end is connected with adjustable spring (64), the adjustable spring
(64) the other end is fixed on spring base, and the positioning fluted disc (59) is fixed by screws on tie-plate (58)；It is described more
Channel rotating pipe mechanism includes quick connector (71), rotating seal ring (74), multipassage rotary axis (75), adjusting pad one
(76), O-ring seals (77), adjusting pad two (79), forward flange lid (78), loose knife quick-release connector (81), cooling quick-release connector
(82), the multipassage rotary axis (75) is sheathed in multichannel fixing sleeve (73) and is connect by screw with tie-plate (58), institute
It states multichannel fixing sleeve (56) and is provided with inner cavity corresponding with multipassage rotary axis (75) step structure, the quick connector (71)
Be arranged on milling head gusset piece (8), be provided in the multichannel fixing sleeve (56) respectively with milling head gusset piece (8), fast grafting
The aperture that head (71), loose knife quick-release connector (81), cooling quick-release connector (82) are connected to, the multichannel fixing sleeve (56) are interior with before
Adjusting pad two (79) is provided in the orifice passage of bearing (ball) cover (9) connection, in the multichannel fixing sleeve (56) and multichannel
It is provided with adjusting pad one (76) in the orifice passage of fixing sleeve (56) connection, it is close that adjusting pad one (76) front end is provided with O shape
Seal (77), the outer round surface of the multipassage rotary axis (75) are equipped with annular arc groove corresponding with the aperture, institute
It states the upper and lower two sides on the periphery of multipassage rotary axis (75) positioned at each aperture and rotating seal ring (74) is installed,
Multipassage rotary axis (75) lower end is connect with right-angle milling head body (6), and the bevel gear shaft (2) passes through bearing support (3) and multi-pass
Road rotary shaft (75) connection, the milling head main shaft (4) are connect by mainshaft rear bearing (5) with right-angle milling head body (6), the milling head
Main shaft (4) is connect by main spindle front bearing (13) with fore bearing end cap (9), and fore bearing end cap (9) front end is provided with preceding method
Orchid covers (78), is provided with milling head blind rivet (7) on the milling head gusset piece (8), before milling head main shaft (4) end is provided with connection
The spindle flange disk (11) of bearing (ball) cover (9) is provided between the milling head main shaft (4) and fore bearing end cap (9) positioned at main shaft
The labyrinth seal set (10) at fore bearing (13) both ends is provided with loose knife quick-release connector (81), cooling on the milling head gusset piece (8)
Quick-release connector (82).
2. a kind of automatic right-angle milling head device according to claim 1, which is characterized in that after tensing cutter, the pine knife
Gap is formed with mobile piston (29) end face at the top of bar (21).
3. a kind of automatic right-angle milling head device according to claim 2, which is characterized in that the gap is 2 millimeters.
4. a kind of automatic right-angle milling head device according to claim 1, which is characterized in that the multipassage rotary axis (75)
It is 0.015-0.03mm with multichannel fixing sleeve (56) axial movement value.
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| CN110883592A (en) * | 2019-12-02 | 2020-03-17 | 大连理工大学 | Honeycomb sealing structure knife handle for hollow conveying of liquid nitrogen |
| CN111421149A (en) * | 2020-05-21 | 2020-07-17 | 安徽津野数控科技有限公司 | Gear type milling machine spindle |
| CN112247231A (en) * | 2020-10-15 | 2021-01-22 | 航天科工哈尔滨风华有限公司 | Lengthened angle milling head device of three-point positioning supporting structure |
| CN112589498A (en) * | 2020-12-10 | 2021-04-02 | 漳州东刚精密机械有限公司 | Gantry right-angle milling head capable of automatically rotating |
| CN116921750A (en) * | 2023-09-19 | 2023-10-24 | 通用技术集团沈阳机床有限责任公司 | Orthogonal milling head structure and assembly method |
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| CN116921750B (en) * | 2023-09-19 | 2024-01-12 | 通用技术集团沈阳机床有限责任公司 | Orthogonal milling head structure and assembly method |
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| CN110202203B (en) | 2023-12-22 |
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