CN206392935U - Milling head and Digit Control Machine Tool for Digit Control Machine Tool - Google Patents
Milling head and Digit Control Machine Tool for Digit Control Machine Tool Download PDFInfo
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- CN206392935U CN206392935U CN201621342634.6U CN201621342634U CN206392935U CN 206392935 U CN206392935 U CN 206392935U CN 201621342634 U CN201621342634 U CN 201621342634U CN 206392935 U CN206392935 U CN 206392935U
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- main frame
- milling head
- rotary shaft
- machine tool
- control machine
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Abstract
This application discloses a kind of milling head for Digit Control Machine Tool, including the connecting seat with the hole entered for the main frame main shaft；For the extended seat being fixedly connected with the connecting seat end face；It is arranged at the first rotary shaft in the extended seat；It is fixedly installed on the first gear in first rotary shaft；For the body of milling head being fixedly connected with the extended seat；The second rotary shaft for being used to drive cutter to rotate in the body of milling head is arranged at, first rotary shaft and second rotary shaft are arranged mutual vertically；And it is fixedly installed on the second gear that in second rotary shaft and described first gear is mutually matched.In addition, disclosed herein as well is a kind of Digit Control Machine Tool.Connecting seat and extended seat are designed as Split type structure by the application, and the length that can be so converted according to the size and needs of different main frames or main frame ram end face separately designs connecting seat and extended seat.So design reduces the complexity coefficient of part, and manufactured connecting seat and extended seat precision is more preferable.
Description
Technical field
The utility model is related to digit ctrol machine tool field, more particularly to a kind of strong milling head of degree of flexibility for Digit Control Machine Tool with
And using the Digit Control Machine Tool of the milling head.
Background technology
The external shell of existing milling head is an entirety, and an end face of the housing is used for and main frame ram is combined, should
The length of housing is the extended length of milling head.Therefore, the ram change in size when main frame or the geometrical extension change of milling head
When, it is required for changing the shell body of milling head.The degree of flexibility of this milling head is poor, and complex contour coefficient height causes to be designed and manufactured as
This is higher.
In addition, when installing, milling head needs to align using the main frame ram that sum control lathe is played in driving, then manual rotation
The main shaft of milling head, combine the driving key on straight end-face key on main frame main shaft and milling head transmission disk, then manual rotation milling head
Main shaft, then milling head is fixed on main frame ram with screw.During dismounting, milling head is also required to play using driving, and keeps sum
The main frame ram of control lathe is aligned, and then loosens screw manually again.Therefore, technical ability and warp of the handling of milling head completely by workman
Test, completing once handling needs 2 hours or so, and due to lacking identification safety guard, often due to operational error
Damage positioning, the drive disk assembly of milling head or main frame ram end face.
It is due to the two although being provided with the pin-and-hole with the detent fit on main frame ram on existing milling head housing
Positioning accuracy request it is very high, this requires that process equipment precision is very high, in turn result in processing cost raising.Moreover, one
As a main frame can configure multiple milling heads of different size, then the pin-and-hole on each milling head housing will be with determining on ram
Position pin is with very high positioning precision, once the position of the two is not inconsistent, it is possible to milling head shell is caused in work of numerical control machine
Body is scrapped.
Utility model content
In view of defect present in prior art, one embodiment of the utility model provides a kind of for Digit Control Machine Tool
Milling head, including：
End face has the connecting seat that the main frame or main frame ram shape of the Digit Control Machine Tool match, the connection seat tool
There is the hole entered for the main frame main shaft；
For the extended seat being fixedly connected with the connecting seat other end；
Be arranged in the extended seat for the first rotary shaft for being fixedly connected with the main shaft of the main frame；
It is fixedly installed on the first gear in first rotary shaft；
For the body of milling head being fixedly connected with the extended seat, first rotary shaft can enter the body of milling head；
It is arranged at the second rotary shaft for being used to drive cutter to rotate in the body of milling head, first rotary shaft and described
Second rotary shaft is arranged mutual vertically；And
It is fixedly installed on the second gear in second rotary shaft, the second gear and mutual of the first gear
Match somebody with somebody, to enable the power of the main frame main shaft to be conducted via first rotary shaft to the second rotary shaft.
In embodiment of the present utility model, connecting seat and extended seat are designed as Split type structure, so can basis
Different main frames or the size of main frame ram end face and the length for needing conversion, separately design connecting seat and extended seat.So
Design causes the quantity of manufacture mould to reduce, the complexity coefficient reduction of part, therefore manufactured connecting seat and extended seat precision
More preferably, cost is lower.
