CN2619745Y - Machine tool for machining plane in ultra-length deep cavity - Google Patents

Machine tool for machining plane in ultra-length deep cavity Download PDF

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Publication number
CN2619745Y
CN2619745Y CN 03231424 CN03231424U CN2619745Y CN 2619745 Y CN2619745 Y CN 2619745Y CN 03231424 CN03231424 CN 03231424 CN 03231424 U CN03231424 U CN 03231424U CN 2619745 Y CN2619745 Y CN 2619745Y
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CN
China
Prior art keywords
cantilever beams
beams
plane
workbench
cantilever
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 03231424
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Chinese (zh)
Inventor
杨春先
董文浩
吴仙琪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI HEAVY DUTY MACHINE TOOL WORKS
Original Assignee
SHANGHAI HEAVY DUTY MACHINE TOOL WORKS
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Filing date
Publication date
Application filed by SHANGHAI HEAVY DUTY MACHINE TOOL WORKS filed Critical SHANGHAI HEAVY DUTY MACHINE TOOL WORKS
Priority to CN 03231424 priority Critical patent/CN2619745Y/en
Application granted granted Critical
Publication of CN2619745Y publication Critical patent/CN2619745Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a deep cavity inner plane processing machine tool. The ultra long deep cavity plane processing machine tool is fixed with two paralleling cantilever beams (2) at left end of a machine tool (1); the cross sections of the beams are rectangle shaped, upper plane and inner vertical plane of the beams are provided with four pieces of rolling beeline guiding tracks (12); the rolling beeline guiding track (12) is composed of a milling device which comprises a mill head (4), a cutting tool and a supplying box (3); the milling device is embedded between the two beams and also is positioned on the rolling beeline guiding tracks (12); a gear rack pair (11) is positioned between the supplying box and the beams; a supplying rack is positioned in the beams; a motor in the supplying box drives the supplying rack and then the supplying rack drives the supplying box to act; right end of a working platform is provided with a holding cylinder (8) and a cantilever beam position clamp device (9) in order. The utility model adopts a brief supporting beam form, thus greatly improving dynamic stiffness of the machine bed, extending length processing range inner the deep cavity, enhancing processing precision and improving working coarseness and working efficiency.

