CN108908807A - It is a kind of hot with mould method and mold production method - Google Patents
It is a kind of hot with mould method and mold production method Download PDFInfo
- Publication number
- CN108908807A CN108908807A CN201811063843.0A CN201811063843A CN108908807A CN 108908807 A CN108908807 A CN 108908807A CN 201811063843 A CN201811063843 A CN 201811063843A CN 108908807 A CN108908807 A CN 108908807A
- Authority
- CN
- China
- Prior art keywords
- mold
- default
- mold insert
- injection mold
- heat
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention provides a kind of heat to match mould method and mold production method, is related to technical field of mold.The default mold insert in injection mold is heated to preset temperature first, then injection mold is molded, is then opened and measures the deflection after default mold insert thermal expansion, finally the gap between injection mold and default mold insert is modified according to deflection.Compared with prior art, since heat of the present invention uses the step of default mold insert in injection mold is heated to preset temperature with mould method, so the environment temperature of mold in process of production can be simulated, and it is carried out at such a temperature with mould, sealing effect is good, with the product non-trimming produced after mould and burr, presentation quality is high.
Description
Technical field
The present invention relates to technical field of mold, in particular to a kind of heat matches mould method and mold production method.
Background technique
As people's living standard is continuously improved and industrial technology is constantly progressive, the application of plastic cement products is more and more wider
It is general, and people are higher and higher to the exterior quality requirement of plastic cement products.However, the exterior quality of plastic cement products largely takes
Certainly in the manufacture level of plastic mould.Matching mould mode at present is just to match mould after mold all assembles, this common with mould side
Method has following drawback：1, mold insert has gap, and leakproofness missing leads to problems such as product have overlap, burr, affects plastic cement products
Exterior quality；2, temperature changes in process of production for the dynamic model of mold and cover half, between causing the active and inactive mold of mold to occur
Gap, four serious overlaps in turning of parting line and product；3, the appearance and quality of product are affected and product processing success rate is low,
Increase manufacturing cost.
Summary of the invention
In view of this, the present invention is directed to propose a kind of heat can simulate the environment of mold in process of production with mould method
Temperature, and carried out at such a temperature with mould, sealing effect is good, and with the product non-trimming produced after mould and burr, presentation quality is high.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
It is a kind of hot with mould method, including：Default mold insert in injection mold is heated to preset temperature；To injection mold into
Row molding；It is opened and measures the deflection after default mold insert thermal expansion；According to deflection between injection mold and default mold insert
Gap be modified.
Further, presetting mold insert is mavable module core, fixed mold core or sliding block.
Further, the step of default mold insert in injection mold being heated to preset temperature include：By die heater and note
Mould connection；The heating agent of circulation is passed through to injection mold.
Further, in the step of default mold insert in injection mold being heated to preset temperature, preset temperature is at 40 degree
To in the range of 70 degree.
Further, preset temperature is 55 degree.
Further, the step of molding to injection mold include：The moving template of injection mold is fixedly installed in conjunction
One end of mould machine；The solid plate of injection mold is fixedly installed in the other end of clapper die spotting press；To moving template and determined using clapper die spotting press
Template is molded.
Further, it is opened and includes the step of measuring the deflection after default mold insert thermal expansion：It will be moved using clapper die spotting press
Template translates die sinking to the side far from solid plate；Deflection after the thermal expansion of default mold insert is measured.
Further, in the step of being measured to the deflection after the thermal expansion of default mold insert, using feeler gauge to deflection
It measures.
Further, in the step of being modified according to deflection to the gap between injection mold and default mold insert, benefit
Polishing processing is carried out to default mold insert with sander, to compensate to gap.
Compared with the existing technology, heat of the present invention has the advantage that with mould method：
Heat of the present invention matches mould method, the default mold insert in injection mold is heated to preset temperature first, then
Injection mold is molded, be then opened and measures the deflection after default mold insert thermal expansion, finally according to deflection to note
Gap between mould and default mold insert is modified.Compared with prior art, since heat of the present invention matches mould method
Using the step of default mold insert in injection mold is heated to preset temperature, so mold can be simulated in process of production
Environment temperature, and carried out at such a temperature with mould, sealing effect is good, with the product non-trimming produced after mould and burr, outside
Appearance quality is high.
Another object of the present invention is to propose a kind of mold production method, it includes heat can simulate mould with mould method
The environment temperature of tool in process of production, and carried out at such a temperature with mould, sealing effect is good, with the product produced after mould without winged
Side and burr, presentation quality is high, high yield rate, reduces manufacturing cost.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of mold production method matches mould method including above-mentioned heat, which includes with mould method：It will be in injection mold
Default mold insert is heated to preset temperature；Injection mold is molded；It is opened and measures the deflection after default mold insert thermal expansion；
The gap between injection mold and default mold insert is modified according to deflection.
Compared with the existing technology, mold production method of the present invention has the advantage that：
Mold production method of the present invention, it includes heat can simulate mold in process of production with mould method
Environment temperature, and carried out at such a temperature with mould, sealing effect is good, with the product non-trimming produced after mould and burr, appearance
Quality is high, high yield rate, reduces manufacturing cost.
With mould method, possessed advantage is identical compared with the existing technology with above-mentioned heat for the mold production method, herein not
It repeats again.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the step block diagram that heat described in first embodiment of the invention matches mould method；
Fig. 2 is the step block diagram of mold production method described in second embodiment of the invention.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
First embodiment
Please refer to Fig. 1, the embodiment of the invention provides it is a kind of heat match mould method, for machine-shaping cover half part and
Dynamic model part is cooperated for the first time, and corrects the gap between cover half part and dynamic model part.It can simulate mold and produce
Environment temperature in the process, and carried out at such a temperature with mould, sealing effect is good, with the product non-trimming produced after mould and hair
Thorn, presentation quality are high.
The heat includes the following steps with mould method：
Step S101：Default mold insert in injection mold is heated to preset temperature.
Specifically, preset temperature is the environment temperature of the injection mold in process of production.In the prior art, cover half portion
Divide and dynamic model part is carried out at normal temperature with mould, cover half part and dynamic model part cooperation are close, are warming up to after the completion with mould default
Temperature produce product, at this time since the mold insert in cover half part and dynamic model part is made of Steel material, thus cover half part and
Dynamic model part can thermally expand at an elevated temperature, cause the cooperation between cover half part and dynamic model part no longer tight
It is close, gap can be generated between mold and mold insert in it, molten plastic can be flowed out by the gap so that product generate overlap and
Burr.And in the present embodiment, carried out under preset temperature with mould so that in process of production cover half part and dynamic model part it
Between cooperation it is still close, the sealing effect between injection mold and default mold insert in it is good, product be not in overlap and
The phenomenon that burr.
It it should be noted that default mold insert is mold insert corresponding with product appearance forming surface in injection mold, or is note
In mould with molten plastic circulation it is poor, be not easy the corresponding mold insert in the position filled up, or be matching requirements in injection mold
More accurate mold insert, such as mavable module core, fixed mold core and sliding block.Specifically, default mold insert can be mavable module core, or cover half
Benevolence can also be sliding block；Default mold insert can be the combination of mavable module core and fixed mold core, be also possible to the group of mavable module core and sliding block
It closes, can also be the combination of fixed mold core and sliding block；Default mold insert can also be the combination of mavable module core, fixed mold core and sliding block three.
It is worth noting that, preset temperature is in the range of 40 degree to 70 degree, to simulate the production temperature of injection mold.This
In embodiment, preset temperature is 55 degree, it is not limited to this, preset temperature can be 40 degree, or 70 degree, to default
The size of temperature is not especially limited.
