CN105563764A - Die and product without parting line trace and manufacturing method of product - Google Patents
Die and product without parting line trace and manufacturing method of product Download PDFInfo
- Publication number
- CN105563764A CN105563764A CN201610098693.1A CN201610098693A CN105563764A CN 105563764 A CN105563764 A CN 105563764A CN 201610098693 A CN201610098693 A CN 201610098693A CN 105563764 A CN105563764 A CN 105563764A
- Authority
- CN
- China
- Prior art keywords
- product
- die
- parting line
- slide block
- line trace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
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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
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/02—Deburring or deflashing
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/24—Calendering
-
- 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
-
- 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
- B29C45/14008—Inserting articles into the mould
- B29C2045/1404—Inserting articles into the mould feeding inserts cut out from an endless sheet outside the mould
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention belongs to the field of hot-pressing molding, vacuum or high-pressure molding and injection molding and particularly relates to a die and product without a parting line trace and a manufacturing method of the product. The die sequentially comprises an upper fixing plate, a fixed die plate, a fixed die side die core, a first sliding block, a second sliding block, a movable die side die core, a movable die plate and a lower fixing plate from top to bottom. The die is characterized in that in the die combining process, the first sliding block and the second sliding block are attached to the movable die side die core; when the first sliding block and the second sliding block are attached to each other, a finished thin film is attached to the bottom of a groove structure; a thin film base material is molded into a primary thin film product in a hot-pressing manner or a high-pressure manner or a vacuum manner and the primary thin film product is then cut into the finished thin film; the finished thin film which is molded and cut is put in the die cores of the die without the parting line trace to be injected and molded; in the die opening process, a whole structure formed by the product, a material head and the thin film is taken out; and the material head and the thin film are removed. The die and product without the parting line trace and the manufacturing method of the product have the beneficial effects that products such as the product with the appearance pulled out of the die at 0 degree and the product with reverse buckles arranged on the appearance are free of the parting line trace; and the appearances of the products are changed according to the change of the thin film and highlight, matte and various pattern appearances can be obtained.
Description
Technical field
The invention belongs to hot pressing and ejection formation field, be specifically related to a kind of without parting line trace mould, product and preparation method thereof.
Background technology
For the electronic product in consumer electronics digital product appearance member and the field such as household electrical appliances, medical treatment, prior art cannot realize 0 ° of withdrawing pattern product and torque product without die parting line; For dapple product, each decorative pattern all needs corresponding replacement die, more difficult realization various production in a small amount; Original product design need consider outward appearance release problems, impact assembling effect, and when having decorative pattern, draw taper is larger, because draw taper problem easily affects the assembling of product and the FINAL APPEARANCE effect of product; Die joint PL line on Surface Appearance can badly influence product aesthetic property.
Summary of the invention
The object of this invention is to provide one and realize 0 ° of withdrawing pattern product and torque product without die parting line, the product being applicable to comprise appearance, be in particular minute surface product, different decorative pattern is produced, improve product yield without parting line trace mould, product and preparation method thereof.Be specially without parting line trace mould, preparation method without parting line trace product and this product.
To achieve these goals, the technical solution used in the present invention is: a kind of without parting line trace mould, upper mounted plate, solid plate, cover half side form benevolence, the first slide block and the second slide block, dynamic model side form benevolence, moving platen, bottom plate is followed successively by under upper, it is characterized in that, during matched moulds, first slide block and the second slide block and dynamic model side form benevolence are fitted and are arranged, and the first slide block and the second slide block enclose out groove structure; First slide block and the second slide block is bonded to each other when arranging, finished films fits in bottom groove structure; During die sinking, the first slide block and the second slide block are separated from each other.
Described finished films, the first slide block and the second slide block and cover half side form benevolence enclose die cavity.
Described finished films is made up of thermoplastic resin.
Arrange sprue bushing in described solid plate, sprue bushing end connects die cavity.
The shape and structure adjustable of described finished films.
A kind of without parting line trace mould, under upper, be followed successively by upper mounted plate, solid plate, cover half side form benevolence, dynamic model side form benevolence, moving platen, bottom plate, it is characterized in that, dynamic model side form benevolence is provided with groove structure, during matched moulds, finished films fits in bottom groove structure; Described cover half side form benevolence, dynamic model side form Renhe finished films enclose die cavity.
