CN107225408A - A kind of multidimensional numeric control rapid borer - Google Patents
A kind of multidimensional numeric control rapid borer Download PDFInfo
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- CN107225408A CN107225408A CN201610168694.9A CN201610168694A CN107225408A CN 107225408 A CN107225408 A CN 107225408A CN 201610168694 A CN201610168694 A CN 201610168694A CN 107225408 A CN107225408 A CN 107225408A
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- 238000003825 pressing Methods 0.000 claims abstract description 32
- 230000008093 supporting effect Effects 0.000 claims description 23
- 238000005096 rolling process Methods 0.000 claims description 19
- 239000011230 binding agent Substances 0.000 claims description 15
- 238000007514 turning Methods 0.000 claims description 13
- 230000001737 promoting effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 238000003754 machining Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- 238000005553 drilling Methods 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000001514 detection method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 241000282376 Panthera tigris Species 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001976 improved effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/012—Portals
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- 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
Abstract
The invention discloses a kind of multidimensional numeric control rapid borer, belong to special-shaped workpiece process equipment field.The multidimensional numeric control rapid borer of the present invention is fixed using workpiece, the mode of portal frame movement, multidimensional special-shaped workpiece is fixed on lathe bed jointly using support fixture and locking fixture, portal frame is by two flush system footposts across standing on lathe bed and can be moved along Workpiece length direction, four unit heads of pendant on portal frame, its unit head is each perpendicular to one side of multidimensional special-shaped workpiece；Wherein portal frame crossbeam is provided with the unit head being provided with the unit head respectively set on two unit heads, two columns on a unit head, crossbeam on auxiliary material pressing device, column and is provided with unit head angle-adjusting mechanism, can change rotational angle with short side position.The present invention not only facilitates the processing operation of multidimensional special-shaped workpiece, improves machining accuracy, while improving production efficiency for later pipe tower processing industry, reduces labor intensity, labour cost is reduced accordingly.
Description
Technical field
The present invention relates to special-shaped workpiece process equipment field, more particularly to a kind of multidimensional numeric control rapid borer.
Background technology
With continuing to develop for manufacture of steel structure level, pipe tower progressively replaces angle steel tower with its higher rigidity and stability, but in the actual use of pipe tower, its accuracy of manufacture is difficult to control to also gradually expose with the shortcoming of finished product inconvenience transport, in the case, Guan Ta manufacturers start thinking using special-shaped assembled structure as shown in Figure 1 to improve its shortcoming, while expecting using automation equipment to improve the accuracy of manufacture of assembled pipe tower.
Special-shaped assembled structure as shown in Figure 1 has been greatly facilitated the development of pipe tower technology, but due to the particularity of its shape, higher requirement is also proposed to automation equipment manufacturing.Special-shaped building block as shown in Figure 1 has two long sides and two short sides, and four sides require drilling, and two long edge pieces angles are θ（θ not 0 deg, non-90 degree）, and the long side in workpiece front and back end differs, i.e., trapezoidal by being shaped as of constituting of the front and back end long side of correspondence, flanging, center line, and trapezoidal upper and lower side size can change at any time, therefore plane where short side can constitute any anglec of rotation in plane on long side.
Based on the main plane drill press to be processed for flat-type of current numerical control drilling machine and the three-dimensional drilling machine processed for H profile steel, it is clear that be not suitable for the such workpiece of processing.
In this case, a problem for needing research and development badly is turned into for the multidimensional numeric control rapid borer that special-shaped workpiece as shown in Figure 1 is processed.
The content of the invention
Present invention solves the technical problem that being to overcome the shortcomings of background technology there is provided one kind is rational in infrastructure, stability is strong, and rotating speed is high, vdiverse in function, the multidimensional numeric control rapid borer being processed for multidimensional special-shaped workpiece.
The multidimensional numeric control rapid borer of the present invention is fixed using workpiece, the mode of portal frame movement, multidimensional special-shaped workpiece is fixed on lathe bed jointly using support fixture and locking fixture, portal frame is by two flush system footposts across standing on lathe bed and can be moved along Workpiece length direction, four unit heads of pendant on portal frame, its unit head is each perpendicular to one side of multidimensional special-shaped workpiece, both perpendicular to short side two unit heads can also with short side position change rotational angle.
The technical scheme is that：
Some support fixtures 100 and some locking fixtures 200 are provided with a kind of multidimensional numeric control rapid borer, including lathe bed 1100, the lathe bed 1100, the support fixture 100 is spaced with locking fixture 200；The portal frame 800 that can move back and forth along lathe bed is had on the lathe bed 1100, the portal frame 800 is provided with some unit heads, and the machined surface of each unit head is generally aligned in the same plane and vertical with each side of special-shaped workpiece respectively.