In an embodiment of the present utility model, the described milling head for Digit Control Machine Tool can also be included regularly
It is sheathed on the main shaft straight end-face key having on the drive plate in first rotary shaft, the end face of the drive plate with the main frame
Locating slot is additionally provided with the keyway matched somebody with somebody, the drive plate；And quasi- stop device, including：It is fixedly arranged at the extended seat
Upper housing；It is fixedly arranged at the first flexible member in the housing；It is arranged in the housing and with described
The telescopic element of one flexible member association, the telescopic element has to be extended towards the main frame or the main frame ram direction
First bar of the housing and the second bar for extending the housing towards the drive plate radial direction；The first elasticity member
Part has relaxed state and impaction state：When first flexible member is in relaxed state, second bar is in described
In the locating slot of drive plate；When first flexible member is in impaction state, the end face of main frame or the main frame ram
First bar is extruded, to cause second bar to deviate from the locating slot of the drive plate.
In an embodiment of the present utility model, the first gear and the second gear are spiral bevel gear
It is secondary；The inner spline gear that matching is provided with external spline teeth, the endoporus of the first gear is provided with first rotary shaft；Institute
State and flat key groove is symmetrically provided with the second rotary shaft, flat key is symmetrically provided with the endoporus of the second gear.
In an embodiment of the present utility model, the described milling head for Digit Control Machine Tool can also include being arranged at
Expansion sleeve in first rotary shaft, the expansion sleeve includes：
Circumferential multiple screws；
The first tapered annulus of the section that is sheathed on the screw；
The second tapered annulus of the section that is sheathed on the screw, the narrowed end of second annulus and described first
The narrowed end of annulus is oppositely arranged；
It is arranged at the section of first annulus and the second annulus lateral surface the 3rd annulus triangular in shape, described
The protuberance of three annulus is filled between first annulus and second annulus；
It is arranged at the section of first annulus and the second annulus medial surface the 4th annulus triangular in shape, described
The protuberance of four annulus is filled between first annulus and second annulus；
When the expansion sleeve is squeezed, the expansion end radial contraction of first annulus, the expansion of second annulus
Open end radial dilatation.
In an embodiment of the present utility model, the described milling head for Digit Control Machine Tool can also include being arranged at
Graduated ring on the body of milling head periphery；It is arranged at the trip for being used to index for the body of milling head on the extended seat periphery
Mark.
In an embodiment of the present utility model, the described milling head for Digit Control Machine Tool can also include being close to
Plane where the body of milling head end, is circumferentially formed at the water dumping groove in second rotary shaft below the plane；It is close to
Plane where the body of milling head end, side is circumferentially formed at the labyrinth seal in second rotary shaft on this plane
Portion；The labyrinth seal portion includes：It is formed at the ring-shaped depression on axle journal in second rotary shaft；It is arranged at the annular recessed
The second interior flexible member is fallen into, the periphery of second flexible member and the body of milling head are in close contact, second elasticity
Each surface of element and the ring-shaped depression is respectively provided with gap.
In an embodiment of the present utility model, axially arranged there is reinforcement along its on the inner headed face of the extended seat
Muscle.
Because the inner chamber that vertical elongated milling head will often put in part is processed, it requires that body of milling head size is small, prolong
The excircle dimension of swinging seat is small.Existing milling head extended seat is using cylinder, thick-walled structure, weight weight poor rigidity, the utility model
The extended seat of milling head sets the structure of reinforcement using cone, thin-walled and inside, and lightweight rigidity is good.
The main shaft supporting of existing milling head uses angular contact ball bearing, and gear pair uses straight bevel gear pair, poor rigidity, cutting
Ability.Second rotation e axle supporting of the utility model milling head uses taper roll bearing, and gear pair uses curved-tooth bevel gear wheel set,
Rigidity is good, and cutting power is strong.
Enter in addition, cutting fluid often occurs in existing milling head in the bearing of the second rotary shaft, dilution lubricating grease, corrosion axle
Hold, cause the situation of bearing failure.The bearing of second rotary shaft of the present utility model uses water dumping groove, labyrinth seal and lubricating grease
Combination, not only the size of milling head is small but also good sealing effect.
The utility model additionally provides a kind of Digit Control Machine Tool, including：
Any milling head as described above；
At least two are fixedly installed on the alignment pin on the main frame of the Digit Control Machine Tool or main frame ram；
Be fixedly embedded in the connecting seat end face etc. quantity and alignment pin matching positioning sleeve, it is described fixed
There is annular chamber between the periphery and the connecting seat of position set；
It is opened in the glueing channel connected with the annular chamber and plastic emitting passage on the connecting seat.
