CN2570009Y - Double flat wall helical hollow structural wall pipe and primary extrusion production line thereof - Google Patents
Double flat wall helical hollow structural wall pipe and primary extrusion production line thereof Download PDFInfo
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- CN2570009Y CN2570009Y CN02270079U CN02270079U CN2570009Y CN 2570009 Y CN2570009 Y CN 2570009Y CN 02270079 U CN02270079 U CN 02270079U CN 02270079 U CN02270079 U CN 02270079U CN 2570009 Y CN2570009 Y CN 2570009Y
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Abstract
The utility model relates to a double flat wall helical hollow structural wall pipe and a primary extrusion production line thereof. The utility model belongs to the extrusion technology of a plastic pipe and is composed of an inner wall, an outer wall and inner holes, wherein, inner holes are helical holes, a plurality of helical holes are distributed uniformly along a circumference, and the inner holes can be circular holes, multilateral holes, etc. The utility model can be extruded by rigid polyvinyl chloride plastic, polypropylene plastic, polyethylene plastic, etc. A machine head is composed of a machine neck, a machine head body, a neck mould, a diversion support frame, a diversion cone, a core rod, etc., wherein, the back part of the core rod is provided with a plurality of hollow core shafts; the machine head body is also provided with a core rod driving mechanism. The machine head body can be composed of a transmission pair, a driving bevel gear shaft, a driven bevel gear shaft, a driving bevel gear, a driven bevel gear, a plurality of hollow core shafts, and a core rod, and can also be composed of a driving shaft, a transmission pair, a hollow core shaft and a core rod. The head body is formed into a right-angle machine head. The utility model provides a double flat wall pipe and a machine head which is used for manufacturing the double flat wall pipe, and has the advantages that the integrative mechanical property and the processing property are good, the wall pipe can be produced on a standard extruding production line, the weight is light and the cost is low. The utility model can be applied to pollution discharge and water discharge industries.
Description
Technical field
The utility model belongs to plastic tube extruding technology field, more particularly relates to two flat walls spiral hollow structure wall pipe and once extruding production line thereof.
Background technology
The existing large-bore plastics pipeline that is used for sewer or rainwater is underground pipe.Because of needs bear external pressure, tubing need be designed to improve the structured wall popes of ring stiffness.International and domestic existing structured wall popes is double-wall corrugated pipe, UPVC grilled tube, the axial hollow grid pipe of extrusion molding once; The large diameter wound pipe of secondary extrusion molding and the winding pipe of other mode are arranged.Best-selling on the market now is double-wall corrugated pipe and manufacturing equipment thereof.Economize because of press double-wall corrugated pipe materials when the same ring stiffness, but the manufacturing equipment of this product costs an arm and a leg, be unfavorable for the large tracts of land popularization.Secondary is extruded the large diameter wound pipe of winding shaping, because equipment price is low, the user is acceptant.But winding pipe weight than double-wall corrugated pipe when same ring stiffness increases more than 1/4th.
As mentioned above, existing structured wall popes respectively has its advantage, but also its weak point is arranged respectively.The structured wall popes that has has good ring stiffness and axial pliability, but mostly produces with the winding method, and technology is complicated.The axial dead zone of the structured wall popes that has (axially porous) structure has improved its axial stiffness, can on the extruding production line of standard, produce, and good manufacturability, but its axial pliability and ring stiffness descend to some extent.Radially dead zone (radially porous) structure of the structured wall popes that also has has improved its ring stiffness and axial pliability, but its shock resistance slightly descends, and will produce with the winding method, and technology is complicated.
The purpose of this utility model just is to overcome above-mentioned shortcoming and defect, and a kind of novel two flat walls spiral hollow structure wall pipe and once extruding production line thereof once extruded is provided.The existing good impact resistance of structured wall popes of producing with this production line, ring stiffness, axial comprehensive mechanical performance such as pliability have superior processing performance again, can on the extruding production line of standard, produce, and the production efficiency height, and also in light weight, production cost is low.Under the situation of same ring stiffness, two flat walls spiral hollow structure wall pipe of the present utility model is not only light than double-wall corrugated pipe, and its equipment price only is the double-wall corrugated pipe production equipment half, extensively large scale application.
