CN106825190B - Metal tube formation system and method - Google Patents
Metal tube formation system and method Download PDFInfo
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- CN106825190B CN106825190B CN201710038221.1A CN201710038221A CN106825190B CN 106825190 B CN106825190 B CN 106825190B CN 201710038221 A CN201710038221 A CN 201710038221A CN 106825190 B CN106825190 B CN 106825190B
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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
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
-
- 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
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
- B21D26/045—Closing or sealing means
-
- 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
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
- B21D26/047—Mould construction
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The present invention provides a kind of metal tube formation system and method, and system includes a mold and a pair of of fixture, and mold includes a upper mold and a lower die, and when upper mold and lower die mold, upper mold and lower intermode are formed with a die cavity；When metal tube formation system executes a forming process, one metal circular tube is placed in die cavity, the folder portion of two fixtures respectively enters in the two sides nozzle of metal circular tube to clamp metal circular tube, later, a high pressure gas is injected into metal circular tube so that the tube wall of metal circular tube is attached on the inner surface of die cavity and becomes a metal forming pipe fitting with special-shaped caliber or with grain pattern via the gas passage in fixture.
Description
Technical field
The present invention is espespecially a kind of that metal tube is configured to a special pipe about a kind of metal tube formation system and method
The system and method for the metal forming pipe fitting of diameter or a metal forming pipe fitting with grain pattern.
Background technique
Metal tube is widely used in machinery, automobile, space flight etc. industry.By metal tube forming technique to incite somebody to action
One metal tube is fabricated to the metal forming pipe fitting of a specific shape.
Referring to Fig. 1, the structural schematic diagram of the metal tube formation system for the prior art.As shown in Figure 1, metal tube
Formation system 100 includes a mold 11 and a spindle member 13.Mold 11 includes a upper mold 111 and a lower die 112.Upper mold 111 and
When lower die 112 merges, a die cavity 113 will be present between upper mold 111 and lower die 112.Die cavity 113 has an entrance 114, mandrel
Part 13 includes a tapered portion 131.When upper mold 111 and lower die 112 merge, spindle member 13 is folded among die cavity 113, and the heart
The tapered portion 131 of shaft member 13 will be arranged at the entrance 114 of die cavity 113.
When metal tube formation system 100 executes metal tube forming process, what an impeller 14 heated promotion one
The entrance 114 of metal circular tube 15 toward die cavity 113 promotes.When metal circular tube 15 progresses into inside die cavity 113 via entrance 114
When, the tube wall of metal circular tube 15 will gradually be strutted by the tapered portion 131 of spindle member 13 and is attached on die cavity 113.Then, golden
The tube wall for belonging to round tube 15 will cooperate the shape of die cavity 113 and become a metal forming pipe fitting.
In the metal tube formation system 100 of the prior art, mold 11 require greatly spindle member 13 with the use of with
Metal forming process is executed for metal circular tube 15, and usually only via metal forming pipe fitting produced by metal circular tube 15
Single shape aspect, such as: metal circular tube 15 is shaped as a great circle caliber with a part or the roundlet with a part
The metal forming pipe fitting of caliber.
In view of this, the present invention will provide a kind of metal tube formation system of innovation, the mold of formation system is not necessarily to
Being used cooperatively for one additional member (such as spindle member) can shape a metal forming pipe fitting, and metal forming pipe fitting can
It is formed with the caliber and/or grain pattern of multiple shape aspects, it will be the purpose of the present invention.
Summary of the invention
A purpose of the invention is to propose a kind of metal tube formation system and method, can be for a metal circular tube
Forming process is executed, so that metal circular tube can be made into a metal forming pipe with special-shaped caliber and/or grain pattern
Part.
A purpose of the invention is to propose that a kind of metal tube formation system, formation system have cone using a pair of
The fixture of shape component clamps the metal circular tube in mold, and the two sides nozzle of metal circular tube will be squeezed by the conical component of fixture
At a loudspeaker aspect so that metal circular tube the state of a sealing is showed between shape nozzle and the conical component of fixture, then,
When one to metal circular tube forming high pressure gas via wherein a fixture is injected into metal circular tube when, by avoidable high pressure gas
It is leaked out from the nozzle of metal circular tube.
To reach above-mentioned purpose, the present invention provides a kind of metal tube formation system, comprising: a mold, including a upper mold
And a lower die, when upper mold and lower die mold, upper mold and lower intermode are formed with a die cavity, wherein the section of the width direction of die cavity
In have a variety of chamfered shapes；And a pair of of fixture, a side of each fixture are respectively arranged with a folder portion, wherein at least one folder
Tool includes an air inlet and a gas delivery outlet, and gas delivery outlet is arranged in folder portion, and a gas piping is arranged in gas
Between body input hole and gas delivery outlet；Wherein, when metal tube formation system executes a forming process, a metal circular tube is placed
In die cavity, two fixtures are respectively enterd in the two sides nozzle of metal circular tube via folder portion to clamp metal circular tube, a high pressure gas
It is injected into metal circular tube via air inlet, gas piping and gas delivery outlet so that the tube wall of metal circular tube is attached to mould
Become a metal forming pipe fitting with special-shaped caliber on cave.
In one embodiment of the invention, folder portion is the component of a taper, and when folder portion enters the nozzle of metal circular tube, nozzle will
One loudspeaker aspect is squeezed by folder portion.
In one embodiment of the invention, the inner surface of die cavity includes a grain pattern layer, when metal circular tube tube wall by
When the air pressure of high pressure gas is impacted and is attached to the grain pattern layer of die cavity, will be formed in a mold one have special-shaped caliber and
The metal forming pipe fitting of grain pattern.
In one embodiment of the invention, metal circular tube is the metal circular tube of the metal circular tube of a same caliber, a gradual change caliber
Or one different tube diameters metal circular tube.
In one embodiment of the invention, upper mold and lower die have half die cavity, half die cavity of upper mold and half die cavity of lower die respectively
With profile construction symmetrically or non-symmetrically.
In one embodiment of the invention, the inside or periphery of mold are respectively arranged with an at least heater, when metal tube at
When shape system executes forming process, heater will be heated to mold one predetermined temperature, and predetermined temperature is 400 ~ 500 DEG C.
In one embodiment of the invention, metal circular tube is the tube body of an almag or a titanium alloy.
In one embodiment of the invention, the pressure of high pressure gas is 50 ~ 200kg/cm2。
In one embodiment of the invention, when metal forming pipe fitting is formed in mold, the folder portion of fixture is from metal forming pipe
The two sides nozzle of part exits, and mold moves on a cooling platform.
The present invention provides a kind of metal tube formation system again, comprising: a mold, including a upper mold and a lower die, when upper
When mould and lower die mold, there are a die cavitys for upper mold and lower intermode, and wherein the inner surface of die cavity includes a grain pattern layer；And it is a pair of
Fixture, a side of each fixture are respectively arranged with a folder portion, and wherein at least one fixture includes an air inlet and a gas
Body delivery outlet, gas delivery outlet are arranged in folder portion, and a gas piping is arranged between air inlet and gas delivery outlet；Its
In, when metal tube formation system executes a forming process, a metal circular tube is placed in die cavity, and two fixtures are via folder portion point
Jin Ru not clamp metal circular tube in the two sides nozzle of metal circular tube, a high pressure gas via air inlet, gas piping and
Gas delivery outlet is injected into metal circular tube so that the tube wall of metal circular tube is attached on the grain pattern layer of die cavity and becomes one
Metal forming pipe fitting with grain pattern.
The present invention provides a kind of metal tube manufacturing process again, and step includes: to place a metal circular tube to the one of a mold
In die cavity；Heating mould is to a default temperature；The folder portion of a pair of of fixture is enabled to enter in the two sides nozzle of metal circular tube to clamp gold
Belong to round tube；The two sides nozzle of metal circular tube is squeezed so that the two sides nozzle of metal circular tube is extruded respectively via the folder portion of two fixtures
At a loudspeaker aspect；And a high pressure gas is enabled to be injected into metal circular tube the pipe so that metal circular tube via at least one fixture
Wall is attached on the inner surface of die cavity and becomes a metal forming pipe fitting with special-shaped caliber or with grain pattern.