The utility model is provided with positioning sleeve on the connecting seat of milling head, and positioning is set on main frame or main frame ram
Pin, positioning sleeve after alignment pin centering by the way of encapsulating with being accurately positioned.Such design method so that determining on main frame ram
The pitch-row tolerance of position pin and the pitch-row tolerance of connecting seat can be reduced, and processing request can be met using common process equipment, because
This reduces processing cost.Positioning sleeve is made after can also using superior alloy steel quenching, qualitative, accurate grinding, stable accuracy,
Service life is long, even if replacement cost is relatively low after abrasion.
In some embodiments of the present utility model, the position that the connecting seat is used to be embedded in the positioning sleeve is provided with
With the venthole of ft connection, during make it that the alignment pin and the positioning sleeve are combined, the gas energy inside the positioning sleeve
It is enough to be discharged via the venthole.
In some embodiments of the present utility model, described Digit Control Machine Tool can also be described including being fixedly arranged at
Pulling claw on the main frame or main frame ram of Digit Control Machine Tool；It is fixedly arranged at the blind rivet on the connecting seat；The pulling claw tool
There are tension and relaxed state：When the pulling claw is in tension, the blind rivet is clamped by the pulling claw；Drawn when described
When pawl is in relaxed state, the blind rivet can be disengaged with the pulling claw.
In some embodiments of the present utility model, described Digit Control Machine Tool can also include being arranged at the connecting seat
The signal shaft on end face fitted for the main frame with the Digit Control Machine Tool or main frame ram；It is arranged at the Digit Control Machine Tool
The signal supervisory instrument of on main frame or main frame ram and described signal shaft matching.
Digit Control Machine Tool provided by the utility model being capable of automatic loading and unloading milling head.The milling head is provided with quasi- stop device, lathe
Or machine ram is provided with signal shaft.When loading and unloading milling head, milling head is positioned in head storehouse or annex dolly, by main frame (ram) along X
Setting position (the main frame alignment of shafts and milling head central alignment) is moved to Y-direction, pulling claw is unclamped, main frame is moved to along Z-direction and set
(main frame ram end face and milling head connecting seat end contact) is put in positioning, is tensed on pulling claw, pulling claw automatic tension milling head connecting seat
Blind rivet, then sequentially starts Y, Z, X-coordinate i.e. completion and changes head action, this process is automatic by machine tool numerical control system by setup program
Perform, as long as operator presses executive button, monitoring and changes a process, as long as loading and unloading about 5 minutes, drastically increase
Operating efficiency.Quasi- stop device and signal shaft constitute identification safety guard, therefore will not damage or damage milling head and main frame
Or main frame ram.
Brief description of the drawings
Fig. 1 be head storehouse in put different size milling head Digit Control Machine Tool；
Fig. 2 is the front view that milling head and main frame ram are combined；
Fig. 3 is the right view of milling head；
Fig. 4 is the sectional view in Fig. 3 along A-A hatchings；
Fig. 5 is the sectional view in Fig. 4 along F-F hatchings；
Fig. 6 is the enlarged diagram of the quasi- stop device shown in Fig. 4；
Fig. 7 is the schematic diagram of the quasi- stop device of milling head；
Fig. 8 is the sectional view along the B-B hatchings in Fig. 7；
Fig. 9 is the partial enlarged drawing of expansion sleeve in Fig. 4；
Figure 10 is that milling head internal construction details show figure；
Water dumping groove and the partial enlarged drawing of labyrinth seal (H parts) in Figure 11 Fig. 4；
Figure 12 is the partial sectional view in Fig. 4 along C-C hatchings；
Figure 13 is the sectional view in Fig. 3 along D-D hatchings；
Figure 14 is the sectional view in Fig. 3 along E-E hatchings；
Figure 15 is the schematic diagram that the signal shaft in detection switch and milling head on main frame or main frame ram coordinates.
Embodiment
In order that the purpose, technical scheme and advantage of utility model are clearer, below in conjunction with the accompanying drawings and specific embodiment
Utility model is described in further detail.Although showing disclosure exemplary embodiment in accompanying drawing, it being understood, however, that
The utility model be may be realized in various forms without that should be limited by embodiments set forth here.It is opposite that there is provided these implementations
Example is able to more thorough explanation the utility model, and can by scope of the present utility model completely convey to ability
The technical staff in domain.
