CN107214523A - A kind of large-scale bridge type gantry hybrid process lathe and its processing method - Google Patents
A kind of large-scale bridge type gantry hybrid process lathe and its processing method Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 56
- 230000008569 process Effects 0.000 title claims abstract description 31
- 238000003672 processing method Methods 0.000 title description 4
- 238000004519 manufacturing process Methods 0.000 claims abstract description 69
- 238000012545 processing Methods 0.000 claims abstract description 66
- 239000000463 material Substances 0.000 claims abstract description 55
- 238000003801 milling Methods 0.000 claims abstract description 33
- 238000003754 machining Methods 0.000 claims abstract description 10
- 150000001875 compounds Chemical class 0.000 claims abstract description 6
- 230000033001 locomotion Effects 0.000 claims description 38
- 239000003292 glue Substances 0.000 claims description 22
- 238000005520 cutting process Methods 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 9
- 238000013461 design Methods 0.000 claims description 7
- 241000220317 Rosa Species 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 4
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 229910000723 Meehanite Inorganic materials 0.000 claims description 3
- 230000001413 cellular effect Effects 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims description 3
- 230000003827 upregulation Effects 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims 1
- 238000005266 casting Methods 0.000 abstract description 4
- 230000004044 response Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 10
- 238000011161 development Methods 0.000 description 5
- 210000003128 head Anatomy 0.000 description 3
- 238000000691 measurement method Methods 0.000 description 3
- 230000008520 organization Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 238000010237 hybrid technique Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000001331 nose Anatomy 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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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
Abstract
A kind of large-scale bridge type gantry hybrid process lathe, it is characterised in that including：Basic (1), work corridor (2), lathe bed (3), X-axis feed system (4), crossbeam (5), Y-axis feed system (8), slide carriage (7), square ram (11), Z axis feed system (12), C axles feed system, A axles feed system, actuator interface (13) and execution unit storehouse (15).The present invention is compound using modern increasing material manufacturing technique and milling process, realizes the efficient and Precision Machining of large mold, its efficiency is more than 10 times of traditional moulds processing, cost is only the 30% of traditional handicraft, customization demand is met, meets following intelligent, flexibility demand, has good prospects.Traditional casting die is substituted, quick response customer demand saves mould investment more than 60%.
Description
Technical field
The present invention relates to a kind of large-scale bridge type gantry hybrid process lathe and its processing method, its executing agency can realize
Increasing material manufacturing, can also realize and subtract material processing, while having On-machine Test function, belong to advanced manufacturing set field.
Background technology
Mould can be divided into the non-plastic mould such as casting die, forge mould, compression mod, stamping die, and plastic mould, due to mould
Have diversity, complexity and the applicability of manufacture, mould industry is manufacturing important component.And Making mold equipment is
The weight branch of equipment manufacturing industry, country also clearly proposes the exploitation dynamics for increasing equipment manufacturing industry, promotes key equipment state
The important policy of productionization.Mould industry belongs to the key areas of the industrialization of new high-technology, and high-precision mold likewise enters high-new skill
Art category of industry, the enterprise of associated production high-precision mold, is included in new high-tech enterprise.The exploitation of mould and carrying for manufacture level
Height, is also depended on using numerically-controlled precise highly-efficient processing equipment.
In recent years, China's die industry is fast-developing, the manufacturing development of part subdivision field such as auto manufacturing, IT,
The rapid growth of Chinese die industry is pulled, mould class is stepped up, equipment hoisting power is preferable.On the one hand, information is used
Technology drives and lifted the manufacturing technology level of mould industry, is the key link for promoting mould industry technological progress.CAD/
The design and manufacturing technology of mould occurs for application of the CAE/CAM technologies in mould industry, the application of RP technique
Major transformation.The advanced manufacturing technologies such as reverse-engineering, concurrent engineering, agile manufactruing, virtual technology answering in mould industry
With also realizing the industrialization of new high-technology with the new and high technology grafting such as electronic information.On the other hand, as industrial system develops
It is further perfect, the demand of the non traditional product such as large mold also more and more extensively, such as wind-powered blade mold, yacht base,
Over size tyre etc. manufacture etc., such large mold is because volume is very big, and length can reach more than 100m, manufacturing cycle ratio
Longer, the requirement for equipment is also very high.The production cycle of the product of terminal client is just difficult to control to, manufacturing cost increase,
Influence the innovation and development of industry.
