CN108437345A - A kind of plastic parts injection molding mosaic technology - Google Patents
A kind of plastic parts injection molding mosaic technology Download PDFInfo
- Publication number
- CN108437345A CN108437345A CN201810444147.8A CN201810444147A CN108437345A CN 108437345 A CN108437345 A CN 108437345A CN 201810444147 A CN201810444147 A CN 201810444147A CN 108437345 A CN108437345 A CN 108437345A
- Authority
- CN
- China
- Prior art keywords
- plastic parts
- inserts
- cavity
- molded
- plastic
- 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
- 239000004033 plastic Substances 0.000 title claims abstract description 55
- 229920003023 plastic Polymers 0.000 title claims abstract description 55
- 238000001746 injection moulding Methods 0.000 title claims abstract description 18
- 238000005516 engineering process Methods 0.000 title claims abstract description 16
- 238000002347 injection Methods 0.000 claims abstract description 13
- 239000007924 injection Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 13
- 239000002991 molded plastic Substances 0.000 claims abstract description 8
- 238000000465 moulding Methods 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 3
- 238000005422 blasting Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000008602 contraction Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
-
- 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
- B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
-
- 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
-
- 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
- B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
- B29C45/006—Joining parts moulded in separate cavities
- B29C2045/0067—Joining parts moulded in separate cavities interposing an insert between the parts to be assembled
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of plastic parts to be molded mosaic technology, including plastic parts is molded by individual injection mold, then carries out inlaying for inserts；Injection moulding plastic part：Plastic parts integral molded plastic is come out by individual mold integral molded plastic technique, inner cavity is wherein contained in plastic parts, the shape of the inner cavity is identical as the shape of inserts；Inserts is mounted in plastic parts, product overall structure consistency is strong, smooth in appearance, seamless combination between plastic parts and inserts, and the gap effectively prevented between conventional plastic parts and inserts is met customer need to reduce production cost.
Description
Technical field
The present invention relates to plastic parts processing and manufacturing technologies more particularly to a kind of plastic parts to be molded mosaic technology.
Background technology
Plastic parts is molded produced by insert molding technique, need to study the mobility of plastics, shrinking percentage, forming method, into glue point, note
Various contents such as plastic compression, the embedding technique in moulding injection molding, be primarily adapted for use in after before need special operation (such as
High temperature) product, the material of some special substances such as stainless steel is inlayed in its plastic part, it is desirable that plastic part is necessary with inserts
Seamless combination.Injection molding is inlayed with very extensive, but since inserts is embedded in plastic parts, this side of inlaying
Method will produce the defect on product, so as to cause the complication of forming plastic pieces technique, so that the amplification of production cost, example
Such as：Since injection molding is molded after being merged using upper die and lower die, so apparent suture can be left in appearance in product
Line requires some in appearance for high product, and there is an urgent need for overcome for this defect.
Invention content
To overcome disadvantages mentioned above, it is an object of the invention to put forward a kind of plastic part injection molding mosaic technology, the prior art is solved
The problem of middle plastic parts injection molding inserts leads to that apparent suture can be left in product appearance.
In order to reach object above, the technical solution adopted by the present invention is：A kind of plastic parts injection molding mosaic technology, including such as
Lower processing step：
(1) plastic parts is molded by individual injection mold, then carries out inlaying for inserts；
(2) injection moulding plastic part：Plastic parts integral molded plastic is come out by individual mold integral molded plastic technique,
Wherein contain inner cavity in plastic parts, the shape of the inner cavity is identical as the shape of inserts in step (1)；
(3) inserts is mounted in the plastic parts in step (2).
Further, the mold in the step (2) includes mould bases, front cavity, rear cavity, cavity and thimble, before described
Mode and rear cavity are oppositely arranged on the mould bases, and inserts cavity, front cavity and rear cavity are offered in the front cavity
After mold-closing injection again under the action of thimble, plastic parts is smoothly fully ejected.