By taking the Digit Control Machine Tool with ram shown in Fig. 1 as an example, the main shaft of the main frame of the Digit Control Machine Tool is arranged at main frame cunning
On pillow, ram can move to exact position according to the instruction of digital control system in the range of movement in tri- directions of X, Y, Z, and then
Main frame main shaft can be combined with different type, various sizes of annex in head storehouse.
Shown in 2~Fig. 4 of reference picture, the embodiment of the utility model one provides a kind of milling head for Digit Control Machine Tool, mainly
Including for the connecting seat 2 connected with main frame ram 1, extended seat 3, the first rotary shaft 4 being arranged in extended seat 3, be arranged at
First gear 5, body of milling head 6 in first rotary shaft 4, the second rotary shaft 7 being arranged in body of milling head 6, it is arranged at the second rotation
Second gear 8 on axle 7.
The shape of an end face and the end surface shape of main frame ram 1 of connecting seat 2 match, and have to enter for main frame main shaft
The hole entered.Extended seat 3 is positioned by another end face of pin and connecting seat 2, is then fixed by screw.First rotary shaft 4
It is arranged in extended seat 3, its one end can be with the 1-1 connections of main frame main shaft.Body of milling head 6 is fixedly installed on one end of extended seat 3,
And it has the hole entered for the first rotary shaft 4.Second rotary shaft 7 is arranged in body of milling head 6.Second gear 8 is regularly set
It is placed in the second rotary shaft 7, second gear 8 and first gear 5 match.Therefore, main frame main shaft 1-1 power can be via
One rotary shaft 4 is passed to the second rotary shaft 7.First rotary shaft 4 and the orthogonal arrangement of the second rotary shaft 7.Second rotates
The lower end of axle 7 is used for fixed cutting tool.
In the present embodiment, main frame is horizontal, therefore extended seat 3 is horizontally disposed, and body of milling head 6 is vertically arranged.In others
Embodiment, when main frame is vertical, extended seat 3 should be vertically arranged, and body of milling head 6 is then horizontally disposed with.Of course it is not excluded main frame
There are other arrangements, to cause extended seat 3 and angled (non-to be mutually perpendicular to) arrangement of body of milling head 6.
With reference to Fig. 5, extended seat 3 is simple revolving body, when needing different development lengths, can be used various sizes of
Extended seat 3, such as 500mm, 750mm, 1000mm, 1250mm.Connecting seat 2 is simple rectangular shape, changes its size
To cause its main frame ram that can adapt to different cross section size, such as 450mm × 450mm, 480mm × 580mm, 500mm ×
500mm、 520mm×580mm.Split type extended seat 3 and connecting seat 2 manufactures more simple, is slided for the main frame in various sections
Pillow and required development length can be selected simply.For example, can simply select be applied to cross-sectional sizes be 480mm ×
The connecting seat 2 and Extendible Extent of 580mm main frame ram are 1000mm extended seat 3.
In an embodiment of the present utility model, the left end and right-hand member of extended seat 3 are substantially in straight mesa-shaped, center section
For capitate body, the diameter of left end is less than the diameter of right-hand member, and four reinforcements are provided with the endoporus of extended seat 3.
Shown in reference picture 3~4, in an embodiment of the present utility model, regularly it is arranged with the first rotary shaft 4
Have on drive plate 9, the end face of drive plate 9 outside the keyway 91 that the straight end-face key 1-2 with main frame main shaft 1-1 is matched, drive plate 9
Locating slot 92 is additionally provided with disc.Quasi- stop device 10 is fixedly installed on the inner headed face of extended seat 3.
Referring in particular to Fig. 6~8, quasi- stop device 10 include being fixedly arranged at housing 101 on the inner headed face of extended seat 3,
The flexible member 102 that is fixedly arranged in housing 101, be arranged in housing 101 and contradict stretching on flexible member 102
Contracting element 103.
Housing 101 is fixedly mounted on extended seat 3 by screw, and it has a long and narrow chamber.Flexible member 102 can
To use spring, it is arranged in above-mentioned long and narrow chamber.One end of flexible member 102 is contradicted on the inwall of housing 101.Stretch
One end that contracting element 103 and flexible member 102 are contacted is in "] " shape.The depth at "] " end is shallower than oneself when flexible member 102 relaxes
By length.Telescopic element 103 also has first bar 104, Yi Jiyi for extending housing 101 towards the direction of main frame ram 1
The individual radial direction towards drive plate 9 extends the second bar 105 of housing 101.Second bar 105 can be with drive plate 9 positioning
Groove 92 is matched.
