CN109014955A - Numerical control machine tool - Google Patents
Numerical control machine tool Download PDFInfo
- Publication number
- CN109014955A CN109014955A CN201811138592.8A CN201811138592A CN109014955A CN 109014955 A CN109014955 A CN 109014955A CN 201811138592 A CN201811138592 A CN 201811138592A CN 109014955 A CN109014955 A CN 109014955A
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- China
- Prior art keywords
- tailstock
- power head
- support
- plate
- hole
- Prior art date
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- 230000007246 mechanism Effects 0.000 claims description 67
- 239000003921 oil Substances 0.000 claims description 61
- 238000005096 rolling process Methods 0.000 claims description 58
- 238000000034 method Methods 0.000 claims description 28
- 230000008569 process Effects 0.000 claims description 24
- 230000003028 elevating effect Effects 0.000 claims description 15
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 13
- 238000009432 framing Methods 0.000 claims description 8
- 239000010727 cylinder oil Substances 0.000 claims description 7
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007514 turning Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 230000008278 dynamic mechanism Effects 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract description 12
- 238000003801 milling Methods 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 15
- 230000008859 change Effects 0.000 description 10
- 230000005484 gravity Effects 0.000 description 9
- 230000006870 function Effects 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 7
- 239000010720 hydraulic oil Substances 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 238000003672 processing method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
-
- 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
- B23Q39/00—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation
-
- 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
- B23Q39/00—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation
- B23Q2039/008—Machines of the lathe type
Abstract
The invention discloses a kind of numerical control machine tools, including bed piece, bed piece top right side is equipped with machine tool guideway, machine tool guideway includes the first linear type pallet guide set gradually, first inverted v-shaped tailstock guide, second linear type tailstock guide and the second inverted v-shaped pallet guide, first linear type pallet guide is located at bed piece front outermost, second inverted v-shaped pallet guide is located at bed piece rear portion outermost, lathe big palette straddles between the first linear type pallet guide and the second inverted v-shaped pallet guide, lathe big palette is equipped with the small supporting plate of lathe, machine tooling unit is equipped on rear side of the small supporting plate of lathe, hydraulic tailstock of lathe straddles between the first inverted v-shaped tailstock guide and the second linear type tailstock guide, on rear side of bed piece and it is located at below the second inverted v-shaped pallet guide equipped with Z-direction turn-screw.The present invention realizes a tractor serves several purposes of the processing such as workpiece vehicle, mill, milling, ensure that machining accuracy, improves processing efficiency.
Description
Technical field
The present invention relates to a kind of lathe, more particularly, to a kind of a variety of machining functions such as vehicle, milling, mill that can be achieved at the same time
Numerical control machine tool.
Background technique
In machining at home, the leads of screw such as helical screw (lead screw), worm gear are compared in particular by lathe
In big spiral work pieces process, usually using the processing technology and processing method for dividing the multiple reprocessabilty of knife, this processing side
There are following the shortcomings that can not overcoming for formula:
(1) cutter will not only bear positive pressure during processing helicla flute, but also need to bear very big side
Xiang Li, it is bad that turning cutting tool easily breaks breakdown, thus the depth of cut be usually quite it is small, it is necessary to multiple reprocessabilty could be completed.
(2) reduce the lateral force of cutter in process, workpiece can only slowly run, therefore processing efficiency is very
It is low.
(3) workpieces processing opportunity bed bracket plate is repetitious ceaselessly moves in the same size range, it is easy to make
At the subrange serious wear of lathe, to cause scrapping in advance for lathe.
(4) planing operation is similar to using the essence of engine lathe processing spiral workpiece, so, machining accuracy and finish
It is general all poor.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art described above, a kind of numerical control machine tool is provided, is passed through
Increase the mode of power head, changes manufacturing process to realize that processing method improves the raising with processing technology, can be mentioned for user
For a kind of multifunctional efficient rate numerical control machine tool, realizes that a machine tool can not only complete the processing of multiple working procedure, solve simultaneously
Certainly lathe process spiral workpiece breaking, this inefficient eldest child's problem also avoid being loaded repeatedly of workpiece, multiple centering, improve
Processing efficiency achievees the purpose that Enhancing efficiency and increasing production.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of numerical control machine tool, it is characterised in that: packet
Bed piece, lathe big palette and hydraulic tailstock of lathe are included, the left end of the bed piece is equipped with lathe headstock, institute
It states and is provided with numerical control of machine tools station on front side of bed piece, the top of the bed piece and the right side for being located at lathe headstock
It is provided with machine tool guideway, the machine tool guideway includes leading along the horizontally disposed first linear type supporting plate of bed piece length direction
Rail, the first inverted v-shaped tailstock guide, the second linear type tailstock guide and the second inverted v-shaped pallet guide, first linear type
Pallet guide is located at the front outermost of bed piece, and the second inverted v-shaped pallet guide is located at the rear portion of bed piece most
Outside, the first inverted v-shaped tailstock guide and the second linear type tailstock guide are respectively positioned on the first linear type pallet guide and
Between two inverted v-shaped pallet guides, the first inverted v-shaped tailstock guide and the first linear type pallet guide parallel and adjacent to,
The second linear type tailstock guide and the second inverted v-shaped pallet guide are parallel and adjacent to the lathe big palette is straddled
It can fall between one linear type pallet guide and the second inverted v-shaped pallet guide and along the first linear type pallet guide and second
The sliding of V-shaped pallet guide, the front and rear sides of the lathe big palette are horizontally disposed big palette rolling mechanism, the lathe
It is provided with the small supporting plate of lathe on big palette, lathe cutter saddle is provided on front side of the small supporting plate of lathe, the small supporting plate of lathe
Rear side is provided with machine tooling unit；The hydraulic tailstock of lathe is straddled in the first inverted v-shaped tailstock guide and the second linear type
It can slide between tailstock guide and along the first inverted v-shaped tailstock guide and the second linear type tailstock guide, the lathe liquid
Tailstock retaining mechanism and tailstock locking pressure plate are provided on pressure tailstock；The rear side of the bed piece and be located at the second inverted v-shaped
Z-direction turn-screw is provided with below pallet guide, the Z-direction turn-screw and the second inverted v-shaped pallet guide are parallel.
Above-mentioned numerical control machine tool, it is characterised in that: the machine tooling unit include power head support, power head,
Power head cutterhead and hydraulic drive motor, the power head, power head cutterhead and hydraulic drive motor are respectively positioned on power head support
Front side, the right side of power head is arranged in the hydraulic drive motor, and the left side of power head, institute is arranged in the power head cutterhead
Power head is stated to be mounted on power head support by connecting plate and height, the power head branch can be adjusted on power head support
The rear side of the small supporting plate of lathe is arranged in seat.
Above-mentioned numerical control machine tool, it is characterised in that: the power head support includes frame pedestal, rotation adjustment spiral shell
Bar, rotary screw support and rotation adjustment bar are female, and the frame pedestal is by the support foreboard, base-plate, support top that are connected
Plate, support back plate and support side plate composition, the quantity of the support side plate is two and two support side plates are located at left and right
Two sides are provided with mounting process aperture in the support back plate and support side plate, are provided with adjustment in the middle part of the support top plate
Screw rod mounting hole is arranged at intervals with four groups on the support foreboard and locks through-hole by the arc power head in the center of circle of rotation center,
It is dynamic that four groups of arc power heads locking through-hole is followed successively by first group of arc power head locking through-hole, second group of arc from left to right
Power head locks through-hole, third group arc power head locking through-hole and the 4th group of arc power head and locks through-hole, the support foreboard
Above and it is located between first group of arc power head locking through-hole and second group of arc power head locking through-hole, third group arc power
The swivel plate arc using rotation center as the center of circle is provided between head locking through-hole and the 4th group of arc power head locking through-hole
Sliding slot, on the support foreboard and be located at second group of arc power head locking through-hole and third group arc power head locking through-hole it
Between be provided with bar mother's cambered way through-hole using rotation center as the center of circle；The rotary screw support is mounted on the top of support top plate
Portion and be located at adjustment screw mounting hole at, it is described rotation adjustment screw lower end pass vertically through adjustment screw mounting hole and be located at institute
It states in framing holder body, the upper end of the rotation adjustment screw and rotary screw support are rotatablely connected, and the rotation adjusts bar mother set
Be located at rotation adjustment screw middle part and with rotation adjustment bar box thread cooperation, it is described rotation adjustment bar mother front side be provided with and
Rotate the first perpendicular threaded hole of adjustment screw.
Above-mentioned numerical control machine tool, it is characterised in that: the connecting plate is support rotary cushion board, the support rotating pad
The bottom of power head is arranged in plate, and four groups are arranged at intervals on the support rotary cushion board using rotation center as the center of circle and penetrating
Power head locking screw keyhole is provided with bar mother in the middle part of the support rotary cushion board and connects stepped hole, the support rotary cushion board
Rear side be provided with two groups using rotation center as first arc groove in the center of circle, be provided with swivel plate arc in first arc groove
Sliding block；The power head is sequentially passed through the power head fixing bolt of power head locking screw keyhole and arc power head locking through-hole
It is fixed with support rotary cushion board and power head support, it is sliding across bar mother arc that end is provided at the bar mother connection stepped hole
First bolt of road through-hole, first bolt and first threaded hole are threadedly engaged and can be logical along bar mother's cambered way
Hole sliding, the swivel plate arc shaped slider and swivel plate arc chute cooperate and can slide along swivel plate arc chute.
