CN101011797A - Single-screw drive type double pendulum angle milling head - Google Patents
Single-screw drive type double pendulum angle milling head Download PDFInfo
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- CN101011797A CN101011797A CN 200710037294 CN200710037294A CN101011797A CN 101011797 A CN101011797 A CN 101011797A CN 200710037294 CN200710037294 CN 200710037294 CN 200710037294 A CN200710037294 A CN 200710037294A CN 101011797 A CN101011797 A CN 101011797A
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Abstract
The invention relates to a single bolt driving dual oscillating milling head. The No.1 controllable generator fixed with No.1 cylinder gear through No.1 coupler, No.2 cylinder gear fixed with the cover of the milling head cover, whose top cover and a pair of milling sleeve side cover fixed with the milling head sleeve, No.2 controllable generator installed on the bracket that fastened inside the milling head sleeve. The drive bolt fixed with the shaft of the No.2 controllable generator through No.2 coupler. One end of the first pair of linkage forms with moving nut into a rotating assistance, the other end forms into a rotating assistance with the first pair of linking bracket, One end of the second pair of linkage forms with moving nut into a rotating assistance, the other end forms into a rotating assistance with the second pair of linking bracket The first and second linking bracket are connected to the milling head sleeve through rotary assistance, with the second linking bracket fixed with the main shaft of the milling head. It solves the issue of big size, low rigidity and poor bearing ability of the dual oscillating milling head.
Description
Technical field
The present invention relates to the milling head in a kind of machine tool technology field, specifically is a kind of single-screw drive type double pendulum angle milling head, is applicable to heavy multi-axis numerical control high-precision high-speed lathe.
Background technology
Double-pendulum milling head is the core component of multiaxis control, 5-shaft linkage numerical control lathe, main big heavy type numerical control of service and conventional milling boring class lathe, main frame is by being equipped with this type of numerical control milling head, the control diaxon rotates realizes that five-axle linkage comes the processed complex three-dimension curved surface, enlarge the range of work and the function of use of main frame, enhance productivity greatly and help guaranteeing machining accuracy.Because of its superiority, the ratio that is equipped with when not only the user orders main frame is improving, and the quantity that many customer requirements that has used main frame are equipped with again also obviously increases.The double pendulum numerical control milling head belongs to the high-tech matching component, the characteristics that the content that possesses skills is high.For a long time, China does not possess the ability that manufactures and designs this base part, caused the high-precision high-speed multi-axis linkage numerical control lathe manufacture level of China lower, its consequence is a lot of complex parts and even equipment dependence on import, and some country also imposes embargo to some key equipment, had a strong impact on industrial expansion, the one cover double-pendulum milling head of import now is up to millions of.
At present, domestic in design with make and also to be in the starting stage aspect the double-pendulum milling head be used for high-precision high-speed multi-axis linkage numerical control lathe, also there is not relevant document record, only there is several family main frame factory carrying out the trial-production of exploration for trial-production 5-shaft linkage numerical control lathe, but owing to lack fully checking aspect key technology, aspects such as its reliability, quality, precision all are difficult to compare favourably with external product.In addition, the double-pendulum milling head that is used for the high accuracy 5-axis machining center needs to realize functions such as main shaft gyration, swing simultaneously, double-pendulum milling head mainly adopts the contour auxiliary driving of roller bearing, gear and worm and gear at present, though can reach certain motion and required precision, but because the limitation of higher pair transmission agency, have shortcomings such as volume is big, rigidity is low, bearing capacity is low, cause existing unavoidably shortcomings such as bearing capacity is low, volume is big, rigidity is low.
Find through literature search prior art, application number be 00211008.3 Chinese utility model patent disclose belong to the machine tool technology field a kind of screw rod Digit Control Machine Tool with turning round milling head, comprise revolving bed, revolution casing, disc milling cutter, motor, belt, T type bolt, belt pulley etc., wherein turn round box body device in revolving bed, be slidingly matched with the arc track of revolving bed, the revolution casing is done in revolving bed ± 90 ° sliding transfer, make disc milling cutter have ± 90 ° machining state, be applicable to milling bull complicated abnormal shape screw rod.This patent milling head can only realize the sliding transfer of 90 ° of scopes of one degree of freedom, can not realize the swing of big pivot angle two-freedom, have above-mentioned defective equally.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, a kind of single-screw drive type double pendulum angle milling head is provided, make it satisfy the job requirement of double-pendulum milling head by the novel mechanism configuration that adopts the low auxiliary driving of enclosed, this configuration has the characteristic of top load, high rigidity, big corner, corner around two axles can reach respectively ± and 180 ° and greater than ± 90 °, meet or exceed international like product standard, can solve problems such as present double-pendulum milling head is big owing to the volume that high auxiliary driving exists, rigidity is low, bearing capacity is low.
