CN103433748A - Large vertical type numerical control boring and milling planomiller - Google Patents
Large vertical type numerical control boring and milling planomiller Download PDFInfo
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- CN103433748A CN103433748A CN2013103632687A CN201310363268A CN103433748A CN 103433748 A CN103433748 A CN 103433748A CN 2013103632687 A CN2013103632687 A CN 2013103632687A CN 201310363268 A CN201310363268 A CN 201310363268A CN 103433748 A CN103433748 A CN 103433748A
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Abstract
The invention discloses a large vertical type numerical control boring and milling planomiller. The large vertical type numerical control boring and milling planomiller comprises a base and a numerical control system. An X-axis main sliding platform and an X-axis servo motor which drives the X-axis main sliding platform to slide in the X-axis direction are arranged on the base, a left gantry stand column and a right gantry stand column are arranged on the two sides of the base respectively, a beam is connected to the left gantry stand column and the right gantry stand column, a Y-axis numerical control sliding platform and a Y-axis servo motor which drives the Y-axis main sliding platform to slide in the Y-axis direction are arranged on the beam, a Z-axis numerical control sliding platform and a Z-axis servo motor which drives the Z-axis numerical control sliding platform to slide in the Z-axis direction are arranged on the Y-axis main sliding platform, a boring and milling head main shaft is arranged in the Z-axis numerical control sliding platform, a main shaft boring and milling tool bit is arranged at the lower end of the boring and milling head main shaft, the upper end of the boring and milling head main shaft is connected with a broach oil cylinder, and the boring and milling head main shaft is further connected with a main shaft servo motor through a main shaft mechanical reduction gearbox. The large vertical type numerical control boring and milling planomiller is reasonable in arrangement, strong in overall rigidity and high in positioning accuracy.
Description
Technical field
The present invention relates to a kind of mechanical processing machine, relate in particular to a kind of boring and milling of the large-sized gantry vertical numerical control applicable to the large and medium-sized part Roughing and fine machining in automobile, metallurgy, wind-powered electricity generation, boats and ships, coal mine machinery, engineering machinery lathe.
Background technology
At present, gantry boring and milling lathe is the machining equipment that integrates the advanced technologies such as mechanical, electrical, liquid, is applicable to industry semifinishing and the fine finishining such as heavy-duty machine, locomotive, generating, lathe, automobile, mould, also can be used for roughing.Analyzing examples, the plane milling and boring machine general structure is comprised of a portal frame, portal frame forms rigid frame by two columns, moved cross beam, tie-beam, transverse slide carriage and milling head ram, the configuration multi-functional ram formula of a vertical type high-power vertical up-or-down movement (Z axis) on crossbeam, the vertical spindle boring and milling head outer, the slide carriage of boring and milling head outer is along beam guideway side-to-side movement (Y-axis); The gantry frame below is along lathe bed table longitudinal movement (X-axis).But, manufacture the demand in field according to state key industry core, this type of device target should be control specific machine and flexible manufacturing system thereof, and a lot of existing equipments can't be applicable to the accurately machined needs of the large and medium-sized part of every profession and trade.Therefore, for above aspect, need to carry out reasonably improving and promoting to prior art.
Summary of the invention
For above defect, the present invention propose a kind of rationally distributed, the complete machine rigidity is strong, bearing capacity is large, positioning precision is high, running noise is little, can adapt to the large-sized gantry vertical numerical control boring and milling lathe of diversified processing.
For achieving the above object, the present invention is by the following technical solutions:
A kind of large-sized gantry vertical numerical control boring and milling lathe, comprise base and digital control system, the X-axis servomotor that described base is provided with X-axis master slide unit and drives described X-axis master's slide unit to slide along X-direction, the both sides of described base are provided with gantry left column and gantry right column, establish and be connected with crossbeam on described gantry left column and gantry right column, the Y-axis servomotor that described crossbeam is provided with the Y-axis nc sliding table and drives described Y-axis master's slide unit to slide along Y direction; The Z axis servomotor that described Y-axis master's slide unit is provided with the Z axis nc sliding table and drives described Z axis nc sliding table to slide along Z-direction; In described Z axis nc sliding table, the boring and milling head outer main shaft is installed, main shaft boring and milling cutter head is installed in the lower end of described boring and milling head outer main shaft, and upper end connects the broaching tool oil cylinder, and described boring and milling head outer main shaft also connects spindle servo electric machine by the spindle machine reduction box.