Preferably, the portal frame 800 includes a crossbeam 801 and the two root posts 802 for support beam；Partial power head is slidably connected by track with crossbeam 801, and the unit head being arranged on crossbeam 801 is provided with auxiliary pressing mechanism 300；Partial power head is slidably connected by track with column 802, and unit head angle-adjusting mechanism 400 is provided between the track on unit head and column 802 being arranged on column 802；Track on crossbeam 801 or column 802 is corresponded with unit head, and the corresponding unit head of each track is vertical.
Preferably, the support fixture 100 includes supporting frame 101, the upper end of support frame as described above body 101 is in inverted " v ", the upper end inverted " v " both sides of support frame as described above body 101 are equipped with mounting surface, the support block 103 being provided with some magnechucks 102 for being used to supporting and adsorbing workpiece, the upper end inverted " v " drift angle of support frame as described above body 101 for determining work centre line is detachably installed on the mounting surface；The locking fixture 200 includes locking support body 201, and the upper end of the locking support body 201 is in inverted " v ", and the upper end inverted " v " both sides of locking support body 201 are equipped with mounting surface；Support block 209 for determining work centre line is installed at the locking upper end inverted " v " drift angle of support body 201；The first actuating unit being provided with balladeur train 207, the locking support body 201 for promoting balladeur train 207 to slide is slidably connected on the mounting surface on locking support body 201 both sides, the power output shaft of first actuating unit is connected with balladeur train 207；The end of balladeur train 207 is fixedly installed pusher pawl 206；The lower surface of balladeur train 207 slidably connects slide plate 203, and the lower surface of the balladeur train 207 is fixedly installed the second actuating unit for promoting slide plate 203 to slide, and the power output shaft of second actuating unit is connected with slide plate 203；Tension grip 205 is fixedly installed in the end of the slide plate 203.
Further, the inverted " v " of support frame as described above body 101 and locking support body 201 upper end is corresponding with the inside angle of special-shaped workpiece；First actuating unit includes power source and the ball screw assembly, 208 connected by commutator 210 with power source, and the ball screw assembly, 208 connects balladeur train 207；Second actuating unit is hydraulic jack 204, and the body of hydraulic jack 204 is fixed on the lower surface of balladeur train 207, and the piston shaft of the hydraulic jack 204 is fixedly connected with slide plate 203.
Preferably, the auxiliary pressing mechanism includes being fixedly installed on the boudoir 301 of unit head and across the crane span structure 304 for standing on unit head 303, the madial wall of crane span structure 304 slidably connects the material-pressing rack 302 for performing binder action, and the material-pressing rack 302 is provided with slots with the coaxial semicircle of main shaft；The madial wall of crane span structure 304 is fixed with the 3rd actuating unit for being moved for material-pressing rack 302 and providing power, and the power output shaft of the 3rd actuating unit connects with material-pressing rack 302.
Further, the left and right madial wall of the crane span structure 304 respectively sets at least two line slideways 305, and the sliding block coordinated with line slideway 305 is fixedly connected with material-pressing rack 302；3rd actuating unit is hydraulic jack 303, and piston rod and the material-pressing rack 302 of hydraulic jack 303 are hinged.
Preferably, the unit head angle adjusting mechanism 400 includes positioning slide 404, it is fixedly installed on the positioning slide 404 on the locking device of the 4th actuating unit, arc-shaped guide rail 405 and arc-shaped guide rail rotation center, the 4th actuating unit and travelling gear 401 is installed；The sliding block coordinated with the arc-shaped guide rail 405 is fixedly connected with feed slide 402, unit head is fixed on the upper surface of the feed slide 402, the lower surface of the feed slide 402 is fixedly installed the half-ring gear 407 concentric with arc-shaped guide rail 405, and the feed slide 402 is connected with the locking device of arc-shaped guide rail rotation center；The half-ring gear 407 is engaged with travelling gear 401.
Further, the locking device of the arc-shaped guide rail rotation center is the turning gear 403 concentric with arc-shaped guide rail 405 or other arc-shaped guide rails concentric with arc-shaped guide rail 405；Locking device 406 is additionally provided with the positioning slide 404；The outside of half-ring gear 407 is provided with teeth, and inner side is provided with boss；The teeth in the outside of half-ring gear 407 are engaged with travelling gear 401；The boss of the inner side of half-ring gear 407 is fitted with the locking device 406 for locking unit head position.
Preferably, the both sides of lathe bed 1100 are provided with flush system footpost 1200, and the portal frame 800 is slidably connected with flush system footpost 1200.
