CN108177291A - A kind of moulding production and processing technology - Google Patents
A kind of moulding production and processing technology Download PDFInfo
- Publication number
- CN108177291A CN108177291A CN201711430090.8A CN201711430090A CN108177291A CN 108177291 A CN108177291 A CN 108177291A CN 201711430090 A CN201711430090 A CN 201711430090A CN 108177291 A CN108177291 A CN 108177291A
- Authority
- CN
- China
- Prior art keywords
- moulding
- plastic
- processing technology
- segment temperature
- screw extruder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
- B29C45/0005—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor using fibre reinforcements
Abstract
The invention discloses a kind of moulding production and processing technologies, it is related to the technical field of electric product moulding, production and processing technology cooperation particular manufacturing craft according to granulation injection molding surface treatment surface spraying produces and processes moulding, and the moulding intensity produced is higher, yield rate is higher.
Description
Technical field
The present invention relates to the technical fields of electric product moulding, and in particular to a kind of moulding production and processing technology.
Background technology：
Higher and higher to mould the demand of Dai Gang with the development of auto industry, the requirement to technique is also increasingly stringenter, greatly
Application of the plastic injection-moulded plastic part on automobile is more and more, and for the considerations of reducing cost, exempts to spray Injection moulded part
Application range it is more and more wider.
The formation of moulding and mold, Shooting Technique, plastic material three have certain relationship, many times need three
Aspect, which all optimizes, could obtain good effect.But mold and plastic material are sometimes what cannot be changed, it can only
Set about from Shooting Technique.
In the prior art, generally use magnesium alloy materials make electronic product, including carrying out die casting with magnesium alloy materials,
Magnesium alloy materials after die casting are put into injection molding machine and are combined to form one with the plastic cement of melting, finally to molding magnesium alloy
Moulding carry out surface application, electronic product after molding, intensity is good, indeformable, not flexible, but it have it is following
Several defects：1st, magnesium alloy material needs that after carrying out die casting the shape that electronic product producer requires could be formed, and uses pressure
Production method is cast, equipment cost is high, while the explosive in die casting, and safety coefficient is low, easily causes personal and property safety；2、
Because magnesium alloy is metal material, there can be certain shielding action to the signal of communication product, consumer is caused to use
Trouble in journey.Easily cause the failure of communication apparatus.
Patent of invention such as Publication No. CN1820927A discloses a kind of injection moulding long glass fiber material moulding process,
Molding process is：PP+40%GF plastic grains are added in into the loading hopper of injection molding machine, barrel temperature is then made by heater
Degree 8.5 seconds time, is molded for several times at 250 DEG C, into die cavity, keeps pressure 5.8-12.5MPa, then will be liquefied
PP+40%GF plastics keep pressure 4.3-5.6MPa in die cavity, and the time is 5 seconds, and temperature is down to die sinking temperature in 60 seconds
Degree, finally demoulds, repaiies and cut, examine and pack, although can realize that light-weight, intensity is good, and suitable for Changchun one vapour M6 and C301
Vehicle radiator front end frame, but such long glass fiber material is in the application process of ultrathin electronic product plastic parts, still
So there are it is yielding the defects of, the tolerance of electronic product casing is caused to increase, is unfavorable for being equipped with, yield rate reduce.
Invention content
The purpose of the present invention is to provide a kind of moulding production and processing technologies, caused by the prior art above-mentioned to solve
Multinomial defect.
A kind of moulding production and processing technology, includes the following steps：
Step 1), granulation, the raw material granulation include following process：
Process 11), stock：According to mass fraction meter, according to PC plastic：Carbon fiber=1：1 is mixed；
Process 12), stirring：It will be stirred evenly in mixed PC plastic and carbon fiber injection agitator tank；
Process 13), prepare：By the PC plastic after stirring evenly and carbon fiber injection and twin-screw extrusion associated with pelleter
In machine, double screw extruder wherein screw speed is 110r/min, and first segment temperature is 230 DEG C, and second segment temperature is 220
DEG C, first segment temperature is 210 DEG C, and first segment temperature is 200 DEG C, and first segment temperature is 190 DEG C；
Process 14), cooling：The plastic raw materials squeezed out by double screw extruder are cooled down；
Process 15), pelletizing：Plastic raw materials after cooling, which are passed through in pelleter, carries out pelletizing, and the cutter speed of pelleter is
60r/min；
Process 16), transhipment：The plastic grain formed after pelletizing is collected into transport box, into next step；
The plastic grain obtained in step 1) is melted and is injected into the injection of bimetal screw rod by step 2), injection molding
In machine, molding obtains moulding；
Step 3), surface treatment carry out deburring using the corner being trimmed to molding moulding, then utilize 1000-
The sand paper of 1200 mesh at deburring to polishing.
Step 4), surface spraying will pass through step 3) treated moulding and carry out surface lacquer.
Preferably, in double screw extruder, first segment dwell pressure is 50mpa and the dwell time is 2min.
Preferably, cleaning process and drying process are further included between the step 3) and step 4), step 3) place will be passed through
The moulding of reason, which is put into cleaning solution, to be cleaned, and drying box is put into after cleaning into being dried, the temperature of drying box for 50 DEG C-
60℃。
Preferably, screening process is further included between the step 2) and step 3), rejecting surface has the injection for drawing white drawing crack
Part filters out the processing that pieces O.K. carries out step 3).
The advantage of the invention is that：The intensity of the moulding that production and processing technology in the present invention is produced is higher,
Yield rate is higher,
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, with reference to
Specific embodiment, the present invention is further explained.
Embodiment one
A kind of moulding production and processing technology, includes the following steps：
Step 1), granulation, the raw material granulation include following process：
Process 11), stock：According to mass fraction meter, according to PC plastic：Carbon fiber=1：1 is mixed；
Process 12), stirring：It will be stirred evenly in mixed PC plastic and carbon fiber injection agitator tank；
Process 13), prepare：By the PC plastic after stirring evenly and carbon fiber injection and twin-screw extrusion associated with pelleter
In machine, double screw extruder wherein screw speed is 110r/min, and first segment temperature is 230 DEG C, and second segment temperature is 220
DEG C, first segment temperature is 210 DEG C, and first segment temperature is 200 DEG C, and first segment temperature is 190 DEG C；
Process 14), cooling：The plastic raw materials squeezed out by double screw extruder are cooled down；
Process 15), pelletizing：Plastic raw materials after cooling, which are passed through in pelleter, carries out pelletizing, and the cutter speed of pelleter is
60r/min；
Process 16), transhipment：The plastic grain formed after pelletizing is collected into transport box, into next step；
The plastic grain obtained in step 1) is melted and is injected into the injection of bimetal screw rod by step 2), injection molding
In machine, molding obtains moulding；
Step 3), surface treatment carry out deburring using the corner being trimmed to molding moulding, then utilize 1000-
The sand paper of 1200 mesh at deburring to polishing.
Step 4), surface spraying will pass through step 3) treated moulding and carry out surface lacquer.
In the present embodiment, in double screw extruder, first segment dwell pressure is 50mpa and the dwell time is 2min.
Embodiment two
A kind of moulding production and processing technology, includes the following steps：
Step 1), granulation, the raw material granulation include following process：
Process 11), stock：According to mass fraction meter, according to PC plastic：Carbon fiber=1：1 is mixed；
Process 12), stirring：It will be stirred evenly in mixed PC plastic and carbon fiber injection agitator tank；
Process 13), prepare：By the PC plastic after stirring evenly and carbon fiber injection and twin-screw extrusion associated with pelleter
In machine, double screw extruder wherein screw speed is 110r/min, and first segment temperature is 230 DEG C, and second segment temperature is 220
DEG C, first segment temperature is 210 DEG C, and first segment temperature is 200 DEG C, and first segment temperature is 190 DEG C；
Process 14), cooling：The plastic raw materials squeezed out by double screw extruder are cooled down；
Process 15), pelletizing：Plastic raw materials after cooling, which are passed through in pelleter, carries out pelletizing, and the cutter speed of pelleter is
60r/min；
Process 16), transhipment：The plastic grain formed after pelletizing is collected into transport box, into next step；
The plastic grain obtained in step 1) is melted and is injected into the injection of bimetal screw rod by step 2), injection molding
In machine, molding obtains moulding；
Step 3), surface treatment carry out deburring using the corner being trimmed to molding moulding, then utilize 1000-
The sand paper of 1200 mesh at deburring to polishing.
Step 4), surface spraying will pass through step 3) treated moulding and carry out surface lacquer.
In the present embodiment, in double screw extruder, first segment dwell pressure is 50mpa and the dwell time is 2min.
In the present embodiment, cleaning process and drying process are further included between the step 3) and step 4), step will be passed through
The moulding of rapid 3) processing is put into cleaning solution and is cleaned, and drying box is put into after cleaning into being dried, the temperature of drying box
It is 50 DEG C -60 DEG C.
Embodiment three
A kind of moulding production and processing technology, includes the following steps：
Step 1), granulation, the raw material granulation include following process：
Process 11), stock：According to mass fraction meter, according to PC plastic：Carbon fiber=1：1 is mixed；
Process 12), stirring：It will be stirred evenly in mixed PC plastic and carbon fiber injection agitator tank；
Process 13), prepare：By the PC plastic after stirring evenly and carbon fiber injection and twin-screw extrusion associated with pelleter
In machine, double screw extruder wherein screw speed is 110r/min, and first segment temperature is 230 DEG C, and second segment temperature is 220
DEG C, first segment temperature is 210 DEG C, and first segment temperature is 200 DEG C, and first segment temperature is 190 DEG C；
Process 14), cooling：The plastic raw materials squeezed out by double screw extruder are cooled down；
Process 15), pelletizing：Plastic raw materials after cooling, which are passed through in pelleter, carries out pelletizing, and the cutter speed of pelleter is
60r/min；
Process 16), transhipment：The plastic grain formed after pelletizing is collected into transport box, into next step；
The plastic grain obtained in step 1) is melted and is injected into the injection of bimetal screw rod by step 2), injection molding
In machine, molding obtains moulding；
Step 3), surface treatment carry out deburring using the corner being trimmed to molding moulding, then utilize 1000-
The sand paper of 1200 mesh at deburring to polishing.
Step 4), surface spraying will pass through step 3) treated moulding and carry out surface lacquer.
In the present embodiment, in double screw extruder, first segment dwell pressure is 50mpa and the dwell time is 2min.
In the present embodiment, cleaning process and drying process are further included between the step 3) and step 4), step will be passed through
The moulding of rapid 3) processing is put into cleaning solution and is cleaned, and drying box is put into after cleaning into being dried, the temperature of drying box
It is 50 DEG C -60 DEG C.
In the present embodiment, screening process is further included between the step 2) and step 3), rejecting surface has the white drawing crack of drawing
Moulding, filter out pieces O.K. carry out step 3) processing.
The intensity of the moulding that production and processing technology in the present invention is produced is higher, yield rate is higher
As known by the technical knowledge, the present invention can pass through the embodiment party of other essence without departing from its spirit or essential feature
Case is realized.Therefore, embodiment disclosed above, all things considered are all merely illustrative, not the only.Institute
Have within the scope of the present invention or be included in the invention in the change being equal in the scope of the present invention.
Claims (4)
1. a kind of moulding production and processing technology, which is characterized in that include the following steps：
Step 1), granulation, the raw material granulation include following process：
Process 11), stock：According to mass fraction meter, according to PC plastic：Carbon fiber=1：1 is mixed；
Process 12), stirring：It will be stirred evenly in mixed PC plastic and carbon fiber injection agitator tank；
Process 13), prepare：By the PC plastic after stirring evenly and carbon fiber injection and double screw extruder associated with pelleter
In, double screw extruder wherein screw speed is 110r/min, and first segment temperature is 230 DEG C, and second segment temperature is 220 DEG C,
First segment temperature is 210 DEG C, and first segment temperature is 200 DEG C, and first segment temperature is 190 DEG C；
Process 14), cooling：The plastic raw materials squeezed out by double screw extruder are cooled down；
Process 15), pelletizing：Plastic raw materials after cooling, which are passed through in pelleter, carries out pelletizing, and the cutter speed of pelleter is 60r/
min；
Process 16), transhipment：The plastic grain formed after pelletizing is collected into transport box, into next step；
The plastic grain obtained in step 1) is melted and is injected into the injection molding machine of bimetal screw rod by step 2), injection molding,
Molding obtains moulding；
Step 3), surface treatment carry out deburring using the corner being trimmed to molding moulding, then utilize 1000-1200
Purpose sand paper at deburring to polishing.
Step 4), surface spraying will pass through step 3) treated moulding and carry out surface lacquer.
2. a kind of moulding production and processing technology according to claim 1, it is characterised in that：In double screw extruder, the
One section of dwell pressure is 50mpa and the dwell time is 2min.
3. a kind of moulding production and processing technology according to claim 1, it is characterised in that：The step 3) and step 4)
Between further include cleaning process and drying process, will be put into cleaning solution and clean by the moulding of step 3) processing, clearly
Drying box is put into after washing into being dried, the temperature of drying box is 50 DEG C -60 DEG C.
4. a kind of moulding production and processing technology according to claim 1, it is characterised in that：The step 2) and step 3)
Between further include screening process, rejecting surface has the moulding for drawing white drawing crack, filters out the processing of pieces O.K. progress step 3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711430090.8A CN108177291A (en) | 2017-12-26 | 2017-12-26 | A kind of moulding production and processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711430090.8A CN108177291A (en) | 2017-12-26 | 2017-12-26 | A kind of moulding production and processing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108177291A true CN108177291A (en) | 2018-06-19 |
Family
ID=62546956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711430090.8A Withdrawn CN108177291A (en) | 2017-12-26 | 2017-12-26 | A kind of moulding production and processing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108177291A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103358457A (en) * | 2013-08-05 | 2013-10-23 | 格林精密部件（惠州）有限公司 | Molding process for high-strength injection-molded part |
| CN104744772A (en) * | 2013-12-30 | 2015-07-01 | 青岛万力科技有限公司 | Glass fiber reinforced polyethylene powder |
-
2017
- 2017-12-26 CN CN201711430090.8A patent/CN108177291A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103358457A (en) * | 2013-08-05 | 2013-10-23 | 格林精密部件（惠州）有限公司 | Molding process for high-strength injection-molded part |
| CN104744772A (en) * | 2013-12-30 | 2015-07-01 | 青岛万力科技有限公司 | Glass fiber reinforced polyethylene powder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107803967A (en) | One kind injection high smooth product is without pressurize moulding process | |
| CN103358457A (en) | Molding process for high-strength injection-molded part | |
| KR101986590B1 (en) | Method for manufacturing recycled super engineering plastics using waste synthetic resins | |
| CN104960135A (en) | PP plastic injection molding process | |
| CN103192483A (en) | Injection molding process of PP (polypropylene) front bumper | |
| CN105235125A (en) | Poly ethylene (PE) material injection molding process | |
| CN104139485A (en) | Process for manufacturing bottom box of threading box | |
| CN106363864A (en) | ABS plastic television shell injection molding technology | |
| CN109664460A (en) | A kind of injection molding process of precise injection mould | |
| CN108177291A (en) | A kind of moulding production and processing technology | |
| CN110774517A (en) | Method for forming injection molding part shell of washing machine | |
| CN103834134A (en) | Modified ABS generation particle preparation method | |
| CN108329576A (en) | A kind of moisture-proof master batch and preparation method thereof for injection moulding regrinding-material | |
| CN106903835A (en) | A kind of injection molding process | |
| CN111055426A (en) | Injection molding process of PP drawer | |
| CN110936551A (en) | Plug-in assembly double-color injection molding process | |
| CN114426719B (en) | Rotational molding polyethylene composition and preparation method and application thereof | |
| JP2023516777A (en) | Method for preparing bisphenol F in solid form | |
| CN111993636A (en) | Injection molding process special for silicon hydrogel contact lens mold | |
| CN106827425A (en) | A kind of PA Plastic valves Shooting Technique | |
| CN108405815A (en) | A kind of automobile coated sand core shooting machine | |
| MXPA04002054A (en) | Method and apparatus for stabilizing material physical properties of recyclable bumpers. | |
| CN111055473A (en) | EPP epidermis plasticizing reduction molding process | |
| KR20190026562A (en) | Divided injection molding method and device for the same | |
| CN110027166A (en) | Bloom injection surface processing method in a kind of mould |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180619 |
|
| WW01 | Invention patent application withdrawn after publication |