Above-mentioned numerical control machine tool, it is characterised in that: the power head support includes frame pedestal, lift adjustment spiral shell
Bar, lifting screw support and lift adjustment bar are female, and the frame pedestal is by the support foreboard, base-plate, support top that are connected
Plate, support back plate and support side plate composition, the quantity of the support side plate is two and two support side plates are located at left and right
Two sides are provided with mounting process aperture in the support back plate and support side plate, are provided with adjustment in the middle part of the support top plate
Screw rod mounting hole is arranged at intervals with two groups of strip lifter plates locking through-holes on the two sides vertical direction of the support foreboard,
It is sliding that it is vertically arranged with two lifter plates respectively on the support foreboard and close to the inside of two groups of strip lifter plate locking through-holes
Slot, is provided with lifter plate sliding slot spline in the lifter plate sliding slot, on the support foreboard and is located at two lifter plate sliding slot keys
Strip elevating lever mother's skidway hole is vertically arranged between item；The lifting screw support is mounted on top and the position of support top plate
At adjustment screw mounting hole, the lower end of the lift adjustment screw rod passes vertically through adjustment screw mounting hole and is located at the frame
In pedestal, the upper end of the lift adjustment screw rod and lifting screw support are rotatablely connected, and the lift adjustment bar mother set is located at liter
It drops the middle part of adjustment screw and cooperates with lift adjustment screw flight, the front side of the lift adjustment bar mother is provided with and rising-falling tone
The second perpendicular threaded hole of whole screw rod.
Above-mentioned numerical control machine tool, it is characterised in that: the connecting plate includes lift adjustment connecting plate and support lifting
Backing plate, support lifting backing plate are arranged in the bottom of power head, the lift adjustment connecting plate be located at support lifting backing plate and
Between support foreboard, it is arranged at intervals with from left to right on the lift adjustment connecting plate dynamic by the long arc shape in the center of circle of rotation center
Three group of first power head fixing screwed hole of power head fixed hole and arc-shaped laying, the two sides of the lift adjustment connecting plate are equal
It is provided with the arc shaped rotary rotating plate arc chute using rotation center as the center of circle, the two sides of the lift adjustment connecting plate are vertically arranged
There is lifter plate locking screw pit, the middle and lower part of the lift adjustment connecting plate is provided with elevating lever mother's stepped hole, the support liter
It drops the rear side of backing plate and the inboard, upright of lifter plate locking screw pit is provided with two lifter plate straight runners；
The left part of the support lifting backing plate is provided with solid by the second power head of the arc-shaped laying in the center of circle of rotation center
Determine threaded hole, the middle part and rear portion of the support lifting backing plate are provided with using rotation center as the power of the arc-shaped laying in the center of circle
Head fixed hole, the support go up and down and are provided on rear side of backing plate using rotation center as the second arc of the arc-shaped laying in the center of circle
Slot is provided with swivel plate arc spline in second arc groove；
The power head and support lifting backing plate are fixed by the first power head fixing bolt, the second power head fixing bolt
On lift adjustment connecting plate, the first power head fixing bolt is fixed after passing through power head fixed hole with the first power head
Threaded hole is threadedly coupled, and the second power head fixing bolt is consolidated after passing through long arc shape power head fixed hole with the second power head
Determine threaded hole threaded connection, the lift adjustment connecting plate is fixed by lift connection plate fixing bolt and the frame pedestal,
The lift connection plate fixing bolt is threadedly coupled after passing through strip lifter plate locking through-hole with lifter plate locking screw pit, institute
State be provided at elevating lever mother's stepped hole end pass through strip elevating lever mother's skidway hole the second bolt, second bolt with
Second threaded hole is threadedly engaged and can slide along strip elevating lever mother's skidway hole, the lifter plate sliding slot spline with
Lifter plate straight runner is slidably matched, and the swivel plate arc spline is slidably matched with arc shaped rotary rotating plate arc chute.
Above-mentioned numerical control machine tool, it is characterised in that: the power head spindle nose is band step taper spindle nose, the power
The cutterhead taper axis hole matched with step taper spindle nose is provided on head cutterhead, the power head cutterhead is discoid power
Head cutterhead or elongated rod-shaped power head cutterhead.
Above-mentioned numerical control machine tool, it is characterised in that: the big palette rolling mechanism includes rolling mechanism bracket, needle roller
Bearing, rolling mechanism pivot pin, disc spring, disc spring pad cap and rolling mechanism adjustment bolt, the disc spring pad cap are arranged in rolling mechanism
The outer end of bracket, the disc spring are made of opposite stack of multiple disc spring pieces, and the disc spring is set in the outer end of rolling mechanism bracket
On cylinder, the needle bearing and rolling mechanism pivot pin are arranged at the inner end of rolling mechanism bracket, and the needle bearing passes through
Rolling mechanism pivot pin is fixed with rolling mechanism bracket, and the rolling mechanism adjustment bolt is located at the outside of disc spring pad cap, the rolling
Motivation structure adjustment bolt is threadedly coupled with lathe big palette, and the needle bearing is in rolling contact with machine tool guideway.
Above-mentioned numerical control machine tool, it is characterised in that: the tailstock locking pressure plate is arranged under tailstock retaining mechanism
Portion, the tailstock retaining mechanism include T-type clamping screw, locking cylinder cylinder body, locking cylinder piston, fastening nut and limit lining
Set, the locking cylinder piston and limiting bush are arranged in locking cylinder cylinder body, and the limiting bush is located at locking cylinder
The top of the lower section of piston, the T-type clamping screw sequentially passes through in the bottom and locking cylinder piston of locking cylinder cylinder body
Portion, the fastening nut is arranged in the top of T-type clamping screw and connects locking cylinder piston with locking cylinder cylinder body, described
Locking cylinder oil pocket, the T-type lock are formed between locking cylinder cylinder body, locking cylinder piston, limiting bush and T-type clamping screw
The central upper portion of tight bolt is provided with the oil inlet oil return interface communicated with locking cylinder oil pocket；The locking cylinder cylinder body setting exists
In the mounting hole opened up on tailstock retaining mechanism, the lower part of the T-type clamping screw and tailstock locking pressure plate step cooperate.
Above-mentioned numerical control machine tool, it is characterised in that: the hydraulic tailstock of lathe includes tailstock backing plate, tailstock body and tail
Seat hydraulic cylinder, the tailstock body are mounted on the top of tailstock backing plate, and the tailstock hydraulic cylinder is mounted on the top of tailstock body,
One end close to the tailstock hydraulic cylinder of the lathe headstock is provided with tailstock centre, and the tailstock backing plate is straddled to fall first
Between V-shaped tailstock guide and the second linear type tailstock guide；
The tailstock hydraulic cylinder includes hydraulic cylinder cavity, tailstock axle sleeve, disassembly mandril, process seal set, tailstock oil
The cylinder piston, axle sleeve lock nut and tailstock cylinder cover, the tailstock axle sleeve is axially arranged in hydraulic cylinder cavity, described
Disassembly mandril is axially arranged on the right center of tailstock axle sleeve, and the tailstock axle sleeve is slidably matched with disassembly mandril, the work
Skill sealing shroud and tailstock oil cylinder piston are arranged at the outside of tailstock axle sleeve, and tailstock axle sleeve is arranged in the axle sleeve lock nut
Right end and tailstock axle sleeve and tailstock oil cylinder piston are fixed by axle sleeve lock nut, the process seal set, tailstock oil cylinder are living
Plug and axle sleeve lock nut are respectively positioned in hydraulic cylinder cavity；The tail portion of hydraulic cylinder cavity is arranged in the tailstock cylinder cover
And bolt is connected by cylinder cap and is fixedly connected with hydraulic cylinder cavity, the right end of the disassembly mandril is pierced by tailstock cylinder cover,
The right end of the disassembly mandril is provided with mandril lock nut and will dismantle mandril and tailstock oil cylinder end by mandril lock nut
Lid is fixed, and the hydraulic cylinder cavity is mounted on the top of tailstock body；The tailstock cylinder cover, hydraulic cylinder cavity, tailstock
It is formed between oil cylinder piston, axle sleeve lock nut, tailstock axle sleeve and disassembly mandril and holds out against acting oil pocket, the hydraulic cylinder chamber
It is formed between body, tailstock axle sleeve, process seal set and tailstock oil cylinder piston and retracts acting oil pocket, set on the tailstock cylinder cover
Be equipped with hold out against acting oil pocket communicate hold out against acting oil inlet, be provided with and retract acting oil pocket on the hydraulic cylinder cavity
What is communicated retracts acting oil inlet；The left lower of the tailstock axle sleeve is provided with axle sleeve locating slot, the hydraulic cylinder cavity
Left end lower part be provided with locating piece mounting hole, axle sleeve locating piece and axle sleeve locating piece energy are provided in the locating piece mounting hole
Enough opposite axle sleeve locating slots slide, and the tailstock centre is axially fixed to the Left-side center of tailstock axle sleeve.
Compared with the prior art, the present invention has the following advantages:
1, after the present invention is by increasing machine tooling unit on the small supporting plate of lathe, by engine lathe processing Corkscrews workpiece
When cutter low speed planing mode become the high-speed milling mode of rotary head of the present invention, not only high in machining efficiency, Er Qiejia
Work precision and the finish of workpiece are higher.