Further, the flush system footpost 1200 includes linear rolling track 1201, driving rack 1202 and the 5th actuating unit 1203 of transmission power is provided for driving rack.
Wherein, support fixture is mainly made up of supporting frame, magnechuck, support block etc., and supporting frame uses welded-steel plate construction, and its upper end is inverted " V " type structure, the inside angle of angle correspondence special-shaped workpiece as shown in Figure 1（Drift angle）, it is θ（θ not 0 deg, non-90 degree）, inverted " v " two sides is machined with mounting surface, and multiple 250mm × 250mm square magnechuck is provided with thereon, and magnechuck can be according to specification of workpieces adjustment in the position of mounting surface.
Locking fixture is broadly divided into locking support body, pusher part and tension section, support body is locked to weld using steel plate, rigidity is strong, it is responsible for loaded work piece and clamping device, linear rolling track is installed on support frame, its pusher part is connected by balladeur train with linear rolling track, can be moved along workpiece short side vertical direction.Tension section is also equipped with the balladeur train of pusher part, short side is tensed after being withstood in pusher part on the inside of the short side of special-shaped workpiece two as shown in Figure 1.When locking fixture part works, pusher pawl and tension grip first should be apart from farthest, ball screw assembly, is connected by commutator with band-type brake motor or hydraulic motor and the balladeur train of both sides is promoted, pusher pawl can be released, so as to which internally the short side of special-shaped workpiece be held out against, inductive switch can be also installed on pusher pawl, sense and hold out against after short side, sender is to control system, control system control band band-type brake motor or hydraulic motor are automatically powered off and locking ball screw assembly, so as to the position of fixed pusher pawl, tension benchmark is provided for tension grip.After pusher pawl withstands workpiece short side, hydraulic jack starts, and pulls slide plate, so as to tense tension grip, and then tension grip is clamped workpiece short side, so that fixed short side position, prevents short side vibration in process.
Support fixture part is intervally arranged with locking fixture part on lathe, specific number is determined according to Workpiece length, it is responsible for loaded work piece and the fixed long side of special-shaped workpiece two as shown in Figure 1 in support fixture part, it is responsible for locking the short side of special-shaped workpiece two as shown in Figure 1 in locking fixture part, so as to fasten workpiece well, it is ensured that workpiece is not moved in process.
Auxiliary pressing mechanism central bridge so ensures that binder direction is maintained at same section with main-shaft axis, best binder effect is obtained, while not influenceing unit head drilling workpiece again across standing on unit head and being fastened by bolts on boudoir machined surface.Both sides are respectively machined with the mounting surface of linear rolling track and hydraulic jack inside crane span structure, and two linear rolling tracks and a hydraulic jack are respectively installed per side, and hydraulic jack is arranged between two linear rolling tracks.Line slideway is oriented to, and prevents unbalance loading.Fluting is coaxial with main shaft, so as to ensure that binder axis is consistent with drilling axis, replaceable binder block is provided with fluting to prevent effect of attrition binder stability.
Actuating unit band nutating gear is rotated in unit head angle-adjusting mechanism, and then feed slide is driven using the center of circle of arc-shaped guide rail as the center of circle arcuately guide rail rotation by half-ring gear, unit head is fixed on feed slide, therefore unit head is rotated also with feed slide along arc-shaped guide rail；When unit head goes to suitable machining angle, locking device locks the position of unit head, prevents unnecessary movement.
Beneficial effects of the present invention are：
The multidimensional numeric control rapid borer of the present invention is fixed using workpiece, the mode of portal frame movement, multidimensional special-shaped workpiece is fixed on lathe bed jointly using support fixture and locking fixture, portal frame is by two flush system footposts across standing on lathe bed and can be moved along Workpiece length direction, four unit heads of pendant on portal frame, its unit head is each perpendicular to one side of multidimensional special-shaped workpiece；Wherein portal frame crossbeam is provided with the unit head being provided with the unit head respectively set on two unit heads, two columns on a unit head, crossbeam on auxiliary material pressing device, column and is provided with unit head angle-adjusting mechanism, can change rotational angle with short side position.
The multidimensional numeric control rapid borer of the present invention not only facilitates the processing operation of special multidimensional special-shaped workpiece, improves machining accuracy, while improving production efficiency for later pipe tower processing industry, reduces labor intensity, labour cost is reduced accordingly.