In use, flexible member 102 has relaxed state and impaction state, when flexible member 102 is in relaxed state,
Second bar 105 is in the locating slot 92 of drive plate 9.When main frame ram end face extrude the first bar 104 when, the first bar 104 to
Move left, flexible member 102 is compressed, the second bar 105 is moved to the left to be deviate from by the locating slot 92 of drive plate 9 simultaneously.
The advantage of this design method is that (milling head is not selected, and is not slided with main frame or main frame when milling head is idle
Pillow is combined), by the locking of the bar 105 of locating slot 92 and second of drive plate 9, to cause the first rotary shaft 4 not rotate, enter
And the keyway 91 on drive plate 9 is horizontal forever.When milling head is selected, main frame main shaft 1-1 straight end-face key 1-2 is with regard to energy
Enough be exactly into keyway 91, it is to avoid relative position mistake between drive plate 9 and main frame main shaft 1-1 and cause
End face is damaged.
In an embodiment of the present utility model, an expansion sleeve 11 is arranged with the first rotary shaft 4, it is swollen at this
Under the expansion of expansion set 11, the connection of the first rotary shaft 4 and drive plate 9 is completed.
Shown in reference picture 4 and Fig. 9, specifically, the expansion sleeve 11 includes the first tapered annulus 111 of section, section and is in
Second annulus 112 of taper, section the 3rd annulus 113 triangular in shape, section the 4th annulus 114 triangular in shape and along
Multiple screws 115 of circle distribution.The narrowed end of first annulus 111 and the second annulus 112 is relatively sheathed on multiple screws
On 115, therefore depression is inwardly formed in their lateral surface and medial surface.The section conduct of the 3rd annulus 113 triangular in shape
Outer ring is placed on the lateral surface of the first annulus 111 and the second annulus 112, and the protuberance of the 3rd annulus 113 is filled in the first annulus
111 and the second depression between annulus 112 in.Section the 4th annulus 114 triangular in shape is arranged at the first annulus as inner ring
111 and second annulus 112 medial surface, the protuberance of the 4th annulus 114 be filled in the first annulus 111 and the second annulus 112 it
Between be recessed in.Expansion sleeve 11 is extruded when using multiple screws 115, (diameter is big for the expansion end of the first annulus 111 first
One end) radial contraction, expansion end (the big one end of diameter) radial dilatation of subsequent second annulus 112, extrude the 3rd annulus
113 and the 4th annulus 114 deform it so that the periphery swelling drive plate 9 of the 3rd annulus 113 so that the 4th annulus 114
The first rotary shaft of inner headed face swelling 4.It is interference fit actually between the rotary shaft 4 of expansion sleeve 11 and first, drive plate 9.
Figure 10 is installed on the schematic diagram on main frame ram for the milling head that the utility model is provided, and it is interior that Figure 10 and Fig. 4 are represented
Appearance is identical, merely for convenience that detail section is marked and described.
Shown in reference picture 10, the main bearing 31, bearing 32 and bearing 33 by being arranged in extended seat 3 of the first rotary shaft 4
Supporting positioning.Positioning sleeve 34 and positioning sleeve 35 are installed in the endoporus of extended seat 3.Bearing 31, bearing 32 are installed on positioning sleeve 34
On, and separated by the equal outer separator 36 of thickness and inner spacing collar 37, to increase supporting rigidity.Bearing 33 is installed on positioning sleeve 35
On.
Extended seat 3 and body of milling head 6 are positioned via sleeve 12, and by four along the circumferentially distributed screw in the left side of extended seat 3
With the nut fastening being arranged in the right side T-slot of body of milling head 6.It is provided between sleeve 12 and the axle journal of first gear 5 in pairs
Angular contact ball bearing 36, the paired angular contact ball bearing 36 is locked nut check on the axle journal of first gear 5, and by axle
Hold the axially position of lid 37.Paired angular contact ball bearing 36 is separated by inner spacing collar 38 and outer separator 39.
In an embodiment of the present utility model, the second rotary shaft 7 is by the high accuracy circular that is arranged on inside body of milling head 6
The supporting positioning of taper roller bearing 61,62, then by locking nut 63, the adjustment pretension of packing ring 64 and 65.Cutter is then by being arranged on second
Screw 71 in the end cone hole of rotary shaft 7 is tensed, and the straight end-face key that the keyway on cutter can be with the end of the second rotary shaft 7
72 combine, to realize the smooth transfer of power.
Reference picture 4 and Figure 11, in an embodiment of the present utility model, the milling head for Digit Control Machine Tool is also wrapped
Plane where being close to the end of body of milling head 6 is included, getting rid of in second rotary shaft is circumferentially formed at below the plane
Tank 73.And it is close to plane where the end of body of milling head 6, side is circumferentially formed at described second and rotated on this plane
Labyrinth seal portion on axle 7.Labyrinth seal portion includes the ring-shaped depression 74 being formed in the second rotary shaft 7 on axle journal and is arranged at
The second flexible member 75 in ring-shaped depression 74.The periphery and body of milling head 6 of second flexible member 75 are in close contact, the second elasticity
Each surface (upper, left, lower three faces in Figure 11) of element 75 and ring-shaped depression 74 is respectively provided with gap.Above-mentioned gap is used to fill
Lubricant grease.
During work, lubricating grease is filled between the flexible member 75 (can be spring leaf) of ring-shaped depression 74 and second, is conducive to
Therebetween relative motion, and can further prevent in the entrance bearing of cutting fluid.The main shaft bearing of existing milling head is adopted
With clearance seal, it is impossible to obstruct cutting fluid well, often there is cutting fluid into dilution profit in the bearing 62 of the second rotary shaft 7
Consistent lubricant, corrosion bearing, cause bearing failure.Present embodiment then uses the combination of water dumping groove+labyrinth seal+lubricating grease,
The size of the part is not only reduced, and with better seal effect.
In an embodiment of the present utility model, it can also be set on the axle journal of first gear 5 and second gear 8
Spacer 13 and spacer 14, in favor of adjustment first gear 5 and the engagement of second gear 8.
Shown in reference picture 4, in an embodiment of the present utility model, above-mentioned first gear 5 and second gear 8 is equal
For curved-tooth bevel gear wheel set.The periphery of second rotary shaft 7 is symmetrically provided with flat key groove, the endoporus of second gear 8 and is provided with
Symmetrically flat key.Join shown in Figure 12, be provided with the first rotary shaft 4 in external spline teeth, the endoporus of first gear 5 and be provided with matching
Inner spline gear.
In an embodiment of the present utility model, the side of body of milling head 6 is also provided with being used for processing, assemble,
Dismountable cover plate 66 of maintenance.
In addition, the utility model additionally provides a kind of Digit Control Machine Tool.Because Fig. 4 and Figure 10 show that milling head and lathe are slided
The schematic diagram being combined is rested the head on, therefore this kind of Digit Control Machine Tool is described referring still to Fig. 4 and Figure 10 herein.
Reference picture 3, Fig. 4 and Figure 13, Digit Control Machine Tool provided by the utility model include any implementation as described above
The milling head of mode, and at least provided with two alignment pin 1-3 on the main frame ram 1 of Digit Control Machine Tool, in the end face of connecting seat 2
The positioning sleeve 21 of the quantity such as fixedly embedded and described alignment pin 1-3 matchings.Have between the periphery and connecting seat 2 of positioning sleeve 21
There is annular chamber 22.The glueing channel 23 and plastic emitting passage 24 connected with annular chamber 22 is offered on the connecting seat 2.Position glue
It can enter from glueing channel 23, after whole annular chamber 22, part positioning glue is discharged (to prove by plastic emitting passage 24
Annular chamber 22 is filled).After encapsulating, positioning sleeve 21 is limited in the free degree of six direction.
Using this design method, the pitch-row tolerance on main frame ram 1 and connecting seat 2 can be loosened, with common equipment
Processing request can be just met, processing cost is reduced.Main frame ram 1 and connecting seat 2 go out when initial positioning combination
Now position deviation slightly, will not also be damaged because of rigid collision, technical staff only need to by the two combine after use encapsulating again
Mode be accurately positioned.Positioning sleeve after superior alloy steel quenching, qualitative, accurate grinding using being made, and stable accuracy is used
Long lifespan, even if replacement cost is relatively low after abrasion.
With continued reference to Figure 13, in an embodiment of the present utility model, connecting seat 2 is used for the position for being embedded in positioning sleeve 21
The venthole 25 being equipped with ft connection is installed, during make it that alignment pin 1-3 and positioning sleeve 21 are combined, the gas inside positioning sleeve 21
Body can be discharged via venthole 25.
Reference picture 3, Fig. 4 and Figure 14, in an embodiment of the present utility model, Digit Control Machine Tool also includes regularly setting
The pulling claw 1-4 being placed on main frame or main frame ram 1, is fixedly arranged at the blind rivet 26 on institute's connecting seat 2.Pulling claw 1-4 has
Tension and relaxed state：When the pulling claw 1-4 is in tension, blind rivet 26 is clamped by pulling claw 1-4, to realize connection
Seat 2 is fixedly connected with main frame ram 1.When the pulling claw 1-4 is in relaxed state, blind rivet 26 can be disengaged with pulling claw 1-4,
So that milling head to be disassembled from main frame ram 1.In the embodiment shown in fig. 3, pulling claw 1-4 and blind rivet 26 respectively have four.