The present invention is achieved by the following technical solutions, single-screw drive type double pendulum angle milling head of the present invention comprises: two controllable motors, two shaft couplings, a pair of roller gear, milling head cover, support, travelling nut, a drive screw, first pair of connecting rod, second pair of connecting rod, first pair of side link, second pair of side link, milling heads overlap upper cover plate, a pair of milling head cover side cover plate and milling head electricity main shaft.
Wherein, first controllable motor is fixedlyed connected with first roller gear by first shaft coupling, and second roller gear is fixedlyed connected with milling head cover upper cover plate, and milling head cover upper cover plate is all fixedlyed connected with the milling head cover with a pair of milling head cover side cover plate, is used for installing.Second controllable motor is installed on the support, and support is fixed in the milling head cover.Drive screw is fixedlyed connected with the axle of second controllable motor by second shaft coupling.First pair of connecting rod, second pair of connecting rod, first pair of side link, second pair of side link all are symmetrically arranged in the both sides of milling head electricity main shaft.One end of first pair of connecting rod constitutes revolute pair with travelling nut respectively, and the other end constitutes revolute pair with first pair of side link respectively.One end of second pair of connecting rod constitutes revolute pair with first pair of side link respectively, and the other end constitutes revolute pair with second pair of side link respectively.First pair and second pair of side link all are connected in milling head by revolute pair and put, and wherein second pair of side link fixedlyed connected with milling head electricity main shaft.
In the use, the controllable motor that links to each other with first roller gear drives the milling head cover by gear drive and all members of being mounted thereon comprise the axis swing of milling head electricity main shaft integral body along the second roller gear axle, realize the swing of the one degree of freedom of milling head, its pivot angle can reach ± and 180 °.Second controllable motor drives travelling nut by drive screw and moves back and forth, swing along the relative milling head cover of fixed hinge axis of second pair of side link with second pair of second pair of side link of connecting rod drive and milling head electricity main shaft by first pair of connecting rod, first pair of side link again, thereby realize the swing of another free degree of milling head, its pivot angle can be greater than ± 90 °.
The present invention utilizes two controllable motors as motion and power input by worm drive and enclosed low counter gear, drives the swing that milling head is realized two-freedom.Mechanism configuration proposed by the invention has the characteristic of top load, high rigidity, big corner.Adopt worm drive, can make simple and compact for structure, the mechanical gain height, transmission evenly, accurately, steadily.Corner around two axles can reach respectively ± and 180 ° and greater than ± 90 °, meet or exceed international like product standard, can solve present double-pendulum milling head because problem such as the volume that high auxiliary driving exists is big, rigidity is low, bearing capacity is low.Applicable to heavy five-shaft numerical control high-precision high-speed lathe, to satisfy the processing request of parts such as large-scale generating equipment, nuclear-plant, forging equipment, but and modularized design simple in structure, easy to manufacture, guarantee the motion of mechanism scope simultaneously, accuracy guarantee can and be demarcated by size design and be guaranteed.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is that dismantle milling head cover and milling head overlaps structural representation behind the side cover plate
Among Fig. 1, Fig. 2,1 is first controllable motor, and 2 is first shaft coupling, 3 is first roller gear, and 4 is second roller gear, and 5 are milling head cover upper cover plate, 6 is the milling head cover, and 7 is second controllable motor, and 8 is second shaft coupling, 9 is support, and 10 is travelling nut, and 11 is drive screw, 12 is first pair of connecting rod, and 13 is a pair of milling head cover side cover plate, and 14 is first pair of side link, 15 is second pair of connecting rod, and 16 is second pair of side link, and 17 is milling head electricity main shaft.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated: present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, 2, present embodiment comprises: first controllable motor, 1, the first shaft coupling 2, first roller gear, 3, the second roller gears 4, milling head cover upper cover plate 5, milling head cover 6, the second controllable motors 7, the second shaft couplings 8, support 9, travelling nut 10, drive screw 11, first pair of connecting rod 12,13, the first pairs of side links 14 of a pair of milling head cover side cover plate, 15, the second pairs of side links 16 of second pair of connecting rod, and milling head electricity main shaft 17.
Wherein, first controllable motor 1 is fixedlyed connected with first roller gear 3 by first shaft coupling 2, and second roller gear 4 is fixedlyed connected with milling head cover upper cover plate 5, and milling head cover upper cover plate 5 and a pair of milling head overlap side cover plate 13 and all overlap 6 with milling head and fixedly connected, and are used for installation.Second controllable motor 7 is installed on the support 9, and support 9 is fixed in the milling head cover 6.Drive screw 11 is fixedlyed connected with the axle of second controllable motor 7 by second shaft coupling 8.The first pair of connecting rod 12, the first pair of side link 14, the second pair of connecting rod 15 and the second pair of side link 16 are symmetrically arranged in the both sides of milling head electricity main shaft 17.One end of first pair of connecting rod 12 constitutes revolute pair with travelling nut 10 respectively, and the other end constitutes revolute pair with first pair of side link 14 respectively.One end of second pair of connecting rod 15 constitutes revolute pair with first pair of side link 14 respectively, and the other end constitutes revolute pair with second pair of side link 16 respectively.First pair of side link 14 and second pair of side link 16 all are connected on the milling head cover 6 by revolute pair, and wherein second pair of side link 16 fixedlyed connected with milling head electricity main shaft 17.
In the use, first controllable motor 1 of fixedlying connected with first roller gear 3 drives milling head cover 6 by gear drive and all members of being mounted thereon comprise the axis swing of milling head electricity main shaft 17 integral body along second roller gear 4, realize the swing of the one degree of freedom of milling head, its pivot angle can reach ± and 180 °.Second controllable motor 7 drives travelling nut 10 by drive screw 11 and moves back and forth, drive relative milling head cover 6 swings of fixed hinge axis of second pair of side link 16 and milling head electricity main shaft 17 by the first pair of connecting rod 12, the first pair of side link 14 and second pair of connecting rod 15 again along second pair of side link 16, thereby realize the swing of another free degree of milling head, its pivot angle can be greater than ± 90 °.
Claims (5)
1, a kind of single-screw drive type double pendulum angle milling head, comprise: first controllable motor, first shaft coupling, first roller gear, second roller gear, second controllable motor, second shaft coupling, drive screw, milling head electricity main shaft, it is characterized in that, also comprise: milling head cover upper cover plate, the milling head cover, support, travelling nut, first pair of connecting rod, second pair of connecting rod, first pair of side link, second pair of side link, a pair of milling head cover side cover plate, first controllable motor is fixedlyed connected with first roller gear by first shaft coupling, second roller gear is fixedlyed connected with milling head cover upper cover plate, and milling head cover upper cover plate is all fixedlyed connected with the milling head cover with a pair of milling head cover side cover plate, second controllable motor is arranged on the support, support is fixed in the milling head cover, drive screw is fixedlyed connected with the axle of second controllable motor by second shaft coupling, first pair of connecting rod, second pair of connecting rod, the first pair of side link and the second pair of side link are symmetrically arranged in the both sides of milling head electricity main shaft, one end of first pair of connecting rod constitutes revolute pair with travelling nut respectively, the other end constitutes revolute pair with first pair of side link respectively, one end of second pair of connecting rod constitutes revolute pair with first pair of side link respectively, the other end constitutes revolute pair with second pair of side link respectively, first pair and second pair of side link all are connected in milling head by revolute pair and put, and wherein second pair of side link fixedlyed connected with milling head electricity main shaft.
2, single-screw drive type double pendulum angle milling head according to claim 1, it is characterized in that, described first controllable motor, by gear drive drive the milling head cover and on all members, comprise milling head electricity main shaft, whole along the swing of the second roller gear axis, realize the swing of the one degree of freedom of milling head.
3, single-screw drive type double pendulum angle milling head according to claim 2 is characterized in that, described milling head electricity main shaft is ± 180 ° along the pendulum angle scope of the second roller gear axis.
4, single-screw drive type double pendulum angle milling head according to claim 1, it is characterized in that, described second controllable motor, driving travelling nut by drive screw moves back and forth, drive the relative milling head cover of the fixed hinge axis swing of second pair of side link and milling head electricity main shaft by the first pair of connecting rod, the first pair of side link and second pair of connecting rod again, thereby realize the swing of another free degree of milling head along second pair of side link.
5, single-screw drive type double pendulum angle milling head according to claim 4 is characterized in that, described milling head electricity main shaft along the pendulum angle scope of the fixed hinge axis of second pair of side link greater than ± 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100372945A CN100443252C (en) | 2007-02-08 | 2007-02-08 | Single-screw drive type double pendulum angle milling head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100372945A CN100443252C (en) | 2007-02-08 | 2007-02-08 | Single-screw drive type double pendulum angle milling head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101011797A true CN101011797A (en) | 2007-08-08 |
| CN100443252C CN100443252C (en) | 2008-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100372945A Expired - Fee Related CN100443252C (en) | 2007-02-08 | 2007-02-08 | Single-screw drive type double pendulum angle milling head |
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| CN (1) | CN100443252C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111283484A (en) * | 2020-04-08 | 2020-06-16 | 深圳市中勋精密机械有限公司 | Full-automatic groove blade grinding machine |
| CN111590091A (en) * | 2020-05-19 | 2020-08-28 | 科德数控股份有限公司 | Double-swing-angle spindle head |
| WO2021135761A1 (en) * | 2019-12-31 | 2021-07-08 | 科德数控股份有限公司 | Multi-link linkage angle accessory head |
| EP4086025A4 (en) * | 2019-12-31 | 2023-06-21 | Kede Numerical Control Co., Ltd. | Linkage swing head structure |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT236319Y1 (en) * | 1997-09-09 | 2000-08-08 | Vigel Spa | OPERATING HEAD FOR MACHINE TOOLS WITH NUMERIC CONTROL. |
| CN1093457C (en) * | 2000-01-05 | 2002-10-30 | 东北大学 | Two parallel-rods virtual shaft multifunctional machine tool |
| DE10141865B4 (en) * | 2001-08-27 | 2006-02-02 | Deckel Maho Pfronten Gmbh | Program-controlled universal milling and drilling machine |
| DE10251257B4 (en) * | 2002-11-04 | 2006-12-07 | Deckel Maho Pfronten Gmbh | Machining unit for a program-controlled milling and drilling machine |
| CN2644086Y (en) * | 2003-08-27 | 2004-09-29 | 江苏多棱数控机床股份有限公司 | Spindle head with double swing angle built-in electric spindle |
| CN1261279C (en) * | 2004-03-01 | 2006-06-28 | 西安理工大学 | Three-axle parallel mainshaft head structure for implemonting multidirection verticel-horizontal processing |
| CN2850806Y (en) * | 2005-05-24 | 2006-12-27 | 桂林机床股份有限公司 | Oscillating type AC axle linked milling head |
| CN2827621Y (en) * | 2005-07-27 | 2006-10-18 | 桂林机床股份有限公司 | Main transmission drive type AC axle automatic index cutter head |
| CN1788929A (en) * | 2005-12-20 | 2006-06-21 | 哈尔滨工业大学 | Five axis linkage parallel-tandem digital control machine tool |
-
2007
- 2007-02-08 CN CNB2007100372945A patent/CN100443252C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021135761A1 (en) * | 2019-12-31 | 2021-07-08 | 科德数控股份有限公司 | Multi-link linkage angle accessory head |
| KR20220104770A (en) * | 2019-12-31 | 2022-07-26 | 커더 뉴메리컬 컨트롤 컴퍼니 리미티드 | Multi-link interlocking angle attached head |
| EP4086025A4 (en) * | 2019-12-31 | 2023-06-21 | Kede Numerical Control Co., Ltd. | Linkage swing head structure |
| EP4086032A4 (en) * | 2019-12-31 | 2023-06-21 | Kede Numerical Control Co., Ltd. | Multi-link linkage angle accessory head |
| KR102618650B1 (en) | 2019-12-31 | 2023-12-28 | 커더 뉴메리컬 컨트롤 컴퍼니 리미티드 | Multi-link interlocking angled head |
| CN111283484A (en) * | 2020-04-08 | 2020-06-16 | 深圳市中勋精密机械有限公司 | Full-automatic groove blade grinding machine |
| CN111590091A (en) * | 2020-05-19 | 2020-08-28 | 科德数控股份有限公司 | Double-swing-angle spindle head |
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| Publication number | Publication date |
|---|---|
| CN100443252C (en) | 2008-12-17 |
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Granted publication date: 20081217 Termination date: 20120208 |