CN102029711A - Biaxial orientation processing equipment for thermoplastic plastic pipe - Google Patents
Biaxial orientation processing equipment for thermoplastic plastic pipe Download PDFInfo
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- CN102029711A CN102029711A CN2009100579564A CN200910057956A CN102029711A CN 102029711 A CN102029711 A CN 102029711A CN 2009100579564 A CN2009100579564 A CN 2009100579564A CN 200910057956 A CN200910057956 A CN 200910057956A CN 102029711 A CN102029711 A CN 102029711A
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- tapering part
- expansion core
- straight portion
- thermoplastic plastic
- biaxial orientation
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Abstract
The invention discloses biaxial orientation processing equipment for a thermoplastic plastic pipe. The equipment comprises an extruder, a cooling device, a front traction device, a heating device and a back traction device in turn according to a process flow, wherein an extension core mold is arranged in the heating device; and the heating device consists of a water groove which is partitioned into a preheating region, a heating region and a cooling region. The processing equipment takes the water groove as the heating device, has the characteristics of simple structure, easiness of manufacturing and low manufacturing cost, heats the pipe by water temperature, has the advantages of easiness of temperature control, stable temperature and uniform pipe heating and contributes to enhancing the quality of the pipe.
Description
Technical field
The invention belongs to the processing technique field of thermoplastic plastic pipe, relate in particular to a kind of thermoplastic plastic pipe biaxial orientation process equipment.
Background technology
Thermoplastic plastic pipe passes through biaxial orientation, can strengthen the intensity and the impact resistance of tubing greatly, thereby can under the situation that does not reduce tubing hydraulic pressure resistant burst strength, reduce the wall thickness of tubing greatly, reach and reduce pipe material product cost, the purpose that saves material.
In the prior art, the biaxial orientation processing unit (plant) of thermoplastic plastic pipe is comparatively complicated, the equipment manufacturing cost height.
Summary of the invention
It is simple that technical problem to be solved by this invention provides a kind of processing technology, and the thermoplastic plastic pipe biaxial orientation process equipment that device structure is simple, equipment manufacturing cost is low is to overcome the deficiency that prior art exists.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of thermoplastic plastic pipe biaxial orientation process equipment, it includes extruder according to work flow successively, cooling device, pre-traction device, heater and rear towing device, be provided with the expansion core in the described heater, it is characterized in that: described heater is made of the tank that is divided into preheating zone, heating region, cooled region.
Described preheating zone fills 60-70 ℃ warm water, and described heating region fills 95-98 ℃ hot water, and described cooled region fills 15-20 ℃ cold water.
The employing technique scheme, the present invention adopts the water temperature in the tank to heat, and heating-up temperature is controlled easily, is stablized, and sink structure is simple, manufacturing easily, and the cost cost is low.
In an embodiment of the present invention, described expansion core is the circular shaft of boring, described expansion core is divided into the leading portion straight portion, middle part tapering part and rear end straight portion, described leading portion straight portion, middle part tapering part and rear end straight portion place preheating zone, heating region and the cooled region of tank respectively.
In order to heat simultaneously the thermoplastic plastic pipe surfaces externally and internally simultaneously, make the tubing surfaces externally and internally be heated evenly and reduce to expand the friction of core and tubing, the leading portion straight portion of described expansion core, isolate by thermal insulation board between middle part tapering part and the rear end straight portion, described expansion core is connected with extruder die head by hollow connecting rod, have the water-supply-pipe that is communicated with tapering part inside, middle part in the hollow connecting rod, the circumferential surface of described middle part tapering part is distributed with the perforation of axially extended groove and communication groove and tapering part inside, middle part.Adopt such structure, 95-98 ℃ hot water is by tapering part inside, water-supply-pipe input middle part, and flows to the surface of middle part tapering part via perforation, and the inner surface to tubing heats on the one hand, and the surfaces externally and internally of tubing is heated evenly; Between the circumferential surface of internal surface of pipe and expansion core, form moisture film on the other hand, reduced the friction of expansion core and tubing.
In order to make the hot water that flows in the expansion core to reflux, two sections before and after described middle part tapering part is divided into by dividing plate, described water-supply-pipe is communicated with the front section of middle part tapering part, also have in the described hollow connecting rod and be communicated to the return pipe of section behind the tapering part of middle part, the outer surface that is in heating region, position, cooled region boundary of the middle part tapering part of the preheating zone that is in tank of the leading portion straight portion of described expansion core, the outer surface of position, heating region boundary and expansion core is embedded with sealing ring respectively.Adopt such structure, 95-98 ℃ of hot water is through water-supply-pipe input middle part tapering part front section, and the perforation of section flows into behind the tapering part of middle part in the section behind the groove on the perforation of front section, tapering part surface, middle part, middle part tapering part, after return pipe flow out.Sealing ring has guaranteed that hot water can only flow out in the zone of the expansion mandrel between these two sealing rings and reflux, and circulates.
It more than is exactly thermoplastic plastic pipe biaxial orientation process equipment of the present invention, this process equipment adopts tank as heater, has simple in structure, easy manufacturing, the characteristics that cost is low, and adopt water temperature that tubing is heated, have again temperature control easily, the advantage that is heated evenly of temperature stabilization and tubing, help improving the quality of tubing.
Description of drawings
The present invention will be described below in conjunction with the drawings and specific embodiments:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of heater of the present invention;
Fig. 3 be among Fig. 2 A-A to cutaway view.
The specific embodiment
As shown in Figure 1, thermoplastic plastic pipe biaxial orientation process equipment of the present invention, comprise extruder 100, cooling device 200, a pre-traction device 300 that the tubing extrusion die is housed, tank 400, expansion core 500, rear towing device 600 and hollow connecting rod 700.
Wherein, extruder 100, cooling device 200, pre-traction device 300, tank 400, rear towing device 600 set gradually according to the tubing work flow.Cooling device 200 is vacuum spray cooling sizing case, and expansion core 500 is arranged in the tank 400, and hollow connecting rod 700 is connected between expansion core 500 and extruder 100 die heads 101.
As shown in Figure 2, tank 400 is divided into three zones, is respectively preheating zone 401, heating region 402 and cooled region 403, isolates with thermal insulation board 801 between the zone.Fill 60-70 ℃ warm water in preheating zone 401, heating region 402 fills 95-98 ℃ hot water, and cooled region 403 fills 15-20 ℃ cold water.
The leading portion straight portion 501 of expansion core 500, middle part tapering part 502 and rear end straight portion 503 place preheating zone 401, heating region 402 and the cooled region 403 of tank 400 respectively.Expansion mandrel 500 is fixed by the circular hole on the every thermal insulation board 801, by the sealing of the rubber seal between expansion mandrel 500 and the thermal insulation board 801, the water of 400 3 regional different temperatures of tank is isolated mutually.Leading portion straight portion 501 is in the preheating zone 401 of tank 400, the outer surface of position, heating region 402 boundary is embedded with an O RunddichtringO; Stage casing tapering part 502 is in the heating region 402 of tank 400 and the outer surface of position, cooled region 403 boundary also is embedded with an O RunddichtringO.
Being respectively equipped with a water-supply-pipe 701 and return pipe 702 in the hollow connecting rod 700 communicates with middle part tapering part 502 inside of expansion core 500.Wherein the opening of water-supply-pipe 701 is positioned at the front section 512 of middle part tapering part 502, is used to import 95-98 ℃ hot water, and the opening of return pipe 702 is positioned at the middle part conic section and divides 502 back section 522, and 95-98 ℃ hot water is used to reflux.Hollow connecting rod 700 passes the spreader of extruder 100 die heads 101 and is fixed, and is communicated with extraneous 95-98 ℃ thermal water source.
Fig. 2 is in conjunction with shown in Figure 3, and the circumferential surface of middle part tapering part 502 is distributed with the perforation 542 of axially extended groove 532 and communication groove 532 and middle part tapering part 502 inside.Hot water can be transported to the front section 512 of middle part tapering part 502 by the water-supply-pipe 701 in the hollow connecting rod 700, and by being positioned at perforation 542 outflows on tapering part 502 front section 512 surfaces, middle part, groove 532 through middle part tapering part 502 surfaces, perforation 542 from section 522 surfaces, back flows into again, divides the return duct 702 of 502 back section 522 to reflux to discharge by feeding the middle part conic section.Two O RunddichtringOs of expansion mandrel 500 outer surfaces have guaranteed that hot water can only flow out and backflow so circulation in 500 zones of the expansion mandrel between these two O RunddichtringOs.
It more than is exactly thermoplastic plastic pipe biaxial orientation process equipment of the present invention, during this process equipment processing thermoplastic plastic pipe, by extruder 100 extruding pipe materials and by vacuum spray cooling sizing case cooling sizing, tubing is pushed into expansion core 500 by force by pre-traction device 200 then, (external diameter of leading portion straight portion 501 of expansion core 500 is slightly less than the internal diameter of tubing to make the leading portion straight portion 501 of expansion core 500 be introduced into the inside of tubing, make the leading portion straight portion 501 of expansion core 500 can enter caliber smoothly), the tubing of leading portion straight portion 501 that enters expansion core 500 simultaneously is by 60-70 in the tank ℃ water preheat.Tubing is continued to push the tapering part 502 of expansion core 500 subsequently, the outside of tubing is by 95-98 ℃ in tank 400 heating regions 402 water heating, and is inner by 95-98 ℃ the hot water heating of flowing out in middle part tapering part 502 perforate surfaces of expansion core 500 and groove.Along with the continuation of tubing pushes by force, tubing is radially expanded, and realizes the radial drawing orientation, and another draw-gear 600 tractions that tubing is positioned in tank 400 back simultaneously realize the axial tension orientation.Continued to be pulled machine travel by the tubing of biaxial stretch-formed orientation, enter expansion core 500 back segment straight portion 503, by 15-20 ℃ in the cooled region 403 of tank 400 water cooling typing.Tubing behind the cooling and shaping is cut the machine cutting subsequently, finishes the biaxial orientation moulding of tubing.
Can find by foregoing detailed description, the present invention is by adopting tank as heater, has simple in structure, easy manufacturing, the characteristics that cost is low, and adopt water temperature that tubing is heated, have again temperature control easily, the advantage that is heated evenly of temperature stabilization and tubing, help improving the quality of tubing.
But, those skilled in the art will recognize that, the above-mentioned specific embodiment is exemplary, be in order better to make those skilled in the art can understand this patent, can not be interpreted as it is the restriction that this patent is comprised scope, so long as according to spirit that this patent discloses done anyly be equal to change or modify, all fall into the scope that this patent comprises.
Claims (5)
1. thermoplastic plastic pipe biaxial orientation process equipment, it includes extruder according to work flow successively, cooling device, pre-traction device, heater and rear towing device, be provided with the expansion core in the described heater, it is characterized in that: described heater is made of the tank that is divided into preheating zone, heating region, cooled region.
2. thermoplastic plastic pipe biaxial orientation process equipment according to claim 1 is characterized in that: described preheating zone fills 60-70 ℃ warm water, and described heating region fills 95-98 ℃ hot water, and described cooled region fills 15-20 ℃ cold water.
3. thermoplastic plastic pipe biaxial orientation process equipment according to claim 1 and 2, it is characterized in that: described expansion core is the circular shaft of boring, described expansion core is divided into the leading portion straight portion, middle part tapering part and rear end straight portion, described leading portion straight portion, middle part tapering part and rear end straight portion place preheating zone, heating region and the cooled region of tank respectively.
4. thermoplastic plastic pipe biaxial orientation process equipment according to claim 3, it is characterized in that: the leading portion straight portion of described expansion core, isolate by thermal insulation board between middle part tapering part and the rear end straight portion, described expansion core is connected with extruder die head by hollow connecting rod, have the water-supply-pipe that is communicated with tapering part inside, middle part in the hollow connecting rod, the circumferential surface of described middle part tapering part is distributed with the perforation of axially extended groove and communication groove and tapering part inside, middle part.
5. thermoplastic plastic pipe biaxial orientation process equipment according to claim 4, it is characterized in that: two sections before and after described middle part tapering part is divided into by dividing plate, described water-supply-pipe is communicated with the front section of middle part tapering part, also have in the described hollow connecting rod and be communicated to the return pipe of section behind the tapering part of middle part, the outer surface that is in heating region, position, cooled region boundary of the middle part tapering part of the preheating zone that is in tank of the leading portion straight portion of described expansion core, the outer surface of position, heating region boundary and expansion core is embedded with sealing ring respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100579564A CN102029711A (en) | 2009-09-27 | 2009-09-27 | Biaxial orientation processing equipment for thermoplastic plastic pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100579564A CN102029711A (en) | 2009-09-27 | 2009-09-27 | Biaxial orientation processing equipment for thermoplastic plastic pipe |
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| CN102029711A true CN102029711A (en) | 2011-04-27 |
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| CN2009100579564A Pending CN102029711A (en) | 2009-09-27 | 2009-09-27 | Biaxial orientation processing equipment for thermoplastic plastic pipe |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103009620A (en) * | 2011-09-20 | 2013-04-03 | 上海华义化工科技有限公司 | Heating method and heating device of tubular film blank tube |
| CN104017310A (en) * | 2014-06-20 | 2014-09-03 | 福建博大塑业新材料有限公司 | Biaxial orientation polyvinyl chloride pipe and preparation method thereof |
| CN104827651A (en) * | 2015-06-09 | 2015-08-12 | 佛山市日丰企业有限公司 | Online two-way stretching device of plastic pipes |
| CN106166836A (en) * | 2016-09-13 | 2016-11-30 | 深圳市玖品空气净化科技有限公司 | A kind of plastic pipe bidirectional stretching system of high reliability |
| CN106830117A (en) * | 2017-02-21 | 2017-06-13 | 武汉都市环保工程技术股份有限公司 | Underground water stratified sampling and layering prosthetic device |
| CN106867143A (en) * | 2017-03-01 | 2017-06-20 | 保定市力达塑业有限公司 | A kind of biaxially orienting polyvinyl chloride tubing and preparation method thereof |
| CN110587965A (en) * | 2019-09-24 | 2019-12-20 | 浙江工业大学之江学院 | Multistage temperature control machining forming device and machining method for PVC-O pipe |
| CN110621474A (en) * | 2017-03-30 | 2019-12-27 | Sabic环球技术有限责任公司 | Method for modifying and joining oriented pipes |
| CN110884170A (en) * | 2019-09-29 | 2020-03-17 | 广东宝通玻璃钢有限公司 | Fiber continuous winding reinforced thermoplastic pipe, manufacturing system and method thereof |
-
2009
- 2009-09-27 CN CN2009100579564A patent/CN102029711A/en active Pending
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103009620B (en) * | 2011-09-20 | 2017-11-24 | 上海华义化工科技有限公司 | The heating means and heater of tubular film blank tube |
| CN103009620A (en) * | 2011-09-20 | 2013-04-03 | 上海华义化工科技有限公司 | Heating method and heating device of tubular film blank tube |
| CN104017310A (en) * | 2014-06-20 | 2014-09-03 | 福建博大塑业新材料有限公司 | Biaxial orientation polyvinyl chloride pipe and preparation method thereof |
| CN104017310B (en) * | 2014-06-20 | 2016-08-24 | 福建博大塑业新材料有限公司 | A kind of biaxially orienting polyvinyl chloride pipe and preparation method thereof |
| CN104827651A (en) * | 2015-06-09 | 2015-08-12 | 佛山市日丰企业有限公司 | Online two-way stretching device of plastic pipes |
| CN104827651B (en) * | 2015-06-09 | 2018-01-09 | 日丰企业（佛山）有限公司 | A kind of online two-way stretch device of plastic pipe |
| CN106166836A (en) * | 2016-09-13 | 2016-11-30 | 深圳市玖品空气净化科技有限公司 | A kind of plastic pipe bidirectional stretching system of high reliability |
| CN106166836B (en) * | 2016-09-13 | 2018-09-25 | 立胜（厦门）塑胶管材有限公司 | A kind of plastic pipe bidirectional stretching system |
| CN106830117A (en) * | 2017-02-21 | 2017-06-13 | 武汉都市环保工程技术股份有限公司 | Underground water stratified sampling and layering prosthetic device |
| CN106830117B (en) * | 2017-02-21 | 2023-02-28 | 中冶南方都市环保工程技术股份有限公司 | Underground water layered sampling and layered repairing device |
| CN106867143A (en) * | 2017-03-01 | 2017-06-20 | 保定市力达塑业有限公司 | A kind of biaxially orienting polyvinyl chloride tubing and preparation method thereof |
| CN106867143B (en) * | 2017-03-01 | 2019-05-17 | 保定市力达塑业有限公司 | A kind of biaxially orienting polyvinyl chloride tubing and preparation method thereof |
| CN110621474A (en) * | 2017-03-30 | 2019-12-27 | Sabic环球技术有限责任公司 | Method for modifying and joining oriented pipes |
| CN110621474B (en) * | 2017-03-30 | 2021-06-29 | Sabic环球技术有限责任公司 | Method for modifying and joining oriented pipes |
| US11396124B2 (en) | 2017-03-30 | 2022-07-26 | Sabic Global Technologies B.V. | Process for modifying and joining oriented pipes |
| US11992997B2 (en) | 2017-03-30 | 2024-05-28 | Sabic Global Technologies B.V. | Biaxially oriented pipe with a thickened end portion |
| CN110587965A (en) * | 2019-09-24 | 2019-12-20 | 浙江工业大学之江学院 | Multistage temperature control machining forming device and machining method for PVC-O pipe |
| CN110884170A (en) * | 2019-09-29 | 2020-03-17 | 广东宝通玻璃钢有限公司 | Fiber continuous winding reinforced thermoplastic pipe, manufacturing system and method thereof |
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