Further, the mold shrinkage ranging from 0.005-0.015cm/cm, connection injection molding machine spray in the mold
One section of channel diameter of mouth to inserts cavity inwardly expands, and is in 2.5 ° or more of angle, and mold cavity surface is processed by shot blasting.
Further, inserts is mounted in plastic parts in the step (3) and is as follows:
(c) first inserts is put into the inner cavity in step (2), then molding injection becomes a monolithic article；
(d) the pre-heat treatment is carried out to inserts, in injection process the melt around inserts can cools down slower, shrinks
It is relatively uniform, it prevents from generating excessive internal stress around inserts.
Further, pressurize 10 seconds, pressure 60kg/cm are carried out in the step (a) after molding2, obtain injection molding and inlay
Body.
Further, the plastic parts mosaics obtained in the step (3) first stands 20 seconds in air, places into ice water
It in mixture, is completely immersed in 5 minutes, then takes out and place again and 2 minutes in air.
A kind of plastic parts provided by the invention is molded mosaic technology, and advantage is：Product overall structure consistency is strong,
Smooth in appearance, seamless combination between plastic parts and inserts have effectively prevented the gap between conventional plastic parts and inserts,
To reduce production cost, meet customer need.
Specific implementation mode
The preferred embodiments of the present invention will be described in detail below so that advantages and features of the invention can be easier to by
It will be appreciated by those skilled in the art that so as to make a clearer definition of the protection scope of the present invention.
A kind of plastic parts in the present embodiment is molded mosaic technology, comprises the technical steps that：
(1) plastic parts is molded by individual injection mold, then carries out inlaying for inserts；
(2) injection moulding plastic part：Plastic parts integral molded plastic is come out by individual mold integral molded plastic technique,
Wherein contain inner cavity in plastic parts, the shape of inner cavity is identical as the shape of inserts in step (1)；
(3) inserts is mounted in the plastic parts in step (2).
Mold in step (2) includes mould bases, front cavity, rear cavity, cavity and thimble, and front cavity and rear cavity are set relatively
It sets on mould bases, offers inserts cavity in front cavity, after front cavity and rear cavity mold-closing injection again under the action of thimble, modeling
Glue part is smoothly fully ejected.
Mold shrinkage ranging from 0.005-0.015cm/cm, connection injection molding machine nozzle is to the one of inserts cavity in mold
Section channel diameter inwardly expands, and is in 2.5 ° or more of angle, and mold cavity surface is processed by shot blasting.
Inserts is mounted in plastic parts in step (3) and is as follows:
(e) first inserts is put into the inner cavity in step (2), then molding injection becomes a monolithic article；
(f) the pre-heat treatment is carried out to inserts, in injection process the melt around inserts can cools down slower, shrinks
It is relatively uniform, it prevents from generating excessive internal stress around inserts.
Pressurize 10 seconds, pressure 60kg/cm are carried out in step (a) after molding2, obtain injection molding mosaics.
The plastic parts mosaics obtained in step (3) first stands 20 seconds in air, places into mixture of ice and water, completely
It immerses 5 minutes, then takes out and place again and 2 minutes in air.
The technical concepts and features of embodiment of above only to illustrate the invention, its object is to allow be familiar with technique
People understands present disclosure and is implemented, and it is not intended to limit the scope of the present invention, all according to spirit of that invention
The equivalent change or modification that essence is done should all cover within the scope of the present invention.
Claims (6)
1. a kind of plastic parts is molded mosaic technology, which is characterized in that comprise the technical steps that：
(1) plastic parts is molded by individual injection mold, then carries out inlaying for inserts；
(2) injection moulding plastic part：Plastic parts integral molded plastic is come out by individual mold integral molded plastic technique, wherein in plastic parts
Containing inner cavity, the shape of the inner cavity is identical as the shape of inserts in step (1)；
(3) inserts is mounted in the plastic parts in step (2).
2. a kind of plastic parts according to claim 1 is molded mosaic technology, it is characterised in that：Mould in the step (2)
Tool includes mould bases, front cavity, rear cavity, cavity and thimble, and the front cavity and rear cavity are oppositely arranged on the mould bases, institute
It states and offers inserts cavity in front cavity, after front cavity and rear cavity mold-closing injection again under the action of thimble, plastic parts is suitable
Profit fully ejects.
3. a kind of plastic parts according to claim 2 is molded mosaic technology, it is characterised in that：The mold shrinkage range
For 0.005-0.015cm/cm, one section of channel diameter of connection injection molding machine nozzle to inserts cavity inwardly expands in the mold
Greatly, it is in 2.5 ° or more of angle, mold cavity surface is processed by shot blasting.
4. a kind of plastic parts according to claim 1 is molded mosaic technology, it is characterised in that：It will edge in the step (3)
Inserts is mounted in plastic parts and is as follows:
(a) first inserts is put into the inner cavity in step (2), then molding injection becomes a monolithic article；
(b) the pre-heat treatment is carried out to inserts, in injection process the melt around inserts can cools down slower, contraction is compared
Uniformly, it prevents from generating excessive internal stress around inserts.
5. a kind of plastic parts according to claim 4 is molded mosaic technology, it is characterised in that：Molding in the step (a)
Pressurize 10 seconds, pressure 60kg/cm are carried out afterwards2, obtain injection molding mosaics.
6. a kind of plastic parts according to claim 1 is molded mosaic technology, it is characterised in that：It is obtained in the step (3)
Plastic parts mosaics first stand 20 seconds in air, place into mixture of ice and water, be completely immersed in 5 minutes, then take out again
It places and 2 minutes in air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810444147.8A CN108437345A (en) | 2018-05-10 | 2018-05-10 | A kind of plastic parts injection molding mosaic technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810444147.8A CN108437345A (en) | 2018-05-10 | 2018-05-10 | A kind of plastic parts injection molding mosaic technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108437345A true CN108437345A (en) | 2018-08-24 |
Family
ID=63203400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810444147.8A Pending CN108437345A (en) | 2018-05-10 | 2018-05-10 | A kind of plastic parts injection molding mosaic technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108437345A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115256830A (en) * | 2022-08-04 | 2022-11-01 | 东莞市英博五金制品有限公司 | A toy making injection molding process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202367902U (en) * | 2011-09-26 | 2012-08-08 | 傅其峰 | Plastic melted inlay product |
| CN106476206A (en) * | 2015-08-24 | 2017-03-08 | 麟玮精密汽车配件（昆山）有限公司 | A kind of injection molding insert technique |
| CN107696408A (en) * | 2017-10-24 | 2018-02-16 | 福州大学 | Efficiently injection molding of the production with metal insert plastic |
-
2018
- 2018-05-10 CN CN201810444147.8A patent/CN108437345A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202367902U (en) * | 2011-09-26 | 2012-08-08 | 傅其峰 | Plastic melted inlay product |
| CN106476206A (en) * | 2015-08-24 | 2017-03-08 | 麟玮精密汽车配件（昆山）有限公司 | A kind of injection molding insert technique |
| CN107696408A (en) * | 2017-10-24 | 2018-02-16 | 福州大学 | Efficiently injection molding of the production with metal insert plastic |
Non-Patent Citations (2)
| Title |
|---|
| 卞军 蔺海兰: "《塑料成型原理及工艺》", 31 August 2015, 西南交通大学出版社 * |
| 黄晓燕: "《塑料成型工艺及模具设计技术问答》", 31 January 2007, 上海科学技术出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115256830A (en) * | 2022-08-04 | 2022-11-01 | 东莞市英博五金制品有限公司 | A toy making injection molding process |
| CN115256830B (en) * | 2022-08-04 | 2025-01-21 | 东莞市英博五金制品有限公司 | A toy making injection molding process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for 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: 20180824 |