CN102554679A - Gantry-travelling drive mechanism - Google Patents
Gantry-travelling drive mechanism Download PDFInfo
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- CN102554679A CN102554679A CN2012100172367A CN201210017236A CN102554679A CN 102554679 A CN102554679 A CN 102554679A CN 2012100172367 A CN2012100172367 A CN 2012100172367A CN 201210017236 A CN201210017236 A CN 201210017236A CN 102554679 A CN102554679 A CN 102554679A
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- gantry
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- driving mechanism
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Abstract
The invention provides a gantry-travelling drive mechanism which is characterized in that two servo motors are respectively connected with a decelerating mechanism, and each decelerating mechanism comprises a transition supporting sleeve, a decelerating device, a gear and a plurality of cylindrical roller bearings, wherein the transition supporting sleeve is fixed on a sliding seat, one end of the transition supporting sleeve is sealed, and the other end of the transition supporting sleeve is opened; one end of the decelerating device is connected with the servo motor, the other end of the decelerating device is connected with a transition shaft, and the transition shaft is arranged in the transition supporting sleeve; the gear is fixed on the transition shaft; and the plurality of cylindrical roller bearings are arranged between the gear and the transition supporting sleeve. The gantry-travelling drive mechanism provided by the invention has the advantages that: 1) the transmission accuracy is high; as a key block is added, the transmission stability and the transmission reliability are ensured; and the transition supporting sleeve and the transition shaft can be manufactured independently, therefore, the cost is low, and no special decelerating device is required to be bought; 2) the gantry-travelling drive mechanism is simple in structure and easy to assemble; and 3) due to the eliminating of backlash of the two motors, the low-speed and high-accuracy operation without transmission backlash errors of the gantry-travelling drive mechanism is ensured.
Description
Technical field
The present invention relates to a kind of driving mechanism, particularly, relate to a kind of gantry and move driving mechanism.
Background technology
The moving pillar plane milling and boring machine of moving beam mainly contains lathe bed, slide; Workbench, left and right pillar, crossbeam; Slide plate, ram, critical pieces such as main spindle box are formed; Fixed lathe bed workbench, gantry frame along bed ways move horizontally, crossbeam along the column guide rail vertically move, the ram type main tapping can move horizontally on beam guideway with slide carriage; Also can vertically move, be applicable to the metal flat of big medium size and weight and the cut of hole class, be widely used in the thick fine finishining of every profession and trade heavy type, large complicated part along the slide carriage guide rail.
The moving pillar plane milling and boring machine of said moving beam also can be processed the hole of part die cavity inside and the plane in the crawl space; Have functions such as milling, boring, drilling, tapping, spot-facing; Can realize a clamping of workpiece behind the outfit accessories mill-head; Multiaspect processing, a tractor serves several purposes has improved the crudy and the production efficiency of workpiece.
In the prior art, because the X axle uses line slideway, fast moving speed reaches 20m/min, and the acceleration time is short, and moment of accelerating is big, and the travelling gear modulus is 8, and the number of teeth is 20, and when flange connected, the moment resulting from sidesway of reductor was not enough, and reductor can't mate.
Therefore, a kind of high accuracy is provided, high rigidity, gantry of high reliability is moved driving mechanism and is just seemed particularly important.
Summary of the invention
The objective of the invention is to solve the not enough problem of reductor moment resulting from sidesway in the prior art, improve the driven off by shaft precision of X, rigidity and reliability.
The present invention discloses a kind of gantry and moves driving mechanism, and wherein, two servomotors connect a reducing gear separately respectively, and each reducing gear comprises:
Be fixed on the transition support set on the slide, end sealing, other end opening;
Reductor, an end connects said servomotor, and the other end connects a transition axis, and said transition axis is arranged in the transition support set;
Gear is fixed on the said transition axis;
Some cylinder roller bearings are arranged between said gear and the said transition support set.
Driving mechanism is moved at above-mentioned gantry, wherein, is provided with some high-strength screws between said reductor and the said transition axis.
Driving mechanism is moved at above-mentioned gantry, wherein, cooperates for key between said transition axis and the said gear.
Driving mechanism is moved at above-mentioned gantry, wherein, and the same tooth bar of the gears engaged of said two reducing gears.
Driving mechanism is moved at above-mentioned gantry, wherein, is provided with in the said transition support set and exempts from the axial organ assembly, and fixing said gear is on said transition axis.
Driving mechanism is moved at above-mentioned gantry, and wherein, an end of said transition support set sealing is provided with removable end cap.
