CN105619699A - Embedding method for embedded part inside product - Google Patents
Embedding method for embedded part inside product Download PDFInfo
- Publication number
- CN105619699A CN105619699A CN201610168315.6A CN201610168315A CN105619699A CN 105619699 A CN105619699 A CN 105619699A CN 201610168315 A CN201610168315 A CN 201610168315A CN 105619699 A CN105619699 A CN 105619699A
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- CN
- China
- Prior art keywords
- built
- fitting
- product
- product mold
- injection moulding
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- 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.)
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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
- B29C45/14—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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides an embedding method for an embedded part inside a product. A lower concave cavity is formed in the lower portion of a product mold; firstly, a layer of materials is subject to injection molding or pouring on the outer portion of the embedded part in advance, and then the embedded part obtained after injection molding or pouring is placed in the concave cavity in the lower portion of the product mold; and finally, the materials are subject to injection molding or pouring in the product mold, and therefore the product with the embedded part is formed. The materials subject to injection molding or pouring on the outer portion of the embedded part in advance are the same with materials used by the product and also can be different from the materials used by the product; and after the embedded part obtained after injection molding or pouring is put into the concave cavity in the lower portion of the product mold, the wall thickness of the position, corresponding to the product mold, of the outer wall of the embedded part obtained after injection molding or pouring is smaller than or equal to four thirds of the wall thickness of other positions of the product mold but larger than or equal to two thirds of the wall thickness of the other positions of the product mold. The product, with the embedded part, molded through the method is smooth in surface, free of sink marks, attractive and durable.
Description
Technical field
The present invention relates to a kind of interiors of products built-in fitting embedding grammar, belong to Machining Technology field.
Background technology
When the shell of the products such as vehicle manufactures, often need to inlay built-in fitting in enclosure interior. Traditional method is as depicted in figs. 1 and 2, with a recessed die cavity of cylinder shape below the mould of product 2, during injection moulding, first built-in fitting 1 is positioned in the recessed die cavity of mould, again to injected plastic in mould or molten metal, plastics with built-in fitting required for formation or metal products.
This kind of method nut and product disposal molding are out, it is not necessary to follow-up connect with gluing, more convenient, and built-in fitting is firm. But there is obvious defect: product is obviously greater than other parts with boss face type part wall thickness, cause with the heat radiation of boss type face portion slower, speed of cooling is less than other parts, therefore with the easily shrinkage strain of boss type face portion surface, produces obvious shrink mark at product surface.
Summary of the invention
The technical problem to be solved in the present invention is when designing the product with built-in fitting, how to ensure the slipperiness of product surface.
In order to solve the problems of the technologies described above, the technical scheme of the present invention is to provide a kind of interiors of products built-in fitting embedding grammar, with the die cavity of a recessed type below product mold, it is characterised in that, step is:
Step 1: at the outside pre-injection moulding of built-in fitting or cast one layer of material;
Step 2: the chamber that the built-in fitting of injection moulding or cast is put into recessed type below product mold;
Step 3: injection moulding or casting material in product mold, the product with built-in fitting required for formation.
Preferably, the built-in fitting shape after described injection moulding or cast is identical with the cavity shape of type recessed below product mold, but recessed type die cavity below dimension ratio product mold is little.
Preferably, after built-in fitting after described injection moulding or cast puts into the die cavity of the recessed type below product mold, built-in fitting outer wall to the wall thickness of product corresponding position after injection moulding or cast is less than or equals 4/3rds of the wall thickness of other position of product, but is more than or equal to 2/3rds of the wall thickness of other position of product mold.
Preferably, in described step 1, the outside surface of injection moulding or cast is provided with vertical bar or the decorative pattern for preventing rotation.
Device provided by the invention overcomes the deficiencies in the prior art, it may also be useful to the product surface with built-in fitting that method provided by the invention is made is smooth, without shrink mark, both artistic and practical.
Accompanying drawing explanation
Fig. 1 is embedding built-in fitting schematic diagram in traditional product;
Fig. 2 is embedded part structure schematic diagram;
Fig. 3 is the rear structural representation of the injection moulding in advance of built-in fitting outside or cast;
Embedding built-in fitting schematic diagram in the product that Fig. 4 is offer in embodiment 1;
Embedding built-in fitting schematic diagram in the product that Fig. 5 is offer in embodiment 2;
Embedding built-in fitting schematic diagram in the product that Fig. 6 is offer in embodiment 3.
Embodiment
For making the present invention become apparent, hereby with several preferred embodiments, and accompanying drawing is coordinated to be described in detail below.
Embodiment 1
Embedding built-in fitting schematic diagram in the product that Fig. 4 provides for the present embodiment, with a recessed die cavity of cylinder shape below the mould of product 2, interiors of products built-in fitting embedding grammar step is as follows:
Step 1: at the injection moulding in advance of built-in fitting 1 outside or cast one layer of material, as shown in Figure 3, material and the product material therefor poured into a mould can be the same or different.
In Fig. 3, below the built-in fitting dimension ratio product mold after injection moulding or cast, recessed die cavity is little but important actor type that shape is identical with it. In actually operating, it is possible to adopt other shape as required.
In the present embodiment, the built-in fitting external wall of upper portion after injection moulding or cast equals the normal thickness c of other position of product to the distance a of product surface. Built-in fitting sidewall after injection moulding or cast is greater than 2/3rds of the normal thickness c of other position of product to the distance b of product surface.