With the development of New Equipments manufacturing, increase and decrease material manufacture is met, and realizes on-line measurement, exploitation is needed badly a kind of
Large-scale bridge type gantry hybrid process lathe, the new mould of effective exploitation simultaneously realizes quick response.
The content of the invention
The present invention is a kind of large-scale bridge type gantry hybrid process lathe and its processing method, based on increasing material manufacturing, subtracts material system
Make and develop a kind of new with reference to gantry process equipment basic structure situation with on-machine measurement method, formation mixed organization unit
Process unit.On a lathe, the different execution unit by changing calls embedded reconfigurable software kit, uses
The process embodiment specified, processing is realized in the range of the manufacturing procedure of whole product, the demand of client is finally achieved.
A kind of large-scale bridge type gantry hybrid process lathe, including：Basic (1), work corridor (2), lathe bed (3), X-axis feeding
System (4), crossbeam (5), Y-axis feed system (8), slide carriage (7), square ram (11), Z axis feed system (12), C axles feeding system
System, A axles feed system, actuator interface (13) and execution unit storehouse (15), lathe bed (3) are arranged on basic (1), basis
(1) both sides are provided with work corridor (2), and X-axis feed system (4) is arranged on lathe bed (3), and X-axis feed system (4) is provided with crossbeam
(5), crossbeam (5) is provided with slide carriage (7), and top ram (11) and Z axis feed system (12) are arranged on slide carriage (7), perform list
First storehouse (15) is arranged on basic (1), X-axis feed system (4), Y-axis feed system (8) and Z axis feed system (12) respectively with X
Axle motion drag chain (6), Y-axis motion drag chain (9) are connected with Z axis motion drag chain (10), and square ram (11) bottom is provided with executing agency
Interface (13), square ram (11) connection C axles feed system and A axle feed systems.
The execution unit storehouse (15) includes Jian Cai manufacturing cells (14), increasing material manufacturing unit (16), on-machine measurement list
First (17), by the motion requirement of mechanism, can be installed with actuator interface (13), meet the demand of processing.
The execution unit storehouse (15) includes execution unit storehouse platform (18), execution unit storehouse mounting platform (19), performed
Cell library lengthwise movement (20) and execution unit storehouse transverse movement direction (21), execution unit storehouse platform (18) are provided with and held
Row cell library lengthwise movement (20) and execution unit storehouse transverse movement direction (21), execution unit storehouse mounting platform (19) are arranged on
In execution unit storehouse lengthwise movement (20).
The lathe bed (3), crossbeam (5), slide carriage (7) and square ram (11) are using Meehanite cast iron (can also use weldment) peace
Dress, the cellular compound arrangement architecture of core cavity system is handled through timeliness and double tempering, and eliminating residual internal stress makes material steady
It is fixed, it is ensured that the stabilization of Workpiece Machining Accuracy and lathe life-span.
The X-axis feed system (4) meets high precision movement requirement by the helical gear rack drives for the gap that can disappear；The Y
Axle feed system (8), with reference to the helical gear rack drives for the gap that can disappear, meets different execution by three guide rail structures of center off-load
The motion requirement of unit；The Z axis feed system 12 () is by 2 groups of line slideways or the line slideway of the above, with reference to ball
Leading screw, meets the motion requirement of different execution units.
The execution unit storehouse (15) is the execution unit thesaurus of equipment.Inside includes increasing material manufacturing unit, measurement system
System unit and other subtract material unit.The kind equipment can carry out contact with actuator interface and install and fix.
