CN105415695B - Continuity fiber reinforced pipe docking calculation - Google Patents
Continuity fiber reinforced pipe docking calculation Download PDFInfo
- Publication number
- CN105415695B CN105415695B CN201510728870.5A CN201510728870A CN105415695B CN 105415695 B CN105415695 B CN 105415695B CN 201510728870 A CN201510728870 A CN 201510728870A CN 105415695 B CN105415695 B CN 105415695B
- Authority
- CN
- China
- Prior art keywords
- tubing
- flange
- pipe
- fiber reinforced
- plate
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
- B29C57/02—Belling or enlarging, e.g. combined with forming a groove
- B29C57/08—Belling or enlarging, e.g. combined with forming a groove using pressure difference
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
Abstract
The invention discloses a kind of continuity fiber reinforced pipe docking calculation, mainly include：A, pipe end is heat-treated；B, pipe end flange is handled；C, heat-melting butt-joint.Wherein step a is by stretching into the control of the factor such as the outer circumferential walls of heating muff part and the distance of heating muff inwall to heating-up temperature, heat time, tubing, pipe end is heated to semi-molten state, it ensure that continuity fiber-reinforced tape is always positioned at the position of tubing intermediate course, so as to ensure that the overall performance of continuity fiber reinforced pipe；In step b, pass through the control to extruding force, ensure that tubing flange occurs without tubing in forming process and cracks or be molded phenomenon not in place, tubing flange is molded in the forming cavity that the annular pressing plate of flanging die with holder end face cooperatively forms, and ensure that flange Forming Quality；In step c, by heating-up temperature, heat time, the control for being connected application external force when tubing docks, ensure that the quality of tubing docking.
Description
Technical field
The present invention relates to a kind of continuity fiber reinforced pipe docking calculation, belong to the welding technology field of plastic pipe.
Background technology
Continuity fiber reinforced pipe is that a kind of inside and outside layer is fine with continuity by matrix material, intermediate layer of thermoplastic
High pressure plastic composite tube material of the composite for enhancing band is tieed up, is typically used as buried water supply pipe or Gas Pipe, it is its ring stiffness, strong
The performances such as degree are much better than common plasticses tubing.
The connected mode of existing plastic pipe mainly has electric melting pipe fittings socket, the connection of spigot-and-socket cushion rubber, electric smelting welding, method
Blue docking, heat-melting butt-joint etc..Minor caliber pipe connection is only applicable to using electric melting pipe fittings socket, and electric melting pipe fittings are with high costs；
Spigot-and-socket cushion rubber link cost is higher, and tubing junction bearing capacity is poor, situation about revealing easily occurs；Electric smelting welding is to make
The end of connected tubing is bundled together with electric smelting band, be powered welding, but strength and stiffness are relatively low at welding junction, and welds
It is difficult to operate when connecing；Flange docking need will pipe end weld upper flange plate after be docked again, process it is complicated and into
This is higher.
Comparatively speaking, heat-melting butt-joint need not connect accessory, and process is simple, cost is cheap, and the intensity at fusion splice is excellent
In tubing intensity itself.When common plasticses tubing carries out heat-melting butt-joint, generally use heats electric welding machine to heat pipe end, makes
After it is melted, two connected piece ends are bonded rapidly, maintain certain pressure, the purpose of welding is reached through cooling.By
In the special construction of continuity fiber reinforced pipe, in-between interlayer continuity fiber-reinforced tape and matrix material thermoplastic
Physical property (fusing point etc.) is different, therefore continuity fiber reinforced pipe can not be carried out by the way of common plasticses tubing heat-melting butt-joint
Docking；The docking mode of continuity fiber reinforced pipe can only use electric melting pipe fittings socket with high costs or process at present
Complicated flange docking.
The content of the invention
The purpose of the present invention is the special construction for continuity fiber reinforced pipe, provides that a kind of cost is cheap, technique
Simple continuity fiber reinforced pipe docking calculation.
