CN109203368A - A kind of GCP aided injection mould machine can be improved plastic surface quality - Google Patents
A kind of GCP aided injection mould machine can be improved plastic surface quality Download PDFInfo
- Publication number
- CN109203368A CN109203368A CN201810869343.XA CN201810869343A CN109203368A CN 109203368 A CN109203368 A CN 109203368A CN 201810869343 A CN201810869343 A CN 201810869343A CN 109203368 A CN109203368 A CN 109203368A
- Authority
- CN
- China
- Prior art keywords
- gas
- gcp
- surface quality
- plastic surface
- injection mould
- 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.)
- Pending
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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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1703—Introducing an auxiliary fluid into the mould
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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
- 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
- B29C45/34—Moulds having venting means
-
- 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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
Abstract
The present invention provides a kind of GCP aided injection mould machine that can be improved plastic surface quality, it passes through external flow divider and pipeline, it will be moved outside air flue, on the one hand blocking, air pressure problem of non-uniform brought by internal complicated air flue are avoided, on the other hand the flow divider and pipeline that it can be used repeatedly, can high degree save Mold Making cost, have good applicability.
Description
Technical field
The present invention relates to a kind of injection molding machines, and in particular to a kind of GCP aided injection mould machine that can be improved plastic surface quality.
Background technique
Gas back pressure (Gas counter pressure, GCP) technology is a kind of dynamic gas Pressure Control Technology,
Control parameter includes GCP pressure and GCP action time.In recent years, GCP technology is successfully applied to Shooting Technique, forms GCP
Assisted injection molding process.According to the difference of Shooting Technique, GCP assisted injection molding process can be divided into the conventional injection molding of GCP auxiliary
(Conventional injection molding, CIM) technique, GCP assistant chemical frothing injection technique and GCP auxiliary are micro-
Hole frothing injection (Microcellular injection molding, MIM) technique, mold used in above-mentioned three kinds of technique
Respectively GCP assists CIM mold, GCP assistant chemical frothing injection mold and GCP assistant micropore frothing injection mold, is referred to as
GCP aided injection mould mold.In GCP auxiliary CIM technique, GCP technology can reversely press to the melt in filling process, solution
Certainly in CIM technique flow front melt pressure deficiency problem, thus improve molding plastic dimensional accuracy.In GCP auxiliaryization
It learns in frothing injection technique and GCP assistant micropore frothing injection technique, GCP technology can effectively eliminate the spiral shell on frothing injection part surface
The gas trace defect such as lira, crazing significantly improves the surface quality of molding plastic, without beating in the production of conventional frothing injection part
The secondary operation processes such as mill, Lacquer finish and spraying, are effectively reduced production cost and energy consumption, reduce environmental pollution.
In the prior art, it is equipped with main airway and branch airway in mold, provides gas for gas back pressure.There are three for the technology
Disadvantage: 1, Mold Making is complicated, and each mold requires to make different air flues；2, air flue is located at mould inside, once blocking
Gas back pressure effect is seriously affected, plastic surface quality is influenced；3, air passage structure is complicated, be easy to cause each point air pressure to differ, shadow
Ring plastic surface quality.
Therefore a kind of GCP aided injection mould machine that can be improved plastic surface quality is needed.
Summary of the invention
To solve the problems, such as above-mentioned, the purpose of the present invention is to provide a kind of plastic surface quality that can be improved
GCP aided injection mould machine will be moved by external flow divider and pipeline outside air flue, on the one hand avoid internal complicated air flue institute band
The blocking that comes, air pressure problem of non-uniform, on the other hand the flow divider and pipeline that it can be used repeatedly, can high degree save mould
Have cost of manufacture, there is good applicability.
In order to achieve the above objectives, the technical scheme is that
A kind of GCP aided injection mould machine can be improved plastic surface quality, which is characterized in that including injection structure and gas back pressure
Device, the injection structure include driving device, injecting cavity, feed hopper, nozzle and heater, and the injecting cavity is cylindrical in shape, institute
It states driving device to be arranged at injecting cavity rear portion, the nozzle is set to injecting cavity front, and the feed hopper is set on injecting cavity
Portion, the heater are arranged around injecting cavity, and the gas back pressure device includes air compressor, valve, booster pump, level-one tune
Pressure valve, first class pressure table and level-one pipeline, the air compressor, valve, booster pump, level-one pressure regulator valve and first class pressure table are logical
It crosses level-one pipeline to be sequentially connected, the level-one pipe end is equipped with gas diverter, and the gas diverter includes several
Gas branchline coupler, the gas branchline coupler are connected with secondary canalization.In use, air compressor is mentioned by booster pump
For high pressure gas, high pressure gas is interfaced directly to each gas point by gas diverter and secondary canalization, to realize gas
It is moved outside road, on the one hand avoids blocking, air pressure problem of non-uniform brought by internal complicated air flue, on the other hand it can be used repeatedly
Flow divider and pipeline.
As a further improvement of the foregoing solution, divide on secondary canalization corresponding to every gas branchline coupler all the way
It She You not second voltage regulation valve.The setting can carry out pressure regulation to each gas branch, to keep each branch air pressure more balanced.
As a further improvement of the foregoing solution, divide on secondary canalization corresponding to every gas branchline coupler all the way
It She You not secondary pressure table.The setting can make pressure regulation process more intuitive, accurate.
As a further improvement of the foregoing solution, divide on secondary canalization corresponding to every gas branchline coupler all the way
It She You not check valve.The setting can prevent in injection molding engineering, and melten gel enters and blocks secondary canalization.
As a further improvement of the foregoing solution, divide on secondary canalization corresponding to every gas branchline coupler all the way
It is not successively arranged second voltage regulation valve, secondary pressure table and check valve.A kind of preferred embodiment of the structure as above structure, can be with
Preferably control gas back pressure process.
As a further improvement of the foregoing solution, the injection structure is single screw rod injection molding machine.
As a further improvement of the foregoing solution, the gas diverter is gas distribution valve.
Detailed description of the invention
Fig. 1 is a kind of GCP aided injection mould machine structure that can be improved plastic surface quality provided by the embodiment of the present invention
Schematic diagram.
Wherein:
1, driving device；2, injecting cavity；3, feed hopper；4, nozzle；5, heater；6, air compressor；7, valve；8, it is pressurized
Pump；9, level-one pressure regulator valve；10, first class pressure table；11, level-one pipeline；12, gas diverter；13, gas branchline coupler；
14, secondary canalization；15, second voltage regulation valve；16, secondary pressure table；17, check valve.
Specific embodiment
Below with reference to embodiment and attached drawing to the specific effect of the design of the invention, specific structure and generation into
Clear, the complete description of row, adequately to understand the purpose, feature and effect of the invention.Every skill of the invention
Art feature, can be with combination of interactions under the premise of not conflicting conflict.
Referring to Fig. 1, a kind of GCP aided injection mould machine can be improved plastic surface quality, which is characterized in that tied including injection molding
Structure and gas back pressure device, the injection structure include driving device 1, injecting cavity 2, feed hopper 3, nozzle 4 and heater 5, institute
It states injecting cavity 2 to be cylindrical in shape, the driving device 1 is arranged at 2 rear portion of injecting cavity, and the nozzle 4 is set to 2 front of injecting cavity, institute
It states feed hopper 3 and is set to 2 top of injecting cavity, the heater 5 is arranged around injecting cavity 2, and the gas back pressure device includes sky
Air compressor 6, valve 7, booster pump 8, level-one pressure regulator valve 9, first class pressure table 10 and level-one pipeline 11, the air compressor 6,
Valve 7, booster pump 8, level-one pressure regulator valve 9 and first class pressure table 10 are sequentially connected by level-one pipeline 11, the level-one pipeline 11
End is equipped with gas diverter 12, if the gas diverter 12 includes dry gas branchline coupler 13, the gas branch
Path connector 13 is connected with secondary canalization 14.
As a further improvement of the foregoing solution, described per secondary canalization 14 corresponding to gas branchline coupler 13 all the way
It is upper to be successively arranged second voltage regulation valve 15, secondary pressure table 16 and check valve 17 respectively.
As a further improvement of the foregoing solution, the injection structure is single screw rod injection molding machine.
As a further improvement of the foregoing solution, the gas diverter 12 is gas distribution valve.
It should be noted that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting.Although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to the technology of invention
Scheme is modified or replaced equivalently, and without departing from the range of technical solution of the present invention, should all be covered in power of the invention
In sharp claimed range.
Claims (7)
1. a kind of GCP aided injection mould machine that can be improved plastic surface quality, which is characterized in that anti-including injection structure and gas
Pressure device, the injection structure include driving device (1), injecting cavity (2), feed hopper (3), nozzle (4) and heater (5), institute
It states injecting cavity (2) to be cylindrical in shape, the driving device (1) is arranged at injecting cavity (2) rear portion, and the nozzle (4) is set to injecting cavity
(2) front, the feed hopper (3) are set to injecting cavity (2) top, and the heater (5) is arranged around injecting cavity (2), described
Gas back pressure device includes air compressor (6), valve (7), booster pump (8), level-one pressure regulator valve (9), first class pressure table (10)
And level-one pipeline (11), the air compressor (6), valve (7), booster pump (8), level-one pressure regulator valve (9) and first class pressure table
(10) it is sequentially connected by level-one pipeline (11), level-one pipeline (11) end is equipped with gas diverter (12), the gas
For body part flow arrangement (12) if including dry gas branchline coupler (13), the gas branchline coupler (13) is connected with secondary canalization
(14).
2. a kind of GCP aided injection mould machine that can be improved plastic surface quality according to claim 1, which is characterized in that
Second voltage regulation valve (15) are respectively equipped on secondary canalization (14) corresponding to every gas branchline coupler (13) all the way.
3. a kind of GCP aided injection mould machine that can be improved plastic surface quality according to claim 1, which is characterized in that
Secondary pressure table (16) are respectively equipped on secondary canalization (14) corresponding to every gas branchline coupler (13) all the way.
4. a kind of GCP aided injection mould machine that can be improved plastic surface quality according to claim 1, which is characterized in that
Check valve (17) are respectively equipped on secondary canalization (14) corresponding to every gas branchline coupler (13) all the way.
5. a kind of GCP aided injection mould machine that can be improved plastic surface quality according to claim 1, which is characterized in that
It is described per gas branchline coupler (13) all the way corresponding to be successively arranged on secondary canalization (14) respectively second voltage regulation valve (15),
Secondary pressure table (16) and check valve (17).
6. a kind of GCP aided injection mould machine that can be improved plastic surface quality according to claim 1, which is characterized in that
The injection structure is single screw rod injection molding machine.
7. a kind of GCP aided injection mould machine that can be improved plastic surface quality according to claim 1, which is characterized in that
The gas diverter (12) is gas distribution valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810869343.XA CN109203368A (en) | 2018-08-02 | 2018-08-02 | A kind of GCP aided injection mould machine can be improved plastic surface quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810869343.XA CN109203368A (en) | 2018-08-02 | 2018-08-02 | A kind of GCP aided injection mould machine can be improved plastic surface quality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109203368A true CN109203368A (en) | 2019-01-15 |
Family
ID=64987987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810869343.XA Pending CN109203368A (en) | 2018-08-02 | 2018-08-02 | A kind of GCP aided injection mould machine can be improved plastic surface quality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109203368A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1219463A (en) * | 1997-05-07 | 1999-06-16 | 出光石油化学株式会社 | Method of obtaining gas-introduced fiber-reinforced resin injection molding and molding obtained by the same |
| CN203752439U (en) * | 2014-04-01 | 2014-08-06 | 宁波金晟模塑有限公司 | Mould used for manufacturing car top ceiling handle |
-
2018
- 2018-08-02 CN CN201810869343.XA patent/CN109203368A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1219463A (en) * | 1997-05-07 | 1999-06-16 | 出光石油化学株式会社 | Method of obtaining gas-introduced fiber-reinforced resin injection molding and molding obtained by the same |
| CN203752439U (en) * | 2014-04-01 | 2014-08-06 | 宁波金晟模塑有限公司 | Mould used for manufacturing car top ceiling handle |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190115 |
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| RJ01 | Rejection of invention patent application after publication |