CN106493213A - The manufacture device and method of a kind of pipeline - Google Patents
The manufacture device and method of a kind of pipeline Download PDFInfo
- Publication number
- CN106493213A CN106493213A CN201611217911.5A CN201611217911A CN106493213A CN 106493213 A CN106493213 A CN 106493213A CN 201611217911 A CN201611217911 A CN 201611217911A CN 106493213 A CN106493213 A CN 106493213A
- Authority
- CN
- China
- Prior art keywords
- pipe
- pipeline
- mold
- lower mould
- arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
- B21D26/037—Forming branched tubes
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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)
- Pipe Accessories (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Abstract
The invention discloses the manufacture device and method of a kind of pipeline, pipe is clamped up and down by mold and lower mould, and in the two ends press-in elastic packing plug of pipe, seal pipe two ends, and at least one be provided with for the pressurizing device to pressurising in pipe on sealing-plug, pipe is radially pressed up and down by mold and lower mould again, and simultaneously by pressurizing device to pressurising in pipe, pipe is made while being subject to radial pressure and intrinsic pressure collective effect, so that blank tube material is flowed on mold in through hole corresponding with arm, form arm, complete the shaping of a pipeline.In sum, the manufacture device of the pipeline that the present invention is provided, can make arm pipeline forming quality good and arm height is high, when can solve arm bulging feed supplement difficult and the problems such as cause arm highly low and rupture.
Description
Technical field
The present invention relates to a pipeline manufacture field, the manufacture device and method of more particularly to a kind of pipeline.
Background technology
A pipeline with arm is particularly the characteristics of three arms are because of its structure side by side, in petrochemical industry, automobile exhaust
It is widely used in each tubing in field such as pipe and daily life.
At present, shaping is side by side more than the part of three arm this class formation using welding and casting technique.Using welding procedure, lead to
The hole corresponding to preform arm on the supervisor is crossed, then by arm and supervisor's welding forming, although the method can be taken office
Three arm side by side of meaning arm height, but ask as commissure easily has the defects such as welding slag, hole and is easily caused get rusty, reveal etc.
Topic.Using casting technique, the problems such as because segregation, shrinkage cavity and shrinkage porosite easily occur in casting process, and then part mechanics can be caused
Performance is low, affects its forming quality and service life.
Also a kind of by applying internal pressure the method for obtaining monoblock type three arms side by side to leading directly to tubing, which can overcome weldering
The deficiency with cast form is connect, but arm is difficult to the feed supplement for obtaining axial feed in forming process, easily causes tubing and subtracts ahead of time
Thin and occur rupture defect, cause the forming height of arm to be restricted, constrain the range of application of three arms side by side.
Therefore how to make arm pipeline forming quality good and arm height is high, be that those skilled in the art need to solve at present
Technical problem.
Content of the invention
It is an object of the invention to provide the manufacture device and method of a kind of pipeline, its structure design can make arm pipe
Road forming quality is good and arm height is high.
For solving above-mentioned technical problem, the present invention provides the manufacture device of a kind of pipeline, including for clamping pipe
Mold and lower mould, the mold closes to form the inner chamber consistent with described pipeline profile with the lower mould,
When being placed on the pipe between the mold and the lower mould, have between the mold and the lower mould
The gap that the pipe can be radially pressed up and down, also includes being located at the pipe two ends and two elasticity for sealing is close
Blocking, is provided with sealing-plug described at least one for the pressurizing device to pressurising in the pipe.
Preferably, it is placed with the gap between the mold and the lower mould and is located at the pipe left and right sides
And the left drift and right drift for radially pressing to the pipe left and right directions.
Preferably, the sealing-plug is specially rubber stopper.
Preferably, the pressurizing device is installed in two sealing-plugs.
Preferably, the pressurizing device is particularly for the replenishing valve to the pipe internal-filling liquid.
