CN115302265A - Five-axis head for five-axis linkage machining - Google Patents
Five-axis head for five-axis linkage machining Download PDFInfo
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- CN115302265A CN115302265A CN202210991005.XA CN202210991005A CN115302265A CN 115302265 A CN115302265 A CN 115302265A CN 202210991005 A CN202210991005 A CN 202210991005A CN 115302265 A CN115302265 A CN 115302265A
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- 238000003754 machining Methods 0.000 title claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000020347 spindle assembly Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 8
- 238000012545 processing Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
- B23Q17/2428—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves for measuring existing positions of tools or workpieces
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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- Optics & Photonics (AREA)
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Abstract
The invention relates to a five-axis head for five-axis linkage machining, which comprises a C-axis assembly, an A-axis assembly and a main shaft assembly; the shaft assembly A comprises a shaft assembly A shell and a water jacket, the shaft assembly A shell is fixedly connected with the shaft assembly C, and the main shaft assembly is fixed on the water jacket; the C-axis assembly comprises a C-axis shell, and the C-axis shell is arranged in a ram of the gantry machining center; the five-axis linkage machining is adopted, so that the multi-surface machining of the machined part can be realized in the one-time clamping process of the same machine tool, the part transferring process is omitted in the one-time clamping machining, and the machining precision of the part is improved.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a five-axis head for five-axis linkage machining.
Background
The gantry machining center is a machining center with a main shaft axis perpendicular to the workbench, and the gantry machining center is a portal frame and is composed of double columns, a top beam and a cross beam in the middle. The method is particularly suitable for processing large workpieces and workpieces with complex shapes.
With the development of industry, the structure of parts is more and more complicated, and the processing condition of complex curved surface is more and more. This requires a significant increase in the machining capacity of the machine tool, and the triple linkage and quadruple linkage have not been able to meet the machining requirements.
In view of the above technical problems, improvements are needed.
Disclosure of Invention
The five-axis head for five-axis linkage machining is simple in structure, ingenious in design and capable of improving machining accuracy of parts.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a five-axis head for five-axis linkage machining comprises a C-axis assembly, an A-axis assembly and a main shaft assembly; the shaft assembly A comprises a shaft assembly A shell and a water jacket, the shaft assembly A shell is fixedly connected with the shaft assembly C, and the main shaft assembly is fixed on the water jacket; the C-axis assembly comprises a C-axis shell, and the C-axis shell is installed in a ram of the gantry machining center.
As a preferable scheme of the invention, the C shaft assembly comprises a C shaft torque motor, a C shaft rotor mounting seat, a C shaft connecting sleeve and a C shaft connecting screw; the outer ring of the C-axis torque motor is fixed with the C-axis shell and does not rotate along with the C-axis component; the inner ring of the C-axis torque motor is fixed with the C-axis rotor mounting seat and can be twisted together with the motor after the motor is twisted; the shaft C connecting sleeve is fixed on the shaft C rotor mounting base and is connected with the shaft A shell through a shaft C connecting screw.
As a preferable scheme of the invention, the C-axis assembly comprises a C-axis grating ruler which is used for reading the current angular position of the C-axis and feeding back the angular position to the system.
As a preferred scheme of the invention, the C shaft assembly comprises a C shaft brake for locking the C shaft to rotate.
As a preferred scheme of the invention, the shaft assembly A comprises a shaft A torque motor, a shaft A motor base and a shaft A connecting screw; the shaft A connecting screw and the shaft A motor base are connected with the water jacket, and the shaft A motor base is fixed on the shaft A torque motor.
As a preferable scheme of the present invention, the a-axis assembly includes an a-axis grating ruler for reading the current angular position of the a-axis and feeding back the angular position to the system.
As a preferable scheme of the invention, the A shaft assembly comprises an A shaft brake for locking the A shaft to rotate.
As a preferable scheme of the invention, the spindle assembly comprises an electric spindle, the electric spindle is connected with the water jacket, and an upper cover and a side cover are arranged on the outer side of the electric spindle.
As a preferred scheme of the invention, the shaft assembly A further comprises a waterway sleeve, the shaft assembly A is sleeved on the waterway sleeve, and a waterway plate is fixedly arranged on the outer side of the waterway sleeve.
The beneficial effects of the invention are:
1. the five-axis linkage machining head is simple in structure and ingenious in design, and the five-axis linkage machining function of the complex curved surface is realized by the five-axis head for five-axis linkage machining.
2. The five-axis linkage machining is adopted, so that the multi-surface machining of the machined part can be realized in the one-time clamping process of the same machine tool, the part transferring process is omitted in the one-time clamping machining, and the machining precision of the part is improved.
3. The shaft A has a double-motor structure on two sides, and is stressed stably in the rotating process and the machining process is stable.
4. According to the invention, the axes A and C are provided with the high-precision circular grating rulers, so that the rotation precision of the axes A and C is greatly improved.
5. The shaft A and the shaft C are directly driven by the large-torque motor, so that a complex speed reduction system is omitted, and the assembly is easy; the transmission chain is shortened, so that the weight of five shafts is greatly reduced, and the subsequent maintenance and repair are facilitated; compact structure and good stability.
6. The spindle assembly of the invention abandons the use of a mechanical spindle and directly adopts a high-rotation-speed electric spindle, thereby improving the processing efficiency of a processed part.
7. According to the invention, the C-axis and the A-axis are all provided with large through holes, all pipelines can be connected inside the five-axis head, and the attractiveness and simplicity of the overall appearance are ensured.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a side view of an embodiment of the present invention;
FIG. 3 isbase:Sub>A cross-sectional view A-A of FIG. 2 according to an embodiment of the present invention;
FIG. 4 is an assembly view of the spindle assembly and A-shaft assembly configuration of the present invention;
FIG. 5 is an assembly view of the spindle assembly of the embodiment of the present invention with the A-axis assembly structure with the A-axis housing removed;
reference numbers in the figures: c axle housing 1,C axle torque motor 2,C axle rotor mounting 3,C axle connecting sleeve 4,C axle connecting screw 5,C axle brake 6,A axle housing 7,A axle torque motor 8,A axle motor mounting 9,A axle connecting screw 10, water jacket 11, C axle grating ruler 12, A axle grating ruler 13, A axle brake 14, upper flange 20, electric main axle 30, upper cover 31, side cover 32, motor flange 33, A axle rotor mounting 34, waterway sleeve 35, waterway plate 36, main axle assembly 100, A axle assembly 200, C axle assembly 300.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.
The embodiment is as follows:
the invention provides a five-axis head for five-axis linkage machining, and particularly relates to a five-axis head for five-axis linkage machining used in a gantry machining center and used for machining a complex curved surface, as shown in 1-5.
The gantry machining center can realize X, Y, Z three-axis linkage; in order to realize five-axis linkage, only two linkage shafts A, C are needed to be added. As shown in fig. 1, the five-axis head is composed of a C-axis assembly 300, an a-axis assembly 200 and a main axis assembly 100. The C-axis assembly 300 realizes C-axis rotation, the A-axis assembly 200 realizes A-axis swinging, and the spindle assembly 100 realizes cutting machining.
The five-axis linkage machining device is simple in structure and ingenious in design, and the five-axis linkage machining function of the complex curved surface is realized by the five-axis head for the five-axis linkage machining; meanwhile, by adopting five-axis linkage machining, multi-surface machining of a machined part can be realized in the one-time clamping process of the same machine tool, the process of part transfer is omitted in one-time clamping machining, and the machining precision of the part is improved.
The C-axis assembly comprises a C-axis shell 1, a C-axis torque motor 2,C axis rotor mounting seat 3,C axis connecting sleeve 4,C axis connecting screw 5,C axis brake 6 and a C-axis grating ruler 12; the C-axis shell 1 is arranged in a ram of a gantry machining center, an upper flange 20 is arranged at the top of the C-axis shell 1, and the outer ring of the C-axis torque motor 2 is fixed with the C-axis shell 1 and does not rotate along with the C-axis; the inner ring of the C-axis torque motor 2 is fixed with the C-axis rotor mounting base 3, and the C-axis torque motor 2 can be twisted together with the motor after being twisted; the C-axis connecting sleeve 4 is fixed on the C-axis rotor mounting base 3 and is connected with the A-axis shell 7 through a C-axis connecting screw 5. In this way, when the C-axis torque motor 2 is twisted, it is possible to realize the rotation of the a-axis system about the C-axis rotation axis to realize the C-axis rotation function.
The C-axis grating ruler 12 is arranged on the C-axis, and along with the rotation motion of the C-axis, the C-axis grating ruler 12 can read the current angular position of the C-axis and feed back the current angular position to the system, so that the control of the angular position of the C-axis is realized, and the rotation linkage of the C-axis is realized; the C-axis grating scale 12 is a high-precision circular grating scale, so that the rotation precision of the C-axis is greatly improved.
The C-axis brake 6 is used for the machining working condition that the C-axis does not need to rotate, and the C-axis is locked to rotate so as to prevent the C-axis from being influenced by vibration in machining.
The swing principle of the A axis is similar to that of the C axis.
The A-axis assembly 200 comprises an A-axis shell 7, an A-axis torque motor 8, an A-axis motor base 9, an A-axis connecting screw 10, a water jacket 11, an A-axis grating ruler 13 and an A-axis brake 14. Specifically, the shaft assembly A200 is of a double-motor structure on two sides, stress is stable in the rotation process of the shaft assembly A, and the machining process is stable.
The shaft A shell 7 is fixedly connected with the shaft C300, the spindle assembly 100 is fixed on the water jacket 11, the water jacket 11 is connected with the shaft A motor base 9 through a shaft A connecting screw 10, the shaft A motor base 9 is fixed on the shaft A torque motor 8, and a motor flange 33 is installed on the outer side of the shaft A torque motor 8.
In the embodiment, the spindle assembly 100 abandons the use of a mechanical spindle, and directly adopts a high-rotation-speed electric spindle, so that the processing efficiency of a processed part is improved; when the A-axis torque motor 8 rotates, the A-axis motor base 9 is driven to rotate, so that the water jacket 11 and the spindle assembly 100 are driven to rotate, and the swing of the A-axis is realized; the spindle assembly 100 comprises an electric spindle 30, the electric spindle 30 is connected with the water jacket 11, and an upper cover 31 and a side cover 32 are mounted on the outer side of the electric spindle 30.
The A shaft assembly 200 further comprises a waterway sleeve 35, the waterway sleeve 35 is sleeved with the A shaft rotor mounting base 34, and a waterway plate 36 is fixedly arranged on the outer side of the waterway sleeve 35; the A-axis grating ruler 13 is arranged on the A-axis assembly 200 and can read the swing angle of the A-axis at present and feed back to the system, so that the linkage of the A-axis is realized; specifically, the a-axis grating scale 13 is a high-precision circular grating scale, so that the rotation precision of the a-axis is greatly improved.
The A-axis assembly 200 is provided with an A-axis brake 14 for locking when no oscillation is required.
In the embodiment, the shaft A and the shaft C are directly driven by the large-torque motor, so that a complex speed reducing system is omitted, and the assembly is easy; the transmission chain is shortened, so that the weight of five shafts is greatly reduced, and the subsequent maintenance and repair are facilitated; compact structure and good stability.
Meanwhile, the C-axis A shaft is provided with a large through hole, all pipelines can be connected inside the five-axis head, and the attractiveness and simplicity of the overall appearance are guaranteed.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more here: c-axis housing 1,C, axis torque motor 2,C, axis mount 3,C, axis connection sleeve 4,C, axis connection screw 5,C, axis brake 6,A, axis housing 7,A, axis torque motor 8,A, axis motor mount 9,A, axis connection screw 10, water jacket 11, C-axis grating 12, a-axis grating 13, a-axis brake 14, upper flange 20, electric spindle 30, upper cover 31, side cover 32, motor flange 33, a-axis rotor mount 34, waterway sleeve 35, waterway plate 36, spindle assembly 100, a-axis assembly 200, C-axis assembly 300, and the like terms, but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to the spirit of the present invention.
Claims (10)
1. A five-axis head for five-axis linkage machining is characterized in that: comprises a C shaft assembly (300), an A shaft assembly (200) and a main shaft assembly (100); the A shaft assembly (200) comprises an A shaft shell (7) and a water jacket (11), the A shaft shell (7) is fixedly connected with the C shaft assembly (300), and the main shaft assembly (100) is fixed on the water jacket (11); the C-axis assembly (300) comprises a C-axis shell (1), and the C-axis shell (1) is installed in a ram of the gantry machining center.
2. The five-axis head for five-axis linkage machining according to claim 1, characterized in that: the C-axis assembly (300) comprises a C-axis torque motor (2), a C-axis rotor mounting base (3), a C-axis connecting sleeve (4) and a C-axis connecting screw (5); the outer ring of the C-axis torque motor (2) is fixed with the C-axis shell (1) and does not rotate along with the C-axis component; the inner ring of the C-axis torque motor (2) is fixed with the C-axis rotor mounting base (3) and can be twisted together with the motor after the motor is twisted; the C-axis connecting sleeve (4) is fixed on the C-axis rotor mounting base (3) and is connected with the A-axis shell (7) through a C-axis connecting screw (5).