A kind of method being processed using described large-scale bridge type gantry hybrid process lathe, it is characterized in that including following
Step：
The step of increasing material manufacturing system execution unit is run：Increase material system nozzle system in configure screw pump, its drive by
Serve Motor Control, can effectively control eject micro-droplets amount and speed；Injecting glue speed Dynamic Closed Loop is adjustable；Injecting glue speed is examined by lathe
Examining system is uniformly controlled, and lathe detecting system is detected to Surface Machining situation, and is compared with the curved surface of theory calls；
In the glue stage that fills spray, when testing result evaluates the surface relief position of product, software sends injecting glue speed change signal, note
When colloid system receives the signal, change injecting glue speed to complete the processing on surface；On the basis of processing prototype face (22), from adding
Work starting point starts, and according to path planning, processing obtains the material of size requirement in the range of path planning in succession, runs into processing
Prototype face (22) or processing processing acquisition face (23) then carry out the up-regulation in path；Successively until the path processing of certain section of closing
It is complete.For unprocessed curved surface, compared by currently processing acquisition face (23) and processing prototype face (22), then undressed part is entered
Again the planning in walking along the street footpath, and then be further processed by increasing material manufacturing system unit；
The step of measuring system execution unit is run：Using laser ranging system, non-contact type survey is carried out to finished surface
Amount, the data of acquisition transform into curved surface using digitizing technique, and then realize that curved surface compares, and instruct increasing material manufacturing and subtract material manufacture
Technique；
The step of cutting system execution unit is run：Realize that complex leaf Surface Milling adds to meet lathe milling spindle
Work, configures five axle milling heads of high accuracy on milling ram, can realize that 5 axles link in cartesian coordinate system, meet the light of curved surface
Climb cutting is cut；When five-shaft numerical control is processed, using rose cutter, strong adaptability, tool path scheduling are simple, can process arbitrarily complicated song
Face, but processing characteristics is poor, processing efficiency is than relatively low.When processing flat, open class curved surface, it can be entered using disc milling cutter
Row five-axis robot, can not only improve cutting ability, and can improve processing efficiency；By adjusting the pose of annular milling cutter,
So that the abundant approximation theory of cutter envelope surface designs curved surface in the belt-like zone near cutter-contact point trace line, so as to significantly carry
Machined strip width under high given accuracy；Major diameter wire rod quality, in the case of equal cutting depth, equal feed speed, base are installed
In optimized algorithm, processing efficiency is improved more than 5 times；The curved surface changed greatly for local curvature, by changing bulb milling automatically
Knife, realizes accurate processing.
The beneficial effects of the invention are as follows：
The present invention is compound using modern increasing material manufacturing technique and milling process, realize large mold it is efficient with it is accurate plus
Work, its efficiency is more than 10 times of traditional moulds processing, and cost is only the 30% of traditional handicraft, meets customization demand, meets
Following intelligent, flexibility demand, has good prospects.Traditional casting die is substituted, quick response customer demand is saved mould and thrown
Money more than 60%.
The present invention a kind of large-scale bridge type gantry hybrid process lathe, including increasing material manufacturing, subtract material manufacture and on-machine measurement
Method, forms the scheme that processing is realized by hybrid technique method.The main structure of the equipment：Stationary work-table and bed
Body, crossbeam are moved forward and backward along bed ways, square ram is moved up and down with crossbeam, can also moved left and right along crossbeam；Lathe has milling
Cut, the function such as drilling.Be equipped with the clamped one time that workpiece can be achieved after accessories mill-head, install five spindle noses can the processing of five faces, a machine is more
With improving the crudy and production efficiency of workpiece.
The present invention uses a kind of large-scale bridge type gantry hybrid process lathe, based on increasing material manufacturing, subtracts material manufacture and in machine survey
Amount method, composition increasing material manufacturing unit, Jian Cai manufacturing cells and on-machine measurement unit, forms mixed organization unit, with reference to gantry
The design feature of equipment, and then develop a kind of new gantry hybrid process equipment.With the development of die industry, large mold
Demand Deng non traditional product is also more and more extensive, such as wind-powered blade mold, yacht base, over size tyre etc. manufacture etc.,
Such large mold is because volume is very big, and length can reach more than 100m, and the corresponding manufacturing cycle is long, for equipment
It is required that also very high, the influence for End-Customer is then that life cycle of the product is long, and manufacturing cost is very high, limits row
Industry development.The equipment developed of the present invention is compound using modern increasing material manufacturing technique and milling process, realizes big pattern
The efficient and Precision Machining of tool, its efficiency is more than 10 times of traditional moulds processing, and cost is only the 30% of traditional handicraft, is met
Customization demand, realizes products innovation, while 3D printing and machining are carried out into process combining, realizes process innovation, meets
Following intelligent, flexibility demand, has good prospects.Traditional casting die is substituted, quick response customer demand is saved mould and thrown
Money more than 60%.