The present invention also provides the manufacture method of a kind of pipeline, including step：
S1：Pipe is clamped up and down by mold and lower mould, the mold and the lower mould close to be formed and institute
State the consistent inner chamber of a pipeline profile, the upper and lower both sides of the pipe distance is more than described pipeline predominant tube diameter and which is left
The spacing of right two side is not more than described pipeline predominant tube diameter；
S2：Elastic packing plug is respectively pressed at the two ends of the pipe, and be provided with sealing-plug described at least one with
The pressurizing device of the pipe endoporus connection；
S3：The outer wall of the pipe is pressed by the mold, and simultaneously by the pressurizing device to the pipe
Pressurising in base is until form described pipeline.
Preferably, step S1 is specifically included：
The pipe with diameter greater than described pipeline predominant tube diameter is clamped by mold and lower mould；
In gap between the mold and the lower mould and the pipe both sides place respectively left drift and
Right drift；
Radial direction pressure is carried out to the pipe by the left drift and the right drift, to pipe left and right sides wall
Spacing be not more than described pipeline predominant tube diameter when, remove the left drift and the right drift.
The manufacture device and method of the pipeline that the present invention is provided, clamps pipe up and down by mold and lower mould,
And the two ends press-in elastic packing plug in pipe, seal pipe two ends, and be provided with for pipe at least one sealing-plug
The pressurizing device of pressurising in base, then pipe is radially pressed up and down by mold and lower mould, and pass through pressurizing device simultaneously
The pressurising into pipe, makes pipe while being subject to radial pressure and intrinsic pressure collective effect, so that blank tube material flows to mold
In upper through hole corresponding with arm, arm is formed, complete the shaping of a pipeline.In sum, the arm pipe that the present invention is provided
The manufacture device in road, can make arm pipeline forming quality good and arm height is high, can solve feed supplement during arm bulging difficult and
The problems such as causing arm highly low and rupture.
Description of the drawings
Fig. 1 is a kind of structural representation of specific embodiment of the manufacture device of provided by the present invention pipeline；
Fig. 2 is a kind of front sectional view of specific embodiment of the manufacture device of provided by the present invention pipeline；
Fig. 3 is a kind of side view cutaway drawing of specific embodiment of the manufacture device of provided by the present invention pipeline；
Fig. 4 is the structural representation of another kind of specific embodiment of the manufacture device of provided by the present invention pipeline
Figure；
Fig. 5 is the front view of another kind of specific embodiment of the manufacture device of provided by the present invention pipeline；
Fig. 6 is to carry out the front sectional view of upsetting pressure to pipe using the manufacture device of provided by the present invention pipeline；
Fig. 7 is to carry out the schematic diagram of hydroforming with radial crushing to pipe using the manufacture device of provided by the present invention pipeline；
Fig. 8 is a kind of flow chart of specific embodiment of the manufacture method of provided by the present invention pipeline；
Fig. 9 is the flow chart of another kind of specific embodiment of the manufacture method of provided by the present invention pipeline.
Wherein, L is the distance of the both sides up and down of the pipe being placed between mold and lower mould, and D is pipe or so two
The spacing of side wall.
Specific embodiment
The core of the present invention is to provide the manufacture device and method of a kind of pipeline, and its structure design can make arm pipe
Road forming quality is good and arm height is high.
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Fig. 1, Fig. 2, Fig. 3 and Fig. 7 is refer to, Fig. 1 is a kind of tool of the manufacture device of provided by the present invention pipeline
The structural representation of body embodiment；Fig. 2 is a kind of specific embodiment party of the manufacture device of provided by the present invention pipeline
The front sectional view of formula；Fig. 3 is a kind of side-looking of specific embodiment of the manufacture device of provided by the present invention pipeline
Sectional view；Fig. 7 is to carry out the schematic diagram of hydroforming with radial crushing to pipe using the manufacture device of provided by the present invention pipeline.
The manufacture device of the pipeline that the specific embodiment of the invention is provided, including for clamping the mold 2 of pipe 1
With lower mould 3 and be located at 1 two ends of pipe and for seal two elastic packing plugs 4, on wherein at least one sealing-plug 4 pacify
Equipped with for the pressurizing device 5 to pressurising in pipe 1.
