CN106735430A - A kind of large-sized boiler drum and header high-speed numeric control drilling machine - Google Patents
A kind of large-sized boiler drum and header high-speed numeric control drilling machine Download PDFInfo
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- CN106735430A CN106735430A CN201710131420.7A CN201710131420A CN106735430A CN 106735430 A CN106735430 A CN 106735430A CN 201710131420 A CN201710131420 A CN 201710131420A CN 106735430 A CN106735430 A CN 106735430A
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- 238000005553 drilling Methods 0.000 title claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims abstract description 75
- 238000003754 machining Methods 0.000 claims abstract description 6
- 238000007514 turning Methods 0.000 claims description 10
- 239000011230 binding agent Substances 0.000 claims description 9
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 description 11
- RRLHMJHRFMHVNM-BQVXCWBNSA-N [(2s,3r,6r)-6-[5-[5-hydroxy-3-(4-hydroxyphenyl)-4-oxochromen-7-yl]oxypentoxy]-2-methyl-3,6-dihydro-2h-pyran-3-yl] acetate Chemical compound C1=C[C@@H](OC(C)=O)[C@H](C)O[C@H]1OCCCCCOC1=CC(O)=C2C(=O)C(C=3C=CC(O)=CC=3)=COC2=C1 RRLHMJHRFMHVNM-BQVXCWBNSA-N 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
- B23B39/14—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines with special provision to enable the machine or the drilling or boring head to be moved into any desired position, e.g. with respect to immovable work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q16/00—Equipment for precise positioning of tool or work into particular locations not otherwise provided for
- B23Q16/02—Indexing equipment
- B23Q16/08—Indexing equipment having means for clamping the relatively movable parts together in the indexed position
- B23Q16/10—Rotary indexing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a kind of large-sized boiler drum and header high-speed numeric control drilling machine, belong to workpiece machining equipment field.The present invention includes drilling sector, workpiece support mechanism and NC dividing head；The workpiece support mechanism and NC dividing head are installed on lathe bed and can be moved along lathe bed X axis；The drilling sector is installed on base and by the gantry that can be moved along base X axis across standing on lathe bed；The lathe bed is less than base；The vertical ram that can be adjusted along Y direction is installed, equipped with the drill unit that can be moved in Z-direction along vertical ram on the vertical ram on described gantry；The workpiece support mechanism includes some fixed supporting mechanisms and some lifting supporting mechanisms that workpiece can be held up along Z axis.The present invention substantially increases the efficiency and precision of drum and header processing, and the present invention can be additionally used in the Drilling operation of other pipe fitting workpiece.
Description
Technical field
The present invention relates to process equipment field, more particularly to a kind of large-sized boiler drum and header high-speed numeric control drilling machine.
Background technology
It is processed using radial drilling machine or numeric control multispindle borer more than the collecting box pipe that boiler industry is used at this stage, but drum
And collecting box pipe hole number is more, and multiple angles of body radial direction are distributed in, use radial drilling machine or general NC drilling machine to process effect
Rate is low, low precision.
The current country lacks the special processing equipment for pipe fittings such as drum and collecting box pipes.
The content of the invention
In order to make up the deficiencies in the prior art, the invention provides it is a kind of efficiently, high accuracy processing large-sized boiler drum and
The high-speed numeric control drilling machine of header pore.Numerical control drilling machine of the invention is exclusively used in pipe fitting processing, and especially drum and header etc. are large-scale
Pipe fitting is processed.
The present invention is for drum and the design feature of collecting box pipe, there is provided one kind is exclusively used in boiler industry drum, collecting box pipe and adds
The flexibility of work can not only process drum but also can process the Multipurpose high-speed numerical control drilling machine of header.
The technical scheme is that：
A kind of large-sized boiler drum and header high-speed numeric control drilling machine, including drilling sector, workpiece support mechanism and numerical control scale-division
Head；The workpiece support mechanism and NC dividing head are installed on lathe bed and can be moved along lathe bed X axis；The drilling sector is installed
In base and by the gantry that can be moved along base X axis across standing on lathe bed；The lathe bed is less than base；Installed on described gantry
There is the vertical ram that can be adjusted along Y direction, equipped with the drilling that can be moved in Z-direction along vertical ram on the vertical ram
Unit head；The workpiece support mechanism includes some fixed supporting mechanisms and some lifting supports that workpiece can be held up along Z axis
Mechanism.
Preferably, the NC dividing head includes being arranged at the NC dividing head of X axis rail on the lathe bed
Casing, is provided with the dividing head slide plate that can be moved along Z axis on the NC dividing head casing, fixation sets on the dividing head slide plate
There is the pivoting support with external tooth, the pivoting support is provided with the self-centering chuck for clamping workpiece numerical-controlled indexing, is used for
The planetary reducer of the self-centering chuck revolution is driven to be engaged with pivoting support；Lowered on the self-centering chuck for being driven
Whole lifting decelerator is fixedly connected by leading screw with the dividing head slide plate.
Preferably, the lifting supporting mechanism includes being arranged at the lifting support of X axis rail on the lathe bed
Frame base, the lifting support frame base is provided with V-type support frame, the V-type support frame be provided with some Z axis to guiding
Plate, the V-type turning rolls for support workpiece is installed on the V-type support frame, the lifting support frame bottom by the guide plate
Seat is provided with the hoist cylinder for V-type turning rolls Z axis to be held up.
Further, the lifting support frame base be provided with for the V-type support frame Z axis to adjustment drift,
The lifting support frame base is provided with the double-deck self-locking mechanism for locking the V-type support frame height.
Preferably, the fixed supporting mechanism includes being arranged at the fixed support of X axis rail on the lathe bed
Frame base, the fixing support rack base is provided with V-type support frame, and the V-type support frame is provided with the branch for loaded work piece
Stay.
Further, the fixing support rack base be provided with for the V-type support frame Z axis to adjustment drift,
The fixing support rack base is provided with the double-deck self-locking mechanism for locking the V-type support frame height.
Preferably, it is equipped with Y-axis adjustment on the lifting support frame base and the fixing support rack base
Drift, and be provided with the double-deck self-locking mechanism for locking V-type support frame height.
Preferably, be fixed with the vertical ram across stand on the drill unit and be located at the drilling
Servo-actuated binder oil cylinder in front of unit head.
Preferably, the drill unit includes high-speed main spindle, spindle motor, knife machining mechanism and power head case
Body.
Preferably, the base is provided with the hydraulic locking mechanism for locking described gantry.
Beneficial effects of the present invention are：
The present invention coordinates Special tooling clamp to realize not only having processed drum but also can process the multiplex of header by increasing clamping range
Way target.
Multiple fixed supporting mechanisms are installed, fixed supporting mechanism is rigid support, to improve workpiece rigidity, is subtracted on lathe bed
Few vibration, improves cutter life.
Multiple lifting supporting mechanisms are installed, lifting supporting mechanism is flexible support on lathe bed, can be in feeding or rotation
Lifted during positioning, reduce the frictional force and feeding impulsive force produced during rotation.
The rotational positioning that workpiece support mechanism cooperates when completing work pieces process with NC dividing head, setting accuracy is very
It is high.
Servo-actuated binder oil cylinder is advanced and is not influenceed the feed motion of drill unit simultaneously with drill unit, can added
Drum, collecting box pipe are pushed down before work, to reduce the vibrations in drilling process, machining accuracy is improved.
Through experiment, numerical control drilling machine processing drum of the present invention and header ratio of precision radial drilling machine or numeric control multispindle borer process essence
Spend high by 363%.
It is various that large-sized boiler drum of the present invention and header high-speed numeric control drilling machine are exclusively used in boiler industry drum, collecting box pipe etc.
The processing of pipe fitting, facilitates the processing operation of tubular workpiece, improves production efficiency, reduces labour intensity, corresponding to reduce
Labour cost.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
Other accompanying drawings are obtained with according to these accompanying drawings.
Fig. 1 is the side structure schematic view of large-sized boiler drum of the present invention and header high-speed numeric control drilling machine；
Fig. 2 is the positive structure diagram of large-sized boiler drum of the present invention and header high-speed numeric control drilling machine；
Fig. 3 is the positive structure diagram of large-sized boiler drum of the present invention and header high-speed numeric control drilling machine drilling sector；
Fig. 4 is the isometric structural representation of large-sized boiler drum of the present invention and header high-speed numeric control drilling machine drilling sector；
Fig. 5 is the positive structure diagram of large-sized boiler drum of the present invention and header high-speed numeric control drilling machine NC dividing head；
Fig. 6 is the side structure schematic view of large-sized boiler drum of the present invention and header high-speed numeric control drilling machine NC dividing head；
Fig. 7 is the isometric structural representation of large-sized boiler drum of the present invention and header high-speed numeric control drilling machine NC dividing head；
Fig. 8 is the positive structure diagram that large-sized boiler drum of the present invention and header high-speed numeric control drilling machine lift supporting mechanism；
Fig. 9 is the isometric structural representation that large-sized boiler drum of the present invention and header high-speed numeric control drilling machine lift supporting mechanism
Figure；
Figure 10 is the positive structure diagram that large-sized boiler drum of the present invention and header high-speed numeric control drilling machine fix supporting mechanism；
Figure 11 is the isometric structural representation that large-sized boiler drum of the present invention and header high-speed numeric control drilling machine fix supporting mechanism
Figure；
Figure 12 is the isometric structural representation of large-sized boiler drum of the present invention and header high-speed numeric control drilling machine drill unit；
Figure 13 is the positive structure diagram of large-sized boiler drum of the present invention and the servo-actuated binder oil cylinder of header high-speed numeric control drilling machine；
In figure：1. base, 2. adjustable ground screw, is 3. servo-actuated binder oil cylinder, 4. drill unit, 5. vertical ram, 6.
Gantry, 7. chip removal system, 8. lathe bed, 9. lifts supporting mechanism, 10. fixes supporting mechanism, 11. NC dividing heads, 12.
Drive gear tooth bar pair, 13. handles, 14. travelling gear tooth bar pairs, 15. linear roller guideways, 16. cylinder brackets, 17.
Locking cylinder, 18 steel guide rails, 19. lock-screws, 20. operating desks, 21. electrical systems, 23. balancing cylinders, 24. self-centering cards
Disk, 25. NC dividing head casings, 26. accurate planetary reducers, 27. dividing head slide plates, 28. lifting decelerators, 29. revolutions
Supporting, 30. travelling gears, 31. support frame bases, 32. V-type support frames, 33. are oriented to copper coin, 34. V-type turning rolls, 35.
Support roller, 36. hoist cylinders, 37. drifts, 38. double-deck self-locking mechanisms, 39. support bars, 40. high-speed main spindles, 41. main shafts electricity
Machine, 42. knife machining mechanisms, 43. Timing Belts and precise ball screw pair, 44. power head boxes.
Specific embodiment
Following examples are a specific embodiment of the invention, it is also possible to be adjusted on the basis of the embodiment.
Embodiment 1
As shown in Fig. 1-Figure 13, large-sized boiler drum of the invention and header high-speed numeric control drilling machine include base 1, lathe bed 8, bore
Cut mechanism, workpiece support mechanism, NC dividing head 11, chip removal system 7, hydraulic system, electrical system 21 and facilitate personal observations
With the operating desk 20 of operation.
Drilling sector is located at base 1；Workpiece support mechanism and NC dividing head 11 are located at lathe bed 8.Lathe bed 8 is less than base 1.
In general, lathe bed 8 is placed in cellar.
, used as parts of machine tool, using cast structure, timeliness destressing is processed, with preferable rigidity for base 1 and lathe bed 8
And stability, gather many adjustable ground screws 2 on its bottom surface, in that context it may be convenient to which adjustment ensures the flatness in upper rail face and straight
Dimension.
Drilling sector includes gantry 6, vertical ram 5, drill unit 4 and servo-actuated binder oil cylinder 3.Base 1 is flush system
Structure, respectively there is two high-bearing capacity straight ball-guides on base 1, the movement of the X axles of gantry 6 is straight on base 1 using being fixed on
Line roller guide is secondary to be oriented to, and the side of base 1 is provided with diagonal-cut rack, and gantry 6 is using servomotor through precision speed reduction device by disappearing
Gap travelling gear tooth bar secondary 14 drives.
Gantry 6 uses lead frame structure, and the movement of the X-axis of gantry 6 is using two high-bearing capacities 65 being fixed on base 1
Number line slideway auxiliary is oriented to, and drives and is driven using two-side synchronous, and guide rail has eliminated gap with rack-and-pinion, respond, determines
Position high precision, its two-side synchronous drive and ensure that moving in parallel for gantry 6, it is ensured that in any position Y-axis to the perpendicularity of X-axis.
Hydraulic locking mechanism is provided between gantry 6 and base 1（Locking cylinder 17）, when motor is stalled, locking cylinder is clamped, and is made
Gantry 6 can lock on base 1, it is ensured that positioning precision and quick positioning that X-axis is done.
Equipped with the vertical ram 5 that can be adjusted along Y direction on gantry 6（Such as using screw rod to vertical ram 5 in Y-axis side
To fine setting, to realize that drill unit intersects with work centre line）, being equipped with vertical ram 5 can be along vertical ram 5 in Z axis side
To mobile drill unit 4.It is fixed with vertical ram 5 across standing on drill unit 4 and be located at the front of drill unit 4
Servo-actuated binder oil cylinder 3.Servo-actuated binder oil cylinder 3 is connected on vertical ram 5 by cylinder bracket 16, and cylinder bracket 16 is " Jiong "
Character form structure, across drill unit 4, and does not influence the feed motion of drill unit 4.After gantry 6 moves to bore position,
Servo-actuated binder oil cylinder 3 can push down drum, collecting box pipe, and to reduce the vibration of drilling process, its cramping is adjustable.
Drill unit 4 is arranged on vertical ram 5, is oriented to by linear roller guideway 15, is driven using servomotor
Timing Belt and precise ball screw pair 43 drive vertically（Z axis）Up and down, numeral feeding is realized.It is drill unit 4, vertical
Ram 5 is moved and is oriented to using two linear roller guideways 15, is driven and is driven Timing Belt and precise ball using AC servomotors
Leading screw auxiliary driving, transversely（Y-axis）It is mobile.Z axis motor carries automatic band-type brake function, and in the event of a power failure, automatic band-type brake will
Motor shaft is held tightly, is allowed to rotate.During work, when drill bit is not in contact with workpiece, fast feed；After bit contact workpiece,
Work is automatically switched to enter.After drill bit drills through workpiece, rewind is automatically switched to；Workpiece is left when drill bit end reach setting position
When, next hole position is moved to, realize automatic cycle.And drilling blind hole, milling, chamfering, chip breaking, automatic chip-removal etc. can be realized
Function, improves labor productivity.
Drill unit 4 is square ram structure, by high-speed main spindle 40, spindle motor 41, knife machining mechanism 42, power head case
Body 44 is constituted.Unit head drives synchronous pulley to drive high-speed main spindle 40 to rotate the structure of transmitting torque using spindle motor 41, its
High-speed main spindle rotating speed is up to 3000r/min.The unit head is slowed down using the synchronized band of servomotor, synchronizing wheel, straight-line ball
Guideway is oriented to, and drives vertical ball-screw rotation, realizes numeral feeding.Unit head coordinates main shaft equipped with hydraulic pressure knife striking cylinder
45 ° of four claw tool-broaching mechanism, realize automatic pine knife and automatic tool-broaching action, facilitate the handling of cutter.Vertical ram 5 and gantry
Lead screw pair is installed between 6, is in process intersecting for adjusting main-shaft axis and axis of workpiece.
Workpiece support mechanism includes fixed supporting mechanism 10 and lifting supporting mechanism 9；Hard steel guide rail is set on lathe bed 8
18, which is provided with lifting supporting mechanism 9, fixed supporting mechanism 10 and NC dividing head 11.Lifting supporting mechanism 9, fixed support
Mechanism 10 and NC dividing head 11 are oriented to using hard steel guide rail 18, and use servomotor through precision speed reduction device by drive gear
Tooth bar secondary 12 drives.Specifically, the side of lathe bed 8 is provided with driving tooth bar, tooth bar is driven with lifting supporting mechanism 9, fixed support machine
Drive gear engagement on structure 10 and NC dividing head 11, to drive lifting supporting mechanism 9, fixed supporting mechanism 10 and numerical control point
Degree first 11 is moved along X axis.
NC dividing head 11 includes NC dividing head casing 25, dividing head slide plate 27, pivoting support 29, self-centering chuck
24th, accurate planetary reducer 26, lifting decelerator 28, travelling gear 30.
NC dividing head casing 25 is arranged at the X axis rail on lathe bed 8, is oriented to by steel guide rail, is passed through using servomotor
Precision speed reduction device and drive gear tooth bar secondary 12 drive, can be along lathe bed length direction（X axis）It is mobile, to adapt to different length
Workpiece.The dividing head slide plate 27 that can be moved along Z axis is installed on NC dividing head casing 25, is fixed with dividing head slide plate 27
Pivoting support 29 with external tooth, pivoting support 29 is provided with the self-centering chuck 24 for clamping workpiece numerical-controlled indexing, revolution
Supporting 29 is external tooth type, and tooth thereon is engaged with travelling gear 30 and driven by accurate planetary reducer 26, completes self-centering card
The revolution action of disk 24, controls the indexing of self-centering chuck 24；Lifting for driving self-centering chuck to be adjusted about 24 is slowed down
Machine 28 is fixedly connected by leading screw with dividing head slide plate 27, and lifting decelerator drives dividing head slide plate upper and lower by ball screw assembly,
Mobile, real chuck is lifted and the action fallen.Drive of the self-centering chuck in lifting decelerator 28 and accurate planetary reducer 26
The dynamic lower clamping for completing workpiece, indexing, feeding action.Preferably, NC dividing head casing 25 is additionally provided with balancing cylinder 23, balance
Oil cylinder 23 heads on dividing head slide plate 27.