Brief description of the drawings
Fig. 1 represents the structural representation of the present invention.
Fig. 2 represents execution unit storehouse schematic diagram.
Fig. 3 a represent Jian Cai manufacturing cells interface diagram.
Fig. 3 b represent increasing material manufacturing unit interface schematic diagram.
Fig. 3 c represent on-machine measurement unit interface schematic diagram.
Fig. 4 represents method schematic diagram of the present invention using increasing material manufacturing.
Fig. 5 represents On-line Measuring Method schematic diagram of the present invention using reference distance.
Fig. 6 represents the present invention using the On-line Measuring Method schematic diagram less than reference distance.
Fig. 7 represents the present invention using the On-line Measuring Method schematic diagram more than reference distance.
In figure：Based on 1,2 work corridors, 3 be lathe bed, 4 be X-axis feed system, and 5 be crossbeam, and 6 be that X-axis moves drag chain,
7 be slide carriage, and 8 be Y-axis feed system, and 9 be that Y-axis moves drag chain, and 10 be that Z axis moves drag chain, and 11 be square ram, and 12 be that Z axis is fed
System, 13 be actuator interface, and 14 be Jian Cai manufacturing cells, and 15 be execution unit storehouse, and 16 be increasing material manufacturing unit, 17 be
Machine measuring unit, 18 be execution unit storehouse platform, and 19 be execution unit storehouse mounting platform, and 20 be the lengthwise movement of execution unit storehouse,
21 be execution unit storehouse transverse movement direction.22 be processing prototype face, and 23 be processing acquisition face.
Embodiment
The technology of the present invention content is explained below in conjunction with the accompanying drawings
Such as Fig. 1 to Fig. 7, embodiment one.
A kind of large-scale bridge type gantry hybrid process lathe, including：Basic (1), work corridor (2), lathe bed (3), X-axis feeding
System (4), crossbeam (5), Y-axis feed system (8), slide carriage (7), square ram (11), Z axis feed system (12), C axles feeding system
System, A axles feed system, actuator interface (13) and execution unit storehouse (15), lathe bed (3) are arranged on basic (1), basis
(1) both sides are provided with work corridor (2), and X-axis feed system (4) is arranged on lathe bed (3), and X-axis feed system (4) is provided with crossbeam
(5), crossbeam (5) is provided with slide carriage (7), and top ram (11) and Z axis feed system (12) are arranged on slide carriage (7), perform list
First storehouse (15) is arranged on basic (1), X-axis feed system (4), Y-axis feed system (8) and Z axis feed system (12) respectively with X
Axle motion drag chain (6), Y-axis motion drag chain (9) are connected with Z axis motion drag chain (10), and square ram (11) bottom is provided with executing agency
Interface (13), square ram (11) connection C axles feed system and A axle feed systems.
The execution unit storehouse (15) includes Jian Cai manufacturing cells (14), increasing material manufacturing unit (16), on-machine measurement list
First (17), by the motion requirement of mechanism, can be installed with actuator interface (13), meet the demand of processing.
The execution unit storehouse (15) includes execution unit storehouse platform (18), execution unit storehouse mounting platform (19), performed
Cell library lengthwise movement (20) and execution unit storehouse transverse movement direction (21), execution unit storehouse platform (18) are provided with and held
Row cell library lengthwise movement (20) and execution unit storehouse transverse movement direction (21), execution unit storehouse mounting platform (19) are arranged on
In execution unit storehouse lengthwise movement (20).
The lathe bed (3), crossbeam (5), slide carriage (7) and square ram (11) are using Meehanite cast iron (can also use weldment) peace
Dress, the cellular compound arrangement architecture of core cavity system is handled through timeliness and double tempering, and eliminating residual internal stress makes material steady
It is fixed, it is ensured that the stabilization of Workpiece Machining Accuracy and lathe life-span.
