CN108127896A - A kind of note of PET plastic blows manufacture craft and its product - Google Patents
A kind of note of PET plastic blows manufacture craft and its product Download PDFInfo
- Publication number
- CN108127896A CN108127896A CN201711295397.1A CN201711295397A CN108127896A CN 108127896 A CN108127896 A CN 108127896A CN 201711295397 A CN201711295397 A CN 201711295397A CN 108127896 A CN108127896 A CN 108127896A
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- 239000004033 plastic Substances 0.000 title claims abstract description 72
- 229920003023 plastic Polymers 0.000 title claims abstract description 72
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000002347 injection Methods 0.000 claims abstract description 70
- 239000007924 injection Substances 0.000 claims abstract description 70
- 239000000463 material Substances 0.000 claims abstract description 35
- 238000010438 heat treatment Methods 0.000 claims abstract description 34
- 238000001746 injection moulding Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 238000007664 blowing Methods 0.000 claims abstract description 15
- 238000000071 blow moulding Methods 0.000 claims abstract description 9
- 238000003303 reheating Methods 0.000 claims abstract description 9
- 238000007493 shaping process Methods 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims abstract description 8
- 238000000465 moulding Methods 0.000 claims abstract description 6
- 239000013078 crystal Substances 0.000 claims description 13
- 239000008188 pellet Substances 0.000 claims description 11
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 claims description 9
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- -1 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 3
- 230000003749 cleanliness Effects 0.000 abstract description 5
- 239000000047 product Substances 0.000 description 28
- 231100000241 scar Toxicity 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 125000004185 ester group Chemical group 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000010148 water-pollination Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 210000001161 mammalian embryo Anatomy 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000011265 semifinished product Substances 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/06—Injection blow-moulding
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C2049/023—Combined blow-moulding and manufacture of the preform or the parison using inherent heat of the preform, i.e. 1 step blow moulding
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention discloses a kind of note of PET plastic and blows manufacture craft, using two-step method moulding process, it first will be in injection mold of the PET molten plastics injection with cooling device of injection molding machine injection, transparent pipe is molded by rapid cooling, then pipe is sent into heating unit and carries out reheating, reach to be placed on the pipe after heating in the blowing chamber of blow moulding machine after preset temperature and carry out blowing pulling shaping, its feature is, the injection temperature of injection molding machine is 280 DEG C, PET molten plastics are from the side material feeding of injection mold, by the cooling device of injection mold by PET molten plastics rapid cooling to 5 DEG C, so as to mold transparent pipe, the preset temperature of reheating is 85 DEG C.A kind of note of PET plastic of the present invention blows manufacture craft, changes the feeding manner of traditional handicraft, and obtained surface of plastic products is seamless, and transparency is good, and cleanliness factor is high.The prepared product of manufacture craft is blown by above-mentioned note the invention also discloses one kind, the surface of product is seamless, more beautiful.
Description
Technical field
The present invention relates to technical field of plastic, and in particular to be a kind of note of PET plastic blow manufacture craft and its
Product.
Background technology
With the development with rapid changepl. never-ending changes and improvements of plastics and its product, plastic processing making is developing progressively a huge industry
Cluster, almost all using plastic products, especially environment-protecting and non-poisonous PET plastic product becomes for many applications all trades and professions
Glassware alternative, such as mineral water bottle, space cup and technique crystal ball cover." note stretch blow " technology is one of which
Main plastics processing method, " note stretch blow " majority used at present is " one-step method " technique：It is i.e. complete in a machine
Into the process noted, draw, blown, " one-step method " is to make stretch blow action when bottle embryo injection is cooled to about 110 DEG C, which disposably throws
Enter that cost is big, cost is high, starting order amount is not that general medium-sized and small enterprises can bear.In addition there is a kind of " two-step method " work
Skill, " two-step method " technique are separately to handle injection and two steps of stretch blow, are respectively carried out on two machines, first step note
Molding machine outpours green body, and second step blows pulling shaping after green body is heated on blow moulding machine.