2, the present invention adds machine tooling unit on rear side of the small supporting plate of lathe, has no effect on the function of the original knife rest of lathe
Can, power head not only mountable cutterhead, but also the attachmentes such as grinding wheel can be installed, the attachment added by these, so that it may increase
The function of lathe realizes the mechanical work pieces process for completing working procedures, can be realized on same a machine tool vehicle, milling,
The machining of mill, the multi-process and multistation bored, expands the function of lathe, improves the performance of lathe.
3, the present invention machine tool guideway and Z-direction turn-screw are rearranged, be just arranged with center lathe it is exactly the opposite,
Effect be the machine tooling unit added be formed by together with lathe supporting plate physics center of gravity just with the guided way of machine tool track
Road and Z-direction turn-screw are all very close to the displacement deformation greatly reduced when the movement of Z-direction turn-screw is generated harmful
Torque and frictional resistance, so that the transmission of Z-direction turn-screw is more steady, efficient.
4, of the invention by way of adding horizontal positioned big palette rolling mechanism in the surrounding of lathe big palette, so that
Lathe big palette and machine tool guideway become present roll mode from original sliding in the motion mode of vertical contact surface, and logical
The rolling mechanism adjustment bolt for crossing adjustment surrounding, so as to change bolt to the pressure of rolling mechanism, that is, changes machine
Bed big palette and machine tool guideway can make lathe big palette on machine tool guideway in floating in the contact condition of vertical contact surface
Perfect condition, frictional force at this time is minimum, and movement is most flexible, it is possible to which the abrasion for reducing lathe postpones the use of lathe
Service life.
5, the present invention is placed on most front side using by the first linear type pallet guide of machine tool guideway, and by the second word of falling V
Shape pallet guide is placed on most rear side, while Z-direction turn-screw is lain in a horizontal plane in most rear side, overcomes universal machine tools and adds machine
The phenomenon that causing the center of gravity of big palette seriously to deviate after bed processing unit, and be horizontally mounted on lathe big palette and set roller press
Structure compensates for the deficiency in existing Machine Tool design structure so that the resistance of Z-direction turn-screw reduces at double, realizes a machine
Bed can be arranged knife rest simultaneously and machine tooling unit is processed and linked, it can be achieved that the processing such as workpiece vehicle, mill, milling a machine
It is multi-purpose, it ensure that machining accuracy, improve processing efficiency, saved resource.
6, the small supporting plate face of lathe of the invention uses the structure type of T-slot, and knife rest, machine tooling unit etc. can be made attached
The installation of part is very convenient, meanwhile, the output shaft head of power head uses taper form with the level, it may be convenient to install cutterhead
The cutter of form, also the blade of mountable rimmer knife rod type, realizes the flexible processing to axis external spiral and inner hole spiral workpiece.
Below by drawings and examples, the present invention is described in further detail.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1.
Fig. 2 is the structural schematic diagram after Fig. 1 rotates by a certain angle.
Fig. 3 is the A-A cross-sectional view of Fig. 1.
Fig. 4 is that Fig. 3 removes the structural schematic diagram after lathe cutter saddle, lathe headstock and machine tooling unit.
Fig. 5 is machine tool guideway in the embodiment of the present invention 1, lathe big palette, the small supporting plate of lathe and big palette rolling mechanism
Positional diagram.
Fig. 6 is the structural schematic diagram of machine tooling unit in the embodiment of the present invention 1.
Fig. 7 is the structural schematic diagram after Fig. 6 rotates by a certain angle.
Fig. 8 is the structural schematic diagram of power head support in the embodiment of the present invention 1.
Fig. 9 is the front view of support rotary cushion board in the embodiment of the present invention 1.
Figure 10 is the rearview of support rotary cushion board in the embodiment of the present invention 1.
Figure 11 be the embodiment of the present invention 1 in power head cutterhead use discoid power head cutterhead when with power head and hydraulic drive
The exploded view of dynamic motor.
Figure 12 be when power head cutterhead uses elongated rod-shaped power head cutterhead in the embodiment of the present invention 1 with power head and hydraulic
The exploded view of drive motor.
Figure 13 is the structural schematic diagram of big palette rolling mechanism in the embodiment of the present invention 1.
Figure 14 is the structural schematic diagram of tailstock retaining mechanism in the embodiment of the present invention 1.
Figure 15 is the structural schematic diagram of hydraulic tailstock of lathe in the embodiment of the present invention 1.
Figure 16 is the positional diagram of tailstock hydraulic cylinder, tailstock body and tailstock centre in the embodiment of the present invention 1.
Figure 17 is the structural schematic diagram of the embodiment of the present invention 2.
Figure 18 is the structural schematic diagram of machine tooling unit in the embodiment of the present invention 2.
Figure 19 is the structural schematic diagram after Figure 18 rotates by a certain angle.
Figure 20 is the structural schematic diagram of power head support in the embodiment of the present invention 2.
Figure 21 is the front view of lift adjustment connecting plate in the embodiment of the present invention 2.
Figure 22 is the rearview of lift adjustment connecting plate in the embodiment of the present invention 2.
Figure 23 is the front view that support goes up and down backing plate in the embodiment of the present invention 2.
Figure 24 is the rearview that support goes up and down backing plate in the embodiment of the present invention 2.
Description of symbols:
1-lathe headstock；2-bed pieces；3-big palette rolling mechanisms；
3-1-rolling mechanism bracket；3-2-needle bearing；3-3-rolling mechanism pivot pin；
3-4-disc spring；3-5-disc spring pad cap；4-lathe big palettes；
The small supporting plate of 5-lathes；5-1-T-slot；6-numerical control of machine tools stations；
7-machine tool guideways；8-tailstock locking pressure plates；9-Z-direction turn-screws；
10-tailstock retaining mechanisms；10-1-T-type clamping screw；10-2-locking cylinder cylinder body；
10-3- locking cylinder piston；10-4- fastening nut；10-5- limiting bush；
10-6- locking cylinder oil pocket；10-7- oil inlet oil return interface；11- hydraulic tailstock of lathe；
11-1- tailstock hydraulic cylinder；11-11- hydraulic cylinder cavity；11-12- tailstock axle sleeve；
11-13- dismantles mandril；11-14- process seal set；11-15- tailstock oil cylinder piston；
11-16- axle sleeve lock nut；11-17- tailstock cylinder cover；11-18- cylinder cap connects bolt；
11-19- mandril lock nut；11-110- holds out against acting oil pocket；
11-111- retracts acting oil pocket；11-112- holds out against acting oil inlet；
11-113-retracts acting oil inlet；11-114- axle sleeve locating slot；
11-115-locating piece mounting hole；11-116-axle sleeve locating piece；11-2-tailstock backing plate；
11-3-tailstock body；11-4-tailstock centre；The small supporting plate driving mechanism of 12-lathes；
13-hydraulic drive motors；14-power head supports；15-power heads；
16-power head cutterheads；The discoid power head cutterhead of 16-1-；
16-2-elongated rod-shaped power head cutterhead；17-Z-direction driving motors；
18-lathe cutter saddles；19-Z-direction lead screw support bases；20-rolling mechanism adjustment bolts；
21-the second inverted v-shaped pallet guide；22-rotation adjustment screws；
23-the first linear type pallet guide；24-the first inverted v-shaped tailstock guide；
25-the second linear type tailstock guide；26-Z-direction nut seats；27-support rotary cushion boards；
28-support foreboards；29-rotary screw supports；30-support side plates；
31-support back plates；32-mounting process apertures；33-base-plates；
34-power head fixing bolts；34-1-the first power head fixing bolt；
34-2-the second power head fixing bolt；35-rotation adjustment bars are female；
36-rotation centers；37-swivel plate arc chutes；38-bar mother's cambered way through-holes；
39- arc power head locks through-hole；40- power head locking screw keyhole；
41-bar mothers connect stepped hole；42-swivel plate arc shaped sliders；43-lift adjustment bars are female；
44-lifting screw supports；45-lift adjustment screw rods；46-lift adjustment connecting plates；
47-supports go up and down backing plate；48-lift connection plate fixing bolts；49-lifter plate sliding slot splines；
50-strip lifter plates lock through-hole；51-strip elevating lever mother's skidway holes；
52-elevating lever mother's stepped holes；53-arc shaped rotary rotating plate arc chutes；
54-the first power head fixing screwed hole；55-long arc shape power head fixed holes；
56-lifter plate straight runners；57-power head fixed holes；58- swivel plate arc spline；
59- band step taper spindle nose；60- cutterhead taper axis hole；
61- the second power head fixing screwed hole；62- lifter plate locking screw pit；
63- support top plate；64- adjustment screw mounting hole；The first bolt of 65-.
