CN106623474A - Extruding die with interior and exterior of pipe provided with spiral fin proximate matter - Google Patents
Extruding die with interior and exterior of pipe provided with spiral fin proximate matter Download PDFInfo
- Publication number
- CN106623474A CN106623474A CN201710029866.9A CN201710029866A CN106623474A CN 106623474 A CN106623474 A CN 106623474A CN 201710029866 A CN201710029866 A CN 201710029866A CN 106623474 A CN106623474 A CN 106623474A
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- mould
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Links
- 238000003754 machining Methods 0.000 claims abstract description 16
- 238000009826 distribution Methods 0.000 claims abstract description 5
- 238000012545 processing Methods 0.000 claims description 34
- 238000001125 extrusion Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 238000003801 milling Methods 0.000 claims description 11
- 238000010892 electric spark Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000005242 forging Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 238000005553 drilling Methods 0.000 claims description 2
- 238000003672 processing method Methods 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 abstract 2
- 230000001681 protective effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 8
- 229910000838 Al alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000003032 molecular docking Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 210000000080 chela (arthropods) Anatomy 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
-
- 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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/24—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass dies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention relates to an extruding die with the interior and the exterior of a pipe provided with spiral fin proximate matter. A protection die cavity of the extruding die is spiral and rotates around the axis of the die, and the shape of the section of the protection die cavity is continuously enlarged from an inlet to an outlet; an upper die cavity inlet is in butt joint with a protection die cavity outlet, and the shapes of the sections, the circumferential distribution positions and the sizes of the upper die cavity inlet and the protective die cavity outlet are same; when the protection die cavity is machined, machining is performed on the inlet and the outlet of the die correspondingly, and then butt joint towards the center is performed; the die core outer circle, the end faces, the anti-deformation pit and the upper die air knife of an upper die cavity are first machined, and then a workpiece is overturned to machine the remaining portion of the cavity from the inlet face; when a lower die work strip is machined, a through hole with the diameter smaller than the diameter of a minimum inscribed circle of the work strip by 10 mm is machined in the center of the die, and the height difference of the lower die work strip is machined through an electrode; and a lower die air knife is machined on the outlet face, and the precise and the roughness degree of the air knife portion are guaranteed.
Description
Technical field
The present invention relates to carry spiral fin section bar inside and outside a kind of manufacture field of extrusion die, especially a kind of pipe
Extrusion die.
Background technology
Radiator by heat transfer, radiation, convection current heat spreader out, for people's production, living uses, but traditional
The radiator thermal efficiency is low, outward appearance is coarse and crude, heaviness, is progressively eliminated.A kind of Al-alloy heat exchanger of employing extrusion molding due to
It is lightweight, it is handsome in appearance, heat exchange efficiency is high and is selected in a large number.But, it is linear pattern in the fin of these radiators, although work
Skill is simple, but there is a problem of affecting rate of heat exchange.Radiator rate of heat exchange with helical heat spreader fin is high, radiating effect
Good, our company declared and obtained the 201310394344.0 of power in 03 day 09 month 2013《A kind of aluminium with spiral fin is closed
The production method of golden shaped material of radiator》Section bar of the spiral fin outside pipe can only be produced and processed, it is impossible to inside and outside production pipe
Section bar with spiral fin, especially because the production mould for carrying spiral fin section bar inside and outside pipe is because technique is multiple
Miscellaneous, the reason such as technology content and development cost height is researched and developed so far without producer.
The content of the invention
It is an object of the invention to provide carrying the extrusion die of spiral fin section bar inside and outside a kind of pipe, the mould can be squeezed
Pressure pipe inside and outside fin is spiral shaped material of radiator, and mould production method science, machining accuracy is high, good product quality.
The technical solution adopted for the present invention to solve the technical problems is：Inside and outside the pipe be made up of protection mould, upper die and lower die
With spiral fin profile extrusion die, it is characterized in that protection model cavity is spirality, and the axis around mould revolves
Turn, its cross sectional shape is constantly expanded from entrance to outlet；Upper model cavity entrance is docked with protection model cavity outlet, its section shape
Shape, circle distribution position, size are all identical, and upper model cavity is made up of spirality die cavity section with straight tube shape die cavity section, spirality
Die cavity section is located at arrival end, and straight tube shape die cavity section is located at the port of export, and the lower surface of upper mould is provided with resistance to deformation pit；Lower mould is in mould
One larger through hole of central authorities' processing, little 10 ㎜ of through-hole diameter inscribed circle diameter more minimum than lower die worker work band.
Protection model cavity is 10 °～100 ° around the anglec of rotation of mold axis.