The technical solution adopted for the present invention to solve the technical problems is：Continuity fiber reinforced pipe docking calculation, including
Following steps：
A, continuity fiber reinforced pipe pipe end is heat-treated：Tubing is cut, makes its end face vertical with axis；According to tubing
The difference of caliber, tubing insertion depth is marked, while heating muff is heated to 400 DEG C；The end of tubing is horizontal vertically
Insert in heating muff, the distance between the outer circumferential walls of tubing insertion portion and heating muff inwall are 5-20mm；According to pipe
After the different heating 4-10min of material caliber, now pipe end is in half molten state；
B, continuity fiber reinforced pipe pipe end flange is handled：Flange processing is carried out to tubing using flanger, it is described
Flanger is mainly made up of hydraulic transmission, flanging die, holder, support；Flanging die main body is discoid bottom plate, bottom
Plate is provided centrally with through hole, and body is provided with bottom plate side, and outer tube diameter matches with the internal diameter of tubing, tube wall and bottom plate
Junction sets enlarging chamfering, and annular protrusion, raised, body, projection and bottom plate coaxial with body are provided with bottom plate the same side
Between form annular recess, raised to have circular arc chamfering with back plate connections, convex top forms the annular edge of a knife；Holder main body is
Cylindrical structure, it is made up of two semicylindrical body connections, holder end face is provided with flange, the transition of holder end face and inwall
Section is provided with reinforcing chamfer, and when ring-type pressing plate contacts with convex top, forming cavity is formed between ring-type pressing plate and groove；
Tubing is fixed on support by holder, flanging die is fixed by the top plate of through hole and hydraulic transmission
Connection, tubing is coaxial with flanging die, starts hydraulic transmission, applies 1200- according to the top plate not in the same direction of tubing caliber
2400N power, top plate stress extruding flanging die, flanging die mobile extruded tube material preceding vertically, the gradual enlarging of pipe end
Turn up, and enter among the annular groove of flanging die, when ring-type pressing plate contacts with convex top, close hydraulic drive dress
Put, tubing flange is molded in forming cavity；After treating tubing flange part cooling and solidifying, tubing is removed；
C, heat-melting butt-joint：By heater plate to after 210-240 DEG C, the end face for being fitted in connected tubing flange is added
Heat, heat time 30-50s, removes heating plate, and the axis of two connected tubing is alignd, and applies 200-400N external force
Two connected tubing flared ends faces are fused together, docking is completed behind flange end face completely cooling and solidifying.
Wherein, in step a, continuity fiber reinforced pipe caliber is DN110mm, wall thickness 5.3mm, tubing insertion heating muff
Depth be 78-82mm, the distance between the outer circumferential walls of tubing insertion heating muff part and heating muff inwall are 9-
11mm, heat time of the pipe end in heating muff are 5-7min.
It is further in step b, to start hydraulic transmission, the power for applying 1500-1800N to top plate extrudes flange
Mould.
It is further, in step c, by heater plate to the end for after 220-230 DEG C, being fitted in connected tubing flange
Face is heated, and heat time 35-40s, removes heating plate, by the after-applied 250- of axis alignment of two connected tubing
300N external force fuses together two connected tubing flared ends faces, and docking is completed after cooling and solidifying.
