CN203401303U - Large gantry vertical numerical control boring and milling machine tool - Google Patents

Large gantry vertical numerical control boring and milling machine tool Download PDF

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Publication number
CN203401303U
CN203401303U CN201320507976.9U CN201320507976U CN203401303U CN 203401303 U CN203401303 U CN 203401303U CN 201320507976 U CN201320507976 U CN 201320507976U CN 203401303 U CN203401303 U CN 203401303U
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China
Prior art keywords
axis
sliding table
numerical control
boring
milling
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Expired - Fee Related
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CN201320507976.9U
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Chinese (zh)
Inventor
张小青
薛遂根
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LAOHEKOU SHUANGHUA NC COMBINATION MAHCINE TOOLS Co Ltd
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LAOHEKOU SHUANGHUA NC COMBINATION MAHCINE TOOLS Co Ltd
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Abstract

The utility model discloses a large gantry vertical numerical control boring and milling machine tool which comprises a base and a numerical control system. An X-axis main sliding table and an X-axis servo motor for driving the X-axis main sliding table 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, a transverse beam is arranged on the left gantry stand column and the right gantry stand column in a connected mode, a Y-axis numerical control sliding table and a Y-axis servo motor for driving the Y-axis numerical control sliding table to slide in the Y-axis direction are arranged on the transverse beam, a Z-axis numerical control sliding table and a Z-axis servo motor for driving the Z-axis numerical control sliding table to slide in the Z-axis direction are arranged on the Y-axis numerical control sliding table, a boring and milling head main shaft is installed inside the Z-axis numerical control sliding table, a main shaft boring and milling cutter head is installed at the lower end of the boring and milling head main shaft, a cutter pulling oil cylinder is connected with the upper end of the boring and milling head main shaft, 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 gantry vertical numerical control boring and milling machine tool is reasonable in layout and high in complete-machine rigidity and locating accuracy.

Description

Large-sized gantry vertical numerical control boring and milling lathe
Technical field
The utility model relates to a kind of mechanical processing machine, relates in particular to a kind of large-sized gantry vertical numerical control boring and milling lathe 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.
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, 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, on crossbeam, configure the multi-functional ram formula of a vertical type high-power vertical up-or-down movement (Z axis), 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); Gantry frame below is along lathe bed table longitudinal movement (X-axis).But, according to state key industry core, manufacture the demand in field, this type of device target should be control specific machine and flexible manufacturing system thereof, and a lot of existing equipments cannot 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 utility model proposes a kind of rationally distributed, 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 utility model 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 the main slide unit of X-axis and drives the main slide unit of described X-axis to slide along X-direction, the both sides of described base are provided with gantry left column and gantry right column, on described gantry left column and gantry right column, establish and be connected with crossbeam, the Y-axis servomotor that described crossbeam is provided with Y-axis nc sliding table and drives the main slide unit of described Y-axis to slide along Y direction; The Z axis servomotor that the main slide unit of described Y-axis is provided with 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, 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 broaching tool oil cylinder, and described boring and milling head outer main shaft also connects spindle servo electric machine by spindle machine reduction box.
According to large-sized gantry vertical numerical control boring and milling machine bed accessory of the present utility model, there is X-axis, Y-axis, three basic rectilinear coordinates axles of Z axis, each reference axis all can Digital Control be located automatically.After part by one-step clamping, can automatically complete the multistage manufacturing processes such as boring, milling, 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 user and realize polyhedral fine finishining.That large-sized gantry vertical numerical control boring and milling machine bed accessory of the present utility model has is rationally distributed, 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, while bearing capacity is large and cutting antivibration; Can fully guarantee a series of synthesis precisions such as linearity, the depth of parallelism, perpendicularity of lathe.
According to large-sized gantry vertical numerical control boring and milling lathe of the present utility model, can also there is following additional technical feature:
Preferably, between described base and the main slide unit of X-axis, 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, between the main slide unit of described base and X-axis, adopt the structure of load-carrying rolling line slideway, on the width of base, be provided with two guide rails; Between described crossbeam and Y-axis nc sliding table, adopt the structure of the hard rail that slides; Between described Y-axis nc sliding table and Z axis nc sliding table, adopt the rail plate auxiliary structure of laminating form.
Preferably, described X-axis servomotor, Y-axis servomotor and Z axis servomotor are all 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 of described base position and the guide rail at crossbeam place.
Preferably, also comprise lubricating system, magnetic automatic chip-removal system and cooling system.
Preferably, also comprise 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 nitrogen balance oil cylinder.
Preferably, described numerical control operating screen adopts Central China HNC-21MD milling digital control system.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is the agent structure front view of the utility model large-sized gantry vertical numerical control boring and milling lathe;
Fig. 2 is the agent structure side view of the utility model large-sized gantry vertical numerical control boring and milling lathe;
Fig. 3 is the utility model large-sized gantry vertical numerical control boring and milling lathe cross nc sliding table and main axle structure front view;
Fig. 4 is the utility model large-sized gantry vertical numerical control boring and milling lathe cross nc sliding table and main axle structure left view;
Fig. 5 is the utility model large-sized gantry vertical numerical control boring and milling lathe cross nc sliding table 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, the main slide unit of X-axis; 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
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, term " on ", orientation or the position relationship of the indication 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, it is only the utility model rather than require the utility model with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model for convenience of description.
In description of the present utility model, unless otherwise prescribed and limit, it should be noted that, term " installation ", " being connected ", " connection " should be interpreted broadly, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be to be directly 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 is also 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, describe according to the large-sized gantry vertical numerical control boring and milling lathe of the utility model embodiment.As Figure 1-5, it comprises base 7 and digital control system, the X-axis servomotor 14 that described base 7 is provided with the main slide unit 5 of X-axis and drives the main slide unit 5 of described X-axis to slide along X-direction, the both sides of described base 7 are provided with gantry left column 2 and gantry right column 1, on described gantry left column 2 and gantry right column 1, establish and be connected with crossbeam 10, the Y-axis servomotor 12 that described crossbeam 10 is provided with Y-axis nc sliding table 3 and drives the main slide unit of described Y-axis to slide along Y direction; The Z axis servomotor 13 that the main slide unit of described Y-axis 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.
According to large-sized gantry vertical numerical control boring and milling machine bed accessory of the present utility model, there is X-axis, Y-axis, three basic rectilinear coordinates axles of Z axis, each reference axis all can Digital Control be located automatically.After part by one-step clamping, can automatically complete the multistage manufacturing processes such as boring, milling, 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 user and realize polyhedral fine finishining.
The large part such as described base 7, the main slide unit 5 of X-axis, 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 adopt secondary failure technique after roughing, guarantee the high rigidity of lathe integral body, high stability.
Between described base 7 and the main slide unit 5 of X-axis, 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 utility model, between the main slide unit 5 of described base 7 and X-axis, adopt the structure of load-carrying rolling line slideway, on the width of base 7, be provided with two guide rails.Hence one can see that, and positioning precision is high, and servo-drive performance is excellent; Carrying simultaneously can be large, cutting antivibration.The load-carrying rolling line slideway and the ball screw assembly, that adopt Taiwan to produce.Between described crossbeam 10 and Y-axis nc sliding table 3, adopt the structure of the hard rail that slides.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.Between described Y-axis nc sliding table 3 and Z axis nc sliding table 15, adopt the rail plate auxiliary structure of laminating form.Y-axis nc sliding table 3 adopts heavy in section to have extremely strong rigidity, and the secondary rail plate that adopts guide rail high-frequency quenching to stick on moulding formula of Z axis vertical guide rail is secondary.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 good cutting force and machining accuracy.
Boring and milling head outer main shaft 16 adopts rigidity main axle unit, and two bearings supporting spacing is large, good rigidly, stable cutting.Mechanical reducer, configuration servo principal axis motor, power of motor: N=15kw, machining torque power is large, is applicable to quick machining.
Described X-axis servomotor 14, Y-axis servomotor 12 and Z axis servomotor 13 are all 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 utility model, also comprise protector, described protector is protective cover, described protective cover is located at the outside of the guide rail at described base 7 places and the guide rail at crossbeam 10 places.Preferably, described protective cover is totally-enclosed stainless steel protective cover.
According to an example of the present utility model, also comprise lubricating system, magnetic automatic chip-removal system and cooling system.Machine adopted centralized lubrication, selects Bei Qier lubrication station.The magnetic automatic chip-removal system that lathe is provided with, concentrates chip removal, and cooling fluid reflux cycle is used, and is convenient to field management.
According to an example of the present utility model, also comprise 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 nitrogen balance oil cylinder.Its effect is to offset the Action of Gravity Field that Z axis slide unit declines.
According to an example of the present utility model, described numerical control operating screen 8 adopts Central China HNC-21MD milling digital control system.Its programming is simple, easy to operate, can meet 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.
According to the machine adopted of the utility model embodiment, on gantry beam 10, fill cross slid platform 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 the main slide unit of base 7 numerical control.Each motor all can servo speed governing machining control above.
According to the Electrical Control of Machinery Tools form of the utility model embodiment: numerical control; Maneuverability pattern: lathe can be according to processing object to the numerical control of programming 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 manually time.
Lathe servomotor quantity and the power of the utility model embodiment:
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.
X-axis servomotor 14 maximum speeds: 1500r/min, torque 120Nm.
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.
Lathe operation cycle: 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 oil cylinder impulse stroke.
In the description of this description, 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 utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present utility model and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model 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 the main slide unit of X-axis and drives the main slide unit of described X-axis to slide along X-direction, the both sides of described base are provided with gantry left column and gantry right column, on described gantry left column and gantry right column, establish and be connected with crossbeam, the Y-axis servomotor that described crossbeam is provided with Y-axis nc sliding table and drives the main slide unit of described Y-axis to slide along Y direction; The Z axis servomotor that the main slide unit of described Y-axis is provided with 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, 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 broaching tool oil cylinder, and described boring and milling head outer main shaft also connects spindle servo electric machine by 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 the main slide unit of X-axis, 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 the main slide unit of described base and X-axis, is provided with two guide rails on the width of base; Between described crossbeam and Y-axis nc sliding table, adopt the structure of the hard rail that slides; Between described Y-axis nc sliding table and Z axis nc sliding table, adopt the rail plate auxiliary structure of laminating form.
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 are all 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 of described base position and the guide rail at 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 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.
CN201320507976.9U 2013-08-20 2013-08-20 Large gantry vertical numerical control boring and milling machine tool Expired - Fee Related CN203401303U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103433748A (en) * 2013-08-20 2013-12-11 老河口双华数控组合机床有限责任公司 Large vertical type numerical control boring and milling planomiller
CN105171074A (en) * 2015-09-28 2015-12-23 西安宝钢钢材加工配送有限公司 Gantry vertical numerical control milling machine machining center with double heads and double tool changers
CN106271680A (en) * 2016-08-30 2017-01-04 佛山市普拉迪数控科技有限公司 A kind of L-shaped Longmen machine tool

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103433748A (en) * 2013-08-20 2013-12-11 老河口双华数控组合机床有限责任公司 Large vertical type numerical control boring and milling planomiller
CN105171074A (en) * 2015-09-28 2015-12-23 西安宝钢钢材加工配送有限公司 Gantry vertical numerical control milling machine machining center with double heads and double tool changers
CN105171074B (en) * 2015-09-28 2018-04-03 西安宝钢钢材加工配送有限公司 Gantry vertical numerical control double end double-pole storehouse milling machine machining center
CN106271680A (en) * 2016-08-30 2017-01-04 佛山市普拉迪数控科技有限公司 A kind of L-shaped Longmen machine tool

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