Upper mould straight tube shape die cavity segment length accounts for the 10%～15% of model cavity total length, and remaining is spirality die cavity segment length
Degree.
The windup-degree of the spirality die cavity of upper mould is less than ± 5% with the windup-degree difference of protection model cavity.
The processing method with spiral fin profile extrusion die is inside and outside a kind of pipe：Using the H13 moulds of micronization processes
Tool steel is via, used as blank, blank is through rough turn, line, drilling, round, numerical control mill, heat treatment, smart car, fine grinding, number after forging
Control finish-milling, electricity are worn the operations such as work band, polishing and are made, and it is characterized in that：
When the 1st, protecting model cavity screw processing, by it from entrance to the continuous cross sectional shape for expanding of outlet and the axle around mould
The line anglec of rotation, to the entering of mould, exports and is processed respectively, then docks to center, by design program by mold tilt one
Determine angle, process each die cavity and dead band position, with the clear angle of electric spark, with model the anglec of rotation and section shape of die cavity are checked
Shape, then manual amendment removal electric machining vestige, then finish-milling die cavity, removes die cavity internal oxidition skin；
2nd, upper model cavity adds man-hour, it is ensured that entrance is docked with protection model cavity outlet, and the core rod in export processing face is cylindrical and end face
And the resistance to deformation pit of end face, then the upper mould sky knife of the straight tube shape die cavity with design program export processing face and core rod root,
Workpiece is finally overturn from inlet face processing cavity remainder, by the inlet face upset of mould it is angled after, process spiral
Shape cavity portion and dead band, then polished form；
3rd, lower die worker's work band adds man-hour, and in a mold centre one diameter of processing is than the leading to little 10 ㎜ of minimum inscribed circle diameter that work
Hole, it is ensured that lower die worker makees the dimensional accuracy and roughness of band, checks the profile of tooth of each radiating fin, is made with die worker under electrode machining
The difference in height of band, bonding container adds man-hour to determine work centre according to the inscribed circle of work band, while true with the anchor point in plane
Determine the putting position of workpiece, the mould sky knife under exit face processing is used according to empty knife-edge shape and use after computer programming NC Milling,
Ensure empty knife position precision and roughness.
The present invention's is reasonable in design, and processing technology is simply suitable for, and what is manufactured is inside and outside crowded with spiral fin section bar
Compression mould, Jing trial applications, the section quality for squeezing out is good, and lumber recovery is high.
Description of the drawings
1st, Fig. 1 is schematic structural view of the invention.
2nd, Fig. 2 is the left view of Fig. 1.
3rd, Fig. 3 is with the section bar figure of extrusion process of the present invention.
In figure：1st, mould is protected；2nd, upper mould；3rd, lower mould；4th, lower mould sky knife；5th, upper mould sky knife；6th, resistance to deformation pit；7th, lower mould
Work band；8th, bonding container；9th, upper model cavity；10th, model cavity is protected；11st, inlet face；12nd, upper die worker makees band.
Specific embodiment
In figs. 1 to 3, the present invention relates to one kind is by protecting mould（1）, upper mould（2）, lower mould（3）Carry inside and outside the pipe of composition
Spiral fin profile extrusion die, its protection model cavity（10）Rotate for spirality, and the axis around mould, the anglec of rotation
Constantly expanded from entrance to outlet for 10 °～100 ° its cross sectional shapes；Upper model cavity（9）Entrance and protection model cavity（10）Outlet
Docking, its cross sectional shape, circle distribution position, size are all identical, and upper model cavity is knot of the spirality in combination with straight tube shape
Structure, straight tube shape die cavity segment length accounts for the 10%～15% of model cavity total length, and remaining is spirality die cavity section, spirality die cavity section
Arrival end is located at, straight tube shape die cavity section is located at the port of export, upper mould（2）Lower surface is provided with resistance to deformation pit（6）；Lower mould（3）In mould
One larger through hole of tool central authorities processing, through-hole diameter 10 ㎜ less than work band minimum inscribed circle diameter.The spirality type of upper mould
The anglec of rotation of chamber section is less than ± 5% with the anglec of rotation difference of protection model cavity.
The present invention uses the H13 mould steel of micronization processes via, used as blank, blank is through rough turn, line, brill after forging
Hole, round, numerical control mill, heat treatment, smart car, fine grinding, numerical control finish-milling, electricity are worn the operations such as work band, polishing and are made, and can process
Relative to the rotating die cavity of axis so that aluminum alloy materials are at rotation status in initial period, and material is by work
The difference in height of work band is recycled further to increase rotating tendency when making band, until producing in the pipe for meeting design in addition
There is the section bar of spiral fin.