The beneficial effects of the invention are as follows：For the special construction of continuity fiber reinforced pipe, there is provided a kind of cost is cheap, work
The simple continuity fiber reinforced pipe docking calculation of skill.Continuity fiber reinforced pipe docking calculation of the present invention mainly includes：A, manage
Material end is heat-treated；B, pipe end flange is handled；C, heat-melting butt-joint；Wherein step a by heating-up temperature, the heat time,
Tubing stretches into the control of the factor such as the outer circumferential walls of heating muff part and the distance of heating muff inwall, and pipe end is heated
To semi-molten state, melting or semi-molten state of this semi-molten state from routine are different, the melting journey specifically than routine
Spend low, ensure that continuity fiber-reinforced tape is always positioned at the position of tubing intermediate course, so as to ensure that continuity fiber increases
The overall performance of strong pipe；In step b, by the control to extruding force, ensure that tubing flange occurs without tubing in forming process
Crack or be molded phenomenon not in place, annular pressing plate of the tubing flange in flanging die Yu holder end face cooperatively form into
It is molded in die cavity, ensure that flange Forming Quality；In step c, by being docked to heating-up temperature, heat time, connected tubing
When apply external force control, ensure that tubing docking quality.The control of concrete scheme (overall technical architecture) of the present invention, realize
The low cost docking of continuity fiber reinforced pipe, ensure quality, can be born after the docking of 5.3mm thickness continuitys fiber reinforced pipes
More than 5MPa pressure, it is adapted to popularization and application in the art.
Brief description of the drawings
Fig. 1 is the structural representation of flanger of the present invention；
Fig. 2 is the axial cross-sectional views of flanging die of the present invention；
Fig. 3 is the axial cross-sectional views of holder of the present invention；
Fig. 4 is that continuity fiber reinforced pipe of the present invention completes the diagrammatic cross-section after flange；
In figure mark for：Hydraulic transmission 1, flanging die 2, holder 3, support 4, top plate 11, bottom plate 21, through hole
22nd, body 23, enlarging chamfering 24, projection 25, circular arc chamfering 26, ring-type pressing plate 31, reinforcing chamfer 32.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention is further described.
Continuity fiber reinforced pipe docking calculation, comprises the following steps：
A, continuity fiber reinforced pipe pipe end is heat-treated：Tubing is cut, makes its end face vertical with axis；According to tubing
The difference of caliber, tubing insertion depth is marked, while heating muff is heated to 400 DEG C；The end of tubing is horizontal vertically
Insert in heating muff, the distance between the outer circumferential walls of tubing insertion portion and heating muff inwall are 5-20mm；According to pipe
After the different heating 4-10min of material caliber, now pipe end is in half molten state；
B, as shown in Figure 1, Figure 2, Figure 3 shows, continuity fiber reinforced pipe pipe end flange is handled：Using flanger to tubing
Flange processing is carried out, the flanger is mainly made up of hydraulic transmission 1, flanging die 2, holder 3, support 4；Flange mold
It is discoid bottom plate 21 to have 2 main bodys, and bottom plate 21 is provided centrally with through hole 22, body 23, body 23 are provided with the side of bottom plate 21
External diameter matches with the internal diameter of tubing, and the outer wall of body 23 sets enlarging chamfering 24 with the junction of bottom plate 21, and bottom plate 21 is set on the same side
Annular protrusion 25 is equipped with, projection 25 is coaxial with body 23, and annular recess is formed between body 23, projection 25 and bottom plate 21, raised
25 have circular arc chamfering 26 with the junction of bottom plate 21, and the annular edge of a knife is formed on the top of projection 25；The main body of holder 3 is cylindrical structure,
It is made up of the connection of two semicylindrical bodies, holder end face is provided with flange 31, and the changeover portion of the end face of holder 3 and inwall is provided with
Reinforcing chamfer 32, when ring-type pressing plate 31 is with raised 25 top contact, forming cavity is formed between ring-type pressing plate 31 and groove；
Tubing is fixed on support by holder 3, the top that flanging die 2 passes through through hole 22 and hydraulic transmission 1
Plate 11 is fixedly connected, and tubing and flanging die 2 are coaxial, starts hydraulic transmission 1, according to the top plate 11 not in the same direction of tubing caliber
Apply 1200-2400N power, the stress of top plate 11 extruding flanging die 2, the mobile extruded tube material preceding vertically of flanging die 2, tubing
The gradual enlarging in end is turned up, and is entered among the annular groove of flanging die 2, when ring-type pressing plate 31 and raised 25 top contacts
When, hydraulic transmission 1 is closed, tubing flange is molded in forming cavity；After treating tubing flange part cooling and solidifying, pipe is removed
Material；
C, heat-melting butt-joint：By heater plate to after 210-240 DEG C, the end face for being fitted in connected tubing flange is added
Heat, heat time 30-50s, removes heating plate, and the axis of two connected tubing is alignd, and applies 200-400N external force
Two connected tubing flared ends faces are fused together, docking is completed behind flange end face completely cooling and solidifying.