Pipe 1 is that mold 2 and lower mould 3 are that pipe 1 is made arm pipe for processing the blank used by a pipeline
The mould in road, then form the inner chamber consistent with a pipeline profile with lower mould 3 after mold 2 is closed completely；For ensureing arm
During pipeline forming, arm can obtain feed supplement, when pipe 1 being placed between mold 2 and lower mould 3, mold 2
Have and lower mould 3 between can to the gap of 1 above-below direction of pipe radially pressure, that is, be placed on mold 2 and lower mould 3 it
Between pipe 1 both sides up and down apart from L more than a pipeline predominant tube diameter so that there is enough materials in forming process in arm
Stream is to arm such that it is able to improve arm height.
During use, pipe 1, and the two ends press-in elastic packing in pipe 1 are clamped by mold 2 and lower mould about 3
Plug 4, seals 1 two ends of pipe；Then pipe is radially pressed about 1 by mold 2 and lower mould 3, and simultaneously by filling
Pressure device 5 makes pipe 1 while being subject to radial pressure and intrinsic pressure collective effect, so that 1 material of pipe to pressurising in pipe 1
Flow on mold 2 in through hole corresponding with arm, form arm, complete the shaping of a pipeline.In sum, the present invention is carried
For pipeline manufacture device, arm pipeline forming quality can be made good and arm height height.
Wherein it should be noted that mold 2 and lower mould 3 are two parts up and down of mould, would commonly be used for being formed and prop up
The through hole of pipe is located on mold 2, pipeline have multiple, the chamber shape that formed after mold 2 and lower mould 3 closure with wait to make
The pipeline that makees is corresponding, the most frequently used for three arm side by side in a pipeline, then have three on corresponding mold 2
Individual it is arranged side by side and for forming the through hole of arm.
Fig. 4 to Fig. 6 is refer to, Fig. 4 is that the another kind of the manufacture device of provided by the present invention pipeline is embodied as
The structural representation of mode；Fig. 5 is another kind of specific embodiment of the manufacture device of provided by the present invention pipeline
Front view；Fig. 6 is to carry out the front sectional view of upsetting pressure to pipe using the manufacture device of provided by the present invention pipeline.
On the basis of above-mentioned specific embodiment, it is circular pipe 1 that pipe 1 is usually section, is to ensure in arm
During pipeline forming, arm can obtain feed supplement, and pipe 1 preferably adopts the pipe 1 with diameter greater than a pipeline predominant tube diameter,
For alloing pipeline smoothly to shape, the manufacture device of the pipeline that the specific embodiment of the invention is provided, by pipe 1
After being placed between mold 2 and lower mould 3, in the gap between mold 2 and lower mould 3, left drift 6 can be placed with
With right drift 7, left drift 6 is located on the left of pipe 1 and is used for pressing 1 left radial of pipe, and right drift 7 is located on the right side of pipe 1
And be used for pressing 1 right radial of pipe.
During use, pipe 1 is clamped by mold 2 and lower mould about 3, and left drift 6 and right drift 7 are placed on pipe
Behind 1 both sides of base, pressure is applied simultaneously to left drift 6 and right drift 7, and then pipe 1 is carried out by left drift 6 and right drift 7
Left and right upsetting pressure, makes the direction of 1 material of pipe flow direction and arms parallel, until the space D of 1 left and right sides wall of pipe is less than after upsetting pressure
The predominant tube diameter of a pipeline is equal to, then left drift 6 and right drift 7 is detached between mold 2 and lower mould 3, Zhi Houzai
A pipeline is formed to the pressure of pipe 1 by mold 2, lower mould 3 and pressurizing device 5.
After circular pipe 1 is through 7 or so the upsetting pressure of left drift 6 and right drift, become the pipe 1 that section is round edge rectangle, can be with
Ensure that pipe 1 can smoothly form a pipeline in the presence of mold 2, lower mould 3 and pressurizing device 5.Certainly, the present invention
The manufacture device of the pipeline for being provided, it is also possible to do not include left drift 6 and right drift 7, directly from preliminary dimension and shape
The pipe 1 of shape is processed, also within protection scope of the present invention.
In sum, the manufacture device of the pipeline that the specific embodiment of the invention is provided, shapes tubule using big pipe
And the method that intrinsic pressure and footpath pressure combines, it is ensured that there is enough materials in each arm forming process and flow to arm, from
And can improve arm height, and then feed supplement is difficult and cause arm highly low and the problems such as rupture when solving arm bulging.
On the basis of above-mentioned each specific embodiment, elastic packing plug 4 is used for the two ends for being pressed into pipe 1, so that pipe 1
Two ends seal, and in use, the shape of pipe 1 can change, and are to ensure that 1 two ends of pipe seal all the time, present invention tool
The manufacture device of the pipeline that body embodiment is provided, sealing-plug 4 are specifically as follows rubber stopper, and rubber stopper density hardness is fitted
In, pliability and elasticity preferably, can change with the change of 1 shape of pipe, it is ensured that 1 two ends of pipe seal all the time.When
So, sealing-plug 4 can also select other elastic materials, also within protection scope of the present invention.
On the basis of above-mentioned each specific embodiment, pressurizing device 5 is on sealing-plug 4, and the endoporus with pipe 1
Connection, for carrying out pressurising in pipe 1, specifically, being provided with pressurizing device on can be in two sealing-plugs 4 one
5, it is of course also possible to pressurizing device 5 is mounted on two sealing-plugs 4, within protection scope of the present invention.
On the basis of above-mentioned each specific embodiment, the manufacture dress of the pipeline that the specific embodiment of the invention is provided
Put, pressurizing device 5 is specifically as follows for the replenishing valve to 1 internal-filling liquid of pipe, that is, pass through to 1 internal-filling liquid of pipe with to pipe 1
Apply inner high voltage, topping up is simple and convenient, speed, and is difficult to leak；Certainly, pressurizing device 5 can also be charge valve, pass through
Inflate into pipe 1 to apply inner high voltage to pipe 1, also within protection scope of the present invention.
Refer to a kind of specific embodiment party of Fig. 8 and the manufacture method that Fig. 9, Fig. 8 are provided by the present invention pipeline
The flow chart of formula；Fig. 9 is the flow chart of another kind of specific embodiment of the manufacture method of provided by the present invention pipeline.
Present invention also offers a kind of method using above-mentioned manufacture device manufacture pipeline, comprises the steps：
S1：Pipe 1 is clamped by mold 2 and lower mould about 3.Wherein, mold 2 and lower mould 3 closure formed with
The consistent inner chamber of pipeline profile, and pipe about 1 both sides apart from L more than pipeline predominant tube diameter and its left and right sides
The space D of wall is not more than a pipeline predominant tube diameter.
S2：It is respectively pressed in elastic packing plug 4, and at least one sealing-plug 4 at the two ends of pipe 1 and is provided with and pipe 1
The pressurizing device 5 of endoporus connection.
Pressurizing device 5 is used for pressurising in pipe 1, specifically, can be provided with pressurising dress on a sealing-plug 4 wherein
5 are put, it is of course also possible to the pressurizing device 5 is mounted on two sealing-plugs 4.
Wherein, the order of step S1 and step S2 can be exchanged, you can so that pipe 1 is placed on mold 2 and lower mould 3
Between after, then sealing-plug 4 is installed, it is also possible to first after 1 two ends of pipe load sealing-plug 4, then by mold 2 and lower mould 3
Pipe 1 is clamped up and down, within protection scope of the present invention.
S3：The outer wall of pipe 1 is pressed by mold 2, and simultaneously by pressurizing device 5 to pressurising in pipe 1 until
Form a pipeline.
In step s3, during pressurization, lower mould 3 can be fixed, only 1 outer wall of pipe is pressed by mold 2,
Simultaneously mold 2 and lower mould 3 can be pressed, and then simultaneously 1 above-below direction of pipe be entered by mold 2 and lower mould 3
Row pressure, within protection scope of the present invention.
On the basis of above-mentioned specific embodiment, in step S1, there are certain requirement, i.e. pipe 1 to the shape of pipe 1
Both sides is straight more than the space D no more than pipeline supervisor for propping up pipeline predominant tube diameter and its left and right sides wall apart from L up and down
Footpath, is the pipe 1 to form required form, and step S1 can specifically include：
S11：Pipe 1 with diameter greater than a pipeline predominant tube diameter is clamped by mold 2 and lower mould 3.
S12：Left drift 6 and You Chong are placed respectively in gap between mold 2 and lower mould 3 and in 1 both sides of pipe
7.
Using the pipe 1 with diameter greater than a pipeline predominant tube diameter, to realize the feed supplement to arm；Due to 1 diameter of pipe
More than a pipeline predominant tube diameter, and mold 2 forms the cavity consistent with pipeline is propped up with lower mould 3 when close, then by
After pipe 1 is placed between mold 2 and lower mould 3, there is between mold 2 and lower mould 3 gap.
S13：Radial direction pressure is carried out to pipe 1 by left drift 6 and right drift 7, to the space D of 1 left and right sides wall of pipe
No more than prop up pipeline predominant tube diameter when, remove left drift 6 and right drift 7.
It is of course also possible to not make the pipe 1 of above-mentioned preliminary dimension and shape by said method, directly can be cast as
The pipe 1 of shape required size and shape, then the pipe 1 is processed, also within protection scope of the present invention.
In sum, the manufacture device of the pipeline that the specific embodiment of the invention is provided, shapes tubule using big pipe
And the method that intrinsic pressure and footpath pressure combines, it is ensured that there is enough materials in each arm forming process and flow to arm, from
And can improve arm height, and then feed supplement is difficult and cause arm highly low and the problems such as rupture when solving arm bulging.
Above the manufacture device and method of provided by the present invention pipeline are described in detail.Used herein
Specific case is set forth to the principle of the present invention and embodiment, and the explanation of above example is only intended to help and understands
The method of the present invention and its core concept.It should be pointed out that for those skilled in the art, without departing from this
On the premise of inventive principle, some improvement and modification can also be carried out to the present invention, these improvement and modification also fall into the present invention
In scope of the claims.
Claims (7)
1. the manufacture device of a kind of pipeline, it is characterised in that include for clamping the mold and lower mould of pipe, described
Mold is closed to form the inner chamber consistent with described pipeline profile with the lower mould, described the pipe to be placed on
When between mold and the lower mould, having between the mold and the lower mould can be to the pipe up and down radially
The gap of pressure, also includes being located at the pipe two ends and two elastic packing plugs for sealing, seals described at least one
It is provided with for the pressurizing device to pressurising in the pipe beyond the Great Wall.
2. manufacture device according to claim 1, it is characterised in that between the mold and the lower mould
It is placed with gap and is located at the pipe left and right sides and left drift and You Chong for radially pressing to the pipe left and right directions
Head.
3. manufacture device according to claim 2, it is characterised in that the sealing-plug is specially rubber stopper.
4. manufacture device according to claim 3, it is characterised in that in two sealing-plugs is upper to install
State pressurizing device.
5. the manufacture device according to Claims 1-4 any one, it is characterised in that the pressurizing device is specially to be used
In the replenishing valve to the pipe internal-filling liquid.
6. the manufacture method of a kind of pipeline, it is characterised in that including step：
S1：Pipe is clamped up and down by mold and lower mould, the mold and the lower mould close to be formed and described
The consistent inner chamber of pipeline profile, the distance of the upper and lower both sides of the pipe is more than described pipeline predominant tube diameter and its left and right two
The spacing of side wall is not more than described pipeline predominant tube diameter；
S2：Elastic packing plug is respectively pressed at the two ends of the pipe, and be provided with sealing-plug described at least one with described
The pressurizing device of pipe endoporus connection；
S3：The outer wall of the pipe is pressed by the mold, and simultaneously by the pressurizing device into the pipe
Pressurising is until form described pipeline.
7. manufacture method according to claim 6, it is characterised in that step S1 is specifically included：
The pipe with diameter greater than described pipeline predominant tube diameter is clamped by mold and lower mould；
Left drift and You Chong are placed respectively in gap between the mold and the lower mould and in the pipe both sides
Head；
Radial direction pressure is carried out to the pipe by the left drift and the right drift, between the wall of the pipe left and right sides
Away from when being not more than the predominant tube diameter of described pipeline, the left drift and the right drift is removed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611217911.5A CN106493213B (en) | 2016-12-26 | 2016-12-26 | The manufacture device and method of a kind of pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611217911.5A CN106493213B (en) | 2016-12-26 | 2016-12-26 | The manufacture device and method of a kind of pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106493213A true CN106493213A (en) | 2017-03-15 |
| CN106493213B CN106493213B (en) | 2018-05-18 |
Family
ID=58334001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611217911.5A Expired - Fee Related CN106493213B (en) | 2016-12-26 | 2016-12-26 | The manufacture device and method of a kind of pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106493213B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108015152A (en) * | 2017-11-20 | 2018-05-11 | 江苏界达特异新材料股份有限公司 | The internal high pressure forming equipment of pipe fitting |
| CN112692150A (en) * | 2020-12-11 | 2021-04-23 | 星火智慧(杭州)信息科技有限公司 | Divide water collector internal expanding machine |
| CN113020391A (en) * | 2021-03-04 | 2021-06-25 | 北京航空航天大学 | Ultrahigh-pressure forming method and device for high-temperature alloy fluid medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5973130A (en) * | 1982-10-19 | 1984-04-25 | Takayasu Kogyo Kk | Production of branch pipe for pipe joint |
| CN102228926A (en) * | 2011-05-05 | 2011-11-02 | 北京航空航天大学 | Liquid-charging and forming method of two-way pressurizing pipe |
| CN105436285A (en) * | 2015-12-16 | 2016-03-30 | 广东工业大学 | Stamping-bulge forming device and method for increasing height of t-branch pipe |
| CN206325988U (en) * | 2016-12-26 | 2017-07-14 | 广东工业大学 | A kind of manufacture device of pipeline |
-
2016
- 2016-12-26 CN CN201611217911.5A patent/CN106493213B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5973130A (en) * | 1982-10-19 | 1984-04-25 | Takayasu Kogyo Kk | Production of branch pipe for pipe joint |
| CN102228926A (en) * | 2011-05-05 | 2011-11-02 | 北京航空航天大学 | Liquid-charging and forming method of two-way pressurizing pipe |
| CN105436285A (en) * | 2015-12-16 | 2016-03-30 | 广东工业大学 | Stamping-bulge forming device and method for increasing height of t-branch pipe |
| CN206325988U (en) * | 2016-12-26 | 2017-07-14 | 广东工业大学 | A kind of manufacture device of pipeline |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108015152A (en) * | 2017-11-20 | 2018-05-11 | 江苏界达特异新材料股份有限公司 | The internal high pressure forming equipment of pipe fitting |
| CN112692150A (en) * | 2020-12-11 | 2021-04-23 | 星火智慧(杭州)信息科技有限公司 | Divide water collector internal expanding machine |
| CN113020391A (en) * | 2021-03-04 | 2021-06-25 | 北京航空航天大学 | Ultrahigh-pressure forming method and device for high-temperature alloy fluid medium |
| CN113020391B (en) * | 2021-03-04 | 2022-05-03 | 北京航空航天大学 | Ultrahigh-pressure forming method and device for high-temperature alloy fluid medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106493213B (en) | 2018-05-18 |
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Granted publication date: 20180518 Termination date: 20211226 |