CN109433896A - Ripple tubing thin-walled parts necking in numerical control molding equipment - Google Patents
Ripple tubing thin-walled parts necking in numerical control molding equipment Download PDFInfo
- Publication number
- CN109433896A CN109433896A CN201811459712.4A CN201811459712A CN109433896A CN 109433896 A CN109433896 A CN 109433896A CN 201811459712 A CN201811459712 A CN 201811459712A CN 109433896 A CN109433896 A CN 109433896A
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- Prior art keywords
- spinning roller
- tail
- ripple
- core model
- necking
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/14—Spinning
- B21D22/16—Spinning over shaping mandrels or formers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/04—Reducing; Closing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The present invention provides a kind of ripple tubing thin-walled parts necking in numerical control molding equipment, the ripple mold that core model is set including lathe, the main shaft device being set in turn on lathe, spinning roller device, tail ejection device, between main shaft device and tail ejection device and is sleeved on outside core model.Wherein, spinning roller device includes spinning roller frame and spinning roller, and spinning roller device is connect with machine tool slide；Machining area is set on spinning roller frame, and the main shaft connection in one end and main shaft device of the core model, ripple mold passes through the machining area on spinning roller frame and connect with tail ejection device；Spinning roller is set in spinning roller frame and can feed relative to core model radial servo.Tail ejection device includes tailstock frame body and tail top, and tailstock frame body is connect with machine tool slide, and tail top is installed on tailstock frame body and can carry out axial feed and radial traversing, the uniformly distributed cyclic annular punch-pin of ripple outer mold wall.Its transverse and longitudinal weld seam for eliminating bellows tradition butt welding process and cross-seam region are easy to appear the hidden danger of quality of welding defect.
Description
Technical field
The invention belongs to pipe part spinning machine technical fields, and in particular to a kind of large-scale, thin-walled pipe part contracting
Neck spinning apparatus.
Background technique
Tunneltron is the pipeline of China's space flight type product conveying fuel, and what quality will have a direct impact on type product can
By property.It is reported that the developed countries such as the U.S., Japan have used the tunneltron of the integrally formed major diameter of spinning process, it is whole to revolve
Pressing formation technique it is possible to prevente effectively from conventional bonding technique influence of the weld seam in length and breadth to product quality, significantly improve the production of model
Product reliability.Since the technology is related to state-of-the-art space product manufacturing process, these are national for this technology and relevant
Large-scale spinning machine carries out technology blockage to China, and country's tunneltron mostly uses traditional butt welding process to form at present, with international water
Adjustment is away from larger.
Currently, the processing about tunnel tubing large thin-wall complex parts, the country generallys use traditional butt welding process and obtains
, specifically: traditional flat aluminium alloy plate is used, convex ribs are first extruded, then be welded into bellows, finally by more piece bellows welding
For tunneltron.The longitudinal seam and a plurality of circumferential welded seam of overall length are penetrated through on the tunneltron shaped in this way containing one,
Too long weld seam and longitudinal joint and circumferential weld staggeredly occurs, and will lead to transverse and longitudinal cross-seam region and generates a large amount of welding defect, and
And stress corrosion and fuel corrosion are also quite serious, sealing performance is difficult to ensure, quality control difficulty is big, and hidden danger of quality can be straight
The reliability for affecting type product is connect, the requirement of novel type product is unable to satisfy.
Summary of the invention
Based on problem above, the purpose of the present invention is to provide ripple tubing thin-walled parts necking in numerical control moldings to set
It is standby, realize spinningTunnel tubing product within specification simultaneously obtains practical application on space flight Project R&D, thus
The blank of domestic the relevant technologies is filled up, domestic Aerospace manufacturing technical level is promoted.
In order to achieve the goal above, the technical solution adopted by the present invention are as follows: ripple tubing thin-walled parts necking in numerical control
Molding equipment, including lathe, the main shaft device being set in turn on lathe, spinning roller device, tail ejection device, main shaft device and tail top
The ripple mold that core model is set between device and is sleeved on outside core model；Wherein, spinning roller device includes spinning roller frame and spinning roller, spinning roller dress
Set connect with machine tool slide and can between main shaft device and tail ejection device servo motion；Machining area is set on spinning roller frame,
Main shaft connection in one end and main shaft device of the core model, ripple mold pass through the machining area on spinning roller frame and fill with tail top
Set connection；Spinning roller is set in spinning roller frame and can feed relative to core model radial servo.Tail ejection device includes tail-holder rack, tail upper frame
With tail top, tail-holder rack connect with machine tool slide and can relative to core model end it is axial close to or far from tail upper frame is slidably installed
It can move radially in tail-holder rack upper end and relative to core model, oil cylinder is set on tail upper frame, tail top is installed on the end of cylinder piston rod
Portion and under the driving of oil cylinder relative to core model axial feed, the tail top is adapted to the end shape of core model；Outside ripple mold
The uniformly distributed cyclic annular punch-pin of wall.
