CN104625836B - numerical control gantry machine tool - Google Patents
numerical control gantry machine tool Download PDFInfo
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- CN104625836B CN104625836B CN201410790993.7A CN201410790993A CN104625836B CN 104625836 B CN104625836 B CN 104625836B CN 201410790993 A CN201410790993 A CN 201410790993A CN 104625836 B CN104625836 B CN 104625836B
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- ram
- column
- yaw
- drive
- machine
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Classifications
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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
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/012—Portals
-
- 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
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/48—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs and rotating pairs
- B23Q1/4852—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs and rotating pairs a single sliding pair followed perpendicularly by a single rotating pair
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling, Drilling, And Turning Of Wood (AREA)
- Turning (AREA)
Abstract
The invention provides a numerical control gantry machine tool which comprises two upright columns and a beam. Each upright column is provided with an opening which is through in the Y direction and extends in the Z direction. The machine tool further comprises sub machine tools arranged on the upright columns respectively. Each sub machine tool comprises a cutter, a rotary head, two torque motors, a joint swing torque motor, a ram, a Z-axis linear motor and a Y-axis linear motor, wherein the cutter is arranged on the rotary head, the two torque motors are arranged on the rotary head and drive the rotary head to rotate in the C direction and in the B direction, the joint swing torque motor is fixedly connected with the rotary head and drives the rotary head to rotate in the Z direction, the ram is arranged on the inner side of one corresponding upright column of the numerical control gantry machine tool, the ram and the upright column form a Z-axis linear moving pair, the ram is provided with an inner cavity, the Z-axis linear motor is connected with the ram and drives the ram to move in the Z direction, the Y-axis linear motor penetrates through the opening of the upright column and the inner cavity of the ram and forms a linear moving pair with the inner cavity of the ram, and the Y-axis linear motor is connected with the joint swing torque motor to drive the joint swing torque motor to move in the Y direction.
Description
Technical field
The present invention relates to aircraft workpiece manufacturing equipment field, more particularly, to a kind of digital controlled planer machine.
Background technology
Aircraft large-scale workpiece has that volume is big, highly high feature, because aircraft is more sensitive to weight, typically its
Workpiece is made up of multiple thin-wall parts, is susceptible to the feature of tremor during processing, therefore it is required that it produces lathes has big stroke, energy
Enough workpiece surfaces externally and internally is processed, its job step need to have the characteristics that high rigidity.
Current extreme large and heavy workpiece lathe has problems with.
First, Longmen machine tool only one of which acting section, is arranged on crossbeam, completes all processing tasks to workpiece by it.
The shortcoming of such lathe is: workpiece needs multiple clamping, increases mismachining tolerance, reduces working (machining) efficiency；Gantry axis stroke is relatively
Greatly, start-stop time is higher, and motor needs higher power, improves manufacturing cost.Equally, in order to meet workpiece bottom
Processing request, processing job step in the vertical direction will have enough strokes so that the rigidity of job step is subject to very big weakening.
In order to improve working (machining) efficiency and machining accuracy, on two columns of Longmen machine tool, respectively set up 1 processing machine.Simultaneously as
Column lathe can realize processing operation by the vertical direction, therefore, it can reduce the row of crossbeam job step in the vertical direction
Journey, it is to avoid the decline of lathe integral rigidity.
2nd, Longmen machine tool has multiple acting sections, is separately mounted on crossbeam and column, and workpiece can be processed simultaneously.
In order to meet the processing request that can realize optional position and attitude in workpiece, lathe must have the motion energy on Five Axis
Power.Job step on its column is traditional five-axis machine unit, is made up of three translational coordinations and two rotational coordinates.One
As Five Axis lathe be motion on x, y, z direction and a, b or a, c or b, the rotation on c direction (wherein rotating around x, y, z
The rotary shaft that axle rotates is named as a, b and c-axis respectively).But if the Five Axis machine tool applications of these forms in
On column processing machine, its shortcoming is: the job step on column has along moving on the direction of principal axis of gantry, reduces the firm of job step
Degree, easily produces tremor, reduces the crudy of workpiece.
Therefore, there is presently no the column lathe on suitable Longmen machine tool, can meet aircraft extreme large and heavy workpiece will
Ask.
Content of the invention
In view of problem present in background technology, it is an object of the invention to provide a kind of digital controlled planer machine, it can carry
The rigidity of high lathe.
Another object of the present invention is to providing a kind of digital controlled planer machine, that it can overcome that workpiece multiple clamping causes plus
Work error, thus improve overall processing efficiency.
