CN205764933U - The column of five-shaft linkage numerical control machining center - Google Patents
The column of five-shaft linkage numerical control machining center Download PDFInfo
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- CN205764933U CN205764933U CN201620502097.0U CN201620502097U CN205764933U CN 205764933 U CN205764933 U CN 205764933U CN 201620502097 U CN201620502097 U CN 201620502097U CN 205764933 U CN205764933 U CN 205764933U
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- machining center
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- numerical control
- crossbeam
- shaft linkage
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Abstract
This utility model relates to the column of a kind of five-shaft linkage numerical control machining center, it is characterised in that described column uses and expands formula door hole type structure in integral type.Column includes crossbeam (121) and two suspension columns (122).The central point (123) of crossbeam and the central point (124) of two suspension columns are misaligned.The end of crossbeam is more than the end of two suspension columns away from (h2) away from (h1).The resonant frequency of described machining center is higher than the processing frequency of described machining center.Advantage of the present utility model is, saves the floor space of machining center base, it is achieved the miniaturization of machining center, improves the space availability ratio that machining center uses；Ensure the center of gravity counterweight problem of enough processing strokes and machining center, it is ensured that the ultrahigh rigidity enabling capabilities of main shaft high-speed cutting；Improve the resonant frequency of column self so that machining center does not haves a resonance problem when high efficiency processing and altofrequency cutting simultaneously, thus be greatly enhanced the High-speed machining ability of machining center and the processing quality of part and surface smoothness.
Description
Technical field
This utility model relates to machinery manufacturing technology field, is specifically related to Machine Manufacture, especially
The column of five-shaft linkage numerical control machining center, particularly five-shaft linkage numerical control machining center.
Background technology
Along with Chinese national economy develops the needs with national defense construction rapidly, to high-grade, digitally controlled machine tools
Propose urgent wilderness demand.Lathe is the symbol of a national manufacturing industry level, and represents
The 5-shaft linkage numerical control lathe of machine-tool industry top level reflects the most in a sense
The integral status of one national industrial development.
5-shaft linkage numerical control lathe is also called 5-axis machining center.Machining center is generally divided into
Vertical machining centre and horizontal Machining centers.The gyroaxis of vertical machining centre has two ways,
One is work table rotation axle, and another kind is dependent on the revolution of vertical spindle head.For the former,
The workbench being arranged on base can turn round around X-axis, is defined as A axle, the general work of A axle
Make scope+30 degree to-120 degree.The centre of workbench is additionally provided with a rotary table, around Z axis
Revolution, is defined as C axle, and C axle is all 360 degree of revolutions.So by A axle and C axle
Combination, fixing workpiece on the table is in addition to bottom surface, and remaining five face can be by
Vertical spindle is processed.A axle and C axle minimum division value are generally 0.001 degree, the most again
Workpiece can be subdivided into arbitrarily angled, process inclined plane, angling hole etc..A axle and C axle
As realized linkage with XYZ tri-linear axis, so that it may process the space curved surface of complexity.This set
The advantage putting mode is the relatively simple for structure of main shaft, and main shaft rigidity is the best, manufacturing cost ratio
Relatively low.But general work platform can not design too big, and load-bearing is the least, particularly turn round when A axle
During more than or equal to 90 degree, during workpiece cutting, workbench can be brought the biggest carrying moment.Separately
A kind of revolution being dependent on vertical spindle head, front-end of spindle is a swiveling head, can cincture voluntarily
Z axis 360 degree, becomes C axle, swiveling head also has band can the A axle that pivots of ring, typically
Up to more than ± 90 degree, it is achieved above-mentioned same function.The advantage of this setup is main shaft
Processing is very flexible, and it is very big that workbench can also design, the huge fuselage of passenger plane, huge
Engine shell can process on this kind of machining center.
Chinese invention patent application 200910028286 discloses a kind of 5-shaft linkage numerical control processing
Center, including lathe bed, portal frame, it comprises two columns in left and right, and is arranged at therebetween
Gantry beam, gantry upright post front portion is installed and workbench can be made simultaneously directly to drive around what AC axle rotated
Formula dual spindle accurate rotating platform.It is provided with on described portal frame and can arrange to the crossbeam of motion, front portion by X
The slide carriage that Y-direction is moved, slide carriage front portion is had to be provided with the main shaft of Z-direction motion.Lathe bed and portal frame it
Between cavity in be provided with tool magazine.It is said that this invention has occupation of land few, save space, operate steadily,
Stable performance, shock resistance is good, can keep the effects such as precision for a long time.
Chinese invention patent application 201310418350 discloses a kind of five-axle linkage machining tool,
Including, it includes base, gantry upright post, processing department, workbench and oscillating table, described gantry
Column is arranged on described base, and described processing department is movably mounted at described gantry upright post
On, and it is positioned at the top of described base, described base is provided with the first guide rail and first and drives
Device, described workbench is movably mounted on described first guide rail, and drives with described first
Dynamic device connects, and described oscillating table is arranged on described workbench, the swinging axle of described oscillating table
Line is parallel to the bearing of trend of described first guide rail.It is said that this invention is due to the swinging axle of oscillating table
Line is parallel to the bearing of trend of the first guide rail, therefore stops moving along the first guide rail when workbench
Time, oscillating table will not produce unnecessary swing because of inertia, such that it is able to avoid pendulum effect
Generation, improve machining accuracy.
But, it is excessive that prior art yet suffers from machining center floor space, and center of gravity counterweight is irregular,
Resonance, stability is not enough, problem that workpiece surface finish is the best etc..
Utility model content
The purpose of this utility model is to overcome present in prior art one even more than skill
Art problem.
The present utility model people have been surprisingly found that, can realize this practicality by the following technical programs
Novel technical purpose.
The column of a kind of five-shaft linkage numerical control machining center, it is characterised in that described column uses
Upper expansion formula door hole type structure, it is preferable that described column uses and expands formula door hole type structure in integral type.
At a preferred aspect, described column includes crossbeam (121) and two suspension columns (122).?
One preferred aspect, described column is made up of crossbeam (121) and two suspension columns (122), and preferably
For overall structure one-shot forming, non-employing screw connecting structure, integrative-structure improves integrated connection
Rigidity.
At a preferred aspect, the central point (123) of described crossbeam and the central point of two suspension columns
(124) overlap or misaligned.
At a preferred aspect, the end of described crossbeam away from (h1) more than two suspension columns end away from
(h2)。
At a preferred aspect, described crossbeam is installed automatic tool changer.
At a preferred aspect, part that described crossbeam is prominent relative to suspension column and be positioned at crossbeam
The automatic tool changer counterweight of the other end.
At a preferred aspect, the main structure body of described crossbeam uses staggered form interconnection rib cloth
Office (125).It is that integral type high rigidity is whole at a preferred aspect, described crossbeam and two suspension columns
Body structure.
At a preferred aspect, the resonant frequency of described machining center is higher than described machining center
Processing frequency.
Can be mutually combined between above preferred aspect, but the technical characteristic in various aspects also that
This combination.
Compared to the prior art, this utility model has a following one or more advantage:
1. save the floor space of machining center base, it is achieved the miniaturization of machining center, improve
The space availability ratio that machining center uses；
2. ensure enough processing strokes；
3. solve the center of gravity counterweight problem of machining center；
4. ensure the ultrahigh rigidity enabling capabilities of main shaft high-speed cutting；
5. improve the resonant frequency of column self, it is to avoid the resonance problem of machining center；
6. improve the High-speed machining ability of machining center and the processing quality of part and any surface finish
Degree.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the column of one specific embodiments of the present invention；
Fig. 2 is the column sectional view along YZ plane of one specific embodiments of the present invention.
Detailed description of the invention
The utility model is described in further detail to combine accompanying drawing below by specific embodiments.
Fig. 1 shows the one of the column of the five-shaft linkage numerical control machining center that this utility model relates to
Individual specific embodiments.
Five-shaft linkage numerical control machining center (hereinafter referred to as lathe) can slide and AC along XYZ tri-axle
Two axles rotate, and can be along XYZAC five-axle linkage.5-shaft linkage numerical control lathe generally comprise with
Lower component:
Base；The horizontal pedestal being fixed on base and can slide along X-axis；It is fixed on horizontal base
On seat and the work stage that can rotate along A axle and C axle；The column being fixed on base；It is fixed on
On column and can along Y-axis slide longitudinal pedestal；It is fixed on longitudinal pedestal and can slide along Z axis
Dynamic main shaft；With the automatic tool changer being fixed on column.
Seeing Fig. 1-2, column uses inverted cone to extend out formula door hole type one height rigid structure, district
Not in existing upper and lower wide design.Structurally, column by crossbeam 121 and is positioned at both sides
Two suspension columns 122 formed, overall in door opening shape.Crossbeam 121 is along the projection width of Y-axis
H1 is more than two suspension columns projection width h2 along Y-axis.In the design that prior art is the most wide
In, h1 is substantially equal to h2.
In the design of the present embodiment, from the point of view of the cross section of Fig. 2, crossbeam pleurapophysis the most to the right
Go out so that the central point 123 of crossbeam and the central point 124 of two suspension columns are misaligned, both it
Between there is the projector distance along Y-axis.
Certainly, in some technical scheme, crossbeam also can be the most equidistant prominent, thus
The central point 123 of crossbeam and the central point 124 of two suspension columns overlap.
Of the present utility model on this design of expansion formula door hole type structure can save lathe to greatest extent
The floor space of base, and ensure that the center of gravity counterweight of enough processing strokes and lathe is asked simultaneously
Topic, it is ensured that main shaft carries out ultrahigh rigidity enabling capabilities during high-speed cutting.
It addition, inside column, the especially main structure body of crossbeam, use staggered form interconnection rib
Layout 125, as in figure 2 it is shown, design is strengthened in this anti-resonance can be greatly improved column self
Resonant frequency so that lathe does not haves resonance ask when high efficiency processing and altofrequency cutting
Topic, thus it is greatly enhanced the High-speed machining ability of lathe and the processing quality of part and surface light
Cleanliness.
The Combinatorial Optimization of above-mentioned design feature machine pillar and the resonant frequency of whole lathe
Interval so that the resonant frequency of lathe is much higher than machine tooling frequency, thus is fundamentally keeping away
Exempt from the appearance of resonance problem.
On the other hand, use extends out the design of formula door opening can effectively shorten the hollow span of column,
Improve the integral rigidity of column so that crossbeam and suspension column become an overall enclosed construction, on
Under width narrow, it is ensured that it is sagging that main shaft is processed not havinging ultramicron during operation in the middle part of column
Problem.
This area uses the most wide design always, it is to avoid use the wide at the top and narrow at the bottom formula that extends out to tie
Structure, in order to avoid promoting the center of gravity of column, crank when causing machine tooling.But, this practicality
Novel inventors be surprised to learn that, by making the amount of extending out the extending out more than opposite side of column side
Amount, is more than the amount of extending out in left side, main shaft adding in Y-axis than the right side amount of extending out as shown in Figure 2
Industrial and commercial bank's journey is increased, and more can realize and certainly the moving of left side additionally, this imbalance extends out
The counterweight of cutter system so that column can carry uniformly in left and right, it is not easy to deformation, also can subtract
The installation Area of bearing of post, it is achieved the miniaturization of lathe, improves the space profit that lathe uses
By rate.
It should be noted that as space is limited, this utility model is not described in five-axle linkage number
The further details of control lathe, such as along X, the implementation that Y and Z axis slide,
Driving motor, servomotor, control system, tooling system, knife-changing system etc., but this
The details of a little technical elements is all within the general knowledge and limit of power of those skilled in the art.Ability
Field technique personnel also refer to the prior art literature that this utility model is quoted.This utility model draws
Document be expressly incorporated herein in entirety by reference, original text is quoted from this seemingly.
Claims (9)
1. the column of a five-shaft linkage numerical control machining center, it is characterised in that described column is adopted
By expansion formula door hole type structure.
2. the column of five-shaft linkage numerical control machining center as claimed in claim 1, its feature exists
In, described column includes crossbeam (121) and two suspension columns (122).
3. the column of five-shaft linkage numerical control machining center as claimed in claim 2, its feature exists
In, the central point (123) of described crossbeam and the central point (124) of two suspension columns overlap.
4. the column of five-shaft linkage numerical control machining center as claimed in claim 2, its feature exists
In, the central point (123) of described crossbeam and the central point (124) of two suspension columns are misaligned.
5. the column of five-shaft linkage numerical control machining center as claimed in claim 2, its feature exists
In, the end of described crossbeam is more than the end of two suspension columns away from (h2) away from (h1).
6. the column of five-shaft linkage numerical control machining center as claimed in claim 2, its feature exists
In, described crossbeam is installed automatic tool changer.
7. the column of five-shaft linkage numerical control machining center as claimed in claim 6, its feature exists
In, the part that described crossbeam highlights relative to suspension column and the automatic tool changer system being positioned at the crossbeam other end
System counterweight.
8. the column of five-shaft linkage numerical control machining center as claimed in claim 2, its feature exists
In, the main structure body of described crossbeam uses staggered form interconnection rib layout (125).
9. the five-shaft linkage numerical control machining center as described in claim 1-8 any one is vertical
Post, it is characterised in that the resonant frequency of described machining center is higher than the processing of described machining center
Frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620502097.0U CN205764933U (en) | 2016-05-27 | 2016-05-27 | The column of five-shaft linkage numerical control machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620502097.0U CN205764933U (en) | 2016-05-27 | 2016-05-27 | The column of five-shaft linkage numerical control machining center |
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| Publication Number | Publication Date |
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| CN205764933U true CN205764933U (en) | 2016-12-07 |
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| CN201620502097.0U Active CN205764933U (en) | 2016-05-27 | 2016-05-27 | The column of five-shaft linkage numerical control machining center |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112719941A (en) * | 2020-12-24 | 2021-04-30 | 广东普拉迪科技股份有限公司 | Double-column type vertical machining center |
-
2016
- 2016-05-27 CN CN201620502097.0U patent/CN205764933U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112719941A (en) * | 2020-12-24 | 2021-04-30 | 广东普拉迪科技股份有限公司 | Double-column type vertical machining center |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |