CN107443658A - A kind of injection molding technique of multistage shaping - Google Patents
A kind of injection molding technique of multistage shaping Download PDFInfo
- Publication number
- CN107443658A CN107443658A CN201710620913.7A CN201710620913A CN107443658A CN 107443658 A CN107443658 A CN 107443658A CN 201710620913 A CN201710620913 A CN 201710620913A CN 107443658 A CN107443658 A CN 107443658A
- Authority
- CN
- China
- Prior art keywords
- injection
- mould
- plastic material
- melting
- die cavity
- 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
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000001746 injection moulding Methods 0.000 title claims abstract description 14
- 238000007493 shaping process Methods 0.000 title claims abstract description 13
- 238000002347 injection Methods 0.000 claims abstract description 100
- 239000007924 injection Substances 0.000 claims abstract description 100
- 239000004033 plastic Substances 0.000 claims abstract description 28
- 229920003023 plastic Polymers 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 21
- 238000002844 melting Methods 0.000 claims abstract description 20
- 230000008018 melting Effects 0.000 claims abstract description 20
- 230000011218 segmentation Effects 0.000 claims abstract description 5
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 239000000853 adhesive Substances 0.000 claims description 11
- 230000001070 adhesive effect Effects 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic 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
- B29C45/14—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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
-
- 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
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76498—Pressure
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76531—Temperature
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76595—Velocity
- B29C2945/76598—Velocity linear movement
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of multistage shaping injection molding technique, first, select mould：According to the profile of the product selection suitable mould of die cavity, matched moulds is put into injection machine after mold cleaning；Second, select inserts：Corresponding inserts is selected according to product structure, inserts by the location structure on mould be placed in the master mold specified；3rd, parameter designing：According to the geometry of die cavity, the number of stages of segmentation injection is calculated, while and design the injection parameterses value of every section of injection；4th, multistage injection：Injection machine injects the plastic material of melting into mould, and the plastic material of melting is injected into the inlet flow channel mouth formation first paragraph injection of mould；The cast gate that enters that the plastic material of melting flows into mould forms second segment injection；The plastic material of melting flows into mould product die cavity 90% and forms the 3rd section of injection；The plastic material of melting flows into mould product die cavity remainder and forms four sections of injections；5th, it is cooled and shaped；6th, equipment die sinking.
Description
Technical field
The present invention relates to a kind of injection molding process, particularly a kind of router cover forming method.
Background technology
Injection machine also known as injection (mo(u)lding) machine or injector, it is that thermoplastic or thermosetting plastics are utilized into plastic shaping
The main former of variously-shaped plastic products is made in mould, is divided into vertical, horizontal, all electric, injection function heating modeling
Material, high pressure is applied to molten plastic, it is projected and is full of mold cavity.Generally, Shooting Technique refers to such one kind
Technique, it first has to prepare to need the plastic substance moulded, such as plastics is plastified, then noted the plastics plasticated
Enter in the die cavity of injection mold, after plastics are hardened, it is possible to obtain desired injection module.
The content of the invention
The present invention solves the technical problem of a kind of injection molding technique of multistage shaping is provided, it is molded using segmentation
Method, can effectively improve injection quality.
In order to solve the above technical problems, one aspect of the present invention is：A kind of injection of multistage shaping is provided
Processing technology, it includes：
First, select mould：According to the profile of the product selection suitable mould of die cavity, matched moulds is put into injection machine after mold cleaning
It is interior；
Second, select inserts：Corresponding inserts is selected according to product structure, inserts is laid by the location structure on mould
In specified master mold；
3rd, parameter designing：According to the geometry of die cavity, the number of stages of segmentation injection is calculated, while and design every section
The injection parameterses value of injection；
4th, multistage injection：Injection machine injects the plastic material of melting into mould, and the plastic material of melting is injected into mould
Inlet flow channel mouth forms first paragraph injection；The cast gate that enters that the plastic material of melting flows into mould forms second segment injection；Melting
Plastic material flows into mould product die cavity 90% and forms the 3rd section of injection；It is remaining that the plastic material of melting flows into mould product die cavity
Part forms four sections of injections；
5th, it is cooled and shaped：According to product size and THICKNESS CALCULATION cool time, finished product is stood and cooled down；
6th, equipment die sinking：Mould is separated according to draft angle, it is injection-molded finished to be ejected.
Preferably, the injection of first paragraph injection is low speed injection, and its injection rate is 0.6 ~ 0.8cm/s, injection pressure
For 80 ~ 110bar, melt adhesive temperature is 180 ~ 200 DEG C.
Preferably, the injection of second segment injection is middling speed injection, and its injection rate is 0.8 ~ 1.0cm/s, injection pressure
For 100 ~ 130bar, melt adhesive temperature is 180 ~ 200 DEG C.
Preferably, the injection of the 3rd section of injection is high speed injection motding, and its injection rate is 1.0 ~ 1.2cm/s, injection pressure
For 120 ~ 150bar, melt adhesive temperature is 200 ~ 220 DEG C.
Preferably, the injection of the 4th section of injection is low speed injection, and its injection rate is 0.6 ~ 0.8cm/s, injection pressure
For 80 ~ 110bar, melt adhesive temperature is 180 ~ 200 DEG C.
The beneficial effects of the invention are as follows：A kind of injection molding technique of multistage shaping is provided, by sectional injection-moulding side
Method so that the plastic cement quality of product injection molding is more prominent, so as to make product have higher flexibility, can absorb outer
The strength that portion comes, ensure that product function is stable.
Embodiment
Presently preferred embodiments of the present invention is 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 apparent clearly defined so as to be made to protection scope of the present invention.
The embodiment of the present invention includes：A kind of injection molding technique of multistage shaping, its step include：
First, select mould：According to the profile of the product selection suitable mould of die cavity, matched moulds is put into injection machine after mold cleaning
It is interior；
Second, select inserts：Corresponding inserts is selected according to product structure, inserts is laid by the location structure on mould
In specified master mold；
3rd, parameter designing：According to the geometry of die cavity, the number of stages of segmentation injection is calculated, while and design every section
The injection parameterses value of injection；
4th, multistage injection：Injection machine injects the plastic material of melting into mould, and the plastic material of melting is injected into mould
Inlet flow channel mouth forms first paragraph injection；The injection of first paragraph injection is molded for low speed, and its injection rate is 0.6 ~ 0.8cm/s,
Injection pressure is 80 ~ 110bar, and melt adhesive temperature is 180 ~ 200 DEG C.The cast gate that enters that the plastic material of melting flows into mould forms the
Two sections of injections；The injection of second segment injection is molded for middling speed, and its injection rate is 0.8 ~ 1.0cm/s, injection pressure for 100 ~
130bar, melt adhesive temperature are 180 ~ 200 DEG C.The plastic material of melting flows into mould product die cavity 90% and forms the 3rd section of injection；The
The injections of three sections of injections are high speed injection motding, and its injection rate is 1.0 ~ 1.2cm/s, and injection pressure is 120 ~ 150bar, melten gel temperature
Spend for 200 ~ 220 DEG C.The plastic material of melting flows into mould product die cavity remainder and forms four sections of injections；4th section injection
Inject and be molded for low speed, its injection rate is 0.6 ~ 0.8cm/s, and injection pressure is 80 ~ 110bar, and melt adhesive temperature is 180 ~ 200
℃。
5th, it is cooled and shaped：According to product size and THICKNESS CALCULATION cool time, finished product is stood into 180s coolings；
6th, equipment die sinking：Mould is separated according to draft angle, it is injection-molded finished to be ejected.
According to above-mentioned processing step, the design parameter of its design of the other embodiment 1 ~ 6 of this programme use is as shown in the table：
Because the die cavity relatively depth and wall of product are again relatively thin, so making mold cavity form long and narrow runner, melt flows through this
Must be very quickly by the way that otherwise easy cooled and solidified, can cause melt to be not fully filled whole die cavity, so when injection during individual position
During product die cavity on mould, high speed injection should be used, although too high flow velocity can bring very big kinetic energy to melt, but
Energy loss and overflow edge phenomenon can be caused when being melt flow channel die edge, so should be lowerd when full die cavity is soon filled
Inject speed.So high speed injection is selected in 90% volume of die cavity, and remaining 10% volume will use injection at low velocity, this
Sample could improve the quality of product, prevent the outlet of substandard products.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and be carried out, and it is not intended to limit the scope of the present invention, all according to the present invention
The equivalent change or modification that Spirit Essence is made, it should all cover within the scope of the present invention.
Claims (5)
- A kind of 1. injection molding technique of multistage shaping, it is characterised in that：Its step includes：First, select mould：According to the profile of the product selection suitable mould of die cavity, matched moulds is put into injection machine after mold cleaning It is interior；Second, select inserts：Corresponding inserts is selected according to product structure, inserts is laid by the location structure on mould In specified master mold；3rd, parameter designing：According to the geometry of die cavity, the number of stages of segmentation injection is calculated, while and design every section The injection parameterses value of injection；4th, multistage injection：Injection machine injects the plastic material of melting into mould, and the plastic material of melting is injected into mould Inlet flow channel mouth forms first paragraph injection；The cast gate that enters that the plastic material of melting flows into mould forms second segment injection；Melting Plastic material flows into mould product die cavity 90% and forms the 3rd section of injection；It is remaining that the plastic material of melting flows into mould product die cavity Part forms four sections of injections；5th, it is cooled and shaped：According to product size and THICKNESS CALCULATION cool time, finished product is stood and cooled down；6th, equipment die sinking：Mould is separated according to draft angle, it is injection-molded finished to be ejected.
- A kind of 2. injection molding technique of multistage shaping according to claim 1, it is characterised in that：First paragraph injection Inject and be molded for low speed, its injection rate is 0.6 ~ 0.8cm/s, and injection pressure is 80 ~ 110bar, and melt adhesive temperature is 180 ~ 200 ℃。
- A kind of 3. injection molding technique of multistage shaping according to claim 1, it is characterised in that：Second segment injection Inject and be molded for middling speed, its injection rate is 0.8 ~ 1.0cm/s, and injection pressure is 100 ~ 130bar, and melt adhesive temperature is 180 ~ 200 ℃。
- A kind of 4. injection molding technique of multistage shaping according to claim 1, it is characterised in that：3rd section injection It is 1.0 ~ 1.2cm/s to inject as high speed injection motding, its injection rate, and injection pressure is 120 ~ 150bar, and melt adhesive temperature is 200 ~ 220 ℃。
- A kind of 5. injection molding technique of multistage shaping according to claim 1, it is characterised in that：4th section injection Inject and be molded for low speed, its injection rate is 0.6 ~ 0.8cm/s, and injection pressure is 80 ~ 110bar, and melt adhesive temperature is 180 ~ 200 ℃。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710620913.7A CN107443658A (en) | 2017-07-27 | 2017-07-27 | A kind of injection molding technique of multistage shaping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710620913.7A CN107443658A (en) | 2017-07-27 | 2017-07-27 | A kind of injection molding technique of multistage shaping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107443658A true CN107443658A (en) | 2017-12-08 |
Family
ID=60489211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710620913.7A Pending CN107443658A (en) | 2017-07-27 | 2017-07-27 | A kind of injection molding technique of multistage shaping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107443658A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108715018A (en) * | 2018-06-12 | 2018-10-30 | 上海均诺汽车零部件有限公司 | Automobile atmosphere lamp optical conductor Shooting Technique |
| CN109483799A (en) * | 2018-11-19 | 2019-03-19 | 长春超维科技产业有限责任公司 | The injection moulding process of imitative woven pattern inner and outer decorative parts of automobile |
| CN113752467A (en) * | 2021-10-22 | 2021-12-07 | 宁波均胜汽车安全系统有限公司 | A lock tongue forming method and its injection molding machine |
| CN113997587A (en) * | 2021-09-29 | 2022-02-01 | 长春方圆汽车零部件有限公司 | Production process flow of upper guard plates of front and rear doors of automobile |
| CN114248390A (en) * | 2021-11-17 | 2022-03-29 | 遵义群建塑胶制品有限公司 | Injection molding processing technology of refrigerator freezing drawer |
| CN116038999A (en) * | 2022-12-15 | 2023-05-02 | 昆山爱迪曼智能科技有限公司 | Injection molding process of medical reagent rapid diagnosis plate injection molding process |
| CN116040129A (en) * | 2022-07-11 | 2023-05-02 | 常州市派菲特塑业有限公司 | Separated wet tissue box and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934951A (en) * | 2014-04-03 | 2014-07-23 | 苏州益群模具有限公司 | Injection molding process for car bumpers |
-
2017
- 2017-07-27 CN CN201710620913.7A patent/CN107443658A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934951A (en) * | 2014-04-03 | 2014-07-23 | 苏州益群模具有限公司 | Injection molding process for car bumpers |
Non-Patent Citations (2)
| Title |
|---|
| 梁锦雄: "《注塑技术培训教程》", 30 June 2009, 机械工业出版社 * |
| 赵志龙等: "《现代注塑模具设计实用技术手册》", 31 January 2013, 机械工业出版社 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108715018A (en) * | 2018-06-12 | 2018-10-30 | 上海均诺汽车零部件有限公司 | Automobile atmosphere lamp optical conductor Shooting Technique |
| CN109483799A (en) * | 2018-11-19 | 2019-03-19 | 长春超维科技产业有限责任公司 | The injection moulding process of imitative woven pattern inner and outer decorative parts of automobile |
| CN113997587A (en) * | 2021-09-29 | 2022-02-01 | 长春方圆汽车零部件有限公司 | Production process flow of upper guard plates of front and rear doors of automobile |
| CN113752467A (en) * | 2021-10-22 | 2021-12-07 | 宁波均胜汽车安全系统有限公司 | A lock tongue forming method and its injection molding machine |
| CN114248390A (en) * | 2021-11-17 | 2022-03-29 | 遵义群建塑胶制品有限公司 | Injection molding processing technology of refrigerator freezing drawer |
| CN116040129A (en) * | 2022-07-11 | 2023-05-02 | 常州市派菲特塑业有限公司 | Separated wet tissue box and preparation method thereof |
| CN116038999A (en) * | 2022-12-15 | 2023-05-02 | 昆山爱迪曼智能科技有限公司 | Injection molding process of medical reagent rapid diagnosis plate injection molding process |
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|---|---|---|---|
| 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: 20171208 |