CN111823622A - Polytetrafluoroethylene pipe and preparation method thereof - Google Patents
Polytetrafluoroethylene pipe and preparation method thereof Download PDFInfo
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- CN111823622A CN111823622A CN202010418262.5A CN202010418262A CN111823622A CN 111823622 A CN111823622 A CN 111823622A CN 202010418262 A CN202010418262 A CN 202010418262A CN 111823622 A CN111823622 A CN 111823622A
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- polytetrafluoroethylene
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- extruder barrel
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- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims abstract description 73
- 239000004810 polytetrafluoroethylene Substances 0.000 title claims abstract description 73
- -1 Polytetrafluoroethylene Polymers 0.000 title claims abstract description 72
- 238000002360 preparation method Methods 0.000 title claims abstract description 66
- 238000003756 stirring Methods 0.000 claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 239000002245 particle Substances 0.000 claims abstract description 19
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 238000012545 processing Methods 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims description 31
- 238000004513 sizing Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 21
- 238000001914 filtration Methods 0.000 claims description 18
- 230000001681 protective effect Effects 0.000 claims description 17
- 239000011347 resin Substances 0.000 claims description 11
- 229920005989 resin Polymers 0.000 claims description 11
- 239000000835 fiber Substances 0.000 claims description 10
- 230000003993 interaction Effects 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 239000006185 dispersion Substances 0.000 claims description 4
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 4
- 238000005469 granulation Methods 0.000 abstract description 3
- 230000003179 granulation Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000001012 protector Effects 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/16—Cooling
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/16—Cooling
- B29C2035/1616—Cooling using liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
- B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Abstract
The invention discloses a polytetrafluoroethylene pipe and a preparation method thereof, and relates to the technical field of polytetrafluoroethylene preparation. According to the invention, through the arrangement of the first preparation frame and the second preparation frame, the polytetrafluoroethylene can be subjected to sufficient heating and stirring treatment vertically, raw materials placed inside can be mixed more sufficiently, the meltable polytetrafluoroethylene is completely in a molten state through heating, meanwhile, the meltable polytetrafluoroethylene particles after granulation can be heated to the molten state through the arrangement of the second preparation frame, sufficient mixing and stirring treatment can be carried out, and convenience is provided for the processing of polytetrafluoroethylene pipes.
Description
Technical Field
The invention relates to the technical field of polytetrafluoroethylene pipes, in particular to a polytetrafluoroethylene pipe and a preparation method thereof.
Background
Polytetrafluoroethylene (Teflon or PTFE), commonly known as "plastic king", is a high molecular compound prepared by polymerizing tetrafluoroethylene, has excellent chemical stability, corrosion resistance, sealing property, high lubrication non-adhesiveness, electrical insulation property and good anti-aging endurance, and attracts people's attention with the continuous development and progress of times.
The preparation of polytetrafluoroethylene tubular product on the market is difficult for the user to operate according to actual conditions in the use, inconvenience is protected user itself to and inconvenient overhauls and maintains heating element, and the structure is loaded down with trivial details, and inconvenient user operates, and the use of giving the user brings inconvenience, and the inconvenient linking between the polytetrafluoroethylene tubular product manufacturing procedure in the use, is difficult for the user to operate, for this reason, we have provided a polytetrafluoroethylene tubular product and preparation method thereof.
Disclosure of Invention
The invention aims to provide a polytetrafluoroethylene tube and a preparation method thereof, and aims to solve the problems that the preparation of the polytetrafluoroethylene tube in the background technology is not easy to be operated by a user according to actual conditions, is inconvenient to protect the user, is inconvenient to overhaul and maintain a heating assembly, is complex in structure, is inconvenient to operate by the user, brings inconvenience to the use of the user, is inconvenient to link polytetrafluoroethylene tube processing procedures in the use process, and is not easy to be operated by the user.
In order to achieve the purpose, the invention provides the following technical scheme: a polytetrafluoroethylene pipe and a preparation method thereof comprise a first outer protective shell and a guide cover, wherein a first motor is arranged inside the first outer protective shell, a stirring shaft is arranged outside the bottom of the first motor, a first preparation frame is arranged outside the stirring shaft, protective devices are arranged at two ends of the outside of the bottom of the first preparation frame, one end of the outside of each protective device is provided with a connecting groove, a first extruder barrel body is arranged outside the bottom of the connecting groove, a first gear is arranged at the right end of the outside of the first extruder barrel body, an auxiliary device is arranged at one end of the outside of the first gear, the guide cover is positioned at the left end of the outside of the first extruder barrel body, a granulator is arranged at one end of the outside of the bottom of the guide cover, a feeding port is arranged at one end of the outside of the granulator, a second outer protective shell is arranged at one end of the outside of the feeding port, and a second preparation frame is arranged outside the bottom, the externally mounted of second preparation frame bottom has the second extruder barrel, and the outside left end of second extruder barrel is provided with the second gear, in case install power component in the outside of second gear, the outside right-hand member of second extruder barrel is provided with the mould chamber, and the externally mounted in mould chamber has the grip block, the external connection at grip block top has first hydraulic pressure gas pole, the outside at first hydraulic pressure gas pole top is provided with adjusting device, and the outside one end in adjusting device bottom installs the vacuum sizing storehouse, the outside one end in vacuum sizing storehouse is provided with the cooling groove, and the internally mounted in cooling groove has filter equipment, the outside of first preparation frame front end is provided with first preparation frame.
Preferably, the auxiliary device comprises a top plate, an encoder and an outer casing, the top plate is arranged outside the top of the auxiliary device, the encoder is arranged outside the top plate, and the outer casing is arranged at the right end outside the auxiliary device.
Preferably, the outer housing is connected with one end of the outer portion of the top plate in a clamping mode, and the inner portion of the top plate is hollow.
Preferably, adjusting device includes slide, connecting band, links up the piece, rotates pivot and spacing lagging, and the inside middle part of adjusting device is provided with the slide, the outside both ends of slide all install and link up the piece, and link up the inside middle part of piece and run through and have the rotation pivot, the outside middle part of rotation pivot is provided with spacing lagging, the outside surface mounting at first hydraulic pressure gas pole top has the connecting band.
Preferably, the middle part inside the connecting block is tightly attached to the rotating shaft, the middle part outside the rotating shaft is movably connected with the limiting sleeve plate, one end outside the limiting sleeve plate is connected with the first hydraulic air rod in a welding mode, and the number of the first hydraulic air rods is two.
Preferably, the storage device is connected with the telescopic frame in a welding mode, the storage device forms a lifting structure through the telescopic frame, the hydraulic cylinder and the movable bottom plate, and the outer portion of the movable bottom plate is movably connected with the inner portion of the placing bottom plate.
Preferably, the mounting device comprises a mounting plate and a limiting groove, the mounting plate is arranged in the mounting device, the limiting groove is arranged at the corner outside the rear end of the mounting plate, the limiting groove and the mounting device are of an integrated structure, and the shape structure inside the limiting groove is matched with the shape structure outside the rear end of the mounting plate.
Preferably, the fixing device is hollow, the fixing device is tightly attached to the electric push rod, one end of the outer portion of the electric push rod is connected with the fixing plate in an adhesive mode, and the fixing plate is symmetrically distributed around the center of the horizontal plate.
Preferably, filter equipment includes second hydraulic pressure gas pole, filter layer, baffle and fixture block, and the inside one end of filter equipment is provided with second hydraulic pressure gas pole, the fixture block is installed to the outside one end of filter equipment, and the outside one end of fixture block is connected with the filter layer, the baffle is installed to the outside one end of filter layer, and baffle and cooling tank structure as an organic whole, protector is including connecting lagging and loose axle, and the middle part of the inside one end of protector runs through there is the loose axle, the outside middle part of loose axle is swing joint with protector, and the outside both ends of protector all install connecting lagging to the inside middle part of connecting lagging is closely laminated with the loose axle.
Based on the structure, the invention also discloses a polytetrafluoroethylene tube and a preparation method and an operation method thereof.
Optionally, the method comprises the following steps:
the method comprises the following steps: firstly, selecting polytetrafluoroethylene dispersion resin, processing to obtain superfine fibers, then placing soluble tetrafluoroethylene resin in a first preparation frame for heating, and uniformly stirring and mixing to a molten state;
step two: then placing the obtained superfine fiber in the first preparation frame for mixing and stirring again, and heating the superfine fiber until the internal blank is heated to a molten state;
step three: then, the interaction of the auxiliary device, the top plate, the encoder, the outer housing and the first gear drives the barrel body of the first extruder to operate, the uniformly mixed blank can be extruded out through the barrel body of the first extruder to obtain a soluble polytetrafluoroethylene rod, and then a granulator is used for granulating the soluble polytetrafluoroethylene rod to obtain soluble polytetrafluoroethylene particles;
step four: secondly, stirring and heating the obtained soluble polytetrafluoroethylene particles through a second preparation frame, continuously stirring and heating the soluble polytetrafluoroethylene particles to a completely molten state, and then pushing and extruding a blank through a second extruder barrel body, namely a screw extruder;
step five: and finally, placing the blank inside a die cavity, carrying out primary sizing, sizing in a vacuum sizing bin after finishing sizing, and finally cooling and molding in a cooling groove to obtain the polytetrafluoroethylene pipe.
The invention provides a polytetrafluoroethylene tube and a preparation method thereof, and the polytetrafluoroethylene tube has the following beneficial effects:
1. according to the invention, through the arrangement of the auxiliary device, the top plate, the encoder and the outer housing, the auxiliary device is a power motor, the operation condition of the motor can be detected by utilizing the action of the encoder, the flexibility of the first extruder during operation is increased, the outer housing and the top plate are mutually clamped together, meanwhile, the outer housing is of a hollow structure, the outer housing can be used for blocking external dust while ventilating and radiating the operating auxiliary device, the outer housing can be pulled outwards in the long-time use process to be separated from the top plate, a user can conveniently clean the outer housing, and a good ventilation effect is kept.
2. According to the invention, through the arrangement of the adjusting device, the slide way, the connecting belt, the connecting block, the rotating shaft and the limiting sleeve plate, the distance between the two first hydraulic air rods can be adjusted by utilizing the interaction of the connecting block, the rotating shaft and the limiting sleeve plate, so that a user can conveniently clamp the die cavity by utilizing the clamping block at the bottom of the first hydraulic air rod according to the requirement, polytetrafluoroethylene particles extruded by pushing and pressing are conveniently put into the die cavity for preliminary molding treatment, the user does not need to contact the die cavity in a short distance, burn caused by overhigh temperature is avoided, and potential safety hazards are reduced.
3. According to the invention, through the arrangement of the first preparation frame and the second preparation frame, the polytetrafluoroethylene can be subjected to sufficient heating and stirring treatment vertically, raw materials placed inside can be mixed more sufficiently, the meltable polytetrafluoroethylene is completely in a molten state through heating, meanwhile, the meltable polytetrafluoroethylene particles after granulation can be heated to the molten state through the arrangement of the second preparation frame, sufficient mixing and stirring treatment can be carried out, and convenience is provided for the processing of polytetrafluoroethylene pipes.
4. According to the invention, through the arrangement of the mounting device, the mounting plate and the limiting groove, the heat insulation layer made of foam is arranged on the outer surface of the mounting plate, so that the possibility that external personnel touch the preparation frame by mistake is reduced while the heat is preserved in the preparation frame, the potential safety hazard is reduced, the mounting plate can be pulled outwards in the long-time use process, the mounting plate is separated from the inside of the limiting groove, a user can replace the mounting plate conveniently, and meanwhile, the user can overhaul and maintain the heating wire outside the rear end of the mounting plate conveniently.
5. According to the invention, through the arrangement of the filtering device, the second hydraulic air rod, the filtering layer, the partition plate and the fixture block, the interior of the cooling tank is hollow and is stored with cooling water, when the cooling tank is used for cooling and shaping a pipe, impurities in water can be blocked by the stainless steel filtering layer with a certain mesh opening arranged inside, more particles are prevented from being attached to the interior of the cooling tank, the cleaning by a user is inconvenient, the filtering layer is not required to be manually detached and cleaned by the user, scalding caused by high water temperature is avoided, meanwhile, the shielding protection can be carried out from the two sides of the first preparation frame by the interaction of the connecting sleeve plate and the movable shaft, liquid is prevented from splashing out after the stirring of the material is finished, and the protection degree of the user is increased.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the adjusting device of the present invention;
FIG. 3 is a schematic view of the external structure of a first fabrication frame according to the present invention;
FIG. 4 is a schematic view of the internal structure of the cooling tank of the present invention;
fig. 5 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.
In the figure: 1. a first outer jacket; 2. a first motor; 3. a first preparation frame; 4. a stirring shaft; 5. connecting grooves; 6. a first extruder barrel; 7. a first gear; 8. an auxiliary device; 801. a top plate; 802. an encoder; 803. an outer casing; 9. a guide cover; 10. a granulator; 11. a second outer protective shell; 12. a feeding port; 13. a second preparation frame; 14. a second extruder barrel; 15. a second gear; 16. a power assembly; 17. an adjustment device; 1701. a slideway; 1702. a connecting belt; 1703. a joining block; 1704. rotating the rotating shaft; 1705. a limiting sleeve plate; 18. a first hydraulic gas lever; 19. a clamping block; 20. a mold cavity; 21. a vacuum sizing bin; 22. a cooling tank; 23. a mounting device; 2301. mounting a plate; 2302. a limiting groove; 24. a filtration device; 2401. a second hydraulic gas lever; 2402. a filter layer; 2403. a partition plate; 2404. a clamping block; 25. a guard; 2501. connecting the sleeve plate; 2502. a movable shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, the present invention provides a technical solution: a polytetrafluoroethylene tube and a preparation method thereof, comprising a first outer casing 1, a first motor 2, a first preparation frame 3, a stirring shaft 4, a connecting groove 5, a first extruder barrel 6, a first gear 7, an auxiliary device 8, a top plate 801, an encoder 802, an outer casing 803, a guide cover 9, a granulator 10, a second outer casing 11, a feeding port 12, a second preparation frame 13, a second extruder barrel 14, a second gear 15, a power assembly 16, an adjusting device 17, a slideway 1701, a connecting belt 1702, a joining block 1703, a rotating shaft 1704, a limiting sleeve plate 1705, a first hydraulic air rod 18, a clamping block 19, a mold cavity 20, a vacuum sizing bin 21, a cooling groove 22, a mounting device 23, a mounting plate 2301, a limiting groove, a filtering device 2302 24, a second hydraulic air rod 2401, a filtering layer 2402, a partition plate 2403, a clamping block 2404, a protective device 25, a connecting sleeve plate 2501 and a movable shaft 2502, wherein the first motor 2 is arranged in the first outer casing 1, the stirring shaft 4 is arranged outside the bottom of the first motor 2, the first preparation frame 3 is arranged outside the stirring shaft 4, the protection devices 25 are arranged at two ends of the outside of the bottom of the first preparation frame 3, the connecting groove 5 is arranged at one end of the outside of the protection device 25, the first extruder barrel body 6 is arranged outside the bottom of the connecting groove 5, the first gear 7 is arranged at the right end of the outside of the first extruder barrel body 6, the auxiliary device 8 is arranged at one end of the outside of the first gear 7, the auxiliary device 8 comprises a top plate 801, an encoder 802 and an outer housing 803, the top plate 801 is arranged outside the top of the auxiliary device 8, the encoder 802 is arranged outside the top plate 801, the outer housing 803 is arranged at the right end of the outside of the auxiliary device 8, the outer housing 803 is connected with one end of the outside of the top plate 801 in a clamping manner, the inside of the top plate 801 is hollow, the auxiliary device 8 is a power motor, and, the flexibility of the first extruder barrel body 6 during operation is increased, the outer housing 803 and the top plate 801 are mutually clamped together, meanwhile, the outer housing 803 is in a hollow structure, so that the auxiliary device 8 during operation can be ventilated and cooled, and simultaneously, external dust is blocked, the outer housing 803 can be pulled outwards in a long-time use process to be separated from the top plate 801, a user can conveniently clean the outer housing 803, and a good ventilation effect is kept;
the guide cover 9 is positioned at the left end outside the first extruder barrel body 6, the granulator 10 is arranged at one end outside the bottom of the guide cover 9, the feeding port 12 is installed at one end outside the granulator 10, the second outer protective shell 11 is arranged at one end outside the feeding port 12, the second preparation frame 13 is arranged outside the bottom of the second outer protective shell 11, the second extruder barrel body 14 is installed outside the bottom of the second preparation frame 13, the second gear 15 is arranged at the left end outside the second extruder barrel body 14, once the power assembly 16 is installed outside the second gear 15, the mold cavity 20 is arranged at the right end outside the second extruder barrel body 14, the clamping block 19 is installed outside the mold cavity 20, the first hydraulic air rod 18 is connected outside the top of the clamping block 19, the adjusting device 17 is arranged outside the top of the first hydraulic air rod 18, and the vacuum sizing bin 21 is installed at one end outside the bottom of the adjusting device 17, the adjusting device 17 comprises a slideway 1701, a connecting belt 1702, a connecting block 1703, a rotating shaft 1704 and a position limiting sleeve plate 1705, the slideway 1701 is arranged in the middle of the inside of the adjusting device 17, the connecting blocks 1703 are mounted at both ends of the outside of the slideway 1701, the rotating shaft 1704 penetrates through the middle of the inside of the connecting block 1703, the middle of the inside of the connecting block 1703 is tightly attached to the rotating shaft 1704, the middle of the outside of the rotating shaft 1704 is movably connected with the position limiting sleeve plate 1705, one end of the outside of the position limiting sleeve plate 1705 is connected with the first hydraulic air rods 18 in a welding manner, two first hydraulic air rods 18 are arranged, the distance between the two first hydraulic air rods 18 can be adjusted by utilizing the interaction of the connecting block 1703, the rotating shaft 1704 and the position limiting sleeve plate 1705, a user can conveniently clamp the mold cavity 20 by utilizing the clamping block 19 at the bottom of the first hydraulic air rods 18 as required, and can conveniently enter the mold cavity 20 for preliminary molding treatment by pushing and extruding polytetrafluoroethylene particles, a user does not need to contact the mold cavity 20 in a short distance, burns caused by overhigh temperature are avoided, potential safety hazards are reduced, the polytetrafluoroethylene can be subjected to sufficient heating and stirring treatment vertically, raw materials placed inside the polytetrafluoroethylene can be mixed sufficiently, the meltable polytetrafluoroethylene is completely in a molten state by heating, meanwhile, the meltable polytetrafluoroethylene particles after granulation are heated to the molten state by the aid of the second preparation frame 13, sufficient mixing and stirring treatment can be carried out, and convenience is brought to processing of polytetrafluoroethylene pipes;
a limiting sleeve plate 1705 is arranged in the middle of the outer portion of the rotating shaft 1704, a connecting belt 1702 is arranged on the outer surface of the top of the first hydraulic air rod 18, a cooling groove 22 is arranged at one end of the outer portion of the vacuum sizing bin 21, a filtering device 24 is arranged in the cooling groove 22, the filtering device 24 comprises a second hydraulic air rod 2401, a filtering layer 2402, a partition plate 2403 and a clamping block 2404, the second hydraulic air rod 2401 is arranged at one end of the inner portion of the filtering device 24, the clamping block 2404 is arranged at one end of the outer portion of the filtering device 24, the filtering layer 2402 is connected to one end of the outer portion of the clamping block 2404, the partition plate 2403 and the cooling groove 22 are of an integrated structure, the protecting device 25 comprises a connecting sleeve plate 2501 and a movable shaft 2502, the movable shaft 2502 penetrates through the middle of one end of the inner portion of the protecting device 25, the middle of the outer portion of the movable shaft 2502 is movably connected with the protecting device 25, and the connecting, the middle part of the inside of the connecting sleeve plate 2501 is tightly attached to the movable shaft 2502, the inside of the cooling groove 22 is hollow, cooling water is stored, when the cooling groove 22 is used for cooling and shaping the pipe, a stainless steel filter layer 2402 with a certain mesh hole arranged inside can be used for blocking impurities in water, more particles are prevented from being attached to the inside of the cooling groove 22, cleaning by a user is inconvenient, the filter layer 2402 does not need to be manually disassembled and cleaned by the user, scalding due to high water temperature is avoided, shielding protection can be performed from two sides of the first preparation frame 3 by the interaction of the connecting sleeve plate 2501 and the movable shaft 2502, liquid is prevented from being splashed out after the stirring of the material, and the protection degree of the user is increased;
the first preparation frame 3 is arranged outside the front end of the first preparation frame 3, the mounting device 23 comprises a mounting plate 2301 and a limiting groove 2302, and the mounting plate 2301 is arranged in the mounting device 23, the limiting groove 2302 and the mounting device 23 are of an integrated structure, the shape structure of the inner part of the limiting groove 2302 is matched with the shape structure of the outer part of the rear end of the mounting plate 2301, and the outer surface of the mounting plate 2301 is provided with a heat insulation layer made of foam, so that the possibility that external personnel touch the preparation frame by mistake is reduced while the heat insulation is performed on the inner part of the preparation frame, the potential safety hazard is reduced, the mounting plate 2301 can be pulled outwards in a long-term use process, so that the mounting plate 2301 is separated from the inside of the limit groove 2302, a user can conveniently replace the mounting plate 2301, meanwhile, the user can conveniently overhaul and maintain the external heating wire at the rear end of the mounting plate 2301;
the method comprises the following steps: firstly, selecting polytetrafluoroethylene dispersion resin, processing to obtain superfine fibers, then placing soluble tetrafluoroethylene resin in a first preparation frame 3 for heating, and uniformly stirring and mixing to a molten state;
step two: then placing the obtained superfine fiber in the first preparation frame 3 for mixing and stirring again, and heating at the same time until the internal blank is heated to a molten state;
step three: then, the interaction of the auxiliary device 8, the top plate 801, the encoder 802, the outer housing 803 and the first gear 7 drives the first extruder barrel 6 to operate, the uniformly mixed blank can be extruded through the first extruder barrel 6 to obtain a soluble polytetrafluoroethylene rod, and then the soluble polytetrafluoroethylene rod is granulated by the granulator 10 to obtain soluble polytetrafluoroethylene particles;
step four: secondly, stirring and heating the obtained soluble polytetrafluoroethylene particles through a second preparation frame 13, continuously stirring and heating the soluble polytetrafluoroethylene particles to a completely molten state, and then pushing and extruding a blank through a second extruder barrel body 14, namely a screw extruder;
step five: and finally, placing the blank inside a die cavity 20, carrying out primary sizing, sizing the blank in a vacuum sizing bin 21 after finishing the primary sizing, and finally cooling and molding the blank in a cooling groove 22 to obtain the polytetrafluoroethylene pipe.
In summary, when the medical image CT device with the human body protection mechanism and the operation method thereof are used, firstly, the superfine short fiber processed by polytetrafluoroethylene dispersion resin is selected, the linear density of the superfine short fiber is 1-5den, the length is 0.5-5mm, the thermal shrinkage rate is less than 3%, then the meltable polytetrafluoroethylene resin is placed in the first preparation frame 3, then the stirring shaft 4 can be rotated by the action of the first motor 2 with the model of Y280M-2, the meltable polytetrafluoroethylene resin in the first preparation frame 3 can be fully and uniformly stirred by the rotation, the heating wire with the model of A2020 is arranged in the first preparation frame 3, the meltable polytetrafluoroethylene resin in the first preparation frame 3 can be heated, the meltable polytetrafluoroethylene resin can be completely in a molten state by heating, and then the heating wire passes through the feeding opening, superfine short fibers are placed inside a first preparation frame 3 and are uniformly mixed, then an auxiliary device 8, a top plate 801 and an encoder 802 are started to operate a first extruder cylinder body 6, so that mixed raw materials can be extruded into a solid rod-shaped object with the diameter of 1-5mm under the action of the first extruder cylinder body 6, when the solid rod-shaped object enters the first extruder cylinder body 6, the solid rod-shaped object can be shielded and protected from two sides of the first preparation frame 3 by utilizing the interaction of a connecting sleeve plate 2501 and a movable shaft 2502, liquid splashing is avoided after the stirring of the materials is finished, the protection degree of a user is increased, the extruded solid rod-shaped object can be granulated by a granulator 10, so that soluble polytetrafluoroethylene particles can be obtained, then the soluble polytetrafluoroethylene particles can be heated to a molten state under the action of a second preparation frame 13, and then the uniformly mixed blank enters a second extruder cylinder body 14, namely, the inside of the screw extruder is extruded, the extruded blank is placed in the die cavity 20, the primary shaping treatment is carried out through the die cavity 20, then a user can adjust the distance between the two first hydraulic air rods 18 and the clamping block 19 through the interaction of the connecting band 1702, the connecting block 1703, the rotating shaft 1704 and the limiting sleeve plate 1705, the user can conveniently clamp and move the die cavity 20 between the two first hydraulic air rods 18 and the clamping block 19, so that the die cavity 20 can enter the vacuum sizing bin 21 for sizing treatment and finally enter the cooling groove 22, the inside of the cooling groove 22 is hollow and is stored with cooling water, when the cooling groove 22 is utilized to cool and shape the tube, the stainless steel filter layer 2402 with certain meshes arranged inside is utilized to separate impurities in water, and more particles are prevented from being attached to the inside of the cooling groove 22, the filter layer 2402 is adjusted in height up and down by utilizing the interaction of the second hydraulic air rod 2401, so that the user can clean the objects on the surface of the filter layer 2402 conveniently, and a polytetrafluoroethylene tube can be obtained after cooling and shaping are finished, thereby completing the using process of the whole medical image CT device with the human body protection mechanism and the operating method thereof.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (9)
1. A polytetrafluoroethylene pipe and a preparation method thereof comprise a first outer protective shell (1) and a guide cover (9), and are characterized in that: a first motor (2) is arranged inside the first outer protective shell (1), a stirring shaft (4) is arranged outside the bottom of the first motor (2), a first preparation frame (3) is arranged outside the stirring shaft (4), protective devices (25) are arranged at two ends of the outside of the bottom of the first preparation frame (3), a connecting groove (5) is arranged at one end of the outside of each protective device (25), a first extruder barrel body (6) is arranged outside the bottom of the connecting groove (5), a first gear (7) is arranged at the right end of the outside of the first extruder barrel body (6), an auxiliary device (8) is arranged at one end of the outside of the first gear (7), a guide cover (9) is positioned at the left end of the outside of the first extruder barrel body (6), a granulator (10) is arranged at one end of the outside of the bottom of the guide cover (9), and a feeding port (12) is arranged at one end of the outside of the guide cover (10), the outer one end of pan feeding mouth (12) outside is provided with second shell (11), and the outside of second shell (11) bottom is provided with second preparation frame (13), the externally mounted of second preparation frame (13) bottom has second extruder barrel (14), and the outside left end of second extruder barrel (14) is provided with second gear (15), in case power component (16) is installed to second gear (15) outside, the outside right-hand member of second extruder barrel (14) outside is provided with mould chamber (20), and the externally mounted in mould chamber (20) has grip block (19), the external connection at grip block (19) top has first hydraulic pressure gas pole (18), the outside at first hydraulic pressure gas pole (18) top is provided with adjusting device (17), and vacuum sizing storehouse (21) is installed to the outside one end in adjusting device (17) bottom, the vacuum sizing bin is characterized in that a cooling groove (22) is formed in one end of the outer portion of the vacuum sizing bin (21), a filtering device (24) is arranged inside the cooling groove (22), and an installation device (23) is arranged on the outer portion of the front end of the first preparation frame (3).
2. A polytetrafluoroethylene tube and a method of making the same according to claim 1, wherein: auxiliary device (8) include roof (801), encoder (802) and dustcoat (803), and the outside at auxiliary device (8) top is provided with roof (801), the externally mounted of roof (801) has encoder (802), the outside right-hand member of auxiliary device (8) is provided with dustcoat (803).
3. A polytetrafluoroethylene tube and a method for making the same according to claim 2, wherein: the outer cover shell (803) is connected with one end of the outer portion of the top plate (801) in a clamping mode, and the inner portion of the top plate (801) is hollow.
4. A polytetrafluoroethylene tube and a method of making the same according to claim 1, wherein: adjusting device (17) include slide (1701), connecting band (1702), link up piece (1703), rotation pivot (1704) and spacing sleeve board (1705), and the inside middle part of adjusting device (17) is provided with slide (1701), link up piece (1703) is all installed at the outside both ends of slide (1701), and link up the inside middle part of piece (1703) and run through rotation pivot (1704), the outside middle part of rotation pivot (1704) is provided with spacing sleeve board (1705), the outside surface mounting at first hydraulic pressure gas pole (18) top has connecting band (1702).
5. A polytetrafluoroethylene tube and a method for making the same according to claim 4, wherein: the middle part inside the connecting block (1703) is tightly attached to the rotating shaft (1704), the middle part outside the rotating shaft (1704) is movably connected with the limiting sleeve plate (1705), one end outside the limiting sleeve plate (1705) is connected with the first hydraulic air rod (18) in a welding mode, and the number of the first hydraulic air rods (18) is two.
6. A polytetrafluoroethylene tube and a method for making the same according to claim 4, wherein: the mounting device (23) comprises a mounting plate (2301) and a limiting groove (2302), and the mounting plate (2301) is arranged inside the mounting device (23).
7. A polytetrafluoroethylene tube and a method for making the same according to claim 6, wherein: the limiting groove (2302) and the mounting device (23) are of an integrated structure, and the shape structure of the inside of the limiting groove (2302) is matched with the shape structure of the outside of the rear end of the mounting plate (2301).
8. A polytetrafluoroethylene tube and a method for making the same according to claim 7, wherein: the filtering device (24) comprises a second hydraulic air rod (2401), a filtering layer (2402), a partition plate (2403) and a fixture block (2404), a second hydraulic air rod (2401) is arranged at one end inside the filtering device (24), a clamping block (2404) is arranged at one end outside the filtering device (24), and one end of the outside of the clamping block (2404) is connected with a filter layer (2402), one end of the outside of the filter layer (2402) is provided with a clapboard (2403), and the baffle plate (2403) and the cooling groove (22) are integrated, the protective device (25) comprises a connecting sleeve plate (2501) and a movable shaft (2502), and a movable shaft (2502) penetrates through the middle part of one end inside the protective device (25), the middle part of the outer part of the movable shaft (2502) is movably connected with a protective device (25), and both ends of the outer part of the protective device (25) are provided with connecting sleeve plates (2501), and the middle part inside the connecting sleeve plate (2501) is tightly attached to the movable shaft (2502).
9. A polytetrafluoroethylene tube and an operation method of a preparation method thereof are characterized in that: the polytetrafluoroethylene tube and the preparation method thereof according to any one of claims 1-8 are arranged in the method, wherein the method comprises the following steps:
the method comprises the following steps: firstly, selecting polytetrafluoroethylene dispersion resin, processing to obtain superfine fibers, then placing soluble tetrafluoroethylene resin in a first preparation frame (3) for heating, and uniformly stirring and mixing to a molten state;
step two: then placing the obtained superfine fiber in the first preparation frame (3) for mixing and stirring again, and heating at the same time until the internal blank is heated to a molten state;
step three: then, the interaction of the auxiliary device (8), the top plate (801), the encoder (802), the outer housing (803) and the first gear (7) drives the first extruder barrel body (6) to operate, the uniformly mixed blank can be extruded out through the first extruder barrel body (6) to obtain a soluble polytetrafluoroethylene rod, and then a granulator (10) is used for granulating the soluble polytetrafluoroethylene rod to obtain soluble polytetrafluoroethylene particles;
step four: secondly, stirring and heating the obtained soluble polytetrafluoroethylene particles through a second preparation frame (13), continuously stirring and heating the soluble polytetrafluoroethylene particles to a completely molten state, and then pushing and extruding a blank through a second extruder barrel body (14), namely a screw extruder;
step five: and finally, placing the blank inside a die cavity (20), carrying out primary sizing, sizing in a vacuum sizing bin (21) after finishing, and finally cooling and molding in a cooling groove (22) to obtain the polytetrafluoroethylene pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010418262.5A CN111823622A (en) | 2020-05-18 | 2020-05-18 | Polytetrafluoroethylene pipe and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010418262.5A CN111823622A (en) | 2020-05-18 | 2020-05-18 | Polytetrafluoroethylene pipe and preparation method thereof |
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| CN111823622A true CN111823622A (en) | 2020-10-27 |
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| CN202010418262.5A Pending CN111823622A (en) | 2020-05-18 | 2020-05-18 | Polytetrafluoroethylene pipe and preparation method thereof |
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Application publication date: 20201027 |