To achieve these goals, the invention provides a kind of digital controlled planer machine, digital controlled planer machine has two and stands
Post and the crossbeam connecting two column tops.Each column of described digital controlled planer machine is provided with insertion in the y-direction and in the z-direction
The opening extending, described digital controlled planer machine also has the processing machine of the column being respectively arranged at digital controlled planer machine.Each processing machine
Including: cutter, for processing workpiece；Yaw, makes cutter be arranged on；Two torque motors, are arranged on yaw, drive pendulum
Head rotates in the c-direction and rotates up in b side；Joint shaking moment motor, is fixedly connected with yaw, to drive yaw around z
Direction of principal axis rotates；Ram, is arranged at the inner side of a corresponding column of described digital controlled planer machine, shape between ram and this column
Become z-axis rectilinear movement secondary, and be provided with inner chamber；Z-axis linear electric motors, are connected to ram, drive ram to move in the z-direction and then
Yaw is driven to move in the z-direction；And y-axis linear electric motors, be arranged in the opening of this column and the inner chamber of ram and with ram
Inner chamber forms rectilinear movement pair, and is connected to joint shaking moment motor, to drive joint shaking moment motor to transport in the y-direction
Dynamic and then driving yaw moves in the y-direction.
Beneficial effects of the present invention are as follows:
Using joint shaking moment motor, it is to avoid the overall motion in the x-direction of lathe is so that the rigidity of lathe obtains significantly
Degree improves.Overcome the mismachining tolerance that workpiece multiple clamping causes simultaneously, improve overall processing efficiency.
Brief description
Fig. 1 is the axonometric chart of the digital controlled planer machine according to the present invention.
Wherein, description of reference numerals is as follows:
1 column 33 torque motor
2 crossbeam 34 joint shaking moment motor
P opening 35 ram
3 processing machine 351 inner chamber
31 cutter 36z axle linear electric motors
32 yaw 37y axle linear electric motors
Specific embodiment
To describe the digital controlled planer machine according to the present invention with reference to the accompanying drawings in detail.
With reference to Fig. 1, the crossbeam 2 that digital controlled planer machine has two columns 1 and connects two column 1 tops.According to this
Each column 1 of bright digital controlled planer machine is provided with insertion in the y-direction and the opening p extending in the z-direction, described numerical control gantry machine
Bed also has the processing machine 3 of the column 1 being respectively arranged at digital controlled planer machine.
Wherein, each processing machine 3 includes: cutter 31, for processing workpiece；Yaw 32, makes cutter 31 be arranged on；Two
Torque motor 33, is arranged on yaw 32, drives yaw 32 to rotate in the c-direction and rotate up in b side；Joint shaking moment
Motor 34, is fixedly connected with yaw 32, to drive yaw 32 to rotate around z-axis direction；Ram 35, is arranged at described numerical control gantry machine
The inner side of a corresponding column 1 of bed, forms z-axis rectilinear movement pair, and is provided with inner chamber 351 between ram 35 and this column 1；
Z-axis linear electric motors 36, are connected to ram 35, drive ram 35 to move in the z-direction and then drive yaw 32 to move in the z-direction；With
And y-axis linear electric motors 37, it is arranged in the opening p of this column 1 and the inner chamber 351 of ram 35 and the inner chamber 351 with ram 35 is formed
Rectilinear movement is secondary, and is connected to joint shaking moment motor 34, to drive joint shaking moment motor 34 move in the y-direction, enter
And drive yaw 32 to move in the y-direction.
This processing machine 3 realizes the motion on Five Axis using two translations with three rotations, and wherein, yaw 32 can achieve two
The rotation of individual degree of freedom (in c direction with b direction), and drive cutter 31 to rotate；Two torque motors 33 on yaw 32
In order to realize meeting the requirement to cutter 31 attitude during processing, compensate simultaneously and moved to cutter due to joint shaking moment motor 34
The negative effect that 31 attitudes produce.Because the motion on x direction is produced (i.e. joint by the motion of joint shaking moment motor 34
Shaking moment motor 34 rotates (rotating in the c-direction) so that cutter 31 moves in the x direction around z-axis), therefore in x direction
On, the motion of only yaw 32.And common Five Axis column lathe, the motion of x-axis is by linear electric motors, or electric rotating machine adds
The motion of leading screw is realized, and this makes, and whole machine tool component is upper in the x-direction to move.And the employing of joint shaking moment motor 34, keep away
Exempt from the overall motion in the x-direction of lathe so that the rigidity of lathe is greatly improved.Overcome workpiece multiple clamping to draw simultaneously
The mismachining tolerance rising, improves overall processing efficiency.
The present invention respectively arranges a processing machine 3 on two columns 1 of Longmen machine tool.For same workpiece, this two
Individual processing machine 3 all can separate operaton, realize different processing tasks, also can operation simultaneously, thus both having improve motility, also carry
High working (machining) efficiency.