Due to the special construction of continuity fiber reinforced pipe, in-between interlayer continuity fiber-reinforced tape and matrix material heat
The physical property (fusing point etc.) of thermoplastic plastic is different, if pipe end is heated into complete molten condition, after flange shaping, and nothing
Method ensures continuity fiber-reinforced tape still in the position in tube wall intermediate layer, and this is extremely unstable by the performance for causing pipe end,
So as to have influence on the performances such as intensity at the overall performance of tubing and tubing welding junction, rigidity, therefore continuity fiber increases
Strong pipe can not use the docking mode for melting pipe end completely.
In step a, due to the tubing of different tube diameters, its wall thickness also differs, to avoid fractureing in turn-up process, therefore
The tubing flanging length of different tube diameters is also different, therefore the pipe end length to be heated to needs is marked；Pass through step a
In heating-up temperature, heat time, tubing are stretched into the outer circumferential walls of heating muff part and the distance of heating muff inwall etc. because
Element control, make pipe end in half molten state, now continuity fiber-reinforced tape still in tube wall intermediate course position,
It is ready for the flange processing in step b.
In step b, the external diameter of body 23 matches with the internal diameter of tubing, is inserted in extrusion process middle tube body 23 in tubing；Clamping
The changeover portion of the end face of part 3 and inwall is provided with reinforcing chamfer 32, and playing prevents what flange root from fractureing in turn-up process
Effect, while form conical surface strengthening tendons in flange and outer pipe wall changeover portion；Ring-type pressing plate 31 on the end face of holder 3 with it is convex
When playing 25 top contact, ring-type pressing plate 31 plays a part of male model, and groove plays a part of master mold, and ring-type pressing plate 31 is matched somebody with somebody with groove
The forming cavity for forming flange is closed, the top of projection 25 forms the annular edge of a knife, is easy to cut away clout；Step b passes through to hydraulic drive
The control of the extruding force of device 1, ensure that tubing flange occurs without tubing in forming process and cracks or be molded phenomenon not in place,
Flange Forming Quality is ensure that, is ready for step c heat-melting butt-joint；
In step c, by heating-up temperature, heat time, the control for being connected application external force when tubing docks, ensure that
The quality of tubing docking.
By step a, b, c implementation, for the special construction of continuity fiber reinforced pipe, there is provided a kind of cost is low
Honest and clean, the simple continuity fiber reinforced pipe docking calculation of technique.
Preferably, in step a, continuity fiber reinforced pipe caliber is DN110mm, wall thickness 5.3mm, tubing insertion heating mantle
The depth of cylinder is 78-82mm, and the distance between the outer circumferential walls of tubing insertion heating muff part and heating muff inwall are 9-
11mm, heat time of the pipe end in heating muff are 5-7min.
It may further be preferable that in step b, start hydraulic transmission, the power for applying 1500-1800N to top plate 11 is squeezed
Press flanging die 2.
Preferably, in step c, by heater plate to after 220-230 DEG C, the end face for being fitted in connected tubing flange is entered
Row heating, heat time 35-40s, removes heating plate, and the axis of two connected tubing is alignd into after-applied 250-300N's
External force fuses together two connected tubing flared ends faces, and docking is completed after cooling and solidifying.