Summary of the invention
For achieving the above object, the utility model is made of the inwall of smooth interior surfaces, the outer wall of outer surface smoother and the endoporus between inner and outer wall.Hole wall between the endoporus constitutes the muscle between the inner and outer wall.Endoporus is the threaded hole that runs through head and the tail.The helical angle of threaded hole can be adjusted according to the requirement of ring stiffness.
Threaded hole has a plurality of, laterally is uniformly distributed along the circumference.This structure has improved the ring stiffness of two flat walls pipe greatly, and is particularly important for bigbore blow-off pipe, row's rainwater pipe.Because blow-off pipe, row's rainwater Guan Jun use with burying, caliber as the ring stiffness deficiency, is difficult to bear weight after increasing.This structure has also comprehensively improved its vertical rigidity and pliability, makes its existing good vertical rigidity, and good vertical anti-bending strength is arranged again.Otherwise be difficult to adapt to the working condition of burying ground.Smooth interior surface is convenient to reduce the flow resistance of sewage or rainwater, and the smooth exterior surface face then is convenient to carrying.
Threaded hole can be a kind of in circular hole, elliptical aperture, endless belt shape hole, rectangular opening, the polygonal hole.The number of threaded hole and hole shape can be decided according to the bore of pipe, wall thickness, purposes etc., should help the raising of its comprehensive mechanical performance, weight reduction as far as possible again, reduce cost.
The bight rounding of square hole, endless belt shape hole, rectangular opening, polygonal hole is to improve its manufacturability.
Two flat walls pipe of the present utility model can be extruded by a kind of and other plastics of PVC-U (PVC-U), polypropylene (PP), polyethylene plastics such as (PE) and form.By the pipe function admirable that PVC-U (PVC-U), polypropylene (PP), polyethylene (PE) etc. are made, anticorrosive, ageing-resistant, can be widely used in the buried pollution discharge row rainwater.
The available plastics expressing technique of two flat walls pipe of the present utility model is produced.Its manufacturability is fine, can produce on common standard even nonstandard extruder, extruding production line.Therefore, easy to utilize.For this reason, the utility model has designed special-purpose head.
The once extruding production line of the utility model two flat walls spiral hollow structure wall pipe is by extruder, the head that is connected with extruder, the vacuum sizing tank that is connected with head successively and spraying cooling water groove, be installed in multi-track hauling machine, cast-cutting saw thereafter and turn over pipe support etc. and form successively.The connected mode of head and extruder is divided into directly to formula and right-angle type.Head by the machine neck that can be connected and installed with extruder, be installed in handpiece body on the machine neck, be installed in mouth mould on the handpiece body, be installed in shunting support in the handpiece body, be installed in the branch flow cone on the shunting support, the plug that is installed on the branch flow cone constitutes.The rear portion of plug has the number hollow mandrel identical with the spiral hole count, and the driving mechanism that can make the plug rotation also is installed on the handpiece body.The driving mechanism that is installed with on the handpiece body can make plug together with the rotation of hollow mandrel, extrudes threaded hole and inwall.Plug rotates soon more together with the hollow mandrel, and the pitch of threaded hole is more little.
Driving mechanism can by be sleeved on driven bevel pinion axle in the branch flow cone, be installed in the driven bevel pinion of driven bevel pinion shaft end, a plurality of hollow mandrels and the plug that is installed in active umbrella gear shaft on the handpiece body, is installed in the driving bevel gear of driving bevel gear shaft end and driven bevel pinion engagement and is installed in the driven bevel pinion axle other end with bearing constituted.The afterbody of active umbrella gear shaft is installed with to drive uses transmission.But driving and driven angular wheel shaft and driving and driven bevel gear and hollow mandrel all have the pore of bubbling air.Head is for directly to the formula head.Bubbling air helps the shaping and the setting of threaded hole.
Transmission is driven by extruder, through active umbrella gear shaft, driving bevel gear, driven bevel pinion, driven bevel pinion axle the hollow mandrel is rotated together with plug successively again, just can finish the production of two flat walls spiral hollow structure wall pipe.The head of this moment should be directly to the formula head.
Driving mechanism also can by be installed in driving shaft in the branch flow cone with bearing, be installed in the transmission of driveshaft end, a plurality of hollow mandrels and the plug that is installed in the driving shaft other end constitutes.But driving shaft and hollow mandrel all have the pore of bubbling air, and head is the right-angle type head.
