CN208900928U - A kind of hollow spiral tube road injection molding joint - Google Patents
A kind of hollow spiral tube road injection molding joint Download PDFInfo
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- CN208900928U CN208900928U CN201821564775.1U CN201821564775U CN208900928U CN 208900928 U CN208900928 U CN 208900928U CN 201821564775 U CN201821564775 U CN 201821564775U CN 208900928 U CN208900928 U CN 208900928U
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Abstract
The utility model discloses a kind of hollow spiral tube road injection molding joint, including injection molding joint, the injection molding joint is set as solid wall cylindrical body, a circle positioning convex tendon is equipped in the middle part of the solid wall cylindrical body inner wall, the outer wall of the injection molding joint is equipped with reinforcing rib, the injection molding joint inner wall is even surface, and the injection molding joint inner wall includes horizontal ends and flared section, and the flared section angle with horizontal plane is 3-5 °；The injection molding joint, which also matches, is equipped with sealing ring, and the sealing ring includes sealing ring body and the non-return alar part set on the sealing ring body surface.And adopt new technology and prepare the injection molding joint, sealing effect is good, can be realized pipeline free splicing, and versatility is wide.
Description
Technical field
The utility model relates to technical field of pipeline connection, especially a kind of hollow spiral tube road injection molding joint.
Background technique
Hollow spiral tube is one kind using polyolefin as raw material, through Wrapping formed a kind of tubing together with melten gel, and by
In performances such as its good ring rigid, ring is soft, anti-impacts, extremely it is received by the market, wherein the connector between pipeline is polyethylene pipe
The place for being easiest to occur is destroyed, is the key that prevent joint fails using scientific and reasonable connection type.Traditional connection side
Formula has flanged joint, clamp connection and electric smelting band connection, and flanged joint, for flexible duct, sealing effect is undesirable；Card
It is complicated to bind round Joining Technology, poor quality's control, since connector is more, component assembling is complicated, and cause connection operation efficiency lower,
Easily there is operating mistake, quality of connection can also be impacted；Electric smelting band connection needs accessory machinery more, inconvenient.
By retrieval, " a kind of double-bellmouth hollow spiral tube connects the Chinese patent that Authorization Notice No. is CN202812542U
Head and bindiny mechanism ", the characteristics of patent is to be connected when being pipeline mounting construction using sealing ring flexibility socket joint, but use
It is easy to produce displacement and problem of aging after sealing ring long-time use, causes biggish security risk.There are also application No. is
This patent " hollow spiral tube bindiny mechanism " of CN104344114A, the patent is using rubber and clamp connection binode
The mode of conjunction carries out pipeline connection, but clip is complicated for operation, and clip teaches the corrosion that gets rusty easily long afterwards using the time.Also
The Chinese patent " anti-avulsion rubber seal and plumbing connection system " of 207005280 U of Authorization Notice No. CN, which is close
In seal using metal-toothed occlusion pipeline mode, similarly, after long-time use, metal-toothed, which easily corrodes, gets rusty, rubber it is close
Sealing property is excellent, easy for installation, but after prolonged use, is easy aging, and there are many senile causes, such as thermal oxide, ultraviolet
Line oxidation, heavy metal corrodes and mould microbiological oxidation, in the rubber for the connector position for being embedded in underground, it is more the reason is that due to
Therefore mould microbiological oxidation study a kind of ageing-resistant antimicrobial form and can prevent the pipe joint of displacement extremely urgent.
Utility model content
To solve the above problems, the utility model discloses a kind of hollow spiral tube road injection molding joint, packets
Injection molding joint is included, the injection molding joint is set as solid wall cylindrical body, and a circle convex is equipped in the middle part of the solid wall cylindrical body inner wall
Muscle, the outer wall of the injection molding joint are equipped with reinforcing rib, and the injection molding joint inner wall is even surface, the injection molding joint inner wall packet
Horizontal ends and flared section are included, the flared section angle with horizontal plane is 3-5 °；The injection molding joint, which also matches, is equipped with sealing ring, institute
Stating sealing ring includes sealing ring body and the non-return alar part set on the sealing ring body surface.