Pipe part necking in device provided by the invention, application method is: by thin-wall metal pipe to be processed
Material is covered outside ripple mold and is fixed, and the tail top of control Wei Ding mechanism holds out against core model and ripple mold, starts spindle box, main shaft
Drive core model, ripple mold, blank to rotate in a circumferential direction, start spinning roller and control spinning roller relative to blank axial feed and it is radial into
It gives, by blank rotary press modelling under the spinning of spinning roller and the limitation of ripple mold.
Optimization, above-mentioned pipe part necking in device further includes being set between main shaft device and spinning roller device to prevent
Shield, the shield and spinning roller frame be detachably connected and with spinning roller frame synchronizing moving, prevented in spinning process by shield
Coolant liquid at spinning or spillage of cremating, thus the staff near protection；Window further can be set in shield side,
Spinning situation is observed convenient for staff.
Optimization, the ripple mold includes the basic mode of tubular, and the barrel of basic mode one end projects radially outward to form ring-type
Punch-pin, the annular groove of the port inside setting and basic mode other end nozzle size fit of cyclic annular punch-pin, several basic modes pass through ring
The successively grafting of connected in star and nozzle obtains ripple mold, can according to need the length of spinning pipe fitting in this way and selects suitable number
The basic mode of amount is spliced into applicable ripple mold.
Optimization, the spinning roller includes 3 main spinning rollers and 1 secondary spinning roller, and 3 main spinning rollers are circumferentially uniformly arranged on outside core model
It holds and is fed relative to core model radial servo, 1 accessory whorl is set between two neighboring main spinning roller and radially watches relative to core model
Clothes feeding.
Optimization, leadscrew-nut mechanism is arranged in spinning roller frame bottom, drives leadscrew-nut mechanism to drive by motor
Spinning roller frame can realize axial servo motion relative to lathe.Feed servo oil cylinder, the piston rod of servo-cylinder are set on spinning roller frame
Can relative to core model radially adjacent to or it is separate, spinning roller is set to the end of feed cylinder piston rod；Tail is set on the tail footstock
Push up oil cylinder and traversing oil cylinder, the horizontal piston bar of tail top oil cylinder can relative to core model end it is axial close to or far from tail footstock
It is driven by tail top oil cylinder, tail upper frame is driven by traversing oil cylinder.
Further, the feed cylinder, tail top oil cylinder, traversing oil cylinder are controlled by the hydraulic control of lathe side
And power is provided for each executive component, the hydraulic control includes hydraulic station and fluid pressure line, hydraulic control side
Hydraulic oil cooling body is set.
Optimization, further include cooling system, cooling system includes cooling line and paper tape filter, the outlet of cooling line
Corresponding with spinning working face, paper tape filter is set to lathe one end, by cooling system by coolant liquid from cooling line send to
Spinning working face is cooled down with the position heated up to flow formed part and spinning roller by friction, will be on bedding by paper tape filter
The coolant liquid flowed down is filtered and recycles.
It further, further include control mechanism and operating mechanism, the control mechanism respectively fills operating mechanism, main shaft
It sets, spinning roller device, tail ejection device, motor, hydraulic control, hydraulic oil cooling body, cooling system are controlled；The behaviour
Making mechanism includes display screen, input keyboard, indicator light, power key.
Further, the spinning roller frame, tail-holder rack pass through guideway respectively and connect with machine tool slide
The invention has the benefit that
Ripple tubing thin-walled parts necking in numerical control molding equipment provided by the invention, passes through spindle box, core model, ripple
Mold, rotary wheel mechanism, Wei Ding mechanism realize the integral spinning forming of tunneltron product, thoroughly eliminate type product tunnel tube components
Longitudinal seam, circumferential welded seam length is greatly reduced, make type product tunnel tube components fusion length reduce 90% or more,
It eliminates the hidden danger of quality that traditional butt welding process transverse and longitudinal cross-seam region is easy to appear welding defect, and product is effectively reduced
Hidden danger of quality increases the processing efficiency of product.