Specific embodiment
Embodiment 1
A kind of numerical control machine tool as shown in Figures 1 to 5, including bed piece 2, lathe big palette 4 and machine tool hydraulic
Tailstock 11, the left end of the bed piece 2 are equipped with lathe headstock 1, and the front side of the bed piece 2 is provided with lathe
CNC console 6, the top of the bed piece 2 and the right side for being located at lathe headstock 1 are provided with machine tool guideway 7, the machine
Bed guide rail 7 includes along the horizontally disposed first linear type pallet guide 23 of 2 length direction of bed piece, the first inverted v-shaped tailstock
Guide rail 24, the second linear type tailstock guide 25 and the second inverted v-shaped pallet guide 21, described first linear type pallet guide 23
In the front outermost of bed piece 2, the second inverted v-shaped pallet guide 21 is located at the rear portion outermost of bed piece 2, institute
It states the first inverted v-shaped tailstock guide 24 and the second linear type tailstock guide 25 is respectively positioned on the first linear type pallet guide 23 and second
Between inverted v-shaped pallet guide 21, the first inverted v-shaped tailstock guide 24 is parallel with the first linear type pallet guide 23 and phase
Neighbour, the second linear type tailstock guide 25 and the second inverted v-shaped pallet guide 21 are parallel and adjacent to the lathe big palette 4
It straddles between the first linear type pallet guide 23 and the second inverted v-shaped pallet guide 21 and can be along the first linear type supporting plate
Guide rail 23 and the sliding of the second inverted v-shaped pallet guide 21, the front and rear sides of the lathe big palette 4 are horizontally disposed big palette
Rolling mechanism 3 is provided with the small supporting plate 5 of lathe on the lathe big palette 4, and the front side of the small supporting plate 5 of lathe is provided with lathe
The rear side of knife rest 18, the small supporting plate 5 of lathe is provided with machine tooling unit；The hydraulic tailstock of lathe 11 is straddled to fall first
And it can be along the first inverted v-shaped tailstock guide 24 and between V-shaped tailstock guide 24 and the second linear type tailstock guide 25
Two linear type tailstock guides 25 slide, and are provided with tailstock retaining mechanism 10 and tailstock locking pressure plate on the hydraulic tailstock of lathe 11
8；The rear side of the bed piece 2 and be located at the second inverted v-shaped pallet guide 21 lower section be provided with Z-direction turn-screw 9, it is described
Z-direction turn-screw 9 and the second inverted v-shaped pallet guide 21 are parallel.
The numerical control machine tool of the present embodiment is unlike existing general lathe: the present embodiment is by machine tool guideway 7
The first linear type pallet guide 23 be placed in the front outermost of bed piece 2, and maximum second word of falling V of guiding role
Shape pallet guide 21 is placed in the rear portion outermost of bed piece 2, meanwhile, Z-direction turn-screw 9 is also disposed in bed piece 2
Rear portion outermost, and it is located at the lower section adjacent of the second inverted v-shaped pallet guide 21, Z-direction turn-screw 9 and the second inverted v-shaped
Pallet guide 21 is arranged in parallel, the second inverted v-shaped of the positional distance pallet guide 21 and lathe big palette 4 of Z-direction turn-screw 9
Physics center of gravity it is nearest, can smoothly be driven operation for Z-direction turn-screw 9 and provide guarantee.
The reasons why this structure arrangement and the Guide Rail Design of center lathe are exactly the opposite, are arranged so is: in order to change vehicle
The processing method of bed improves processing technology, increases machine tooling unit on the small supporting plate 5 of lathe, it is big also to increase lathe
The weight bearing of supporting plate 4；It is compared with center lathe, the center of gravity of supporting plate can also move backward, so, the present invention is close to supporting plate center of gravity
The second inverted v-shaped pallet guide 21 is arranged in position, its advantage is that the guiding performance of the second inverted v-shaped pallet guide 21 is best.
In the present embodiment, Z-direction turn-screw 9 is horizontally set on the rear of bed piece 2, is located at the second inverted v-shaped supporting plate
Below guide rail 21, this setup be also it is different with center lathe, the Z-direction turn-screw 9 of center lathe is placed on lathe
The front position of lathe bed 2.The advantages of being arranged in this way is: physics center of gravity of the Z-direction turn-screw 9 apart from lathe big palette 4 and
The second inverted v-shaped pallet guide 21 with guiding role is nearest, so, Z-direction turn-screw 9 of the invention is most laborsaving, efficiency
Highest, moreover, because Z-direction turn-screw 9 and the second inverted v-shaped pallet guide 21 with guiding role are nearest, so Z-direction passes
When dynamic lead screw 9 drives lathe big palette 4 mobile between the vertical side of lathe big palette 4 and the vertical side of machine tool guideway 7 because
The displacement that fit clearance generates is formed by resistance minimum, the vertical side of lathe big palette 4 and the vertical side of machine tool guideway 7
Between to scratch abrasion also minimum.
As shown in Figure 6 and Figure 7, the machine tooling unit includes power head support 14, power head 15, power head cutterhead 16
With hydraulic drive motor 13, the power head 15, power head cutterhead 16 and hydraulic drive motor 13 are respectively positioned on power head support 14
Front side, the hydraulic drive motor 13 is arranged in the right side of power head 15, and the power head cutterhead 16 is arranged in power head 15
Left side, the power head 15 is mounted on power head support 14 by connecting plate and can adjust height on power head support 14
The rear side of the small supporting plate 5 of lathe is arranged in degree, the power head support 14.
As shown in Figure 6 to 8, the power head support 14 includes frame pedestal, rotation adjustment screw 22, rotary screw branch
Seat 29 and rotation adjustment bar mother 35, the frame pedestal by be connected support foreboard 28, base-plate 33, support top plate 63,
Support back plate 31 and support side plate 30 form, and the quantity of the support side plate 30 is two and two support side plates 30 are located at
The left and right sides, is provided with mounting process aperture 32 in the support back plate 31 and support side plate 30, in the support top plate 63
Portion is provided with adjustment screw mounting hole 64, and four groups of arcs with rotation center 36 for the center of circle are arranged at intervals on the support foreboard 28
Shape power head locks through-hole 39, and four groups of arc power heads locking through-hole 39 is followed successively by first group of arc power head from left to right
Lock through-hole, second group of arc power head locking through-hole, third group arc power head locking through-hole and the 4th group of arc power head
Through-hole is locked, on the support foreboard 28 and is located at first group of arc power head locking through-hole and second group of arc power head locking
It is provided between through-hole, between third group arc power head locking through-hole and the 4th group of arc power head locking through-hole to rotate
Center 36 is the swivel plate arc chute 37 in the center of circle, on the support foreboard 28 and is located at second group of arc power head and locks through-hole
Bar mother's cambered way through-hole 38 with rotation center 36 for the center of circle is provided between third group arc power head locking through-hole；Institute
It states rotary screw support 29 to be mounted on the top of support top plate 63 and be located at adjustment screw mounting hole 64, the rotation adjusts spiral shell
The lower end of bar 22 passes vertically through adjustment screw mounting hole 64 and is located in the framing holder body, described to rotate the upper of adjustment screw 22
End with rotary screw support 29 be rotatablely connected, it is described rotation adjustment bar mother 35 be set in rotation adjustment screw 22 middle part and with rotation
The whole bar mother 35 of modulation is threadedly engaged, and the front side of the rotation adjustment bar mother 35 is provided with the perpendicular with rotation adjustment screw 22
One threaded hole.
As shown in Figure 9 and Figure 10, the connecting plate is support rotary cushion board 27, and the setting of support rotary cushion board 27 is dynamic
The bottom of power head 15 is arranged at intervals with four groups on the support rotary cushion board 27 and is the center of circle and penetrating power with rotation center 36
Head locking screw keyhole 40, the middle part of the support rotary cushion board 27 is provided with bar mother and connects stepped hole 41, the support rotating pad
The rear side of plate 27 is provided with two groups of first arc grooves with rotation center 36 for the center of circle, is provided with rotation in first arc groove
Plate arc shaped slider 42；The power head 15 is sequentially passed through power head locking screw keyhole 40 and arc power head locks through-hole 39
Power head fixing bolt 34 and support rotary cushion board 27 and power head support 14 are fixed, and the bar mother connects to be set at stepped hole 41
It is equipped with the first bolt 65 that end passes through bar mother cambered way through-hole 38, first bolt 65 and the first threaded hole screw thread
Cooperate and can be slided along bar mother's cambered way through-hole 38, the swivel plate arc shaped slider 42 is matched with swivel plate arc chute 37
It closes and can be slided along swivel plate arc chute 37.
In the present embodiment, power head 15 passes through power head fixing bolt 34 for power head bottom plate and support rotary cushion board 27
Front side connection, the rear side of support rotary cushion board 27 are provided with swivel plate arc shaped slider 42, and swivel plate arc shaped slider 42 and setting exist
Swivel plate arc chute 37 on the support foreboard 28 of power head support 14 matches, under the action of rotating adjustment screw 22,
Be the center of circle along swivel plate arc chute 37 with cutter head center (i.e. rotation center 36) it is that track does swing rotary, realizes cutterhead rotation
The change of plane adapts to the processing of different workpieces difference helical angle；After adjustment is completed, it will be moved by power head fixing bolt 34
Power head 15 is locked on the small supporting plate 5 of lathe, and the accurate processing to workpiece is realized under the control of numerical control of machine tools station 6.
The center cutter height of the present embodiment is fixed, and the compact structure of power head support 14 is simple, is adapted to not have to change center cutter
The processing of the high-volume workpiece of height.
In the present embodiment, 15 spindle nose of power head is band step taper spindle nose 59, is arranged on the power head cutterhead 16
There is the cutterhead taper axis hole 60 matched with step taper spindle nose 59, the power head cutterhead 16 is discoid power head cutterhead
16-1, as shown in figure 11；Or the power head cutterhead 16 is elongated rod-shaped power head cutterhead 16-2, as shown in figure 12.
The hydraulic drive motor 13 of machine tooling unit also could alternatively be variable-frequency motor realize driving, can also be by liquid
Pressure motor or variable-frequency motor are displaced in the support back plate 31 of power head support 14, are changed to belt pulley and are connect with power head 15, into
In the ranks connect driving.The present embodiment can be realized with discoid power head cutterhead 16-1 to workpiece by the structure type of change cutterhead
External screw-thread carry out outer Milling Process, elongated rod-shaped power head cutterhead 16-2 can also be changed to, to the interior spiral shell of workpiece diameter
Line carries out interior Milling Process, that is to say, that the same power head not only may be used as outer whirlwind mill converted products, but also may be used as
Internal turbo mill converted products realizes that one-machine-multi-function, a tractor serves several purposes reduce the equipment investment of user, achieve the purpose that saving.
As shown in figure 13, the big palette rolling mechanism 3 includes rolling mechanism bracket 3-1, needle bearing 3-2, roller press
Structure pivot pin 3-3, disc spring 3-4, disc spring pad cap 3-5 and rolling mechanism adjustment bolt 20, the disc spring pad cap 3-5 are arranged in roller press
The outer end of structure bracket 3-1, the disc spring 3-4 are made of opposite stack of multiple disc spring pieces, and the disc spring 3-4 is set in rolling mechanism
On the outer end cylinder of bracket 3-1, the needle bearing 3-2 and rolling mechanism pivot pin 3-3 are arranged at rolling mechanism bracket 3-1's
Inner end, the needle bearing 3-2 are fixed by rolling mechanism pivot pin 3-3 and rolling mechanism bracket 3-1, the rolling mechanism adjustment
Bolt 20 is located at the outside of disc spring pad cap 3-5, and the rolling mechanism adjustment bolt 20 is threadedly coupled with lathe big palette 4, described
Needle bearing 3-2 is in rolling contact with machine tool guideway 7.By adjusting the tightness of rolling mechanism adjustment bolt 20, so that it may change
Lathe big palette 4, in the contact situation of vertical direction, floats with machine tool guideway 7 so that lathe big palette 4 is in machine tool guideway 7
Mated condition.
The right angle on the front and rear sides side of lathe big palette 4, horizontally disposed respectively there are two big palette rolling mechanisms 3, greatly
Supporting plate rolling mechanism 3 makes the vertical side of lathe big palette 4 and the vertical side of machine tool guideway 7 under the action of internal disc spring 3-4
Always it is in quick condition between face, and the vertical side of the vertical side of lathe big palette 4 and machine tool guideway 7 is by original straight
It connects sliding contact and becomes being in rolling contact between rolling mechanism inner shaft bearing surface and machine tool guideway vertical plane, when lathe big palette
4 under the drive of Z-direction turn-screw 9 when needing mobile, and frictional force will become very small, and it is horizontal to improve lathe big palette 4
Abrasion is reduced to the flexibility of movement so as to improve machining accuracy.
As shown in figure 14, the lower part of tailstock retaining mechanism 10 is arranged in the tailstock locking pressure plate 8, and the tailstock locks machine
Structure 10 includes T-type clamping screw 10-1, locking cylinder cylinder body 10-2, locking cylinder piston 10-3, fastening nut 10-4 and limit
Bushing 10-5, the locking cylinder piston 10-3 and limiting bush 10-5 are arranged in locking cylinder cylinder body 10-2, the limit
Position bushing 10-5 is located at the lower section of locking cylinder piston 10-3, and the top of the T-type clamping screw 10-1 sequentially passes through locking oil
The bottom of cylinder cylinder body 10-2 and the middle part of locking cylinder piston 10-3, the fastening nut 10-4 are arranged in T-type clamping screw 10-
1 top and locking cylinder piston 10-3 is connected with locking cylinder cylinder body 10-2, the locking cylinder cylinder body 10-2, locking oil
Locking cylinder oil pocket 10-6, the T-type locking are formed between the cylinder piston 10-3, limiting bush 10-5 and T-type clamping screw 10-1
The central upper portion of bolt 10-1 is provided with the oil inlet oil return interface 10-7 communicated with locking cylinder oil pocket 10-6；The locking cylinder
Cylinder body 10-2 is arranged in the mounting hole opened up on tailstock retaining mechanism 10, the lower part of the T-type clamping screw 10-1 and tailstock
The cooperation of 8 step of locking pressure plate.
As shown in figure 15, the hydraulic tailstock of lathe 11 includes tailstock backing plate 11-2, tailstock body 11-3 and tailstock hydraulic oil
Cylinder 11-1, the tailstock body 11-3 are mounted on the top of tailstock backing plate 11-2, and the tailstock hydraulic cylinder 11-1 is mounted on tailstock
The top of body 11-3, one end close to the tailstock hydraulic cylinder 11-1 of the lathe headstock 1 are provided with tailstock centre 11-4, institute
Tailstock backing plate 11-2 is stated to straddle between the first inverted v-shaped tailstock guide 24 and the second linear type tailstock guide 25.
As shown in figure 16, the tailstock hydraulic cylinder 11-1 includes hydraulic cylinder cavity 11-11, tailstock axle sleeve 11-12, tears open
Unload mandril 11-13, process seal set 11-14, tailstock oil cylinder piston 11-15, axle sleeve lock nut 11-16 and tailstock cylinder cover
11-17, the tailstock axle sleeve 11-12 are axially arranged in hydraulic cylinder cavity 11-11, and the disassembly mandril 11-13 is along axis
To the right center that tailstock axle sleeve 11-12 is arranged in, the tailstock axle sleeve 11-12 is slidably matched with disassembly mandril 11-13, described
Process seal set 11-14 and tailstock oil cylinder piston 11-15 is arranged at the outside of tailstock axle sleeve 11-12, the axle sleeve locking screw
Cap 11-16 is arranged in the right end of tailstock axle sleeve 11-12 and passes through axle sleeve lock nut 11-16 for tailstock axle sleeve 11-12 and tailstock
Oil cylinder piston 11-15 is fixed, and the process seal set 11-14, tailstock oil cylinder piston 11-15 and axle sleeve lock nut 11-16 are equal
In hydraulic cylinder cavity 11-11；The tailstock cylinder cover 11-17 be arranged in the tail portion of hydraulic cylinder cavity 11-11 and
It connects bolt 11-18 by cylinder cap to be fixedly connected with hydraulic cylinder cavity 11-11, the right end of the disassembly mandril 11-13 is pierced by
Tailstock cylinder cover 11-17, the right end of the disassembly mandril 11-13 are provided with mandril lock nut 11-19 and pass through Ejector pin lock
Tight nut 11-19 is fixed mandril 11-13 and tailstock cylinder cover 11-17 is dismantled, and the hydraulic cylinder cavity 11-11 is mounted on
The top of tailstock body 11-3；The tailstock cylinder cover 11-17, hydraulic cylinder cavity 11-11, tailstock oil cylinder piston 11-15, axis
It is formed between cover locking nut 11-16, tailstock axle sleeve 11-12 and disassembly mandril 11-13 and holds out against acting oil pocket 11-110, the liquid
Compressing cylinder cavity 11-11, tailstock axle sleeve 11-12, process seal, which cover to be formed between 11-14 and tailstock oil cylinder piston 11-15, to be retracted
Do work oil pocket 11-111, is provided on the tailstock cylinder cover 11-17 and does with holding out against of holding out against that acting oil pocket 11-110 communicates
It is provided on function oil inlet 11-112, the hydraulic cylinder cavity 11-11 and retracts retracting of communicating of acting oil pocket 11-111 and do
Function oil inlet 11-113；The left lower of the tailstock axle sleeve 11-12 is provided with axle sleeve locating slot 11-114, the hydraulic cylinder
The left end lower part of cavity 11-11 is provided with locating piece mounting hole 11-115, is provided with axis in the locating piece mounting hole 11-115
It covers locating piece 11-116 and axle sleeve locating piece 11-116 can be slided with respect to axle sleeve locating slot 11-114, the tailstock centre 11-4
It is axially fixed to the Left-side center of tailstock axle sleeve 11-12.
Tailstock axle sleeve 11-12, tailstock oil cylinder piston 11-15 and axle sleeve lock nut 11-16, can under the action of hydraulic oil
To move to left or move to right in the horizontal direction in hydraulic cylinder cavity 11-11；Axle sleeve locating piece 11-116 can be in axle sleeve locating slot
Sliding in 11-114, and tailstock axle sleeve 11-12 is positioned in circumferencial direction, prevent tailstock axle sleeve 11-12 radial rotary, tail spindle
Mohs tapered bore is provided in conjunction with tailstock centre 11-4 on the left of set 11-12.When hydraulic oil from hold out against acting oil inlet 11-112
When oil inlet, hydraulic oil pushes tailstock oil cylinder piston 11-15, axle sleeve lock nut 11-16 and tailstock axle sleeve 11-12 to be moved to the left,
It drives tailstock centre 11-4 to be moved to the left simultaneously, realizes workpiece pre-tightening；When hydraulic oil is from acting oil inlet 11-113 is retracted to moving back
When returning acting oil pocket 11-111 oil inlet, hydraulic oil pushes tailstock oil cylinder piston 11-15, axle sleeve lock nut 11-16 and tail spindle
Set 11-12 is moved to the right, and tailstock centre 11-4 is driven to move right, and is realized and is unclamped；Because disassembly mandril 11-13 is fixed and length
Constant, when continuing to return to bottom, disassembly mandril 11-13 just opens tailstock centre 11-4, other replaceable top or tails
Seat drill bit carries out other processing.