Protection mould（1）Eight die cavities are designed with, in the plane uniformly, have pressure-bearing bridging to connect between each die cavity, protect mould
Play and aluminum alloy materials are shunted in advance, changes flow trace, and share mould and bear crowded from the forward direction of extruder
Pressure.With little barrel dliameter extruding machining heavy in section section bar, and the upper mould of protection can be played a part of.The cavity design of protection mould
Rotate according to 10 °～100 ° around the axis of mould into the cross sectional shape constantly expanded to outlet from entrance, and die cavity.Adding
Man-hour, from inlet face（11）Process respectively with exit face, to center docking.Using three-shaft linkage numerical control milling machine tool, in each face
While processing cavity, apart from the edge 5mm positions locating and machining point of each die cavity, and the coordinate of each anchor point is recorded,
Use for remaining manufacturing procedure positioning.Because die cavity is spiral, even if processing then docking respectively using from each face
Processing scheme, the still presence in old processing dead band.Now need to use omnipotent rotary table, by mold tilt into certain angle
Degree, then processes several times each die cavity using program.The dead band position of machining, finally using electric machining electric spark into
Type operation carries out clear angle, and the anglec of rotation and cross sectional shape of die cavity are tested using model.Increase pincers worker people after electric machining
Work finishing process, removes the vestige that electric machining is stayed, and prevents the presence of hardened layer and affects die ＆ mold treatment effect.Die ＆ mold treatment
During need to carry out three tempering, to eliminate internal stress.Finish-milling die cavity operation is carried out afterwards, removes all oxidations in die cavity
Skin.
Upper mould is similarly designed with eight die cavities, and the final core rod for shaping of responsible aluminum alloy materials, upper die worker make band
（12）, equally have pressure-bearing bridging to connect between die cavity.Aluminum alloy materials enter upper model cavity（9）Further extend laterally afterwards,
Flow trace further changes so that material expands to bigger sectional area, forces with position until material works through core rod
So that aluminum alloy materials shaping.Upper model cavity（9）Entrance and protection model cavity（10）Outlet docking, no matter circle distribution position is also
It is that cross sectional shape, size are all identical.So that there is no significant change when protecting mould and upper mould binding site in material flowing therethrough.Upper model
Structure of the spirality in combination with straight tube shape is done in chamber, and apart from the port of export one section of straight die cavity, and spirality die cavity are being retained
Windup-degree be less than ± 5% with the windup-degree difference of protection model cavity, prevent material to flow into occur after upper mould and excessively reverse
Or the deficiency that reverses the trend, the dimensional accuracy after either way affecting section bar to become a useful person；The straight die cavity length of upper mould accounts for model
The 10%～15% of chamber total length.Upper mould adds man-hour first with the core rod of lathe process exit face is cylindrical and end face, and end face is anti-
Deformation pit（6）.Using the numerical control milling machine tool die cavity in program export processing face, respectively using φ 32 and the tool sharpenings of φ 12.
The upper mould sky knife of mould core portion position root is processed after processing cavity with φ 80X15-R3 dedicated tools（5）.Workpiece is finally overturn from entering
Mouth face processing cavity residue position.Omnipotent rotary table is reused, the inlet face upset of mould is angled, using number
Control milling machine tool processing cavity spiral position several times.Processing technology of the machining dead band with reference to protection mould.Finishing after heat treatment
Man-hour, the work band of core rod（12）Difference in height（That is land length）Follow fast flow velocity correspondence casual labourer and make band, slug flow speed correspondence length
Work band.Direction of rotation according to section bar determines that flow velocity speed determines again work band length.The round and smooth mistake in the short junction of work belt length
Cross.1 is processed during processing work band according to section bar sectional view using wire cutting:1 copper electrode, then electric spark operation use electrode
Finishing work belt surface, at least processes twice, to ensure work band precision.Reuse sky knife electrode, the length of processing work band
Degree.Electrode needs to make 1/4 toroidal, is easy to electrode to be mutually positioned with workpiece.The band that finally works is polished through pincers worker, upper mould
Machine.
Lower mould is designed with bonding container（8）, shelves platform, lower die worker make band（7）, help Liu Jiao, hinder angle and lower mould sky knife（4）.