Shown in reference picture 4 and Figure 15, in an embodiment of the present utility model, in connecting seat 2 and Digit Control Machine Tool
Signal shaft 27 is provided with the end face that main frame or main frame ram 1 are fitted.Set on the main frame or main frame ram 1 of Digit Control Machine Tool
It is equipped with the signal supervisory instrument 1-5 matched with signal shaft 27.
In order to expand the range of work of Digit Control Machine Tool main frame, generally need to configure several function accessories heads.Each
The power of function accessories head, moment of torsion, rotating speed and main frame main shaft axial stroke (distance of stretch out and draw back) it is all different, therefore main frame needs
Identification current state is empty driving state or attachment status, and further identification is which annex (vertical elongated milling head, omnipotent milling
Head, facing head etc.) it is installed on main frame.It therefore, it can that a signal shaft 27, each annex are installed on each accessory head
Signal shaft 27 relative position it is different.Installation detecting device 1-5 (the photoelectricity on the correspondence position of main frame or main frame ram 1
Detection switch).Define different switches and correspond to different signal shafts 27.For example, No. 1 switch correspondence vertical elongated milling head, when 1
Number switch obtain signal (signal shaft triggering photoelectric detection switch) when, system just calls the special sub- journey of vertical elongated milling head automatically
Sequence, carries out axial stroke (distance of stretch out and draw back) limitation of power, moment of torsion, rotating speed and main frame main shaft, in order to avoid damage lathe or generation
Security incident.
Various embodiments of the present utility model are described in detail above.It will be understood by those skilled in the art that can be
In the case of without departing from the utility model scope (being limited by the accompanying claims), to embodiment carry out it is various modification,
Change and change.The widest range consistent with illustrating should be explained and met from entirety to explaining for right, do not limited
Implementation example in example or detailed description.
Claims (11)
1. for the milling head of Digit Control Machine Tool, including：
End face has the connecting seat that the main frame or main frame ram shape of the Digit Control Machine Tool match, and the connecting seat, which has, to be supplied
The hole that the main frame main shaft enters；
For the extended seat being fixedly connected with the connecting seat other end；
Be arranged in the extended seat for the first rotary shaft for being fixedly connected with the main shaft of the main frame；
It is fixedly installed on the first gear in first rotary shaft；
For the body of milling head being fixedly connected with the extended seat, first rotary shaft can enter the body of milling head；
It is arranged at the second rotary shaft for being used to drive cutter to rotate in the body of milling head, first rotary shaft and described second
Rotary shaft is arranged mutual vertically；And
The second gear in second rotary shaft is fixedly installed on, the second gear and the first gear are mutually matched,
To enable the power of the main frame main shaft to be conducted via first rotary shaft to the second rotary shaft.
2. the milling head according to claim 1 for Digit Control Machine Tool, including：
Regularly it is sheathed on the master having on the drive plate in first rotary shaft, the end face of the drive plate with the main frame
Locating slot is additionally provided with the keyway of axial end key matching, the drive plate；And
Quasi- stop device, including：
It is fixedly arranged at the upper housing of the extended seat；
It is fixedly arranged at the first flexible member in the housing；
Be arranged at telescopic element that is in the housing and being associated with first flexible member, the telescopic element have towards
The main frame or the main frame ram direction are extended the first bar of the housing and extended towards the drive plate radial direction
Go out the second bar of the housing；
First flexible member has relaxed state and impaction state：
When first flexible member is in relaxed state, second bar is in the locating slot of the drive plate；
When first flexible member is in impaction state, the end face extruding described first of main frame or the main frame ram
Bar, to cause second bar to deviate from the locating slot of the drive plate.
3. the milling head according to claim 1 or 2 for Digit Control Machine Tool, wherein：
The first gear and the second gear are curved-tooth bevel gear wheel set；
The inner spline gear that matching is provided with external spline teeth, the endoporus of the first gear is provided with first rotary shaft；
It is symmetrically provided with second rotary shaft in flat key groove, the endoporus of the second gear and is symmetrically provided with flat key.