3. The five-axis head for five-axis linkage machining according to claim 2, characterized in that: the C-axis assembly (300) comprises a C-axis grating ruler (12) which is used for reading the current angular position of the C-axis and feeding back the angular position to the system.
4. The five-axis head for five-axis linkage machining according to claim 2, characterized in that: the C-axis assembly (300) comprises a C-axis brake (6) for locking the C-axis to rotate.
5. The five-axis head for five-axis linkage machining according to claim 1, characterized in that: the A shaft component (200) is
Double-motor structure on both sides.
6. The five-axis head for five-axis linkage machining according to claim 1, characterized in that: the A shaft assembly (200) comprises an A shaft torque motor (8), an A shaft motor base (9) and an A shaft connecting screw (10); the shaft A connecting screw (10) and the shaft A motor base (9) are connected with the water jacket (11), and the shaft A motor base (9) is fixed on the shaft A torque motor (8).
7. The five-axis head for five-axis linkage machining according to claim 6, characterized in that: the A-axis assembly (200) comprises an A-axis grating ruler (13) which is used for reading the current angular position of the A-axis and feeding back the angular position to the system.
8. The five-axis head for five-axis linkage machining according to claim 6, characterized in that: the A-axle assembly (200) includes an A-axle brake (14) for locking rotation of the A-axle.
9. The five-axis head for five-axis linkage machining according to claim 1, characterized in that: the spindle assembly (100) comprises an electric spindle (30), the electric spindle (30) is connected with the water jacket (11), and an upper cover (31) and a side cover (32) are installed on the outer side of the electric spindle (30).
10. The five-axis head for five-axis linkage machining according to claim 8, characterized in that: the shaft assembly A (200) further comprises a waterway sleeve (35), the shaft A rotor mounting base (34) is sleeved on the waterway sleeve (35), and a waterway plate (36) is fixedly arranged on the outer side of the waterway sleeve (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210991005.XA CN115302265A (en) | 2022-08-18 | 2022-08-18 | Five-axis head for five-axis linkage machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210991005.XA CN115302265A (en) | 2022-08-18 | 2022-08-18 | Five-axis head for five-axis linkage machining |
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| Publication Number | Publication Date |
|---|---|
| CN115302265A true CN115302265A (en) | 2022-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210991005.XA Pending CN115302265A (en) | 2022-08-18 | 2022-08-18 | Five-axis head for five-axis linkage machining |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101417397A (en) * | 2008-10-23 | 2009-04-29 | 常州市三利精机有限公司 | Detachable double-swing cutting accessories head |
| CN103231270A (en) * | 2013-04-27 | 2013-08-07 | 桂林电子科技大学 | Zero transmission six-shaft linkage numerical control milling head |
| CN103418805A (en) * | 2013-08-20 | 2013-12-04 | 苏州江源精密机械有限公司 | Mechanical A/C axle linkage double pendulum cutter head |
| CN108500706A (en) * | 2018-04-08 | 2018-09-07 | 沈阳广达科技发展有限公司 | A kind of bilateral V shape precision five-axis head power plant |
| CN113334098A (en) * | 2021-06-28 | 2021-09-03 | 东莞市巨冈机械工业有限公司 | High-speed five-axis machining center |
-
2022
- 2022-08-18 CN CN202210991005.XA patent/CN115302265A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101417397A (en) * | 2008-10-23 | 2009-04-29 | 常州市三利精机有限公司 | Detachable double-swing cutting accessories head |
| CN103231270A (en) * | 2013-04-27 | 2013-08-07 | 桂林电子科技大学 | Zero transmission six-shaft linkage numerical control milling head |
| CN103418805A (en) * | 2013-08-20 | 2013-12-04 | 苏州江源精密机械有限公司 | Mechanical A/C axle linkage double pendulum cutter head |
| CN108500706A (en) * | 2018-04-08 | 2018-09-07 | 沈阳广达科技发展有限公司 | A kind of bilateral V shape precision five-axis head power plant |
| CN113334098A (en) * | 2021-06-28 | 2021-09-03 | 东莞市巨冈机械工业有限公司 | High-speed five-axis machining center |
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