Further, the reinforcing rib is perpendicular to the several perpendicular of the injection molding joint length direction setting arranged in parallel
Muscle.
Further, the reinforcing rib further includes the diagonal bar having with the vertical bar in the setting of 30-50 ° of acute angle.
Further, the two-port of the injection molding joint is rounding corner structure.
Further, the sealing ring surface is equipped with the intensive protrusion of anticreep and blocking.
Further, the non-return alar part is wedge-shaped or trapezoidal or waveform or be the dampening compression being continuously arranged
Wave crest.
Further, the quantity of the dampening compression wave crest is at least 3.
Further, the dampening compression wave crest far from the positioning convex tendon direction to be gradually incremented by.
As a preferred embodiment of the present invention, first sealing ring, the second sealing ring and third sealing ring use
Water swelling antimicrobial form rubber；The water swelling antimicrobial form rubber is using following preparation method, comprising the following steps:
(a) prepare raw material: using waste tire for raw material, picked, cleaned, dried, crush to obtain rubber by boulder crusher
Glue particle obtains tread compound powder through screening after further crushing rubber grain in pulverizer；
Glue particle in pulverizer further crush after through screening obtain tread compound powder；
(b) it prepares presoma powder: weighing 1000-1500 parts of tread compound powders, 50-150 parts of active carbon, lithium magnesium silicate 150
Part, 10-20 part additions distilled water of antibacterial agent, stir into active carbon gels under ice bath, stirring while uses ultraviolet light to coagulating
Glue irradiation；1wt%NaOH solution is added dropwise into active carbon gels, filters to obtain presoma after 4 DEG C of ice bath environment continue to stir 2h
Gel is adopted and is washed with deionized, and above-mentioned aqueous precursor gel is put into refrigerator and is freezed, is done using vacuum freeze drier
It is dry, presoma powder is made；
(c) blend glue stuff: in parts by weight, by 1000 parts of presoma powder, 500-1000 parts of polypropylene powder,
500-1000 parts of polyethylene powders, 10 parts of activator, point five stage mixings in 20-50 parts of addition mixers of plant oil asphalt,
That is first stage: mixing 5 minutes at a temperature of 80-100 DEG C, second stage: mixing 5 minutes at a temperature of 100-130 DEG C, third rank
Section: mixing 10 minutes at a temperature of 130-150 DEG C, fourth stage: mixing 20 minutes at a temperature of 150-180 DEG C, the 5th stage: 180-
Obtain blend glue stuff within mixing 10 minutes at a temperature of 210 DEG C.
(d) discharging molding: above-mentioned blend glue stuff is poured into mold and places the cooling and shaping of three stages, first stage in baking oven
80-110 DEG C of temperature keeps the temperature 10 minutes, and 50-80 DEG C of second stage temperature keeps the temperature 30 minutes, and 25 DEG C of phase III temperature keep the temperature 10 points
Clock takes out depanning up to product.
As the utility model preferred embodiment, a kind of preparation process of hollow spiral tube road injection molding joint, feature
It is: the following steps are included: (i) ingredient: weighing 500-1000 parts of polyethylene powder, color masterbatch 5-10
Part, the polyethylene powder material granularity is 30-60 mesh, is uniformly mixed to obtain mixed raw material；
(ii) mold preheats: being uniformly coated with release agent on mould inner wall, then carries out the pre-heat treatment, preheating temperature to mold
Degree is 90-110 DEG C, preheats 5-10min, is then cooled to 50-60 DEG C；
(iii) it forms: the mixed raw material being packed into mold, is placed in injection moulding machine, use four-part form heating for the
One 160-200 DEG C of stage kept the temperature 5-10min, dwell pressure 100kpa, and 200-230 DEG C of second stage, kept the temperature 5-10min, pressure maintaining
Pressure 80kpa, keeps the temperature 5-10min, pressure maintaining 50kpa, 260-280 DEG C of fourth stage, keeps the temperature 2- by 230-260 DEG C of the phase III
5min, pressure maintaining 30kpa；
The three-stage cooling is the first stage to be cooled to 210-260 DEG C, keeps the temperature 2-5min, second stage is cooled to 150-
210 DEG C, 5-10 minutes are kept the temperature, the phase III is cooled to 90-150 DEG C, keeps the temperature 5-10min；The heating-up time of per temperature rise period and
The temperature fall time of every temperature-fall period is 5-8min.