Further include a step in one embodiment of the invention: enabling metal forming pipe fitting forming move back in mold flat to a cooling
On platform.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the metal tube formation system of the prior art.
Fig. 2 is the structural perspective when mold of the metal tube formation system of one embodiment of the invention is opened.
Structural perspective when Fig. 3 is the mold closure of the metal tube formation system of one embodiment of the invention.
Structural schematic diagram when Fig. 4 is the mold closure of the metal tube formation system of one embodiment of the invention.
Structural schematic diagram when Fig. 5 is metal tube formation system one high pressure gas of injection of one embodiment of the invention.
Fig. 6 is that the structure that the mold of the metal tube formation system of one embodiment of the invention is placed on a cooling platform is shown
It is intended to.
Fig. 7 is the structural perspective that the present invention takes out a metal forming pipe fitting from the mold of metal tube formation system.
Fig. 8 is the die cavity of the mold of one embodiment of the invention and the enlarged section of metal forming pipe fitting.
Fig. 9 is the die cavity of the mold of further embodiment of this invention and the enlarged section of metal forming pipe fitting.
Figure 10 is that metal tube formation system of the present invention using the metal circular tube of a gradual change caliber produces a metal forming
The schematic diagram of pipe fitting.
Figure 11 is upper mold/lower die structural perspective of further embodiment of this invention.
Structural schematic diagram when Figure 12 is metal tube formation system one high pressure gas of injection of further embodiment of this invention.
Figure 13 is the structural perspective for the metal forming pipe fitting that the present invention has grain pattern.
Primary clustering symbol description:
100 metal tube formation system, 11 mold
111 upper mold, 112 lower die
113 die cavity, 13 spindle member
131 tapered portion, 14 impeller
15 metal circular tube, 200 metal tube formation system
21 mold, 211 upper mold
212 lower die, 22 die cavity
23 fixture, 231 folder portion
24 fixture, 241 folder portion
250 high pressure gas, 251 air inlet
252 gas piping, 253 gas delivery outlet
27 heater, 29 grain pattern layer
30 metal circular tube, 301 nozzle
31 metal forming pipe fitting, 32 metal circular tube
33 metal forming pipe fitting, 331 grain pattern.
Specific embodiment
Fig. 2, Fig. 3, Fig. 4 and Fig. 5 are please referred to, the mold of the respectively metal tube formation system of one embodiment of the invention is beaten
Structural perspective and knot when the mold closure of the metal tube formation system of structural perspective, one embodiment of the invention when opening
Structure schematic diagram and the metal tube formation system of one embodiment of the invention inject a structural schematic diagram when high pressure gas.Such as this
Shown in a little figures, metal tube formation system 200 of the invention includes a mold 21 and a pair of of fixture 23,24.Mold 21 includes one
Upper mold 211 and a lower die 212.When upper mold 211 and lower die 212 mold, a die cavity is formed between upper mold 211 and lower die 212
22.The inside or periphery of upper mold 211 and lower die 212 are respectively arranged with an at least heater 27.A side of fixture 23,24 is distinguished
It is provided with a folder portion 231,241.Fixture 23 includes an air inlet 251 and a gas delivery outlet 253, gas delivery outlet
253 are arranged in folder portion 231, and a gas piping 252 will be located between air inlet 251 and gas delivery outlet 253.
As shown in Figures 3 and 4, when metal tube formation system 200 is intended to execute a metal circular tube 30 a forming process
When, upper mold 211 and lower die 212 mold, and metal circular tube 30 is located in the die cavity 22 of mold 21.Heater 27 executes mold 21
Mold 21 is heated to a predetermined temperature by one heating schedule.
