Four-axle linked vertical carving Milling Machining center
The utility model relates to a kind of production equipment of machining, specifically a kind of four-axle linked vertical carving Milling Machining center for automatically carving milling operation.
Carving Machining is craftsman's type work of the mankind's high skill and high intelligence, but hand engraving needs technical professional, and inefficiency, cost are high, and the randomness of goods is strong, uniformity is poor, seriously constrains the development of engraving industry.This makes the generation of engraving machine become inevitable.
Along with the progress of science and technology, the development of computer numerical control technology, digital-controlled carving machine arises at the historic moment.Digital-controlled carving machine is the product that Numeric Control Technology and artistic carving combine, and is a kind of special Digit Control Machine Tool.Digital-controlled carving machine controls engraving machine action by digital control system according to program code, realizes the automation of Carving Machining.
Carving Milling Machining center for carving milling operation develops from digital-controlled carving machine.Be that machining center has the ability automatically exchanging process tool with the maximum difference of digital-controlled carving machine, by installing the cutter of different purposes on tool magazine, in clamped one time, the process tool on main shaft can be changed by automatic tool changer, realize multiple machining functions.Machining center intensively, automatically can complete the working procedures such as milling, boring, spot-facing, fraising, bore hole, tapping, avoid artificial operate miss, decrease the regulation time of clamping workpiece, measurement and lathe, substantially increase working (machining) efficiency and machining accuracy.Therefore, carving Milling Machining center has become the automation of carving Milling Machining, high efficiency, high-precision effective means, is widely used in the industries such as mould, light industry, machinery, carpenter's furniture, electronics.
Summary of the invention
The purpose of this utility model is to improve Mould Machining efficiency, promoting mould and die accuracy, developing a kind of four-axle linked vertical carving Milling Machining center for automatically carving milling operation targetedly.
The utility model, is made up of PC, control system and machine tool main body, and described machine tool main body comprises under-chassis, column, crossbeam, X-axis mechanism, Z-axis mechanism, B axis mechanism, C axis mechanism and tool magazine device; Welding machine tool substrate above under-chassis, column is bolted on substrate both sides, and cross beam frame is on column, and by bolt link, column and crossbeam form fixing gantry; X-axis mechanism by bolt link on crossbeam; Z-axis mechanism by bolt link in X-axis mechanism; B axis mechanism by bolt link on Z-axis mechanism; C axis mechanism is arranged on lathe substrate, in the front of right side uprights, is provided with tool magazine pedestal, and tool magazine pedestal is bolted on lathe substrate; Described tool magazine device is arranged on tool magazine pedestal.On tool magazine pedestal, be provided with tool setting gauge, in the lower end of tool magazine device, connection reducer and motor be installed.
The beneficial effects of the utility model are:
1) under-chassis, column, crossbeam three are combined into one by bolt and electric welding, and a fine finishining is shaping, and machine body good rigidly, precision are high;
2) X-axis mechanism, Z-axis mechanism inside adopt ball screw auxiliary driving, line slideway auxiliary guiding and load-bearing, and are furnished with grating scale, and positional precision is high, deviation is little;
3) B axis mechanism inside adopts two synchronous belt pulley transmissions, drives electro spindle to swing, and slows down with harmonic speed reducer, makes that electro spindle swings steadily, precision is high;
4) C axis mechanism inside adopts gear shaft engagement turntable bearing to drive, and compact conformation, bearing load are large; Be provided with High Precision Automatic to heart chuck above workbench, for three-paw quick card engaging workpiece on turntable, location fast, accurately, is installed, is dismantled workpiece flexibly and fast;
5) machining shaft adopts High Rotation Speed electro spindle, is applicable to the various material of Carving Machining: steel, nonferrous heavy, aluminium, wood and plastics etc.;
6) four axis mechanisms all adopt servomotor (servo-drive system) to drive, and control performance is good, precision is high.
The utility model, firm in structure, reasonable, overall precision is high, has the features such as structural rigidity is good, good processing accuracy, working (machining) efficiency are high, easy to maintenance, and can normal work continuously steady in a long-term in industrial settings.Both can process fine work tire two half module, side plate, the circular product such as non-heavy metal, wood, plastics can have been processed again.