Description

The dark chamber of overlength inner plane machining tool
Technical field
The utility model relates to dark chamber inner plane machining tool, relates in particular to the dark chamber of overlength inner plane machining tool.
Background technology
Existing dark chamber inner plane machining tool generally adopts the cantilever beam structures form, and promptly machine tooling head (as milling head) stretches into by cantilever beam that the inner plane to workpiece carries out machining in the dark chamber of workpiece to be machined.Owing to be subjected to lathe cantilever major diameter proportional limit system (draw ratio L/D is generally below 4), the workpiece inner plane in placing dark chamber is long, causes lathe cantilever draw ratio greater than 4 o'clock, and difficult processing is to realize.And adopt the cantilever beam form, because the deadweight of cantilever causes flexural deformation, cause machining accuracy low, surface roughness is poor.
Summary of the invention
The utility model has overcome existing dark chamber inner plane machining tool and has produced the defective that the sagging distortion of deadweight impacts the workpiece machining accuracy because of cantilever is long, the dark chamber of a kind of overlength inner plane machining tool is provided, this machine adopted simply supported beam form, improved the dynamic rate of lathe, solved the processing difficulties that places overlength plane in the dark chamber, improve the processing roughness, improved production efficiency.
The utility model is achieved in that the dark chamber of a kind of overlength inner plane machining tool, comprise bed piece, place on the lathe bed movably workbench, the workbench transmission case, workbench is equipped with positioning clamping device, at the lathe bed left end two parallel cantilever beams are housed fixedly, the cross section of cantilever beams is a rectangle, four rolling linear guides are housed on the last plane of cantilever beams and the inboard vertical plane, comprise milling head, the milling attachment of cutter and feed box is flush-mounted in the middle of two cantilever beams and places on the rolling linear guide, feed gear wheel tooth bar pair is housed between feed box and cantilever beams, feed rack is installed in the cantilever beams, motor driven gear pair in the feed box and feed gear wheel drive feed box and do feed motion, the right-hand member of workbench is equipped with successively and ejects oil cylinder and cantilever beams positioning clamping device, and the cantilever beams positioning clamping device comprises the locating piece that is contained on the workbench, before and after positional cylinder and clamp pressure plate cylinder up and down.
The dark chamber of above-mentioned overlength inner plane machining tool, described two cantilever beams lower inside respectively be equipped with one row nozzle.
Operation principle of the present utility model is to adopt the simply supported beam form processing, changed the cantilever beam form processing of prior art, cantilever beams one end is fixed on the bed piece, the other end passes on the cantilever beams positioning clamping device that the dark chamber of workpiece to be machined is laid in the workbench right side, so just forms simply supported beam.Be embedded with milling attachment between two parallel cantilever beams, the dark chamber of overlength that milling attachment gos deep into workpiece to be machined processes dark chamber inner plane.And two cantilever beams lower inside one row's nozzle is housed respectively workpiece to be machined is carried out forced refrigeration, reduced the deflection of workpiece to be machined.The utility model adopts the simply supported beam form to replace traditional cantilever beam, improved the dynamic rate of lathe greatly, process dark chamber inner plane and no longer be subjected to the influence of lathe cantilever beam major diameter ratio, thereby can enlarge the processing length scope that places workpiece inner plane in the dark chamber, improve machining accuracy, improve the processing roughness, enhance productivity, provide technical equipment the dark chamber of overlength inner plane Precision Machining.
Description of drawings
Fig. 1 is the dark chamber of a utility model overlength inner plane machining tool structural representation, and Fig. 2 is that A-A is to the part cross-sectional schematic among Fig. 1, and Fig. 3 is that B-B is to cross-sectional schematic among Fig. 1, and Fig. 4 is that C-C is to cross-sectional schematic among Fig. 1, and Fig. 5 is the rolling linear guide rail structure schematic diagram.
Among the figure: 1 lathe bed, 2 cantilever beams, 3 feed boxes, 4 milling heads, 5 work piece positionings tightly install, 6 workpieces to be machined, and 7 workbench, 8 eject oil cylinder, 9 cantilever beams positioning clamping devices, 10 workbench transmission cases, 11 feed gear wheel tooth bar pairs, 12 rolling linear guides, 13 milling cutters, 14 nozzles, positional cylinder before and after the 15 crossbeam locating pieces, 16 crossbeams, 17 crossbeams clamp pressure plate cylinder up and down, and 18 workpiece clamp are pressed the leaf fat cylinder, 19 workpiece locating pieces, 20 workpiece positional cylinders, 21 steel balls, 22 guide rails, 23 slide blocks.
The specific embodiment
Referring to Fig. 1, Fig. 2, the dark chamber of a kind of overlength inner plane machining tool comprises bed piece 1, places on the lathe bed 1 movably workbench 7, workbench transmission case 10, and workbench 7 is equipped with positioning clamping device.Positioning clamping device comprises tight device 5 of work piece positioning and crossbeam positioning clamping device 9.At lathe bed 1 left end two parallel cantilever beams 2 are housed fixedly, the cross section of cantilever beams 2 is a rectangle.Four rolling linear guides 12 are housed on the last plane of cantilever beams 2 and the inboard vertical plane.Milling attachment comprises processing head (milling head) 4, cutter (milling cutter) 13 and feed box 3, and milling attachment is flush-mounted in the middle of two cantilever beams 2 and places on the rolling linear guide 12.
Referring to Fig. 5, rolling linear guide 12 comprises guide rail 22, steel ball 21 and slide block 23, and 23 of guide rail 22 and slide blocks are equipped with steel ball 21, and guide rail 22 is contained on the crossbeam 2, and slide block 23 is contained on the milling attachment.At feed box 3 and 2 of cantilever beams feed gear wheel tooth bar pair 11 is housed, feed rack is installed in the cantilever beams 2, and the driven by motor feed gear wheel in the feed box 3 drives feed box 3 and does feed motion, but rapid traverse and feeding.Milling attachment is positioned at the left end of crossbeam when off working state, to reduce the amount of deflection of crossbeam.
Workbench 7 from left to right is equipped with workpiece to be machined 6 successively, ejects oil cylinder 8 and cantilever beams positioning clamping device 9.Workbench 7 can be moved to the lathe bed left end from lathe bed 1 right-hand member by transmission case 10 controls, after the crossbeam 2 that is fixed on lathe bed 1 passes workpiece 6, the right-hand member of crossbeam 2 be loaded on the workbench 7 by HYDRAULIC CONTROL SYSTEM eject oil cylinder 8 jack-up, and by crossbeam positioning clamping device 9 positioning and fixing.Referring to Fig. 3, cantilever beams positioning clamping device 9 comprises locating piece 15, the front and back positional cylinder 16 that is contained on the workbench 7 and clamps pressure plate cylinder 17 up and down, positional cylinder 16 is fixed before and after placing crossbeam 2 on the locating piece 15 before and after the crossbeam, and crossbeam clamps pressure plate cylinder 17 up and down crossbeam 2 is fixed up and down.Crossbeam 2 one ends are fixed in lathe bed 1 left end like this, and crossbeam 2 other ends are fixing by workbench 7 entablature positioning clamping devices 9, and crossbeam has formed simply supported beam, has improved the rigidity of crossbeam greatly, and the amount of deflection of crossbeam also descends greatly.
Referring to Fig. 4, workpiece 6 is tightly installed 5 positioning and fixing on workbench 7 by work piece positioning, the tight device 5 of work piece positioning comprises locating piece 19, the front and back positional cylinder 20 that is contained on the workbench 7 and clamps pressure plate cylinder 18 up and down, positional cylinder 20 is fixed before and after placing workpiece on the locating piece 19 before and after the workpiece, and workpiece clamps pressure plate cylinder 18 up and down workpiece is fixed up and down.
In order to reduce the thermal deformation of inner chamber work in-process, two cantilever beam 2 lower inside one row's nozzle 14 is housed respectively, adopt the cooling fluid of big flow to force cooling, control its deflection.
The results showed that the dark chamber of overlength inner plane machining tool can be processed than the dark chamber inner plane that reaches 8~10 the cantilever beam major diameter, comprise mill, processing such as mill, more existing draw ratio 4 is more than doubled; The workpiece machining surface roughness is brought up to Ra6.3 from Ra12.5; The rigidity of lathe also improves greatly; Adopt pressure cooling system, significantly reduced workpiece deformation.

