CN101293395A - Plastic tube product line - Google Patents
Plastic tube product line Download PDFInfo
- Publication number
- CN101293395A CN101293395A CNA2008100712227A CN200810071222A CN101293395A CN 101293395 A CN101293395 A CN 101293395A CN A2008100712227 A CNA2008100712227 A CN A2008100712227A CN 200810071222 A CN200810071222 A CN 200810071222A CN 101293395 A CN101293395 A CN 101293395A
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- plastic tube
- product line
- tube product
- interlayer
- passage
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a plastic tubular product manufacture line which includes a handpiece finish mold, a sizing sleeve and a pre-cooling device; the pre-cooling device includes a material circulating channel which is coaxial with the handpiece finish mold and has the same shape and size of the inner cavity of the handpiece finish mold; the inlet end of the material circulating channel is communicated with the material outlet of the handpiece finish mold; the outlet end is communicated with the inlet of the sizing sleeve. The plastic tubular product manufacture line of the invention has the advantages that the temperature of an extruded material blank cooled by the pre-cooling device is reduced and the material blank is contracted; the outer diameter of the material blank is almost consistent with the inner diameter of the sizing sleeve, thus being easier to enter the sizing sleeve, reducing the heat transferring action between the material blank and the sizing sleeve and avoiding the problems of over-heating of the sizing sleeve and blocking of the material blank from happening; thereby effectively improving the manufacture speed of the plastic tubular product manufacture line and stabilizing the manufacture.
Description
Technical field
The present invention relates to the plastic pipe production equipment, particularly a kind of plastic tube product line.
Background technology
Existing plastic tube product line mainly is made up of equipment such as blanking device, extruder, machine head port mould, calibration sleeve device, vacuum tank, hauling machine, cutting machines, the moulding of plastic pipe is mainly extruded by machine head port mould and is formed cylinder material embryo, the process calibration sleeve cools off and vacuumizes again, makes cylinder material indusium cooling and shaping reach the given size requirement.The streamline of this mode, directly enter calibration sleeve behind the material embryo outlet mould and cool off sizing, because just the material embryo temperature of outlet mould generally all has about 200 degree, and outlet mould material embryo all has certain dilatancy, tends to make the very fast heating of calibration sleeve like this, and the normal cooling that has greatly influenced the material embryo is shunk, influenced the normal traction of material embryo, cause the material embryo in the calibration sleeve blocking easily, even cause the traction of pipe indusium to break, influenced speed of production and stability.The quality and the outward appearance of tubing also have been subjected to very big reason simultaneously.The existing practice can only be improved by control composition of raw materials and production technology, so the outward appearance of the tubing of producing so all can only reach inferior brightness basically, is difficult to reach as minute surface and has good luster effect.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art part and a kind of a kind of plastic tube product line that improves tubing production stability and production efficiency is provided.
The objective of the invention is to realize by following approach.
A kind of plastic tube product line, comprise machine head port mould, calibration sleeve, its structural feature is: described plastic tube product line also includes pre-cooler, described pre-cooler include with machine head port mould coaxial, with the material stream passed passage of identical shaped, the same size of machine head port mould inner chamber, the entrance point of described material stream passed passage is connected with the material outlet of machine head port mould, and the port of export of material stream passed passage and the inlet of calibration sleeve are conducted.
Set up a pre-cooler coaxial with machine head port mould between the machine head port mould of plastic tube product line and calibration sleeve, after the material embryo was subjected to preliminary cooling through pre-cooler, extexine toughness strengthened, and made the material embryo be difficult for taking place disconnected pipe problem under the tractive force effect; Because the material embryo is subjected to the pre-cold-peace rubbing action of pre-cooler, head pressure is increased simultaneously, thereby help improving the plasticizing effect of raw material, improve the quality of products, can improve tubing production stability and production efficiency.Pass through the glossiness on the surface of control material stream passed passage simultaneously, also can improve the glossiness of material periblast greatly.
The structure that can be used as the pre-cooler of plastic tube product line has a lot, below is two kinds of forms that the applicant provides:
A kind ofly be: described pre-cooler is for to be made of pipeline, and the inner chamber of pipeline is the material stream passed passage, lays the various cryogens of putting such as ice cube at the outer peripheral face of pipeline and puts cold.