Transmission directly drives driving shaft at this moment, the hollow mandrel rotates together with plug, just can finish the production of the two flat walls pipe that has threaded hole.The runner of the material of fusion between plug, hollow mandrel, mouthful mould extruded continuously, again through cooling, typing, the traction of once extruding production line, cut and turn over pipe etc. and can finish.
Mandrel can be a kind of in cylindrical, elliptical cylinder-shape, endless belt cylindricality, rectangle cylindricality, the polygon cylindricality, and the centre has pore.Self-evident, the number of mandrel should be corresponding with the number and the hole shape of threaded hole with shape.Pore is used for bubbling air, helps the shaping and the setting of threaded hole.
Task of the present utility model comes to this and finishes.
The utility model provides comprehensive mechanical performances such as a kind of existing good impact resistance, ring stiffness, axial pliability, superior processing performance is arranged again, can on the extruding production line of standard, produce, the production efficiency height, and in light weight, two flat walls spiral hollow structure wall pipe and once extruding production line thereof that production cost is low.It can be widely used in the buried pollution discharge row storm sewer construction of city.
Description of drawings
Fig. 1 is the structural representation of two flat walls spiral hollow structure wall pipe.
Fig. 2 is its transverse cross-sectional view.
Fig. 3 is the transverse cross-sectional view of another kind of two flat walls spiral hollow structure wall pipe.
Fig. 4 is straight general structure schematic diagram to the formula once extruding production line.
Fig. 5 is the general structure schematic diagram of right-angle type once extruding production line.
Fig. 6 is the profile of the head discharging opening of once extruding production line.
Fig. 7 is straight generalized section to the formula head.
Fig. 8 is the generalized section of right-angle type head.
Figure 1 shows that a kind of two flat walls spiral hollow structure wall pipe.It is made of the inwall 1 of smooth interior surfaces, the outer wall 2 and the endoporus 3 between inwall 1 and outer wall 2 of outer surface smoother.The muscle that hole wall 4 between the endoporus 3 constitutes between inwall 1 and the outer wall 2.Endoporus 3 is for running through the threaded hole of head and the tail.A with dashed lines has marked the position of moving towards of a threaded hole among the figure.
Figure 2 shows that a kind of two flat walls spiral hollow structure wall pipe.It is made of inwall 1, outer wall 2 and endoporus 3.The muscle that hole wall 4 between the endoporus 3 constitutes between inwall 1 and the outer wall 2.Endoporus 3 is for running through the threaded hole of head and the tail.Threaded hole (being endoporus 3) has 16, laterally is uniformly distributed along the circumference.The cross section of threaded hole is a circular hole.
Figure 3 shows that another kind of two flat walls spiral hollow structure wall pipe.The cross section of its endoporus 3 (being threaded hole) is the endless belt rectangle, has 12.
Fig. 4～shown in Figure 5, once extruding production line are by 1～2 extruder 5, the head 6 that is connected with extruder 5, the vacuum sizing tank 7 that is connected with head 6 successively and 1～4 spraying cooling water groove 8, be installed in multi-track hauling machine 9, cast-cutting saw 10 thereafter and turn over pipe support 11 etc. and form successively.
Fig. 6 shows the discharging opening of the head of once extruding production line, and it is made up of mouth mould 14, hollow mandrel 18, plug 17.Have pore 25 in the hollow mandrel 18.Molten plastic is extruded by runner 27.
The extruding of once extruding production line that Figure 7 shows that a kind of two flat walls spiral hollow structure wall pipe used head.It by machine neck 12, the handpiece body 13 that can be connected and installed with extruder 5, be installed in mouth mould 14, shunting support 15 on the handpiece body 13, divide flow cone 16, plug 17 to be constituted.The rear portion of plug 17 has number and threaded hole 3 the same number of hollow mandrels 18.The driving mechanism that can make plug 17 rotations also is installed on the handpiece body 13.Driving mechanism is made of active umbrella gear shaft 22, driving bevel gear 23 and a plurality of hollow mandrel 18 and the plug 17 that are sleeved on driven bevel pinion axle 19 in the branch flow cone 16, driven bevel pinion 20, be installed on the handpiece body with bearing 21.The afterbody of active umbrella gear shaft 22 is installed with and drives with transmission 24.But driving and driven angular wheel shaft 22 and 19 and driving and driven bevel gear 23 and 20 and hollow mandrel 18 all have the pore 25 of bubbling air, head is for directly to the formula head.