Claims (2)

1. the dark chamber of overlength inner plane machining tool, comprise bed piece (1), place on the lathe bed movably workbench (7), workbench transmission case (10), workbench (7) is equipped with positioning clamping device, it is characterized in that two parallel cantilever beams (2) fixedly being housed at lathe bed (1) left end, the cross section of cantilever beams (2) is a rectangle, four rolling linear guides (12) are housed on the last plane of cantilever beams (2) and the inboard vertical plane, comprise milling head (4), the milling attachment of cutter and feed box (3) is flush-mounted in the middle of two cantilever beams (2) and places on the rolling linear guide (12), between feed box (3) and cantilever beams (2), feed gear wheel tooth bar pair (11) is housed, feed rack is installed in the cantilever beams (2), driven by motor feed gear wheel in the feed box (3) drives feed box (3) and does feed motion, the right-hand member of workbench (7) is equipped with successively and ejects oil cylinder (8) and cantilever beams positioning clamping device (9), and cantilever beams positioning clamping device (9) comprises the locating piece (15) that is contained on the workbench (7), before and after positional cylinder (16) and clamp pressure plate cylinder (17) up and down.
2. the dark chamber of overlength according to claim 1 inner plane machining tool is characterized in that in two cantilever beams (2) lower inside one row's nozzle (14) being housed respectively.
CN 03231424 2003-05-22 2003-05-22 Machine tool for machining plane in ultra-length deep cavity Expired - Fee Related CN2619745Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 03231424 CN2619745Y (en) 2003-05-22 2003-05-22 Machine tool for machining plane in ultra-length deep cavity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 03231424 CN2619745Y (en) 2003-05-22 2003-05-22 Machine tool for machining plane in ultra-length deep cavity

Publications (1)

Publication Number Publication Date
CN2619745Y true CN2619745Y (en) 2004-06-09

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101954590A (en) * 2010-06-10 2011-01-26 无锡华联精工机械有限公司 Bed structure of tubing numerical control drilling machine
CN103706817A (en) * 2013-12-13 2014-04-09 中国燃气涡轮研究院 Novel integral multistage hub rotor unit deep cavity machining tool and method
CN104400445A (en) * 2014-10-16 2015-03-11 清华大学 Tool bar support system for processing irregular deep inner cavity
CN106346057A (en) * 2016-08-31 2017-01-25 北京国电富通科技发展有限责任公司 Surface processing equipment
CN107953348A (en) * 2018-01-04 2018-04-24 大连理工大学 A kind of depth chamber frame rail climbing robot formula automatic machining device and method

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101954590A (en) * 2010-06-10 2011-01-26 无锡华联精工机械有限公司 Bed structure of tubing numerical control drilling machine
CN103706817A (en) * 2013-12-13 2014-04-09 中国燃气涡轮研究院 Novel integral multistage hub rotor unit deep cavity machining tool and method
CN103706817B (en) * 2013-12-13 2017-01-04 中国燃气涡轮研究院 A kind of Novel integral multistage hub rotor unit deep cavity process tool and method thereof
CN104400445A (en) * 2014-10-16 2015-03-11 清华大学 Tool bar support system for processing irregular deep inner cavity
CN104400445B (en) * 2014-10-16 2016-08-24 成都飞机工业(集团)有限责任公司 The knife bar support system of irregular deep embedded SMA actuators
CN106346057A (en) * 2016-08-31 2017-01-25 北京国电富通科技发展有限责任公司 Surface processing equipment
CN106346057B (en) * 2016-08-31 2018-10-16 北京国电富通科技发展有限责任公司 A kind of film forming system
CN107953348A (en) * 2018-01-04 2018-04-24 大连理工大学 A kind of depth chamber frame rail climbing robot formula automatic machining device and method
CN107953348B (en) * 2018-01-04 2020-11-06 大连理工大学 Deep cavity component rail crawling robot type automatic machining device and method

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C19 Lapse of patent right due to non-payment of the annual fee
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