As shown in figure 5, fixture 23,24 respectively enters gold via folder portion 231,241 after mold 21 is heated to predetermined temperature
Belong in the two sides nozzle 301 of round tube 30 to clamp metal circular tube 30.Later, a high pressure gas 250 via air inlet 251,
Gas piping 252 and gas delivery outlet 253 are to be injected among metal circular tube 30.Then, the tube wall of metal circular tube 30 is by high pressure
The impact of gas 250 and be attached on the inner surface of die cavity 22, so that metal circular tube 30 is capable of being shaped to a metal forming pipe fitting 31.
In the present invention, high pressure gas 250 is that an air or one have inert gas, such as helium (He), neon (Ne), nitrogen
(N2)。
In one embodiment of the invention, folder portion 231/241 is the component of a taper.It has been heated when the entrance of folder portion 231,241
When the nozzle 301 of metal circular tube 30, the nozzle 301 of the metal circular tube 30 heated will be squeezed by the folder portion 231,241 of taper
One loudspeaker aspect.Then, the state of a sealing will be showed between the nozzle 301 of shape and the folder portion 231,241 of cone-shaped.
Then, by sealing effect generated between nozzle 301 and folder portion 231,241, when high pressure gas 250 is injected into metal circular tube 30
When, avoidable high pressure gas 250 is leaked out from nozzle 301.
In one embodiment of the invention, metal tube formation system 200 uses an almag (such as 6061 models, 6063 types
Number or 5083 models almag, but not limited to this) metal circular tube 30 make metal forming pipe fitting 31.Metal tube
Predetermined temperature needed for formation system 200 executes forming process for the metal circular tube 30 of almag is 400 ~ 500 DEG C, and high
Calm the anger body 250 pressure be 50 ~ 200kg/cm2.Alternatively, metal tube formation system 200 is also adopted in further embodiment of this invention
Metal forming pipe fitting 31 is made of the tube body of a titanium alloy or other metal materials, and metal tube formation system 200 is held
The pressure of predetermined temperature and high pressure gas 250 needed for row forming process by according to the metal circular tube 30 for selecting unlike material and into
Row adjustment appropriate.
It connects, as shown in fig. 6, metal tube formation system 200 of the invention further includes a cooling platform 50.Cooling platform
50 include a cooling circuit 501.When metal forming pipe fitting 31 is formed in mold 21, the folder portion 231,241 of fixture 23,24
It will be exited from the two sides nozzle 301 of metal forming pipe fitting 31.The mold 21 of high temperature will move on cooling platform 50, in cooling
Platform 50 cools down.Later, if as shown in fig. 7, mold 21 has cooled down, mold 21 is opened, metal forming pipe fitting 31 from mold 21 it
Middle taking-up, to complete the forming process of metal tube.
Referring to Fig. 8, for the die cavity of the mold of one embodiment of the invention and the enlarged section of metal forming pipe fitting.This reality
The inner surface for applying the die cavity 22 of example is the surface being made of the chamfered shape of gradual change.As shown in figure 8, in the width side of die cavity 22
Section is carried out upwards, and on the A1-A1 ' of sectional position, the chamfered shape of the inner surface of die cavity 22 is a small circle；Sectional position
On A2-A2 ', the chamfered shape of the inner surface of die cavity 22 is a big circle；On the A3-A3 ' of sectional position, the inner surface of die cavity 22
Chamfered shape be an approximate hexagon circle；On the A4-A4 ' of sectional position, the chamfered shape of the inner surface of die cavity 22 is one
Hexagon；On the A5-A5 ' of sectional position, the chamfered shape of the inner surface of die cavity 22 is the circle of an approximate hexagon；Sectional position
On A6-A6 ', the chamfered shape of the inner surface of die cavity 22 is a big circle；On the A7-A7 ' of sectional position, the inner surface of die cavity 22
Chamfered shape be a small circle.Then, the inner surface of the die cavity 22 of the present embodiment is made of the chamfered shape of gradual change
Surface, such as: crossfade into hexagon from roundlet, great circle, then fade to roundlet from hexagon, great circle.Then, metal tube shapes
The gradual course shape according to possessed by 22 inner surface of die cavity of system 200 is with the corresponding metal forming pipe for shaping a gradual change caliber
Part 31.