Figure 8 shows that another kind is extruded uses head.This is a kind of right-angle handpiece.Its driving mechanism by be installed in driving shaft 26 in the branch flow cone 16 with bearing 21, be installed in the transmission 24 of driving shaft 26 ends, a plurality of hollow mandrels 18 and the plug 17 that is installed in driving shaft 26 other ends constitutes.But driving shaft 26 and hollow mandrel 18 all have the pore 25 of bubbling air, and head is the right-angle type head.
The specific embodiment
Specific embodiment of the utility model is as follows:
1. 1 kinds of two flat walls spirals of embodiment hollow structure wall pipe.It is made of the inwall of smooth interior surfaces, the outer wall of outer surface smoother and the endoporus between inner and outer wall.Hole wall between the endoporus constitutes the muscle between the inner and outer wall.Endoporus is the threaded hole that runs through head and the tail.Threaded hole is that endoporus has 16, laterally is uniformly distributed along the circumference.It is a kind of circular hole.It is extruded by PVC-U (PVC-U) and forms.As shown in Figure 2.
2. 1 kinds of two flat walls spirals of embodiment hollow structure wall pipe.It is made of the inwall of smooth interior surfaces, the outer wall of outer surface smoother and the endoporus between inner and outer wall.Hole wall between the endoporus constitutes the muscle between the inner and outer wall.Endoporus is the threaded hole that runs through head and the tail.Threaded hole is that endoporus has 12, laterally is uniformly distributed along the circumference.It is a kind of endless belt shape hole.Extrude by polyethylene (PE) and to form.As shown in Figure 3.
3. 1 kinds of two flat walls spirals of embodiment hollow structure wall pipe.It is made of inside and outside wall and endoporus.Endoporus is the threaded hole that runs through head and the tail.Threaded hole has a plurality of, laterally is uniformly distributed along the circumference.It is extruded by polypropylene (PP) and forms.
Comprehensive mechanical performances such as embodiment 1～embodiment 3 existing good impact resistances, ring stiffness, axial pliability have superior processing performance again, can on the extruding production line of standard, produce, and the production efficiency height, and also in light weight, production cost is low.It can be widely used in the buried pollution discharge row rainwater of city.
The once extruding production line of 4. 1 kinds of two flat walls spirals of embodiment hollow structure wall pipe.It is by extruder, the head that is connected with extruder, the vacuum sizing tank that is connected with head successively and spraying cooling water groove, be installed in multi-track hauling machine, cast-cutting saw thereafter and turn over pipe support etc. and form successively, and the connected mode of head and extruder is divided into directly to formula.Head by the machine neck that can be connected and installed with extruder, be installed in handpiece body on the machine neck, be installed in mouth mould on the handpiece body, be installed in shunting support in the handpiece body, be installed in the branch flow cone on the shunting support, the plug that is installed on the branch flow cone constitutes.The rear portion of plug has the number hollow mandrel identical with the spiral hole count.The driving mechanism that can make the plug rotation also is installed on the handpiece body.Driving mechanism by be sleeved on driven bevel pinion axle in the branch flow cone, be installed in the driven bevel pinion of driven bevel pinion shaft end, a plurality of hollow mandrels and the plug that is installed in active umbrella gear shaft on the handpiece body, is installed in the driving bevel gear of driving bevel gear shaft end and driven bevel pinion engagement and is installed in the driven bevel pinion axle other end with bearing constituted.The afterbody of active umbrella gear shaft is installed with to drive uses transmission.But driving and driven angular wheel shaft and driving and driven bevel gear and hollow mandrel all have the pore of bubbling air.Head is for directly to the formula head.Wherein air-cored axis is cylindrical.
The once extruding production line of 5. 1 kinds of two flat walls spirals of embodiment hollow structure wall pipe.Its driving mechanism by be installed in driving shaft in the branch flow cone with bearing, be installed in the transmission of driveshaft end, a plurality of hollow mandrels and the plug that is installed in the driving shaft other end constitutes.But driving shaft and hollow mandrel all have the pore of bubbling air.Head is the right-angle type head.Wherein air-cored axis is the rectangle cylindricality.
