CN108274722A - Bellows double layer socket joint is molded flaring module tail portion pressing device online - Google Patents
Bellows double layer socket joint is molded flaring module tail portion pressing device online Download PDFInfo
- Publication number
- CN108274722A CN108274722A CN201810347477.5A CN201810347477A CN108274722A CN 108274722 A CN108274722 A CN 108274722A CN 201810347477 A CN201810347477 A CN 201810347477A CN 108274722 A CN108274722 A CN 108274722A
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- Prior art keywords
- module
- bellows
- flaring
- tail portion
- wall
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- 238000003825 pressing Methods 0.000 title claims abstract description 22
- 238000001125 extrusion Methods 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims description 21
- 239000000498 cooling water Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 18
- 239000000463 material Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 4
- 239000012943 hotmelt Substances 0.000 description 4
- 230000000977 initiatory effect Effects 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002592 echocardiography Methods 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000048 melt cooling Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
- B29C33/04—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
- B29C48/337—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location
- B29C48/338—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location using a die with concentric parts, e.g. rings, cylinders
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/18—Pleated or corrugated hoses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Abstract
A kind of bellows double layer socket joint of present invention offer is molded flaring module tail portion pressing device online, it is sequentially connected from front to back by the special module of the bellows general module of circular flow, flaring module and carrying spigots, double-wall corrugated pipe extruder head component is connected with water jacket, to the adjacent position of two die orifices, the tail portion for being flared module is equipped at least one special small echo for the outer wall melt extrusion mould-outlet of double-wall corrugated pipe extruder head and the Distance Shortened of inner wall melt extrusion mould-outlet.The present invention optimizes the prior art, the tubing produced saves raw material, reference waveform head Forming Quality can be effectively improved, whole tube forming effect is good and inside and outside surface quality is good, and realizes the band flaring double-wall corrugated pipe that same size molding machine produces maximum effective length with minimum module.
Description
Technical field
The invention belongs to bellows manufacturing field, more particularly to a kind of bellows double layer socket joint is molded flaring module online
Tail portion pressing device.
Background technology
In bellows manufacturing field, especially in heavy caliber high density polyethylene (HDPE) bellows production process, generally double
Wall bellows extruder head is equipped with inner wall melt extrusion mould-outlet and outer wall melt extrusion mould-outlet, but two die orifices are at a distance of distant,
The melt squeezed out by two die orifices is long there is cooling time, bilayer welding is bad, unstable product quality, low production efficiency,
And double-wall corrugated pipe extruder head is complicated, the shortcomings of manufacturing and is difficult in maintenance.
For such structure, some producers propose improvement project on the market, are exactly two die orifices apart from each other in head
Between trepanning, so as to the enclosure space that during tube extrusion, will be formed between inside and outside wall melting material and head die orifice and external pressure
Contracting gas reservoir connects so that the pressure change in the space is adjusted by compressed gas reservoir.
Module is the important component in molding machine on plastic tube product line, and effect is in plastic melt by squeezing
Go out machine head be transported in molding machine cavity block after together with head to fusant carry out solidifying and setting, cavity block is according to visitor
Family requires designed shape, the modeling that material after solidification is just needed after being come out in the cavity block of molding machine in this way
Expects pipe material.
In addition, just needing to be flared module when production carries the plastic pipe of flared section, wherein flaring module production flaring
The initiating terminal of tubing is flaring die block header, and the end of production flaring module is flaring module tail portion.Traditional flaring module
Tail portion is designed as being directly connected standard module, i.e. cuts away a part of tail portion single wall after whole tube forming and be flared after tubing just
The double-wall corrugated pipe partial head of standard unit's tubing is obtained.Since flared tail is directly connected standard bellows head,
Gas in this way in flared section forming process in flared section cavity can cause it double-wall corrugated in production standard due to pressure unevenness
When gas break through standard corrugated pipe wall, and cause the defect of double-wall corrugated tube head Forming Quality difference.