The utility model compared with prior art, has the following beneficial effects: that (1) passes through setting positioning convex tendon, sealing effect
Fruit is more preferable, is located by connecting more accurate；(2) by the way that reinforcing rib is arranged in injection molding joint outer surface, so that the machine of injection molding joint ontology
Tool intensity greatly enhances；(3) by the way that sealing ring to be arranged to the non-return alar part of dampening compression wave crest type, the sealing of the shape is axial
Pull-out test effect is good；(4) sealing ring uses new preparation method, can be good at antibacterial effect, long service life, the rubber
Belong to water-swellable rubber, sealing effect is more excellent；(5) it is arranged to small intensive protrusion on the surface of sealing ring, due to
There are certain lines for connected pipeline both ends surface sections, that is, have certain roughness, be mutually twisted, sealing effect is more
It is good, and be not easy to shift.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment 1；
Fig. 2 is the structural schematic diagram of embodiment 2；
Fig. 3 is the structural schematic diagram of the reinforcing rib in embodiment 2；
Fig. 4 is the structural schematic diagram of embodiment 3；
Fig. 5 is the partial enlarged view of the part 11 in embodiment 3；
Fig. 6 is using the schematic diagram of the anti-microbial property of antibacterial circle method measurement sample, is that Escherichia coli and eight are folded referring to strain
Coccus；
In figure, 1- injection molding joint one, 2- sealing ring one, 3- positioning convex tendon one, 4- injection molding joint, 401- horizontal ends, 402-
Flared section, 5- positioning convex tendon, 6- vertical bar, 602- diagonal bar, 13- non-return alar part, 7- injection molding joint two, 8- positioning convex tendon two, 9- is fixed
Position column, 10- sealing ring two, 11- partial enlarged view, the installation position 1101-, 1102- sealing ring three, 1103- bumper post, 1104- are slow
Rush spring, 1105- groove, 12- culture medium, 15- antibacterial circle, 16- antibacterial bandwidth.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
It elaborates with reference to the accompanying drawing to specific embodiment of the utility model.
Embodiment 1
As shown in Figure 1, a kind of hollow spiral tube road injection molding joint, including injection molding joint 1, the injection molding joint 1
It is set as solid wall cylindrical body, a circle positioning convex tendon 1 is equipped in the middle part of the solid wall cylindrical body inner wall, the injection molding joint 1
Outer wall is equipped with reinforcing rib, and one 1 inner wall of injection molding joint is flared section, and the flared section angle with horizontal plane is 3-5 °；Institute
It states injection molding joint 1 also to match equipped with sealing ring 1, the sealing ring 1 is including sealing ring body and is set to the sealing ring sheet
The non-return alar part in body surface face, the present embodiment non-return alar part are equipped with 3, but be not limited to the quantity using wedge shape.
Embodiment 2
As Figure 2-3, a kind of hollow spiral tube road injection molding joint, including injection molding joint 4, the injection molding joint 4 are set
It is set to solid wall cylindrical body, is equipped with a circle positioning convex tendon 5 in the middle part of the solid wall cylindrical body inner wall, on the outer wall of the injection molding joint 4
Equipped with reinforcing rib 6, the reinforcing rib 6 is several vertical bars 601 perpendicular to the injection molding joint length direction setting arranged in parallel,
The reinforcing rib 6 further includes the diagonal bar 602 having with the vertical bar 601 in the setting of 30 ° of acute angles, and it is smooth that the injection molding, which connects 4 inner walls,
Face, 4 inner wall of injection molding joint include horizontal ends 401 and flared section 402, and 402 angle with horizontal plane of flared section is 3-5 °；
The injection molding joint 4 also match be equipped with sealing ring, the sealing ring include sealing ring body and be set to the sealing ring body surface
Non-return alar part 13, the present embodiment non-return alar part uses dampening compression wave crest, and is equipped with 3, but is not limited to the quantity, institute
Dampening compression wave crest is stated to be gradually incremented by far from 5 direction of positioning convex tendon, the sealing ring surface is equipped with anticreep and blocks and uses
Intensive protrusion, this it is intensive protrusion be zigzag.