Claims (9)
1. two flat walls spiral hollow structure wall pipe, it is made of the inwall of smooth interior surfaces, the outer wall of outer surface smoother and the endoporus between inner and outer wall, hole wall between the endoporus constitutes the muscle between the inner and outer wall, it is characterized in that said endoporus is the threaded hole that runs through head and the tail.
2. according to the described two flat walls spiral of claim 1 hollow structure wall pipe, it is a plurality of to it is characterized in that said threaded hole has, and laterally is uniformly distributed along the circumference.
3. according to claim 1 or 2 described two flat walls spiral hollow structure wall pipes, it is characterized in that said threaded hole can be a kind of in circular hole, elliptical aperture, endless belt shape hole, rectangular opening, the polygonal hole.
4. according to the described two flat walls spiral of claim 3 hollow structure wall pipe, the outer warp that it is characterized in that said two flat walls pipe is less than 3 meters.
5. according to claim 1 or 2 described two flat walls spiral hollow structure wall pipes, it is characterized in that it is formed by a kind of the extruding of PVC-U (PVC-U), polypropylene (PP), polyethylene plastics such as (PE).
6. once extruding production line according to the described two flat walls spiral of claim 1 hollow structure wall pipe, it is by extruder, the head that is connected with extruder, vacuum sizing tank that is connected with head successively and spraying cooling water groove, be installed in multi-track hauling machine thereafter successively, cast-cutting saw and turn over compositions such as pipe support, the connected mode of head and extruder is divided into directly to formula and right-angle type, it is characterized in that said head is by the machine neck that can be connected and installed with extruder, be installed in the handpiece body on the machine neck, be installed in the mouth mould on the handpiece body, be installed in the shunting support in the handpiece body, be installed in the branch flow cone on the shunting support, the plug that is installed on the branch flow cone constitutes, the rear portion of plug has the number hollow mandrel identical with the spiral hole count, and the driving mechanism that can make the plug rotation also is installed on the handpiece body.
7. according to the once extruding production line of the described two flat walls spiral of claim 6 hollow structure wall pipe, it is characterized in that said driving mechanism is by the driven bevel pinion axle that is sleeved in the branch flow cone, be installed in the driven bevel pinion of driven bevel pinion shaft end, be installed in active umbrella gear shaft on the handpiece body with bearing, being installed in the driving bevel gear of driving bevel gear shaft end and driven bevel pinion engagement and a plurality of hollow mandrels and the plug that is installed in the driven bevel pinion axle other end constitutes, the afterbody of active umbrella gear shaft is installed with to drive uses transmission, main, driven bevel pinion axle and master, but driven bevel pinion and hollow mandrel all have the pore of bubbling air, and head is for directly to the formula head.
8. according to the once extruding production line of the described two flat walls spiral of claim 6 hollow structure wall pipe, it is characterized in that said driving mechanism by be installed in driving shaft in the branch flow cone with bearing, be installed in the transmission of driveshaft end, a plurality of hollow mandrels and the plug that is installed in the driving shaft other end constitutes, but driving shaft and hollow mandrel all have the pore of bubbling air, and head is the right-angle type head.
9. according to the once extruding production line of the described two flat walls spiral of claim 6 hollow structure wall pipe, it is characterized in that said hollow mandrel can be a kind of in cylindrical, elliptical cylinder-shape, endless belt cylindricality, rectangle cylindricality, the polygon cylindricality, the centre has pore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02270079U CN2570009Y (en) | 2002-10-04 | 2002-10-04 | Double flat wall helical hollow structural wall pipe and primary extrusion production line thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02270079U CN2570009Y (en) | 2002-10-04 | 2002-10-04 | Double flat wall helical hollow structural wall pipe and primary extrusion production line thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2570009Y true CN2570009Y (en) | 2003-09-03 |
Family
ID=33735204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02270079U Expired - Lifetime CN2570009Y (en) | 2002-10-04 | 2002-10-04 | Double flat wall helical hollow structural wall pipe and primary extrusion production line thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2570009Y (en) |
-
2002
- 2002-10-04 CN CN02270079U patent/CN2570009Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20050928 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |