CN110509451A - Injection molding process for arc-shaped air conditioner panel - Google Patents
Injection molding process for arc-shaped air conditioner panel Download PDFInfo
- Publication number
- CN110509451A CN110509451A CN201910920642.6A CN201910920642A CN110509451A CN 110509451 A CN110509451 A CN 110509451A CN 201910920642 A CN201910920642 A CN 201910920642A CN 110509451 A CN110509451 A CN 110509451A
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- parts
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- raw material
- injection
- conditioning panel
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 84
- 239000002994 raw material Substances 0.000 claims abstract description 133
- 239000007924 injection Substances 0.000 claims abstract description 86
- 238000002347 injection Methods 0.000 claims abstract description 86
- 229920003023 plastic Polymers 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 25
- 239000004033 plastic Substances 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims abstract description 7
- 238000004378 air conditioning Methods 0.000 claims description 88
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 18
- 238000007639 printing Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 15
- 238000005507 spraying Methods 0.000 claims description 13
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000005034 decoration Methods 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 12
- 238000011049 filling Methods 0.000 claims description 12
- 239000003063 flame retardant Substances 0.000 claims description 12
- 238000010030 laminating Methods 0.000 claims description 12
- 239000000155 melt Substances 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 12
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 claims description 12
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 12
- 238000004381 surface treatment Methods 0.000 claims description 12
- 238000012360 testing method Methods 0.000 claims description 12
- 238000000465 moulding Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 7
- 239000004114 Ammonium polyphosphate Substances 0.000 claims description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 6
- 239000004831 Hot glue Substances 0.000 claims description 6
- 229920000877 Melamine resin Polymers 0.000 claims description 6
- -1 Polyethylene Polymers 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 229940037003 alum Drugs 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 235000019826 ammonium polyphosphate Nutrition 0.000 claims description 6
- 229920001276 ammonium polyphosphate Polymers 0.000 claims description 6
- 229910000410 antimony oxide Inorganic materials 0.000 claims description 6
- 239000003963 antioxidant agent Substances 0.000 claims description 6
- 230000003078 antioxidant effect Effects 0.000 claims description 6
- 238000005282 brightening Methods 0.000 claims description 6
- 239000011575 calcium Substances 0.000 claims description 6
- 229910052791 calcium Inorganic materials 0.000 claims description 6
- 239000007822 coupling agent Substances 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 6
- 238000005238 degreasing Methods 0.000 claims description 6
- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 claims description 6
- 239000002270 dispersing agent Substances 0.000 claims description 6
- 238000004043 dyeing Methods 0.000 claims description 6
- 238000005367 electrostatic precipitation Methods 0.000 claims description 6
- 229960001545 hydrotalcite Drugs 0.000 claims description 6
- 229910001701 hydrotalcite Inorganic materials 0.000 claims description 6
- 239000000314 lubricant Substances 0.000 claims description 6
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 6
- 239000000347 magnesium hydroxide Substances 0.000 claims description 6
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 6
- 235000013372 meat Nutrition 0.000 claims description 6
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 6
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 6
- 238000010422 painting Methods 0.000 claims description 6
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 6
- XFZRQAZGUOTJCS-UHFFFAOYSA-N phosphoric acid;1,3,5-triazine-2,4,6-triamine Chemical compound OP(O)(O)=O.NC1=NC(N)=NC(N)=N1 XFZRQAZGUOTJCS-UHFFFAOYSA-N 0.000 claims description 6
- 239000002985 plastic film Substances 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 6
- 238000007650 screen-printing Methods 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 6
- 235000010344 sodium nitrate Nutrition 0.000 claims description 6
- 239000004317 sodium nitrate Substances 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 239000004408 titanium dioxide Substances 0.000 claims description 6
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 claims description 6
- 239000000047 product Substances 0.000 description 26
- 238000005516 engineering process Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
-
- 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
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
-
- 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
- B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
-
- 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
- B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
- B29C2045/0079—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping applying a coating or covering
-
- 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
- B29C2045/0096—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor drying the moulding material before injection, e.g. by heating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
An injection molding process for an arc-shaped air conditioner panel comprises the following steps of: forming a plastic raw material required by air conditioner panel injection molding through crushing, mixing and stirring; pretreatment of raw materials: putting the raw materials stirred in the step 1) into an oven, and setting baking time and temperature; heating of an injection molding machine and an injection mold: adding the raw materials baked in the step 2) into a charging barrel of an injection molding machine to enable the raw materials to be in a molten state; injecting raw materials, namely, injecting the raw materials in a molten state into the heated injection mold through the hot runner treated in the step (3) and then through a nozzle; maintaining the pressure; cooling and forming; and (6) opening the mold. The injection molding process for the arc-shaped air conditioner panel, disclosed by the invention, has the advantages that the process steps are reasonably arranged, the injection molding period and the production cost of a product are effectively reduced, meanwhile, the finished product quality of the product is effectively improved through corresponding process conditions, the automation degree is high, the attractiveness of the surface of a plastic product is improved, and the environment friendliness is facilitated.
Description
Technical field
The invention belongs to high specific strength, large size, the thermoplastic articles preparation technical fields of appearance structure complexity, specifically
Ground is related to a kind of injection molding process for arc air-conditioning panel.
Background technique
Injection molding is a kind of method of industrial products production moulding.Product is usually using rubber injection mold and plastic injection.Injection molding
Molding die platen press and casting die can also be dispensed.Injection (mo(u)lding) machine (abbreviation injector or injection molding machine) is by thermoplastic or heat
The main molding equipment of plastic products of various shapes is made using mould for plastics for solidity material, and injection moulding is to pass through injection molding
Machine and mold are realized.
To meet consumer for the aesthetic requirement of air-conditioner housing appearance, and also to more environmentally-friendly, using exempting to spray
High-surface gloss traceless injection molding technology production air-conditioner housing has become mainstream.The generation and development of the technology be unable to do without plastic shaping
The continuous development and innovation of technology cover multiple sides such as glazed plastic material, high-gloss injection mold, mould temperature temperature control device
Face.
In recent years, people have been no longer satisfied with the use function of air-conditioning, sample to the appreciation of its appearance and environmentally protective
It is required that higher and higher.Since traditional injection moulding process is first to be molded air-conditioner housing, the method then sprayed again, both not environmentally, matter
Amount is also unstable, and out-of-date methods have been abandoned one after another by numerous international and domestic well-known manufacturers, then exempt to spray using a kind of novel forming technology-
Apply high-surface gloss traceless injection molding technology.The technology can make air-conditioner housing surface gloss height and weldless line, current mark and shrink mark etc.
Defect, and it is not necessarily to subsequent spraying process, to be reduced to environmental protection and cost extremely advantageous.Due to exempting to spray bloom injection molding skill
The implementation of art be unable to do without glazed plastic material, high-gloss injection mold, mould temperature temperature control device and injection molding machine and Shooting Technique
It is fitted close.As air-conditioning technical is more and more mature, air-conditioning not merely only needs to meet the performance of power saving good refrigeration effect
Requirement, consumer for air-conditioning shape simultaneously more stringent requirements are proposed, therefore occur it is more and more streamlined or
The air-conditioning panel of person's cambered surface design, relative to how carrying out the technical issues of being produced into for urgent need to resolve of curved panel.
Summary of the invention
Goal of the invention: the object of the present invention is to provide a kind of injection molding process for arc air-conditioning panel, solve
How arc air-conditioning panel structure aesthetic in appearance is formed by Shooting Technique in the prior art.
Technical solution: the present invention provides a kind of injection molding process for arc air-conditioning panel, include the following steps:
1) raw material preparation: plastic material needed for forming air-conditioning panel injection molding by broken, mixing and stirring；
2) pretreatment of raw material: the raw material being stirred in step 1) is put into baking oven, and sets baking time and temperature；
3) heating of injection molding machine and injection mold: being heated to 215 DEG C -270 DEG C for the barrel of injection molding machine, by the heat in adapted to injection system
Runner is heated to 240 DEG C -255 DEG C, and the upper mold of injection mold is heated to 75 DEG C -85 DEG C, and the lower die of injection mold is heated
To 55 DEG C -65 DEG C；
4) raw material baked in step 2 is added to the barrel of injection molding machine, so that raw material is in molten condition；
5) injection for carrying out raw material, by the raw material of molten condition by the hot flow path that handle through step (3), then by nozzle
In injection mold after being injected into heating；
6) pressure maintaining: by injecting uniformly carry out pressure maintaining；
7) it is cooled and shaped；
8) it is opened: upper/lower die being opened, by manipulator or manually by the air-conditioning panel at production in injection mold mode
It takes out；
9) molding product is placed on and is cooled down at room temperature；
10) air-conditioning panel being cooled and shaped in step 9) is surface-treated；
11) it tests to the air-conditioning panel for having carried out surface treatment, the product of acceptance(check) is subjected to vanning storage, for not
Qualified product, carries out break process by crusher.
Further, the above-mentioned injection molding process for arc air-conditioning panel, above-mentioned steps 1) in composition of raw materials
Are as follows:
EVA:55-69 parts
PPA:1.5 parts
Dispersing agent: 0.2-0.8 parts
Antioxidant: 0.5-1.0 parts
Polyethylene wax: 9 parts
Titanate coupling agent: 1.5 parts
White oil: 0.6-0.9 parts；
Modifying agent: 2-5 parts；
Fire retardant: 3-6 parts.
Further, the above-mentioned injection molding process for arc air-conditioning panel, the composition of raw materials of above-mentioned fire retardant are as follows:
53 parts of triethyl phosphate
12 parts of hydrotalcite
8 parts of resorcinol
4 parts of sodium hydroxide
11 parts of antimony oxide
10 parts of alum
13 parts of odium stearate
10 parts of pentaerythrite
10 parts of melamine
3 parts of magnesium hydroxide
5 parts of ammonium polyphosphate
3 parts of sodium nitrate.
Further, the above-mentioned injection molding process for arc air-conditioning panel, above-mentioned steps 3) in barrel heating point
It is three sections, back segment is heated to 210-245 DEG C, and for Mid-section heating to 230-275 DEG C, leading portion is heated to 240-280 DEG C.
Further, the above-mentioned injection molding process for arc air-conditioning panel, above-mentioned steps 5) in inject it is specific
Step includes:
5-1) mold filling: the raw material of molten condition injection pressure effect under from barrel measuring room inflow type chamber beginning and be full of type
Chamber；
It 5-2) is compacted: after type chamber is full of by the raw material of molten condition, it is intracavitary to continue to say that the raw material of molten condition is pressed onto type, melts at this time
The speed for melting the raw material of state is gradually reduced；
5-3) pressure maintaining: the raw material of molten condition will continue to enter in type chamber under the injection pressure of screw rod, and it is molten to test material with filling
Body is because of gap caused by cooling meat, and the flowing velocity of the raw material of molten condition becomes slower at this time, melts in packing stage
The raw material of state gradually cools down in injection mold with injection mould cooling system, density be gradually increased and product gradually at
Type；
5-4) flow backwards: after pressure maintaining, screw rod backhaul returns to initial position, and nozzle exit pressure is dropped rapidly to zero, molten condition
Raw material can still have certain mobility at this moment, and under the action of cavity pressure, the raw material of molten condition is from type chamber to pouring
Injection system is flow backwards, and causes cavity pressure to decline, and the raw material of molten condition solidifies at cast gate, keeps refluence process envelope disconnected.
Further, the above-mentioned injection molding process for arc air-conditioning panel, above-mentioned steps 10) in air-conditioning panel
Surface treatment includes:
10-1) foil-stamping: dyeing films → vacuum aluminum-coated → painting hot melt adhesive → thermoprint；
10-2) spraying decoration: plastic injection piece → surface degreasing → electrostatic precipitation → primer spray → drying → spray inter coat → spraying decoration
→ topcoating → drying.
Further, the above-mentioned injection molding process for arc air-conditioning panel, above-mentioned injection molding process further include:
12) some transparent plastic sheets are used, pattern, the shape needed for thermocompression forming needed for silk-screen printing, punching
Required shape, back are sticked on two-sided adhesive sticker, are pasted on air-conditioning panel.
Further, the above-mentioned injection molding process for arc air-conditioning panel, the composition of raw materials of above-mentioned modifying agent are as follows:
12 parts of powdered lubricant
15 parts of haloflex
50 parts of titanium dioxide
6 parts of brightening agent
25 parts of melamine phosphate
130 parts of light calcium.
Further, the above-mentioned injection molding process for arc air-conditioning panel, above-mentioned injection molding process further include:
13) it screens: the crushed particles after step 11) being screened using screening machine, by satisfactory crushed particles and use
It is mixed in the raw material of injection molding air-conditioner housing.
Further, the above-mentioned injection molding process for arc air-conditioning panel, above-mentioned injection molding process further include:
14) print: manufactured air-conditioning panel is sent into printing machine, by printing machine in the back side of the transparent blanket of tabular successively off-set oil
Layer of ink and white background layer；
15) overlay film: the air-conditioning panel after step 14) is printed is sent into laminating machine, is giving the air-conditioning panel after printing just by laminating machine
Face is printed with ink layer and the back side of white background layer is covered with layer protecting film respectively.
Above-mentioned technical proposal, which can be seen that, is used for arc air-conditioning the invention has the following beneficial effects: of the present invention
The injection molding process of panel, processing step setting rationally, effectively reduce the period of product injection molding and are produced into
This, while by corresponding process conditions, the final product quality of product is effectively raised, high degree of automation improves plastics
The aesthetics of product surface improves the competitiveness of enterprise, reduces environmental pollution, is good for the environment, and has good use
Value.
Specific embodiment
Embodiment one
A kind of injection molding process for arc air-conditioning panel of the present invention, includes the following steps:
1) raw material preparation: plastic material needed for forming air-conditioning panel injection molding by broken, mixing and stirring；
2) pretreatment of raw material: the raw material being stirred in step 1) is put into baking oven, and sets baking time and temperature；
3) heating of injection molding machine and injection mold: being heated to 215 DEG C -270 DEG C for the barrel of injection molding machine, by the heat in adapted to injection system
Runner is heated to 240 DEG C -255 DEG C, and the upper mold of injection mold is heated to 75 DEG C -85 DEG C, and the lower die of injection mold is heated
To 55 DEG C -65 DEG C；
4) raw material baked in step 2 is added to the barrel of injection molding machine, so that raw material is in molten condition；
5) injection for carrying out raw material, by the raw material of molten condition by the hot flow path that handle through step (3), then by nozzle
In injection mold after being injected into heating；
6) pressure maintaining: by injecting uniformly carry out pressure maintaining；
7) it is cooled and shaped；
8) it is opened: upper/lower die being opened, by manipulator or manually by the air-conditioning panel at production in injection mold mode
It takes out；
9) molding product is placed on and is cooled down at room temperature；
10) air-conditioning panel being cooled and shaped in step 9) is surface-treated；
11) it tests to the air-conditioning panel for having carried out surface treatment, the product of acceptance(check) is subjected to vanning storage, for not
Qualified product, carries out break process by crusher.
Above-mentioned injection molding process further include:
12) some transparent plastic sheets are used, pattern, the shape needed for thermocompression forming needed for silk-screen printing, punching
Required shape, back are sticked on two-sided adhesive sticker, are pasted on air-conditioning panel；
13) it screens: the crushed particles after step 11) being screened using screening machine, by satisfactory crushed particles and use
It is mixed in the raw material of injection molding air-conditioner housing；
14) print: manufactured air-conditioning panel is sent into printing machine, by printing machine in the back side of the transparent blanket of tabular successively off-set oil
Layer of ink and white background layer；
15) overlay film: the air-conditioning panel after step 14) is printed is sent into laminating machine, is giving the air-conditioning panel after printing just by laminating machine
Face is printed with ink layer and the back side of white background layer is covered with layer protecting film respectively.
Above-mentioned steps 1) in composition of raw materials are as follows:
EVA:55-69 parts
PPA:1.5 parts
Dispersing agent: 0.2-0.8 parts
Antioxidant: 0.5-1.0 parts
Polyethylene wax: 9 parts
Titanate coupling agent: 1.5 parts
White oil: 0.6-0.9 parts；
Modifying agent: 2-5 parts；
Fire retardant: 3-6 parts.
The composition of raw materials of above-mentioned fire retardant are as follows:
53 parts of triethyl phosphate
12 parts of hydrotalcite
8 parts of resorcinol
4 parts of sodium hydroxide
11 parts of antimony oxide
10 parts of alum
13 parts of odium stearate
10 parts of pentaerythrite
10 parts of melamine
3 parts of magnesium hydroxide
5 parts of ammonium polyphosphate
3 parts of sodium nitrate.
Above-mentioned steps 3) in barrel heating be divided into three sections, back segment is heated to 210-245 DEG C, Mid-section heating to 230-275 DEG C,
Leading portion is heated to 240-280 DEG C.
Above-mentioned steps 5) in inject specific steps include:
5-1) mold filling: the raw material of molten condition injection pressure effect under from barrel measuring room inflow type chamber beginning and be full of type
Chamber；
It 5-2) is compacted: after type chamber is full of by the raw material of molten condition, it is intracavitary to continue to say that the raw material of molten condition is pressed onto type, melts at this time
The speed for melting the raw material of state is gradually reduced；
5-3) pressure maintaining: the raw material of molten condition will continue to enter in type chamber under the injection pressure of screw rod, and it is molten to test material with filling
Body is because of gap caused by cooling meat, and the flowing velocity of the raw material of molten condition becomes slower at this time, melts in packing stage
The raw material of state gradually cools down in injection mold with injection mould cooling system, density be gradually increased and product gradually at
Type；
5-4) flow backwards: after pressure maintaining, screw rod backhaul returns to initial position, and nozzle exit pressure is dropped rapidly to zero, molten condition
Raw material can still have certain mobility at this moment, and under the action of cavity pressure, the raw material of molten condition is from type chamber to pouring
Injection system is flow backwards, and causes cavity pressure to decline, and the raw material of molten condition solidifies at cast gate, keeps refluence process envelope disconnected.
Above-mentioned steps 10) in the surface treatment of air-conditioning panel include:
10-1) foil-stamping: dyeing films → vacuum aluminum-coated → painting hot melt adhesive → thermoprint；
10-2) spraying decoration: plastic injection piece → surface degreasing → electrostatic precipitation → primer spray → drying → spray inter coat → spraying decoration
→ topcoating → drying.
The composition of raw materials of above-mentioned modifying agent are as follows:
12 parts of powdered lubricant
15 parts of haloflex
50 parts of titanium dioxide
6 parts of brightening agent
25 parts of melamine phosphate
130 parts of light calcium.
Embodiment two
A kind of injection molding process for arc air-conditioning panel of the present invention, includes the following steps:
1) raw material preparation: plastic material needed for forming air-conditioning panel injection molding by broken, mixing and stirring；
2) pretreatment of raw material: the raw material being stirred in step 1) is put into baking oven, and sets baking time and temperature；
3) heating of injection molding machine and injection mold: being heated to 215 DEG C -270 DEG C for the barrel of injection molding machine, by the heat in adapted to injection system
Runner is heated to 240 DEG C -255 DEG C, and the upper mold of injection mold is heated to 75 DEG C -85 DEG C, and the lower die of injection mold is heated
To 55 DEG C -65 DEG C；
4) raw material baked in step 2 is added to the barrel of injection molding machine, so that raw material is in molten condition；
5) injection for carrying out raw material, by the raw material of molten condition by the hot flow path that handle through step (3), then by nozzle
In injection mold after being injected into heating；
6) pressure maintaining: by injecting uniformly carry out pressure maintaining；
7) it is cooled and shaped；
8) it is opened: upper/lower die being opened, by manipulator or manually by the air-conditioning panel at production in injection mold mode
It takes out；
9) molding product is placed on and is cooled down at room temperature；
10) air-conditioning panel being cooled and shaped in step 9) is surface-treated；
11) it tests to the air-conditioning panel for having carried out surface treatment, the product of acceptance(check) is subjected to vanning storage, for not
Qualified product, carries out break process by crusher.
Above-mentioned injection molding process further include:
12) some transparent plastic sheets are used, pattern, the shape needed for thermocompression forming needed for silk-screen printing, punching
Required shape, back are sticked on two-sided adhesive sticker, are pasted on air-conditioning panel；
13) it screens: the crushed particles after step 11) being screened using screening machine, by satisfactory crushed particles and use
It is mixed in the raw material of injection molding air-conditioner housing；
14) print: manufactured air-conditioning panel is sent into printing machine, by printing machine in the back side of the transparent blanket of tabular successively off-set oil
Layer of ink and white background layer；
15) overlay film: the air-conditioning panel after step 14) is printed is sent into laminating machine, is giving the air-conditioning panel after printing just by laminating machine
Face is printed with ink layer and the back side of white background layer is covered with layer protecting film respectively.
Above-mentioned steps 1) in composition of raw materials are as follows:
EVA:11 parts
PPA:1.5 parts
Dispersing agent: 0.2 part
Antioxidant: 0.5 part
Polyethylene wax: 9 parts
Titanate coupling agent: 1.5 parts
White oil: 0.6 part；
Modifying agent: 2 parts；
Fire retardant: 3 parts.
The composition of raw materials of above-mentioned fire retardant are as follows:
53 parts of triethyl phosphate
12 parts of hydrotalcite
8 parts of resorcinol
4 parts of sodium hydroxide
11 parts of antimony oxide
10 parts of alum
13 parts of odium stearate
10 parts of pentaerythrite
10 parts of melamine
3 parts of magnesium hydroxide
5 parts of ammonium polyphosphate
3 parts of sodium nitrate.
Above-mentioned steps 3) in barrel heating be divided into three sections, back segment is heated to 210-245 DEG C, Mid-section heating to 230-275 DEG C,
Leading portion is heated to 240-280 DEG C.
Above-mentioned steps 5) in inject specific steps include:
5-1) mold filling: the raw material of molten condition injection pressure effect under from barrel measuring room inflow type chamber beginning and be full of type
Chamber；
It 5-2) is compacted: after type chamber is full of by the raw material of molten condition, it is intracavitary to continue to say that the raw material of molten condition is pressed onto type, melts at this time
The speed for melting the raw material of state is gradually reduced；
5-3) pressure maintaining: the raw material of molten condition will continue to enter in type chamber under the injection pressure of screw rod, and it is molten to test material with filling
Body is because of gap caused by cooling meat, and the flowing velocity of the raw material of molten condition becomes slower at this time, melts in packing stage
The raw material of state gradually cools down in injection mold with injection mould cooling system, density be gradually increased and product gradually at
Type；
5-4) flow backwards: after pressure maintaining, screw rod backhaul returns to initial position, and nozzle exit pressure is dropped rapidly to zero, molten condition
Raw material can still have certain mobility at this moment, and under the action of cavity pressure, the raw material of molten condition is from type chamber to pouring
Injection system is flow backwards, and causes cavity pressure to decline, and the raw material of molten condition solidifies at cast gate, keeps refluence process envelope disconnected.
Above-mentioned steps 10) in the surface treatment of air-conditioning panel include:
10-1) foil-stamping: dyeing films → vacuum aluminum-coated → painting hot melt adhesive → thermoprint；
10-2) spraying decoration: plastic injection piece → surface degreasing → electrostatic precipitation → primer spray → drying → spray inter coat → spraying decoration
→ topcoating → drying.
The composition of raw materials of above-mentioned modifying agent are as follows:
12 parts of powdered lubricant
15 parts of haloflex
50 parts of titanium dioxide
6 parts of brightening agent
25 parts of melamine phosphate
130 parts of light calcium.
Embodiment three
A kind of injection molding process for arc air-conditioning panel of the present invention, includes the following steps:
1) raw material preparation: plastic material needed for forming air-conditioning panel injection molding by broken, mixing and stirring；
2) pretreatment of raw material: the raw material being stirred in step 1) is put into baking oven, and sets baking time and temperature；
3) heating of injection molding machine and injection mold: being heated to 215 DEG C -270 DEG C for the barrel of injection molding machine, by the heat in adapted to injection system
Runner is heated to 240 DEG C -255 DEG C, and the upper mold of injection mold is heated to 75 DEG C -85 DEG C, and the lower die of injection mold is heated
To 55 DEG C -65 DEG C；
4) raw material baked in step 2 is added to the barrel of injection molding machine, so that raw material is in molten condition；
5) injection for carrying out raw material, by the raw material of molten condition by the hot flow path that handle through step (3), then by nozzle
In injection mold after being injected into heating；
6) pressure maintaining: by injecting uniformly carry out pressure maintaining；
7) it is cooled and shaped；
8) it is opened: upper/lower die being opened, by manipulator or manually by the air-conditioning panel at production in injection mold mode
It takes out；
9) molding product is placed on and is cooled down at room temperature；
10) air-conditioning panel being cooled and shaped in step 9) is surface-treated；
11) it tests to the air-conditioning panel for having carried out surface treatment, the product of acceptance(check) is subjected to vanning storage, for not
Qualified product, carries out break process by crusher.
Above-mentioned injection molding process further include:
12) some transparent plastic sheets are used, pattern, the shape needed for thermocompression forming needed for silk-screen printing, punching
Required shape, back are sticked on two-sided adhesive sticker, are pasted on air-conditioning panel；
13) it screens: the crushed particles after step 11) being screened using screening machine, by satisfactory crushed particles and use
It is mixed in the raw material of injection molding air-conditioner housing；
14) print: manufactured air-conditioning panel is sent into printing machine, by printing machine in the back side of the transparent blanket of tabular successively off-set oil
Layer of ink and white background layer；
15) overlay film: the air-conditioning panel after step 14) is printed is sent into laminating machine, is giving the air-conditioning panel after printing just by laminating machine
Face is printed with ink layer and the back side of white background layer is covered with layer protecting film respectively.
Above-mentioned steps 1) in composition of raw materials are as follows:
EVA:69 parts
PPA:1.5 parts
Dispersing agent: 0.8 part
Antioxidant: 1.0 parts
Polyethylene wax: 9 parts
Titanate coupling agent: 1.5 parts
White oil: 0.9 part；
Modifying agent: 5 parts；
Fire retardant: 6 parts.
The composition of raw materials of above-mentioned fire retardant are as follows:
53 parts of triethyl phosphate
12 parts of hydrotalcite
8 parts of resorcinol
4 parts of sodium hydroxide
11 parts of antimony oxide
10 parts of alum
13 parts of odium stearate
10 parts of pentaerythrite
10 parts of melamine
3 parts of magnesium hydroxide
5 parts of ammonium polyphosphate
3 parts of sodium nitrate.
Above-mentioned steps 3) in barrel heating be divided into three sections, back segment is heated to 210-245 DEG C, Mid-section heating to 230-275 DEG C,
Leading portion is heated to 240-280 DEG C.
Above-mentioned steps 5) in inject specific steps include:
5-1) mold filling: the raw material of molten condition injection pressure effect under from barrel measuring room inflow type chamber beginning and be full of type
Chamber；
It 5-2) is compacted: after type chamber is full of by the raw material of molten condition, it is intracavitary to continue to say that the raw material of molten condition is pressed onto type, melts at this time
The speed for melting the raw material of state is gradually reduced；
5-3) pressure maintaining: the raw material of molten condition will continue to enter in type chamber under the injection pressure of screw rod, and it is molten to test material with filling
Body is because of gap caused by cooling meat, and the flowing velocity of the raw material of molten condition becomes slower at this time, melts in packing stage
The raw material of state gradually cools down in injection mold with injection mould cooling system, density be gradually increased and product gradually at
Type；
5-4) flow backwards: after pressure maintaining, screw rod backhaul returns to initial position, and nozzle exit pressure is dropped rapidly to zero, molten condition
Raw material can still have certain mobility at this moment, and under the action of cavity pressure, the raw material of molten condition is from type chamber to pouring
Injection system is flow backwards, and causes cavity pressure to decline, and the raw material of molten condition solidifies at cast gate, keeps refluence process envelope disconnected.
Above-mentioned steps 10) in the surface treatment of air-conditioning panel include:
10-1) foil-stamping: dyeing films → vacuum aluminum-coated → painting hot melt adhesive → thermoprint；
10-2) spraying decoration: plastic injection piece → surface degreasing → electrostatic precipitation → primer spray → drying → spray inter coat → spraying decoration
→ topcoating → drying.
The composition of raw materials of above-mentioned modifying agent are as follows:
12 parts of powdered lubricant
15 parts of haloflex
50 parts of titanium dioxide
6 parts of brightening agent
25 parts of melamine phosphate
130 parts of light calcium.
Example IV
A kind of injection molding process for arc air-conditioning panel of the present invention, includes the following steps:
1) raw material preparation: plastic material needed for forming air-conditioning panel injection molding by broken, mixing and stirring；
2) pretreatment of raw material: the raw material being stirred in step 1) is put into baking oven, and sets baking time and temperature；
3) heating of injection molding machine and injection mold: being heated to 215 DEG C -270 DEG C for the barrel of injection molding machine, by the heat in adapted to injection system
Runner is heated to 240 DEG C -255 DEG C, and the upper mold of injection mold is heated to 75 DEG C -85 DEG C, and the lower die of injection mold is heated
To 55 DEG C -65 DEG C；
4) raw material baked in step 2 is added to the barrel of injection molding machine, so that raw material is in molten condition；
5) injection for carrying out raw material, by the raw material of molten condition by the hot flow path that handle through step (3), then by nozzle
In injection mold after being injected into heating；
6) pressure maintaining: by injecting uniformly carry out pressure maintaining；
7) it is cooled and shaped；
8) it is opened: upper/lower die being opened, by manipulator or manually by the air-conditioning panel at production in injection mold mode
It takes out；
9) molding product is placed on and is cooled down at room temperature；
10) air-conditioning panel being cooled and shaped in step 9) is surface-treated；
11) it tests to the air-conditioning panel for having carried out surface treatment, the product of acceptance(check) is subjected to vanning storage, for not
Qualified product, carries out break process by crusher.
Above-mentioned injection molding process further include:
12) some transparent plastic sheets are used, pattern, the shape needed for thermocompression forming needed for silk-screen printing, punching
Required shape, back are sticked on two-sided adhesive sticker, are pasted on air-conditioning panel；
13) it screens: the crushed particles after step 11) being screened using screening machine, by satisfactory crushed particles and use
It is mixed in the raw material of injection molding air-conditioner housing；
14) print: manufactured air-conditioning panel is sent into printing machine, by printing machine in the back side of the transparent blanket of tabular successively off-set oil
Layer of ink and white background layer；
15) overlay film: the air-conditioning panel after step 14) is printed is sent into laminating machine, is giving the air-conditioning panel after printing just by laminating machine
Face is printed with ink layer and the back side of white background layer is covered with layer protecting film respectively.
Above-mentioned steps 1) in composition of raw materials are as follows:
EVA:60 parts
PPA:1.5 parts
Dispersing agent: 0.5 part
Antioxidant: 0.7 part
Polyethylene wax: 9 parts
Titanate coupling agent: 1.5 parts
White oil: 0.8 part；
Modifying agent: 4 parts；
Fire retardant: 5 parts.
The composition of raw materials of above-mentioned fire retardant are as follows:
53 parts of triethyl phosphate
12 parts of hydrotalcite
8 parts of resorcinol
4 parts of sodium hydroxide
11 parts of antimony oxide
10 parts of alum
13 parts of odium stearate
10 parts of pentaerythrite
10 parts of melamine
3 parts of magnesium hydroxide
5 parts of ammonium polyphosphate
3 parts of sodium nitrate.
Above-mentioned steps 3) in barrel heating be divided into three sections, back segment is heated to 210-245 DEG C, Mid-section heating to 230-275 DEG C,
Leading portion is heated to 240-280 DEG C.
Above-mentioned steps 5) in inject specific steps include:
5-1) mold filling: the raw material of molten condition injection pressure effect under from barrel measuring room inflow type chamber beginning and be full of type
Chamber；
It 5-2) is compacted: after type chamber is full of by the raw material of molten condition, it is intracavitary to continue to say that the raw material of molten condition is pressed onto type, melts at this time
The speed for melting the raw material of state is gradually reduced；
5-3) pressure maintaining: the raw material of molten condition will continue to enter in type chamber under the injection pressure of screw rod, and it is molten to test material with filling
Body is because of gap caused by cooling meat, and the flowing velocity of the raw material of molten condition becomes slower at this time, melts in packing stage
The raw material of state gradually cools down in injection mold with injection mould cooling system, density be gradually increased and product gradually at
Type；
5-4) flow backwards: after pressure maintaining, screw rod backhaul returns to initial position, and nozzle exit pressure is dropped rapidly to zero, molten condition
Raw material can still have certain mobility at this moment, and under the action of cavity pressure, the raw material of molten condition is from type chamber to pouring
Injection system is flow backwards, and causes cavity pressure to decline, and the raw material of molten condition solidifies at cast gate, keeps refluence process envelope disconnected.
Above-mentioned steps 10) in the surface treatment of air-conditioning panel include:
10-1) foil-stamping: dyeing films → vacuum aluminum-coated → painting hot melt adhesive → thermoprint；
10-2) spraying decoration: plastic injection piece → surface degreasing → electrostatic precipitation → primer spray → drying → spray inter coat → spraying decoration
→ topcoating → drying.
The composition of raw materials of above-mentioned modifying agent are as follows:
12 parts of powdered lubricant
15 parts of haloflex
50 parts of titanium dioxide
6 parts of brightening agent
25 parts of melamine phosphate
130 parts of light calcium.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, several improvement can also be made, these improvement also should be regarded as of the invention
Protection scope.
Claims (10)
1. a kind of injection molding process for arc air-conditioning panel, characterized by the following steps:
1) raw material preparation: plastic material needed for forming air-conditioning panel injection molding by broken, mixing and stirring；
2) pretreatment of raw material: the raw material being stirred in step 1) is put into baking oven, and sets baking time and temperature；
3) heating of injection molding machine and injection mold: being heated to 215 DEG C -270 DEG C for the barrel of injection molding machine, by the heat in adapted to injection system
Runner is heated to 240 DEG C -255 DEG C, and the upper mold of injection mold is heated to 75 DEG C -85 DEG C, and the lower die of injection mold is heated
To 55 DEG C -65 DEG C；
4) raw material baked in step 2 is added to the barrel of injection molding machine, so that raw material is in molten condition；
5) injection for carrying out raw material, by the raw material of molten condition by the hot flow path that handle through step (3), then by nozzle
In injection mold after being injected into heating；
6) pressure maintaining: by injecting uniformly carry out pressure maintaining；
7) it is cooled and shaped；
8) it is opened: upper/lower die being opened, by manipulator or manually by the air-conditioning panel at production in injection mold mode
It takes out；
9) molding product is placed on and is cooled down at room temperature；
10) air-conditioning panel being cooled and shaped in step 9) is surface-treated；
11) it tests to the air-conditioning panel for having carried out surface treatment, the product of acceptance(check) is subjected to vanning storage, for not
Qualified product, carries out break process by crusher.
2. the injection molding process according to claim 1 for arc air-conditioning panel, it is characterised in that: above-mentioned steps 1)
In composition of raw materials are as follows:
EVA:55-69 parts
PPA:1.5 parts
Dispersing agent: 0.2-0.8 parts
Antioxidant: 0.5-1.0 parts
Polyethylene wax: 9 parts
Titanate coupling agent: 1.5 parts
White oil: 0.6-0.9 parts；
Modifying agent: 2-5 parts；
Fire retardant: 3-6 parts.
3. the injection molding process according to claim 1 for arc air-conditioning panel, it is characterised in that: above-mentioned fire retardant
Composition of raw materials are as follows:
53 parts of triethyl phosphate
12 parts of hydrotalcite
8 parts of resorcinol
4 parts of sodium hydroxide
11 parts of antimony oxide
10 parts of alum
13 parts of odium stearate
10 parts of pentaerythrite
10 parts of melamine
3 parts of magnesium hydroxide
5 parts of ammonium polyphosphate
3 parts of sodium nitrate.
4. the injection molding process according to claim 1 for arc air-conditioning panel, it is characterised in that: above-mentioned steps 3)
Middle barrel heating is divided into three sections, and back segment is heated to 210-245 DEG C, and for Mid-section heating to 230-275 DEG C, leading portion is heated to 240-280
℃。
5. the injection molding process according to claim 1 for arc air-conditioning panel, it is characterised in that: above-mentioned steps 5)
The specific steps of middle injection include:
5-1) mold filling: the raw material of molten condition injection pressure effect under from barrel measuring room inflow type chamber beginning and be full of type
Chamber；
It 5-2) is compacted: after type chamber is full of by the raw material of molten condition, it is intracavitary to continue to say that the raw material of molten condition is pressed onto type, melts at this time
The speed for melting the raw material of state is gradually reduced；
5-3) pressure maintaining: the raw material of molten condition will continue to enter in type chamber under the injection pressure of screw rod, and it is molten to test material with filling
Body is because of gap caused by cooling meat, and the flowing velocity of the raw material of molten condition becomes slower at this time, melts in packing stage
The raw material of state gradually cools down in injection mold with injection mould cooling system, density be gradually increased and product gradually at
Type；
5-4) flow backwards: after pressure maintaining, screw rod backhaul returns to initial position, and nozzle exit pressure is dropped rapidly to zero, molten condition
Raw material can still have certain mobility at this moment, and under the action of cavity pressure, the raw material of molten condition is from type chamber to pouring
Injection system is flow backwards, and causes cavity pressure to decline, and the raw material of molten condition solidifies at cast gate, keeps refluence process envelope disconnected.
6. the injection molding process according to claim 1 for arc air-conditioning panel, it is characterised in that: above-mentioned steps
10) surface treatment of air-conditioning panel includes: in
10-1) foil-stamping: dyeing films → vacuum aluminum-coated → painting hot melt adhesive → thermoprint；
10-2) spraying decoration: plastic injection piece → surface degreasing → electrostatic precipitation → primer spray → drying → spray inter coat → spraying decoration
→ topcoating → drying.
7. the injection molding process according to claim 1 for arc air-conditioning panel, it is characterised in that: above-mentioned to be molded into
Type technique further include:
12) some transparent plastic sheets are used, pattern, the shape needed for thermocompression forming needed for silk-screen printing, punching
Required shape, back are sticked on two-sided adhesive sticker, are pasted on air-conditioning panel.
8. the injection molding process according to claim 2 for arc air-conditioning panel, it is characterised in that: above-mentioned modifying agent
Composition of raw materials are as follows:
12 parts of powdered lubricant
15 parts of haloflex
50 parts of titanium dioxide
6 parts of brightening agent
25 parts of melamine phosphate
130 parts of light calcium.
9. the injection molding process according to claim 7 for arc air-conditioning panel, it is characterised in that: above-mentioned to be molded into
Type technique further include:
13) it screens: the crushed particles after step 11) being screened using screening machine, by satisfactory crushed particles and use
It is mixed in the raw material of injection molding air-conditioner housing.
10. the injection molding process according to claim 9 for arc air-conditioning panel, it is characterised in that: above-mentioned injection molding
Moulding process further include:
14) print: manufactured air-conditioning panel is sent into printing machine, by printing machine in the back side of the transparent blanket of tabular successively off-set oil
Layer of ink and white background layer；
15) overlay film: the air-conditioning panel after step 14) is printed is sent into laminating machine, is giving the air-conditioning panel after printing just by laminating machine
Face is printed with ink layer and the back side of white background layer is covered with layer protecting film respectively.
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| CN201910920642.6A CN110509451A (en) | 2019-09-27 | 2019-09-27 | Injection molding process for arc-shaped air conditioner panel |
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| CN201910920642.6A CN110509451A (en) | 2019-09-27 | 2019-09-27 | Injection molding process for arc-shaped air conditioner panel |
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| CN111645254A (en) * | 2020-05-05 | 2020-09-11 | 江苏精新航空科技有限公司 | Preparation process of aviation interior PEI plastic part panel |
| CN111986349A (en) * | 2020-08-05 | 2020-11-24 | 深圳市路卓科技有限公司 | Automobile data recorder and shell forming process thereof |
| CN112140461A (en) * | 2020-09-22 | 2020-12-29 | 中山市泽一照明科技有限公司 | High-efficiency energy-saving plastic part injection molding process |
| CN113456267A (en) * | 2021-07-09 | 2021-10-01 | 上海驻净电子科技有限公司 | Flip cover structure for water adding cover of tooth flushing device and manufacturing method thereof |
| CN114407307A (en) * | 2021-12-21 | 2022-04-29 | 南京天路塑胶包装材料有限公司 | Injection molding process for household appliance shell |
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| CN113456267A (en) * | 2021-07-09 | 2021-10-01 | 上海驻净电子科技有限公司 | Flip cover structure for water adding cover of tooth flushing device and manufacturing method thereof |
| CN114407307A (en) * | 2021-12-21 | 2022-04-29 | 南京天路塑胶包装材料有限公司 | Injection molding process for household appliance shell |
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