Referring to Fig. 9, for the die cavity of the mold of further embodiment of this invention and the enlarged section of metal forming pipe fitting.This
The inner surface of the die cavity 22 of embodiment is the surface being made of a variety of chamfered shapes.As shown in figure 9, in the width of die cavity 22
Carry out A1-A1 ' ~ section A7-A7 ' on direction respectively, the chamfered shape in die cavity 22 can also include circle, hexagon, just
It is rectangular etc..Then, metal tube formation system 200 is according to a variety of chamfered shapes in die cavity 22 in the tube body of metal circular tube 30
On be formed with the calibers of various shapes, such as circle, hexagon, square caliber, cause to produce the gold of an abnormity caliber
Belong to forming pipe fitting 31.
Furthermore upper mold 211 and lower die 212 have half die cavity respectively, and die cavity 22 will be by half die cavity and lower die of upper mold 211
212 half die cavity is formed.In an embodiment of the present invention, half die cavity of upper mold 211 and half die cavity of lower die 212 have symmetrical
Profile construction so that metal forming pipe fitting 31 can be formed with symmetrical caliber construction.Alternatively, in further embodiment of this invention
In, half die cavity of upper mold 211 and half die cavity of lower die 212 are constructed with asymmetrical profile, so that 31 energy of metal forming pipe fitting
Enough it is formed with asymmetrical caliber construction.
Referring to Fig. 10, for metal tube formation system of the invention using a gradual change caliber metal circular tube execute one at
The schematic diagram of shape program.As described above, metal tube formation system 200 can the metal circular tube 30 for same caliber execute forming
Program, to produce metal forming pipe fitting 31.Alternatively, as shown in Figure 10, metal tube formation system 200 can also be for a gradual change
The metal circular tube 32 of caliber or the metal circular tube of a different tube diameters execute shaping program, to produce metal forming pipe fitting 31.
Please refer to Figure 11 and Figure 12, respectively upper mold/lower die structural perspective and metal of further embodiment of this invention
Pipe fitting forming system injects a structural schematic diagram when high pressure gas.As shown in FIG. 11 and 12, mold 21 of the invention is upper
Mould 211 or lower die 212 include half die cavity 2111 or 2121.When upper mold 211 and lower die 212 mold, half die cavity 2111,
Group is become die cavity 22 by 2121.The inner surface of die cavity 22 includes a grain pattern layer 29.The metal tube of the present embodiment shapes system
System 200 will execute metal circular tube 30 the forming process of a grain pattern.
When executing the forming process of grain pattern for metal circular tube 30, upper mold 211 and lower die 212 are molded, metal circular tube
30 are located in the die cavity 22 of mold 21.Heater 27 executes a heating schedule for mold 21, and it is predetermined that mold 21 is heated to one
Temperature.After mold 21 is heated to predetermined temperature, fixture 23,24 respectively enters the two of metal circular tube 30 via folder portion 231,241
To clamp metal circular tube 30 in side pipe mouth 301.Later, high pressure gas 250 is via air inlet 251, gas piping 252 and gas
Body delivery outlet 253 is to be injected among metal circular tube 30.Then, the tube wall of metal circular tube 30 by high pressure gas 250 impact and
It is attached on the grain pattern layer 29 of die cavity 22, to be configured to a metal forming pipe fitting 33 with grain pattern 331.Then,
Fixture 23,24 is exited from the two sides of mold 21, and mold 21 moves to cooling platform 50 and cools down.Mold 21 after cooling is opened
The metal forming pipe fitting 33 with grain pattern 331 is taken out from mold 21, as shown in figure 13.
Furthermore the same metal circular tube 30 that almag also can be selected of metal tube formation system 200 executes lines figure
The forming process of case.Also, predetermined temperature needed for metal tube formation system 200 executes the forming process of grain pattern is
400 ~ 500 DEG C, and the pressure of high pressure gas 250 is 50 ~ 200kg/cm2.Alternatively, in further embodiment of this invention, metal tube
Formation system 200 can also select the metal circular tube 30 of titanium alloy or other metal materials to execute the forming process of grain pattern.