Step 2: the built-in fitting after casting is put into the recessed die cavity of important actor type below product mold.
Step 3: material of casting in product mold, the product with built-in fitting required for formation.
In the present embodiment, product material can be metal, plastics etc., it may also be useful to the product surface with built-in fitting that the method that the present embodiment provides is made is smooth, without shrink mark, attractive and durable.
Embodiment 2
Embedding built-in fitting schematic diagram in the product that Fig. 5 provides for the present embodiment, the difference of the present embodiment and embodiment 1 is that the built-in fitting external wall of upper portion after casting is 2/3rds of the normal thickness c of other position of product mold to the distance a of wall on product mold.
The product surface with built-in fitting that the method using the present embodiment to provide is made is smooth, without shrink mark, attractive and durable.
Embodiment 3
Embedding built-in fitting schematic diagram in the product that Fig. 6 provides for the present embodiment, the difference of the present embodiment and embodiment 1 is that the built-in fitting external wall of upper portion after casting is 4/3rds of the normal thickness c of other position of product mold to the distance a of wall on product mold.
The product surface with built-in fitting that the method using the present embodiment to provide is made is smooth, without shrink mark, attractive and durable.
Claims (4)
1. an interiors of products built-in fitting embedding grammar, with a recessed die cavity below product mold, it is characterised in that, step is:
Step 1: at the outside pre-injection moulding of built-in fitting or cast one layer of material;
Step 2: the built-in fitting after injection moulding or cast is put into the recessed die cavity below mould;
Step 3: injection moulding or casting material in product mold, the product with built-in fitting required for formation.
2. interiors of products built-in fitting embedding grammar as claimed in claim 1 a kind of, it is characterised in that: the built-in fitting shape after described injection moulding or cast is identical with the cavity shape of type recessed below product mold, but recessed die cavity below dimension ratio product mold is little.
3. a kind of interiors of products built-in fitting embedding grammar as claimed in claim 1 or 2, it is characterized in that: after the built-in fitting after described injection moulding or cast puts into the die cavity of recessed type below product mold, built-in fitting outer wall to the wall thickness of product mold corresponding position after injection moulding or cast is less than or equals 4/3rds of the wall thickness of other position of product mold, but is more than or equal to 2/3rds of the wall thickness of other position of product mold.
4. a kind of interiors of products built-in fitting embedding grammar as claimed in claim 1, it is characterised in that: in described step 1, the outside surface of injection moulding or cast is provided with vertical bar or the decorative pattern for preventing rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610168315.6A CN105619699A (en) | 2016-03-23 | 2016-03-23 | Embedding method for embedded part inside product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610168315.6A CN105619699A (en) | 2016-03-23 | 2016-03-23 | Embedding method for embedded part inside product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105619699A true CN105619699A (en) | 2016-06-01 |
Family
ID=56035223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610168315.6A Pending CN105619699A (en) | 2016-03-23 | 2016-03-23 | Embedding method for embedded part inside product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105619699A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109395441A (en) * | 2018-11-27 | 2019-03-01 | 河南大张过滤设备有限公司 | A kind of quick injection molding filter plate and preparation method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004074495A (en) * | 2002-08-13 | 2004-03-11 | Japan Servo Co Ltd | Structure for controlling sink of thick wall part in injection molding |
| CN101622157A (en) * | 2007-03-14 | 2010-01-06 | 东海兴业株式会社 | Trim member, core member thereof, process for producing them, and apparatus therefor |
| CN104245269A (en) * | 2012-03-27 | 2014-12-24 | 路易斯·莫恩 | Moulding method |
| CN204398233U (en) * | 2015-01-14 | 2015-06-17 | 重庆平伟科技(集团)有限公司 | A kind of injection moulding nut inserts |
| CN204800906U (en) * | 2015-07-21 | 2015-11-25 | 宁波沥高复合材料有限公司 | Location built -in fitting that aerospace combined material mould was used |
| CN204955269U (en) * | 2015-09-21 | 2016-01-13 | 陶永亮 | There is not shrink trace injection moulding end cover part structure |
-
2016
- 2016-03-23 CN CN201610168315.6A patent/CN105619699A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004074495A (en) * | 2002-08-13 | 2004-03-11 | Japan Servo Co Ltd | Structure for controlling sink of thick wall part in injection molding |
| CN101622157A (en) * | 2007-03-14 | 2010-01-06 | 东海兴业株式会社 | Trim member, core member thereof, process for producing them, and apparatus therefor |
| CN104245269A (en) * | 2012-03-27 | 2014-12-24 | 路易斯·莫恩 | Moulding method |
| CN204398233U (en) * | 2015-01-14 | 2015-06-17 | 重庆平伟科技(集团)有限公司 | A kind of injection moulding nut inserts |
| CN204800906U (en) * | 2015-07-21 | 2015-11-25 | 宁波沥高复合材料有限公司 | Location built -in fitting that aerospace combined material mould was used |
| CN204955269U (en) * | 2015-09-21 | 2016-01-13 | 陶永亮 | There is not shrink trace injection moulding end cover part structure |
Non-Patent Citations (1)
| Title |
|---|
| 申开智: "《塑料成型模具 3版》", 31 March 2013, 中国轻工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109395441A (en) * | 2018-11-27 | 2019-03-01 | 河南大张过滤设备有限公司 | A kind of quick injection molding filter plate and preparation method |
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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: 20160601 |