Accompanying drawing explanation
Fig. 1-Fig. 3 is the structure principle chart of embodiment, and wherein, Fig. 1 is front view, and Fig. 2 is top view, and Fig. 3 is left view; Fig. 4 is X-axis mechanism and Z-axis mechanism structural representation; Fig. 5 is the structure schematic diagram of Fig. 4; Fig. 6 is B axis mechanism structural representation; Fig. 7 is Z-axis mechanism structural representation.
In figure, 01, under-chassis; 02, lathe substrate; 03, column; 04, crossbeam; 05, X-axis mechanism; 06, Z-axis mechanism; 07, B axis mechanism; 08, reed organ type dust-proof cover; 09, electro spindle; 10, cutter; 11, tool magazine; 12, decelerator; 13, tool magazine motor; 14, tool setting gauge; 15, tool magazine pedestal; 16, C axis mechanism; 17, X-axis motor; 18, X-axis shaft coupling; 19, X-axis ball screw is secondary; 20, X-axis planker; 21, X-axis line slideway auxiliary; 22, X-axis grating scale; 23, X-axis slide plate; 24, Z axis motor; 25, Z axis shaft coupling; 26, Z axis grating scale; 27, Z axis planker; 28, Z axis ball wire bar pair; 29, Z axis line slideway auxiliary; 30, Z axis slide plate; 31, B axle spindle drum; 32, small synchronous pulley; 33, Timing Belt; 34, harmonic speed reducer; 35, large synchronous pulley; 36, B axle shaft coupling; 37, B spindle motor; 38, electric spindle support; 39, workbench; 40, C shaft gear axle; 41, gear meshing device; 42, C axle base; 43, turntable bearing; 44, gear oiling device; 45, planetary reduction gear; 46, C axle motor.
Detailed description of the invention
With reference to Fig. 1-Fig. 3, a kind of four-axle linked vertical carving Milling Machining center for automatically carving milling operation, be made up of PC, control system and machine tool main body, wherein, machine tool main body comprises under-chassis 01, column 03, crossbeam 04, X-axis mechanism 05, Z-axis mechanism 06, B axis mechanism 07, C axis mechanism 16 and tool magazine device 11; Under-chassis 01 is welding machine tool substrate 02 above, and column 03 is bolted on substrate both sides, and crossbeam 04 frame is on column 03, and by bolt link, column and crossbeam form fixing gantry; X-axis mechanism 05 by bolt link on crossbeam 04; Z-axis mechanism 06 by bolt link in X-axis mechanism 05; B axis mechanism 07 by bolt link on Z-axis mechanism 06; C axis mechanism 16 is arranged on lathe substrate 02, in the front of right side uprights 03, is provided with tool magazine pedestal 15, and tool magazine pedestal 15 is bolted on lathe substrate 02; Described tool magazine device 11 is arranged on tool magazine pedestal 15.On tool magazine pedestal 15, be provided with tool setting gauge 14, in the lower end of tool magazine device 11, connection reducer 12 and motor 13 be installed.
With reference to Fig. 4 and Fig. 5, X-axis mechanism 05 is formed primarily of X-axis planker 20 and X-axis slide plate 23, X-axis planker 20 back side and crossbeam 04 link, in the middle of X-axis planker 20, ball wire bar pair 19 is installed, a set of line slideway auxiliary 21 is respectively installed in screw pair both sides, and the nut of screw pair and the slide block (two pieces, side) of guideway are arranged on X-axis slide plate 23; Reed organ type dust-proof cover 08 is installed in X-axis slide plate 23 left and right sides; X-axis motor 17 is connected with ball wire bar pair 19 by X-axis shaft coupling 18; Z-axis mechanism 06 is similar with X-axis mechanism 05, form primarily of Z axis planker 27 and Z axis slide plate 30, install ball wire bar pair 28 in the middle of Z axis planker 27, a set of line slideway auxiliary 29 is respectively installed in screw pair both sides, and the nut of screw pair and the slide block (two pieces, side) of guideway are arranged on Z axis slide plate 30; Reed organ type dust-proof cover 08 is installed in Z axis slide plate about 30 both sides; Z axis motor 24 is connected with ball wire bar pair 29 by Z axis shaft coupling 25; Z axis slide plate 30 connects fixing by bolt and X-axis slide plate 23.
Form primarily of electro spindle 09, B axle spindle drum 31, small synchronous pulley 32, large synchronous pulley 35 with reference to Fig. 6, B axis mechanism 07; B axle spindle drum 31 is linked by T-shaped bolt and Z axis planker, spindle drum hollow, installs small synchronous pulley 32, B spindle motor 37 be connected with small synchronous pulley 32 by B axle shaft coupling 36 in center; Large synchronous pulley 35 is installed in spindle drum lower end, and large small synchronous pulley is linked by Timing Belt 33 and forms transmission; Harmonic speed reducer 34 side is installed by bolt and is linked with large synchronous pulley 35, and opposite side and electric spindle support 38 link; Electric spindle support 38 hollow, side thickness is slotted, and drilling-tapping, electro spindle 09 is through electric spindle support 38, and support clamps electro spindle by bolt.
With reference to Fig. 7, C axis mechanism 16 is formed primarily of workbench 39, C shaft gear axle 40, C axle base 42, turntable bearing 43, C axle base 42 by bolt link on lathe substrate 02, workbench 39 is placed on base, turntable bearing 43 is arranged in the middle of base and workbench, turntable bearing 43 inner ring is bolted on base, and outer ring is connected with workbench; At turntable bearing 43 outer ring place, be also provided with gear oiling device 44, be arranged on base; C axle base 42 is holed, and gear shaft 40 engages with turntable bearing 43 through base, and base back surface installs gear meshing device 41, can finely tune gear shaft 40 position; Gear shaft 40 lower end assembling planetary reduction gear 45 and C axle motor 46.
The utility model, its operation principle is as follows: according to shape and the processing technology of processing parts, with code and the program format coding list of regulation, then by program single input to control system, control system is by after program process, servo-drive system to each axle of lathe sends the signal with power, controlled working central host generate X, Z two to mobile route and B, C two to rotary motion.High Rotation Speed electro spindle simultaneously on machining center, by supporting stage property, the mould be fixed on host work platform 39 is cut, the relief pattern and word that mill out various plane or the solid designed in a computer can be carved, realize carving milling automated job.Wherein X-axis and Z axis are placed on the framework of cross, all adopt ball leading screw driving and line slideway auxiliary guiding in the driving-chain of diaxon, and the transmission that ensure that motion steadily and compact conformation.Screw mandrel one end is connected by shaft coupling and servo motor shaft, by driven by servomotor screw mandrel, is rectilinear motion by convert rotational motion, thus realize X-axis, Z-axis mechanism X to moving horizontally and the moving up and down of Z-direction; The screw mandrel other end adopts bearing for supporting.Wherein the small synchronous pulley 32 of B axle is connected by B axle shaft coupling 36 and B spindle motor axle 37, and large synchronous pulley 35 is connected by Timing Belt 33 and small synchronous pulley, is rotated, thus drive electro spindle 09 circle swing by the large small synchronous pulley of driven by servomotor.B axle makes electro spindle perpendicular to any position of die surface.Wherein the gear shaft 40 of C axle is connected by planetary reduction gear 45 and C axle motor axle 46, and outer ring and the workbench 39 of turntable bearing 43 connect, and engage with gear shaft, are rotated by driven by servomotor gear shaft, thus drives workpiece on workbench and platform to rotate.The wherein automatic tool preset of tool setting gauge: electro spindle carries cutter touching tool setting gauge surface, can realize control that is quick, accurate, that automatically measure tool length and different workpieces, need not preset cutter parameters again.
The to sum up Union Movement of four axles, completes mould engraving task.This machining center four axle stroke is: X moves left and right 700mm, Z-direction moves up and down 400mm, B to 180 ° of swings, C to 360 ° of rotations, can meet the engraving operation of most conventional mould.