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, the required accompanying drawing used in embodiment or description of the prior art will be briefly described below, apparently, drawings in the following description are only some embodiments of the present invention, for those of ordinary skill in the art, without having to pay creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 be it is a kind of be multidimensional special-shaped workpiece structural representation；
Fig. 2 is the structural representation of multidimensional numeric control rapid borer of the present invention；
Fig. 3 schematic diagrames of unit head mounting structure for portal frame in invention multidimensional numeric control rapid borer and thereon；
Fig. 4 is the structural representation of support fixture part in multidimensional numeric control rapid borer of the present invention；
Fig. 5 is the structural representation of locking fixture part in multidimensional numeric control rapid borer of the present invention；
Fig. 6 is Fig. 5 magnified partial view；
Fig. 7 is the structural representation of auxiliary pressing mechanism in multidimensional numeric control rapid borer of the present invention；
Fig. 8 is the structural representation of unit head angle-adjusting mechanism in multidimensional numeric control rapid borer of the present invention；
Fig. 9 is the structural representation of footpost in multidimensional numeric control rapid borer of the present invention.
Embodiment
Following examples are for processing the multidimensional numeric control rapid borer used in multidimensional special-shaped workpiece as shown in Figure 1；Other multidimensional special-shaped workpieces can be adjusted according to Workpiece structure.
Embodiment 1
As shown in Fig. 2, Fig. 3, Fig. 9, a kind of locking fixture 200 that multidimensional numeric control rapid borer includes being used for locking multidimensional special-shaped workpiece short side, the support fixture 100 for supporting workpiece and adsorbing fastening, the unit head auxiliary pressing mechanism 300 that the angle station 400 of angle turning function is provided for BT40 unit heads, the BT40 unit heads 500 of bore operation are carried out for short side, are used for workpiece pressing on BT50 unit heads 500, for the BT50 unit heads 600 to long side progress bore operation, by slug collection and the portal frame 800 of the chip cleaner 700 of lathe scope, load power head is sent out（Including two BT50 unit heads of load not lathe provide rigid support crossbeam 801, two BT40 unit heads of load and support beam column 802）, detection workpiece deformation with improve the detection means 900 of machining accuracy, facilitate operation machine observe process workbench 1000, load clamps and workpiece and provide processing datum plane lathe bed 1100, support portal frame and provide be longitudinally travelled basis flush system footpost 1200（Loaded including support and the linear rolling track 1201 of mobile guide is provided, transmitted the driving rack 1202 of power, the 5th actuating unit 1203 and travelling gear of power are provided）.
Multidimensional numeric control rapid borer uses rigid box formula gantry structure, because workpiece interface is excessive, and footpost flush system structure is employed to improve machine stability.
Based on lathe bed 1100, respectively place a flush system footpost 1200 in the both sides of lathe bed 1100, portal frame 800 is stood on flush system footpost 1200 across lathe bed 1100, and coupled by linear rolling track 1201, driving rack 1202 is provided between two linear rolling tracks, is engaged with to drive portal frame 800 to vertically move along workpiece by the reducing motor band nutating gear on column 802.Chip cleaner 700 is additionally provided between its lathe bed 1100 and footpost 1200, by slug collection and to send out lathe scope.
Portal frame 800 includes a crossbeam 801 and the two root posts 802 for support beam, and portal frame uses assembled structure, can greatly reduce processing and transport difficulty.
The upside of crossbeam 801 hangs with two on same section and angle is θ（θ not 0 deg, non-90 degree）BT50 unit heads 600, the boudoir of two BT50 unit heads 600 passes through the connecting cross beam 801 of linear rolling track 803；Its cushion type structure has extremely strong rigidity, is especially suitable for large-diameter high-speed drilling.Two BT50 unit heads 600 are vertical with two long sides of special-shaped workpiece as shown in Figure 1 respectively；The corresponding BT50 unit heads 600 of the corresponding guide rail of each BT50 unit heads 600 are vertical, and the position of BT50 unit heads 600 can be adjusted according to the size of multidimensional special-shaped workpiece.In addition, each BT50 unit heads 600 are also provided with auxiliary pressing mechanism 300 by its respective boudoir.Auxiliary pressing mechanism 300 can in boring procedure workpiece pressing, prevent workpiece trembles from bringing precision to lack.
As shown in fig. 7, in auxiliary pressing mechanism 300, the BT50 unit heads 600 for carrying out drilling operating use cushion type structure, and the structure is general drilling and milling machine common structure, with extremely strong rigidity, is especially suitable for drilling, Milling Process.Boudoir 301 is used to load BT50 unit heads 600 and crane span structure 304.The balancing cylinder 306 for balancing the weight of BT50 unit heads 600 is additionally provided with boudoir 1.