The working method of two processing machines 3 is identical, to be illustrated with the work of a processing machine 3.First according to process planning
Obtain cutter spacing point coordinates and the axis coordinate of cutter 31, according to homogeneous coordinate transformation formula, joint is calculated by cutter spacing point coordinates
The anglec of rotation of shaking moment motor 34 and the motion value of y, z-axis linear electric motors.Rotation due to joint shaking moment motor 34
Turn, make cutter 31 create additional additional movement in z-axis rotary motion, and y direction, according to this two additional fortune
Dynamic, and the cutter spacing point coordinates of cutter 31 and axis coordinate in combined process planning, calculate two torque motors 33 at yaw 32
The anglec of rotation, revises the quantity of motion of y-axis linear electric motors 37 simultaneously.Ultimately form the processed file being made up of g code, input numerical control
System.Digital control system presses corresponding motion value work according to five motors that g code controls column lathe, thus realize processing will
Ask.
Claims (1)
1. a kind of digital controlled planer machine, the crossbeam (2) that there are two columns (1) and connect two column (1) tops, its feature exists
In each column (1) of digital controlled planer machine is provided with insertion in the y-direction and the opening (p) extending in the z-direction, described numerical control dragon
Door lathe also has the processing machine (3) of the column (1) being respectively arranged at digital controlled planer machine, and each processing machine (3) includes:
Cutter (31), for processing workpiece；
Yaw (32), makes cutter (31) be arranged on；
Two torque motors (33), are arranged on yaw (32), drive yaw (32) to rotate in the c-direction and revolve on b direction
Turn；
Joint shaking moment motor (34), is fixedly connected with yaw (32), to drive yaw (32) to rotate around z-axis direction；
Ram (35), is arranged at the inner side of a corresponding column (1) of described digital controlled planer machine, ram (35) and this column
(1) form z-axis rectilinear movement between secondary, and be provided with inner chamber (351)；
Z-axis linear electric motors (36), are connected to ram (35), drive ram (35) to move in the z-direction and then drive yaw (32) edge
Move in z direction；And
Y-axis linear electric motors (37), be arranged in the opening (p) of this column (1) and the inner chamber (351) of ram (35) and with ram (35)
Inner chamber (351) to form rectilinear movement secondary, and be connected to joint shaking moment motor (34), to drive joint shaking moment motor
(34) move in the y-direction and then drive yaw (32) to move in the y-direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410790993.7A CN104625836B (en) | 2014-12-18 | 2014-12-18 | numerical control gantry machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410790993.7A CN104625836B (en) | 2014-12-18 | 2014-12-18 | numerical control gantry machine tool |
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| Publication Number | Publication Date |
|---|---|
| CN104625836A CN104625836A (en) | 2015-05-20 |
| CN104625836B true CN104625836B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410790993.7A Active CN104625836B (en) | 2014-12-18 | 2014-12-18 | numerical control gantry machine tool |
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| CN (1) | CN104625836B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104907877B (en) * | 2015-05-25 | 2017-10-27 | 湖北富升智能装备股份有限公司 | A kind of NC vertical lathe of linear motor direct drive |
| CN106078359B (en) * | 2016-06-02 | 2018-06-15 | 清华大学 | A kind of zero definition of more main shaft drilling building-block machines of planer-type and scaling method |
| CN110744087B (en) * | 2019-11-06 | 2020-11-13 | 江苏科技大学 | Flexible machining tool and method for machining radial hole of cylinder cover of marine diesel engine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102275077B (en) * | 2011-08-12 | 2013-04-17 | 福建省威诺数控有限公司 | Compound gantry milling machine |
| CN202411504U (en) * | 2011-12-28 | 2012-09-05 | 山东法因数控机械股份有限公司 | Section steel numerical control force shaft milling machine |
| CN102862052A (en) * | 2012-10-06 | 2013-01-09 | 山东义信重机制造有限公司 | Multidirectional numerical control boring and milling machine |
| CN103264288B (en) * | 2013-04-26 | 2016-02-10 | 清华大学 | A kind of movable gantry lathe with how independent machining cell |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zheng Linbin Inventor after: Wu Dan Inventor after: Yang Xiangdong Inventor after: Wang Guolei Inventor after: Xu Jing Inventor after: Liu Li Inventor after: Li Guojin Inventor after: Jiang Wei Inventor after: Tang Shi Inventor after: Chen Ken Inventor after: Du Gang Inventor after: Tang Lin Inventor after: Zhou Kai Inventor after: Qian Qi Inventor before: Zhou Kai Inventor before: Li Jinquan Inventor before: Chen Hongan Inventor before: Qian Qi Inventor before: Chen Ken Inventor before: Wu Dan Inventor before: Zhang Pengxiang Inventor before: Yang Xiangdong Inventor before: Liu Li Inventor before: Wang Guolei Inventor before: Xu Jing |
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| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160121 Address after: The dam, 610073 Chengdu Road, Sichuan Province Huang Tian Qingyang District No. 88 Applicant after: Chengdu Airplane Industry (Group) Corp., Ltd. Applicant after: Tsinghua University Address before: 100084 Beijing City, Haidian District Tsinghua Yuan Applicant before: Tsinghua University |
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