Embodiment 3
As illustrated in figures 4-5, a kind of hollow spiral tube road injection molding joint, including injection molding joint 27, the injection molding joint two
7 two-port is rounding corner structure, and clamping is convenient, and safe operation is not easy to scratch sealing ring and staff, the injection molding joint
27 are set as solid wall cylindrical body, and the solid wall cylindrical body inner wall is set as differential of the arc face, being equipped with one in the middle part of the solid wall cylindrical body inner wall
Positioning convex tendon 28 is enclosed, the side of the positioning convex tendon 28 is equipped with installation position 1101, is equipped with inside the installation position 1101 close
Seal three, the sealing ring three include three ontology 1102 of sealing ring, are equipped with bumper post 1103 in three ontology of sealing ring, 1102 one side；
27 inner wall of injection molding joint is additionally provided with limited post 9, is additionally provided with sealing ring between the limited post 9 and the installation position 1101
2 10, one end that the sealing ring 2 10 is contacted with the positioning convex tendon 28 is equipped with and the matched groove of the bumper post 1103
1105, the groove 1105 is interior to be equipped with buffer spring 1104；By the way that bumper post 1103 is arranged in the side of three ontology 1102 of sealing ring,
And matched groove 1105 is set on sealing ring 25 simultaneously, while buffer spring 1104 is arranged, when the pressure of pipeline is to sealing
When the active force of circle three is smaller, the installation position 1101 of injection molding joint 27 can position sealing ring three, not easily shifted, when
Active force is larger or long-time pressure crosses the destruction of senior general installation position, causes sealing ring three to shift, the buffering on sealing ring three
When column 1103 is displaced to the buffer spring 1104 in groove 1105, using the buffer function of buffer spring 1104, sealing ring is limited
Three displacements prevent sealing ring three from deforming or being broken；One end that the sealing ring 2 10 is contacted with 27 inner wall of injection molding joint
Equipped with continuous dampening compression wave crest.
The sealing ring two, sealing ring three use water swelling antimicrobial form rubber.
When in use, sealing ring three is installed on installation position 1101, sealing ring 2 10 is installed on sealing ring three and limit
Between column 9, then the both ends of injection molding joint 27 and the both ends installation of connected hollow spiral tube are had good positioning, are then put
Enter and impregnate 5min in water, sealing ring is firmly attached with tube wall, and after tested, the axial anti-pulling ability of the connector is very good, close
Excellent effect is sealed, after long-time use, moreover it is possible to be released effectively in pipe and generate pressure caused by gas, extend the service life.
Embodiment 4
As a preferred embodiment of the present invention, the water swelling antimicrobial form rubber uses following preparation method, including
Following steps:
(a) prepare raw material: use waste and old butadiene-styrene rubber tire for raw material, picked, the cleaning of 50 DEG C of warm water 3 times, so
Dry 2h at a temperature of 100 DEG C afterwards, crushed 10 mesh mesh screens by boulder crusher and obtains rubber grain, by rubber grain in pulverizer
Tread compound powder is obtained through screening after further crushing；
(b) it prepares presoma powder: weighing 1000 parts of tread compound powders, 100 parts of active carbon, 150 parts of lithium magnesium silicate, crust
10 parts of addition distilled water of matter stir the Viability carbon gels of 1h under ice bath, are irradiated using ultraviolet light to gel while stirring；It is past
1wt%NaOH solution is added dropwise in active carbon gels, filters to obtain aqueous precursor gel after 4 DEG C of ice bath environment continue to stir 2h, uses
Deionized water washing, above-mentioned aqueous precursor gel is put into refrigerator and freezes 2h, is dried using vacuum freeze drier, is made
Presoma powder；
(c) blend glue stuff: in parts by weight, by 1000 parts of tire presoma powder, 500 parts of polypropylene powder, poly- second
500 parts of alkene powder, 10 parts of calper calcium peroxide, point five stage mixings, i.e. first stage in 50 parts of addition mixers of plant oil asphalt:
Mixing 5 minutes at a temperature of 80-100 DEG C, second stage: mixing 5 minutes at a temperature of 100-130 DEG C, phase III: 130-150 DEG C
At a temperature of mixing 10 minutes, fourth stage: mixing 20 minutes at a temperature of 150-180 DEG C, the 5th stage: at a temperature of 180-210 DEG C
Obtain blend glue stuff within mixing 10 minutes.
(d) discharging molding: above-mentioned blend glue stuff is poured into mold and places the cooling and shaping of three stages, first stage in baking oven
110 DEG C of temperature keep the temperature 10 minutes, and second stage temperature 60 C keeps the temperature 30 minutes, and 25 DEG C of phase III temperature keep the temperature 10 minutes, take
Depanning is up to product.
Embodiment 5
As a preferred embodiment of the present invention, the water swelling antimicrobial form rubber uses following preparation method, including
Following steps:
(a) prepare raw material: use waste and old neoprene tire for raw material, picked, the cleaning of 50 DEG C of warm water 3 times, so
Dry 2h at a temperature of 100 DEG C afterwards, crushed 10 mesh mesh screens by boulder crusher and obtains rubber grain, by rubber grain in pulverizer
Tread compound powder is obtained through screening after further crushing；
(b) it prepares presoma powder: weighing 1000 parts of tread compound powders, 100 parts of active carbon, 150 parts of lithium magnesium silicate, nitric acid
Silver-colored 5 parts of additions distilled water, stir the Viability carbon gels of 1h under ice bath, using ultraviolet light to gel irradiation while stirring；It is past
1wt%NaOH solution is added dropwise in active carbon gels, filters to obtain aqueous precursor gel after 4 DEG C of ice bath environment continue to stir 2h, uses
Deionized water washing, above-mentioned aqueous precursor gel is put into refrigerator and freezes 2h, is dried using vacuum freeze drier, is made
Presoma powder；
(c) blend glue stuff: in parts by weight, by 1000 parts of tire presoma powder, 500 parts of polypropylene powder, poly- second
500 parts of alkene powder, 10 parts of zinc oxide, point five stage mixings, i.e. first stage in 50 parts of addition mixers of plant oil asphalt:
Mixing 5 minutes at a temperature of 80-100 DEG C, second stage: mixing 5 minutes at a temperature of 100-130 DEG C, phase III: 130-150 DEG C
At a temperature of mixing 10 minutes, fourth stage: mixing 20 minutes at a temperature of 150-180 DEG C, the 5th stage: at a temperature of 180-210 DEG C
Obtain blend glue stuff within mixing 10 minutes.
(d) discharging molding: above-mentioned blend glue stuff is poured into mold and places the cooling and shaping of three stages, first stage in baking oven
90 DEG C of temperature keep the temperature 10 minutes, and second stage temperature 50 C keeps the temperature 30 minutes, and 30 DEG C of phase III temperature keep the temperature 10 minutes, take out
Depanning is up to product.
Embodiment 6
As a preferred embodiment of the present invention, the water swelling antimicrobial form rubber uses following preparation method, including
Following steps:
(a) prepare raw material: use waste and old nitrile rubber tire for raw material, picked, the cleaning of 50 DEG C of warm water 3 times, so
Dry 2h at a temperature of 100 DEG C afterwards, crushed 10 mesh mesh screens by boulder crusher and obtains rubber grain, by rubber grain in pulverizer
Tread compound powder is obtained through screening after further crushing；
(b) it prepares presoma powder: weighing 1000 parts of tread compound powders, 100 parts of active carbon, 150 parts of lithium magnesium silicate, antibacterial
Property 5 parts of protein powder, distilled water is added in 2 parts of metallic yttriums, and the Viability carbon gels of 1h are stirred under ice bath, and stirring while uses
Ultraviolet light irradiates gel；1wt%NaOH solution is added dropwise into active carbon gels, the mistake after 4 DEG C of ice bath environment continue stirring 2h
Aqueous precursor gel is filtered to obtain, adopts and is washed with deionized, above-mentioned aqueous precursor gel is put into refrigerator and freezes 2h, using vacuum refrigeration
Drying machine is dried, and presoma powder is made；
(c) blend glue stuff: in parts by weight, by 1000 parts of tire presoma powder, 500 parts of polypropylene powder, poly- second
500 parts of alkene powder, 10 parts of zinc oxide, point five stage mixings, i.e. first stage in 50 parts of addition mixers of plant oil asphalt:
Mixing 5 minutes at a temperature of 80-100 DEG C, second stage: mixing 5 minutes at a temperature of 100-130 DEG C, phase III: 130-150 DEG C
At a temperature of mixing 10 minutes, fourth stage: mixing 20 minutes at a temperature of 150-180 DEG C, the 5th stage: at a temperature of 180-210 DEG C
Obtain blend glue stuff within mixing 10 minutes.
(d) discharging molding: above-mentioned blend glue stuff is poured into mold and places the cooling and shaping of three stages, first stage in baking oven
100 DEG C of temperature keep the temperature 10 minutes, and 55 DEG C of second stage temperature keep the temperature 30 minutes, and 30 DEG C of phase III temperature keep the temperature 10 minutes, take
Depanning is up to product.
Antibacterial tests, water absorption rate and degradation number are carried out to sample made from above embodiments and reference examples respectively
According to the following Tables 1 and 2 of data: reference examples are utilized using the nitrile rubber sealing ring (brand: Taiwan ancient cooking vessel base) bought on the market
Antibacterial circle method measures the anti-microbial property of sample as shown in fig. 6, being Escherichia coli and sarcine referring to strain, antibacterial effect is by resisting
Cingula wide 16 indicates；Water absorption rate test is referring to GB/T 1034-2008:
Each sample performance test value of table 1
2 embodiment 4-6 of table and control group aging 30 days material deformation rates at different temperatures
| 70℃ | 80℃ | 90℃ | 100℃ | 110℃ | |
| Embodiment 5 | 0.1796 | 0.2084 | 0.2314 | 0.2521 | 0.2614 |
| Embodiment 6 | 0.1714 | 0.2198 | 0.2345 | 0.2544 | 0.2578 |
| Embodiment 7 | 0.1547 | 0.2121 | 0.2284 | 0.2551 | 0.2622 |
| Reference examples | 0.4821 | 0.4911 | 0.5011 | 0.4987 | 0.5114 |
Find out from table 1-2, the sealing ring that embodiment 4-6 is bought more on the market, antibacterial and water absorbing properties are excellent, and implement
The sample of example 4-6 aging 30 days material deformation rates under 70-110 DEG C of high temperature are lower than the material deformation rate of reference examples, reference examples
Deformation rate be close to 2 times of embodiment 4-6 sample, it follows that rubber obtained by the preparation method that the present embodiment uses
Material is had excellent performance, and also has excellent anti-microbial property, and water absorption rate is good.
Embodiment 7
A kind of preparation process of hollow spiral tube road injection molding joint, comprising the following steps:
(i) ingredient: weighing 800 parts of polyethylene powder, and 7.5 parts of color masterbatch, the polyethylene powder material granularity
For 55 mesh, it is uniformly mixed to obtain mixed raw material；
(ii) mold preheats: being uniformly coated with release agent on mould inner wall, then carries out the pre-heat treatment, preheating temperature to mold
Degree is 90-110 DEG C, preheats 5-10min, is then cooled to 50-60 DEG C；
(iii) it forms: the mixed raw material being packed into mold, is placed in injection moulding machine, use four-part form heating for the
One 160-200 DEG C of stage kept the temperature 8min, dwell pressure 100kpa, and 200-230 DEG C of second stage, kept the temperature 8min, dwell pressure
80kpa, keeps the temperature 8min, pressure maintaining 50kpa, 260-280 DEG C of fourth stage, keeps the temperature 2-5min, pressure maintaining by 230-260 DEG C of the phase III
30kpa；
The three-stage cooling is the first stage to be cooled to 210-260 DEG C, keeps the temperature 2-5min, second stage is cooled to 150-
210 DEG C, 5-10 minutes are kept the temperature, the phase III is cooled to 90-150 DEG C, keeps the temperature 5-10min；The heating-up time of per temperature rise period and
The temperature fall time of every temperature-fall period is 7min.
Performance test: tensile strength 22Mpa, extensibility 600%.
Above-described embodiment only describes the optimal usage mode of existing equipment, and similar conventional means is used to replace the present embodiment
In element, each fall within protection scope.
Claims (10)
1. a kind of hollow spiral tube road injection molding joint, including injection molding joint (4), it is characterised in that: the injection molding joint (4) sets
It is set to solid wall cylindrical body, one is equipped in the middle part of the solid wall cylindrical body inner wall and encloses positioning convex tendon (5), outside the injection molding joint (4)
Wall is equipped with reinforcing rib (6), and injection molding joint (4) inner wall is even surface, and injection molding joint (4) inner wall includes horizontal ends
(401) and flared section (402), flared section (402) angle with horizontal plane are 3-5 °；The injection molding joint (4) also matches and sets
There is sealing ring, the sealing ring includes sealing ring body and the non-return alar part set on the sealing ring body surface.
2. a kind of hollow spiral tube road injection molding joint according to claim 1, it is characterised in that: the reinforcing rib is vertical
Directly in several vertical bars (601) of the injection molding joint length direction setting arranged in parallel.
3. a kind of hollow spiral tube road injection molding joint according to claim 2, it is characterised in that: the reinforcing rib (6)
It further include the diagonal bar (602) having with the vertical bar (601) in the setting of 30-50 ° of acute angle.
4. a kind of hollow spiral tube road injection molding joint according to claim 3, it is characterised in that: the injection molding joint
(4) two-port is rounding corner structure.
5. a kind of hollow spiral tube road injection molding joint according to claim 4, it is characterised in that: the sealing ring surface
Intensive protrusion equipped with anticreep and blocking.
6. a kind of hollow spiral tube road injection molding joint according to claim 1, it is characterised in that: the non-return alar part
It (13) is wedge-shaped or trapezoidal or waveform or be the dampening compression wave crest being continuously arranged.
7. a kind of hollow spiral tube road injection molding joint according to claim 6, it is characterised in that: the dampening compression wave
The quantity at peak is at least 3.
8. a kind of hollow spiral tube road injection molding joint according to claim 7, it is characterised in that: the dampening compression wave
Peak far from the positioning convex tendon (5) direction to be gradually incremented by.
9. a kind of hollow spiral tube road injection molding joint according to claim 8, it is characterised in that: the positioning convex tendon
(5) side is additionally provided with installation position, sealing ring three is equipped in installation position, which includes three ontology of sealing ring, in sealing ring
Three ontology one sides are equipped with bumper post.
10. a kind of hollow spiral tube road injection molding joint according to claim 9, it is characterised in that: the injection molding joint
Inner wall is additionally provided with limited post, is additionally provided with sealing ring two between the limited post and the installation position, the sealing ring two with it is described
One end that positioning convex tendon two contacts be equipped with the matched groove of the bumper post, buffer spring is equipped in the groove.
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| CN201821564775.1U CN208900928U (en) | 2018-09-20 | 2018-09-20 | A kind of hollow spiral tube road injection molding joint |
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| CN201821564775.1U CN208900928U (en) | 2018-09-20 | 2018-09-20 | A kind of hollow spiral tube road injection molding joint |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109000070A (en) * | 2018-09-20 | 2018-12-14 | 江西汇丰管业有限公司 | A kind of hollow spiral tube road injection molding joint |
| CN113028181A (en) * | 2021-03-26 | 2021-06-25 | 沪航科技集团有限公司 | Convenient quick butt joint's pipeline compensation connects |
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2018
- 2018-09-20 CN CN201821564775.1U patent/CN208900928U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109000070A (en) * | 2018-09-20 | 2018-12-14 | 江西汇丰管业有限公司 | A kind of hollow spiral tube road injection molding joint |
| CN109000070B (en) * | 2018-09-20 | 2024-07-19 | 江西汇丰管业有限公司 | Hollow wall winding pipeline joint of moulding plastics |
| CN113028181A (en) * | 2021-03-26 | 2021-06-25 | 沪航科技集团有限公司 | Convenient quick butt joint's pipeline compensation connects |
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