The upper table surface of lathe bed 8 is provided with multiple lifting supporting mechanism and some fixed supporting mechanisms, each lifting supporting mechanism and
Fixed supporting mechanism is oriented to by the hard steel guide rail 18 of X axis, and side is provided with gear, is engaged with the tooth bar on lathe bed 8, by people
Work is driven by handle 13, can need any movement according to processing, and lock by locking device.
Lifting supporting mechanism 9 includes support frame base 31, and the steel of the X axis that support frame base 31 is arranged on lathe bed 8 is led
Rail.Support frame base 31 is provided with V-type support frame 32, V-type support frame 32 be provided with some Z axis to guiding copper coin 33, be used for
The V-type turning rolls 34 of support workpiece is installed on V-type support frame 32 by being oriented to copper coin, and support frame base 31 is provided with for by V
The hoist cylinder 36 that type turning rolls 34 holds up along Z axis.V-type turning rolls 34 is provided with support roller 35.Support frame base 31 is provided with
For to V-type support frame 32 along Z axis to adjustment drift 37, support frame base 31 is provided with high for locking V-type support frame 32
The double-deck self-locking mechanism 38 of degree（Such as lock-screw 19）.
Fixed supporting mechanism 10 includes support frame base 31, and the steel of the X axis that support frame base 31 is arranged on lathe bed 8 is led
Rail.Support frame base 31 is provided with V-type support frame 32, and V-type support frame 32 is provided with the support bar 39 for loaded work piece.Support
Frame base 31 be provided with for V-type support frame 32 along drift 37 from Z axis to adjustment, support frame base 31 is provided with for locking
The double-deck self-locking mechanism 38 of the height of V-type support frame 32.
Preferably, the drift that Y-axis is adjusted is equipped with lifting support frame base and fixing support rack base, and
It is provided with the double-deck self-locking mechanism for locking V-type support frame height.
Lifting supporting mechanism 9 and fixed supporting mechanism 10 promote drift 37 to realize that V-type is supported using manual drive screw rod
The precision lift of frame 32, lifting afterwards by double-deck self-locking mechanism, keeps V-type support frame 32 highly constant, it is ensured that on workpiece two ends in place
The straight line that bus is linked to be and gantry-travelling straight line parallel.Workpiece rigidity can be improved using more than one piece collecting box pipe supporting mechanism, subtracted
The vibration of few process.
There is a V-type turning rolls 34 on lifting supporting mechanism, the effect of V-type turning rolls 34 is in feeding or lifts during rotational positioning
Rise, realize that drum tube or collecting box pipe rotate on roller, reduce frictional force and feeding impulsive force that rotation is produced.It is automatic during drilling
Fall below fixed supporting mechanism.
Support workpiece to improve workpiece rigidity by fixed support, reduce vibration, improve cutter life.And have enough
Protection makes elevating mechanism not damaged by iron filings.
All supporting mechanisms have fine adjustment function（Z axles and Y axles）, drum tube is long to occur deformation, by fine setting
Ensure straight line and gantry-travelling straight line parallel that workpiece two ends Up Highway UHW is linked to be.Additionally, the bearing support at support drum two ends should
Energy selection does not use the fine adjustment function of Z axles and Y direction of principal axis, to ensure drum tube two ends with centralized positioning and make workpiece two ends
The straight line that Up Highway UHW is linked to be.Can be locked after fine setting.
Claims (10)
1. a kind of large-sized boiler drum and header high-speed numeric control drilling machine, including drilling sector, workpiece support mechanism and numerical control point
Degree head；It is characterized in that：The workpiece support mechanism and NC dividing head are installed on lathe bed and can be moved along lathe bed X axis；Institute
State drilling sector and be installed on base and by the gantry that can be moved along base X axis across standing on lathe bed；The lathe bed is less than base；
The vertical ram that can be adjusted along Y direction is installed, being equipped with the vertical ram can be along vertical ram in Z axis on described gantry
The drill unit of direction movement；The workpiece support mechanism include some fixed supporting mechanisms and it is some can be by workpiece along Z axis
The lifting supporting mechanism of picking-up.
2. large-sized boiler drum as claimed in claim 1 and header high-speed numeric control drilling machine, it is characterised in that：The numerical control scale-division
Head includes being arranged at the NC dividing head casing of X axis rail on the lathe bed, and being provided with the NC dividing head casing can
Along the dividing head slide plate that Z axis are moved, the pivoting support with external tooth, the pivoting support are fixed with the dividing head slide plate
The self-centering chuck for clamping workpiece numerical-controlled indexing is provided with, the planetary reducer for driving the self-centering chuck revolution
Engaged with pivoting support；Lifting decelerator for driving the self-centering chuck to adjust up and down passes through leading screw and the dividing head
Slide plate is fixedly connected.
3. large-sized boiler drum as claimed in claim 1 and header high-speed numeric control drilling machine, it is characterised in that：The lifting support
Mechanism includes being arranged at the lifting support frame base of X axis rail on the lathe bed, and the lifting support frame base is provided with V-type
Support frame, the V-type support frame be provided with some Z axis to guide plate, the V-type turning rolls for support workpiece led by described
The V-type support frame is installed on to plate, the lifting support frame base is provided with the lifting for V-type turning rolls Z axis to be held up
Oil cylinder.
4. large-sized boiler drum as claimed in claim 3 and header high-speed numeric control drilling machine, it is characterised in that：The lifting support
Frame base is provided with for the V-type support frame Z axis, to the drift for adjusting, the lifting support frame base to be provided with for locking
The double-deck self-locking mechanism of the fixed V-type support frame height.
5. large-sized boiler drum as claimed in claim 1 and header high-speed numeric control drilling machine, it is characterised in that：The fixed support
Mechanism includes being arranged at the fixing support rack base of X axis rail on the lathe bed, and the fixing support rack base is provided with V-type
Support frame, the V-type support frame is provided with the support bar for loaded work piece.
6. large-sized boiler drum as claimed in claim 5 and header high-speed numeric control drilling machine, it is characterised in that：The fixed support
Frame base is provided with for the V-type support frame Z axis, to the drift for adjusting, the fixing support rack base to be provided with for locking
The double-deck self-locking mechanism of the fixed V-type support frame height.
7. large-sized boiler drum and header high-speed numeric control drilling machine as described in claim 4 or 6, it is characterised in that：The lifting
The drift of Y-axis adjustment is equipped with support frame base and the fixing support rack base, and is provided with for locking V-type support frame
The double-deck self-locking mechanism of height.
8. large-sized boiler drum as claimed in claim 1 and header high-speed numeric control drilling machine, it is characterised in that：The vertical ram
On be fixed with across stand on the drill unit and be located at the drill unit in front of servo-actuated binder oil cylinder.
9. large-sized boiler drum and header high-speed numeric control drilling machine as described in claim 1 or 8, it is characterised in that：The drilling
Unit head includes high-speed main spindle, spindle motor, knife machining mechanism and power head box.
10. large-sized boiler drum as claimed in claim 1 and header high-speed numeric control drilling machine, it is characterised in that：On the base
It is provided with the hydraulic locking mechanism for locking described gantry.
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| CN106735430B CN106735430B (en) | 2019-03-22 |
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| CN107335863A (en) * | 2017-06-14 | 2017-11-10 | 西安维亚造纸机械有限公司 | A kind of paper machine doctor-roll boring device |
| CN109333096A (en) * | 2018-09-14 | 2019-02-15 | 芜湖美奥机械科技有限公司 | A kind of fixed punch device of air-conditioner compressor outer housing |
| CN114029767A (en) * | 2021-11-10 | 2022-02-11 | 沧州茂升五金制造有限公司 | Workpiece positioning and pressing mechanism of numerical control plane drilling machine |
| CN114160835A (en) * | 2021-12-15 | 2022-03-11 | 无锡市鼎翰精密机械制造有限公司 | Linear guide's puncher |
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|---|---|
| CN106735430B (en) | 2019-03-22 |
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Denomination of invention: A high-speed CNC drilling machine for large boiler drums and headers Effective date of registration: 20231019 Granted publication date: 20190322 Pledgee: Jinan Zhangqiu District Sub branch of Postal Savings Bank of China Co.,Ltd. Pledgor: JINAN SUPERTIME NUMERICAL CONTROL EQUIPMENT CO.,LTD. Registration number: Y2023980061871 |
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