As shown in Figure 1, Figure 2 and Figure 4, the top of the small supporting plate 5 of the lathe is provided with T-slot 5-1 along its length, described
It is provided on lathe big palette 4 and is able to drive the small supporting plate driving of lathe that the small supporting plate 5 of lathe slides back and forth along lathe big palette 4
Mechanism 12；The both ends of the Z-direction turn-screw 9 are respectively arranged with Z-direction driving motor 17 and Z-direction lead screw support base 19, the Z-direction
The output end of driving motor 17 is connect with one end of Z-direction turn-screw 9, the other end and Z-direction lead screw of the Z-direction turn-screw 9
Support base 19 is rotatablely connected, and is provided with the Z-direction nut seat 26 being threadedly engaged with it, the Z-direction silk on the Z-direction turn-screw 9
Base 26 is fixed with 4 phase of lathe big palette, and the Z-direction driving motor 17 and Z-direction lead screw support base 19 are installed in bed piece 2
On.
The small supporting plate driving mechanism 12 of lathe is screw nut driven structure, i.e., identical as Z-direction turn-screw drive mechanism,
Under the drive of Z-direction turn-screw 9, lathe that lathe big palette 4 drives the small supporting plate 5 of lathe and is arranged on the small supporting plate 5 of lathe
The highly-efficient processing to workpiece is realized in the side-to-side movement of knife rest 18 and machine tooling unit.The small supporting plate 5 of lathe big palette 4, lathe, machine
The various movements of bed knife rest 18 and machine tooling unit are realized by effective control of numerical control of machine tools station 6.
The working principle of the present embodiment are as follows: the present embodiment is added after machine tooling unit, and the processing function of lathe is increased
Can, the turning of general workpiece is still completed by the lathe tool of the original knife rest of lathe, by the impossible such as large pitch spiral shell of lathe tool
The workpiece such as line are processed by power head 15 by high-speed rotating milling mode, and (someone is defined as whirling mill) makes special workpiece also can
Completed on lathe, due to being loaded, roughing and last Milling Process can once complete, so not only high-efficient, but also
Without shifting card engaging workpiece repeatedly, so machining accuracy can also improve, it is time saving and energy saving.
The present invention causes 4 physics center of gravity of lathe big palette to move back to solve the problems, such as to add after machine tooling unit, will
The guide rail modes of emplacement of center lathe changes, and the first linear type pallet guide 23 is preposition, and by the second inverted v-shaped pallet guide
21 postpositions are allowed to close with the physics center of gravity of lathe big palette 4, and by the way that Z-direction turn-screw 9 is also carried out setting for postposition
Meter eliminates unfavorable factor when Z-direction turn-screw 9 moves to greatest extent, so that the operation of lathe big palette 4 is more stable,
Abrasion is minimum.
The present invention is added by big palette rolling mechanism 3, transports the sliding between the vertical contact surface of lathe big palette 4
The dynamic rolling movement become between 7 vertical plane of rolling mechanism bearing surface and machine tool guideway, therefore frictional force is reduced；Together
When, the rolling mechanism adjustment bolt 20 of adjustable 4 surrounding of lathe big palette changes bearing surface and lathe upright guide rail face
Situation is contacted, can not only accomplish that lathe big palette 4 is in the optimum state floated, but also can be by adjusting eliminating machine
Mismachining tolerance in bed manufacturing process, so that it is the flexible operation of lathe big palette 4, steady, realize the raising of machining accuracy.
Embodiment 2
As shown in Figure 17 to Figure 20, the present embodiment unlike the first embodiment: the power head support 14 include framing holder
Body, lift adjustment screw rod 45, lifting screw support 44 and lift adjustment bar mother 43, the frame pedestal is by before the support that is connected
Plate 28, base-plate 33, support top plate 63, support back plate 31 and support side plate 30 form, and the quantity of the support side plate 30 is
Two and two support side plates 30 are located at the left and right sides, are provided with erector on the support back plate 31 and support side plate 30
Skill aperture 32, the middle part of the support top plate 63 are provided with adjustment screw mounting hole 64, and the two sides of the support foreboard 28 are vertical
Two groups of strip lifter plates locking through-holes 50 are arranged at intervals on direction, on the support foreboard 28 and close to two groups of strips
The inside of lifter plate locking through-hole 50 is vertically arranged with two lifter plate sliding slots respectively, is provided with lifting in the lifter plate sliding slot
Plate sliding slot spline 49 is vertically arranged with strip liter on the support foreboard 28 and between two lifter plate sliding slot splines 49
Bar mother skidway hole 51 drops；The lifting screw support 44 is mounted on the top of support top plate 63 and is located at adjustment screw mounting hole 64
Place, the lower end of the lift adjustment screw rod 45 passes vertically through adjustment screw mounting hole 64 and is located in the framing holder body, described
The upper end of lift adjustment screw rod 45 and lifting screw support 44 are rotatablely connected, and the lift adjustment bar mother 43 is set in lift adjustment
It the middle part of screw rod 45 and is threadedly engaged with lift adjustment screw rod 45, the front side of the lift adjustment bar mother 43 is provided with and rising-falling tone
The second perpendicular threaded hole of whole screw rod 45.
As shown in figure 21 and figure, the connecting plate includes lift adjustment connecting plate 46 and support goes up and down backing plate 47, described
The bottom of power head 15 is arranged in support lifting backing plate 47, and the lift adjustment connecting plate 46 is located at support lifting backing plate 47 and branch
Between seat foreboard 28, the long arc with rotation center 36 for the center of circle is arranged at intervals on the lift adjustment connecting plate 46 from left to right
Three group of first power head fixing screwed hole 54 of shape power head fixed hole 55 and arc-shaped laying, the lift adjustment connecting plate
46 two sides are provided with the arc shaped rotary rotating plate arc chute 53 with rotation center 36 for the center of circle, the lift adjustment connecting plate 46
Two sides be vertically arranged with lifter plate locking screw pit 62, the middle and lower part of the lift adjustment connecting plate 46 is provided with elevating lever
Female stepped hole 52, the rear side of the support lifting backing plate 47 and the inboard, upright for being located at lifter plate locking screw pit 62 are provided with two
Lifter plate straight runner 56.
As shown in figure 23 and figure 24, it is the center of circle in arc that the left part of the support lifting backing plate 47, which is provided with rotation center 36,
The second power head fixing screwed hole 61 that shape is laid, the middle part and rear portion of the support lifting backing plate 47 are provided in rotate
The heart 36 is the power head fixed hole 57 of the arc-shaped laying in the center of circle, and the rear side of the support lifting backing plate 47 is provided in rotate
The heart 36 is the second arc groove of the arc-shaped laying in the center of circle, is provided with swivel plate arc spline 58 in second arc groove；
The power head 15 and support lifting backing plate 47 are fixed by the first power head fixing bolt 34-1, the second power head
Bolt 34-2 is fixed on lift adjustment connecting plate 46, and the first power head fixing bolt 34-1 passes through power head fixed hole
It is threadedly coupled after 57 with the first power head fixing screwed hole 54, the second power head fixing bolt 34-2 passes through long arc shape power
It is threadedly coupled after head fixed hole 55 with the second power head fixing screwed hole 61, the lift adjustment connecting plate 46 is connected by lifting
Fishplate bar fixing bolt 48 is fixed with the frame pedestal, and the lift connection plate fixing bolt 48 is locked across strip lifter plate
It is threadedly coupled after through-hole 50 with lifter plate locking screw pit 62, end is provided at the elevating lever mother stepped hole 52 across strip
Second bolt of shape elevating lever mother skidway hole 51, second bolt and second threaded hole are threadedly engaged and can be along length
Bar shaped elevating lever mother skidway hole 51 slides, and the lifter plate sliding slot spline 49 is slidably matched with lifter plate straight runner 56, the rotation
Rotating plate arc spline 58 is slidably matched with arc shaped rotary rotating plate arc chute 53.
In the present embodiment, lift connection plate fixing bolt 48 relies on branch after fixing power head 15 and support lifting backing plate 47
The arc shaped rotary rotating plate arc chute of 46 front side of swivel plate arc spline 58 and lift adjustment connecting plate of seat lifting 47 behind of backing plate
53 cooperations, are the center of circle with rotation center 36, and arcuately the arc-shaped side of swivel plate arc chute 53 does circular arc rotary oscillation, realize knife
Has the change of machining angle；Meanwhile the lifter plate straight runner 56 of 46 rear side of lift adjustment connecting plate is set and is arranged in support
Lifter plate sliding slot spline 49 on foreboard 28 cooperates, under the action of lift adjustment screw rod 45, along lifter plate sliding slot spline 49
Edge moves up and down, and realizes the change of 15 height of power head, adapts to the work pieces process that different height requires.
In the present embodiment, the structure of rest part, connection relationship and working principle are same as Example 1.
In conclusion being compared with center lathe, it is characteristic of the invention that the guide rail of center lathe is rearranged, and usually
Guide rail setting it is opposite, it may be assumed that the first linear type pallet guide 23 is placed on the ragged edge immediately ahead of lathe, the second inverted v-shaped
Pallet guide 21 is placed on lathe most rear side, and the first inverted v-shaped tailstock guide 24 is abutted the first linear type pallet guide 23, will
Second linear type tailstock guide 25 is placed against with the second inverted v-shaped pallet guide 21, meanwhile, Z-direction turn-screw 9 is placed on
The rear side of bed piece, positioned at the lower position of the second inverted v-shaped pallet guide 21, with lathe big palette 4, machine tooling unit
Physics position of centre of gravity essentially coincide.
The features of the present invention also characterized in that being designed in cutterhead by adding machine tooling unit, and by machine tooling unit
The heart is the structure type of rotation center and height fixation and adjustable frame mode, is adapted to different workpieces and different model
Lathe use.
