CN102059779A - Rotating laminated type injection mould and injection method using same - Google Patents
Rotating laminated type injection mould and injection method using same Download PDFInfo
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- CN102059779A CN102059779A CN2010105607968A CN201010560796A CN102059779A CN 102059779 A CN102059779 A CN 102059779A CN 2010105607968 A CN2010105607968 A CN 2010105607968A CN 201010560796 A CN201010560796 A CN 201010560796A CN 102059779 A CN102059779 A CN 102059779A
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Abstract
The invention relates to the technical field of an injection mould, and in particular relates to a rotating laminated type injection mould and an injection method using the same. The mould comprises a fixed mould main body and a movable mould main body, wherein the fixed mould main body comprises a fixed mould plate and a fixed mould chamber, the movable mould main body comprises a movable mould plate, an ejection mechanism and a movable mould chamber, the movable mould chamber is coupled with a rotating disk, one side of the mould is provided with a driving device which drives the rotating disk to rotate, the rotating disk is annularly provided with at least two embedding pieces which are set according to the thickness of a product, and the fixed mould chamber is provided with cavities which are matched with the embedding pieces. As the rotating disk rotates, the embedding pieces arranged at the rotating disk and the cavities arranged at the fixed mould chamber are closed, glued and cooled to be formed and opened, and the transparent product with the special thickness is divided to be subjected to alternated type or laminated type injection at least twice. The invention is reasonable in structure, the size of a mould blank is reduced, the indentation on the surface of the transparent product with the special thickness is controlled, the easily generated air bubble of an inner core is avoided, the injection period is shortened, and the production cost is reduced.
Description
Technical field
The present invention relates to the injection mold technical field, particularly a kind of injection moulding process that rotates the laminated type injection mold and use this mould.
Background technology
At present, the application of whirligig on plastic injection mold is many.Do not carry out on the double-color mold in alternative expression, the laminated type injection moulding but be used in, described alternative expression, laminated type injection moulding are the opaque products in order to the injection moulding specific thicknesses.
In the prior art, the opaque products of injection moulding specific thicknesses generally is divided into two classes, one class is that design one mold carries out injection moulding production, but,, need guarantee clamp force during injection moulding for fear of surface depression and goods bubble because this product requirement reaches specific thickness, therefore, the mould volume needs to strengthen, and the tonnage of corresponding injection machine also need strengthen, and product requirement reaches specific thickness, prolong then corresponding cool time, forms more bubble easily in opaque products; Another kind of is to make many molds, the opaque products that is about to specific thicknesses is divided into several five equilibriums, again each five equilibrium is made a mold, every mold is 1.5 times of product volume, the some of goods is finished in an injection machine injection moulding, treat for the second time in addition repeatedly the injection moulding of many injection machine laminations to specific thicknesses, described injection cycle is long, yield poorly down, back and forth the multiple computer desk die sinking is taken out and is packed into, easily stay impression of the hand, the ingress of air dust easily causes defectives such as impurity, waste product increases, so cause many times of increases of production cost.
Summary of the invention
The purpose of this invention is to provide a kind of rational in infrastructurely, dwindle original mold base size, the injection moulding process that control product surface depression, interior stamen easily produce bubble and shorten injection cycle, the rotation laminated type injection mold that reduces production costs and use this mould.
The object of the present invention is achieved like this:
A kind of rotation laminated type injection mold, comprise that cover half is overall and dynamic model is overall, described cover half totally comprises solid plate and cover half chamber, described dynamic model totally comprises moving platen, ejecting mechanism and dynamic model chamber, described dynamic model chamber is connected with a rotating disc, mould one side is provided with and drives the drive unit that rotating disc rotates, and described rotating disc is equipped with at least two mold inserts that are provided with according to product thickness, and described cover half chamber is provided with the die cavity that cooperates with mold insert.
Wherein, described drive unit comprises fixed head, and this fixed head one end is provided with drive rod, and described fixed head offers groove, is provided with tooth bar in this groove, and tooth bar one end is connected with drive rod.
Wherein, described rotating disc periphery is equipped with the gear that cooperates with tooth bar.
Wherein, described rotating disc is provided with at least two group mold inserts, and every group of mold insert is at least two.
Wherein, described cover half chamber is provided with at least two group die cavities corresponding with the mold insert of rotating disc, and what every group of die cavity was corresponding with mold insert is provided with at least two.
Wherein, the injection moulding process of described rotation laminated type injection mold:
A, matched moulds for the first time make mold insert and die cavity matched moulds.
B, injecting glue for the first time: to the minimum die cavity injecting glue behind the matched moulds.
C, cooling for the first time: make the plastic cement cooling forming that is filled into die cavity.
D, die sinking for the first time: make mold insert shift out minimum die cavity and obtain shaped article for the first time, but the product of this time moulding is fixed on the mold insert of rotating disc and needn't takes off, this moment, rotating disc rotated to the second die cavity position.
E, matched moulds for the second time: the product and the second die cavity matched moulds of moulding for the first time.
F, injecting glue for the second time: to the second die cavity injecting glue behind the matched moulds.
G, cooling for the second time: make the product of moulding for the first time and the plastic cement cooling stack that is injected into second die cavity be shaped to one.
H, die sinking for the second time: the product that stack is shaped to one takes out, and obtains final products.
After the h step, also comprise:
I, matched moulds for the third time: described rotating disc rotates to the 3rd die cavity position, makes for the first time and the product and the 3rd die cavity matched moulds of second moulding;
J, injecting glue for the third time: to the 3rd die cavity injecting glue behind the matched moulds;
K, cooling for the third time: make for the first time and the product of the moulding that superposes for the second time and the plastic cement cooling that is injected into the 3rd die cavity once more stack be shaped to one;
L, die sinking for the third time: make mold insert shift out the product that three type die cavities obtain three stack moulding.
Beneficial effect of the present invention is: a kind of rotation laminated type injection mold of the present invention, comprise that cover half is overall and dynamic model is overall, described cover half totally comprises solid plate and cover half chamber, described dynamic model totally comprises moving platen, ejecting mechanism and dynamic model chamber, described dynamic model chamber is connected with a rotating disc, mould one side is provided with and drives the drive unit that rotating disc rotates, described rotating disc is equipped with at least two mold inserts that are provided with according to product thickness, described cover half chamber is provided with the die cavity that cooperates with mold insert, the present invention drives the rotating disc rotation by drive unit, make dynamic model and cover half through repeatedly alternative expression or terrace injection moulding, obtain the opaque products of specific thicknesses, the present invention is rational in infrastructure, has dwindled original mold base size, the opaque products surface depression of control specific thicknesses, stamen easily produces bubble and shortens injection cycle in avoiding, reduced production cost.
A kind of injection moulding process that rotates the laminated type injection mold, the present invention rotates by rotating disc, make the mold insert of being located at rotating disc and repeatedly matched moulds, injecting glue, the cooling forming of being located at the die cavity in cover half chamber, die sinking, opaque products with specific thicknesses, be divided at least twice alternative expression or terrace injection moulding, dwindled original mold base size like this, stamen easily produced bubble and shortening injection cycle, has reduced production cost in the opaque products surface of control specific thicknesses was caved in, avoided.In addition, injection moulding can be finished on a mold, so injection moulding is convenient, injection time is short, is beneficial to batch process.
Description of drawings
Fig. 1 is the structural representation that the present invention rotates the laminated type injection mold.
Fig. 2 is the decomposing schematic representation that the present invention rotates the laminated type injection mold.
Reference numeral:
1---rotating disc 2---mold insert
3---die cavity 4---fixed head
5---drive rod 6---groove
7---tooth bar 8---gear.
The specific embodiment
The invention will be further described with embodiment below, is not practical range of the present invention is limited to this.
A kind of rotation laminated type injection mold, comprise that cover half is overall and dynamic model is overall, described cover half totally comprises solid plate and cover half chamber, described dynamic model totally comprises moving platen, ejecting mechanism and dynamic model chamber, described dynamic model chamber is connected with a rotating disc 1, the axle rotation of this rotating disc 1 moving die cavity, mould one side are provided with and drive the drive unit that rotating disc 1 rotates, and described rotating disc 1 is equipped with at least two mold inserts 2 that are provided with according to product thickness.Opaque products according to specific thicknesses is divided into a plurality of five equilibriums, each five equilibrium is provided with a mold insert 2, certainly according to the different-thickness and the size of opaque products, divide the five equilibrium and the number that mold insert 2 is set of opaque products flexibly, and described cover half chamber is provided with the die cavity 3 that cooperates with mold insert 2, and the number of this die cavity 3 also is that the number of corresponding mold insert 2 rationally is provided with.Mold insert 2 is cooperated with die cavity 3, and lamination one by one in order is with the opaque products injection mo(u)lding of specific thicknesses.
Wherein, described drive unit comprises fixed head 4, and these fixed head 4 one ends are provided with drive rod 5, described fixed head 4 offers groove 6, be provided with tooth bar 7 in this groove 6, tooth bar 7 one ends are connected with drive rod 5, and described rotating disc 1 periphery is equipped with the gear 8 that cooperates with tooth bar 7.After tooth bar 7 meshed with gear 8, described drive rod 5 promoted tooth bars 7 and moves in groove 6, and 1 rotation of driven rotary dish realized repeatedly injection moulding of the present invention with this when tooth bar 7 moved.
Wherein, described rotating disc 1 is provided with at least two group mold inserts 2, every group of mold insert 2 is at least two, described cover half chamber is provided with at least two group die cavities 3 corresponding with the mold insert 2 of rotating disc 1, what every group of die cavity 3 and mold insert 2 were corresponding is provided with at least two, described at least two group mold inserts 2 are grouped on the rotating disc 1 uniformly, every group of mold insert 2 is provided with at least two mold inserts 2 and distributes one by one from small to large, die cavity 3 with the cover half chamber is equipped with simultaneously, in use, be provided with like this and be beneficial to the injection moulding of carrying out a plurality of products simultaneously, the size of its a plurality of products, volume and shape etc. can be the same also can be different, so the setting of this kind form has more practicality.
A kind of injection moulding process that rotates the laminated type injection mold:
A, matched moulds for the first time make mold insert 2 and die cavity 3 matched moulds.This time matched moulds selects minimum mold insert 2 to cooperate with die cavity 3.
B, injecting glue for the first time: to injecting glues in the mold insert 2 of the minimum behind the matched moulds and the die cavity 3.
C, cooling for the first time: making the plastic cement cooling forming that is filled into minimum die cavity 3 is the first of the opaque products of specific thicknesses.
D, die sinking for the first time: make mold insert 2 shift out minimum die cavity 3 and obtain shaped article for the first time, but the product of this time moulding, be fixed on the mold insert 2 of rotating disc 1 and needn't take off, when dynamic model separates with cover half, dynamic model moves, rotating disc 1 rotation on the dynamic model makes first's product of injection formed and mold insert 2 rotate to next die cavity 3 position, prepares injection moulding next time.
E, matched moulds for the second time: the product and second die cavity, 3 matched moulds of moulding for the first time, with the first's product and second die cavity, 3 matched moulds of the moulding first time.
F, injecting glue for the second time:, the interior plastic cement of the first's product and second die cavity 3 is merged to second die cavity, 3 injecting glues behind the matched moulds.
G, cooling for the second time: make the product of moulding for the first time and the plastic cement cooling stack that is injected into second die cavity 3 be shaped to one, form the second portion product.
H, die sinking for the second time: the second portion product that stack is shaped to one takes out, and obtains final products, and the product inside that obtains does not like this have bubble, the transparency height, and the surface is depression not.
Wherein, after the h step, also comprise:
I, matched moulds for the third time: described rotating disc 1 is rotated to the 3rd die cavity 3 positions, make for the first time and the product and the 3rd die cavity 3 matched moulds of second moulding;
J, injecting glue for the third time: to the 3rd die cavity 3 injecting glues behind the matched moulds; The product of the first time and second moulding and the plastic cement in the 3rd die cavity 3 are merged.
K, cooling for the third time: make for the first time and the product of the moulding that superposes for the second time and the plastic cement cooling that is injected into the 3rd die cavity 3 once more stack be shaped to one, form the third part product.
L, die sinking for the third time: make mold insert 2 shift out the product that three type die cavities 3 obtain three stack moulding, when in injection moulding process, can be according to actual needs, a plurality of mold inserts 2 are set on rotating disc 1, the a plurality of die cavities 3 that cooperate with a plurality of mold inserts 2 are set in the cover half chamber simultaneously, carry out repeatedly laminated type injection moulding, finally obtain the specific thicknesses opaque products.
Operation principle of the present invention is: the product that will need the specific thicknesses of injection mo(u)lding earlier, be calculated as multilayer, from minimum volume to the end article volume, superposing type is laid at least two mold inserts 2 on rotating disc 1, be provided with the die cavity 3 that cooperates with mold insert 2 at the cover half die cavity, during use, each injection moulding folding mould, dynamic model rotating disc 1 can turn to special angle, whenever open dynamic model one time, 1 of rotating disc changes once automatically, wherein, when next injection moulding of back, a part of finished product of a preceding injection moulding does not need to take off, but cooperates injection moulding with next die cavity 3 together with mold insert 2, so reach manufactured goods to final thickness through repeatedly folding and spinning movement, each die sinking all has shaping finished product, shortens injection cycle, promoted output, solved mold base size super large, yield poorly, surface depression during the goods depanning of injection moulding, bad problems such as serious bubble and impurity have reduced production cost simultaneously.
The above only is a better embodiment of the present invention, so all equivalences of doing according to the described structure of patent claim of the present invention, feature and principle change or modify, is included in the patent claim of the present invention.
Claims (7)
1. one kind is rotated the laminated type injection mold, comprise that cover half is overall and dynamic model is overall, described cover half totally comprises solid plate and cover half chamber, described dynamic model totally comprises moving platen, ejecting mechanism and dynamic model chamber, it is characterized in that: described dynamic model chamber is connected with a rotating disc, mould one side is provided with and drives the drive unit that rotating disc rotates, and described rotating disc is equipped with at least two mold inserts that are provided with according to product thickness, and described cover half chamber is provided with the die cavity that cooperates with mold insert.
2. a kind of rotation laminated type injection mold according to claim 1, it is characterized in that: described drive unit comprises fixed head, and this fixed head one end is provided with drive rod, and described fixed head offers groove, be provided with tooth bar in this groove, tooth bar one end is connected with drive rod.
3. a kind of rotation laminated type injection mold according to claim 2, it is characterized in that: described rotating disc periphery is equipped with the gear that cooperates with tooth bar.
4. a kind of rotation laminated type injection mold according to claim 3, it is characterized in that: described rotating disc is provided with at least two group mold inserts, and every group of mold insert is at least two.
5. a kind of rotation laminated type injection mold according to claim 4 is characterized in that: described cover half chamber is provided with at least two group die cavities corresponding with the mold insert of rotating disc, and what every group of die cavity was corresponding with mold insert is provided with at least two.
6. application rights requires 1 described a kind of injection moulding process that rotates the laminated type injection mold, it is characterized in that, may further comprise the steps:
A, matched moulds for the first time make mold insert and die cavity matched moulds;
B, injecting glue for the first time: to the minimum die cavity injecting glue behind the matched moulds;
C, cooling for the first time: make the plastic cement cooling forming that is filled into die cavity;
D, die sinking for the first time: make mold insert shift out minimum die cavity and obtain shaped article for the first time, the product of this time moulding is fixed on the mold insert of rotating disc, and rotating disc rotates to the second die cavity position;
E, matched moulds for the second time: the product and the second die cavity matched moulds of moulding for the first time;
F, injecting glue for the second time: to the second die cavity injecting glue behind the matched moulds;
G, cooling for the second time: make the product of moulding for the first time and the plastic cement cooling stack that is injected into second die cavity be shaped to one;
H, die sinking for the second time: the product that stack is shaped to one takes out, and obtains final products.
7. injection moulding process according to claim 6 is characterized in that: also comprise after the h step:
I, matched moulds for the third time: described rotating disc rotates to the 3rd die cavity position, makes for the first time and the product and the 3rd die cavity matched moulds of second moulding;
J, injecting glue for the third time: to the 3rd die cavity injecting glue behind the matched moulds;
K, cooling for the third time: make for the first time and the product of the moulding that superposes for the second time and the plastic cement cooling that is injected into the 3rd die cavity once more stack be shaped to one;
L, die sinking for the third time: make mold insert shift out the product that three type die cavities obtain three stack moulding.
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Cited By (11)
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CN105856508A (en) * | 2016-05-30 | 2016-08-17 | 百汇精密塑胶模具(深圳)有限公司 | Bi-color plastic mould structure |
CN107756734A (en) * | 2017-09-13 | 2018-03-06 | 上海德舒赫金属制品有限公司 | Four station dies and its injection moulding process |
CN108357061A (en) * | 2018-04-18 | 2018-08-03 | 张兴武 | A kind of new material casting and forming mold |
CN109664455A (en) * | 2018-12-27 | 2019-04-23 | 佛山市顺德区震旭塑料机械有限公司 | A kind of injection molding machine with the secondary adjustment mold of inside groove |
CN110712342A (en) * | 2019-09-05 | 2020-01-21 | 苏州优耐鑫模具科技有限公司 | In-mold rotary type double-color injection mold |
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CN201863355U (en) * | 2010-11-26 | 2011-06-15 | 毅昌金型(东莞)五金制品有限公司 | Rotary laminated type injection-molding mold |
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CN2933824Y (en) * | 2006-07-12 | 2007-08-15 | 吴治锋 | Multiple color shoemaking injection machine |
CN101134357A (en) * | 2006-08-29 | 2008-03-05 | 丹阳市华东电器制造有限公司 | Multiple-materials multicolor glue path -free shaping technique |
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Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105856508B (en) * | 2016-05-30 | 2018-02-13 | 百汇精密塑胶模具(深圳)有限公司 | A kind of dual-color plastic rubber mold structure |
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CN107756734A (en) * | 2017-09-13 | 2018-03-06 | 上海德舒赫金属制品有限公司 | Four station dies and its injection moulding process |
CN108357061A (en) * | 2018-04-18 | 2018-08-03 | 张兴武 | A kind of new material casting and forming mold |
CN109664455A (en) * | 2018-12-27 | 2019-04-23 | 佛山市顺德区震旭塑料机械有限公司 | A kind of injection molding machine with the secondary adjustment mold of inside groove |
CN111775401A (en) * | 2019-04-03 | 2020-10-16 | 常州星宇车灯股份有限公司 | Thick wall lens injection mold that multistation layering was moulded plastics |
CN111775401B (en) * | 2019-04-03 | 2024-05-17 | 常州星宇车灯股份有限公司 | Thick-wall lens injection mold for multi-station layered injection molding |
CN110712342A (en) * | 2019-09-05 | 2020-01-21 | 苏州优耐鑫模具科技有限公司 | In-mold rotary type double-color injection mold |
CN111391256A (en) * | 2020-04-30 | 2020-07-10 | 常州瑞璐塑业有限公司 | PEEK multi-head screw part manufacturing die and using method thereof |
CN111745892A (en) * | 2020-06-19 | 2020-10-09 | 青岛海信模具有限公司 | Injection mold for in-mold assembly |
CN112829213A (en) * | 2021-01-06 | 2021-05-25 | 万华化学集团股份有限公司 | Injection mold for preparing spraying-free material and application thereof |
CN114347376A (en) * | 2021-11-29 | 2022-04-15 | 马瑞利汽车零部件(芜湖)有限公司 | Injection molding device and method for thick-wall light guide |
CN117359870A (en) * | 2023-12-08 | 2024-01-09 | 吉林省华裕汽车零部件有限公司 | One-step molding device and method for automobile interior trim panel |
CN117359870B (en) * | 2023-12-08 | 2024-02-09 | 吉林省华裕汽车零部件有限公司 | One-step molding device and method for automobile interior trim panel |
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Application publication date: 20110518 |