Advantage of the present invention is:
1) transmission accuracy is high, increases the key piece, guarantees transmission stability and reliability, and transition support set and transition axis can oneself be made, and cost is low, need not to buy specially special reductor;
2) simple in structure, assembling easily;
3) the bi-motor crack that disappears guarantees that transmission do not have the low-speed highly precise running of gap error.
Description of drawings
Through reading the detailed description of non-limiting example being done with reference to following accompanying drawing, it is more obvious that the present invention and characteristic thereof, profile and advantage will become.Mark identical in whole accompanying drawings is indicated identical part.Painstakingly proportionally do not draw accompanying drawing, focus on illustrating purport of the present invention.In the accompanying drawings, for cheer and bright, amplified the part parts, for same parts, only indicated wherein part, those skilled in the art can combine the specific embodiment partly to understand.
Fig. 1 shows according to a present invention specific embodiment, and the sketch map of driving mechanism is moved at gantry; And
The sketch map of reducing gear during Fig. 2 shows according to the present invention.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is further elaborated.The specific embodiment described herein only is used to explain the present invention, and is not used in qualification protection scope of the present invention.
In conjunction with reference to figure 1 and Fig. 2, move in the driving mechanism at gantry of the present invention, and two servomotors 100 connect a reducing gear (see figure 2) separately respectively, and each reducing gear comprises:
Be fixed on transition support set 2, the one ends sealing on the slide 200, other end opening;
Reductor 1, one end connects said servomotor 100, and the other end connects a transition axis 6, and said transition axis 6 is arranged in the transition support set 2;
Some cylinder roller bearings 10 are arranged between said gear 9 and the said transition support set 2.
Preferably, be provided with some high-strength screws 13 between said reductor 1 and the said transition axis 6.
In a specific embodiment, for key cooperates, guarantee fixing between transition axises 6 and the gear 9 between said transition axis 6 and the said gear 9 through flat key 15.
As shown in Figure 1, the same tooth bar 400 of gear 9 engagements of said two reducing gears.
Further, be provided with in the said transition support set 2 and exempt from axial organ assembly 7, fixing said gear 9 is on said transition axis 6.
Further, an end of said transition support set 2 sealings is provided with removable end cap 12, among Fig. 2, also shows the back-up ring 14 and sealing ring 11 that are positioned at end cap 12.
Among Fig. 2, transition support set 23 is fixed in slide 200 through pinning, and is as shown in Figure 2, and some skewbacks 4,5 are fixed through screw 8 and slide.
More particularly, gear 9 of the present invention is a helical gear, in the process of helical gear tooth bar of the present invention transmission; Method phase component can apply the very big power of toppling to reductor 1 output shaft, through transition support set 2 and cylinder roller bearing 10 are installed, this power major part is born by bearing; Assign on transition support set 2 and the big part slide seat body 200, thereby can not constitute injury to reductor 1 internal bearings, increase shelf life; The colleague is suitable for movably cylinder roller bearing 10 of outer ring, and when the gear shaft expanded by heating, gear shaft can move axially; Avoid the injury that when reductor 1 is heated reductor 1 internal bearings brought, guarantee transmission stability and rigidity.
Simultaneously two covers have the servomotor 100 and the same reducing gear of two covers of identical parameters, apply preload through Torque Control and drive the mobile of lathe gantry, guarantee that transmission do not have the low-speed highly precise of gap error and turn round.
Those skilled in the art combine prior art and the foregoing description can realize said variant, and such variant does not influence flesh and blood of the present invention, does not repeat them here.
More than preferred embodiment of the present invention is described.It will be appreciated that the present invention is not limited to above-mentioned specific implementations, equipment of wherein not describing in detail to the greatest extent and structure are construed as with the common mode in this area to be implemented; Any those of ordinary skill in the art; Do not breaking away under the technical scheme scope situation of the present invention; All the method for above-mentioned announcement capable of using and technology contents are made many possible changes and modification to technical scheme of the present invention; Or being revised as the equivalent embodiment of equivalent variations, this does not influence flesh and blood of the present invention.Therefore, every content that does not break away from technical scheme of the present invention, all still belongs in the scope of technical scheme protection of the present invention any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.
Claims (6)
1. driving mechanism is moved at gantry, it is characterized in that, two servomotors connect a reducing gear separately respectively, and each reducing gear comprises:
Be fixed on the transition support set on the slide, end sealing, other end opening;
Reductor, an end connects said servomotor, and the other end connects a transition axis, and said transition axis is arranged in the transition support set;
Helical gear is fixed on the said transition axis;
Some cylinder roller bearings are arranged between said gear and the said transition support set.