4. the milling head according to claim 1 or 2 for Digit Control Machine Tool, including:
The expansion sleeve in first rotary shaft is arranged at, the expansion sleeve includes：
Circumferential multiple screws；
The first tapered annulus of the section that is sheathed on the screw；
The second tapered annulus of the section that is sheathed on the screw, the narrowed end of second annulus and first annulus
Narrowed end be oppositely arranged；
It is arranged at the section of first annulus and the second annulus lateral surface the 3rd annulus triangular in shape, the 3rd circle
The protuberance of ring is filled between first annulus and second annulus；
It is arranged at the section of first annulus and the second annulus medial surface the 4th annulus triangular in shape, the 4th circle
The protuberance of ring is filled between first annulus and second annulus；
When the expansion sleeve is squeezed, the expansion end radial contraction of first annulus, the expansion end of second annulus
Radial dilatation.
5. the milling head according to claim 1 or 2 for Digit Control Machine Tool, including:
It is arranged at the graduated ring on the body of milling head periphery；
It is arranged at the vernier for being used to index for the body of milling head on the extended seat periphery.
6. the milling head according to claim 1 or 2 for Digit Control Machine Tool, including:
Plane where being close to the body of milling head end, is circumferentially formed at getting rid of in second rotary shaft below the plane
Tank；
It is close to plane where the body of milling head end, side is circumferentially formed at the fan in second rotary shaft on this plane
Palace sealing；
The labyrinth seal portion includes：
It is formed at the ring-shaped depression on axle journal in second rotary shaft；
The second flexible member in the ring-shaped depression is arranged at, the periphery and the body of milling head of second flexible member are tight
Contiguity is touched, and each surface of second flexible member and the ring-shaped depression is respectively provided with gap.
7. the milling head according to claim 6 for Digit Control Machine Tool, wherein:
Axially arranged there is reinforcement along its on the inner headed face of the extended seat.
8. Digit Control Machine Tool, including：
Such as milling head according to any one of claims 1 to 7；
At least two are fixedly installed on the alignment pin on the main frame of the Digit Control Machine Tool or main frame ram；
Be fixedly embedded in the connecting seat end face etc. quantity and alignment pin matching positioning sleeve, the positioning sleeve
Periphery and the connecting seat between have annular chamber；
It is opened in the glueing channel connected with the annular chamber and plastic emitting passage on the connecting seat.
9. Digit Control Machine Tool according to claim 8, including：
The position that the connecting seat is used to be embedded in the positioning sleeve is provided with venthole with ft connection, to cause the positioning
When pin and the positioning sleeve are combined, the gas inside the positioning sleeve can be discharged via the venthole.
10. Digit Control Machine Tool according to claim 8 or claim 9, including：
It is fixedly arranged at the pulling claw on the main frame of the Digit Control Machine Tool or main frame ram；
It is fixedly arranged at the blind rivet on the connecting seat；
The pulling claw has tension and relaxed state：
When the pulling claw is in tension, the blind rivet is clamped by the pulling claw；
When the pulling claw is in relaxed state, the blind rivet can be disengaged with the pulling claw.
11. Digit Control Machine Tool according to claim 8 or claim 9, including：
Be arranged at the connecting seat be used for and the Digit Control Machine Tool main frame or main frame ram fit end face on signal shaft；
It is arranged at the signal supervisory instrument of on the main frame of the Digit Control Machine Tool or main frame ram and described signal shaft matching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621342634.6U CN206392935U (en) | 2016-12-08 | 2016-12-08 | Milling head and Digit Control Machine Tool for Digit Control Machine Tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621342634.6U CN206392935U (en) | 2016-12-08 | 2016-12-08 | Milling head and Digit Control Machine Tool for Digit Control Machine Tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206392935U true CN206392935U (en) | 2017-08-11 |
Family
ID=59508539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621342634.6U Withdrawn - After Issue CN206392935U (en) | 2016-12-08 | 2016-12-08 | Milling head and Digit Control Machine Tool for Digit Control Machine Tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206392935U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106378481A (en) * | 2016-12-08 | 2017-02-08 | 沈机集团昆明机床股份有限公司 | Milling head applied to numerical control machine tool, and numerical control machine tool |
-
2016
- 2016-12-08 CN CN201621342634.6U patent/CN206392935U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106378481A (en) * | 2016-12-08 | 2017-02-08 | 沈机集团昆明机床股份有限公司 | Milling head applied to numerical control machine tool, and numerical control machine tool |
| CN106378481B (en) * | 2016-12-08 | 2018-06-01 | 沈机集团昆明机床股份有限公司 | For the milling head and numerically-controlled machine tool of numerically-controlled machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170811 Effective date of abandoning: 20180601 |
|
| AV01 | Patent right actively abandoned |