CN109249578A - Thick member plastic cement injection forming method and its mold - Google Patents
Thick member plastic cement injection forming method and its mold Download PDFInfo
- Publication number
- CN109249578A CN109249578A CN201710570020.6A CN201710570020A CN109249578A CN 109249578 A CN109249578 A CN 109249578A CN 201710570020 A CN201710570020 A CN 201710570020A CN 109249578 A CN109249578 A CN 109249578A
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- Prior art keywords
- die cavity
- finished product
- germule
- blank
- thick member
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/03—Injection moulding apparatus
- B29C45/04—Injection moulding apparatus using movable moulds or mould halves
- B29C45/0441—Injection moulding apparatus using movable moulds or mould halves involving a rotational movement
-
- 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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
-
- 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
- B29C45/32—Moulds having several axially spaced mould cavities, i.e. for making several separated articles
-
- 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- 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
- B29C2045/0043—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks preventing shrinkage by reducing the wall thickness of the moulded article
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention relates to a kind of thick member plastic cement injection forming method and its molds, it is main to apply to the molding that thickness is more than the thick member plastic parts of 4mm, it is to have in a molding while building an at least germule die cavity and a finished product die cavity, wherein the thickness of the germule die cavity is necessarily less than finished parts thickness；And after molding die die sinking, obtains and move into the first blank in the finished product die cavity from the germule die cavity；Then again in the finished product die cavity first blank and the germule die cavity carry out projecting cladding and ejection formation simultaneously, through molding pressure maintaining and it is cooling after, while producing the first blank, finished parts；By above-mentioned injection molding method, pressure maintaining and cooling time when can substantially shorten ejection formation, therefore production cost can be greatly reduced, and improve production capacity.
Description
Technical field
The present invention relates to optics plastic molding technical fields, are espespecially more than the thick member plastic cement injection forming method of thickness 4mm
And its mold.
Background technique
General plastic cement ejection formation is to have penetrated an at least die cavity, a runner and an inlet in a secondary molding die,
Granular plastic material is heated rear as after fluid, fluid plastic is flowed into the shaping mould in a manner of screw mechanism formula
In tool, i.e., the fluid plastic finally must just arrive at and be filled with the die cavity, then through in the molding die through the inlet, runner
A set cooling water channel cools down the fluid plastic in the die cavity accordingly, after demoulding after allowing the fluid plastic to be finally shaped to solid
An as finished product plastic parts so just completes a circulation of plastic cement ejection formation.
Furthermore the plastic cement ejection formation generally for thick member is all to be used with an injection board with the use of one set of die
One-part form ejection formation, pressure maintaining prevent from shrinking, are opened taking-up again after cooling and solidifying, since finished product thickness to have to for a long time
Dwell time and cooling and solidifying time, with there is " shrink trace " to avoid product surface, therefore recycle entire ejection formation
Time is long, so that the processing procedure of production thick member product is at high cost, output is also low, so that thick member plastic parts finished product unit price is high.
Summary of the invention
In view of above-mentioned general thick member plastic cement injection molding method the problem of, then the present inventor is the exploitation of exhaustive thought
Thick member plastic cement injection forming method and its mold of the present invention out, thus present invention is primarily aimed at: provide for thick member plastic cement at
Type product is to use same Jet forming machine, and the mold design for a set of innovation structure of arranging in pairs or groups, so as to reach quickly production with
Reduce the manufacturing method thereof and its mold of cost；Secondary objective of the present invention is: having both full-automatic or or semi-automatic thick member modeling
Glue injection forming method and its mold.
In order to achieve the above object, event thick member plastic cement injection forming method of the present invention and its mold have used following technological means:
A kind of thick member plastic cement injection forming method of the present invention, include following step: a die cavity construction steps, are at one one-tenth
Pattern has while building an at least germule die cavity, a finished product die cavity, and wherein the thickness of the germule die cavity is necessarily less than finished parts thickness
Degree；One first time forming step, be simultaneously to the germule die cavity, finished product die cavity inject glue material, and form at least one just blank and
One finished parts；One just blank move into finished product die cavity step, be after molding die die sinking, by the first blank from the germule die cavity
It moves into the finished product die cavity, and the finished parts are then detached from the molding die；And second of ejection formation step, it is to the finished product
First blank and the germule die cavity in die cavity carry out projecting cladding and ejection formation simultaneously, after molding pressure maintaining and cooling, simultaneously
Produce the first blank, finished parts；By above steps, pressure maintaining and cooling time when can substantially shorten ejection formation, because
Production cost can be greatly reduced in this, and improves production capacity.