Center lathe is realized for Corkscrews workpiece, the especially change of the processing method of large pitch spiral workpiece, is made
It obtains improved lathe and power head cutterhead is become by the low speed planing operation of lathe tool for the mode of Corkscrews work pieces process
High-speed rotating Milling Process mode；Therefore, processing resistance becomes very little, also becomes fairly simple, to expand lathe
Working ability improves machining accuracy.
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any way, it is all according to the present invention
Technical spirit any simple modification, change and equivalent structure transformation to the above embodiments, still fall within skill of the present invention
In the protection scope of art scheme.
Claims (10)
1. a kind of numerical control machine tool, it is characterised in that: including bed piece (2), lathe big palette (4) and hydraulic tailstock of lathe
(11), the left end of the bed piece (2) is equipped with lathe headstock (1), is provided on front side of the bed piece (2)
Numerical control of machine tools station (6), the top of the bed piece (2) and is located on the right side of lathe headstock (1) and is provided with lathe and leads
Rail (7), the machine tool guideway (7) include along the horizontally disposed first linear type pallet guide of bed piece (2) length direction
(23), the first inverted v-shaped tailstock guide (24), the second linear type tailstock guide (25) and the second inverted v-shaped pallet guide (21),
The first linear type pallet guide (23) is located at the front outermost of bed piece (2), the second inverted v-shaped pallet guide
(21) it is located at the rear portion outermost of bed piece (2), the first inverted v-shaped tailstock guide (24) and the second linear type tailstock are led
Rail (25) is respectively positioned between the first linear type pallet guide (23) and the second inverted v-shaped pallet guide (21), first word of falling V
Shape tailstock guide (24) and the first linear type pallet guide (23) parallel and adjacent to, the second linear type tailstock guide (25) with
Second inverted v-shaped pallet guide (21) is parallel and adjacent to the lathe big palette (4) straddles in the first linear type pallet guide
(23) between the second inverted v-shaped pallet guide (21) and can be along the first linear type pallet guide (23) and the second word of falling V
Shape pallet guide (21) sliding, the front and rear sides of the lathe big palette (4) are horizontally disposed big palette rolling mechanism (3),
It is provided with the small supporting plate of lathe (5) on the lathe big palette (4), is provided with lathe cutter saddle on front side of the small supporting plate of lathe (5)
(18), machine tooling unit is provided on rear side of the small supporting plate of the lathe (5)；The hydraulic tailstock of lathe (11) straddles first
And it can be along the first inverted v-shaped tailstock guide between inverted v-shaped tailstock guide (24) and the second linear type tailstock guide (25)
(24) it is slided with the second linear type tailstock guide (25), is provided with tailstock retaining mechanism (10) on the hydraulic tailstock of lathe (11)
With tailstock locking pressure plate (8)；The rear side of the bed piece (2) and be located at the second inverted v-shaped pallet guide (21) below set
It is equipped with Z-direction turn-screw (9), the Z-direction turn-screw (9) and the second inverted v-shaped pallet guide (21) are parallel.
2. numerical control machine tool described in accordance with the claim 1, it is characterised in that: the machine tooling unit includes power head branch
Seat (14), power head (15), power head cutterhead (16) and hydraulic drive motor (13), the power head (15), power head cutterhead
(16) and hydraulic drive motor (13) is respectively positioned on the front sides of power head support (14), and hydraulic drive motor (13) setting is dynamic
The right side of power head (15), the power head cutterhead (16) are arranged in the left side of power head (15), and the power head (15) passes through company
Fishplate bar is mounted on power head support (14) and can adjust height, the power head support (14) on power head support (14)
Rear side in the small supporting plate of lathe (5) is set.
3. numerical control machine tool according to claim 2, it is characterised in that: the power head support (14) includes framing holder
Body, rotation adjustment screw (22), rotary screw support (29) and rotation adjustment bar mother (35), the frame pedestal is by being connected
Support foreboard (28), base-plate (33), support top plate (63), support back plate (31) and support side plate (30) composition, the branch
The quantity of seat side plate (30) is two and two support side plates (30) are located at the left and right sides, the support back plate (31) and branch
It is provided with mounting process aperture (32) on seat side plate (30), is provided with adjustment screw mounting hole in the middle part of the support top plate (63)
(64), it is arranged at intervals with four groups on the support foreboard (28), through-hole is locked with the arc power head that rotation center (36) are the center of circle
(39), four groups of arc power heads locking through-hole (39) is followed successively by first group of arc power head locking through-hole, the from left to right
Two groups of arc power head locking through-holes, third group arc power head locking through-hole and the 4th group of arc power head lock through-hole, institute
State on support foreboard (28) and be located between first group of arc power head locking through-hole and second group of arc power head locking through-hole,
It is provided between third group arc power head locking through-hole and the 4th group of arc power head locking through-hole with rotation center (36)
For the swivel plate arc chute (37) in the center of circle, on the support foreboard (28) and be located at second group of arc power head locking through-hole with
Bar mother's cambered way through-hole (38) with rotation center (36) for the center of circle is provided between third group arc power head locking through-hole；
The rotary screw support (29) is mounted on the top of support top plate (63) and is located at adjustment screw mounting hole (64), the rotation
The lower end for turning adjustment screw (22) passes vertically through adjustment screw mounting hole (64) and is located in the framing holder body, and the rotation is adjusted
The upper end and rotary screw support (29) of whole screw rod (22) are rotatablely connected, and the rotation adjustment bar female (35) is set in rotation adjustment
The middle part of screw rod (22) and be threadedly engaged with rotation adjustment bar female (35), be provided on front side of the rotation adjustment bar female (35) and
Rotate first perpendicular threaded hole of adjustment screw (22).
4. numerical control machine tool described in accordance with the claim 3, it is characterised in that: the connecting plate is support rotary cushion board
(27), support rotary cushion board (27) setting is spaced on the bottom of power head (15), the support rotary cushion board (27) sets
It is equipped with four groups and is the center of circle and penetrating power head locking screw keyhole (40) with rotation center (36), the support rotary cushion board (27)
Middle part be provided with bar mother and connect stepped hole (41), be provided with two groups with rotation center on rear side of the support rotary cushion board (27)
(36) it is first arc groove in the center of circle, is provided with swivel plate arc shaped slider (42) in first arc groove；The power head
(15) the power head fixing bolt of power head locking screw keyhole (40) and arc power head locking through-hole (39) is sequentially passed through
(34) fixed with support rotary cushion board (27) and power head support (14), the bar mother connects and is provided with end at stepped hole (41)
Portion passes through the first bolt (65) of bar mother cambered way through-hole (38), first bolt (65) and the first threaded hole screw thread
Cooperate and can be slided along bar mother's cambered way through-hole (38), the swivel plate arc shaped slider (42) and swivel plate arc chute
(37) cooperate and can be slided along swivel plate arc chute (37).
5. numerical control machine tool according to claim 2, it is characterised in that: the power head support (14) includes framing holder
Body, lift adjustment screw rod (45), lifting screw support (44) and lift adjustment bar be female (43), and the frame pedestal is by being connected
Support foreboard (28), base-plate (33), support top plate (63), support back plate (31) and support side plate (30) composition, the branch
The quantity of seat side plate (30) is two and two support side plates (30) are located at the left and right sides, the support back plate (31) and branch
It is provided with mounting process aperture (32) on seat side plate (30), is provided with adjustment screw mounting hole in the middle part of the support top plate (63)
(64), two groups of strip lifter plate locking through-holes are arranged at intervals on the two sides vertical direction of the support foreboard (28)
(50), it is vertically arranged with respectively on the support foreboard (28) and close to the inside of two groups of strip lifter plate lockings through-hole (50)
Two lifter plate sliding slots, are provided with lifter plate sliding slot spline (49) in the lifter plate sliding slot, on the support foreboard (28) and
Strip elevating lever mother skidway hole (51) is vertically arranged between two lifter plate sliding slot splines (49)；The lifting screw
Support (44) is mounted on the top of support top plate (63) and is located at adjustment screw mounting hole (64), the lift adjustment screw rod
(45) lower end passes vertically through adjustment screw mounting hole (64) and is located in the framing holder body, the lift adjustment screw rod (45)
Upper end and lifting screw support (44) be rotatablely connected, the lift adjustment bar female (43) is set in lift adjustment screw rod (45)
It middle part and is threadedly engaged with lift adjustment screw rod (45), the lift adjustment bar is provided with and lift adjustment spiral shell on front side of female (43)
The second perpendicular threaded hole of bar (45).