Specifically, step S101 includes two steps, respectively：
Step S1011：Die heater is connected to injection mold.
It is worth noting that, being provided with runner in default mold insert, one end of runner is connected to the inlet of injection mold, separately
One end is connected to the leakage fluid dram of injection mold.The liquid outlet of die heater and the inlet of injection mold connect, and die heater can lead to
It crosses liquid outlet and inlet and is passed through heating agent into default mold insert.The liquid return hole of die heater and the leakage fluid dram of injection mold connect, heat
Matchmaker can return in die heater simultaneously after flowing in default mold insert.
Step S1012：The heating agent of circulation is passed through to injection mold.
In the present embodiment, when needing to heat default mold insert, die heater is opened, die heater heats heating agent, heats
Heating agent afterwards respectively enters injection mold, and flows in default mold insert, transfers heat in default mold insert, to default edge
Part carries out heat temperature raising, and then the heating agent after heat loss is returned in die heater, and die heater heats heating agent again, Zhou Erfu
Begin, default mold insert is heated to preset temperature.
Step S102：Injection mold is molded.
Specifically, step S102 includes three steps, respectively：
Step S1021：The moving template of injection mold is fixedly installed in one end of clapper die spotting press.
Step S1022：The solid plate of injection mold is fixedly installed in the other end of clapper die spotting press.
Step S1023：Moving template and solid plate are molded using clapper die spotting press.
It should be noted that clapper die spotting press is a kind of mold bedding-in detection device of profession, it is mainly used for the Mold Making later period
Pressurization molding is carried out to upper and lower mould when bedding-in.In the present embodiment, moving template and solid plate are cooperated using clapper die spotting press, so that dynamic model
The mode in mode and solid plate in plate is bonded to each other shape forming cavity.
Step S103：It is opened and measures the deflection after default mold insert thermal expansion.
Specifically, step S103 includes three steps, respectively：
Step S1031：Moving template is translated into die sinking to the side far from solid plate using clapper die spotting press.
Step S1032：Deflection after the thermal expansion of default mold insert is measured.
It is worth noting that, in the present embodiment, being measured using feeler gauge to deflection, and record, after being convenient for
Phase processing amendment.
Step S104：The gap between injection mold and default mold insert is modified according to deflection.
It is worth noting that, pincers processing is carried out to default mold insert in step S104, to be compensated to gap, so that
Efficient sealing is kept between injection mold and default mold insert in it under preset temperature, gap will not be generated, to prevent
There is overlap and burr in product.In the present embodiment, polishing processing is carried out to default mold insert using sander, to improve default mold insert
Machining accuracy, prevent from generating gap between injection mold and default mold insert in it.
Heat described in the embodiment of the present invention matches mould method, and the default mold insert in injection mold is heated to default temperature first
Degree, then molds injection mold, is then opened and measures the deflection after default mold insert thermal expansion, finally according to deformation
Amount is modified the gap between injection mold and default mold insert.Compared with prior art, since heat of the present invention is matched
Mould method uses the step of default mold insert in injection mold is heated to preset temperature, is producing so mold can be simulated
Environment temperature in the process, and carried out at such a temperature with mould, sealing effect is good, with the product non-trimming produced after mould and hair
Thorn, presentation quality are high.
Second embodiment
Referring to figure 2., the embodiment of the invention provides a kind of mold production methods, are used for production mould.Mold production
Match mould method comprising heat in method.Wherein, heat matches the step of mould method and principle and the technical effect and first embodiment of generation
Identical, to briefly describe, the present embodiment part does not refer to place, can refer to corresponding contents in first embodiment.
The mold production method includes the following steps：
Step S201：Injection mould processing is formed.
Step S202：Default mold insert in injection mold is heated to preset temperature.
Step S203：Injection mold is molded.
Step S204：It is opened and measures the deflection after default mold insert thermal expansion.
Step S205：The gap between injection mold and default mold insert is modified according to deflection.