2. driving mechanism is moved at gantry according to claim 1, it is characterized in that, is provided with some high-strength screws between said reductor and the said transition axis.
3. driving mechanism is moved at gantry according to claim 1, it is characterized in that, cooperates for key between said transition axis and the said gear.
4. driving mechanism is moved at gantry according to claim 1, it is characterized in that the same tooth bar of the gears engaged of said two reducing gears.
5. driving mechanism is moved at gantry according to claim 1, it is characterized in that, is provided with in the said transition support set and exempts from the axial organ assembly, and fixing said gear is on said transition axis.
6. driving mechanism is moved at gantry according to claim 1, it is characterized in that, an end of said transition support set sealing is provided with removable end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100172367A CN102554679A (en) | 2012-01-19 | 2012-01-19 | Gantry-travelling drive mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100172367A CN102554679A (en) | 2012-01-19 | 2012-01-19 | Gantry-travelling drive mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102554679A true CN102554679A (en) | 2012-07-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100172367A Pending CN102554679A (en) | 2012-01-19 | 2012-01-19 | Gantry-travelling drive mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN102554679A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107598643A (en) * | 2017-08-29 | 2018-01-19 | 广州德力数控设备有限公司 | Twin beams cantilever gantry-travelling anti-backlash mechanism |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020197124A1 (en) * | 2001-06-22 | 2002-12-26 | Koichiro Kitamura | NC machine tool |
| CN201185401Y (en) * | 2008-03-19 | 2009-01-21 | 齐齐哈尔二机床(集团)有限责任公司 | Gap-removing apparatus with double electric machines |
| CN201394757Y (en) * | 2009-04-24 | 2010-02-03 | 辉煌重工集团有限公司 | Double-gear driving device of roll grinder carriages |
| CN201632785U (en) * | 2010-04-02 | 2010-11-17 | 无锡华联科技集团有限公司 | Gap adjusting mechanism driven by gantry numerically controlled cutting machine |
| CN201632864U (en) * | 2010-02-25 | 2010-11-17 | 天水星火机床有限责任公司 | Dual-drive anti-backlash feeding device |
| CN101920417A (en) * | 2010-04-02 | 2010-12-22 | 无锡华联科技集团有限公司 | Transmission gap adjusting mechanism of gantry numerical control cutting machine |
| CN101949438A (en) * | 2010-09-21 | 2011-01-19 | 江苏恒力组合机床有限公司 | Power transmission mechanism capable of independently automatically eliminating backlash |
| CN102032320A (en) * | 2010-11-04 | 2011-04-27 | 吴声震 | Zero-return difference worm gear speed reducer for industrial robot |
-
2012
- 2012-01-19 CN CN2012100172367A patent/CN102554679A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020197124A1 (en) * | 2001-06-22 | 2002-12-26 | Koichiro Kitamura | NC machine tool |
| CN201185401Y (en) * | 2008-03-19 | 2009-01-21 | 齐齐哈尔二机床(集团)有限责任公司 | Gap-removing apparatus with double electric machines |
| CN201394757Y (en) * | 2009-04-24 | 2010-02-03 | 辉煌重工集团有限公司 | Double-gear driving device of roll grinder carriages |
| CN201632864U (en) * | 2010-02-25 | 2010-11-17 | 天水星火机床有限责任公司 | Dual-drive anti-backlash feeding device |
| CN201632785U (en) * | 2010-04-02 | 2010-11-17 | 无锡华联科技集团有限公司 | Gap adjusting mechanism driven by gantry numerically controlled cutting machine |
| CN101920417A (en) * | 2010-04-02 | 2010-12-22 | 无锡华联科技集团有限公司 | Transmission gap adjusting mechanism of gantry numerical control cutting machine |
| CN101949438A (en) * | 2010-09-21 | 2011-01-19 | 江苏恒力组合机床有限公司 | Power transmission mechanism capable of independently automatically eliminating backlash |
| CN102032320A (en) * | 2010-11-04 | 2011-04-27 | 吴声震 | Zero-return difference worm gear speed reducer for industrial robot |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107598643A (en) * | 2017-08-29 | 2018-01-19 | 广州德力数控设备有限公司 | Twin beams cantilever gantry-travelling anti-backlash mechanism |
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Application publication date: 20120711 |
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Effective date of registration: 20151009 Address after: 201400, Shanghai, Fengxian District, 19 Lang Road, No. 3 Applicant after: SHANGHAI BRANCH OF SANY GROUP CO., LTD. Address before: 201306, No. two, 318 Avenue, Lingang Industrial Park, Shanghai, Fengxian District, A Applicant before: Seiki Co., Ltd. Shanghai Sany |