Certainly, in further embodiment of this invention, the inner surface of the die cavity 22 of mold 21 has existed simultaneously multiple chamfered shapes
And grain pattern layer 29, so that metal tube formation system 200 can shape one by die cavity 22 has grain pattern and different
The metal forming pipe fitting 33 of shape caliber.
As described above, a preferred embodiment only of the invention is not used to limit the scope of implementation of the present invention,
I.e. all equivalent changes and modifications carried out by according to shape, construction described in the claims in the present invention, feature and spirit, should all be included in
In claim of the invention.
Claims (15)
1. a kind of metal tube formation system, which is characterized in that the metal tube formation system includes:
One mold, including a upper mold and a lower die, when the upper mold and lower die molding, the upper mold and the lower intermode
It is formed with a die cavity, wherein there is a variety of chamfered shapes and a grain pattern layer in the section of the width direction of the die cavity,
The wherein inside of the mold or a periphery setting at least heater, to heat the mold；
A pair of of fixture, a side of each fixture are respectively arranged with a folder portion, and fixture described in wherein at least one includes one
Air inlet and a gas delivery outlet, the gas delivery outlet are arranged in the folder portion, and a gas piping is arranged described
Between air inlet and the gas delivery outlet；Wherein, when the metal tube formation system executes a forming process, a gold medal
Belong to round tube to be placed in the die cavity, two fixtures respectively enter in the two sides nozzle of the metal circular tube via the folder portion
To clamp the metal circular tube, a high pressure gas is via the air inlet, the gas piping and the gas delivery outlet
It is injected into the metal circular tube so that the tube wall of the metal circular tube is attached on the die cavity and becomes one with special pipe
The metal forming pipe fitting of diameter and grain pattern；And
One cooling platform, including a cooling circuit, when the metal forming pipe fitting is formed in the mould, the fixture
The folder portion is exited from the two sides nozzle of the metal forming pipe fitting, and the mold and the metal forming pipe fitting are moved to institute
It states on cooling platform.
2. metal tube formation system according to claim 1, which is characterized in that the folder portion is the component of a taper,
When the folder portion enters the nozzle of the metal circular tube, the nozzle will be squeezed into a loudspeaker aspect by the folder portion.
3. metal tube formation system according to claim 1, which is characterized in that the tube wall of the metal circular tube is by institute
State high pressure gas air pressure impact and be attached to the die cavity the chamfered shape and the grain pattern layer.
4. metal tube formation system according to claim 1, which is characterized in that the metal circular tube is a same caliber
Metal circular tube, a gradual change caliber metal circular tube.
5. metal tube formation system according to claim 1, which is characterized in that the metal circular tube is a different tube diameters
Metal circular tube.
6. metal tube formation system according to claim 1, which is characterized in that the upper mold and the lower die have respectively
There is profile symmetrically or non-symmetrically to construct for half die cavity, half die cavity of the upper mold and half die cavity of the lower die.
7. metal tube formation system according to claim 1, which is characterized in that when the metal tube formation system is held
When the row forming process, the heater will be heated to the mold one predetermined temperature, the predetermined temperature for 400~
500℃。
8. metal tube formation system according to claim 1, which is characterized in that the metal circular tube is an almag
Or one titanium alloy tube body.
9. metal tube formation system according to claim 1, which is characterized in that the pressure of the high pressure gas be 50~
200kg/cm2。
10. a kind of metal tube formation system, which is characterized in that the metal tube formation system includes:
One mold, including a upper mold and a lower die, when the upper mold and lower die molding, the upper mold and the lower intermode
There are a die cavitys, wherein the inner surface of the die cavity includes a grain pattern layer, wherein the inside of the mold or periphery setting
An at least heater, to heat the mold；And
A pair of of fixture, a side of each fixture are respectively arranged with a folder portion, and fixture described in wherein at least one includes a gas
Input hole and a gas delivery outlet, the gas delivery outlet are arranged in the folder portion, and a gas piping is arranged in the gas
Between input hole and the gas delivery outlet；Wherein, when the metal tube formation system executes a forming process, a round metal
Pipe is placed in the die cavity, and two fixtures respectively enter in the two sides nozzle of the metal circular tube via the folder portion with folder
Metal circular tube is stated in residence, and a high pressure gas is injected via the air inlet, the gas piping and the gas delivery outlet
Extremely so that the tube wall of the metal circular tube is attached on the grain pattern layer of the die cavity and becomes in the metal circular tube
The one metal forming pipe fitting with grain pattern；And
One cooling platform, including a cooling circuit, when the metal forming pipe fitting is formed in the mould, the fixture
The folder portion is exited from the two sides nozzle of the metal forming pipe fitting, and the mold and the metal forming pipe fitting are moved to institute
It states on cooling platform.
11. metal tube formation system according to claim 9, which is characterized in that the folder portion is the component of a taper,
When the folder portion enters the nozzle of the metal circular tube, the nozzle will be squeezed into a loudspeaker aspect by the folder portion.
12. metal tube formation system according to claim 9, which is characterized in that when the metal forming pipe fitting forming
When executing the forming process, the heater will be heated to the mold one predetermined temperature, and the predetermined temperature is 400
~500 DEG C.
13. metal tube formation system according to claim 9, which is characterized in that the metal circular tube is magnalium conjunction
The tube body of gold or a titanium alloy.
14. metal tube formation system according to claim 9, which is characterized in that the pressure of the high pressure gas is 50
~200kg/cm2。
15. a kind of metal tube manufacturing process, which is characterized in that the metal tube manufacturing process the following steps are included:
In the die cavity for placing a metal circular tube a to mold；
An at least heater for the mold is enabled to heat the mold to a predetermined temperature；
The folder portion of a pair of of fixture is enabled to enter in the two sides nozzle of the metal circular tube to clamp the metal circular tube；
Via the folder portion to fixture squeeze the metal circular tube two sides nozzle so that the metal circular tube two sides nozzle
It is squeezed into a loudspeaker aspect respectively；
The high pressure gas is enabled to be injected into the metal circular tube via fixture described at least one so that the metal circular tube
Tube wall is attached on the inner surface of the die cavity and becomes a metal forming pipe fitting with special-shaped caliber or with grain pattern；
And
The metal forming pipe fitting forming is enabled to move back in the mold to a cooling platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710038221.1A CN106825190B (en) | 2017-01-19 | 2017-01-19 | Metal tube formation system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710038221.1A CN106825190B (en) | 2017-01-19 | 2017-01-19 | Metal tube formation system and method |
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| Publication Number | Publication Date |
|---|---|
| CN106825190A CN106825190A (en) | 2017-06-13 |
| CN106825190B true CN106825190B (en) | 2019-06-07 |
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| CN107377733A (en) * | 2017-09-15 | 2017-11-24 | 湘潭大学 | Light-alloy pipe fitting inflatable thermal formation apparatus and forming method based on electromagnetic pulse |
| CN109926486B (en) * | 2017-12-18 | 2020-02-07 | 哈尔滨工业大学 | Ti2Method for hot-state air pressure forming and heat treatment of AlNb-based alloy hollow thin-wall component |
| CN115178736A (en) * | 2021-04-07 | 2022-10-14 | 财团法人金属工业研究发展中心 | Metal implant forming device and metal implant forming method |
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|---|---|---|---|---|
| JPS6137327A (en) * | 1984-07-30 | 1986-02-22 | Hitachi Ltd | Production of tapered tube |
| CN202803879U (en) * | 2012-09-14 | 2013-03-20 | 黄启瑞 | Metal plate forming system |
| CN105562516B (en) * | 2016-03-15 | 2018-03-30 | 哈尔滨工业大学 | A kind of variable cross-section special piece topping up method for press forming |
| CN106216481B (en) * | 2016-09-14 | 2018-01-26 | 哈尔滨工业大学 | A kind of big section difference odd-shaped cross section pipe fitting swelling pressure combined shaping method |
| CN206912012U (en) * | 2017-01-19 | 2018-01-23 | 鼎艺科技股份有限公司 | Metal tube formation system |
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2017
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