The above-mentioned first blank moves into the first blank move mode in finished product die cavity step, must be set as with manual or automatic makeup
It is set to it.
A kind of thick member plastic injecting mold of the present invention includes: a molding tool, includes a dynamic model side and a quiet mould
Side, and in the dynamic model side be equipped with a groove, and in bottom in the groove be equipped with a germule die cavity, a finished product die cavity, be located at this two
A runner and a locating cone between die cavity；And a mobile positioning mechanism, comprising a board and secondly location hole, the wherein board
It must sink in the groove of the dynamic model side, wherein a positioning hole must be inserted in the locating cone in the groove, and corresponding in the board
The germule die cavity, finished product die cavity are equipped with two support holes.
The above-mentioned first blank, finished parts must be set as engineering thermoplastic plastic cement, and it includes have polycarbonate (PC), poly- methyl-prop
E pioic acid methyl ester (PMMA), acrylonitrile-butadiene-styrene copolymer (ABS), polypropylene (PP), polyethylene terephthalate
Ester (PET), high density polyethylene (HDPE) (HDPE), low density polyethylene (LDPE) (LHPE), thermoplastic elastomer (TPE), thermoplastic poly amido first
Acid esters (TPU), polycarbonate+acrylonitrile-butadiene-styrene copolymer (PC/ABS), industrialization liquid crystal polymer (LCP),
The plastic material of polystyrene (PS), polyether-ether-ketone (PEEK) or polyether sulfone (PES)；Also, the minimum thickness of the finished parts is set
It is at least 4mm.
In the groove of the above-mentioned dynamic model side is germule die cavity on one side, and another side is the finished product die cavity that can be embedded to germule.
The above-mentioned runner is set as cold runner, and it includes having a sprue and a crossing current road, and the crossing current road is set as flowing on one side
Enter the germule die cavity, and another side then flows into the finished product die cavity, and one first-class in having on the crossing current road for flowing to the germule die cavity
Quantity regulating device, another side flow to and also are provided with a second flow regulating device on the crossing current road of the finished product die cavity.
The above-mentioned runner is set as hot runner, includes a hot runner (Hot runner) and a lateral thermal shunt plate
(manifold), and the transverse direction thermally shunts after plate flows into the germule die cavity direction on one side, reconnects hot runner and injects the germule mould
Cave reconnects the hot runner and injects the finished product die cavity after another side flows into the finished product die cavity direction.
The automation equipment is equipped in the above-mentioned dynamic model side, and the automation equipment includes a driving device, a shaft,
Wherein the driving device must drive the shaft, and the shaft must be arranged in the groove between two support holes set by board.
The above-mentioned driving device must be set as with electric motor, rotary cylinder, wheel and rack group or gear and chain group, so as to
Drive the shaft and board.
A closed circulation cooling water channel is equipped in the above-mentioned dynamic model side, quiet mould side, each closed circulation cooling water channel must be to this
Germule die cavity, finished product die cavity and its surrounding are cooled down.
Thick member plastic cement injection forming method and its mold of the present invention have used following technological means:
1. the present invention is a set of new die design device of being arranged in pairs or groups using mutually same Jet forming machine, by original design finished product
Thickness is split into a first blank and a finished parts, then the germule die cavity and finished product die cavity are designed simultaneously on same mold,
Can do the ejection formation of germule and finished product simultaneously, the thickness of germule is less than original design finished product thickness so that germule project at
Pressure maintaining when type with can substantially shorten cooling time, therefore the ejection formation production cost of " thick member plastic parts " can be greatly reduced,
And its production capacity is improved, while can have to avoid finished parts product surface " shrink trace ", to promote product quality and its yield.
2. the present invention be support is able to by a wherein board hole to live the first blank after first time ejection formation solidifies, and in
After die sinking, after which is ejected, rotated in such a way that manual or automatic makeup is set, then the first blank moved into the finished product die cavity
It is interior, and make second of ejection formation, so as to coating the first blank in the finished product die cavity, and complete a finished parts.
Detailed description of the invention
Fig. 1: for the molding state diagram of thick member plastic injection forming mold of the present invention.
Fig. 2: for the die opening state figure of thick member plastic injection forming mold of the present invention.
Fig. 3: for the combination section of first blank, the schematic diagram of finished parts and finished parts.
Fig. 4: for the flow chart of thick member plastic cement injection forming method of the present invention.
Fig. 5: for the schematic diagram of three template die cold runners of thick member plastic injection forming mold of the present invention.
Fig. 6: for the schematic diagram of two template die cold runners of thick member plastic injection forming mold of the present invention.
Fig. 7: for the schematic diagram of the hot runner system runner of thick member plastic injection forming mold of the present invention.
Fig. 8: for the automation equipment schematic diagram of thick member plastic injection forming mold of the present invention.
Fig. 9: for another automation equipment schematic diagram of thick member plastic injection forming mold of the present invention.
Description of symbols:
A: thick member plastic cement injection forming method；
B: thick member plastic injecting mold；
1: molding die；
2: dynamic model side；
20: groove；
21: germule die cavity；
22: finished product die cavity；
24: locating cone；
3: quiet mould side；
31: germule die cavity；
32: finished product die cavity；
4: mobile positioning mechanism；
41: board；
411: location hole；
42: automation equipment；
421: driving device；
422: shaft；
423: rotary cylinder；
5: three template die cold runners；
50: two template die cold runners；
500: hot runner；
51: sprue；
52: crossing current road；
53: first flow regulating device；
54: second flow regulating device；
6: closed circulation cooling water channel；
7: first blank；
8: finished parts；
T0: the minimum thickness of finished parts；
T1: the minimum thickness of first blank；
T21, T22: cladding thickness.
Specific embodiment
It is the present invention about a kind of thick member plastic cement injection forming method and its mold firstly, as shown in Figs.1 and 2,
Embodiment includes:
The present invention to be manufactured an optical finished parts 8, as shown in figure 3, it can be split into a first blank 7 and include just
One finished parts 8 of blank 7.And molding die 1 of the present invention is set to one group, wherein side is set as a quiet mould side 3 (also known as master mold),
Another side is then set as a dynamic model side 2 (also known as male model), and a germule die cavity 31 set by the quiet mould side 3 must correspond to 2 institute of dynamic model side
If a germule die cavity 21, and a finished product die cavity 32 set by the quiet mould side 3 must correspond to a finished product die cavity set by the dynamic model side 2
22。
One or the three template die cold runners 5 set by the quiet mould side 3 of molding die 1 of the present invention include a sprue 51 again, it
It is equipped with the crossing current road 52 that one side flows to the germule die cavity 31 from 51 bifurcated of sprue afterwards, and in the crossing current road of the germule die cavity 31
There is a first flow regulating device 53 on 52, another side flows to the crossing current road 52 of the finished product die cavity 32, and the finished product die cavity 32
Crossing current road 52 be equipped with a second flow regulating device 54, special one mentions, and the usual runner can set for three template die cold runners 5
It counts (such as Fig. 5), two template die cold runners 50 design (such as Fig. 6) or (is such as schemed using the 500 system runner design of hot runner of heat flux plates
7)。
Please refer to shown in Fig. 8 and Fig. 9, and it is then equipped with a mobile positioning mechanism 4 in mold dynamic model side 2, the movement is fixed
Position mechanism 4 includes a board 41, an automation equipment 42, and the automation equipment 42 must connect and set the board 41；This is automatic again
It also includes a driving device 421 and a shaft 422 that makeup, which sets 42, and the power source of the driving device 421 can be set as " electronic horse
Up to ", " oil pressure hydraulic cylinder ", " pneumatic cylinder drives gear and refining item group ", " gear and belt group " or " electric motor " directly rotation.
Special one mentions, and shown in Fig. 9, is connect by single-revolution cylinder 423 and sets the board 41 and its shaft 422.
It is the board 41 if being intended to rotate the first blank 7, this board 41 is avoiding emitted molding just blank 7 carrying
It falls off, after then first ejecting groove 20, then rotates 180 degree at the finished product die cavity 22 of the dynamic model side 2, which is then retracted into
In the groove 20, that is, the first blank 7 is allowed to enter in the finished product die cavity 22 of the dynamic model side 2；Special one mentions, in the first of the dynamic model side 2
Embryo die cavity 21 is nearby equipped with a positioning hole 411 set by a locating cone 24 and the board 41 and makees cooperation positioning, to avoid the board 41
It misplaces with the finished product die cavity 22 of the dynamic model side 2.And the board 41 ejection in groove 20,180 degree rotation, be retracted into groove 20 etc.
Circulation is shown as dynamic model, can be completed by aforementioned 42 mode of automation equipment, but do not limit to the automation equipment 42, can also be by people
After work band proximity gloves, 180 degree is come with hand to rotate the board 41, the first blank 7 is allowed to enter the finished product die cavity 22 of the dynamic model side 2
It is interior.
Therefore, molding die 1 of the present invention can allow general injection Jet forming machine and can form the first blank 7 simultaneously and be somebody's turn to do
Finished parts 8, making flowing mode please cooperate Fig. 2, Fig. 4, Fig. 8 as described below:
Movement one: molding.The board 41 of the dynamic model side 2 resets the germule die cavity 21 and finished product die cavity against the dynamic model side 2
22, and the dynamic model side 2 of the molding die 1 molds and to the quiet mould side 3 is mobile against mode locking.
Movement two: ejection formation.Plastics are melted via the screw rod spin friction that Jet forming machine expects pipe heats, melting modeling
Material is quantitatively projected via the expects pipe screw extruding, and the molten plastic flows through the sprue 51 of the quiet mould side 3 bifurcated passes through this again
Crossing current road 52 separately flow into the germule die cavity 31 and the finished product die cavity 32, in the early stage several times injection molding when using the germule mould
The second flow regulating device that cave 31 is flow in first flow regulating device 53 and the finished product die cavity 32 crossing current road 52 on road 52
54, its flow equilibrium is adjusted accordingly.
Movement three: pressure maintaining and cooling.It is cooling to compensate plastic rubber material that the machine screw rod of Jet forming machine maintains certain pressure pressure maintaining
It shrinks, until molten plastic cooling and solidifying.I.e. the dynamic model side 2, quiet mould side 3 are interior equipped with a closed circulation cooling water channel 6, respectively
Closed circulation cooling water channel 6, which is obtained, carries out acceleration cooling to the germule die cavity, finished product die cavity and its surrounding.
Movement four: the finished parts 8 are taken out in die sinking.When the dynamic model side 2 is opened far from quiet 3 side of mould, home position is retracted
Can just it stop afterwards, if the runner design of the quiet mould side 3 is three template die cold runners 5, which can be pulled off and be somebody's turn to do
First blank 7 and finished parts 8 separate.After i.e. home position is retracted in the dynamic model side 2, the board 41 of the dynamic model side 2 via the injection at
The type machine automation equipment 42 ejects in the movement of the groove 20 or by manually taking out in the groove 20, and the finished parts 8 are complete at this time
Finished product and the cold cold runner 5 of three template die can clamp via the manipulator on Jet forming machine or manually make taking-up movement.
Later, the board 41 of the dynamic model side 2 is via the automation equipment 42 on the molding die 1, such as uses rotary cylinder
423, electric motor or the board 41 is manually made into 180 degree rotation, positioning can be done with location hole 411 via the locating cone 24 and is matched
It closes, to allow the first blank 7 to enter in the finished product die cavity 22 of the dynamic model side 2.Later, the board 41 of the dynamic model side 2 is via injection
Automation equipment 42, electric motor or the artificial germule mould for doing homing action and the board 41 being made to abut the dynamic model side 2 of molding machine
Cave 21 and finished product die cavity 22, and then return to the initial position of movement one.
According to above-mentioned movement one to movement four can constantly repetitive cycling action produce to achieve the purpose that volume production product.
It please refers to shown in Fig. 3, it is perfect in order to obtain because of the thickness T0 for the finished parts 8 to be manufactured too thick factor
Finished surface, as far as possible reduction surface shrink trace, so that the thick member plastic cement ejection formed piece maximum production time is dynamic
Make three pressure maintainings and cooling stroke, but the minimum thickness T0 of manufactured finished parts 8 is splitted into this in the design of molding die of the present invention 1
The germule die cavity of the minimum thickness T1 of first blank 7, the finished product die cavity with the cladding thickness T2 of the finished parts 8, and the cladding thickness
T2 is equal to thickness T21 and adds the sum of T22 thickness, therefore the minimum thickness T0 of design finished product part 8 is equal to T1 and adds the sum of T2, make the present invention at
Two of pattern tool 1 are different, and die cavity can cool down simultaneously, therefore three pressure maintainings of movement and cooling time can be greatly reduced, and then drop
The circulation time (Cycle time) of low entire ejection formation, reduce the production cost of thick member plastic cement finished product, and increase board
Production capacity.
Special one mentions, and thick member plastic cement ejection formation plastic parts substrate can be general engineering thermoplastic in the aforementioned embodiment
Plastic cement includes the plastic cement such as PC, PMMA, ABS, PP, PET, HDPE, LHPE, TPE, TPU, PC/ABS, LCP, PS, PEEK, PES original
Material.
Therefore, advantages of the present invention and effect can be summarized as follows: [1] this thick member plastic cement products injection molding method will be original
Design finished product pattern is split into germule pattern and finished product pattern, can so reduce the molding thickness of ejection formation, and then can reduce
Pressure maintaining and cooling time injection molding manufacture procedure cost can be greatly decreased and improve production production capacity.[2] this thick member product ejection formation
Die device can design simultaneously germule pattern and finished product pattern in same mold, this mold can injection molding germule simultaneously
With the finished product plastic parts for including germule, this mold can allow injection emission forming machine or dijection emission forming machine and can produce.
A embodiment in summary, the present invention relates to a kind of thick member plastic cement injection forming method and its mold, and its structure
All books and periodicals had not been seen at important document or had openly been used, patent application important document is really met, have earnestly asked an ancient unit of weight office explicit example for reference, had been granted early special
Benefit, most sense are prayed；It should be noted that the above is that the specific embodiment of present application for patent and the technology used are former
It manages, if changing made by the conception according to present application for patent, generated function is still without departing from specification and attached drawing institute
When the spirit covered, it should all close in the range of present application for patent and give Chen Ming.
Claims (10)
1. a kind of thick member plastic cement injection forming method, which is characterized in that include following step:
One die cavity construction steps are to have while building an at least germule die cavity, a finished product die cavity in a molding, wherein described first
The thickness of embryo die cavity is necessarily less than finished parts thickness；
One first time ejection formation step is to inject glue material to the germule die cavity, finished product die cavity simultaneously, and form at the beginning of at least one
Blank and a finished parts；
One just blank move into finished product die cavity step, be after molding die die sinking, will it is described at the beginning of blank from the germule mould
Cave moves into the finished product die cavity, and the finished parts are then detached from the molding die；And
One second of ejection formation step is to the first blank and the germule die cavity in the finished product die cavity while to project
Cladding and ejection formation after molding pressure maintaining and cooling, while producing the just blank, finished parts.
2. thick member plastic cement injection forming method according to claim 1, which is characterized in that the just blank moves into finished product die cavity
First blank move mode in step is set to it by manual or automatic makeup.
3. a kind of thick member plastic injecting mold, which is characterized in that include:
A molding tool includes a dynamic model side and a quiet mould side, and is equipped with a groove in the dynamic model side, and in the groove
Interior bottom be equipped with a germule die cavity, a finished product die cavity, the runner between the germule die cavity and the finished product die cavity and
One locating cone；And
One mobile positioning mechanism, comprising a board and secondly location hole, wherein the board is sunk in the groove of the dynamic model side,
Wherein a positioning hole must be inserted in the locating cone in the groove, and the board corresponds to the germule die cavity, finished product die cavity is set
There are two support holes；The first blank after support lives molded solidification, and the board after die sinking are able to by a wherein board hole
By manual or automatic makeup top set go out, rotation after, after the locating cone must be inserted in by another location hole, then will it is described at the beginning of blank
It moves into the finished product die cavity, and ejection formation once again, so as to coating the just blank in the finished product die cavity, and completes one
Finished parts.
4. thick member plastic injecting mold according to claim 3, which is characterized in that just blank, the finished parts must be set as heat
Plastic engineering plastic cement, it includes have polycarbonate (PC), polymethyl methacrylate (PMMA), acrylonitrile-butadiene-styrene (ABS)
Copolymer (ABS), polypropylene (PP), polyethylene terephthalate (PET), high density polyethylene (HDPE) (HDPE), low-density are poly-
Ethylene (LHPE), thermoplastic elastomer (TPE), thermoplastic polyurethane (TPU), polycarbonate+acrylonitrile-butadiene-benzene
Ethylene copolymer (PC/ABS), industrialization liquid crystal polymer (LCP), polystyrene (PS), polyether-ether-ketone (PEEK) or polyether sulfone
(PES) plastic material；Also, the minimum thickness of the finished parts is set as at least 4mm.
5. thick member plastic injecting mold according to claim 3, which is characterized in that in the groove of the dynamic model side is on one side
Germule die cavity, another side are the finished product die cavitys that can be embedded to germule.
6. thick member plastic injecting mold according to claim 3, which is characterized in that the runner is set as cold runner, it includes
There are a sprue and a crossing current road, and the crossing current road is set as flowing into the germule die cavity on one side, and described in another side then flows into
Finished product die cavity, and have a first flow regulating device on the crossing current road for flowing to the germule die cavity, another side flow to it is described at
A second flow regulating device also is provided on the crossing current road of product die cavity.
7. thick member plastic injecting mold according to claim 3, which is characterized in that the runner is set as hot runner, includes
After one hot runner and one laterally thermally shunts plate, and the laterally thermal shunt plate flows into germule die cavity direction on one side, reconnect
Hot runner injects the germule die cavity and reconnects the hot runner after another side flows into finished product die cavity direction and inject institute
State finished product die cavity.
8. thick member plastic injecting mold according to claim 3, which is characterized in that be equipped with the automation in the dynamic model side
Device, and the automation equipment includes a driving device, a shaft, wherein the driving device must drive the shaft,
The shaft is arranged in the groove between two support holes set by board again.
9. thick member plastic injecting mold according to claim 8, which is characterized in that the driving device must be set as with electronic horse
It reaches, rotary cylinder, wheel and rack group or gear and chain group, so as to driving the shaft and board.
10. thick member plastic injecting mold according to claim 3, which is characterized in that be equipped with one in the dynamic model side, quiet mould side
Closed circulation cooling water channel, each closed circulation cooling water channel must cool down the germule die cavity, finished product die cavity and its surrounding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710570020.6A CN109249578A (en) | 2017-07-13 | 2017-07-13 | Thick member plastic cement injection forming method and its mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710570020.6A CN109249578A (en) | 2017-07-13 | 2017-07-13 | Thick member plastic cement injection forming method and its mold |
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| Publication Number | Publication Date |
|---|---|
| CN109249578A true CN109249578A (en) | 2019-01-22 |
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| CN201710570020.6A Pending CN109249578A (en) | 2017-07-13 | 2017-07-13 | Thick member plastic cement injection forming method and its mold |
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|---|---|---|---|---|
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| CN105818325A (en) * | 2016-04-01 | 2016-08-03 | 上海小糸车灯有限公司 | Thick wall plastic part surrounding type layered injection molding method and mold structure and lens product thereof |
| CN206242355U (en) * | 2016-12-15 | 2017-06-13 | 浙江天合车灯有限公司 | The multistation post forming mould of thick plastic |
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| JP2002264177A (en) * | 2001-03-12 | 2002-09-18 | Toto Ltd | Injection mold |
| TW200305495A (en) * | 2003-07-11 | 2003-11-01 | Deng-Ren Yang | Method for injecting dual-colored plastic materials and mold structure for same |
| CN1727169A (en) * | 2004-06-09 | 2006-02-01 | 株式会社日本制钢所 | Shaping method of thick light guiding plate and its mould |
| CN105818325A (en) * | 2016-04-01 | 2016-08-03 | 上海小糸车灯有限公司 | Thick wall plastic part surrounding type layered injection molding method and mold structure and lens product thereof |
| CN206242355U (en) * | 2016-12-15 | 2017-06-13 | 浙江天合车灯有限公司 | The multistation post forming mould of thick plastic |
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