Detailed description of the invention
Fig. 1 is the schematic diagram of pipe part necking in device provided by the invention；
Fig. 2 is rotary press modelling schematic diagram in embodiment；
Fig. 3 is the transversal schematic diagram of rotary wheel mechanism in embodiment；
Wherein, 1 is lathe, and 2 be main shaft device, and 21 be main shaft, and 3 be spinning roller device, and 31 be spinning roller frame, and 32 be spinning roller, 32
It is secondary spinning roller for main spinning roller, 322,4 be tail ejection device, and 41 be tail-holder rack, and 42 be tail upper frame, and 43 be tail top, and 5 be core model, and 6 be wave
Line mold, 61 be basic mode, and 62 be cyclic annular punch-pin, and 7 be shield, and 71 be window, and 8 be hydraulic control, and 9 is cooling for hydraulic oil
Mechanism, 10 be control mechanism, and 11 be operating mechanism, and 12 be paper tape filter, and 13 be green body.
Specific embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
Embodiment
As shown in Figure 1, 2, the present embodiment provides a kind of ripple tubing thin-walled parts necking in numerical control molding equipments, including
Lathe 1, the main shaft device 2 being set in turn on lathe 1,32 device 3 of spinning roller, tail ejection device 4, main shaft device 2 and tail ejection device 4
Between setting core model 5 and the ripple mold 6 that is sleeved on outside core model 5；Wherein, 32 device 3 of spinning roller includes 32 frame 31 of spinning roller and spinning roller
32,32 device 3 of spinning roller and lathe 1 be slidably connected and can between main shaft device 2 and tail ejection device 4 servo motion；Spinning roller 32
Machining area is set on frame 31, and one end of core model 5 is connect with the main shaft 21 in main shaft device 2, and ripple mold 6 passes through 32 frame of spinning roller
Machining area on 31 is simultaneously connect with tail ejection device 4；Spinning roller 32 is set in 32 frame 31 of spinning roller and can watch relative to 5 radial direction of core model
Clothes feeding.Tail ejection device 4 includes tail-holder rack 41, tail upper frame 42 and tail top 43, and tail-holder rack 41 is slidably connected with lathe 1 and can be opposite
It is axial close to or far from tail upper frame 42 is slidably mounted on 41 upper end of tail-holder rack and can be radial relative to core model 5 in the end of core model 5
It is mobile, oil cylinder is set on tail upper frame 42, tail top 43 is installed on the end of cylinder piston rod and under the driving of oil cylinder relative to core
5 axial feed of mould, tail top 43 are adapted to the end shape of core model 5；The uniformly distributed cyclic annular punch-pin 62 of 6 outer wall of ripple mold.
It further include the shield 7 being set between 32 device 3 of main shaft device 2 and spinning roller, shield 7 and 32 frame 31 of spinning roller can
Dismantling connection and with 32 frame of spinning roller, 31 synchronizing moving, 7 side of shield be arranged window 71.
As shown in Fig. 2, ripple mold 6 includes the basic mode 61 of tubular, the barrel of 61 one end of basic mode projects radially outward to be formed
Cyclic annular punch-pin 62, the annular groove of the port inside setting and 61 other end nozzle size fit of basic mode of cyclic annular punch-pin 62 are several
Basic mode 61 obtains ripple mold 6 by the successively grafting of annular groove and nozzle.
As shown in figure 3, the present embodiment spinning roller 32 includes the secondary main spinning roller 321 weeks of spinning roller 322,3 of 3 main spinning rollers 321 and 1
To being uniformly arranged on 5 outer end of core model and feeding relative to 5 radial servo of core model, 1 accessory whorl is set to two neighboring main spinning roller 321
Between and relative to 5 radial servo of core model feed.
Specifically, leadscrew-nut mechanism is arranged in 32 frame of spinning roller, 31 bottom, drive leadscrew-nut mechanism to drive by motor
32 frame 31 of spinning roller can realize axial servo motion relative to lathe 1.Feed servo oil cylinder, servo-cylinder are set on 32 frame 31 of spinning roller
Piston rod can relative to core model 5 radially adjacent to or it is separate, spinning roller 32 is set to the end of feed cylinder piston rod；43, tail top
Upper 43 oil cylinder of setting tail top and traversing oil cylinder, the horizontal piston bar of 43 oil cylinder of tail top can relative to core model 5 end axially adjacent to
Or it is separate, 43, tail top is driven by 43 oil cylinder of tail top, and tail upper frame 42 is driven by traversing oil cylinder.