The X-axis feed system (4) meets high precision movement requirement by the helical gear rack drives for the gap that can disappear；The Y
Axle feed system (8), with reference to the helical gear rack drives for the gap that can disappear, meets different execution by three guide rail structures of center off-load
The motion requirement of unit；The Z axis feed system 12 () is by 2 groups of line slideways or the line slideway of the above, with reference to ball
Leading screw, meets the motion requirement of different execution units.
The execution unit storehouse (15) is the execution unit thesaurus of equipment.Inside includes increasing material manufacturing unit, measurement system
System unit and other subtract material unit.The kind equipment can carry out contact with actuator interface and install and fix.
Embodiment two.
A kind of method being processed using described large-scale bridge type gantry hybrid process lathe, it is characterized in that including following
Step：
The step of increasing material manufacturing system execution unit is run：Increase material system nozzle system in configure screw pump, its drive by
Serve Motor Control, can effectively control eject micro-droplets amount and speed；Injecting glue speed Dynamic Closed Loop is adjustable；Injecting glue speed is examined by lathe
Examining system is uniformly controlled, and lathe detecting system is detected to Surface Machining situation, and is compared with the curved surface of theory calls；
In the glue stage that fills spray, when testing result evaluates the surface relief position of product, software sends injecting glue speed change signal, note
When colloid system receives the signal, change injecting glue speed to complete the processing on surface；On the basis of processing prototype face (22), from adding
Work starting point starts, and according to path planning, processing obtains the material of size requirement in the range of path planning in succession, runs into processing
Prototype face (22) or processing processing acquisition face (23) then carry out the up-regulation in path；Successively until the path processing of certain section of closing
It is complete.For unprocessed curved surface, compared by currently processing acquisition face (23) and processing prototype face (22), then undressed part is entered
Again the planning in walking along the street footpath, and then be further processed by increasing material manufacturing system unit；
The step of measuring system execution unit is run：Using laser ranging system, non-contact type survey is carried out to finished surface
Amount, the data of acquisition transform into curved surface using digitizing technique, and then realize that curved surface compares, and instruct increasing material manufacturing and subtract material manufacture
Technique；
The step of cutting system execution unit is run：Realize that complex leaf Surface Milling adds to meet lathe milling spindle
Work, configures five axle milling heads of high accuracy on milling ram, can realize that 5 axles link in cartesian coordinate system, meet the light of curved surface
Climb cutting is cut；When five-shaft numerical control is processed, using rose cutter, strong adaptability, tool path scheduling are simple, can process arbitrarily complicated song
Face, but processing characteristics is poor, processing efficiency is than relatively low.When processing flat, open class curved surface, it can be entered using disc milling cutter
Row five-axis robot, can not only improve cutting ability, and can improve processing efficiency；By adjusting the pose of annular milling cutter,
So that the abundant approximation theory of cutter envelope surface designs curved surface in the belt-like zone near cutter-contact point trace line, so as to significantly carry
Machined strip width under high given accuracy；Major diameter wire rod quality, in the case of equal cutting depth, equal feed speed, base are installed
In optimized algorithm, processing efficiency is improved more than 5 times；The curved surface changed greatly for local curvature, by changing bulb milling automatically
Knife, realizes accurate processing.
A kind of large-scale bridge type gantry hybrid process lathe, based on increasing material manufacturing, subtracts material manufacture and on-machine measurement method, is formed
Increasing material manufacturing unit, Jian Cai manufacturing cells and on-machine measurement unit, constitute mixed organization unit, with reference to dragon by the integration of mechanism
Door process equipment basic structure situation and develop a kind of new process unit.
Increasing material manufacturing system execution unit running situation：Increase in material system nozzle system and configure screw pump, it is driven by watching
Motor control is taken, eject micro-droplets amount and speed can be effectively controlled.Injecting glue speed Dynamic Closed Loop is adjustable.Injecting glue speed is detected by lathe
Systematic unity is controlled, and lathe detecting system is detected to Surface Machining situation, and is compared with the curved surface of theory calls.
Fill spray the glue stage, when testing result evaluates the surface relief position of product, software sends injecting glue speed change signal, injecting glue
When system receives the signal, change injecting glue speed to complete the processing on surface.