Crane span structure 304, which is bolted, to be arranged on boudoir 301, and crane span structure 304 is across standing on BT50 unit heads 600.Crane span structure 304 includes a crossbeam and two supporting surfaces, and the madial wall of two supporting surfaces is respectively provided with two line slideways 305, is fixedly connected with the sliding block that each line slideway 305 coordinates with performing the material-pressing rack 302 of binder action.The front end face of material-pressing rack 302 is provided with replaceable binder block.Material-pressing rack 302 is provided with slots with the coaxial semicircle of main shaft；Fluting is coaxial with main shaft, so as to ensure that binder axis is consistent with drilling axis, replaceable binder block is provided with fluting to prevent effect of attrition binder stability.
It is provided between the line slideway 305 of madial wall two of supporting surface on the mounting plane of hydraulic jack 303, each supporting surface and a hydraulic jack 303 is fixedly installed.The piston rod of each hydraulic jack 303 is hinged with material-pressing rack 302.
Due to the particularity of multidimensional special-shaped workpiece as shown in Figure 1, feeding pressure mechanism can not possibly be set in each machined surface vertical direction respectively, in invention, supportted using outside inside and be used as main binder mode, but because special-shaped workpiece as shown in Figure 1 has size big, specification is more, the characteristics of unilateral rigidity deficiency, it is infeasible only internally to carry out stretching, it is outside and without sufficient space mode fixed clamp, so it is most suitable selection to install auxiliary pressing mechanism in unit head position, simultaneously because unit head uses high-speed cutting, cut anti-interference poor, so preferably auxiliary pressing mechanism is built on boudoir, to obtain stronger rigidity, it will not interfere with unit head cutting operation simultaneously.Boudoir is used as reference for installation provided with machined surface, crane span structure is across standing on unit head and be fastened by bolts on boudoir machined surface, so ensure that binder direction is maintained at same section with main-shaft axis, best binder effect is obtained, while not influenceing unit head drilling workpiece again.The madial wall of crane span structure supporting surface is respectively machined with the mounting surface of linear rolling track and hydraulic jack, and two linear rolling tracks and a hydraulic jack are respectively installed per side, and hydraulic jack is arranged between two linear rolling tracks.Line slideway is oriented to, and prevents unbalance loading.
Each one BT40 unit head 500 of pendant on each column 802, BT40 unit heads 500 are connected by linear rolling track 804 with column 802, unit head angle-adjusting mechanism 400 is additionally provided between linear rolling track 804 and BT40 unit heads 500, the rotational angle on power head plane of BT40 unit heads 500 can be made, to adapt to change the short side position brought movement with workpiece size.
As shown in Figure 8, unit head angle-adjusting mechanism 400 includes the feed slide 402 of load BT40 unit heads 500 and feed unit, determine the turning gear 403 in corner axle center, the positioning slide 404 for driving BT40 unit heads 500 to be moved in standard away from direction, load BT40 unit heads 500 and feed slide 402 and the arc-shaped slide rail 405 that corner guiding is provided, after unit head goes to proper angle can locking power head locking device 406, it is responsible for the half-ring gear 407 of corner-moving, the reducing motor 408 of power is provided for corner, engage to provide the travelling gear 401 of angle turning function with half-ring gear 407.Wherein, the bottom surface of positioning slide 404 is connected with linear rolling track 804.
" L " shape structure that slide 404 is welded using steel plate is positioned, mounting plane is processed, arc-shaped guide rail 405 and turning gear 403 are fastened by bolts on mounting plane, and turning gear 403 is located at the home position of arc-shaped guide rail 405（More precisely, turning gear 403 and the motive of arc-shaped guide rail 405）, turning gear be responsible for lock the center of circle.Opened and circular mounting hole in positioning slide 404 front end, processing is provided with reducing motor 408 on the inside of the positioning slide of correspondence mounting hole.The output shaft of reducing motor 408 is provided with travelling gear 401, to transmit power thereon through positioning above slide 404.
The sliding block coordinated with arc-shaped guide rail 405 is bolted to connection feed slide 402, BT40 unit heads 500 are fixedly mounted in the upper surface of feed slide 402, the lower surface of feed slide 402 is fixedly installed the half-ring gear 407 concentric with arc-shaped guide rail 405, the outside of half-ring gear 407 is provided with teeth, inner side is provided with boss, and the teeth in the outside of half-ring gear 7 are engaged with travelling gear 401；Feed slide 402 is fixedly connected with the concentric position of half-ring gear by bolt with turning gear 403.
Be installed with hydraulic locking apparatus 406 on positioning slide 404, locking device 406 is located at the inner side of half-ring gear 407, its tiger's jaw is fitted with the boss on the inside of half-ring gear 407, when BT40 unit heads 500 go to after proper angle can locking power head, prevent unnecessary movement.