The beneficial effect of mold production method and the beneficial effect of first embodiment described in the embodiment of the present invention are identical,
This is repeated no more.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of heat matches mould method, which is characterized in that including：
Default mold insert in injection mold is heated to preset temperature；
The injection mold is molded；
It is opened and measures the deflection after the default mold insert thermal expansion；
The gap between the injection mold and the default mold insert is modified according to the deflection.
2. it is according to claim 1 heat match mould method, which is characterized in that the default mold insert be mavable module core, fixed mold core or
Person's sliding block.
3. heat according to claim 1 matches mould method, which is characterized in that the default mold insert by injection mold heats
Include to the step of preset temperature：
Die heater is connected to the injection mold；
The heating agent of circulation is passed through to the injection mold.
4. heat according to claim 1 matches mould method, which is characterized in that the default mold insert by injection mold heats
In the step of to preset temperature, the preset temperature is in the range of 40 degree to 70 degree.
5. heat according to claim 4 matches mould method, which is characterized in that the preset temperature is 55 degree.
6. heat according to claim 1 matches mould method, which is characterized in that the step molded to the injection mold
Suddenly include：
The moving template of the injection mold is fixedly installed in one end of clapper die spotting press；
The solid plate of the injection mold is fixedly installed in the other end of the clapper die spotting press；
The moving template and the solid plate are molded using the clapper die spotting press.
7. heat according to claim 6 matches mould method, which is characterized in that the die sinking and to measure the default mold insert heat swollen
The step of deflection after swollen includes：
The moving template is translated into die sinking to the side far from the solid plate using the clapper die spotting press；
Deflection after the default mold insert thermal expansion is measured.
8. heat according to claim 7 matches mould method, which is characterized in that the change to after the default mold insert thermal expansion
In the step of shape amount measures, the deflection is measured using feeler gauge.
9. it is according to claim 1 heat match mould method, which is characterized in that it is described according to the deflection to the injection mould
In the step of gap between tool and the default mold insert is modified, polishing is carried out to the default mold insert using sander and is added
Work, to be compensated to the gap.
10. a kind of mold production method, which is characterized in that match mould method including heat as described in any one of claim 1 to 9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810961226 | 2018-08-22 | ||
| CN2018109612266 | 2018-08-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108908807A true CN108908807A (en) | 2018-11-30 |
Family
ID=64408628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811063843.0A Pending CN108908807A (en) | 2018-08-22 | 2018-09-12 | It is a kind of hot with mould method and mold production method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108908807A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110561690A (en) * | 2019-08-22 | 2019-12-13 | 珠海格力精密模具有限公司 | Method, structure and equipment for eliminating thermal expansion gap of plastic mold |
| CN114516137A (en) * | 2020-11-19 | 2022-05-20 | 美的集团股份有限公司 | Design method of injection mold, injection molding method and injection mold |
| CN114750335A (en) * | 2022-06-13 | 2022-07-15 | 成都宝利根创科电子有限公司 | Processing method of plastic threaded product |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10109312A (en) * | 1996-10-03 | 1998-04-28 | Asahi Optical Co Ltd | Production of glass mold for glasses |
| CN102082319A (en) * | 2010-12-14 | 2011-06-01 | 西北工业大学 | Method for correcting moulding surface of forming mould for antenna cover |
