CN102862271A - Surface decorating and forming die and design method thereof - Google Patents
Surface decorating and forming die and design method thereof Download PDFInfo
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- CN102862271A CN102862271A CN2012103678987A CN201210367898A CN102862271A CN 102862271 A CN102862271 A CN 102862271A CN 2012103678987 A CN2012103678987 A CN 2012103678987A CN 201210367898 A CN201210367898 A CN 201210367898A CN 102862271 A CN102862271 A CN 102862271A
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Abstract
The invention discloses a surface decorating and forming die and a design method thereof. The design method comprises the following steps of: carrying out process analysis on a surface decorating and forming die, so that the specification requirement of the die can be met, and a forming machine is selected; determining a die cavity, a core structure, a pouring system and a parting face; selecting relative sizes of a die rack, a checking die and an injection machine; determining a de-molding and taking manner of the surface decorating and forming die; determining a temperature adjustment system structure and an exhaust air system of the surface decorating and forming die; and drawing a die assembly picture and a parts picture; and rechecking a design picture sample. With the implementation of the die designed by the design method provided by the invention, lint can be directly placed in the die for formation, so that molten glue is coated on the surface of a post-processed product and the lint is adhered. Therefore, the production efficiency is improved; the production cost is reduced; the production process is simple; and the environment-friendly requirements can be met.
Description
Technical field
The present invention relates to decorating piece shaping module and method for designing thereof, relate in particular to and a kind of flannelette is placed in the mould mould and method for designing thereof with simultaneously moulding of plastics, i.e. surperficial forming decorative materials mould and method for designing thereof.
Background technology
At present, the domestic automobile industrial development is rapid, and except the appearance design of automobile, the attractive in appearance and class of automotive upholstery has also produced material impact to consumer's purchasing psychology.In the prior art, automobile inner decorative piece sticks the class that one deck flannelette improves whole automotive trim at the plastics outer surface usually.And existing mould can not be put flannelette into together processing and forming simultaneously, generally all is first forming inside gadget, at the surface spraying last layer binding agent of inside gadget, then the flannelette that cuts is attached to its surface again.This method not only production efficiency is low, and in process of production, binding agent causes certain infringement to workman's health, in the use procedure afterwards, also can affect to the consumer.
In recent years, the forming processing technology of plastics also will reduce production costs towards future development, the while of goods high additive value, high mechanization, high efficiency, so the composite molding process technology of plastics becomes the direction of each well-known producer research.Wherein surface layer material is embedded in the mould, band technology with the surface of the integrated assembly of plastics again, because selecting skin factor of different assortment class, the selection free degree that the surface bands is increased, and one-body molded surface is banded technology not only product appearance is beautiful, production efficiency is high, and need not rear stickup operation, save alite paste, help to reduce cost, improve enterprise competitiveness, application prospect is very big.
For these reasons, the method for designing of designing a kind of surperficial forming decorative materials mould and surperficial forming decorative materials mould seems particularly important.
Summary of the invention
Embodiment of the invention technical problem to be solved is, a kind of surperficial forming decorative materials mould and method for designing thereof are provided, flannelette directly can be put into die for molding, having reduced rear processing is coated with melten gel and pastes flannelette at product surface, improved production efficiency, reduced production cost, production process is simple, meets environmental requirement.
One of the object of the invention is for providing a kind of surperficial forming decorative materials mould;
The object of the invention two for a kind of surperficial forming decorative materials die design method is provided.
A kind of surperficial forming decorative materials die design method provided by the invention may further comprise the steps:
Step 01, effects on surface forming decorative materials mould carries out industrial analysis, knows the mould specification requirement, selected forming machine;
Step 02 according to the surperficial forming decorative materials mould process parameter of step 01, is determined mold cavity, core structure, running gate system and die joint;
Step 03 is selected mould bases according to step 02, checks the relevant size of mould and injection machine;
Step 04 is determined the demoulding, the pickup mode of surperficial forming decorative materials mould;
Step 05 is determined surperficial forming decorative materials mould thermoregulating system structure and gas extraction system;
Step 06 is drawn assembly drawing of die, part drawing, checks detail of design.
Wherein, described step 01 specifically comprises:
Step 12, know the technological requirement of mould, comprise die cavity material, die cavity number, methods for cooling, eject form, the surface bands putting into and the pickup mode with flannelette;
Step 13, designed moulding is carried out industrial analysis, in conjunction with moldflow mold flow analysis and passing defective experience, product carried out the part subtracts glue or reversible deformation is processed;
Step 14, according to forming principle, the selected crack amount of forming machine is 0 ~ 4mm, calculates necessary clamp force, according to formula: F=PA, wherein P is plastic parts moulding pressure, and A is plastic total projection area, getting safety coefficient is 0.8, according to necessary clamp force, and tentatively selected forming machine;
Wherein, described step 02 specifically comprises:
Step 21, flow to according to the product woven design, determine the arrangement of surperficial forming decorative materials mold cavity;
Step 22, according to the assembly relation of product, choose reasonable is advanced gate location, surperficial forming decorative materials mould front mould side will be put into flannelette, Design of Dies is side gate, and the shunting face is the trapezoid cross section, and sprue is longer, adopt the hot mouth of style big water gap list, cold slug well is driveed on the bearded needle of the mouth of a river;
Step 23, determine the die joint of surperficial forming decorative materials mould;
Step 24, calculate the size of die cavity and core, die cavity, core adopt the block insert type structure, increase the tension force pin in core side, increase the dossal pin at the die cavity middle part.
Wherein, described step 03 specifically comprises:
The die cavity that step 31, basis obtain, size and the mould strength of core require to select mould bases, answer selection standard mould mould bases and spare and accessory parts.
Wherein, described step 04 demoulding, pickup mode adopt jacking block to add the thimble demoulding, the manipulator pickup.
Wherein, thermoregulating system structure described in the described step 05 adopts many group water quench, and described thermoregulating system structure is water collector and cooling-water machine, and described gas extraction system adopts the gap exhaust of mold parting surface and ejecting mechanism and mould, increases air discharge duct.
Accordingly, the present invention also provides a kind of surperficial forming decorative materials mould, got by above-mentioned surperficial forming decorative materials die design method designing institute, comprise front template and the rear pattern plate that cooperatively interacts with described front template, described front template is provided with flannelette and places adjusting device, described front template, side respectively is provided with many group cooling bodies around the rear pattern plate, on the described rear pattern plate core is installed, base plate links to each other with described rear pattern plate by square iron, be provided with ejector retainner plate between described base plate and the rear pattern plate, ejecting mechanism is installed on the ejector retainner plate and passes rear pattern plate and extends on the whose surfaces, described ejecting mechanism end surface shape is consistent with the shaped article inner surface configuration, core-pulling device is arranged on the rear pattern plate, and described front template is provided with running gate system.
Further, described flannelette is placed adjusting device and is comprised flannelette tuck and flannelette pricker, and described flannelette tuck and flannelette pricker quantity respectively are several.
Further, described core-pulling device comprises internal core withdrawing device and outer core-pulling device, described internal core withdrawing device is located on the rear pattern plate and is passed core, described internal core withdrawing device comprises the oblique top head, angle ejector rod, guide pad, the tilted footstock contiguous block, the slide guide sheet, tilted footstock, described oblique top head is installed in the core and is consistent with the shaped article shape, described tilted footstock is screwed on the base plate, described angle ejector rod links to each other with the oblique top head, described angle ejector rod is installed guide pad outward, described guide pad is screwed on the described rear pattern plate, described tilted footstock contiguous block is located at the angle ejector rod end, and described slide guide sheet links to each other with tilted footstock; Described outer core-pulling device is located at the rear pattern plate side and contacts with front template, described outer core-pulling device comprises slide block, contiguous block, connecting rod, oil cylinder backing plate and the oil cylinder that connects successively, described slide block and front template contact and consistent with the shaped article shape, described slide block side is equipped with slider layering.
Further, described ejecting mechanism comprises thimble, jacking block, described core side is provided with the tension force pin, described front template middle part is provided with the dossal pin, described running gate system comprises sprue, runner, cast gate and collude the material bar, described sprue comprises the sprue bushing that links to each other successively from top to bottom, flow distribution plate and Re Zui, described sprue bushing, flow distribution plate and Re Zui are respectively equipped with the heating temperature sensing device, described runner is taken from sprue, the cross section of described runner is trapezoidal, and described cast gate is side gate, and described colluding expects that bar passes core and is fixed on the ejector retainner plate, the described material club head the first half of colluding is for spherical, and the latter half is taper.
A kind of surperficial forming decorative materials mould and method for designing thereof that the embodiment of the invention provides can directly be put into die for molding with flannelette, have reduced rear processing and have been coated with melten gel and paste flannelette at product surface, improved production efficiency, reduced production cost, production process is simple, meets environmental requirement.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the present invention, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of surperficial forming decorative materials die design method FB(flow block) of the present invention;
Fig. 2 is the FB(flow block) of a kind of surperficial forming decorative materials die design method embodiment one of the present invention;
Fig. 3 is the FB(flow block) of a kind of surperficial forming decorative materials die design method embodiment two of the present invention;
Fig. 4 is the FB(flow block) of a kind of surperficial forming decorative materials die design method embodiment three of the present invention;
Fig. 5 is a kind of surperficial forming decorative materials mould structure installation diagram of the present invention;
Fig. 6 is a kind of surperficial forming decorative materials mold external core pulling structure drawing of device of the present invention.
The specific embodiment
A kind of surperficial forming decorative materials mould provided by the present invention and method for designing thereof can directly be put into die for molding with flannelette, have reduced rear processing and have been coated with melten gel and paste flannelette at product surface, improved production efficiency, reduced production cost, production process is simple, meets environmental requirement.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work belongs to the scope of protection of the invention.
Referring to Fig. 1, be a kind of surperficial forming decorative materials die design method FB(flow block) provided by the invention, a kind of surperficial forming decorative materials die design method provided by the invention comprises following design procedure:
Step 01, effects on surface forming decorative materials mould carries out industrial analysis, knows the mould specification requirement, selected forming machine;
Step 02 according to the surperficial forming decorative materials mould process parameter of step 01, is determined mold cavity, core structure, running gate system and die joint;
Step 03 is selected mould bases according to step 02, checks the relevant size of mould and injection machine;
Step 04 is determined the demoulding, the pickup mode of surperficial forming decorative materials mould;
Step 05 is determined surperficial forming decorative materials mould thermoregulating system structure and gas extraction system;
Step 06 is drawn assembly drawing of die, part drawing, checks detail of design.
Referring to Fig. 2, be the FB(flow block) of a kind of surperficial forming decorative materials die design method embodiment one of the present invention, i.e. the specific design method of step 01 comprises:
Step 12, know the technological requirement of mould, comprise die cavity material, die cavity number, methods for cooling, eject form, the surface bands putting into and the pickup mode with flannelette;
Step 13, designed moulding is carried out industrial analysis, in conjunction with moldflow mold flow analysis and passing defective experience, product carried out the part subtracts glue or reversible deformation is processed;
Step 14, according to forming principle, the selected crack amount of forming machine is 0 ~ 4mm, calculates necessary clamp force, according to formula: F=PA, wherein P is plastic parts moulding pressure, and A is plastic total projection area, getting safety coefficient is 0.8, according to necessary clamp force, and tentatively selected forming machine.
Referring to Fig. 3, be the FB(flow block) of a kind of surperficial forming decorative materials die design method embodiment two of the present invention, i.e. the specific design method of step 02 comprises:
Step 21, flow to according to the product woven design, determine the arrangement of surperficial forming decorative materials mold cavity;
Step 22, according to the assembly relation of product, choose reasonable is advanced gate location, surperficial forming decorative materials mould front mould side will be put into flannelette, Design of Dies is side gate, and the shunting face is the trapezoid cross section, and sprue is longer, adopt the hot mouth of style big water gap list, cold slug well is driveed on the bearded needle of the mouth of a river;
Step 23, determine the die joint of surperficial forming decorative materials mould;
Step 24, calculate the size of die cavity and core, die cavity, core adopt the block insert type structure, increase the tension force pin in core side, increase the dossal pin at the die cavity middle part.
Referring to Fig. 4, be the FB(flow block) of a kind of surperficial forming decorative materials die design method embodiment three of the present invention, i.e. the specific design method of step 03 comprises:
The die cavity that step 31, basis obtain, size and the mould strength of core require to select mould bases, answer selection standard mould mould bases and spare and accessory parts.
Wherein, described step 04 demoulding, pickup mode adopt jacking block to add the thimble demoulding, the manipulator pickup.
Wherein, thermoregulating system structure described in the described step 05 adopts many group water quench, and described thermoregulating system structure is water collector and cooling-water machine, and described gas extraction system adopts the gap exhaust of mold parting surface and ejecting mechanism and mould, increases air discharge duct.
Accordingly, the present invention also discloses a kind of surperficial forming decorative materials mould by above-mentioned surperficial forming decorative materials die design method design simultaneously.
Referring to Fig. 5, a kind of surperficial forming decorative materials mould structure installation diagram of the present invention, a kind of surperficial forming decorative materials mould of the present invention comprises front template 1 and the rear pattern plate 2 that cooperatively interacts with described front template 1, described front template 1 is provided with flannelette and places adjusting device 3, described front template 1, side respectively is provided with many group cooling bodies 4 around the rear pattern plate 2, on the described rear pattern plate 2 core 5 is installed, base plate 6 links to each other with described rear pattern plate 2 by square iron 7, be provided with ejector retainner plate 8 between described base plate 6 and the rear pattern plate 2, ejecting mechanism 9 is installed on the ejector retainner plate 8 and passes rear pattern plate 2 and extends on core 5 surfaces, described ejecting mechanism 9 end surface shape are consistent with the shaped article inner surface configuration, core-pulling device is arranged on the rear pattern plate 2, and described front template 1 is provided with running gate system 10.
Further, described flannelette is placed adjusting device 3 and is comprised flannelette tuck 31 and flannelette pricker 32, described flannelette tuck 31 and flannelette pricker 32 quantity respectively are several, and described flannelette tuck 31 and flannelette pricker 32 are used for flannelette is suspended on front template 1, with conveniently follow-up flannelette are combined with plastics.
Further, described core-pulling device comprises internal core withdrawing device 11 and outer core-pulling device 12, described internal core withdrawing device 11 is located on the rear pattern plate 2 and is passed core 5, described internal core withdrawing device 11 comprises oblique top 111, angle ejector rod 112, guide pad 113, tilted footstock contiguous block 114, slide guide sheet 115, tilted footstock 116, described oblique top 111 is installed in the core 5 and is consistent with the shaped article shape, described tilted footstock 116 is screwed on the base plate 6, described angle ejector rod 112 and oblique top 111 links to each other, described angle ejector rod 112 outer installation guide pads 115, described guide pad 113 is screwed on the described rear pattern plate 2, described tilted footstock contiguous block 114 is located at angle ejector rod 112 ends, and described slide guide sheet 115 links to each other with tilted footstock 116.
Referring to Fig. 6, be a kind of surperficial forming decorative materials mold external core pulling structure drawing of device of the present invention, described outer core-pulling device 12 is located at rear pattern plate 2 sides and contacts with front template 1, described outer core-pulling device 12 comprises slide block 121, contiguous block 122, connecting rod 123, oil cylinder backing plate 124 and the oil cylinder 125 that connects successively, described slide block 121 and front template 1 contact and consistent with the shaped article shape, described slide block 121 sides are equipped with slider layering 126, described slider layering 126 is used for guide runner 121, described oil cylinder backing plate 124 fixed oil cylinders 125,121 motions of oil cylinder 125 band movable sliders.
Further, described ejecting mechanism 9 comprises thimble, jacking block, described core 5 sides are provided with the tension force pin, described front template 1 middle part is provided with the dossal pin, described running gate system 10 comprises sprue 101, runner 102, cast gate 103 and collude the material bar 104, described sprue 101 comprises the sprue bushing 1011 that links to each other successively from top to bottom, flow distribution plate 1012 and hot mouth 1013, described sprue bushing 1011, flow distribution plate 1012 and hot mouth 1013 are respectively equipped with the heating temperature sensing device, be used for molding materials is in molten condition, described runner 102 is taken from sprue 101, the cross section of described runner 102 is trapezoidal, described cast gate 103 is side gate, described colluding expects that bar 104 passes core 5 and is fixed on the ejector retainner plate 8, and the described material bar 104 head the first half of colluding are for spherical, and the latter half is taper.
By above description, a kind of surperficial forming decorative materials mould provided by the invention and method for designing thereof, it is simple to have method for designing, but the mould mass production can directly be put into die for molding with flannelette, has reduced rear processing and has been coated with melten gel and pastes flannelette at product surface, improved production efficiency, reduced production cost, production process is simple, meets environmental requirement.
It should be noted that; what the present invention described is a kind of method of a kind of product form of surperficial forming decorative materials mould and method for designing thereof; other satisfies the product of mould of the present invention; even material, component names, outward appearance, etc. not affect the factor of product performance not identical; and the method for designing step order is different, still is considered as belonging to the scope of protection of the invention.
Above content is the further description of the present invention being done in conjunction with concrete preferred embodiment, can not assert that implementation of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. surperficial forming decorative materials die design method is characterized in that this method for designing may further comprise the steps:
Step 01, effects on surface forming decorative materials mould carries out industrial analysis, knows the mould specification requirement, selected forming machine;
Step 02 according to the surperficial forming decorative materials mould process parameter of step 01, is determined mold cavity, core structure, running gate system and die joint;
Step 03 is selected mould bases according to step 02, checks the relevant size of mould and injection machine;
Step 04 is determined the demoulding, the pickup mode of surperficial forming decorative materials mould;
Step 05 is determined surperficial forming decorative materials mould thermoregulating system structure and gas extraction system;
Step 06 is drawn assembly drawing of die, part drawing, checks detail of design.
2. a kind of surperficial forming decorative materials die design method according to claim 1 is characterized in that described step 01 specifically comprises:
Step 11, the geometry of knowing moulding, product size, the raw material of moulding and shrinkage factor;
Step 12, know the technological requirement of mould, comprise die cavity material, die cavity number, methods for cooling, eject form, the surface bands putting into and the pickup mode with flannelette;
Step 13, designed moulding is carried out industrial analysis, in conjunction with moldflow mold flow analysis and passing defective experience, product carried out the part subtracts glue or reversible deformation is processed;
Step 14, according to forming principle, the selected crack amount of forming machine is 0 ~ 4mm, calculates necessary clamp force, according to formula: F=PA, wherein P is plastic parts moulding pressure, and A is plastic total projection area, getting safety coefficient is 0.8, according to necessary clamp force, and tentatively selected forming machine.
3. a kind of surperficial forming decorative materials die design method according to claim 1 is characterized in that described step 02 specifically comprises:
Step 21, flow to according to the product woven design, determine the arrangement of surperficial forming decorative materials mold cavity;
Step 22, according to the assembly relation of product, choose reasonable is advanced gate location, surperficial forming decorative materials mould front mould side will be put into flannelette, Design of Dies is side gate, and the shunting face is the trapezoid cross section, and sprue is longer, adopt the hot mouth of style big water gap list, cold slug well is driveed on the bearded needle of the mouth of a river;
Step 23, determine the die joint of surperficial forming decorative materials mould;
Step 24, calculate the size of die cavity and core, die cavity, core adopt the block insert type structure, increase the tension force pin in core side, increase the dossal pin at the die cavity middle part.
4. a kind of surperficial forming decorative materials die design method according to claim 1 is characterized in that described step 03 specifically comprises:
The die cavity that step 31, basis obtain, size and the mould strength of core require to select mould bases, answer selection standard mould mould bases and spare and accessory parts;
Step 32, the injector parameter of using is checked, determine the check of size, opening stroke and the ejecting mechanism of maximum injection amount, injection pressure, clamp force, mould mounting portion.
5. a kind of surperficial forming decorative materials die design method according to claim 1 is characterized in that described step 04 demoulding, pickup mode adopt jacking block to add the thimble demoulding, the manipulator pickup.
6. a kind of surperficial forming decorative materials die design method according to claim 1, it is characterized in that, thermoregulating system structure described in the described step 05 adopts many group water quench, described thermoregulating system structure is water collector and cooling-water machine, described gas extraction system adopts the gap exhaust of mold parting surface and ejecting mechanism and mould, increases air discharge duct.
7. surperficial forming decorative materials mould, obtained by surperficial forming decorative materials die design method design, comprise front template and the rear pattern plate that cooperatively interacts with described front template, it is characterized in that, described front template is provided with flannelette and places adjusting device, described front template, side respectively is provided with many group cooling bodies around the rear pattern plate, on the described rear pattern plate core is installed, base plate links to each other with described rear pattern plate by square iron, be provided with ejector retainner plate between described base plate and the rear pattern plate, ejecting mechanism is installed on the ejector retainner plate and passes rear pattern plate and extends on the whose surfaces, described ejecting mechanism end surface shape is consistent with the shaped article inner surface configuration, core-pulling device is arranged on the rear pattern plate, and described front template is provided with running gate system.
8. a kind of surperficial forming decorative materials mould according to claim 7 is characterized in that, described flannelette is placed adjusting device and comprised flannelette tuck and flannelette pricker, and described flannelette tuck and flannelette pricker quantity respectively are several.
9. a kind of surperficial forming decorative materials mould according to claim 7, it is characterized in that, described core-pulling device comprises internal core withdrawing device and outer core-pulling device, described internal core withdrawing device is located on the rear pattern plate and is passed core, described internal core withdrawing device comprises the oblique top head, angle ejector rod, guide pad, the tilted footstock contiguous block, the slide guide sheet, tilted footstock, described oblique top head is installed in the core and is consistent with the shaped article shape, described tilted footstock is screwed on the base plate, described angle ejector rod links to each other with the oblique top head, described angle ejector rod is installed guide pad outward, described guide pad is screwed on the described rear pattern plate, described tilted footstock contiguous block is located at the angle ejector rod end, and described slide guide sheet links to each other with tilted footstock; Described outer core-pulling device is located at the rear pattern plate side and contacts with front template, described outer core-pulling device comprises slide block, contiguous block, connecting rod, oil cylinder backing plate and the oil cylinder that connects successively, described slide block and front template contact and consistent with the shaped article shape, described slide block side is equipped with slider layering.
10. a kind of surperficial forming decorative materials mould according to claim 9, it is characterized in that, described ejecting mechanism comprises thimble, jacking block, described core side is provided with the tension force pin, described front template middle part is provided with the dossal pin, described running gate system comprises sprue, runner, cast gate and collude the material bar, described sprue comprises the sprue bushing that links to each other successively from top to bottom, flow distribution plate and Re Zui, described sprue bushing, flow distribution plate and Re Zui are respectively equipped with the heating temperature sensing device, described runner is taken from sprue, the cross section of described runner is trapezoidal, described cast gate is side gate, described colluding expects that bar passes core and is fixed on the ejector retainner plate, and the described material club head the first half of colluding is for spherical, and the latter half is taper.
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| CN2012103678987A CN102862271A (en) | 2012-09-27 | 2012-09-27 | Surface decorating and forming die and design method thereof |
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| CN2012103678987A CN102862271A (en) | 2012-09-27 | 2012-09-27 | Surface decorating and forming die and design method thereof |
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Cited By (4)
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| CN103331873A (en) * | 2013-07-23 | 2013-10-02 | 天津国丰模具有限公司 | Low pressure injection mold and injection method |
| CN105415588A (en) * | 2015-12-28 | 2016-03-23 | 河海大学常州校区 | Injection molding process and mold for remote controllers |
| CN106945224A (en) * | 2017-02-20 | 2017-07-14 | 嵊州陌桑高科股份有限公司 | The integrated drawing method of combined type sericulture frame |
| CN112846680B (en) * | 2021-02-20 | 2023-08-29 | 洛阳佳会机械科技有限公司 | Manufacturing method of foam plastic molding variable multipurpose mold and foam plastic molding process |
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| JP2003170469A (en) * | 2001-12-06 | 2003-06-17 | Sanyo Electric Co Ltd | Mold for injection molding |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331873A (en) * | 2013-07-23 | 2013-10-02 | 天津国丰模具有限公司 | Low pressure injection mold and injection method |
| CN103331873B (en) * | 2013-07-23 | 2015-10-28 | 天津国丰模具有限公司 | Low pressure injection mould and injection moulding process |
| CN105415588A (en) * | 2015-12-28 | 2016-03-23 | 河海大学常州校区 | Injection molding process and mold for remote controllers |
| CN105415588B (en) * | 2015-12-28 | 2017-11-17 | 河海大学常州校区 | The injection molding process and mould of a kind of remote control |
| CN106945224A (en) * | 2017-02-20 | 2017-07-14 | 嵊州陌桑高科股份有限公司 | The integrated drawing method of combined type sericulture frame |
| CN112846680B (en) * | 2021-02-20 | 2023-08-29 | 洛阳佳会机械科技有限公司 | Manufacturing method of foam plastic molding variable multipurpose mold and foam plastic molding process |
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Application publication date: 20130109 |