Specifically, feed cylinder, 43 oil cylinder of tail top, traversing oil cylinder are controlled simultaneously by the hydraulic control 8 of 1 side of lathe
Power is provided for each executive component, hydraulic control 8 includes hydraulic station and fluid pressure line, the setting of 8 side of hydraulic control
Hydraulic oil cooling body 9.
It further include cooling system, cooling system includes cooling line and paper tape filter 12, the outlet and rotation of cooling line
Press working face corresponding, paper tape filter 12 is set to 1 one end of lathe.
It further include control mechanism 10 and operating mechanism 11, control mechanism 10 is respectively to operating mechanism 11, main shaft device 2, rotation
32 devices 3, tail ejection device 4, motor, hydraulic control 8, hydraulic oil cooling body 9, cooling system is taken turns to be controlled；Operation
Mechanism 11 includes display screen, input keyboard, indicator light, power key.
Specifically, 32 frame 31 of spinning roller, tail-holder rack 41 are slidably connected by guideway and lathe 1 respectively.
Ripple tubing thin-walled parts necking in numerical control molding equipment provided in this embodiment, in use, by 13 sets of green body
It is outer loaded on ripple mold 6 and connect with main shaft 21 by flange sleeve and can carry out spinning.The present apparatus can realize spinning
Tunnel tubing product within specification simultaneously obtains practical application on space flight Project R&D, to fill up the sky of domestic the relevant technologies
It is white, the domestic Aerospace manufacturing technical level of promotion, additionally it is possible to applied to the civil use industries such as chemical industry, medical instrument large size, in high precision, again
The processing and manufacturing of miscellaneous component tunnel pipe part realizes that the army and the people's technology shares.
The above embodiment of the present invention is only example to illustrate the invention, and is not to implementation of the invention
The restriction of mode.For those of ordinary skill in the art, other can also be made not on the basis of the above description
With the variation and variation of form.Here all embodiments can not be exhaustive.It is all to belong to technical solution of the present invention
Changes and variations that derived from are still in the scope of protection of the present invention.
Claims (10)
1. ripple tubing thin-walled parts necking in numerical control molding equipment, which is characterized in that including lathe, be set in turn in lathe
On main shaft device, spinning roller device, tail ejection device, be arranged between main shaft device and tail ejection device and core model and be sleeved on outside core model
Ripple mold；Wherein, spinning roller device includes spinning roller frame and spinning roller, and spinning roller device connect with machine tool slide and can be in main shaft device
The servo motion between tail ejection device；Machining area, the main shaft in one end and main shaft device of the core model are set on spinning roller frame
Connection, ripple mold pass through the machining area on spinning roller frame and connect with tail ejection device；Spinning roller is set in spinning roller frame and can phase
Core model radial servo is fed.Tail ejection device includes tail-holder rack, tail upper frame and tail top, and tail-holder rack connect with machine tool slide and can
End relative to core model is axial close to or far from tail upper frame is slidably mounted on tail-holder rack upper end and can radially move relative to core model
It is dynamic, oil cylinder is set on tail upper frame, and tail top is installed on the end of cylinder piston rod and under the driving of oil cylinder relative to core model axial direction
Feeding, the tail top is adapted to the end shape of core model；The uniformly distributed cyclic annular punch-pin of ripple outer mold wall.
2. ripple tubing thin-walled parts necking in numerical control molding equipment according to claim 1, which is characterized in that also wrap
Include the shield being set between main shaft device and spinning roller device, the shield and spinning roller frame be detachably connected and with spinning roller frame
Synchronizing moving.
3. ripple tubing thin-walled parts necking in numerical control molding equipment according to claim 2, which is characterized in that described
Window is arranged in shield side.
4. ripple tubing thin-walled parts necking in numerical control molding equipment according to any one of claims 1 to 3, feature exist
In the ripple mold includes the basic mode of tubular, and the barrel of basic mode one end projects radially outward to form cyclic annular punch-pin, cyclic annular punch-pin
Port inside setting and the annular groove of basic mode other end nozzle size fit, several basic modes pass through annular groove and nozzle
Successively grafting obtains ripple mold.