| CN102240896A (en) * | 2010-05-12 | 2011-11-16 | 南通超达机械科技有限公司 | Processing technology of parting face of foaming mould for automobile interiors |
| CN102328444A (en) * | 2011-07-18 | 2012-01-25 | 国电联合动力技术(连云港)有限公司 | Repair process of fan blade mold |
| CN102500694A (en) * | 2011-10-28 | 2012-06-20 | 奇瑞汽车股份有限公司 | Die insert fixing structure |
| CN103955554A (en) * | 2014-03-24 | 2014-07-30 | 青岛鑫铁成汽车配件有限公司 | Method for processing mold by using reverse shape-correcting technology |
-
2018
- 2018-09-12 CN CN201811063843.0A patent/CN108908807A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10109312A (en) * | 1996-10-03 | 1998-04-28 | Asahi Optical Co Ltd | Production of glass mold for glasses |
| CN102240896A (en) * | 2010-05-12 | 2011-11-16 | 南通超达机械科技有限公司 | Processing technology of parting face of foaming mould for automobile interiors |
| CN102082319A (en) * | 2010-12-14 | 2011-06-01 | 西北工业大学 | Method for correcting moulding surface of forming mould for antenna cover |
| CN102328444A (en) * | 2011-07-18 | 2012-01-25 | 国电联合动力技术(连云港)有限公司 | Repair process of fan blade mold |
| CN102500694A (en) * | 2011-10-28 | 2012-06-20 | 奇瑞汽车股份有限公司 | Die insert fixing structure |
| CN103955554A (en) * | 2014-03-24 | 2014-07-30 | 青岛鑫铁成汽车配件有限公司 | Method for processing mold by using reverse shape-correcting technology |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110561690A (en) * | 2019-08-22 | 2019-12-13 | 珠海格力精密模具有限公司 | Method, structure and equipment for eliminating thermal expansion gap of plastic mold |
| CN114516137A (en) * | 2020-11-19 | 2022-05-20 | 美的集团股份有限公司 | Design method of injection mold, injection molding method and injection mold |
| CN114750335A (en) * | 2022-06-13 | 2022-07-15 | 成都宝利根创科电子有限公司 | Processing method of plastic threaded product |
| CN114750335B (en) * | 2022-06-13 | 2022-08-19 | 成都宝利根创科电子有限公司 | Processing method of plastic threaded product |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108908807A (en) | It is a kind of hot with mould method and mold production method | |
| CN102609052B (en) | Carbon fiber laptop shell, manufacturing method thereof and manufacturing tool for carbon fiber laptop shell | |
| ATE276089T1 (en) | DEVICE FOR SHAPING COMPOSITE ARTICLES | |
| CN105855819A (en) | Manufacturing method for conformal cooling channels in steel injection mold | |
| KR101824486B1 (en) | 3D rapid heating and cooling structures and the method of the mold | |
| CN203936262U (en) | A kind of for the sagging hot forming tool of profiles | |
| CN103568232B (en) | The rapid mould temperature variable injection mould that a kind of extraneous gas is auxiliary | |
| CN102922671A (en) | Resin transfer moulding mold and resin transfer moulding molding system | |
| CN104626469B (en) | A kind of Intelligent temperature control type thin wall type injection mold | |
| CN204451059U (en) | Needle valve hot flow passage system | |
| CN105729782B (en) | A kind of mold and its control method | |
| CN100398473C (en) | Model forming device and method for optical glass lens | |
| CN103042681A (en) | Hot press molding device and method thereof | |
| CN103331874B (en) | Hot runner system for three-layer stack mold | |
| CN209775414U (en) | Protective sleeve injection mold for automobile | |
| CN208277321U (en) | A kind of injection mold of energy rapid shaping | |
| CN207578930U (en) | The insert structure of injection mold | |
| CN107053565A (en) | A kind of high-end automotive upholstery and its preparation technology | |
| CN207449036U (en) | A kind of high gloss mold with heating and temperature-control structure | |
| CN103481459A (en) | Novel plastic injection mold | |
| CN209176057U (en) | A kind of injection mold of automobile instrument dial | |
| CN109383059A (en) | A kind of PU shoe mould injection molding production technology | |
| CN207140280U (en) | A kind of equipment for producing composite plastic product | |
| CN108973023B (en) | Injection mold | |
| CN209426058U (en) | A kind of injection mold |
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 |
Application publication date: 20181130 |
|
| RJ01 | Rejection of invention patent application after publication |