Reducing motor 408 is rotated with nutating gear 401, and then drives feed slide 402 by half-ring gear 407 with the center of circle of arc-shaped guide rail 405（Turning gear 403）For the center of circle, arcuately guide rail 405 is rotated, and BT40 unit heads 500 are fixed on feed slide 402, therefore BT40 unit heads 500 are rotated also with feed slide 402 along arc-shaped guide rail；When BT40 unit heads 500 go to suitable machining angle, locking device 406 locks the position of BT40 unit heads 500, prevents unnecessary movement.
It is a kind of embodiment of the present invention above, turning gear 403 therein can also be substituted using other arc-shaped guide rails concentric with arc-shaped guide rail 405, that is, using at least two concentric arc-shaped guide rails, can also so determine center of rotation.
In addition, reducing motor 408 can also be substituted using hydraulic motor, servomotor or corner oil cylinder.
BT50 unit heads and BT40 unit heads drive synchronous transmission device to drive high-speed main spindle to rotate by spindle motor, and its internal structure passes through optimization processing, and its high-speed main spindle rotating speed can reach 8000r/min.And the processing plane of two BT40 unit heads 500 and two BT50 unit heads 600 is generally aligned in the same plane.
As shown in figure 1, in a kind of multidimensional numeric control rapid borer, lathe bed 1100 is arranged at intervals with support fixture 100 and locking fixture 200.
As shown in Figure 4, support fixture 100 includes the supporting frame 101 for being used to support magnechuck 102, and supporting and adsorb the magnechuck 102 of workpiece, support workpiece centre position is used to determine the support block 103 of work centre line and the "T"-shaped nut 104 for connecting magnechuck 102 and supporting frame 101.
Supporting frame 101 is welded by steel plate, through Wetted constructures, and rigidity is strong, and stability is high, and the upper end of supporting frame 101 is in inverted " v ".Angle is corresponding with the drift angle of special-shaped workpiece as shown in Figure 1 at the inverted " v ".
The upper end inverted " v " both sides of supporting frame 101 are equipped with mounting surface, and mounting surface is provided with some "T"-shaped grooves, and some magnechucks 102 are detachably secured on the mounting surface of supporting frame 101 by "T"-shaped nut 104 respectively.Support block 103 for determining work centre line is installed at the upper end inverted " v " drift angle of supporting frame 101.Wherein, magnechuck 102 is 250mm*250mm square magnechuck.
Magnechuck 102 is fixed on the mounting surface of supporting frame 101 by "T"-shaped nut 104, the position on the mounting surface of supporting frame 101 wherein can be adjusted according to workpiece size, workpiece is placed directly on magnechuck 102 when placing, and provide absorption affinity by magnechuck, so as to fixed workpiece, the center line of locking workpiece is used as machining benchmark.
As shown in Figure 5, Figure 6, locking fixture 200 includes locking support body 201, and the upper end of locking support body 201 is in inverted " v ", and locking support body 201 upper end inverted " v " both sides are equipped with mounting surface.Support block 209 for determining work centre line is installed at the locking upper end inverted " v " drift angle of support body 201.
Two mounting surfaces of locking support body 201 are respectively provided with two line slideways 202, and the sliding block coordinated with line slideway 202 is fixedly connected with balladeur train 207.
The center for locking support body 201 is provided with commutator 210, and the power of commutator 210 uses band band-type brake motor or hydraulic motor, and commutator 210 connects balladeur train 207 by ball screw assembly, 208, promotes the movement of both sides mounting surface carriage 207.Using commutator 210 can safety action uniformity.
The end of balladeur train 207 is bolted setting pusher pawl 206, pusher pawl 206 is provided with induction installation, after sensing that pusher pawl 206 holds out against short side, sender is to control system, control system control band band-type brake motor or hydraulic motor are automatically powered off and locking ball screw assembly, 208, so that the position of fixed pusher pawl 206.
The sliding block that the lower surface of balladeur train 207 is provided with least two line slideways 202, the line slideway 202 is fixedly connected with slide plate 203.The lower surface of balladeur train 207, which is also bolted, is provided with hydraulic jack 204, and the body of hydraulic jack 204 is fixed on the lower surface of balladeur train 207, and the piston shaft of hydraulic jack 204 is fixedly connected with slide plate 203.Tension grip 205 is fixedly installed in the end of slide plate 203.
Locking fixture part is broadly divided into locking support body, pusher part and tension section, support body is locked to weld using steel plate, rigidity is strong, it is responsible for loaded work piece and clamping device, linear rolling track is installed on support frame, its pusher part is connected by balladeur train with linear rolling track, can be moved along workpiece short side vertical direction.Tension section is also equipped with the balladeur train of pusher part, short side is tensed after being withstood in pusher part on the inside of the short side of special-shaped workpiece two as shown in Figure 1.