And bonding container（8）Entry design incrementally increases seam pressure into certain angle of inclination；Shelves platform together with help Liu Jiao, hinder
The flowing velocity of the material at each position in the further balancing die inside in angle, in material formative stage, the work band of upper die and lower die
In correspondence with each other, jointly material forming, the task of setting are undertaken in position.The cylindrical and thickness of lower mould is carried out according to conventional machining mode
Processing, die worker makees band under processing（7）When entreat be processed into a larger through hole in a mold, through-hole diameter is more minimum than work band
Monolateral little 10mm of inscribed circle diameter or so, die deformation is excessive when can so prevent mould finishing work band.Processing work
Need repeatedly to be processed using slow wire feeding lathe during band, at least accomplish that cutting 1 repaiies 3, to ensure the dimensional accuracy of work band and thick
Rugosity.Work belt shape detects the profile of tooth of each radiation tooth using inspection template after machining.Then according to 1:1 ratio is cut
Work band difference in height copper electrode, electric spark operation using the work of mould under electrode machining with difference in height, choose by the length of difference in height
Principle follows die worker and makees the principle with difference in height.Bonding container（8）Finished using CNC milling machine, surface roughness reaches
More than 1.6um, and add man-hour that the center of workpiece must be determined according to the inscribed circle of work band, while with the positioning in plane
Point determines the putting position of workpiece.The mould sky knife under exit face processing（4）, after being programmed using computer software according to the shape of empty knife
Numerical control mill machine tooling, plus man-hour is used to use Integral alloy milling cutter.Ensure empty knife position precision and roughness.Whole set of die is adding
In work manufacturing process, it is necessary to get rid of the marks on surface after electric spark, linear cutter, prevent finished surface material from occurring crisp
Change, impact is normally used.
Claims (5)
1. a kind of inside and outside extrusion die with spiral fin section bar of pipe, is made up of protection mould, upper die and lower die, be it is characterized in that：
Protection model cavity is spirality, and the axis around mould rotates, and its cross sectional shape is constantly expanded from entrance to outlet；Upper model
Chamber entrance is docked with protection model cavity outlet, its cross sectional shape, circle distribution position, equivalently-sized, and upper model cavity is by spirality
Die cavity section is constituted with straight tube shape die cavity section, and spirality die cavity section is located at its arrival end, and straight tube shape die cavity section is located at its port of export, on
The lower surface of mould is provided with resistance to deformation pit；Lower mould entreats in a mold one through hole of processing, and it is minimum that through-hole diameter makees band than lower die worker
Little 10 ㎜ of inscribed circle diameter.
2. a kind of inside and outside extrusion die with spiral fin section bar of pipe according to claim 1, is characterized in that：It is described
Protection model cavity around mold axis the anglec of rotation be 10 °～100 °.
3. a kind of inside and outside extrusion die with spiral fin section bar of pipe according to claim 1, is characterized in that：It is described
Upper mould straight tube shape die cavity segment length account for the 10%～15% of model cavity total length.
4. a kind of inside and outside extrusion die with spiral fin section bar of pipe according to claim 1, is characterized in that：It is described
Upper mould spiral shape die cavity windup-degree with protection model cavity windup-degree difference be less than ± 5%.
5. a kind of inside and outside processing method with spiral fin profile extrusion die of pipe is：Using the H13 moulds of micronization processes
Steel is via, used as blank, blank is through rough turn, line, drilling, round, numerical control mill, heat treatment, smart car, fine grinding, numerical control after forging
Spiral finish-milling, spiral electricity are worn the operations such as work band, polishing and are made, and it is characterized in that：
（1）During protection model cavity screw processing, by it from entrance to the continuous cross sectional shape for expanding of outlet and around mould
The axis anglec of rotation, to the entering of mould, exports and is processed respectively, then docks to center, by design program by mold tilt
Certain angle, processes each die cavity and dead band position, with the clear angle of electric spark, with model the anglec of rotation and section shape of die cavity is checked
Shape, then manual amendment removal electric machining vestige, then finish-milling die cavity, removes die cavity internal oxidition skin；
（2）Upper model cavity adds man-hour, it is ensured that entrance is docked with protection model cavity outlet, and upper model cavity is by spirality and straight tube shape group