Embodiment
Choose DN110mm, wall thickness 5.3mm continuity fiber reinforced pipe, cut 10m tubing, make its end face with
Axis is vertical；Marked in the outer pipe wall apart from tube end face 80mm, while heating muff is heated to 400 DEG C, then will
The end of tubing is horizontally inserted in heating muff to mark vertically, in the outer circumferential walls and heating muff of tubing insertion portion
The distance between wall is 10mm, after heating 6min, tubing is taken out from heating muff, is fixed on tubing by holder 3
On support, start hydraulic transmission 1, apply 1600N power to top plate 11, until ring-type pressing plate 31 and raised 25 top contacts
Hydraulic transmission 1 is closed afterwards, after treating tubing flange part cooling and solidifying, removes tubing；With identical step to another
After DN110mm, wall thickness 5.3mm continuity fiber reinforced pipe carry out flange processing, by heater plate to 220 DEG C, paste simultaneously
Close in the end face of two connected tubing flange, heat time 38s, heating plate is removed, by the axis of two connected tubing
Alignment, the external force for applying 280N fuse together two connected tubing flared ends faces, treat that flange end face cools and solidifies completely
Docking is completed afterwards.
As shown in figure 4, after continuity fiber reinforced pipe completes flange, continuity fiber-reinforced tape is located at tubing each several part pipe
The intermediate course position of wall.After measured, 5MPa pressure is born at the mating interface of two continuity fiber reinforced pipes, and breach does not leak
Water.
Comparative example
Choose DN110mm, wall thickness 5.3mm continuity fiber reinforced pipe, cut two 10m tubing, make its end face with
Axis is vertical；By heater plate to after 220 DEG C, while two connected tube end faces are fitted in, heat time 38s, taken
Lower heating plate, the axis of two connected tubing is alignd, the external force for applying 280N exists two connected tube end face fusions
Together, docking is completed after the cooling and solidifying completely of docking end face.After measured, at the mating interface of two continuity fiber reinforced pipes
Bear i.e. breach leak during 2.8MPa pressure, main cause is that the area of interface fusion is small, and fiber fold waste compared with
Big fusion area.
Claims (4)
1. continuity fiber reinforced pipe docking calculation, it is characterised in that comprise the following steps：
A, continuity fiber reinforced pipe pipe end is heat-treated：Tubing is cut, makes its end face vertical with axis；According to tubing caliber
Difference, mark tubing insertion depth, while heating muff be heated to 400 DEG C；The end of tubing is horizontally inserted vertically
In heating muff, the distance between the outer circumferential walls of tubing insertion portion and heating muff inwall are 5-20mm；According to tubing pipe
After the different heating 4-10min in footpath, now pipe end is in half molten state；
B, continuity fiber reinforced pipe pipe end flange is handled：Flange processing, the flange are carried out to tubing using flanger
Owner will be made up of hydraulic transmission (1), flanging die (2), holder (3), support (4)；Flanging die (2) main body is round
Plate-like bottom plate (21), bottom plate (21) are provided centrally with through hole (22), body (23), body (23) are provided with bottom plate (21) side
External diameter matches with the internal diameter of tubing, and body (23) outer wall sets enlarging chamfering (24) with bottom plate (21) junction, and bottom plate (21) is together
Be provided with annular protrusion (25) on side, raised (25) with body (23) coaxially, body (23), raised (25) and bottom plate (21) it
Between form annular recess, raised (25) have circular arc chamfering (26) with bottom plate (21) junction, and endless knife is formed at the top of raised (25)
Mouthful；Holder (3) main body is cylindrical structure, is made up of two semicylindrical body connections, holder end face is provided with ring-type pressing plate
(31), the changeover portion of holder (3) end face and inwall is provided with reinforcing chamfer (32), ring-type pressing plate (31) and raised (25) top
During contact, ring-type pressing plate (31) forms forming cavity between groove；
Tubing is fixed on support by holder (3), flanging die (2) passes through through hole (22) and hydraulic transmission (1)
Top plate (11) be fixedly connected, tubing and flanging die (2) coaxially, start hydraulic transmission (1), according to tubing caliber not
Top plate (11) in the same direction applies 1200-2400N power, and top plate (11) stress extruding flanging die (2), flanging die (2) is vertically
Preceding mobile extruded tube material, the gradual enlarging of pipe end are turned up, and are entered among the annular groove of flanging die (2), when ring-type pressure
When plate (31) is with raised (25) top contact, hydraulic transmission (1) is closed, tubing flange is molded in forming cavity；Treat tubing
After the cooling and solidifying of flange part, tubing is removed；
C, heat-melting butt-joint：By heater plate to after 210-240 DEG C, the end face for being fitted in connected tubing flange is heated,
Heat time is 30-50s, removes heating plate, and the axis of two connected tubing is alignd, and applies 200-400N external force by two
Root is connected tubing flared ends face and fused together, and docking is completed behind flange end face completely cooling and solidifying.
2. continuity fiber reinforced pipe docking calculation according to claim 1, it is characterised in that：In step a, continuity is fine
Dimension reinforced pipe caliber is DN110mm, and wall thickness 5.3mm, the depth of tubing insertion heating muff is 78-82mm, and tubing insertion is heated
The distance between the outer circumferential walls of sleeve part and heating muff inwall are 9-11mm, heating of the pipe end in heating muff
Time is 5-7min.
3. continuity fiber reinforced pipe docking calculation according to claim 2, it is characterised in that：In step b, start hydraulic pressure
Transmission device, the power for applying 1500-1800N to top plate (11) extrude flanging die (2).
4. continuity fiber reinforced pipe docking calculation according to claim 2, it is characterised in that：In step c, by heating plate
After being heated to 220-230 DEG C, the end face for being fitted in connected tubing flange is heated, heat time 35-40s, is removed and is added
Hot plate, the after-applied 250-300N of axis alignment of two connected tubing external force is melted two connected tubing flared ends faces
It is combined, docking is completed after cooling and solidifying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510728870.5A CN105415695B (en) | 2015-10-30 | 2015-10-30 | Continuity fiber reinforced pipe docking calculation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510728870.5A CN105415695B (en) | 2015-10-30 | 2015-10-30 | Continuity fiber reinforced pipe docking calculation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105415695A CN105415695A (en) | 2016-03-23 |
| CN105415695B true CN105415695B (en) | 2018-02-13 |
Family
ID=55494440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510728870.5A Active CN105415695B (en) | 2015-10-30 | 2015-10-30 | Continuity fiber reinforced pipe docking calculation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105415695B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972336B (en) * | 2016-07-06 | 2019-07-23 | 重庆永高塑业发展有限公司 | The manufacture craft of sealing pipeline |
| CN106273393B (en) * | 2016-10-09 | 2019-01-29 | 山东高原新材料科技有限公司 | The full-automatic flange system of composite glass steel pipe |
| CN106827484B (en) * | 2016-12-21 | 2018-11-30 | 重庆永高塑业发展有限公司 | Plastics nozzle pregroove marks processing technology |
| CN107031031B (en) * | 2017-06-15 | 2019-02-01 | 青岛海聚新材料科技有限公司 | A kind of reinforced thermoplastics multiple tube forming apparatus for forming pipe end and method |
| CN110239070A (en) * | 2019-07-12 | 2019-09-17 | 南通鹿波汽车零部件有限公司 | A kind of nylon tube flanging die |
| CN113523660A (en) * | 2021-07-15 | 2021-10-22 | 海洋石油工程股份有限公司 | Auxiliary butt welding method for submarine pipe |
| CN115230178B (en) * | 2022-07-11 | 2023-05-23 | 海宁亚大塑料管道系统有限公司 | Pipe machining device and machining method for prefabricated embedded integrated rubber ring |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1552565A (en) * | 2003-06-03 | 2004-12-08 | 北京化工大学 | Plastic piping turnup apparatus |
| CN1778510A (en) * | 2004-11-23 | 2006-05-31 | 上海工程技术大学 | Butt-joint special apparatus and method for aluminium alloy pipe |
| CN201559316U (en) * | 2009-10-23 | 2010-08-25 | 沂源县联创工贸有限公司 | Ultra-high molecular weight polythene pipe hydraulic flange turner |