Another kind is: described pre-cooler comprises the housing with interlayer, the inner chamber of housing is the material stream passed passage, the closed at both ends of crustless sandwich, crustless sandwich and interlayer both ends of the surface constitute the cold passage of putting of pre-cooler, put cold passage and be provided with the import and the outlet of putting cryogen, described import is positioned at puts close head membrana oralis end on the cold passage, and described outlet is positioned at puts on the cold passage near the calibration sleeve end.
Describedly put the import and the outlet of cold passage or be arranged on the outer wall of crustless sandwich, or be arranged on the both ends of the surface of interlayer, or be arranged at simultaneously on the both ends of the surface of the outer wall of interlayer and interlayer.
Describedly put cryogen or for water, or be cold air.
The internal layer of described housing adopts the high metal material of thermal conductivity factor to make.
The cooling effect of the high more device of metal material thermal conductivity factor is good more, is beneficial to the material embryo more and is being subjected to good compression and rubbing action in the extrusion fast.
The metal material that described thermal conductivity factor is high is iron, stainless steel, copper.
The inner surface of the internal layer of described interlayer is through polishing or electroplating processes.
Internal layer inner surface after polishing or electroplating processes is very bright, the material embryo head pressure and tractive force interaction under, after the good pre-cold-peace friction of cover generation in the light, the extexine of material embryo reflects the mirror surface luster the same with inner surface of inner race naturally.
Described housing with interlayer is a kind of housing of annular.
Described toroidal shell structure is: it comprises interior cover, overcoat, sealing plate, sealing ring, fixed connection of an end between overcoat and the interior cover, the other end between overcoat and the interior cover uses sealing ring and sealing plate with the interlayer end face seal, cavity between overcoat, interior cover and sealing ring and the sealing plate constitutes puts cold passage, be provided with import, outlet on the coat, the inner chamber of interior cover is the material stream passed passage.
Described fixed connection or for being threaded, or be welding.
The cross section circle of described material stream passed passage.
In sum, the present invention has following advantage compared to existing technology:
The high temperature material embryo that is come out by the head membrana oralis cools off through pre-cooler, the material embryo of extruding like this is existing lowers the temperature and shrinks, material embryo external diameter and calibration sleeve internal diameter basically identical, can enter calibration sleeve easilier, reduced and calibration sleeve between heat transfer process, avoid problems such as calibration sleeve excessive heating and material embryo are obstructed to produce, thereby effectively improve the speed of production of plastic tube product line and produce stable.Simultaneously because after the inner surface of the internal layer of pre-cooler carried out polishing or electroplating processes, therefore can make the material embryo under the interaction of head pressure and tractive force, after the good pre-cold-peace friction of cover generation in the light, the extexine of material embryo reflects the mirror surface luster the same with inner surface of inner race naturally.
Description of drawings
Fig. 1 is the connection diagram of head membrana oralis, calibration sleeve and the pre-cooler of the embodiment of the invention 1
Fig. 2 is the structural representation of pre-cooler
Cover 312 overcoats 313 sealing plates 314 sealing rings 315 are put the port of export that cold passage 3151 is put the entrance point 42 material flow circulation roads of the outlet 4 material stream passed passages 41 material stream passed passages that the import 3152 of cold passage puts cold passage in label declaration 1 head membrana oralis 2 calibration sleeves 3 pre-coolers 31 housings 311
The specific embodiment
Below in conjunction with embodiment the present invention is described in more detail
A kind of plastic tube product line as shown in Figure 1 comprises head membrana oralis 1, calibration sleeve 2, pre-cooler 3 etc.Described pre-cooler comprises the toroidal shell 31 with interlayer, cover 311, overcoat 312, sealing plate 313, sealing ring 314 in described housing comprises.Overcoat is connected with screw thread with interior cover one end, and the other end of overcoat and interior cover uses sealing ring and sealing plate with the interlayer end face seal.Interior cover, overcoat, and sealing ring, sealing plate constitute the cold passage 315 of putting of pre-cooler.Be provided with import 3151, the outlet 3152 of putting cold passage on the coat, described import is positioned at puts close head membrana oralis end on the cold passage, and described outlet is positioned at puts on the cold passage near the calibration sleeve end.Import wherein and outlet are respectively four, are uniformly distributed in the periphery that annular is put the same section of cold passage.The inner chamber of interior cover constitutes material stream passed passage 4, and described material stream passed passage is coaxial and, same size identical shaped with the machine head port mould inner chamber with machine head port mould.The entrance point 41 of described material stream passed passage is connected with the material outlet of machine head port mould, and the port of export 42 of material stream passed passage is connected with the inlet of calibration sleeve.The cross section of the material stream passed passage in the present embodiment is circular.Cover adopts the high metal material of thermal conductivity factor to make in described, and it is made for stainless steel material.The inner surface of cover is through polishing in described.
It is same as the prior art that present embodiment is not stated part.
Claims (10)
1. plastic tube product line, comprise machine head port mould (1), calibration sleeve (2), it is characterized in that: described plastic tube product line also includes pre-cooler (3), described pre-cooler include with machine head port mould coaxial, with the material stream passed passage (4) of identical shaped, the same size of machine head port mould inner chamber, the entrance point of described material stream passed passage (41) is connected with the material outlet of machine head port mould, and the port of export of material stream passed passage (42) is conducted with the inlet of calibration sleeve.
2. plastic tube product line according to claim 1, it is characterized in that: described pre-cooler comprises the housing (31) with interlayer, the inner chamber of housing is material stream passed passage (4), the closed at both ends of crustless sandwich, what crustless sandwich and interlayer both ends of the surface constituted pre-cooler puts cold passage (315), put cold passage and be provided with the import (3151) and outlet (3152) of putting cryogen, described import is positioned at puts close head membrana oralis end on the cold passage, and described outlet is positioned at puts on the cold passage near the calibration sleeve end.
3. plastic tube product line according to claim 2 is characterized in that: describedly put the import and the outlet of cold passage or be arranged on the wall of crustless sandwich, or be arranged at the both ends of the surface of interlayer, or be arranged at simultaneously on the both ends of the surface of the wall of interlayer and interlayer.
4. plastic tube product line according to claim 3 is characterized in that: the internal layer of described housing adopts the high metal material of thermal conductivity factor to make.
5. plastic tube product line according to claim 4 is characterized in that: the metal material that described thermal conductivity factor is high is iron, stainless steel, copper.
6. plastic tube product line according to claim 5 is characterized in that: the inner surface of the internal layer of described interlayer is through polishing or electroplating processes.
7. according to any one described plastic tube product line of claim 1 to 6, it is characterized in that: described housing with interlayer is a kind of housing of annular.
8. plastic tube product line according to claim 7, it is characterized in that: described toroidal shell structure is: it comprises interior cover (311), overcoat (312), sealing plate (313), sealing ring (314), end between overcoat and the interior cover is for fixedlying connected, the other end between overcoat and the interior cover uses sealing ring and sealing plate with the interlayer end face seal, cavity between overcoat, interior cover and sealing ring and the sealing plate constitutes puts cold passage (315), be provided with import, outlet on the coat, the inner chamber of interior cover is the material stream passed passage.
9. plastic tube product line according to claim 8 is characterized in that: an end fixedlys connected or for being threaded, or is welding between described overcoat and the interior cover.
10. plastic tube product line according to claim 1 is characterized in that: the cross section circle of described material stream passed passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100712227A CN101293395A (en) | 2008-06-16 | 2008-06-16 | Plastic tube product line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100712227A CN101293395A (en) | 2008-06-16 | 2008-06-16 | Plastic tube product line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101293395A true CN101293395A (en) | 2008-10-29 |
Family
ID=40064057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100712227A Pending CN101293395A (en) | 2008-06-16 | 2008-06-16 | Plastic tube product line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101293395A (en) |
-
2008
- 2008-06-16 CN CNA2008100712227A patent/CN101293395A/en active Pending
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20081029 |