Arrival end is located at into, spirality die cavity section, straight tube shape die cavity section is located at the port of export, the core rod in first export processing face is cylindrical and end face
And the resistance to deformation pit of end face, then with the straight tube shape die cavity in design program export processing face, reprocess core rod position root
Upper mould sky knife, upset workpiece is from inlet face processing cavity remainder, then inlet face is overturn angled, processing spirality
Cavity portion and dead band, then polished form；
（3）Lower die worker makees band plus man-hour, in a mold centre one diameter of processing 10 ㎜ less than work band minimum inscribed circle diameter
Through hole, it is ensured that lower die worker makees the dimensional accuracy and roughness of band, checks the profile of tooth of each radiating fin, with die worker under electrode machining
Make the difference in height of band, bonding container processing after work centre is determined according to the inscribed circle of work band, while with the anchor point in plane
The putting position of workpiece is determined, then the mould sky knife under exit face processing, according to empty knife-edge shape using using numerical control mill after computer programming
Processing, it is ensured that empty knife position precision and roughness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710029866.9A CN106623474B (en) | 2017-01-17 | 2017-01-17 | A kind of inside and outside extrusion die for carrying spiral fin proximate matter of pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710029866.9A CN106623474B (en) | 2017-01-17 | 2017-01-17 | A kind of inside and outside extrusion die for carrying spiral fin proximate matter of pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106623474A true CN106623474A (en) | 2017-05-10 |
| CN106623474B CN106623474B (en) | 2018-10-19 |
Family
ID=58840580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710029866.9A Active CN106623474B (en) | 2017-01-17 | 2017-01-17 | A kind of inside and outside extrusion die for carrying spiral fin proximate matter of pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106623474B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112658054A (en) * | 2020-12-28 | 2021-04-16 | 东北轻合金有限责任公司 | Extrusion method of rectangular pipe |
| CN114290008A (en) * | 2021-12-31 | 2022-04-08 | 江苏金荣森制冷科技有限公司 | Automatic forming device for forming torsion and jacking extension |
| CN117798652A (en) * | 2024-02-28 | 2024-04-02 | 辽源飞跃工模具有限公司 | Equipment and method for assembling die |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0437411A (en) * | 1990-06-01 | 1992-02-07 | Showa Alum Corp | Dies for twist-extruding twisted material |
| JPH0698406B2 (en) * | 1989-03-06 | 1994-12-07 | 本田技研工業株式会社 | Screw rotor manufacturing method |
| JPH10166085A (en) * | 1996-12-11 | 1998-06-23 | Hitachi Cable Ltd | Method for extruding tube with groove on inner surface |
| JP2005297062A (en) * | 2004-03-16 | 2005-10-27 | Aisin Keikinzoku Co Ltd | Method and apparatus for manufacturing tube with spiral groove on inside surface |
| CN206435582U (en) * | 2017-01-17 | 2017-08-25 | 辽源飞跃工模具有限公司 | A kind of inside and outside extrusion die for carrying spiral fin section bar of pipe |
-
2017
- 2017-01-17 CN CN201710029866.9A patent/CN106623474B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0698406B2 (en) * | 1989-03-06 | 1994-12-07 | 本田技研工業株式会社 | Screw rotor manufacturing method |
| JPH0437411A (en) * | 1990-06-01 | 1992-02-07 | Showa Alum Corp | Dies for twist-extruding twisted material |
| JPH10166085A (en) * | 1996-12-11 | 1998-06-23 | Hitachi Cable Ltd | Method for extruding tube with groove on inner surface |
| JP2005297062A (en) * | 2004-03-16 | 2005-10-27 | Aisin Keikinzoku Co Ltd | Method and apparatus for manufacturing tube with spiral groove on inside surface |
| CN206435582U (en) * | 2017-01-17 | 2017-08-25 | 辽源飞跃工模具有限公司 | A kind of inside and outside extrusion die for carrying spiral fin section bar of pipe |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112658054A (en) * | 2020-12-28 | 2021-04-16 | 东北轻合金有限责任公司 | Extrusion method of rectangular pipe |
| CN114290008A (en) * | 2021-12-31 | 2022-04-08 | 江苏金荣森制冷科技有限公司 | Automatic forming device for forming torsion and jacking extension |
| CN114290008B (en) * | 2021-12-31 | 2023-06-06 | 江苏金荣森制冷科技有限公司 | Automatic forming device for forming torsion and top extension |
| CN117798652A (en) * | 2024-02-28 | 2024-04-02 | 辽源飞跃工模具有限公司 | Equipment and method for assembling die |
| CN117798652B (en) * | 2024-02-28 | 2024-05-03 | 辽源飞跃工模具有限公司 | Equipment and method for assembling die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106623474B (en) | 2018-10-19 |
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Application publication date: 20170510 Assignee: LIAONING FEIYUE TOOL & MOULD Co.,Ltd. Assignor: PANSHI CITY FEIYUE MOLD Co.,Ltd. Contract record no.: X2020220000005 Denomination of invention: Extruding die with interior and exterior of pipe provided with spiral fin proximate matter Granted publication date: 20181019 License type: Exclusive License Record date: 20200508 |
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