Large-sized gantry vertical numerical control boring and milling machine bed accessory according to the present invention has X-axis, Y-axis, and three basic rectilinear coordinates axles of Z axis, each reference axis all can Digital Control be located automatically.After the part by one-step clamping, can automatically complete boring, mill, the multistage manufacturing processes such as brill, strand, can also need to be equipped with suitable accessory head (right-angle milling head, universal milling head, etc. the accessories mill-head of multiple special shape) according to the user and realize polyhedral fine finishining.That large-sized gantry vertical numerical control boring and milling machine bed accessory of the present invention has is rationally distributed, the complete machine rigidity strong, guide rail adopts that totally-enclosed barrier propterty is better, cutting and cooling fluid reclaim the advantages such as convenience, ne-leakage; High, the complete servo-drive performance of positioning precision is good, bearing capacity reaches greatly the cutting antivibration simultaneously; Can fully guarantee a series of synthesis precisions such as linearity, the depth of parallelism, perpendicularity of lathe.
Large-sized gantry vertical numerical control boring and milling lathe according to the present invention can also have following additional technical feature:
Preferably, between described base and X-axis master slide unit, between crossbeam and Y-axis nc sliding table and between Y-axis nc sliding table and Z axis nc sliding table, all adopt guide rail mode to be connected.
Preferably, adopt the structure of load-carrying rolling line slideway between described base and X-axis master slide unit, be provided with two guide rails on the width of base; Adopt the structure of the hard rail that slides between described crossbeam and Y-axis nc sliding table; Adopt the rail plate auxiliary structure of laminating form between described Y-axis nc sliding table and Z axis nc sliding table.
Preferably, described X-axis servomotor, Y-axis servomotor and Z axis servomotor all are connected with ball screw assembly.
Preferably, also comprise protector, described protector is protective cover, and described protective cover is located at the outside of the guide rail at the guide rail of described base position and crossbeam place.
Preferably, also comprise lubricating system, magnetic automatic chip-removal system and cooling system.
Preferably, also comprise the Z axis bascule, it comprises two balance chains, two sprocket wheels that are fixed on Z axis nc sliding table top, and the sprocket wheel that described balance chain is walked around its top is connected with the nitrogen balance oil cylinder.
Preferably, described numerical control operating screen adopts Central China HNC-21MD milling digital control system.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
The accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the agent structure front view of large-sized gantry vertical numerical control boring and milling lathe of the present invention;
Fig. 2 is the agent structure side view of large-sized gantry vertical numerical control boring and milling lathe of the present invention;
Fig. 3 is large-sized gantry vertical numerical control boring and milling lathe cross nc sliding table of the present invention and main axle structure front view;
Fig. 4 is large-sized gantry vertical numerical control boring and milling lathe cross nc sliding table of the present invention and main axle structure left view;
Fig. 5 is large-sized gantry vertical numerical control boring and milling lathe cross nc sliding table of the present invention and main axle structure profile.
Description of reference numerals:
1, gantry right column; 2, gantry left column; 3, Y-axis nc sliding table; 4, main shaft boring and milling cutter head; 5, X-axis master slide unit; 6, X-axis ball-screw; 7, base; 8, numerical control operating screen; 9, Y-axis ball-screw; 10, crossbeam; 11, spindle servo electric machine; 12, Y-axis servomotor; 13, Z axis servomotor; 14, X-axis servomotor; 15, Z axis nc sliding table; 16, boring and milling head outer main shaft; 17, spindle machine reduction box; 18, Z axis balance chain; 19, broaching tool oil cylinder; 20, ram; 21, planker.
The specific embodiment
Below describe embodiments of the invention in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label means same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, term " on ", orientation or the position relationship of the indications such as D score, 'fornt', 'back', " left side ", " right side ", " vertically ", " level ", " top ", " end " be based on orientation shown in the drawings or position relationship, be only the present invention for convenience of description rather than require the present invention with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In description of the invention, unless otherwise prescribed and limit, it should be noted that, term " installation ", " being connected ", " connection " should be done broad understanding, for example, can be mechanical connection or electrical connection, can be also the connection of two element internals, can be directly to be connected, and also can indirectly be connected by intermediary, on equipment between adjacent two devices by process medium, for example the contact of Copper Foil, enamel-covered wire or adhesive plaster also is referred to as " being connected " or " connection ".For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
Below with reference to Fig. 1-5, the large-sized gantry vertical numerical control boring and milling lathe according to the embodiment of the present invention is described.As Figure 1-5, it comprises base 7 and digital control system, the X-axis servomotor 14 that described base 7 is provided with X-axis master slide unit 5 and drives described X-axis master's slide unit 5 to slide along X-direction, the both sides of described base 7 are provided with gantry left column 2 and gantry right column 1, establish and be connected with crossbeam 10 on described gantry left column 2 and gantry right column 1, the Y-axis servomotor 12 that described crossbeam 10 is provided with Y-axis nc sliding table 3 and drives described Y-axis master's slide unit to slide along Y direction; The Z axis servomotor 13 that described Y-axis master's slide unit is provided with Z axis nc sliding table 15 and drives described Z axis nc sliding table 15 to slide along Z-direction; In described Z axis nc sliding table 15, boring and milling head outer main shaft 16 is installed, main shaft boring and milling cutter head 4 is installed in the lower end of described boring and milling head outer main shaft 16, and upper end connects broaching tool oil cylinder 19, and described boring and milling head outer main shaft 16 also connects spindle servo electric machine 11 by spindle machine reduction box 17.
Large-sized gantry vertical numerical control boring and milling machine bed accessory according to the present invention has X-axis, Y-axis, and three basic rectilinear coordinates axles of Z axis, each reference axis all can Digital Control be located automatically.After the part by one-step clamping, can automatically complete boring, mill, the multistage manufacturing processes such as brill, strand, can also need to be equipped with suitable accessory head (right-angle milling head, universal milling head, etc. the accessories mill-head of multiple special shape) according to the user and realize polyhedral fine finishining.
The large part such as described base 7, X-axis master's slide unit 5, Y-axis nc sliding table 3 and Z axis nc sliding table 15, gantry left column 2, gantry right column 1, crossbeam 10, planker 21, square ram 20 all adopts high-strength cast iron material and resin sand cast, adopt rational reinforcing plate structure design, and secondary failure technique after employing roughing, guarantee the high rigidity of lathe integral body, high stability.
Between described base 7 and X-axis master slide unit 5, between crossbeam 10 and Y-axis nc sliding table 3 and between Y-axis nc sliding table 3 and Z axis nc sliding table 15, all adopt guide rail mode to be connected.Guide rail mode connection positioning precision is high, bearing capacity is large.
According to preferred exemplary of the present invention, adopt the structure of load-carrying rolling line slideway between described base 7 and X-axis master slide unit 5, be provided with two guide rails on the width of base 7.Hence one can see that, and positioning precision is high, and the servo-drive performance is excellent; Carrying simultaneously can be large, the cutting antivibration.The load-carrying rolling line slideway and the ball screw assembly, that adopt Taiwan to produce.Adopt the structure of the hard rail that slides between described crossbeam 10 and Y-axis nc sliding table 3.Crossbeam 10 is as determining the important design feature of beam gantry digital control vertical boring and milling lathe, and it directly affects the retentivity of precision and the precision of complete machine, the secondary hard rail that slides that adopts of Y-axis cross slide way, and bearing capacity is large, good rigidly, synthesis precision is good.Adopt the rail plate auxiliary structure of laminating form between described Y-axis nc sliding table 3 and Z axis nc sliding table 15.Y-axis nc sliding table 3 adopts heavy in section to have extremely strong rigidity, the secondary rail plate pair that adopts the guide rail high-frequency quenching to stick on moulding formula of Z axis vertical guide rail.The closely sealed contact in four sides between Z axis nc sliding table 15 and Y-axis nc sliding table 3, good rigidly, and ensure cutting force and machining accuracy preferably.
Boring and milling head outer main shaft 16 adopts the rigidity main axle unit, and the two bearings supporting spacing is large, good rigidly, stable cutting.Mechanical reducer, configuration servo principal axis motor, power of motor: N=15kw, the machining torque power is large, is applicable to quick machining.
Described X-axis servomotor 14, Y-axis servomotor 12 and Z axis servomotor 13 all are connected with ball screw assembly,, are respectively X-axis ball-screw 6, Y-axis ball-screw 9 and Z axis ball screw, and their specification is respectively: X:10016; Z:5010; Y:6310.
According to an example of the present invention, also comprise protector, described protector is protective cover, described protective cover is located at the outside of the guide rail at the guide rail at described base 7 places and crossbeam 10 places.Preferably, described protective cover is totally-enclosed stainless steel protective cover.
According to an example of the present invention, also comprise lubricating system, magnetic automatic chip-removal system and cooling system.The machine adopted centralized lubrication, select the Bei Qier lubrication station.The magnetic automatic chip-removal system that lathe is provided with, concentrate chip removal, and the cooling fluid reflux cycle is used, and is convenient to field management.
According to an example of the present invention, also comprise the Z axis bascule, it comprises two balance chains, two sprocket wheels that are fixed on Z axis nc sliding table top, the sprocket wheel that described balance chain is walked around its top is connected with the nitrogen balance oil cylinder.Its effect is to offset the Action of Gravity Field that the Z axis slide unit descends.
According to an example of the present invention, described numerical control operating screen 8 adopts Central China HNC-21MD milling digital control system.Its programming is simple, easy to operate, can meet the lathe instructions for use.All the other electric elements adopt domestic famous brand name.Guidance panel and push-button station: suspension type guidance panel, easy to operate good looking appearance.
Fill cross slid platform according to the machine adopted of the embodiment of the present invention on gantry beam 10 and make upper and lower (Z axis) left and right (Y-axis) feed on cross slid platform of vertical Special borer milling head; Both X-axis that seesaws of platen are realized by base 7 numerical control master slide units.Above each motor all can servo speed governing machining control.
Electrical Control of Machinery Tools form according to the embodiment of the present invention: numerical control; Maneuverability pattern: lathe can be according to processing object to the numerical control of being programmed of each axle, to realize single action and interlock; Also can carry out manually controlling separately to each motor.Control system should be provided with position limitation protection, overload protection, and each axle has interlock function when manual.
Lathe servomotor quantity and the power of the embodiment of the present invention:
Between boring and milling head outer main shaft 16 and spindle servo electric machine 11 and spindle machine reduction box 17 by gear drive.The power of motor of servo principal axis motor: N=15kw, maximum speed 600r/min, max. output torque: 1057.58Nm.
Y-axis nc sliding table 3 and Z axis nc sliding table 15 form " cross slid platform ", Y-axis servomotor 12 maximum speeds: 2000r/min, torque: moment of torsion 70Nm, power N=14.3KW; Z axis servomotor 13 maximum speeds: 2000r/min, moment of torsion: 37Nm, power N=6.7KW.
Machine tool hydraulic system: be mainly used in the broaching tool oil cylinder 19 that Z axis balancing cylinder and boring and milling head outer tool changing are used, the cylinder diameter φ 120 of broaching tool oil cylinder 19, stroke 20, outlet diameter (φ 8) M10X1, oil cylinder piston translational speed 2m/min, power of motor N=3KW.
The lathe working cycles: hydraulic starting → by loose cutter button → unload cutter → by broaching tool button → dress cutter.With pressure switch (pressure switch is arranged on Hydraulic Station) control system pressure, with travel switch, control the oil cylinder impulse stroke.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that do not break away from principle of the present invention and aim can be carried out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited by claim and equivalent thereof.
Claims (8)
1. a large-sized gantry vertical numerical control boring and milling lathe, comprise base and digital control system, it is characterized in that, the X-axis servomotor that described base is provided with X-axis master slide unit and drives described X-axis master's slide unit to slide along X-direction, the both sides of described base are provided with gantry left column and gantry right column, establish and be connected with crossbeam on described gantry left column and gantry right column, the Y-axis servomotor that described crossbeam is provided with the Y-axis nc sliding table and drives described Y-axis master's slide unit to slide along Y direction; The Z axis servomotor that described Y-axis master's slide unit is provided with the Z axis nc sliding table and drives described Z axis nc sliding table to slide along Z-direction; In described Z axis nc sliding table, the boring and milling head outer main shaft is installed, main shaft boring and milling cutter head is installed in the lower end of described boring and milling head outer main shaft, and upper end connects the broaching tool oil cylinder, and described boring and milling head outer main shaft also connects spindle servo electric machine by the spindle machine reduction box.
2. large-sized gantry vertical numerical control boring and milling lathe according to claim 1, is characterized in that, between described base and X-axis master slide unit, between crossbeam and Y-axis nc sliding table and between Y-axis nc sliding table and Z axis nc sliding table, all adopts guide rail mode to be connected.
3. large-sized gantry vertical numerical control boring and milling lathe according to claim 2, is characterized in that, adopts the structure of load-carrying rolling line slideway between described base and X-axis master slide unit, is provided with two guide rails on the width of base; Adopt the structure of the hard rail that slides between described crossbeam and Y-axis nc sliding table; Adopt the rail plate auxiliary structure of laminating form between described Y-axis nc sliding table and Z axis nc sliding table.
4. large-sized gantry vertical numerical control boring and milling lathe according to claim 2, is characterized in that, described X-axis servomotor, Y-axis servomotor and Z axis servomotor all are connected with ball screw assembly.
5. large-sized gantry vertical numerical control boring and milling lathe according to claim 2, is characterized in that, also comprise protector, described protector is protective cover, and described protective cover is located at the outside of the guide rail at the guide rail of described base position and crossbeam place.
6. large-sized gantry vertical numerical control boring and milling lathe according to claim 1, is characterized in that, also comprises lubricating system, magnetic automatic chip-removal system and cooling system.
7. large-sized gantry vertical numerical control boring and milling lathe according to claim 1, it is characterized in that, also comprise Z axis slide unit bascule, it comprises two balance chains, two sprocket wheels that are fixed on Z axis nc sliding table top, and the sprocket wheel that described balance chain is walked around its top is connected with the nitrogen balance oil cylinder.
8. large-sized gantry vertical numerical control boring and milling lathe according to claim 1, is characterized in that, described numerical control operating screen adopts Central China HNC-21MD milling digital control system.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104801753A (en) * | 2015-05-14 | 2015-07-29 | 吴江市新科缝制设备有限公司 | Sliding device of multi-edge corner milling machine |
| CN105058060A (en) * | 2015-08-25 | 2015-11-18 | 五莲县长泰工贸有限公司 | Turning, drilling and milling combined machine tool for machining flange |
| CN105171495A (en) * | 2015-09-28 | 2015-12-23 | 西安宝钢钢材加工配送有限公司 | Gantry vertical type numerical control single-head milling machine machining center |
| CN105881105A (en) * | 2016-04-25 | 2016-08-24 | 南通力科机床制造有限公司 | Gantry type vertical machining center |
| CN108723878A (en) * | 2018-08-09 | 2018-11-02 | 深圳市华群数控机械有限公司 | A kind of gantry Machining Center |
| CN108838718A (en) * | 2018-08-28 | 2018-11-20 | 江门市蓬江区星硕方数控设备有限公司 | A kind of milling boring equipment can be used for oblique surface machining |
| CN110434317A (en) * | 2019-08-26 | 2019-11-12 | 嘉兴学院 | Milling one heavy castings robot |
| CN110608911A (en) * | 2019-09-29 | 2019-12-24 | 科德数控股份有限公司 | Five-axis machine tool loading test device and method |
| CN111761360A (en) * | 2020-03-31 | 2020-10-13 | 江苏贵钰航空工业有限公司 | Large gantry vertical type numerical control boring and milling machine tool |
| CN115284018A (en) * | 2022-05-06 | 2022-11-04 | 志晟数控科技(山东)有限公司 | Double-column movable working table type gantry machining center |
| CN116276298A (en) * | 2023-05-08 | 2023-06-23 | 沧州志信机械制造有限公司 | Numerical control planer type boring and milling machine for machining large metal parts and use method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104801753A (en) * | 2015-05-14 | 2015-07-29 | 吴江市新科缝制设备有限公司 | Sliding device of multi-edge corner milling machine |
| CN105058060A (en) * | 2015-08-25 | 2015-11-18 | 五莲县长泰工贸有限公司 | Turning, drilling and milling combined machine tool for machining flange |
| CN105171495A (en) * | 2015-09-28 | 2015-12-23 | 西安宝钢钢材加工配送有限公司 | Gantry vertical type numerical control single-head milling machine machining center |
| CN105881105A (en) * | 2016-04-25 | 2016-08-24 | 南通力科机床制造有限公司 | Gantry type vertical machining center |
| CN108723878A (en) * | 2018-08-09 | 2018-11-02 | 深圳市华群数控机械有限公司 | A kind of gantry Machining Center |
| CN108838718A (en) * | 2018-08-28 | 2018-11-20 | 江门市蓬江区星硕方数控设备有限公司 | A kind of milling boring equipment can be used for oblique surface machining |
| CN110434317A (en) * | 2019-08-26 | 2019-11-12 | 嘉兴学院 | Milling one heavy castings robot |
| CN110608911A (en) * | 2019-09-29 | 2019-12-24 | 科德数控股份有限公司 | Five-axis machine tool loading test device and method |
| CN111761360A (en) * | 2020-03-31 | 2020-10-13 | 江苏贵钰航空工业有限公司 | Large gantry vertical type numerical control boring and milling machine tool |
| CN115284018A (en) * | 2022-05-06 | 2022-11-04 | 志晟数控科技(山东)有限公司 | Double-column movable working table type gantry machining center |
| CN116276298A (en) * | 2023-05-08 | 2023-06-23 | 沧州志信机械制造有限公司 | Numerical control planer type boring and milling machine for machining large metal parts and use method |
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Application publication date: 20131211 |