Without a preparation method for parting line trace product, comprise the steps:
A. film substrate is shaped to film first product by hot pressing, high pressure or vacuum mode, then is cut to finished films; Described finished films is made up of thermoplastic resin; The materials such as such as PC, PET, PMMA, PI.
B. the finished films after shaping cutting is put under die opening state described without parting line trace mould, then matched moulds is carried out, finished films fits in bottom groove structure, by sprue bushing to injection in die cavity, injection moulding forms the overall structure that product, stub bar and finished films are formed, and this overall structure is head product;
C. die sinking, takes out the overall structure be made up of product, stub bar and finished films;
D. stub bar and finished films is removed.
Above preparation method, described stub bar is removed by processing methods such as shearings, and described finished films is by divesting removal.
In actual production, for the preparation of 0 ° of withdrawing pattern product, the finished films after shaping cutting put into described without parting line trace mould, then carry out injection, take out head product after die sinking, namely removal stub bar and film obtain final products.
The present invention also provide above preparation method to prepare without parting line trace product.
Beneficial effect of the present invention is: can realize 0 ° of withdrawing pattern product and torque product without die parting line; Product design space is expanded greatly; Former high light product mold glossing requires very high, and production maintenance cost is high, and yield is low, and this technique can improve yield, the common polishing of mould; Original product is if any decorative pattern, and each decorative pattern all needs corresponding replacement die, and this technique can realize various production in a small amount by film; Original product design need consider outward appearance release problems, impact assembling effect, and when having decorative pattern, draw taper is larger, and this technique can head it off.
Accompanying drawing explanation
Fig. 1 is film substrate schematic diagram;
Fig. 2 is shaping rear film first product schematic diagram;
Fig. 3 is finished films schematic diagram;
Fig. 4 is mould structure schematic diagram;
Fig. 5, Figure 11 are that mould die part-structure figure illustrates;
Fig. 6, Figure 12 are that film is positioned over mould inner mould benevolence partial schematic diagram;
Fig. 7, Figure 13 are injection moulding rear mold die partial schematic diagram;
Fig. 8, Figure 14 take out product schematic diagram after injection moulding;
Fig. 9 is product schematic diagram after removal stub bar;
Figure 10, Figure 15 are the final products schematic diagram after removing film;
Wherein, 1 film substrate, 2 film first products, 3 finished films, 4 upper mounted plates, 5 sprue bushings, 6 solid plates, 7 cover half side form benevolence, 8 first slide blocks, 9 second slide blocks, 10 dynamic model side form benevolence, 11 moving platens, 12 bottom plates, 13 stub bars, 14 products, 7 ' cover half side form benevolence, 10 ' dynamic model side form benevolence.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
According to Fig. 1-10, a kind of without parting line trace mould, upper mounted plate 4, solid plate 6, cover half side form benevolence 7, first slide block 8 and the second slide block 9, dynamic model side form benevolence 10, moving platen 11, bottom plate 12 is followed successively by under upper, it is characterized in that, during matched moulds, first slide block and the second slide block are fitted with dynamic model side form benevolence simultaneously and are arranged, and the first slide block and the second slide block enclose out groove structure; First slide block and the second slide block bonded to each other time, finished films 3 fits in bottom groove structure; During die sinking, the first slide block and the second slide block are separated from each other (Fig. 4-7).
The die cavity that described finished films, the first slide block and the second slide block and cover half side form benevolence enclose, die cavity obtains product 14 and stub bar 13 by injection, and when wherein injection is shaping, product 14 and finished films 3 are fitted.Described finished films is made up of thermoplastic resin, the materials such as such as PC, PET, PMMA, PI.Arrange sprue bushing 5 in described solid plate, sprue bushing end connects die cavity.The shape and structure adjustable (Fig. 4-10) of described finished films.According to Figure 10, the side adopting the product prepared without parting line trace mould with slide block structure is arc line shaped.
Without a preparation method for parting line trace product, comprise the steps:
A. film substrate 1 is shaped to film first product 2 by hot pressing, high pressure or vacuum (it is prior art) mode, then is cut to finished films 3; Described finished films is made up of thermoplastic resin; The for example material (Fig. 1-3) such as PC, PET, PMMA, PI.
B. the finished films after shaping cutting is put into described without parting line trace mould, finished films fits in the bottom portion of groove of the first slide block and the formation of the second slide block, by sprue bushing to injection in die cavity, injection moulding forms the overall structure that product, stub bar and finished films are formed, and namely forms head product;
C. die sinking, takes out the overall structure be made up of product, stub bar and finished films;
E. stub bar and finished films is removed.
Figure 11-15 illustrates another technical scheme without parting line trace mould and preparation method thereof, if Figure 11 is 0 ° of withdrawing pattern product mold die partial schematic diagram, with aforesaid without compared with parting line trace mould, difference is only the technical program not containing slide block, the die cavity of formed product is directly enclosed out by cover half side form benevolence 7 ' and dynamic model side form benevolence 10 ', dynamic model side form benevolence 10 ' central authorities are groove structure, bottom finished films laminating groove structure.Finished films after shaping cutting is put into described without parting line trace mould (Figure 12), carry out injection (Figure 13) again, take out head product (Figure 14) after die sinking, namely obtain final products (Figure 15) to head product removal stub bar and film, the side of the final products obtained is straight flange.
Above preparation method, described stub bar is removed by cutting, and described finished films is by divesting removal.
The present invention also provide above preparation method to prepare without parting line trace product.
The present invention can realize 0 ° of withdrawing pattern product and torque product without die parting line; Product design space is expanded greatly; Former high light product mold glossing requires very high, and production maintenance cost is high, and yield is low, and this technique can improve yield, the common polishing of mould; Original product is if any decorative pattern, and each decorative pattern all needs corresponding replacement die, and this technique can realize various production in a small amount by film; Original product design need consider outward appearance release problems, impact assembling effect, and when having decorative pattern, draw taper is larger, and this technique can head it off; And PL line has a strong impact on the problem of product aesthetic property on section of the present invention solution Surface Appearance.
More than show and describe general principle of the present invention, principal character and advantage.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (9)
1. one kind without parting line trace mould, be followed successively by upper mounted plate, solid plate, cover half side form benevolence, the first slide block and the second slide block, dynamic model side form benevolence, moving platen, bottom plate from top to bottom, it is characterized in that, during matched moulds, first slide block and the second slide block and dynamic model side form benevolence are fitted and are arranged, and the first slide block and the second slide block enclose out groove structure; First slide block and the second slide block is bonded to each other when arranging, finished films fits in bottom groove structure; During die sinking, the first slide block and the second slide block are separated from each other.
2. according to claim 1 a kind of without parting line trace mould, it is characterized in that, described finished films, the first slide block and the second slide block and cover half side form benevolence enclose die cavity.
3. according to claim 1 a kind of without parting line trace mould, it is characterized in that, described finished films is made up of thermoplastic resin.
4. one according to claim 2 is without parting line trace mould, it is characterized in that, arranges sprue bushing in described solid plate, and sprue bushing end connects die cavity.
5. according to claim 1 a kind of without parting line trace mould, it is characterized in that, the shape and structure adjustable of described finished films.
6. one kind without parting line trace mould, under upper, be followed successively by upper mounted plate, solid plate, cover half side form benevolence, dynamic model side form benevolence, moving platen, bottom plate, it is characterized in that, dynamic model side form benevolence is provided with groove structure, during matched moulds, finished films fits in bottom groove structure; Described cover half side form benevolence, dynamic model side form Renhe finished films enclose die cavity.
7., without a preparation method for parting line trace product, comprise the steps:
A. film substrate is shaped to film first product by hot pressing, high pressure or vacuum mode, then is cut to finished films; Described finished films is made up of thermoplastic resin;
B. the finished films after shaping cutting is put into described in claim 1-6 any one without parting line trace mould, finished films fits in bottom groove structure, by sprue bushing to injection in die cavity, injection moulding forms the overall structure that product, stub bar and finished films are formed;
C. die sinking, takes out the overall structure be made up of product, stub bar and finished films;
D. stub bar and finished films is removed.
8. a kind of preparation method without parting line trace product according to claim 7, it is characterized in that, described stub bar is removed by shearing method, and described finished films is by divesting removal.
9. the preparation method of claim 7 prepare without parting line trace product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610098693.1A CN105563764A (en) | 2016-02-23 | 2016-02-23 | Die and product without parting line trace and manufacturing method of product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610098693.1A CN105563764A (en) | 2016-02-23 | 2016-02-23 | Die and product without parting line trace and manufacturing method of product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105563764A true CN105563764A (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610098693.1A Pending CN105563764A (en) | 2016-02-23 | 2016-02-23 | Die and product without parting line trace and manufacturing method of product |
Country Status (1)
| Country | Link |
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| CN (1) | CN105563764A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112570659A (en) * | 2020-10-23 | 2021-03-30 | 江苏新美星包装机械股份有限公司 | Mold splitting method for overturning guide rail |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5942940A (en) * | 1982-07-31 | 1984-03-09 | テ−エルヴエ−・エ−レンライヒ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフトウング・ウント・コンパニ−・コマンデイ−トゲゼルシヤフト | Die for injection molding |
| CN101564884A (en) * | 2009-06-05 | 2009-10-28 | 上海名盛汽车饰件有限公司 | Injection molding method for in-mold decoration |
| CN201456339U (en) * | 2009-06-26 | 2010-05-12 | 长沙浩润模具有限公司 | Injection mold |
| CN101733900A (en) * | 2008-11-21 | 2010-06-16 | 汉达精密电子(昆山)有限公司 | Positioning device for in mold decoration technique film |
| JP2013086342A (en) * | 2011-10-18 | 2013-05-13 | Toyota Motor East Japan Inc | Method of manufacturing film insert molded product and molding die of film insert molded product |
| CN103507204A (en) * | 2012-06-27 | 2014-01-15 | 比亚迪股份有限公司 | Molding method of injection molding element |
| CN104400966A (en) * | 2014-12-08 | 2015-03-11 | 昆山金利表面材料应用科技股份有限公司 | Dazzle-proof injection part mould and manufacturing method thereof |
| CN205439116U (en) * | 2016-02-23 | 2016-08-10 | 昆山峰实电子科技有限公司 | No die parting line vestige mould and product |
-
2016
- 2016-02-23 CN CN201610098693.1A patent/CN105563764A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5942940A (en) * | 1982-07-31 | 1984-03-09 | テ−エルヴエ−・エ−レンライヒ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフトウング・ウント・コンパニ−・コマンデイ−トゲゼルシヤフト | Die for injection molding |
| CN101733900A (en) * | 2008-11-21 | 2010-06-16 | 汉达精密电子(昆山)有限公司 | Positioning device for in mold decoration technique film |
| CN101564884A (en) * | 2009-06-05 | 2009-10-28 | 上海名盛汽车饰件有限公司 | Injection molding method for in-mold decoration |
| CN201456339U (en) * | 2009-06-26 | 2010-05-12 | 长沙浩润模具有限公司 | Injection mold |
| JP2013086342A (en) * | 2011-10-18 | 2013-05-13 | Toyota Motor East Japan Inc | Method of manufacturing film insert molded product and molding die of film insert molded product |
| CN103507204A (en) * | 2012-06-27 | 2014-01-15 | 比亚迪股份有限公司 | Molding method of injection molding element |
| CN104400966A (en) * | 2014-12-08 | 2015-03-11 | 昆山金利表面材料应用科技股份有限公司 | Dazzle-proof injection part mould and manufacturing method thereof |
| CN205439116U (en) * | 2016-02-23 | 2016-08-10 | 昆山峰实电子科技有限公司 | No die parting line vestige mould and product |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112570659A (en) * | 2020-10-23 | 2021-03-30 | 江苏新美星包装机械股份有限公司 | Mold splitting method for overturning guide rail |
| CN112570659B (en) * | 2020-10-23 | 2023-09-22 | 江苏新美星包装机械股份有限公司 | Parting method for overturning guide rail |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160511 |