Invention content
Technical problem solved by the invention is to provide that a kind of weldability simple in structure, reliable for operation, double-deck is good, flaring tail
Bellows section Forming Quality good bellows double layer socket joint in portion's is molded flaring module tail portion pressing device online.In shortening
The time difference of outer wall melt cooling, improve the welding quality of bellows inside and outside wall.
The technical solution adopted by the present invention is：A kind of bellows double layer socket joint is molded flaring module tail portion and compresses dress online
It sets, is sequentially connected from front to back by the special module of the bellows general module of circular flow, flaring module and carrying spigots, double-walled
Bellows extruder head component is connected with water jacket, and the outer wall melt extrusion mould-outlet and inner wall melt of double-wall corrugated pipe extruder head squeeze
The adjacent position of two die orifices is gradually shortened in the distance for going out die orifice, and the tail portion for being flared module is equipped at least one special small echo.
Normal standard module is reconnected after special small echo.The whole tubing obtained in this way is only needed in cutting by flared section tail
Portion and special small echo part are cut off together, so that it may to obtain the initiating terminal of standard tubing.
The wave height of special small echo is less than standard wave height, and the pitch of waves is less than the standard pitch of waves, and trough pressing point is than standard ripple tube wave
Paddy pressing point is low.After this design can allow tubing flared section to be molded, forming gas presses hot melt material by special small echo
It is tightly lockked by the special small echo cavity in module when molding, it is preferred that using two special small forms at double locking guarantee,
It can guarantee and break through hot melt material even if gas-pressurized, defect is caused in the forming process of special small echo, but since gas is let out
Except certain pressure, then when being molded via reference waveform, it is ensured that good waveform quality.And flared tail and two special small
Wave part is the part that can be removed, so even if special small echo poor quality, will not influence the quality of normal tubing.
The upper outer die lip of double-wall corrugated pipe extruder head component links together with lower outer die lip and forms outer die lip, outer die lip
Gap after being assembled with intermediate die lip is outer wall melt extrusion mould-outlet, and the gap after intermediate die lip and the assembly of interior die lip is molten for inner wall
Expect extrusion mould-outlet.
Inclined tube road, inner wall melt extrusion mould-outlet and outer wall melt extrusion mould-outlet are equipped in intermediate die lip close to the inclined tube road
Both sides up and down.
Water jacket is equipped with cooling stick core, is equipped with vertical pipeline between water jacket and interior die lip, cooling stick core and inner wall melt it
Between through vertical pipeline be sent into compressed air, under the action of air pressure inside, inner wall melt is deviated to outer wall melt direction, and interior
Air between outer wall melt is gradually discharged through vertical pipeline, and inside and outside wall melt is bonded and is fused to together.
The special module of bellows general module, flaring module and carrying spigots, which is equipped with, to be vacuumized hole or multigroup vacuumizes hole
With cooling-water duct or multigroup cooling-water duct, the suction-operated in inside and outside wall melt vacuum duct in internal pressure and forming module
Under, it fits to together on the contour curve of forming module bell and spigot, the cycle that heat is formed in module in cooling duct is cold
But water is taken away and cooling and shaping becomes double layer socket joint area.
The invention has the advantages that optimizing the prior art, saved using the tubing that structure of the invention is produced former
Material can effectively improve reference waveform head Forming Quality, and whole tube forming effect is good and inside and outside surface quality is good, and real
The band flaring double-wall corrugated pipe that same size molding machine produces maximum effective length with minimum module is showed.
In addition, mechanical property is good, online to manufacture double layer socket joint stable quality, production efficiency is high, and double-wall corrugated pipe
Extruder head is simple in structure, produces and processes and easy to maintenance and reliable for operation.
Description of the drawings
Attached drawing 1 is that bellows double layer socket joint is molded flaring module tail portion pressing device schematic diagram online.
Attached drawing 2 is enlarged drawing at Figure 1A.
Attached drawing 3 is that bellows double layer socket joint is molded flaring module tail portion pressing device fundamental diagram online.
Attached drawing 4 is enlarged drawing at Fig. 3 B.
Reference numeral：1- bellows general module 2- cooling duct 3- flarings module 4- vacuumizes the special of hole 5- carrying spigots
Module 6- outer wall melt extrusion mould-outlet 7- inclined tubes road 8- inner wall melt extrusion mould-outlet 9- vertical pipeline 10- inner cooling channels；11- is cold
But outer die lip 17- double-wall corrugated pipes squeeze under outer die lip 16- on the special small echo 15- of stick core 12- water jackets 13- flaring module tail portion 14-
Go out die lip 20- tubing 21- flaring die block header 22- expansion mouths tail portion wave 23- standard waves in head 18- centre die lip 19-
Specific implementation mode
The present invention is further explained below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2, the present invention is that a kind of bellows double layer socket joint is molded flaring module tail portion pressing device online, by
The special module 5 of the bellows general module 1 of circular flow, flaring module 3 and carrying spigots is sequentially connected from front to back, double-walled wave
17 component of line pipe extruder head and water jacket 12 connect, the outer wall melt extrusion mould-outlet 6 and inner wall of double-wall corrugated pipe extruder head 17
The distance of melt extrusion mould-outlet 8 is gradually shortened the adjacent position of two die orifices, and the tail portion of flaring module 3 sets that there are two special small
Wave 14.Normal standard wave 23 is reconnected after special small echo 14.The whole tubing obtained in this way cutting when only need by
Flaring segment trailer and two 14 parts of special small echo are cut off together, so that it may to obtain the initiating terminal of standard tubing.Shorten flaring
The inefficient length of 3 flared section of module saves material, and due to the presence of special small echo 14, standard bellows head is easy
The hidden danger for Forming Quality difference occur is eliminated here, to ensure that the Forming Quality of double-wall corrugated pipe.It avoided
The not good enough standard bellows head of Forming Quality mostly is cut off, production time and raw materials for production are saved.It in the production line, will even
The double-wall corrugated pipe of continuous production is cut in double layer socket joint and 14 region of special small echo, at this time every double-wall corrugated pipe all there are one
Double layer socket joint area, in this way in engineering construction, double-wall corrugated pipe can easily complete docking connection.
Flaring module 3 shortens the inefficient length for being flared end in design, and special small echo 14 is arranged to reserve
Position, such as Fig. 3 and Fig. 4.The design of two special small echos 14 in this position, occupancy be flared section inefficient length, it is special
The wave height of small echo 14 is less than standard wave height, and the pitch of waves is less than the standard pitch of waves, and trough pressing point is lower than the trough of standard wave 23 pressing point.
Preferably, the wave height of special small echo 14 is 0.3~0.8 times of standard wave, and the pitch of waves is 0.3~0.8 times of standard wave, trough pressing
Point is lower 0.5mm~2mm than the trough of standard wave 23 pressing point.After this design can allow tubing flared section to be molded, forming gas squeezes
It presses against hot melt material tightly to be lockked by 14 cavity of special small echo in module when being molded by special small echo 14, and two spies
Different small echo 14 forms double locking guarantee, can guarantee and breaks through hot melt material even if gas-pressurized, in the molding of special small echo 14
When causing defect in journey, but let out due to gas and remove certain pressure, then being molded via standard wave 23, it is ensured that good waveform
Quality.And it is the part that can be removed to be flared module tail portion 13 and 14 part of special small echo, so even if 14 position of special small echo
Pipe workpiece quality it is bad, the quality of normal tubing 20 will not be influenced.
The upper outer die lip 15 of 17 component of double-wall corrugated pipe extruder head links together with lower outer die lip 16 and forms outer die lip,
Gap after outer die lip and intermediate die lip 18 assemble is outer wall melt extrusion mould-outlet 6, after intermediate die lip 18 and interior die lip 19 assemble
Gap be inner wall melt extrusion mould-outlet 8.
Inclined tube road 7, inner wall melt extrusion mould-outlet 8 and outer wall melt extrusion mould-outlet 6 are equipped in intermediate die lip 18 close to inclined tube
The both sides up and down on road 7.
Water jacket 12 is equipped with cooling stick core 11, is equipped with vertical pipeline 9 between water jacket 12 and interior die lip 19, cooling stick core 11 with
It is sent into compressed air through vertical pipeline 9 between inner wall melt, under the action of air pressure inside, inner wall melt is to outer wall melt direction
Offset, and the air between inside and outside wall melt is gradually discharged through vertical pipeline 9, and inside and outside wall melt is bonded and is fused to together.
The special module 5 of bellows general module 1, flaring module 3 and carrying spigots is equipped with multigroup hole 4 and multigroup of vacuumizing
Cooling-water duct 2.Inside and outside wall melt under the suction-operated in vacuum duct 4, fits to molding together in internal pressure and forming module
On the contour curve of module bell and spigot, the recirculated cooling water that heat is formed in module in cooling duct 2 is taken away and cooling is fixed
Type becomes double layer socket joint area.
When the device is operated, the outer wall melt extrusion mould-outlet 6 on double-wall corrugated pipe extruder head 17 and inner wall melt squeeze out
8 extrusion mould-outlet of die orifice passes through two die orifices at a distance of closer (referring to enlarged drawing A, two die orifices distance is only the width of a small echo)
The melt of extrusion, cooling time is short, and the ectonexine melt temperature difference is small, so the double-deck melt welding is good, product quality is ensured,
And the double-wall corrugated pipe extruder head 17 is simple in structure, and it is easy to process.17 front of double-wall corrugated pipe extruder head is installed by dampening
Set 12, for playing the role of cooling to pipe material inner wall after molding.
When manufacturing double layer socket joint part, compressed air enters cooling stick core 11 and inner wall melt by vertical pipeline 9
Between inner wall melt in extrusion mould-outlet 8, under internal gas pressure, inner wall melt is to outside in outer wall melt extrusion mould-outlet 6
Wall melt deviates, and the air between inside and outside wall melt is gradually discharged through vertical pipeline 9, and inside and outside wall melt is bonded and welding is one
It rises, in internal pressure under the suction-operated for vacuumizing hole 4 in flaring module 3, fits to the contour curve of forming module bell and spigot
On, heat is taken away and gradual cooling and shaping by the recirculated cooling water in the cooling duct 2 in general module 1 and flaring module 3
And become double layer socket joint area.
Produce equivalent diameter specification tubing, general module design aligning method be it is several to conventional ripple module successively
Followed by a pair of of flaring module of arrangement after arrangement, the flaring initiating terminal of the flaring module are covered with entire module to terminating to correct.
During tube forming, all modules carry out periodic motion according to desired trajectory line, to mold bellows segment and flared section
Whole section of tubing being connected.Then by the cast-cutting saw cutting on line on pipe production line fall to be flared segment trailer and close to its it is latter
Several sections of bellowss of measured length, to obtain the band flared section plastic film capicitor of whole equal length.
The present invention is connected to the special small echo of flaring module tail portion in optimization design module, in flaring module tail portion 13
14, it is online to manufacture the subsequent two special small echos 14 of bell and spigot and common bellows portion timesharing, when bellows general module 1 or
The special module 5 of carrying spigots runs to the position of extruder melt extrusion mould-outlet, and compressed air 7 enters inside and outside wall melt by the road
In cavity, under the influence of air pressure, inner wall melt fits to together with cooling stick core 11, and outer wall melt fits to forming module wave
On the section profile curve of line pipe 1, the heat of inside and outside wall is respectively by the recirculated water band in inner cooling channel 10 and cooling duct 2
It walks, is solidified togather after inside and outside wall cooling.
Such as attached drawing 3, it is via molding machine upper module molding plastics online to need the corrugated pipe 20 of molding band flaring
Band flaring double-wall corrugated pipe, several bellows general modules 1 and the special module 5 of a flaring module 3 and carrying spigots are pressed
It is mounted on molding machine mould bases according to certain sequence, all modules are moved with fixed movement locus on molding machine successively, with it
In one piece of module be reference, after the module occurs from some position, when next time occurs in the position again, all modules are completion
One cycle of operation, molding tubing is a fixed unit length tubing at this time, so in cycles, you can completes pipe
The uninterrupted online production of material.When tubing is via between flaring module tail portion and next standard module, since there are two spies
The presence of different small echo 14, has been limited in what special small echo 14 occurred by the second-rate bellows segment being likely to occur in forming process
Position, and bellow flare segment trailer 13 and special small echo 14 are to need removed part at that time in the design, to ensure
The Forming Quality of whole bellows.
Claims (6)
1. a kind of bellows double layer socket joint is molded flaring module tail portion pressing device online, common by the bellows of circular flow
The special module (5) of module (1), flaring module (3) and carrying spigots is sequentially connected from front to back, double-wall corrugated pipe extruder head
(17) it is squeezed out with water jacket (12) connection, the outer wall melt extrusion mould-outlet (6) and inner wall melt of double-wall corrugated pipe extruder head (17)
The adjacent position of two die orifices is gradually shortened in the distance of die orifice (8), it is characterised in that：The tail portion of the flaring module (3) is set
There is at least one special small echo (14).
2. bellows double layer socket joint according to claim 1 is molded flaring module tail portion pressing device, feature online
It is：The wave height of the special small echo (14) is less than standard wave height, and the pitch of waves is less than the standard pitch of waves, and trough pressing point is than standard ripple
Tube wave paddy pressing point is low.
3. bellows double layer socket joint according to claim 1 is molded flaring module tail portion pressing device, feature online
It is：The upper outer die lip (15) of the double-wall corrugated pipe extruder head (17) links together with lower outer die lip (16) and forms external mold
Gap after lip, outer die lip and intermediate die lip (18) assemble is outer wall melt extrusion mould-outlet (6), the intermediate die lip (18) and interior
Gap after die lip (19) assembly is inner wall melt extrusion mould-outlet (8).
4. bellows double layer socket joint according to claim 1 is molded flaring module tail portion pressing device, feature online
It is：The water jacket (12) is equipped with cooling stick core (11), and vertical pipeline is equipped between the water jacket (12) and interior die lip (19)
(9)。
5. bellows double layer socket joint according to claim 1 is molded flaring module tail portion pressing device, feature online
It is：The special module (5) of the bellows general module (1), flaring module (3) and carrying spigots vacuumizes hole equipped with multigroup
(4) and multigroup cooling-water duct (2).
6. bellows double layer socket joint according to claim 3 is molded flaring module tail portion pressing device, feature online
It is：Inclined tube road (7), the inner wall melt extrusion mould-outlet (8) and outer wall melt extrusion die are equipped in the intermediate die lip (18)
Mouthful (6) are close to the both sides up and down of the inclined tube road (7).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810249939 | 2018-03-26 | ||
| CN201810249939X | 2018-03-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108274722A true CN108274722A (en) | 2018-07-13 |
| CN108274722B CN108274722B (en) | 2023-11-21 |
Family
ID=62811662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810347477.5A Active CN108274722B (en) | 2018-03-26 | 2018-04-18 | Tail pressing device of on-line forming flaring module of corrugated pipe double-layer faucet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108274722B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109849315A (en) * | 2018-11-30 | 2019-06-07 | 贵阳兴塑科技股份有限公司 | A kind of corrugated pipe forming machine and the bellows production technology based on corrugated pipe forming machine |
| CN111037869A (en) * | 2019-06-04 | 2020-04-21 | 安徽富通塑业科技有限公司 | HDPE large-caliber double-wall corrugated pipe online flaring method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109849315A (en) * | 2018-11-30 | 2019-06-07 | 贵阳兴塑科技股份有限公司 | A kind of corrugated pipe forming machine and the bellows production technology based on corrugated pipe forming machine |
| CN111037869A (en) * | 2019-06-04 | 2020-04-21 | 安徽富通塑业科技有限公司 | HDPE large-caliber double-wall corrugated pipe online flaring method |
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