CN2230221Y - Formationd device for single-wall spiral plastic tube - Google Patents
Formationd device for single-wall spiral plastic tube Download PDFInfo
- Publication number
- CN2230221Y CN2230221Y CN 95212317 CN95212317U CN2230221Y CN 2230221 Y CN2230221 Y CN 2230221Y CN 95212317 CN95212317 CN 95212317 CN 95212317 U CN95212317 U CN 95212317U CN 2230221 Y CN2230221 Y CN 2230221Y
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- CN
- China
- Prior art keywords
- die body
- wall
- rotary barrel
- moulding die
- plastic tube
- 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.)
- Expired - Lifetime
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a single-wall spiral plastic pipe forming device. A forming system of the utility model is composed of a forming die body, a rotary barrel body, a drive wheel and a housing, wherein the forming die body and the rotary barrel body are fixedly connected with the drive wheel into one body, and the drive wheel is used for driving the forming die body and the rotary barrel body to rotate. The inner wall of the forming die body is provided with a spiral groove, compressed air is delivered to the center of the forming die body, and the outer wall is evacuated; thermoplastic plastic circular pipe blanks which are extruded out from an extruding machine are adsorbed on the inner wall of the forming die body to continue to carry out forming, and finished pipes can be obtained after the circular pipe blanks are cooled, shaped and pulled. The utility model is particularly suitable for the forming processing of a single-wall spiral plastic pipe with phi 30 to phi 200 mm.
Description
The utility model relates to a kind of device of plastic processing, particularly is applicable to the extrusion molding processing of single wall helix tube.
Plastic spiral coil or bellows are compared with the straight pipe of plastics, have the intensity height, economize the advantage of raw material, and its processing method and process equipment are than straight pipe complexity.Bellows has the processing of the crawler type of employing subdivision mould manufacturing method, extrude molten plastic with extruder, in the chain type revolution mould of die head, form annular corrugated pipe at subdivision mould traction formation system, again through the traction cooling forming, this former is huge, heavy, floor space is big, transmission system is also very complicated, and the manufacturing of die head and installation accuracy all require height, and price is expensive.Plastic spiral pipe has the method processing of the winding adopted, be wrapped on the inner die by extruder extruding sheet plastic strip, bonding through heating and melting, pressing forms helix tube, owing to be subjected to the restriction of inner tube of a tyre size, it is suitable for processing bigbore helix tube, Wrapping formed hauling speed is not high, productivity ratio is low, again because of being bonding forming, often can not bear higher pressure because of bonding quality is high.
The purpose of this utility model provides the single wall helix tube equipment of the high extrusion molding processing of a kind of compact conformation, productivity ratio.
The utility model single wall plastic spiral pipe shaped device is made up of extrusion system, formation system, cooling system and trailer system.Technical essential of the present utility model is: formation system is made of moulding die body, rotary barrel, drive and shell, and moulding die body and rotary barrel and drive are connected to one, and drive drives the moulding die body and rotary barrel rotates; The inwall of moulding die body has helicla flute; The center of the die head of extrusion system is provided with the compressed air air intake duct; The wall of the bosh of cooling system is provided with sealing ring, and the port of export outer wall of moulding die body contacts with the sealing of the internal diameter of inlet seal circle, and the outer wall of the helix tube of moulding contacts with the internal diameter sealing of exit seal circle.Offer bar shaped pore or circular pore on the wall of moulding die body.Offer vacuum pumping hole on the rotary barrel, shell is provided with vacuum exhaust pipe.The two ends of moulding die body and rotary barrel are provided with the static seal circle.Be provided with radial bearing between rotary barrel and the shell.Spiral fluted cross sectional shape on the moulding die body is a rectangle, trapezoidal, semicircle or parabola shaped.Drive is sprocket wheel or gear.
Single wall plastic spiral pipe shaped device provided by the utility model has compact conformation, processing and manufacturing is easy, easy to operate, cost is low advantage, single wall plastic spiral pipe goods do not have adhesive joins, the intensity height, again because of being continuous extrusion, so forming, pipe sizing is stable, and the productivity ratio height is particularly suitable for the processing and manufacturing of the single wall plastic spiral pipe of medium caliber.
Accompanying drawing 1 is the structural representation of the utility model single wall plastic spiral pipe.
The utility model single wall plastic spiral pipe shaped device as shown in Figure 1, its formation system is made of moulding die body 1, rotary barrel 2, drive 3 and shell 4, shell is fixed on the support, moulding die body 1 and rotary barrel 2 are connected to one with drive 3, and drive 3 drives moulding die body 1 and rotates with rotary barrel 2.The inwall of moulding die body 1 has the helicla flute 14 identical with helix tube appearance dimensions.Center at the die head 5 of extrusion system is provided with compressed air air intake duct 6.The wall of the bosh 7 of cooling system is provided with sealing ring 8, and the port of export outer wall of moulding die body 1 contacts with the internal diameter sealing of inlet seal circle 8A, and the outer wall of the helix tube of extrusion molding contacts with the internal diameter sealing of exit seal circle 8B.On the wall of moulding die body 1, offer as shown in the figure a plurality of bar shaped pores 9 or circular pore.Offer a plurality of vacuum pumping holes 10 on the rotary barrel 2, shell 4 is provided with a vacuum exhaust pipe 11.Moulding die body 1 is provided with static seal circle 12 with the two ends of rotary barrel 2, is provided with radial bearing 13 between rotary barrel 2 and the shell 4.The cross sectional shape of the helicla flute 14 on the moulding die body 1 is a rectangle, trapezoidal, semicircle or parabola shaped.Drive 3 can be sprocket wheel or gear as shown in Figure 1.
Make the single wall helix tube with the utility model plastic tube shaped device, raw material adopts thermoplastic, extrude straight pipe blank through the annulus runner 15 of single screw rod or double screw extruder die head 5, again in traction enters moulding die body 1, under compressed air of being sent into by the air intake duct 6 at die head 5 centers and the effect that vacuumized by vacuum exhaust pipe 11, the plastic round tube blank of molten is expanded and is adsorbed on the helicla flute 14 of inwall of moulding die body 1.Moulding die body 1 is rotated under the drive of transmission mechanism by drive 3 with rotary barrel 2, and plastic spiral coil is constantly forwards released, and through bosh 7 cooling and shapings, is pulled out by trailer system, obtains the single wall plastic spiral pipe material of moulding.Two ends at moulding die body 1 and rotary barrel 2 are provided with the static seal circle, under the effect that vacuumizes negative pressure, water in the bosh 7 annular space between the inwall of helix tube and moulding die body 1 enters the ring casing 16 of rotary barrel 2 through pore 9, discharges from exhaust tube 11 through aspirating hole 10 again.Pore 9 is respectively a plurality of holes that are circumference uniform distribution with aspirating hole 10, thus can make the plastic tube blank stressed even in moulding die body 1, dimensionally stable.Between rotary barrel 2 and shell 4, be provided with radial bearing 13, moulding die body 1 is rotated under the drive of drive 3 flexibly.Owing to the sealing ring sealing, the water in the bosh 7 is not leaked between bosh 7 and moulding die body 1 and the plastic spiral pipe, to guarantee the requirement of plastic spiral pipe cooling and shaping.The utility model can be by changing difformity, dimensions spiral fluted typing die body, thereby the helicla flute that obtains different specification size is rectangle, trapezoidal, semicircle or parabola shaped plastic spiral pipe, uses very convenient.The processing internal diameter is that φ 80mm wall thickness is when being the high density polyethylene (HDPE) single wall plastic tube of 3mm, its hauling speed can reach 10 meters/minute, ring stiffness is 7.68MPa, and is 2-3 meters/minutes with the single wall helix tube hauling speed that filament winding process is processed same material specification, and ring stiffness is 2MPa.The utility model is specially adapted to the processing that bore is the single wall plastic spiral pipe of φ 30-φ 200mm.
Claims (7)
1, a kind of single wall plastic spiral pipe shaped device is made up of extrusion system, formation system, cooling system and trailer system, it is characterized in that:
(1) formation system is made of moulding die body, rotary barrel, drive and shell, and moulding die body and rotary barrel and drive are connected to one, and drive drives the moulding die body and rotary barrel rotates;
(2) inwall of moulding die body has helicla flute;
(3) center of the die head of extrusion system is provided with the compressed air air intake duct;
(4) wall of the bosh of cooling system is provided with sealing ring, and the port of export outer wall of moulding die body contacts with the sealing of the internal diameter of inlet seal circle, and the outer wall of the helix tube of moulding contacts with the internal diameter sealing of exit seal circle.
2, plastic tube shaped device according to claim 1 is characterized in that: offer bar shaped pore or circular pore on the wall of moulding die body.
3, plastic tube shaped device according to claim 1, it is characterized in that: offer vacuum pumping hole on the rotary barrel, shell is provided with vacuum exhaust pipe.
4, plastic tube shaped device according to claim 1, it is characterized in that: the two ends of moulding die body and rotary barrel are provided with the static seal circle.
5, plastic tube shaped device according to claim 1 is characterized in that: be provided with radial bearing between rotary barrel and the shell.
6, plastic tube shaped device according to claim 1 is characterized in that: the spiral fluted cross sectional shape on the moulding die body is a rectangle, trapezoidal, semicircle or parabola shaped.
7, plastic tube shaped device according to claim 1 is characterized in that: drive is sprocket wheel or gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95212317 CN2230221Y (en) | 1995-06-02 | 1995-06-02 | Formationd device for single-wall spiral plastic tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95212317 CN2230221Y (en) | 1995-06-02 | 1995-06-02 | Formationd device for single-wall spiral plastic tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2230221Y true CN2230221Y (en) | 1996-07-03 |
Family
ID=33862547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95212317 Expired - Lifetime CN2230221Y (en) | 1995-06-02 | 1995-06-02 | Formationd device for single-wall spiral plastic tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2230221Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100339209C (en) * | 2004-06-21 | 2007-09-26 | 金学健 | Apparatus for shaping double wall pipes with screw connections |
| CN100408305C (en) * | 2005-03-02 | 2008-08-06 | 广东联塑科技实业有限公司 | Double-walled spiral pipe production apparatus and production method thereof |
| CN102744888A (en) * | 2012-06-27 | 2012-10-24 | 苏州市星河塑料机械有限公司 | Method for producing helical tube having plum blossom-shaped cross section |
| CN102744864A (en) * | 2012-06-27 | 2012-10-24 | 苏州市星河塑料机械有限公司 | Shaping mold of helical structure |
| CN103624969A (en) * | 2013-10-24 | 2014-03-12 | 李兵 | Vacuum forming mold for plastic corrugated pipe |
| CN104494085A (en) * | 2014-12-01 | 2015-04-08 | 柳州市桥厦工程管材有限公司 | Production device for cable protecting casings with external spiral lines |
| CN106273334A (en) * | 2016-08-31 | 2017-01-04 | 太原理工大学 | A kind of crowded pipe mold for reinforcing glass fiber tubing intensity |
| CN107859747A (en) * | 2017-12-21 | 2018-03-30 | 广东星联科技有限公司 | Using the extruder of movable sealing structure |
| CN111154973A (en) * | 2020-01-20 | 2020-05-15 | 武汉理工大学 | Integrated wheel belt and ribbed wall surface spraying rotary drum cooling machine comprising same |
-
1995
- 1995-06-02 CN CN 95212317 patent/CN2230221Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100339209C (en) * | 2004-06-21 | 2007-09-26 | 金学健 | Apparatus for shaping double wall pipes with screw connections |
| CN100408305C (en) * | 2005-03-02 | 2008-08-06 | 广东联塑科技实业有限公司 | Double-walled spiral pipe production apparatus and production method thereof |
| CN102744888A (en) * | 2012-06-27 | 2012-10-24 | 苏州市星河塑料机械有限公司 | Method for producing helical tube having plum blossom-shaped cross section |
| CN102744864A (en) * | 2012-06-27 | 2012-10-24 | 苏州市星河塑料机械有限公司 | Shaping mold of helical structure |
| CN103624969A (en) * | 2013-10-24 | 2014-03-12 | 李兵 | Vacuum forming mold for plastic corrugated pipe |
| CN104494085A (en) * | 2014-12-01 | 2015-04-08 | 柳州市桥厦工程管材有限公司 | Production device for cable protecting casings with external spiral lines |
| CN106273334A (en) * | 2016-08-31 | 2017-01-04 | 太原理工大学 | A kind of crowded pipe mold for reinforcing glass fiber tubing intensity |
| CN107859747A (en) * | 2017-12-21 | 2018-03-30 | 广东星联科技有限公司 | Using the extruder of movable sealing structure |
| CN107859747B (en) * | 2017-12-21 | 2023-12-15 | 广东星联科技有限公司 | Extruder adopting dynamic sealing structure |
| CN111154973A (en) * | 2020-01-20 | 2020-05-15 | 武汉理工大学 | Integrated wheel belt and ribbed wall surface spraying rotary drum cooling machine comprising same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |