CN104002465A - Expanding-microshrinking biaxially-stretched pipe continuous molding method and equipment - Google Patents
Expanding-microshrinking biaxially-stretched pipe continuous molding method and equipment Download PDFInfo
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- CN104002465A CN104002465A CN201410206555.1A CN201410206555A CN104002465A CN 104002465 A CN104002465 A CN 104002465A CN 201410206555 A CN201410206555 A CN 201410206555A CN 104002465 A CN104002465 A CN 104002465A
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- biaxial stretching
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000000465 moulding Methods 0.000 title abstract 3
- 210000001161 mammalian embryo Anatomy 0.000 claims abstract description 56
- 238000001816 cooling Methods 0.000 claims abstract description 55
- 238000004513 sizing Methods 0.000 claims description 62
- 238000007493 shaping process Methods 0.000 claims description 12
- 239000011159 matrix material Substances 0.000 claims description 11
- 238000010924 continuous production Methods 0.000 claims description 3
- 238000007664 blowing Methods 0.000 abstract description 6
- 239000000155 melt Substances 0.000 abstract 3
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 19
- 238000003672 processing method Methods 0.000 description 7
- 238000001125 extrusion Methods 0.000 description 6
- 238000004017 vitrification Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000007704 transition 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/22—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of tubes
- B29C55/26—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of tubes biaxial
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92609—Dimensions
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92609—Dimensions
- B29C2948/92638—Length
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92609—Dimensions
- B29C2948/92647—Thickness
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92923—Calibration, after-treatment or cooling zone
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The invention discloses an expanding-microshrinking biaxially-stretched pipe continuous molding method and equipment; the method is based on the internal and external pressure balance, first, internal and external cold air pressure difference formed between an air inlet pipe and a cold wind ring is used to enable a pipe embryo to radially expand and realize an adjustable stretching ratio, then the pipe embryo is axially stretched to realize continuous preparation of a biaxially stretched pipe; the equipment comprises a wall thickness adjusting component, a cooling adjusting component and a blowing component, the blowing component comprises a mandrel, an opening die base, the air inlet pipe and the cold wind ring, the mandrel is arranged in the opening die base, a melt flow passage is formed between the mandrel and the opening die base, the cold wind ring is located in the peripheral region of an outlet of the melt flow passage, the air inlet pipe is arranged in the central of the mandrel, a wind outlet end of the air inlet pipe is located on the inner side of the melt flow passage; one side of the blowing component is provided with the wall thickness adjusting component, and the periphery of the blowing component is provided with the cooling adjusting component. The expanding-microshrinking biaxially-stretched pipe continuous molding method and equipment are simple in principle, an adjustable size of the pipe embryo can be realized, the product performance can be improved, and the product application range is wide.
Description
Technical field
The present invention relates to tube extrusion field shaping technique, particularly a kind of swollen-micro formula biaxial stretching pipe continuous shaping method and equipment.
Background technology
The stretch orientation process of macromolecular material be material at the temperature between vitrification point and melt temperature, under the effect of external force, the process of molecule from lack of alignment to ordered arrangement.Macromolecular chain is owing to having realized ordered arrangement, and material is anisotropy by isotropic transition, and material significantly increases along the intensity of molecular orientation direction.Utilize the orientation feature of macromolecular material, tubing is carried out to biaxial tension, can improve hoop intensity and the axial strength of tubing simultaneously, realize the raising of tubing combination property.
At present, the manufacturing technology of biaxially oriented tube is divided into two large classes: two step processing methods and a step processing method.
Two step processing methods claim again off-line (off-line) technique or (In batch) technique in batches, are characterized in extruding thick material embryo and biaxial tension orientation is carried out in two steps.Orientation be by extrusion molding and cooling tubing section (thick material embryo) be placed in mould, by heating and pressurized expansion to requiring size to realize.
One step processing method claims again (in-line) technique online.Be on tube extrusion production line, the tubing of extrusion molding (thick material embryo), the expansion by radially and axial stretching realize biaxial orientation continuously, and then cooling and shaping becomes Bidirectional tube drawing.
Early, equipment and process is fairly simple, can reach larger orientation effect, easily reaches good performance in two step processing method exploitations, and producible product scope is wider, but two traditional step processing method production efficiencys are lower, and the expenditure of labor and the energy are more.And a step processing method is developed in recent years, production efficiency is higher, and the expenditure of labor and the energy are less, but all more complicated, draw ratio regulate difficulty range of application large and product to have certain limitation for equipment and technique.Simultaneously, in two-step method and one-step method process, polymer pipe embryo is all after larger orientation, directly cooling and shaping forms Bidirectional tube drawing, in this course, the orientation of polymer molecular chain obtains the preservation of maximum efficiency, but also can cause Bidirectional tube drawing to have larger internal stress, affects the final result of use of tubing.
For the biaxial tension of order back processing squeeze that the scope of application that pipe method and apparatus exists is little, draw ratio regulate difficulty large, there is the problems such as internal stress is large, develop a kind of new pipe embryo based on internal and external pressure balance swollen-micro formula biaxial stretching pipe continuous shaping method and equipment is significant.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide that a kind of pipe embryo size is adjustable, application range of products is wider swollen-micro formula biaxial stretching pipe continuous shaping method.
Another object of the present invention is to provide a kind of for realize said method swollen-the continuously shaped equipment of micro formula biaxial stretching pipe.
Technical scheme of the present invention is: one is swollen-and micro formula biaxial stretching pipe continuous shaping method, based on inside and outside pressure balanced, first utilize the inside and outside cold air pressure differential forming between blast pipe and cold wind vane, make pipe embryo radial dilatation and realize radial drawing than adjustable, again pipe embryo is carried out to axial tension, realize continuous production biaxial stretching pipe.
Before described pipe embryo carries out axial tension, the vesicle diameter forming while carrying out adjustable pipe embryo radial dilatation by the cold air pressure in change blast pipe, the pipe thickness forming by wall thickness adjusting part adjustable pipe embryo axial tension, the cooling section length during by cooling adjusting part adjustable pipe embryo axial tension.
The present invention a kind of for said method swollen-the continuously shaped equipment of micro formula biaxial stretching pipe, comprise wall thickness adjusting part, cooling adjusting part and inflation assembly, inflation assembly comprises plug, mouthful mould matrix, air inlet pipe and cold wind vane, plug is located in mouthful mould matrix, between plug and mouthful mould matrix, form melt flow channel, cold wind vane is located at the outlet periphery of melt flow channel, and air inlet pipe is located at plug middle part, and the outlet air end of air inlet pipe is positioned at the outlet inner side of melt flow channel; One side of inflation assembly is provided with wall thickness adjusting part, and the periphery of inflation assembly is provided with cooling adjusting part.
Described cooling adjusting part comprises cooling adjusting handle, cooling adjusting rod, cross supporting frame, cross backstay, vacuum sizing sleeve and sizing positioning tie bar, cooling adjusting rod one end is fixedly connected with vacuum sizing sleeve, the cooling adjusting rod other end is through after cross supporting frame, end arranges cooling adjusting handle, cross supporting frame one side is connected with plug by cross backstay, blast pipe periphery and cross supporting frame middle part join, cross supporting frame bottom, cold wind vane bottom is connected by sizing positioning tie bar with vacuum sizing sleeve bottom, vacuum sizing sleeve and sizing positioning tie bar are slidably connected.
Described cooling adjusting rod is threaded with vacuum sizing sleeve, and adopts double nut locking.
Described vacuum sizing sleeve is positioned at the outside of cold wind vane, and vacuum sizing puts, and a side relative with cold wind vane is provided with calibrates sensor, calibrates sensor and is located at vacuum sizing by sensor holder and puts.Can measure in real time by calibrating sensor the diameter of film bubble, thereby regulate the cold air pressure in blast pipe, vesicle diameter is more stably remained within the scope of preset value.
Space between vacuum sizing sleeve and cold wind vane is that film bubble forms space, cooling section when vacuum sizing sleeve is positioned at cold air the space of side is pipe embryo axial tension beyond the Great Wall.When cooling adjusting part uses, adjustable cooling adjusting handle, drives vacuum sizing sleeve to slide along sizing positioning tie bar by cooling adjusting rod, thereby regulates the length of cooling section.
Described wall thickness adjusting part comprises cold air plug, vent plug bracing frame, vent plug locking cap, wall thickness adjusting handle, wall thickness adjusting rod and calibration sleeve bracing frame, and calibration sleeve bracing frame is located at cross supporting frame outside; The stage casing of cold air plug is positioned at air inlet pipe, and one end of cold air plug, through after calibration sleeve bracing frame, is fixedly connected with vent plug bracing frame by vent plug locking cap, in the space of the other end of cold air plug between cold wind vane and vacuum sizing sleeve; Wall thickness adjusting rod one end is fixedly connected with calibration sleeve bracing frame, and the wall thickness adjusting rod other end is through after vent plug bracing frame, and end arranges wall thickness adjusting handle; Calibration sleeve bracing frame bottom is connected with sizing positioning tie bar.
Described wall thickness adjusting rod is threaded with calibration sleeve bracing frame, and adopts double nut locking.
Beyond the Great Wall, the one end between cold wind vane and vacuum sizing sleeve in space is horizontal pyramidal structure to described cold air, and the conical outer wall of cold air plug is provided with multiple through holes.The setting of multiple through holes, can make after the chilled air cools pipe embryo of blast pipe, then from each through hole enter cold air fill in row reclaim, realization recycles, reduce energy consumption.
Described cold air, leaves space between the end between cold wind vane and vacuum sizing sleeve in space and vacuum sizing sleeve beyond the Great Wall, and gap is the outlet of pipe embryo.When wall thickness adjusting part uses, adjustable wall thickness adjusting handle, drives cold air plug to move left and right by wall thickness adjusting rod and vent plug bracing frame, regulates the pore size between cold air plug and vacuum sizing sleeve, thus the wall thickness of adjustable pipe embryo.
Above-mentioned swollen-the continuously shaped equipment of micro formula biaxial stretching pipe is while using, fused materials in extruder enters melt flow channel from mouth mould matrix, cold wind vane is to pipe embryo outer wall blowing cold air, air inlet pipe to cold high pressure air blow to pipe embryo inwall simultaneously, utilize inside and outside cold air that the fused materials in melt flow channel exit is cooled between vitrification point and melt temperature, utilize the cold high pressure air in blast pipe that the pipe embryo between vitrification point and melt temperature is blown into film bubble simultaneously; Then by cold air plug and vacuum sizing sleeve, pipe embryo is contracted to default size; Last blow extrusion pipe embryo.In said process, calibrate sensor and measure in real time tube outer diameter; Rotate wall thickness adjusting handle, can make cold air plug move left and right, the wall thickness of realizing pipe embryo regulates; Rotate cooling adjusting handle, can make vacuum sizing sleeve move left and right, realize the adjusting of cooling section length.Regulate and cooling section length adjustment by wall thickness, can meet the requirement of different material, different process, thereby make the pipe embryo forming of this equipment applicable to multiple material; Change the air pressure size of blast pipe mesohigh cold air, can change the film bubble size of blown tube embryo, change radial drawing ratio, thereby it is controlled to realize pipe performance.
The present invention, with respect to prior art, has following beneficial effect:
This swollen-micro formula biaxial stretching pipe continuous shaping method and equipment principle are simple, and easy operating and realization are controlled.Be embodied in: (1) is by regulating inside and outside cold air pressure differential size, realize the adjustable of radial drawing ratio, by adjustable pipe embryo cooling section length, realize pipe performance adjustable, make this equipment can meet the requirement of different material, different process, realize pipe performance controlled, range of application is wider simultaneously; (2) utilize micro-contraction of pipe embryo air-tightness in can holding tube embryo, realize pipe germ wall thick adjustable simultaneously, can be suitable for the requirement of different material and different process, suitable material scope and the range of work are wide, make height-oriented polymer molecular chain lax to some extent simultaneously, reduce pipe embryo internal stress, improve its serviceability; (3) this equipment easy accessibility, can directly replace traditional die head of extruder.
Brief description of the drawings
Fig. 1 is the structural representation of this swollen-continuously shaped equipment of micro formula biaxial stretching pipe.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
The present embodiment one is swollen-micro formula biaxial stretching pipe continuous shaping method, based on inside and outside pressure balanced, first utilize the inside and outside cold air pressure differential forming between blast pipe and cold wind vane, make pipe embryo radial dilatation and realize radial drawing than adjustable, again pipe embryo is carried out to axial tension, realize continuous production biaxial stretching pipe.
Before pipe embryo carries out axial tension, the vesicle diameter forming while carrying out adjustable pipe embryo radial dilatation by the cold air pressure in change blast pipe, the pipe thickness forming by wall thickness adjusting part adjustable pipe embryo axial tension, the cooling section length during by cooling adjusting part adjustable pipe embryo axial tension.
The present embodiment a kind of for said method swollen-the continuously shaped equipment of micro formula biaxial stretching pipe, comprise wall thickness adjusting part, cooling adjusting part and inflation assembly, as shown in Figure 1, inflation assembly comprises plug 11, mouthful mould matrix 12, air inlet pipe 7 and cold wind vane 13, plug is located in mouthful mould matrix, between plug and mouthful mould matrix, form melt flow channel 20, cold wind vane is located at the outlet periphery of melt flow channel, air inlet pipe is located at plug middle part, and the outlet air end of air inlet pipe is positioned at the outlet inner side of melt flow channel; One side of inflation assembly is provided with wall thickness adjusting part, and the periphery of inflation assembly is provided with cooling adjusting part.
Cooling adjusting part comprises cooling adjusting handle 8, cooling adjusting rod 14, cross supporting frame 9, cross backstay 10, vacuum sizing sleeve 15 and sizing positioning tie bar 16, cooling adjusting rod one end is fixedly connected with vacuum sizing sleeve, the cooling adjusting rod other end is through after cross supporting frame, end arranges cooling adjusting handle, cross supporting frame one side is connected with plug by cross backstay, blast pipe periphery and cross supporting frame middle part join, cross supporting frame bottom, cold wind vane bottom is connected by sizing positioning tie bar with vacuum sizing sleeve bottom, vacuum sizing sleeve and sizing positioning tie bar are slidably connected.
Cooling adjusting rod is threaded with vacuum sizing sleeve, and adopts double nut locking.
Vacuum sizing sleeve is positioned at the outside of cold wind vane, and vacuum sizing puts, and a side relative with cold wind vane is provided with calibrates sensor 19, calibrates sensor and is located at vacuum sizing by sensor holder 17 and puts.Can measure in real time by calibrating sensor the diameter of film bubble, thereby regulate the cold air pressure in blast pipe, vesicle diameter is more stably remained within the scope of preset value.
Space between vacuum sizing sleeve and cold wind vane is that film bubble forms space, cooling section when vacuum sizing sleeve is positioned at cold air the space of side is pipe embryo axial tension beyond the Great Wall.When cooling adjusting part uses, adjustable cooling adjusting handle, drives vacuum sizing sleeve to slide along sizing positioning tie bar by cooling adjusting rod, thereby regulates the length of cooling section.
Wall thickness adjusting part comprises cold air plug 1, vent plug bracing frame 2, vent plug locking cap 3, wall thickness adjusting handle 4, wall thickness adjusting rod 5 and calibration sleeve bracing frame 6, and calibration sleeve bracing frame is located at cross supporting frame outside; The stage casing of cold air plug is positioned at air inlet pipe, and one end of cold air plug, through after calibration sleeve bracing frame, is fixedly connected with vent plug bracing frame by vent plug locking cap, in the space of the other end of cold air plug between cold wind vane and vacuum sizing sleeve; Wall thickness adjusting rod one end is fixedly connected with calibration sleeve bracing frame, and the wall thickness adjusting rod other end is through after vent plug bracing frame, and end arranges wall thickness adjusting handle; Calibration sleeve bracing frame bottom is connected with sizing positioning tie bar.
Wall thickness adjusting rod is threaded with calibration sleeve bracing frame, and adopts double nut locking.
Beyond the Great Wall, the one end between cold wind vane and vacuum sizing sleeve in space is horizontal pyramidal structure to cold air, and the conical outer wall of cold air plug is provided with multiple through holes 21.The setting of multiple through holes, can make after the chilled air cools pipe embryo 18 of blast pipe, then from each through hole enter cold air fill in row reclaim, realization recycles, reduce energy consumption.
Cold air, leaves space between the end between cold wind vane and vacuum sizing sleeve in space and vacuum sizing sleeve beyond the Great Wall, and gap is the outlet of pipe embryo.When wall thickness adjusting part uses, adjustable wall thickness adjusting handle, drives cold air plug to move left and right by wall thickness adjusting rod and vent plug bracing frame, regulates the pore size between cold air plug and vacuum sizing sleeve, thus the wall thickness of adjustable pipe embryo.
Above-mentioned swollen-the continuously shaped equipment of micro formula biaxial stretching pipe is while using, fused materials in extruder enters melt flow channel from mouth mould matrix, cold wind vane is to pipe embryo outer wall blowing cold air, air inlet pipe to cold high pressure air blow to pipe embryo inwall simultaneously, utilize inside and outside cold air that the fused materials in melt flow channel exit is cooled between vitrification point and melt temperature, utilize the cold high pressure air in blast pipe that the pipe embryo between vitrification point and melt temperature is blown into film bubble simultaneously; Then by cold air plug and vacuum sizing sleeve, pipe embryo is contracted to default size; Last blow extrusion pipe embryo.In said process, calibrate sensor and measure in real time tube outer diameter; Rotate wall thickness adjusting handle, can make cold air plug move left and right, the wall thickness of realizing pipe embryo regulates; Rotate cooling adjusting handle, can make vacuum sizing sleeve move left and right, realize the adjusting of cooling section length.Regulate and cooling section length adjustment by wall thickness, can meet the requirement of different material, different process, thereby make the pipe embryo forming of this equipment applicable to multiple material; Change the air pressure size of blast pipe mesohigh cold air, can change the film bubble size of blown tube embryo, change radial drawing ratio, thereby it is controlled to realize pipe performance.
As mentioned above, just can realize preferably the present invention, above-described embodiment is only preferred embodiment of the present invention, is not used for limiting practical range of the present invention; Be that all equalizations of doing according to content of the present invention change and modify, all by the claims in the present invention scope required for protection is contained.
Claims (10)
1. swollen-micro formula biaxial stretching pipe continuous shaping method, it is characterized in that, based on inside and outside pressure balanced, first utilize the inside and outside cold air pressure differential forming between blast pipe and cold wind vane, make pipe embryo radial dilatation and realize radial drawing than adjustable, again pipe embryo is carried out to axial tension, realize continuous production biaxial stretching pipe.
According to claim 1 a kind of swollen-micro formula biaxial stretching pipe continuous shaping method, it is characterized in that, before described pipe embryo carries out axial tension, the vesicle diameter forming while carrying out adjustable pipe embryo radial dilatation by the cold air pressure in change blast pipe, the pipe thickness forming by wall thickness adjusting part adjustable pipe embryo axial tension, the cooling section length during by cooling adjusting part adjustable pipe embryo axial tension.
One kind for realize method described in claim 1 or 2 swollen-the continuously shaped equipment of micro formula biaxial stretching pipe, it is characterized in that, comprise wall thickness adjusting part, cooling adjusting part and inflation assembly, inflation assembly comprises plug, mouthful mould matrix, air inlet pipe and cold wind vane, plug is located in mouthful mould matrix, between plug and mouthful mould matrix, form melt flow channel, cold wind vane is located at the outlet periphery of melt flow channel, air inlet pipe is located at plug middle part, and the outlet air end of air inlet pipe is positioned at the outlet inner side of melt flow channel; One side of inflation assembly is provided with wall thickness adjusting part, and the periphery of inflation assembly is provided with cooling adjusting part.
According to claim 3 a kind of swollen-the continuously shaped equipment of micro formula biaxial stretching pipe, it is characterized in that, described cooling adjusting part comprises cooling adjusting handle, cooling adjusting rod, cross supporting frame, cross backstay, vacuum sizing sleeve and sizing positioning tie bar, cooling adjusting rod one end is fixedly connected with vacuum sizing sleeve, the cooling adjusting rod other end is through after cross supporting frame, end arranges cooling adjusting handle, cross supporting frame one side is connected with plug by cross backstay, blast pipe periphery and cross supporting frame middle part join, cross supporting frame bottom, cold wind vane bottom is connected by sizing positioning tie bar with vacuum sizing sleeve bottom, vacuum sizing sleeve and sizing positioning tie bar are slidably connected.
According to claim 4 a kind of swollen-the continuously shaped equipment of micro formula biaxial stretching pipe, it is characterized in that, described cooling adjusting rod is threaded with vacuum sizing sleeve, and adopts double nut locking.
According to claim 4 a kind of swollen-the continuously shaped equipment of micro formula biaxial stretching pipe, it is characterized in that, described vacuum sizing sleeve is positioned at the outside of cold wind vane, vacuum sizing puts, a side relative with cold wind vane is provided with calibrates sensor, calibrates sensor and is located at vacuum sizing by sensor holder and puts.
According to claim 4 a kind of swollen-the continuously shaped equipment of micro formula biaxial stretching pipe, it is characterized in that, described wall thickness adjusting part comprises cold air plug, vent plug bracing frame, vent plug locking cap, wall thickness adjusting handle, wall thickness adjusting rod and calibration sleeve bracing frame, and calibration sleeve bracing frame is located at cross supporting frame outside; The stage casing of cold air plug is positioned at air inlet pipe, and one end of cold air plug, through after calibration sleeve bracing frame, is fixedly connected with vent plug bracing frame by vent plug locking cap, in the space of the other end of cold air plug between cold wind vane and vacuum sizing sleeve; Wall thickness adjusting rod one end is fixedly connected with calibration sleeve bracing frame, and the wall thickness adjusting rod other end is through after vent plug bracing frame, and end arranges wall thickness adjusting handle; Calibration sleeve bracing frame bottom is connected with sizing positioning tie bar.
According to claim 7 a kind of swollen-the continuously shaped equipment of micro formula biaxial stretching pipe, it is characterized in that, described wall thickness adjusting rod is threaded with calibration sleeve bracing frame, and adopts double nut locking.
According to claim 7 a kind of swollen-the continuously shaped equipment of micro formula biaxial stretching pipe, it is characterized in that, beyond the Great Wall, the one end between cold wind vane and vacuum sizing sleeve in space is horizontal pyramidal structure to described cold air, and the conical outer wall of cold air plug is provided with multiple through holes.
According to claim 7 a kind of swollen-the continuously shaped equipment of micro formula biaxial stretching pipe, it is characterized in that, described cold air, leaves space between the end between cold wind vane and vacuum sizing sleeve in space and vacuum sizing sleeve beyond the Great Wall, and gap is the outlet of pipe embryo.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410206555.1A CN104002465B (en) | 2014-05-15 | 2014-05-15 | A kind of swollen-micro formula biaxial stretching pipe continuous shaping method and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410206555.1A CN104002465B (en) | 2014-05-15 | 2014-05-15 | A kind of swollen-micro formula biaxial stretching pipe continuous shaping method and equipment |
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| CN104002465A true CN104002465A (en) | 2014-08-27 |
| CN104002465B CN104002465B (en) | 2016-06-29 |
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| CN201410206555.1A Expired - Fee Related CN104002465B (en) | 2014-05-15 | 2014-05-15 | A kind of swollen-micro formula biaxial stretching pipe continuous shaping method and equipment |
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Cited By (8)
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| CN104999637A (en) * | 2015-06-16 | 2015-10-28 | 华南理工大学 | Large-section hollow profile extrusion forming method and device with small-opening die utilized |
| CN105150497A (en) * | 2015-09-11 | 2015-12-16 | 长飞光纤光缆股份有限公司 | Cooling length adjustable multipath efficient plastic pipe cooling device and method |
| CN106608035A (en) * | 2015-10-23 | 2017-05-03 | 上海长园电子材料有限公司 | Pipe extrusion forming device and system |
| CN110406125A (en) * | 2019-08-09 | 2019-11-05 | 广东安德力新材料有限公司 | Heat shrink films and preparation method thereof |
| CN112297384A (en) * | 2020-10-10 | 2021-02-02 | 浙江乐信医疗科技有限公司 | Medical tube extrusion molding method |
| CN114474673A (en) * | 2021-12-30 | 2022-05-13 | 金纬机械(海宁)有限公司 | Barrel cooling device for double-screw extruder |
| CN114770916A (en) * | 2022-05-12 | 2022-07-22 | 海生医疗科技(湖州)有限公司 | Pyrocondensation pipe stretching device |
| CN115027039A (en) * | 2022-06-14 | 2022-09-09 | 福建聚华新材料科技有限公司 | System for high-quality production PE membrane |
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| CN105150497A (en) * | 2015-09-11 | 2015-12-16 | 长飞光纤光缆股份有限公司 | Cooling length adjustable multipath efficient plastic pipe cooling device and method |
| CN106608035A (en) * | 2015-10-23 | 2017-05-03 | 上海长园电子材料有限公司 | Pipe extrusion forming device and system |
| CN110406125A (en) * | 2019-08-09 | 2019-11-05 | 广东安德力新材料有限公司 | Heat shrink films and preparation method thereof |
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| CN114474673A (en) * | 2021-12-30 | 2022-05-13 | 金纬机械(海宁)有限公司 | Barrel cooling device for double-screw extruder |
| CN114474673B (en) * | 2021-12-30 | 2022-08-23 | 金纬机械(海宁)有限公司 | Barrel cooling device for double-screw extruder |
| CN114770916A (en) * | 2022-05-12 | 2022-07-22 | 海生医疗科技(湖州)有限公司 | Pyrocondensation pipe stretching device |
| CN114770916B (en) * | 2022-05-12 | 2023-11-28 | 海生医疗科技(湖州)有限公司 | Thermal shrinkage pipe stretching device |
| CN115027039A (en) * | 2022-06-14 | 2022-09-09 | 福建聚华新材料科技有限公司 | System for high-quality production PE membrane |
| CN115027039B (en) * | 2022-06-14 | 2024-02-02 | 福建聚华新材料科技有限公司 | System for high-quality production PE membrane |
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