CN104191299A - Bi-rotary milling head directly driven by torque motors - Google Patents
Bi-rotary milling head directly driven by torque motors Download PDFInfo
- Publication number
- CN104191299A CN104191299A CN201410424228.3A CN201410424228A CN104191299A CN 104191299 A CN104191299 A CN 104191299A CN 201410424228 A CN201410424228 A CN 201410424228A CN 104191299 A CN104191299 A CN 104191299A
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- China
- Prior art keywords
- torque motor
- spindle
- rotary milling
- torque motors
- milling head
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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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/10—Driving main working members rotary shafts, e.g. working-spindles driven essentially by electrical means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to numerical control machine tool rotary milling heads, in particular to a bi-rotary milling head directly driven by torque motors. The bi-rotary milling head comprises a universal support, a high-speed spindle, a spindle support, the torque motors, an installation flange and an oil gas coupler, wherein the universal support comprises an installation groove and a connecting pillar, the installation groove comprises two opposite surfaces, the torque motors are fixed between the two opposite surfaces and fixed to the pillar surface of the connecting pillar respectively, the high-speed spindle and the connecting pillar are concentrically arranged in the installation groove, the spindle support penetrates through the high-speed spindle in the radial direction, the high-speed spindle and the spindle support are fixed together, the two ends of the spindle support are fixedly connected with the torque motor arranged between the two opposite surfaces, the inner surface of the installation flange is arranged on the connecting pillar in a sleeved mode and fixedly connected with the shells of the torque motors, and the oil gas coupler is arranged on the top surface of the installation flange. The bi-rotary milling head has the advantages that machining precision is improved effectively, the structure is simplified, operation is more flexible, and outline machining precision under the condition of motion direction change is improved greatly.
Description
Technical field
The present invention relates to Digit Control Machine Tool yaw, relate in particular to a kind of torque motor direct-drive type Double swing head.
Background technology
Along with the fast development of Chinese national economy, science and techniques of defence, aerospace field is extensively using under the background of new material, require manufacturing technology and process means to improve constantly, the high-grade, digitally controlled machine tools demand with features such as high speed, multi-shaft interlocked, operation Composites is increasing.
In order to adapt to demand and the processing needs in market, domestic many enterprises are from external import 5-shaft linkage numerical control lathe, Importing Foreign Advanced Technology, independent research five axle yaws.But because the research and development time is shorter, five axle yaws using and researching and developing and be also in lower level at home.What most domestic five axle yaws adopted is that the transmission of servomotor driven gear completes five axle processing, its machining accuracy is greatly improved compared with three axles, four axle lathes, but because relying on servomotor driven gear, traditional five axle yaws rotate, its machine error is larger on the impact of machining accuracy, add the gear drive of yaw, make yaw complex structure, the interference between part has impact to precision too.Due to above reason, five-axis linkage machine tools improves limited to the machining accuracy of part, do not reach five axles and process due level.
Summary of the invention
Technical problem solved by the invention is to overcome five-axis linkage machine tools and the processing of part is not reached to five axles processing should has the problem of level, and a kind of torque motor direct-drive type Double swing head is provided.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of torque motor direct-drive type Double swing head, comprises gimbals, high-speed main spindle, spindle carrier, torque motor, mounting flange and oil gas coupler; Described gimbals comprise a mounting groove and a joint pin, and described mounting groove comprises two opposites, and described torque motor is individually fixed on the inside of two described opposites and the cylinder of described joint pin; Described high-speed main spindle and joint pin are located in mounting groove with one heart, and high-speed main spindle is radially run through by described spindle carrier along it, and high-speed main spindle and spindle carrier interfix, the two ends of spindle carrier respectively with two opposites in torque motor affixed; The inner surface of described mounting flange is sheathed on joint pin and is affixed with the shell of torque motor; Described oil gas coupler is arranged at the end face of mounting flange.
Beneficial effect of the present invention is: utilize built-in torque motor direct to drive yaw, effectively improved machining accuracy, and simplified yaw structure, make yaw running more flexible, the contour machining precision that torque motor changes for the direction of motion increases significantly; And compared with the existing five axle yaws in market, volume is little, goes slick, and reliability is higher, effectively completes under the prerequisite of processing request, can farthest improve the efficiency of processing, has very wide application prospect.
Brief description of the drawings
Fig. 1 is the structural representation of the torque motor direct-drive type Double swing head of the embodiment of the present invention.
Label declaration:
1, high-speed main spindle; 2, the first torque motor; 3, clutch shaft bearing; 4, spindle carrier; 5, first brake system; 6, gimbals; 7, mounting flange; 8, the second bearing; 9, the second torque motor; 10, the second brake system; 11, oil gas coupler.
Detailed description of the invention
By describing technology contents of the present invention in detail, being realized object and effect, below in conjunction with embodiment and coordinate accompanying drawing to be explained in detail.
The design of most critical of the present invention is: utilize built-in torque motor direct to drive yaw, effectively improved machining accuracy, and simplified yaw structure, make yaw running more flexible, the contour machining precision that torque motor changes for the direction of motion increases significantly.
Refer to Fig. 1, this detailed description of the invention by the following technical solutions: a kind of torque motor direct-drive type Double swing head, comprises gimbals 6, high-speed main spindle 1, spindle carrier 4, torque motor, mounting flange 7 and oil gas coupler 11.
Described gimbals 6 comprise a mounting groove and a joint pin, and described mounting groove comprises two opposites, and described torque motor is individually fixed on the inside of two described opposites and the cylinder of described joint pin.
Described high-speed main spindle 1 is located in mounting groove with one heart with joint pin, and high-speed main spindle 1 is radially run through by described spindle carrier 4 along it, and high-speed main spindle 1 interfixes with spindle carrier 4, the two ends of spindle carrier 4 respectively with two opposites in torque motor affixed.
The inner surface of described mounting flange 7 is sheathed on joint pin and is affixed with the shell of torque motor.
Described oil gas coupler 11 is arranged at the end face of mounting flange 7.
From foregoing description, beneficial effect of the present invention is: utilize built-in torque motor direct to drive yaw, effectively improved machining accuracy, and simplified yaw structure, make yaw running more flexible, the contour machining precision that torque motor changes for the direction of motion increases significantly; And compared with the existing five axle yaws in market, volume is little, goes slick, and reliability is higher, effectively completes under the prerequisite of processing request, can farthest improve the efficiency of processing, has very wide application prospect.
Further, also comprise brake system and bearing, described brake system and bearing are located at respectively described torque motor two ends.
From foregoing description, brake system is for braking moment motor, and bearing is for reducing the load coefficient of friction of transmission process.
Please refer to Fig. 1, embodiments of the invention 1 are: a kind of torque motor direct-drive type Double swing head, comprise gimbals 6, high-speed main spindle 1, spindle carrier 4, mounting flange 7 and oil gas coupler 11, and the first torque motor 2, the second torque motor 9, clutch shaft bearing 3, the second bearing 8, first brake system 5, the second brake system 10.
Described gimbals 6 comprise a mounting groove and a joint pin, and mounting groove comprises two opposites.The first torque motor 2 is fixed on the inside of two described opposites, and the two ends of the first torque motor 2 are respectively equipped with clutch shaft bearing 3 and first brake system 5; The second torque motor 9 is installed on the cylinder of joint pin, and the two ends of the second motor 9 are respectively equipped with the second bearing 8 and the second brake system 10.The first torque motor 2 is for directly drive shaft support 4 is along the A axle rotation shown in Fig. 1, and the second torque motor 9 drives gimbals 6 along the C axle rotation shown in Fig. 1 by mounting flange 7.
Described high-speed main spindle 1 is located in mounting groove with one heart with joint pin, high-speed main spindle 1 is radially run through by described spindle carrier 4 along it, high-speed main spindle 1 interfixes with spindle carrier 4, the two ends of spindle carrier 4 respectively with two opposites in the first torque motor 2 affixed.
The inner surface of described mounting flange 7 is sheathed on joint pin and is affixed with the shell of the second torque motor 9.
Described oil gas coupler 11 is arranged at the end face of mounting flange.
The principle of this embodiment is: utilize built-in torque motor directly to drive yaw, the power of the second torque motor 9 is directly driven to gimbals 6 by mounting flange 7, can utilize the direct drive shaft support 4 of the first torque motor 2, the direct driving of realizable force torque motor to main tapping simultaneously; Bimoment electric-machine directly-driven yaw adopts built-in torque motor, has greatly saved space, and by the mode of direct driving, the machine error of having avoided pilot process to produce, effectively raises machining accuracy.
In sum, torque motor direct-drive type Double swing head provided by the invention has 5 following advantages with other equipment in being combined with.
1, reduce the noise of machine operation, improve smooth running degree: in mechanical drive train, mechanical noise has not existed, and the noise that high-speed rotary part rotation imbalance brings greatly reduces.
2, improve the machining accuracy of control accuracy and lathe: the drive gap of reducing gear has strengthened transmission departure, reduce the structural resonance frequency of system, adopt after the torque motor that rotating speed is low, output torque is large, system gain can further improve, dynamic, the static error of control object are all effectively controlled, thereby significantly improved the contour accuracy when direction of motion changes, and its repeatable accuracy also significantly improves.
3, simplify yaw structure, improve its flexibility: common electric machine generally will slow down and just can reach the requirement of low rotation speed large torque through 2～3 grades of reductors, the huge heaviness of mechanism, and this programme adopts that rotating speed is low, the volume and weight of torque motor that output torque is large is conventionally less than the half of motor of the same type and reductor sum, and parts simple in structure are few, dismounting is keeped in repair more for convenience.
4, when improving yaw precision, also greatly reduce and use and maintenance cost: existing gear drive yaw precision is poor, and adopt the way raising precision of pasting circle grating to need to spend high cost, due to the reason of processing environment, circle grating be vulnerable to pollute and damage, and its maintenance cost and difficulty also higher; The torque motor that this programme adopts also can carry encoder and directly feed back yaw working order, effectively raises yaw control accuracy, has saved greatly use and maintenance cost.
5, raising lathe yaw maintainability: lubricating oil can not leak, and equipment also greatly reduces the requirement of installation, debugging, maintenance, and because high speed rotating and faults such as vibrating the wearing and tearing, the parts that cause are loosening, distortion, fatigue failure greatly reduce.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalents of utilizing description of the present invention and accompanying drawing content to do, or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (2)
1. a torque motor direct-drive type Double swing head, is characterized in that, comprises gimbals, high-speed main spindle, spindle carrier, torque motor, mounting flange and oil gas coupler;
Described gimbals comprise a mounting groove and a joint pin, and described mounting groove comprises two opposites, and described torque motor is individually fixed on the inside of two described opposites and the cylinder of described joint pin;
Described high-speed main spindle and joint pin are located in mounting groove with one heart, and high-speed main spindle is radially run through by described spindle carrier along it, and high-speed main spindle and spindle carrier interfix, the two ends of spindle carrier respectively with two opposites in torque motor affixed;
The inner surface of described mounting flange is sheathed on joint pin and is affixed with the shell of torque motor;
Described oil gas coupler is arranged at the end face of mounting flange.
2. torque motor direct-drive type Double swing head according to claim 1, is characterized in that, also comprises brake system and bearing, and described brake system and bearing are located at respectively described torque motor two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410424228.3A CN104191299A (en) | 2014-08-26 | 2014-08-26 | Bi-rotary milling head directly driven by torque motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410424228.3A CN104191299A (en) | 2014-08-26 | 2014-08-26 | Bi-rotary milling head directly driven by torque motors |
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| Publication Number | Publication Date |
|---|---|
| CN104191299A true CN104191299A (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410424228.3A Pending CN104191299A (en) | 2014-08-26 | 2014-08-26 | Bi-rotary milling head directly driven by torque motors |
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| CN (1) | CN104191299A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108772714A (en) * | 2018-08-01 | 2018-11-09 | 宁波海天精工股份有限公司 | A kind of double pendulum direct-drive type AC yaws |
| CN111730362A (en) * | 2020-07-28 | 2020-10-02 | 北京博鲁斯潘精密机床有限公司 | High-rigidity high-precision high-speed five-axis linkage numerical control machine tool AC/BC spindle driving swing head |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101428395A (en) * | 2008-12-04 | 2009-05-13 | 大连理工大学 | AC permanent magnet disc type torque motor drived large-torque double-pendulum milling head |
| CN102049705A (en) * | 2010-11-12 | 2011-05-11 | 中捷机床有限公司 | Direct-drive high-speed five-axis gantry machining center with replaceable milling head |
| WO2012052058A1 (en) * | 2010-10-21 | 2012-04-26 | Imo Holding Gmbh | Milling head for a gear cutting machine and method for producing gear teeth |
| CN103121167A (en) * | 2013-01-25 | 2013-05-29 | 陈邕 | Torque motor direct drive type A/C shaft double oscillation angle numerical control mill head |
| CN203993302U (en) * | 2014-08-26 | 2014-12-10 | 江西佳时特数控技术有限公司 | Torque motor direct-drive type Double swing head |
-
2014
- 2014-08-26 CN CN201410424228.3A patent/CN104191299A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101428395A (en) * | 2008-12-04 | 2009-05-13 | 大连理工大学 | AC permanent magnet disc type torque motor drived large-torque double-pendulum milling head |
| WO2012052058A1 (en) * | 2010-10-21 | 2012-04-26 | Imo Holding Gmbh | Milling head for a gear cutting machine and method for producing gear teeth |
| CN102049705A (en) * | 2010-11-12 | 2011-05-11 | 中捷机床有限公司 | Direct-drive high-speed five-axis gantry machining center with replaceable milling head |
| CN103121167A (en) * | 2013-01-25 | 2013-05-29 | 陈邕 | Torque motor direct drive type A/C shaft double oscillation angle numerical control mill head |
| CN203993302U (en) * | 2014-08-26 | 2014-12-10 | 江西佳时特数控技术有限公司 | Torque motor direct-drive type Double swing head |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108772714A (en) * | 2018-08-01 | 2018-11-09 | 宁波海天精工股份有限公司 | A kind of double pendulum direct-drive type AC yaws |
| CN108772714B (en) * | 2018-08-01 | 2023-08-18 | 宁波海天精工股份有限公司 | Double-pendulum direct-drive type AC pendulum head |
| CN111730362A (en) * | 2020-07-28 | 2020-10-02 | 北京博鲁斯潘精密机床有限公司 | High-rigidity high-precision high-speed five-axis linkage numerical control machine tool AC/BC spindle driving swing head |
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Application publication date: 20141210 |
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| WD01 | Invention patent application deemed withdrawn after publication |