5. ripple tubing thin-walled parts necking in numerical control molding equipment according to any one of claims 1 to 3, feature exist
In the spinning roller includes 3 main spinning rollers and 1 secondary spinning roller, and 3 main spinning rollers are circumferentially uniformly arranged on core model outer end and relative to core
The feeding of mould radial servo, 1 accessory whorl are set between two neighboring main spinning roller and feed relative to core model radial servo.
6. ripple tubing thin-walled parts necking in numerical control molding equipment according to claim 5, which is characterized in that described
Leadscrew-nut mechanism is arranged in spinning roller frame bottom, drives leadscrew-nut mechanism by motor to drive spinning roller frame can be relative to lathe reality
Now axial servo motion.Feed servo oil cylinder is set on spinning roller frame, the piston rod of servo-cylinder can relative to core model radially adjacent to
Or it is separate, spinning roller is set to the end of feed cylinder piston rod；Tail top oil cylinder and traversing oil cylinder, tail top are set on the tail footstock
The horizontal piston bar of oil cylinder can relative to core model end it is axial close to or far from, tail footstock is driven by tail top oil cylinder,
Tail upper frame is driven by traversing oil cylinder.
7. ripple tubing thin-walled parts necking in numerical control molding equipment according to claim 6, which is characterized in that described
Feed cylinder, tail top oil cylinder, traversing oil cylinder are controlled by the hydraulic control of lathe side and are provided for each executive component dynamic
Power, the hydraulic control include hydraulic station and fluid pressure line, and hydraulic oil cooling body is arranged in hydraulic control side.
8. according to any ripple tubing thin-walled parts necking in numerical control molding equipment of claim 7, which is characterized in that
It further include cooling system, cooling system includes cooling line and paper tape filter, outlet and the spinning working face pair of cooling line
It answers, paper tape filter is set to lathe one end.
9. ripple tubing thin-walled parts necking in numerical control molding equipment according to claim 8, which is characterized in that also wrap
Including control mechanism and operating mechanism, the control mechanism is respectively to operating mechanism, main shaft device, spinning roller device, tail ejection device, electricity
Machine, hydraulic control, hydraulic oil cooling body, cooling system are controlled；The operating mechanism includes display screen, input
Keyboard, indicator light, power key.
10. ripple tubing thin-walled parts necking in numerical control molding equipment according to claim 1, which is characterized in that institute
It states spinning roller frame, tail-holder rack and passes through guideway respectively and connect with machine tool slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811459712.4A CN109433896A (en) | 2018-11-30 | 2018-11-30 | Ripple tubing thin-walled parts necking in numerical control molding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811459712.4A CN109433896A (en) | 2018-11-30 | 2018-11-30 | Ripple tubing thin-walled parts necking in numerical control molding equipment |
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| CN109433896A true CN109433896A (en) | 2019-03-08 |
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| CN201811459712.4A Pending CN109433896A (en) | 2018-11-30 | 2018-11-30 | Ripple tubing thin-walled parts necking in numerical control molding equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112024743A (en) * | 2020-09-08 | 2020-12-04 | 山东楚雨源环保科技有限公司 | Pipeline end socket device for energy-saving and environment-friendly equipment |
| CN113369362A (en) * | 2021-06-07 | 2021-09-10 | 四川航天长征装备制造有限公司 | Method for forming cover for spaceflight |
| CN114643305A (en) * | 2022-03-25 | 2022-06-21 | 蔡衡 | Method and equipment for spinning corrugations in stable metal pipe fitting |
| CN117225997A (en) * | 2023-11-14 | 2023-12-15 | 丸一金属制品(天津)有限公司 | Steel pipe port reducing rolling rounding device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112024743A (en) * | 2020-09-08 | 2020-12-04 | 山东楚雨源环保科技有限公司 | Pipeline end socket device for energy-saving and environment-friendly equipment |
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| CN114643305A (en) * | 2022-03-25 | 2022-06-21 | 蔡衡 | Method and equipment for spinning corrugations in stable metal pipe fitting |
| CN117225997A (en) * | 2023-11-14 | 2023-12-15 | 丸一金属制品(天津)有限公司 | Steel pipe port reducing rolling rounding device |
| CN117225997B (en) * | 2023-11-14 | 2024-06-07 | 丸一金属制品(天津)有限公司 | Steel pipe port reducing rolling rounding device |
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Application publication date: 20190308 |