Although existing " note stretch blow " technique is very suitable for making hollow plastic products, but due to being limited by equipment
System, when injection, are fed from the top of mold, and a charging label can be left at the top of the green body of formation, drawing is finally blown and obtains
Plastic products surface on can scar, this scar be present in as mineral water bottle, cup product on can normally make
With but if being as the plastic products of craftwork or ornament (such as technique crystal ball cover), this scar will shadow
Appearance, feel and the enjoying nature of product are rung, hardly results in the accreditation in market.
Invention content
The purpose of the present invention is to provide a kind of notes of PET plastic to blow manufacture craft, changes the charging side of traditional handicraft
Formula, obtained surface of plastic products is seamless, and transparency is good, and cleanliness factor is high.
The present invention also aims to provide one kind to blow the prepared product of manufacture craft, the surface of product by above-mentioned note
It is seamless, it is more beautiful.
In order to achieve the above objectives, solution of the invention is：
A kind of note of PET plastic blows manufacture craft, using two-step method moulding process, first by the PET meltings of injection molding machine injection
In injection mold of the plastics injection with cooling device, transparent pipe is molded by rapid cooling, then by the pipe
Base is sent into heating unit and carries out reheating, reaches the blowing that the pipe after heating is placed on to after preset temperature blow moulding machine
It carries out blowing pulling shaping in chamber, obtains required PET plastic product, feature is, the injection temperature of the injection molding machine is 280
DEG C, PET by the cooling device of the injection mold is melted and moulded from the side material feeding of the injection mold by PET molten plastics
Rapid cooling is expected to 5 DEG C, and so as to mold transparent pipe, the preset temperature of the reheating is 85 DEG C.
Further, the raw material of PET molten plastics is GF-PETG pellets, and GF-PETG pellets are molten by stock melting device
PET molten plastics.It needs that the GF-PETG pellets are dried before injection, dry temperature is 170 DEG C, the dry time
For 4~6h.Due to containing ester group in PET macromoleculars, with certain hydrophily, pellet is more sensitive to water at high temperature, when
When moisture is excessive, the molecular weight and molecular weight of PET in the process of reproduction, obtained PET plastic product will it is colored, become fragile.
Further, the injection molding machine include injecting machine material tube, the injecting machine material tube include material mouth and with the material mouth pair
The mold hot nozzle connect, one end of the mold hot nozzle have material mouth birdsmouth, 280 DEG C of PET molten plastics are passed through institute
It states material mouth high pressure to be injected into the mold hot nozzle, heating collar, the mold hot nozzle is wound with outside the mold hot nozzle
Hot flow path in be provided with the torpedo heating rod being adapted with the shape of the hot flow path.PET plastic is in injection molding process
In be very sensitive to material temperature, the deviation of injection temperature must not exceed ± 2 DEG C, when the material mouth of injection molding machine is 280 DEG C or so
PET molten plastics be injected into mold hot nozzle, depend merely on mold hot nozzle periphery heating collar heating be that can not ensure that PET melts
The temperature for melting plastics does not decline, therefore is heated by torpedo heating rod from the inside of mold hot nozzle, this ensures that PET
The temperature of molten plastic before the forming does not decline, and controls its mobility, prevent during molding pipe generate partially thin, hickie, hard spot and
The defects of dissolving trace.
In addition, the torpedo heating rod being adapted with hot-fluid road shape also acts as guide functions so that PET molten plastic energy
It is enough to go downstream along the outer wall of torpedo heating rod, bias will not be generated, so as to fulfill being evenly heated for PET molten plastics.
Further, the other end of the mold hot nozzle is provided with the discharge port being connected with its hot flow path, the injection
Mold include injection mould blank and with the matched injection mold cavity of the injection mould blank, it is moveable that the injection mould blank is arranged on one
On injection molding mould plate, offer the cross gate that one end is connected with the discharge port on the injection molding mould plate, the cross gate it is another
One end is extended at the port of the injection mould blank, is formed between the injection mould blank and the injection mold cavity for being molded
The gap of pipe is stated, PET molten plastics flow into injection mould blank and injection mold cavity from the discharge port of mold hot nozzle by cross gate
Between gap in, the port side material feeding of injection mould blank is realized, to achieve the purpose that stealthy charging.
Further, the heating unit is rotating type baking oven, and the pipe is revolved in the rotating type baking oven by itself
Turn to realize and be evenly heated.
Further, the blow moulding machine includes stretching device and pressure-air inlet duct, and the stretching device includes positioning
Stretch rod and the cylinder for the positioning stretch rod to be driven to be moved up and down in the blowing intracavitary, the bar of the positioning stretch rod
Head is made of polytetrafluoroethylene material, and the pressure-air inlet duct includes air compressor machine and is fixed on the positioning stretch rod
Pressure-air air inlet head, the admission pressure of the pressure-air air inlet head is 16 kilograms.The head of traditional positioning stretch rod
It is made of carbon steel, poor thermal insulation property, when the bottom of the pipe after the head contact reheating for positioning stretch rod, pipe bottom
Portion cures to the cold, can generate the flaw of circle trace, and the head heat conduction for using positioning stretch rod made of polytetrafluoroethylene (PTFE) instead is fast, heat preservation
Performance is good, and the optimum state of heat conductivity heat-insulating can be reached in drawing process, the temperature kept constant, and the bottom of pipe is avoided to meet
Cold curing is not in the flaw for enclosing trace, ensures the best in quality of product.
It is a kind of that the prepared product of manufacture craft is blown using above-mentioned note, it is that the crystal that pulling shaping obtains is blown by the pipe
Ball cover, one is provided on the crystal ball cover has the undergauge end of opening.
After adopting the above technical scheme, a kind of note of PET plastic of the present invention blows manufacture craft, feature is, changes
The mode fed in traditional handicraft from die tip, by PET molten plastics from the side material feeding of injection mold, avoids the shape of scar
Into the cleanliness factor of product is high, by controlling injection temperature and cooling temperature so that is crystallized less during formed product, transparency is good, instead
It, control it is improper be also easy to produce partially thin tube wall, hickie, hard spot and it is opaque the phenomenon that.
Description of the drawings
Fig. 1 is the structural representation that a kind of note of PET plastic of the present invention blows mold hot nozzle and injection mold in manufacture craft
Figure；
Fig. 2 is the structure diagram that a kind of note of PET plastic of the present invention blows blow moulding machine in manufacture craft；
Fig. 3 is the structure diagram for the product that manufacture craft making is blown using a kind of note of PET plastic of the present invention.
In figure：
1 material mouth birdsmouth 11 of mold hot nozzle
12 discharge port 13 of hot flow path
2 torpedo heating rod 3 of heating collar
41 injection mold cavity 42 of injection mould blank
43 cross gate 431 of injection molding mould plate
It is blow molded chamber 51 and positions stretch rod 52
53 pressure-air air inlet head 6 of cylinder
Crystal ball cover 1a undergauges end 11a
Specific embodiment
In order to further explain the technical solution of the present invention, the present invention is explained in detail below by specific embodiment
It states.
Embodiment one
A kind of note of PET plastic blows manufacture craft, and the PET molten plastics injection of injection molding machine injection first is had cooling device
Injection mold in, transparent pipe is molded by rapid cooling, then by pipe be sent into heating unit carry out it is secondary plus
Heat, reaches to be placed on the pipe after heating in the blowing chamber of blow moulding machine after preset temperature and carries out blowing pulling shaping, obtains required
PET plastic product.
It is as follows：
(1) raw material of PET molten plastics is GF-PETG pellets, and GF-PETG pellets are molten into PET by stock melting device and melt
To melt plastics, need that GF-PETG pellets are dried before injection, dry temperature is 170 DEG C, and the dry time is 6h, due to
Contain ester group in PET macromoleculars, there is certain hydrophily, pellet is more sensitive to water at high temperature, when moisture is excessive
When, the molecular weight and molecular weight of PET in the process of reproduction, obtained PET plastic product will it is colored, become fragile；
(2) as shown in Figure 1, injection molding machine includes injecting machine material tube, injecting machine material tube includes material mouth and the mould docked with material mouth
Has hot nozzle 1, one end of mold hot nozzle 1 has material mouth birdsmouth 11, by 280 DEG C of PET molten plastics by expecting mouth high pressure
It is injected into mold hot nozzle 1, is wound with heating collar 2 outside mold hot nozzle 1, is provided in the hot flow path 12 of mold hot nozzle 1
The torpedo heating rod 3 being adapted with the shape of hot flow path 12, torpedo heating rod 3 is from hot flow path 12 close to material mouth birdsmouth 11
One end extend to the other end of hot flow path 12, PET molten plastics are very sensitive, note to material temperature in injection molding process
The deviation of modeling temperature must not exceed ± 2 DEG C, when 280 DEG C or so of PET molten plastics are injected into mold by the material mouth of injection molding machine
In hot nozzle 1, the heating of heating collar 2 for depending merely on 1 periphery of mold hot nozzle is can not to ensure that the temperature of PET molten plastics does not decline,
Therefore it is heated by torpedo heating rod 3 from the inside of mold hot nozzle 1, this ensures that PET molten plastics are before the forming
Temperature do not decline, control its mobility, prevent the defects of pipe generates partially thin, hickie, hard spot and dissolving trace during molding；
In addition, the torpedo heating rod 3 being adapted with hot-fluid road shape also acts as guide functions so that PET molten plastics
It can go downstream along the outer wall of torpedo heating rod 3, bias will not be generated, uniform so as to fulfill PET molten plastics adds
Heat；
(3) as shown in Figure 1, the other end of mold hot nozzle 1 is provided with the discharge port 13 being connected with its hot flow path, injection
Mold include injection mould blank 41 and with 41 matched injection mold cavity 42 of injection mould blank, it is moveable that injection mould blank 41 is arranged on one
On injection molding mould plate 43, offer the cross gate 431 that one end is connected with discharge port 13 on injection molding mould plate 43, cross gate 431 it is another
One end is extended at the port of injection mould blank 41, is formed with to be molded between pipe between injection mould blank 41 and injection mold cavity 42
Gap, PET molten plastics are via logical from the discharge port 13 of mold hot nozzle 1 after the common insulation of torpedo heating rod 3 and heating collar 2
It crosses cross gate 431 to flow into the gap between injection mould blank 41 and injection mold cavity 42, realizes the port side material feeding of injection mould blank,
To achieve the purpose that stealthy charging；
(4) the PET molten plastics being injected into injection mold pass through the cooling device (ice water flowed around injection mold
System) rapid cooling be cooled to 5 DEG C, so as to mold transparent pipe；
(5) transparent pipe is sent into heating unit and carries out reheating, is heated to 85 DEG C, heating unit is rotary roasting
Stove, pipe are realized by itself rotation in rotating type baking oven and are evenly heated；
(6) it carries out blowing pulling shaping as shown in Fig. 2, the pipe after heating is placed in the blowing chamber 51 of blow moulding machine, be blow molded
Machine includes stretching device and pressure-air inlet duct, and stretching device includes positioning stretch rod 52 and positions stretch rod for driving
52 cylinders 53 moved up and down in blowing chamber 51, the head of positioning stretch rod 52 are made of polytetrafluoroethylene material, and high pressure is empty
Gas inlet duct includes air compressor machine and two symmetrical pressure-air air inlet heads 6 being fixed on positioning stretch rod 52, pressure-air
The admission pressure of air inlet head 6 is 16 kilograms, and pressure-air is injected into blowing chamber 51 by air compressor machine, and pipe is blow molded, is obtained
To the PET plastic product identical with blowing 51 shape of chamber；
The improvement of stretching device is：The head of traditional positioning stretch rod is made of carbon steel, poor thermal insulation property, when fixed
During the bottom of the pipe after the head contact reheating of position stretch rod, pipe bottom cures to the cold, can generate the flaw of circle trace,
And the head heat conduction for using positioning stretch rod 52 made of polytetrafluoroethylene (PTFE) instead is fast, good heat insulating can reach in drawing process
To the optimum state of heat conductivity heat-insulating, the temperature kept constant avoids the bottom of pipe from curing to the cold, is not in the flaw for enclosing trace
Defect ensures the best in quality of product.
After adopting the above technical scheme, a kind of note of PET plastic of the present invention blows manufacture craft, work is molded using two-step method
Skill, feature are, change the mode fed in traditional handicraft from die tip, by PET molten plastics from injection mould blank
The material feeding of port side avoids the formation of scar, and the cleanliness factor of product is high, by controlling injection temperature and cooling temperature so that production
Crystallization is few when product are molded, and transparency is good, conversely, control it is improper be also easy to produce partially thin tube wall, hickie, hard spot and it is opaque the phenomenon that.
Embodiment two
It is a kind of that the prepared product of manufacture craft is blown using above-mentioned note, as shown in figure 3, being to blow pulling shaping by pipe to obtain
Crystal ball cover 1a, one is provided on crystal ball cover 1a has the undergauge end 11a of opening.Crystal ball cover 1a is not limited to such as figure
Pattern shown in 3, for example, in figure 3, the week of undergauge end 11a is equipped with an annular protrusion, the periphery of undergauge end 11a along convex
Along may also be configured to thread segment, this depends on the sealing means of crystal ball cover 1a.
Prepared crystal ball cover 1a is different from existing crystal ball cover on the market, and surface is seamless, and cleanliness factor is high, feel
Good, obtained market satisfaction is high, and the semi-finished product for being more suitable for craftwork and ornament carry out secondary operation.
The product form and pattern of above-described embodiment and schema and the non-limiting present invention, any technical field it is common
The appropriate variation or modification that technical staff does it all should be regarded as not departing from the patent category of the present invention.
Claims (7)
1. a kind of note of PET plastic blows manufacture craft, using two-step method moulding process, first the PET of injection molding machine injection is melted and is moulded
In injection mold of the material injection with cooling device, transparent pipe is molded by rapid cooling, then by the pipe
It is sent into heating unit and carries out reheating, reach the blowing chamber that the pipe after heating is placed on to after preset temperature blow moulding machine
In carry out blowing pulling shaping, obtain required PET plastic product, it is characterised in that：The injection temperature of the injection molding machine is 280 DEG C,
PET molten plastics are from the side material feeding of the injection mold, by the cooling device of the injection mold by PET molten plastics urgency
Speed is cooled to 5 DEG C, and so as to mold transparent pipe, the preset temperature of the reheating is 85 DEG C.
2. a kind of note of PET plastic according to claim 1 blows manufacture craft, it is characterised in that：The original of PET molten plastics
Expect for GF-PETG pellets, GF-PETG pellets are molten into PET molten plastics by stock melting device, are needed before injection to the GF-
PETG pellets are dried, and dry temperature is 170 DEG C, and the dry time is 4~6h.
3. a kind of note of PET plastic according to claim 1 blows manufacture craft, it is characterised in that：The injection molding machine includes
Injecting machine material tube, the injecting machine material tube include material mouth and the mold mold hot nozzle docked with the material mouth, the mold hot
One end of nozzle has material mouth birdsmouth, and 280 DEG C of PET molten plastics are injected into the mold hot by the material mouth high pressure
In nozzle, heating collar is wound with outside the mold hot nozzle, is provided in the hot flow path of the mold hot nozzle and the hot-fluid
The torpedo heating rod that the shape in road is adapted.
4. a kind of note of PET plastic according to claim 3 blows manufacture craft, it is characterised in that：The mold hot nozzle
The other end be provided with the discharge port being connected with its hot flow path, the injection mold include injection mould blank and with the injection mould
The matched injection mold cavity of base, the injection mould blank are arranged on a moveable injection molding mould plate, are opened up on the injection molding mould plate
There is the cross gate that one end is connected with the discharge port, the other end of the cross gate extends to the port of the injection mould blank
Place, is formed with the gap for being molded the pipe between the injection mould blank and the injection mold cavity, PET molten plastics are from mould
The discharge port for having hot nozzle is flowed by cross gate in the gap between injection mould blank and injection mold cavity, realizes the side of injection mold
Face material feeding.
5. a kind of note of PET plastic according to claim 1 blows manufacture craft, it is characterised in that：The heating unit is
Rotating type baking oven, the pipe are realized by itself rotation in the rotating type baking oven and are evenly heated.
6. a kind of note of PET plastic according to claim 1 blows manufacture craft, it is characterised in that：The blow moulding machine includes
Stretching device and pressure-air inlet duct, the stretching device include positioning stretch rod and for driving the positioning stretch rod
In the cylinder that the blowing intracavitary moves up and down, the head of the positioning stretch rod is made of polytetrafluoroethylene material, the height
Pressure air inlet device includes air compressor machine and the pressure-air air inlet head being fixed on the positioning stretch rod, the pressure-air
The admission pressure of air inlet head is 16 kilograms.
7. a kind of blow the prepared product of manufacture craft, feature using a kind of note of PET plastic as described in claim 1
It is：It is that the crystal ball cover that pulling shaping obtains is blown by the pipe, one is provided on the crystal ball cover has the undergauge of opening
End.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210284112.9A CN114643694A (en) | 2017-12-08 | 2017-12-08 | Injection blow molding device and process for PET plastic and product thereof |
| CN201711295397.1A CN108127896A (en) | 2017-12-08 | 2017-12-08 | A kind of note of PET plastic blows manufacture craft and its product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711295397.1A CN108127896A (en) | 2017-12-08 | 2017-12-08 | A kind of note of PET plastic blows manufacture craft and its product |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210284112.9A Division CN114643694A (en) | 2017-12-08 | 2017-12-08 | Injection blow molding device and process for PET plastic and product thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108127896A true CN108127896A (en) | 2018-06-08 |
Family
ID=62389308
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711295397.1A Pending CN108127896A (en) | 2017-12-08 | 2017-12-08 | A kind of note of PET plastic blows manufacture craft and its product |
| CN202210284112.9A Pending CN114643694A (en) | 2017-12-08 | 2017-12-08 | Injection blow molding device and process for PET plastic and product thereof |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210284112.9A Pending CN114643694A (en) | 2017-12-08 | 2017-12-08 | Injection blow molding device and process for PET plastic and product thereof |
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| Country | Link |
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| CN (2) | CN108127896A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114407335A (en) * | 2021-12-27 | 2022-04-29 | 界首市双特新材料科技有限公司 | Blow molding process for renewable polyester fiber with low density |
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| CN102159377A (en) * | 2008-09-18 | 2011-08-17 | 克罗内斯股份公司 | Temperature-controlled stretching rod |
| CN203919582U (en) * | 2014-06-20 | 2014-11-05 | 苏州洛世奇热流道科技有限公司 | Spot pouring mouth hot-runner nozzle |
| CN104669590A (en) * | 2014-12-15 | 2015-06-03 | 湖南鑫高自动化设备有限公司 | Injection-stretch-blow molding device for hollow plastic product |
| FR3050137A1 (en) * | 2016-04-15 | 2017-10-20 | Sidel Participations | DRAWING ROD FOR A FORMING ASSEMBLY OF A CONTAINER, UNIT AND FORMING ASSEMBLY PROVIDED WITH SUCH A ROD |
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