When locking fixture part works, pusher pawl and tension grip first should be apart from farthest, ball screw assembly, is connected by commutator with band-type brake motor or hydraulic motor and the balladeur train of both sides is promoted, pusher pawl can be released, so as to which internally the short side of special-shaped workpiece be held out against, inductive switch can be also installed on pusher pawl, sense and hold out against after short side, sender is to control system, control system control band band-type brake motor or hydraulic motor are automatically powered off and locking ball screw assembly, so as to the position of fixed pusher pawl, tension benchmark is provided for tension grip.After pusher pawl withstands workpiece short side, hydraulic jack starts, and pulls slide plate, so as to tense tension grip, and then tension grip is clamped workpiece short side, so that fixed short side position, prevents short side vibration in process.
Former and later two material folding pawls of locking fixture part（Pusher pawl and tension grip）All it is packaged type, during material folding, short side inner edge is withstood by pusher pawl, the locked material folding pawl position, provides benchmark, then pusher pawl and tension grip are reversely tensed so as to be clamped for next step simultaneously, so as to which workpiece short side is fixed on benchmark, short side vibration in process is prevented.
Support fixture part is intervally arranged with locking fixture part on lathe, specific number is determined according to Workpiece length, it is responsible for loaded work piece and the fixed long side of special-shaped workpiece two as shown in Figure 1 in support fixture part, it is responsible for locking the short side of special-shaped workpiece two as shown in Figure 1 in locking fixture part, so as to fasten workpiece well, it is ensured that workpiece is not moved in process.
Lathe bed, flush system footpost, crossbeam, column, its section of power head box are square box shape, and by force analysis, its key component carries out reinforcement processing, through Wetted constructures, so as to greatly improve part stability, reduce the precision missing that the factors such as deformation are brought.
Unit head uses high-accuracy BT series of high speed main shafts, and precision is high, and the good and supporting BT cutters versatility of turning quality is wide, and practicality is high.By changing different types of BT shaft chisels, drill for high-speed, milling, line, Tapping Function on General can be conveniently accomplished.
Due to the particularity of multidimensional special-shaped workpiece as shown in Figure 1; the deformation such as warpage, distortion easily occur for its workpiece short side; for protection cutlery; improve machining accuracy; the multidimensional numeric control rapid borer of the present invention is additionally provided with detection means, and its detection means can be arranged on the BT40 unit heads of both sides, before processing pre-detection short side position; so as to the deformation of effective compensation workpiece, machining accuracy is improved.
For convenience of workman's manipulation, lathe is safeguarded, multidimensional numeric control rapid borer of the invention is also equipped with workbench, has both facilitated workman to monitor processing situation at any time, is easy to attended operation, also the security for workman provides more preferable guarantee.
Claims (10)
1. a kind of multidimensional numeric control rapid borer, including lathe bed（1100）, it is characterised in that：The lathe bed（1100）On be provided with some support fixtures（100）With some locking fixtures（200）, the support fixture（100）With locking fixture（200）It is spaced；The lathe bed（1100）On have the portal frame that can move back and forth along lathe bed（800）, the portal frame（800）Some unit heads are provided with, the machined surface of each unit head is generally aligned in the same plane and each unit head is vertical with each side of special-shaped workpiece respectively.
2. multidimensional numeric control rapid borer as claimed in claim 1, it is characterised in that：The portal frame（800）Including a crossbeam（801）And for the two root posts of support beam（802）；Partial power head passes through track and crossbeam（801）It is slidably connected, is arranged at crossbeam（801）On unit head be provided with auxiliary pressing mechanism（300）；Partial power head passes through track and column（802）It is slidably connected, is arranged at column（802）On unit head and column（802）On track between be provided with unit head angle-adjusting mechanism（400）；Crossbeam（801）Or column（802）On track and unit head correspond, the corresponding unit head of each track is vertical.
3. multidimensional numeric control rapid borer as claimed in claim 1, it is characterised in that：The support fixture（100）Including supporting frame（101）, support frame as described above body（101）Upper end be in inverted " v ", support frame as described above body（101）Upper end inverted " v " both sides, which are equipped with, is detachably provided with some magnechucks for being used to supporting and adsorbing workpiece on mounting surface, the mounting surface（102）, support frame as described above body（101）Support block for determining work centre line is installed at the inverted " v " drift angle of upper end（103）；The locking fixture（200）Including locking support body（201）, the locking support body（201）Upper end be in inverted " v ", the locking support body（201）Upper end inverted " v " two
While being equipped with mounting surface；The locking support body（201）Support block for determining work centre line is installed at the inverted " v " drift angle of upper end（209）；The locking support body（201）Balladeur train is slidably connected on the mounting surface on both sides（207）, the locking support body（201）On be provided with for promoting balladeur train（207）The first actuating unit slided, the power output shaft and balladeur train of first actuating unit（207）Connection；The balladeur train（207）End is fixedly installed pusher pawl（206）；The balladeur train（207）Lower surface slidably connects slide plate（203）, the balladeur train（207）Lower surface be fixedly installed for promoting slide plate（203）The second actuating unit slided, the power output shaft and slide plate of second actuating unit（203）Connection；The slide plate（203）End tension grip is fixedly installed（205）.
4. multidimensional numeric control rapid borer as claimed in claim 3, it is characterised in that：Support frame as described above body（101）With locking support body（201）The inverted " v " of upper end is corresponding with the inside angle of special-shaped workpiece；First actuating unit includes power source and passes through commutator（210）The ball screw assembly, connected with power source（208）, the ball screw assembly,（208）Connect balladeur train（207）；Second actuating unit is hydraulic jack（204）, the hydraulic jack（204）Body is fixed on balladeur train（207）Lower surface, the hydraulic jack（204）Piston shaft be fixedly connected with slide plate（203）.
5. multidimensional numeric control rapid borer as claimed in claim 2, it is characterised in that：The auxiliary pressing mechanism includes the boudoir for being fixedly installed on unit head（301）It is upper and across standing on unit head（303）Crane span structure（304）, the crane span structure（304）Madial wall slidably connects the material-pressing rack for performing binder action（302）, the material-pressing rack（302）It is provided with and is slotted with the coaxial semicircle of main shaft；The crane span structure（304）Madial wall is fixed with as material-pressing rack（302）Mobile the 3rd actuating unit that power is provided, the power output shaft and material-pressing rack of the 3rd actuating unit（302）Connect.
6. multidimensional numeric control rapid borer as claimed in claim 5, it is characterised in that：The crane span structure（304）Left and right madial wall respectively set at least two line slideways（305）, with line slideway（305）The sliding block and material-pressing rack of cooperation（302）It is fixedly connected；3rd actuating unit is hydraulic jack（303）, hydraulic jack（303）Piston rod and material-pressing rack（302）It is hinged.
7. multidimensional numeric control rapid borer as claimed in claim 2, it is characterised in that：The unit head angle adjusting mechanism（400）Including positioning slide（404）, the positioning slide（404）On be fixedly installed the 4th actuating unit, arc-shaped guide rail（405）With the locking device of arc-shaped guide rail rotation center, travelling gear is installed on the 4th actuating unit（401）；With the arc-shaped guide rail（405）The sliding block of cooperation is fixedly connected with feed slide（402）, unit head is fixed on the feed slide（402）Upper surface, the feed slide（402）Lower surface be fixedly installed and arc-shaped guide rail（405）Concentric half-ring gear（407）, the feed slide（402）It is connected with the locking device of arc-shaped guide rail rotation center；The half-ring gear（407）With travelling gear（401）Engagement.
8. multidimensional numeric control rapid borer as claimed in claim 7, it is characterised in that：The locking device of the arc-shaped guide rail rotation center is and arc-shaped guide rail（405）Concentric turning gear（403）Or and arc-shaped guide rail（405）Other concentric arc-shaped guide rails；The positioning slide（404）On be additionally provided with locking device（406）；The half-ring gear（407）Outside is provided with teeth, and inner side is provided with boss；The half-ring gear（407）The teeth and travelling gear in outside（401）Engagement；The half-ring gear（407）The boss of inner side and the locking device for locking unit head position（406）Laminating.
9. multidimensional numeric control rapid borer as claimed in claim 1, it is characterised in that：The lathe bed（1100）Both sides are provided with flush system footpost（1200）, the portal frame（800）With flush system footpost（1200）It is slidably connected.
10. multidimensional numeric control rapid borer as claimed in claim 9, it is characterised in that：The flush system footpost（1200）Including linear rolling track（1201）, driving rack（1202）And the 5th actuating unit of transmission power is provided for driving rack（1203）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610168694.9A CN107225408A (en) | 2016-03-23 | 2016-03-23 | A kind of multidimensional numeric control rapid borer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610168694.9A CN107225408A (en) | 2016-03-23 | 2016-03-23 | A kind of multidimensional numeric control rapid borer |
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| CN107225408A true CN107225408A (en) | 2017-10-03 |
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| CN201610168694.9A Pending CN107225408A (en) | 2016-03-23 | 2016-03-23 | A kind of multidimensional numeric control rapid borer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112658702A (en) * | 2020-12-24 | 2021-04-16 | 广东普拉迪科技股份有限公司 | Horizontal machining center |
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