CN103934954A - Structure for preventing soft plastic appearance from being pulled to be sunken - Google Patents

Structure for preventing soft plastic appearance from being pulled to be sunken Download PDF

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Publication number
CN103934954A
CN103934954A CN201310020833.XA CN201310020833A CN103934954A CN 103934954 A CN103934954 A CN 103934954A CN 201310020833 A CN201310020833 A CN 201310020833A CN 103934954 A CN103934954 A CN 103934954A
Authority
CN
China
Prior art keywords
flexible glue
appearance
contact
product
making surface
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
Application number
CN201310020833.XA
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Chinese (zh)
Inventor
张永波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitac Precision Technology Kunshan Ltd
Original Assignee
Mitac Precision Technology Kunshan Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitac Precision Technology Kunshan Ltd filed Critical Mitac Precision Technology Kunshan Ltd
Priority to CN201310020833.XA priority Critical patent/CN103934954A/en
Publication of CN103934954A publication Critical patent/CN103934954A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16Making multilayered or multicoloured articles
    • B29C45/1615The materials being injected at different moulding stations
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/1613Constructional details or arrangements for portable computers
    • G06F1/1628Carrying enclosures containing additional elements, e.g. case for a laptop and a printer

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

A structure for preventing soft plastic appearance from being pulled to be sunken is applied to a forming overmold product, and the inner side of the product is a non-appearance surface. The structure for preventing the soft plastic appearance from being pulled to be sunken comprises hard plastic and soft plastic, wherein the hard plastic comprises a hard plastic body and a plurality of flash grooves formed from the hard plastic body surface to the hard plastic body, the flash grooves are positioned in the non-appearance surface at the inner side of the product, the soft plastic comprises a soft plastic body and an extension part protruding from the soft plastic body surface, the soft plastic body surface is in contact with the hard plastic body surface, the extension part is inserted into the flash grooves in a matched way, the flash grooves are positioned on the non-appearance surface at the inner side of the product, and a soft plastic inlet point is positioned at the lower end of the extension part. The structure for preventing the soft plastic appearance from being pulled to be sunken, disclosed by the invention, is applicable for a non-appearance part at the inner side of the product, is simple and is convenient to process, and product appearance can be better prevented from being pulled to be sunken.

Description

Prevent that flexible glue outward appearance from drawing sunk structure
[technical field]
The present invention relates to a kind of injection structure, be specifically related to one and prevent that flexible glue outward appearance from drawing sunk structure.
[background technology]
The quadric injection mould of flexible glue (referring generally to thermoplastic elastomer (TPE)) and ebonite (referring generally to thermoplastic) not only can make the surface of some products be full of soft feeling, can also increase attractive in appearance, the functional and added value of product.Refer to Fig. 1 and Fig. 2 illustrates, product 10 comprises ebonite 11 and is molded over the flexible glue 12 on ebonite 11, general flexible glue 12 enter glue point 13 be all placed on flexible glue 12 under, owing to being that ox horn enters glue, enter and when glue point and product 10 come off, have the strength of mutually pullling, especially thermoplastic elastomer (TPE), deflection is large, pulls power just larger.When in moulding, flexible glue 12 is also incomplete cooling, and the stub bar in a flash of die sinking will draw depression flexible glue 12, thereby has had influence on the appearance of product 10, and then does not reach expected effect.
In view of this, be in fact necessary to provide one to prevent that flexible glue outward appearance from drawing sunk structure, above-mentioned because flexible glue deflection is large to solve, produce flexible glue and draw the phenomenon of depression.
[summary of the invention]
Therefore, the invention provides one and prevent that flexible glue outward appearance from drawing sunk structure, to solve the phenomenon of the easy-to-draw depression of flexible glue.
In order to achieve the above object, provided by the inventionly prevent that flexible glue outward appearance from drawing sunk structure, it is applied to moulding double color mould product, and the inner side of this product is non-appearance, and this prevents that flexible glue outward appearance from drawing sunk structure to comprise:
Ebonite, it comprise ebonite body and certainly this ebonite body surface offer some flash grooves to this ebonite body;
Flexible glue, it comprises flexible glue body and the extension that this flexible glue body surface protrudes out certainly, the surface of ebonite body described in the Surface Contact of described flexible glue body, described extension coordinates and inserts in described flash groove;
It is characterized in that, described flash groove is positioned at inside described product in non-appearance, and described flexible glue enters glue point and be positioned at the lower end of described extension.
Preferably, described flexible glue body and described extension are integrated.
Preferably, described flash groove is the groove being surrounded by the first contact-making surface, the second contact-making surface and the 3rd contact-making surface, and described the first contact-making surface is relative with described the second contact-making surface, and described the 3rd contact-making surface connects described the first contact-making surface and the second contact-making surface.
Preferably, described in, prevent that flexible glue outward appearance from drawing sunk structure is notebook computer screen housing.
Compared to prior art, the present invention prevents that flexible glue outward appearance from drawing sunk structure, offers flash groove by the non-appearance of penetrating ebonite part at double color mould product first, and second while penetrating flexible glue, lower end at described flash groove starts into glue, thereby described flexible glue is incorporated in flash groove.In the time of die sinking, ox horn stub bar be molded in flash groove flexible glue part and start to depart from, owing to entering the non-appearance of glue point at product, even draw depression also can not affect the outward appearance of product the flexible glue in flash groove.
Of the present inventionly prevent that flexible glue outward appearance from drawing sunk structure to be applicable to non-appearance member inside product, simple in structure, easy to process, can well avoid product appearance to draw the phenomenon of depression.
[brief description of the drawings]
Fig. 1 illustrates the perspective view into prior art products.
Fig. 2 illustrate into the A-A of Fig. 1 to cutaway view.
Fig. 3 illustrates as the present invention prevents outward appearance and draws the perspective view of sunk structure.
Fig. 4 illustrate into the B-B of Fig. 3 to cutaway view.
[detailed description of the invention]
Below in conjunction with accompanying drawing, the specific embodiment of the invention is described in detail.
Refer to Fig. 3 and Fig. 4 illustrates, the present invention prevents that flexible glue outward appearance from drawing sunk structure, and it is applied to moulding double color mould product 100, and the inner side of this product 100 is non-appearance, and this product 100 is notebook computer housing, and this prevents that flexible glue outward appearance from drawing sunk structure to comprise:
Ebonite 1, it comprise ebonite body 11 and certainly the surface of this ebonite body 11 offer some flash grooves 12 to this ebonite body 11, described flash groove 12 is positioned in the described product 100 non-appearance in inner side, described flash groove is the groove being surrounded by the first contact-making surface 121, the second contact-making surface 122 and the 3rd contact-making surface 123, described the first contact-making surface 121 is relative with described the second contact-making surface 122, and described the 3rd contact-making surface 123 connects described the first contact-making surface 121 and the second contact-making surface 122;
Flexible glue 2, it comprises flexible glue body 21 and the extension 22 that the surface of this flexible glue body 21 protrudes out certainly, the surface of ebonite body 11 described in the Surface Contact of described flexible glue body 21, described extension 22 coordinates in the described flash groove of insertion, described flexible glue body 21 is integrated with described extension 22, the lower end of entering glue point 23 and be positioned at described extension 22 of described flexible glue 2.
When double-color mold injecting products 100, cavity forming injected by ebonite 1 by the first nozzle, in the non-appearance of ebonite 1 corresponding product 100, forms some flash grooves.When after die sinking for the first time, by matched moulds after mould Rotate 180 degree, enter in glue at ox horn, will enter glue point 23 and be located at the lower end of flash groove, the second nozzle is injected flexible glue 2 in die cavity by entering glue point 23.When die sinking for the second time, ox horn stub bar 3 starts to depart from the flexible glue 2 being molded in described flash groove, owing to entering glue point 23 in the non-appearance of product 100, even draw depression also can not affect the outward appearance of product 100 flexible glue in flash groove 2.
Of the present inventionly prevent that flexible glue outward appearance from drawing sunk structure to be applicable to non-appearance member inside product, simple in structure, easy to process, can well avoid product appearance to draw the phenomenon of depression.
Be pointed out that, the invention is not restricted to above-mentioned embodiment, any simple modification, equivalent variations and modification that any those skilled in the art do above-described embodiment based on technical solution of the present invention, all fall within the scope of protection of the present invention.

Claims (4)

1. prevent that flexible glue outward appearance from drawing a sunk structure, it is applied to moulding double color mould product, and the inner side of this product is non-appearance, and this prevents that flexible glue outward appearance from drawing sunk structure to comprise:
Ebonite, it comprise ebonite body and certainly this ebonite body surface offer some flash grooves to this ebonite body;
Flexible glue, it comprises flexible glue body and the extension that this flexible glue body surface protrudes out certainly, the surface of ebonite body described in the Surface Contact of described flexible glue body, described extension coordinates and inserts in described flash groove;
It is characterized in that, described flash groove is positioned at inside described product in non-appearance, and described flexible glue enters glue point and be positioned at the lower end of described extension.
2. according to claim 1ly prevent that flexible glue outward appearance from drawing sunk structure, it is characterized in that, described flexible glue body and described extension are integrated.
3. according to claim 1ly prevent that flexible glue outward appearance from drawing sunk structure, it is characterized in that, described flash groove is the groove being surrounded by the first contact-making surface, the second contact-making surface and the 3rd contact-making surface, described the first contact-making surface is relative with described the second contact-making surface, and described the 3rd contact-making surface connects described the first contact-making surface and the second contact-making surface.
4. according to claim 1ly prevent that flexible glue outward appearance from drawing sunk structure, it is characterized in that, described in prevent that flexible glue outward appearance from drawing sunk structure is notebook computer screen housing.
CN201310020833.XA 2013-01-21 2013-01-21 Structure for preventing soft plastic appearance from being pulled to be sunken Pending CN103934954A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310020833.XA CN103934954A (en) 2013-01-21 2013-01-21 Structure for preventing soft plastic appearance from being pulled to be sunken

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310020833.XA CN103934954A (en) 2013-01-21 2013-01-21 Structure for preventing soft plastic appearance from being pulled to be sunken

Publications (1)

Publication Number Publication Date
CN103934954A true CN103934954A (en) 2014-07-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310020833.XA Pending CN103934954A (en) 2013-01-21 2013-01-21 Structure for preventing soft plastic appearance from being pulled to be sunken

Country Status (1)

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CN (1) CN103934954A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105984076A (en) * 2015-03-04 2016-10-05 希姆通信息技术(上海)有限公司 Double-shot injection moulding shell and injection mold

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009113466A (en) * 2007-10-16 2009-05-28 Key Tranding Co Ltd Production process of two-color molding, two color-molding made thereby and tester with color sample using the same
CN202264360U (en) * 2011-09-06 2012-06-06 上海龙洲塑料模具有限公司 Concealed feed inlet of soft and hard plastic injection molds for double-colored injection molding machine
CN203092914U (en) * 2013-01-21 2013-07-31 汉达精密电子(昆山)有限公司 Structure for preventing pulling depression of flexible glue appearance

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009113466A (en) * 2007-10-16 2009-05-28 Key Tranding Co Ltd Production process of two-color molding, two color-molding made thereby and tester with color sample using the same
CN202264360U (en) * 2011-09-06 2012-06-06 上海龙洲塑料模具有限公司 Concealed feed inlet of soft and hard plastic injection molds for double-colored injection molding machine
CN203092914U (en) * 2013-01-21 2013-07-31 汉达精密电子(昆山)有限公司 Structure for preventing pulling depression of flexible glue appearance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105984076A (en) * 2015-03-04 2016-10-05 希姆通信息技术(上海)有限公司 Double-shot injection moulding shell and injection mold

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Application publication date: 20140723

RJ01 Rejection of invention patent application after publication