6. numerical control machine tool according to claim 5, it is characterised in that: the connecting plate includes lift adjustment connecting plate
(46) it is arranged with support lifting backing plate (47), support lifting backing plate (47) in the bottom of power head (15), the rising-falling tone
Whole connecting plate (46) be located at support lifting backing plate (47) and support foreboard (28) between, on the lift adjustment connecting plate (46) from
Left-to-right is arranged at intervals with long arc shape power head fixed hole (55) that rotation center (36) are the center of circle and arc-shaped laying
The two sides of three group of first power head fixing screwed hole (54), the lift adjustment connecting plate (46) are provided with rotation center
It (36) is the arc shaped rotary rotating plate arc chute (53) in the center of circle, the two sides of the lift adjustment connecting plate (46) are vertically arranged with liter
It drops plate locking screw pit (62), the middle and lower part of the lift adjustment connecting plate (46) is provided with elevating lever mother stepped hole (52), institute
It states the rear side of support lifting backing plate (47) and the inboard, upright of lifter plate locking screw pit (62) is provided with two lifter plates
Straight runner (56)；
The left part of support lifting backing plate (47) is provided with the second power with rotation center (36) for the arc-shaped laying in the center of circle
Head fixing screwed hole (61), the middle part and rear portion of support lifting backing plate (47) are provided with rotation center (36) as the center of circle
The power head fixed hole (57) of arc-shaped laying, the support go up and down and are provided on rear side of backing plate (47) with rotation center (36)
For the second arc groove of the arc-shaped laying in the center of circle, swivel plate arc spline (58) is provided in second arc groove；
The power head (15) and support lifting backing plate (47) are solid by the first power head fixing bolt (34-1), the second power head
Determine bolt (34-2) to be fixed on lift adjustment connecting plate (46), the first power head fixing bolt (34-1) passes through power head
Fixed hole (57) is threadedly coupled with the first power head fixing screwed hole (54) afterwards, the second power head fixing bolt (34-2)
It is threadedly coupled afterwards with the second power head fixing screwed hole (61) across long arc shape power head fixed hole (55), the lift adjustment
Connecting plate (46) is fixed by lift connection plate fixing bolt (48) and the frame pedestal, the lift connection plate fixing bolt
(48) it passes through strip lifter plate locking through-hole (50) to be threadedly coupled with lifter plate locking screw pit (62) afterwards, the elevating lever is female
The second bolt that end passes through strip elevating lever mother skidway hole (51), second bolt and institute are provided at stepped hole (52)
The second threaded hole is stated to be threadedly engaged and can slide along strip elevating lever mother skidway hole (51), the lifter plate sliding slot spline
(49) it is slidably matched with lifter plate straight runner (56), the swivel plate arc spline (58) and arc shaped rotary rotating plate arc chute (53)
It is slidably matched.
7. numerical control machine tool according to claim 2, it is characterised in that: power head (15) spindle nose is that band step is bored
It spends spindle nose (59), is provided with the cutterhead taper axis hole matched with step taper spindle nose (59) on the power head cutterhead (16)
(60), the power head cutterhead (16) is discoid power head cutterhead (16-1) or elongated rod-shaped power head cutterhead (16-2).
8. numerical control machine tool described in accordance with the claim 1, it is characterised in that: the big palette rolling mechanism (3) includes rolling
Dynamic mechanism rack (3-1), needle bearing (3-2), rolling mechanism pivot pin (3-3), disc spring (3-4), disc spring pad cap (3-5) and rolling
Institutional adjustment bolt (20), the disc spring pad cap (3-5) are arranged in the outer end of rolling mechanism bracket (3-1), the disc spring (3-4)
It is made of opposite stack of multiple disc spring pieces, the disc spring (3-4) is set on the outer end cylinder of rolling mechanism bracket (3-1), institute
It states needle bearing (3-2) and rolling mechanism pivot pin (3-3) is arranged at the inner end of rolling mechanism bracket (3-1), the needle roller axis
It holds (3-2) to fix by rolling mechanism pivot pin (3-3) and rolling mechanism bracket (3-1), the rolling mechanism adjustment bolt (20)
Positioned at the outside of disc spring pad cap (3-5), the rolling mechanism adjustment bolt (20) is threadedly coupled with lathe big palette (4), described
Needle bearing (3-2) is in rolling contact with machine tool guideway (7).
9. numerical control machine tool described in accordance with the claim 1, it is characterised in that: the tailstock locking pressure plate (8) is arranged in tail
The lower part of seat retaining mechanism (10), the tailstock retaining mechanism (10) includes T-type clamping screw (10-1), locking cylinder cylinder body
(10-2), locking cylinder piston (10-3), fastening nut (10-4) and limiting bush (10-5), the locking cylinder piston (10-
3) it is arranged in locking cylinder cylinder body (10-2) with limiting bush (10-5), the limiting bush (10-5) is located at locking cylinder
The top of the lower section of piston (10-3), the T-type clamping screw (10-1) sequentially passes through the bottom of locking cylinder cylinder body (10-2)
With the middle part of locking cylinder piston (10-3), the fastening nut (10-4) setting T-type clamping screw (10-1) top and
Locking cylinder piston (10-3) and locking cylinder cylinder body (10-2) are connected, the locking cylinder cylinder body (10-2), locking cylinder
Locking cylinder oil pocket (10-6) is formed between piston (10-3), limiting bush (10-5) and T-type clamping screw (10-1), the T
The central upper portion of type clamping screw (10-1) is provided with the oil inlet oil return interface (10-7) communicated with locking cylinder oil pocket (10-6)；
In the mounting hole that locking cylinder cylinder body (10-2) setting opens up on tailstock retaining mechanism (10), the T-type clamping screw
The lower part of (10-1) and tailstock locking pressure plate (8) step cooperate.
10. numerical control machine tool described in accordance with the claim 1, it is characterised in that: the hydraulic tailstock of lathe (11) includes tail
Seat board (11-2), tailstock body (11-3) and tailstock hydraulic cylinder (11-1), the tailstock body (11-3) are mounted on tailstock backing plate
The top of (11-2), the tailstock hydraulic cylinder (11-1) are mounted on the top of tailstock body (11-3), close to the machine tool chief axis
One end of the tailstock hydraulic cylinder (11-1) of case (1) is provided with tailstock centre (11-4), and the tailstock backing plate (11-2) straddles
Between first inverted v-shaped tailstock guide (24) and the second linear type tailstock guide (25)；
The tailstock hydraulic cylinder (11-1) includes hydraulic cylinder cavity (11-11), tailstock axle sleeve (11-12), disassembly mandril
(11-13), process seal set (11-14), tailstock oil cylinder piston (11-15), axle sleeve lock nut (11-16) and tailstock oil cylinder end
It covers (11-17), the tailstock axle sleeve (11-12) is axially arranged in hydraulic cylinder cavity (11-11), the disassembly mandril
(11-13) is axially arranged on the right center of tailstock axle sleeve (11-12), the tailstock axle sleeve (11-12) and disassembly mandril
(11-13) is slidably matched, and the process seal set (11-14) and tailstock oil cylinder piston (11-15) are arranged at tailstock axle sleeve
The outside of (11-12), the axle sleeve lock nut (11-16), which is arranged the right end in tailstock axle sleeve (11-12) and passes through axle sleeve, locks
Tight nut (11-16) is fixed by tailstock axle sleeve (11-12) and tailstock oil cylinder piston (11-15), the process seal set (11-
14), tailstock oil cylinder piston (11-15) and axle sleeve lock nut (11-16) are respectively positioned in hydraulic cylinder cavity (11-11)；It is described
Tailstock cylinder cover (11-17) be arranged hydraulic cylinder cavity (11-11) tail portion and by cylinder cap connection bolt (11-18) and
Hydraulic cylinder cavity (11-11) is fixedly connected, and the right end of disassembly mandril (11-13) is pierced by tailstock cylinder cover (11-17),
The right end of disassembly mandril (11-13) is provided with mandril lock nut (11-19) and will by mandril lock nut (11-19)
It dismantles mandril (11-13) and tailstock cylinder cover (11-17) to fix, the hydraulic cylinder cavity (11-11) is mounted on tailstock body
The top of (11-3)；The tailstock cylinder cover (11-17), hydraulic cylinder cavity (11-11), tailstock oil cylinder piston (11-15),
It is formed between axle sleeve lock nut (11-16), tailstock axle sleeve (11-12) and disassembly mandril (11-13) and holds out against acting oil pocket (11-
110), the hydraulic cylinder cavity (11-11), tailstock axle sleeve (11-12), process seal set (11-14) and tailstock oil cylinder piston
It is formed between (11-15) and retracts acting oil pocket (11-111), be provided with and hold out against acting on the tailstock cylinder cover (11-17)
What oil pocket (11-110) communicated holds out against acting oil inlet (11-112), is provided with and moves back on the hydraulic cylinder cavity (11-11)
Return acting oil pocket (11-111) communicate retract acting oil inlet (11-113)；The left lower of the tailstock axle sleeve (11-12)
It is provided with axle sleeve locating slot (11-114), the left end lower part of the hydraulic cylinder cavity (11-11) is provided with locating piece mounting hole
(11-115), the locating piece mounting hole (11-115) is interior to be provided with axle sleeve locating piece (11-116) and axle sleeve locating piece (11-
116) it can be slided with respect to axle sleeve locating slot (11-114), the tailstock centre (11-4) is axially fixed to tailstock axle sleeve (11-
12) Left-side center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811138592.8A CN109014955B (en) | 2018-09-28 | 2018-09-28 | Numerical control machine tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811138592.8A CN109014955B (en) | 2018-09-28 | 2018-09-28 | Numerical control machine tool |
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| Publication Number | Publication Date |
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| CN109014955A true CN109014955A (en) | 2018-12-18 |
| CN109014955B CN109014955B (en) | 2024-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811138592.8A Active CN109014955B (en) | 2018-09-28 | 2018-09-28 | Numerical control machine tool |
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Effective date of registration: 20231213 Address after: 065000 south of Dongfang street and west of Shidai Road, North District of Gu'an County Industrial Park, Langfang City, Hebei Province Applicant after: Gu'an Aerospace Xingbang Machinery Manufacturing Co.,Ltd. Address before: Room 12B, Block A, Zizi Square, No. 376 Youyi West Road, Beilin District, Xi'an City, Shaanxi Province, 710068 Applicant before: Wang Xiangjun |
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