Measuring system execution unit running situation：Using laser ranging system, heed contacted measure is carried out to finished surface,
The data of acquisition transform into curved surface using digitizing technique, and then realize that curved surface compares, and instruct increasing material manufacturing and subtract the work of material manufacture
Skill.
Cutting system execution unit running situation：Realize that complex leaf Surface Milling is processed to meet lathe milling spindle,
Five axle milling heads of high accuracy are configured on milling ram, can realize that 5 axles link in cartesian coordinate system, meet the fairing milling of curved surface
Cut.
See Fig. 5, Fig. 6, Fig. 7.Fig. 5 represents On-line Measuring Method schematic diagram of the present invention using reference distance.Fig. 6 represents this
Invention is using the On-line Measuring Method schematic diagram less than reference distance (short distance).
Fig. 7 represents the present invention using the On-line Measuring Method schematic diagram more than reference distance (long range).
Using laser ranging system, heed contacted measure, photosensitive member are carried out to processing measured surface by semiconductor laser
Whether part obtains the reflection laser by measured surface by focus lamp, be compared with reference distance, it is known that be more than or less than
Reference distance, the data of acquisition transform into curved surface using digitizing technique, and then realize that curved surface compares, and instruct increasing material manufacturing and subtract material
The technique of manufacture.
When five-shaft numerical control is processed, using rose cutter, strong adaptability, tool path scheduling are simple, can process arbitrarily complicated song
Face, but processing characteristics is poor, processing efficiency is than relatively low.When processing flat, open class curved surface, it can be entered using disc milling cutter
Row five-axis robot, can not only improve cutting ability, and can improve processing efficiency.By adjusting the pose of annular milling cutter,
So that the abundant approximation theory of cutter envelope surface designs curved surface in the belt-like zone near cutter-contact point trace line, so as to significantly carry
Machined strip width under high given accuracy.Major diameter wire rod quality, in the case of equal cutting depth, equal feed speed, base are installed
In optimized algorithm, processing efficiency is improved more than 5 times.The curved surface changed greatly for local curvature, by changing bulb milling automatically
Knife, realizes accurate processing.
The above-described embodiments are merely illustrative of preferred embodiments of the present invention, not to the structure of the present invention
Think and scope is defined, under the premise of design concept of the present invention is not departed from, ordinary skill technical staff is to this hair in this area
The all variations and modifications that bright technical scheme is made, all should fall into protection scope of the present invention, claimed skill of the invention
Art content has all been recorded in detail in the claims.
Claims (7)
1. a kind of large-scale bridge type gantry hybrid process lathe, it is characterised in that including：Basic (1), work corridor (2), lathe bed
(3), X-axis feed system (4), crossbeam (5), Y-axis feed system (8), slide carriage (7), square ram (11), Z axis feed system (12),
C axles feed system, A axles feed system, actuator interface (13) and execution unit storehouse (15), lathe bed (3) are arranged on basic (1)
On, basic (1) both sides are provided with work corridor (2), and X-axis feed system (4) is arranged on lathe bed (3), in X-axis feed system (4)
Provided with crossbeam (5), crossbeam (5) is provided with slide carriage (7), and top ram (11) and Z axis feed system (12) are arranged on slide carriage (7)
On, execution unit storehouse (15) are arranged on basic (1), X-axis feed system (4), Y-axis feed system (8) and Z axis feed system
(12) it is connected respectively with X-axis motion drag chain (6), Y-axis motion drag chain (9) and Z axis motion drag chain (10), square ram (11) bottom is set
There are actuator interface (13), square ram (11) connection C axles feed system and A axle feed systems.
2. a kind of large-scale bridge type gantry hybrid process lathe according to claim 1, it is characterised in that the execution unit
Storehouse (15) includes Jian Cai manufacturing cells (14), increasing material manufacturing unit (16), on-machine measurement unit (17), passes through the motion of mechanism
Demand, can be installed with actuator interface (13), meet the demand of processing.
3. a kind of large-scale bridge type gantry hybrid process lathe according to claim 1, it is characterised in that the execution unit
Storehouse (15) include execution unit storehouse platform (18), execution unit storehouse mounting platform (19), execution unit storehouse lengthwise movement (20) and
Execution unit storehouse transverse movement direction (21), execution unit storehouse platform (18) is provided with execution unit storehouse lengthwise movement (20)
With execution unit storehouse transverse movement direction (21), execution unit storehouse mounting platform (19) is arranged on the lengthwise movement of execution unit storehouse
(20) on.
4. a kind of large-scale bridge type gantry hybrid process lathe according to claim 1, it is characterised in that the lathe bed (3),
Crossbeam (5), slide carriage (7) and square ram (11) are installed using Meehanite cast iron (can also use weldment), and core cavity system is cellular
Compound arrangement architecture, is handled through timeliness and double tempering, and eliminating residual internal stress makes stable material quality, it is ensured that Workpiece Machining Accuracy
Stabilization and the lathe life-span.
5. a kind of large-scale bridge type gantry hybrid process lathe according to claim 1, it is characterised in that the X-axis feeding system
The system helical gear rack drives of (4) by the gap that can disappear, meet high precision movement requirement；The Y-axis feed system (8) passes through center
Three guide rail structures of off-load, with reference to the helical gear rack drives for the gap that can disappear, meet the motion requirement of different execution units；The Z
Axle feed system 12 () is by 2 groups of line slideways or the line slideway of the above, with reference to ball-screw, meets and different performs list
The motion requirement of member.
6. a kind of large-scale bridge type gantry hybrid process lathe according to claim 1, it is characterised in that the execution unit
Storehouse (15) is the execution unit thesaurus of equipment.Inside include increasing material manufacturing unit, measuring system unit and other subtract material list
Member.The kind equipment can carry out contact with actuator interface and install and fix.
7. it is a kind of using as claim 1 to 6 arbitrarily one of as described in large-scale bridge type gantry hybrid process lathe be processed
Method, it is characterized in that comprising the following steps：
The step of increasing material manufacturing system execution unit is run：Increase in material system nozzle system and configure screw pump, it is driven by servo
Motor control, can effectively control eject micro-droplets amount and speed；Injecting glue speed Dynamic Closed Loop is adjustable；Injecting glue speed is detected by lathe
System is uniformly controlled, and lathe detecting system is detected to Surface Machining situation, and is compared with the curved surface of theory calls；Mending
In the glue spraying stage, when testing result evaluates the surface relief position of product, software sends injecting glue speed change signal, injecting glue system
When system receives the signal, change injecting glue speed to complete the processing on surface；On the basis of processing prototype face (22), from processing
Initial point starts, and according to path planning, processing obtains the material of size requirement in the range of path planning in succession, runs into processing prototype
Face (22) or processing processing acquisition face (23) then carry out the up-regulation in path；Successively until the path of certain section of closing is processed.It is right
In unprocessed curved surface, compared by currently processing acquisition face (23) and processing prototype face (22), then walking along the street is entered in undressed part
Again the planning in footpath, and then be further processed by increasing material manufacturing system unit；
The step of measuring system execution unit is run：Using laser ranging system, heed contacted measure is carried out to finished surface, obtained
The data obtained transform into curved surface using digitizing technique, and then realize that curved surface compares, the technique for instructing increasing material manufacturing and subtracting material manufacture；
The step of cutting system execution unit is run：Realize that complex leaf Surface Milling is processed to meet lathe milling spindle,
Five axle milling heads of high accuracy are configured on milling ram, can realize that 5 axles link in cartesian coordinate system, meet the fairing milling of curved surface
Cut；When five-shaft numerical control is processed, using rose cutter, strong adaptability, tool path scheduling are simple, can process arbitrarily complicated curved surface, but
It is that processing characteristics is poor, processing efficiency is than relatively low.When processing flat, open class curved surface, five can be carried out using disc milling cutter
Axle is processed, and can not only improve cutting ability, and can improve processing efficiency；By the pose for adjusting annular milling cutter so that
The cutter envelope surface abundant approximation theory design curved surface in the belt-like zone near cutter-contact point trace line, thus significantly improve to
Determine the machined strip width under precision；Major diameter wire rod quality is installed, in the case of equal cutting depth, equal feed speed, based on excellent
Change algorithm, improve processing efficiency more than 5 times；The curved surface changed greatly for local curvature, it is real by changing rose cutter automatically
Now accurate processing.
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