| CN203427317U (en) * | 2013-08-28 | 2014-02-12 | 四川高德特科技有限公司 | Flange turner special for PE (polyethylene) tubes |
| CN204054638U (en) * | 2014-07-11 | 2014-12-31 | 四川高德特科技有限公司 | Plastic pipe flanger |
-
2015
- 2015-10-30 CN CN201510728870.5A patent/CN105415695B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1552565A (en) * | 2003-06-03 | 2004-12-08 | 北京化工大学 | Plastic piping turnup apparatus |
| CN1778510A (en) * | 2004-11-23 | 2006-05-31 | 上海工程技术大学 | Butt-joint special apparatus and method for aluminium alloy pipe |
| CN201559316U (en) * | 2009-10-23 | 2010-08-25 | 沂源县联创工贸有限公司 | Ultra-high molecular weight polythene pipe hydraulic flange turner |
| CN203427317U (en) * | 2013-08-28 | 2014-02-12 | 四川高德特科技有限公司 | Flange turner special for PE (polyethylene) tubes |
| CN204054638U (en) * | 2014-07-11 | 2014-12-31 | 四川高德特科技有限公司 | Plastic pipe flanger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105415695A (en) | 2016-03-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105415695B (en) | Continuity fiber reinforced pipe docking calculation | |
| CN103453240B (en) | Double-plastics finned wound corrugated pipe and method for manufacturing same | |
| CN101672403A (en) | Hot melting connecting method of plastic composite pipe and connecting device used by same | |
| JPH02304291A (en) | Electric fusing pipe coupling | |
| JP3855083B2 (en) | Method and apparatus for forming hollow molded product | |
| CN102320149B (en) | Shaping technology and shaping device for large-diameter PE (poly ethylene) reduced tee joint branch pipe | |
| CN103286968B (en) | A kind of double-wall corrugated pipe injection moulding pipe-expanding machine | |
| CN102233673A (en) | Processing method of socket pipe with plastic wound structured wall | |
| CN1011161B (en) | Sleeve joint and method of producing such sleeve joint | |
| CN104999658A (en) | Seamless welding method for ultra-high molecular weight polyethylene plates | |
| CN101327644B (en) | Compression molding butt-fusion forming method for large-sized plastic pipe joint | |
| CN205640009U (en) | Compound pipeline under pressure connection structure of multiple reinforcing | |
| CN101837644B (en) | Process for manufacturing steel strip reinforced polyethylene helical bellows | |
| CN114013005A (en) | Method for manufacturing HDPE trapezoidal reinforcing rib winding pipe | |
| US20120168415A1 (en) | Butt-welding and electrofusion joining machine | |
| CN107635743A (en) | Sense branch sleeve | |
| CN207465868U (en) | A kind of thermoplastic tube end hemmer | |
| CN206582458U (en) | The double hot melt pipe fittings of electromagnetism | |
| CN216610149U (en) | Preparation facilities of bell and spigot of plastics tubular product | |
| CN102233678A (en) | Preparation method for flared tip of plastic spirally enwound structure-wall socket pipe, and joining process thereof | |
| JP4302127B2 (en) | Hollow molded product | |
| CN109519612A (en) | Large-bore plastics pressure pipe and its manufacturing method, connection structure, connection method | |
| CN214419574U (en) | Steel skeleton plastic composite pipe sealing joint mould | |
| CN209832425U (en) | Production mould of steel skeleton electric smelting pipe fitting | |
| CN102721241A (en) | Capillary network, capillary network welding device, and method for welding capillary network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |